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-rwxr-xr-xwqflask/wqflask/static/packages/novus-nvd3-d51729c/lib/cie.js155
-rwxr-xr-xwqflask/wqflask/static/packages/novus-nvd3-d51729c/lib/colorbrewer.js302
-rwxr-xr-xwqflask/wqflask/static/packages/novus-nvd3-d51729c/lib/crossfilter.js1180
-rwxr-xr-xwqflask/wqflask/static/packages/novus-nvd3-d51729c/lib/crossfilter.min.js1
-rwxr-xr-xwqflask/wqflask/static/packages/novus-nvd3-d51729c/lib/d3.v2.js7033
-rwxr-xr-xwqflask/wqflask/static/packages/novus-nvd3-d51729c/lib/d3.v2.min.js4
-rwxr-xr-xwqflask/wqflask/static/packages/novus-nvd3-d51729c/lib/d3.v3.js8436
-rwxr-xr-xwqflask/wqflask/static/packages/novus-nvd3-d51729c/lib/fisheye.js86
-rwxr-xr-xwqflask/wqflask/static/packages/novus-nvd3-d51729c/lib/hive.js80
-rwxr-xr-xwqflask/wqflask/static/packages/novus-nvd3-d51729c/lib/horizon.js192
-rwxr-xr-xwqflask/wqflask/static/packages/novus-nvd3-d51729c/lib/sankey.js292
11 files changed, 17761 insertions, 0 deletions
diff --git a/wqflask/wqflask/static/packages/novus-nvd3-d51729c/lib/cie.js b/wqflask/wqflask/static/packages/novus-nvd3-d51729c/lib/cie.js
new file mode 100755
index 00000000..45f01329
--- /dev/null
+++ b/wqflask/wqflask/static/packages/novus-nvd3-d51729c/lib/cie.js
@@ -0,0 +1,155 @@
+(function(d3) {
+  var cie = d3.cie = {};
+
+  cie.lab = function(l, a, b) {
+    return arguments.length === 1
+        ? (l instanceof Lab ? lab(l.l, l.a, l.b)
+        : (l instanceof Lch ? lch_lab(l.l, l.c, l.h)
+        : rgb_lab((l = d3.rgb(l)).r, l.g, l.b)))
+        : lab(+l, +a, +b);
+  };
+
+  cie.lch = function(l, c, h) {
+    return arguments.length === 1
+        ? (l instanceof Lch ? lch(l.l, l.c, l.h)
+        : (l instanceof Lab ? lab_lch(l.l, l.a, l.b)
+        : lab_lch((l = rgb_lab((l = d3.rgb(l)).r, l.g, l.b)).l, l.a, l.b)))
+        : lch(+l, +c, +h);
+  };
+
+  cie.interpolateLab = function(a, b) {
+    a = cie.lab(a);
+    b = cie.lab(b);
+    var al = a.l,
+        aa = a.a,
+        ab = a.b,
+        bl = b.l - al,
+        ba = b.a - aa,
+        bb = b.b - ab;
+    return function(t) {
+      return lab_rgb(al + bl * t, aa + ba * t, ab + bb * t) + "";
+    };
+  };
+
+  cie.interpolateLch = function(a, b) {
+    a = cie.lch(a);
+    b = cie.lch(b);
+    var al = a.l,
+        ac = a.c,
+        ah = a.h,
+        bl = b.l - al,
+        bc = b.c - ac,
+        bh = b.h - ah;
+    if (bh > 180) bh -= 360; else if (bh < -180) bh += 360; // shortest path
+    return function(t) {
+      return lch_lab(al + bl * t, ac + bc * t, ah + bh * t) + "";
+    };
+  };
+
+  function lab(l, a, b) {
+    return new Lab(l, a, b);
+  }
+
+  function Lab(l, a, b) {
+    this.l = l;
+    this.a = a;
+    this.b = b;
+  }
+
+  Lab.prototype.brighter = function(k) {
+    return lab(Math.min(100, this.l + K * (arguments.length ? k : 1)), this.a, this.b);
+  };
+
+  Lab.prototype.darker = function(k) {
+    return lab(Math.max(0, this.l - K * (arguments.length ? k : 1)), this.a, this.b);
+  };
+
+  Lab.prototype.rgb = function() {
+    return lab_rgb(this.l, this.a, this.b);
+  };
+
+  Lab.prototype.toString = function() {
+    return this.rgb() + "";
+  };
+
+  function lch(l, c, h) {
+    return new Lch(l, c, h);
+  }
+
+  function Lch(l, c, h) {
+    this.l = l;
+    this.c = c;
+    this.h = h;
+  }
+
+  Lch.prototype.brighter = function(k) {
+    return lch(Math.min(100, this.l + K * (arguments.length ? k : 1)), this.c, this.h);
+  };
+
+  Lch.prototype.darker = function(k) {
+    return lch(Math.max(0, this.l - K * (arguments.length ? k : 1)), this.c, this.h);
+  };
+
+  Lch.prototype.rgb = function() {
+    return lch_lab(this.l, this.c, this.h).rgb();
+  };
+
+  Lch.prototype.toString = function() {
+    return this.rgb() + "";
+  };
+
+  // Corresponds roughly to RGB brighter/darker
+  var K = 18;
+
+  // D65 standard referent
+  var X = 0.950470, Y = 1, Z = 1.088830;
+
+  function lab_rgb(l, a, b) {
+    var y = (l + 16) / 116, x = y + a / 500, z = y - b / 200;
+    x = lab_xyz(x) * X;
+    y = lab_xyz(y) * Y;
+    z = lab_xyz(z) * Z;
+    return d3.rgb(
+      xyz_rgb( 3.2404542 * x - 1.5371385 * y - 0.4985314 * z),
+      xyz_rgb(-0.9692660 * x + 1.8760108 * y + 0.0415560 * z),
+      xyz_rgb( 0.0556434 * x - 0.2040259 * y + 1.0572252 * z)
+    );
+  }
+
+  function rgb_lab(r, g, b) {
+    r = rgb_xyz(r);
+    g = rgb_xyz(g);
+    b = rgb_xyz(b);
+    var x = xyz_lab((0.4124564 * r + 0.3575761 * g + 0.1804375 * b) / X),
+        y = xyz_lab((0.2126729 * r + 0.7151522 * g + 0.0721750 * b) / Y),
+        z = xyz_lab((0.0193339 * r + 0.1191920 * g + 0.9503041 * b) / Z);
+    return lab(116 * y - 16, 500 * (x - y), 200 * (y - z));
+  }
+
+  function lab_lch(l, a, b) {
+    var c = Math.sqrt(a * a + b * b),
+        h = Math.atan2(b, a) / Math.PI * 180;
+    return lch(l, c, h);
+  }
+
+  function lch_lab(l, c, h) {
+    h = h * Math.PI / 180;
+    return lab(l, Math.cos(h) * c, Math.sin(h) * c);
+  }
+
+  function lab_xyz(x) {
+    return x > 0.206893034 ? x * x * x : (x - 4 / 29) / 7.787037;
+  }
+
+  function xyz_lab(x) {
+    return x > 0.008856 ? Math.pow(x, 1 / 3) : 7.787037 * x + 4 / 29;
+  }
+
+  function xyz_rgb(r) {
+    return Math.round(255 * (r <= 0.00304 ? 12.92 * r : 1.055 * Math.pow(r, 1 / 2.4) - 0.055));
+  }
+
+  function rgb_xyz(r) {
+    return (r /= 255) <= 0.04045 ? r / 12.92 : Math.pow((r + 0.055) / 1.055, 2.4);
+  }
+})(d3);
diff --git a/wqflask/wqflask/static/packages/novus-nvd3-d51729c/lib/colorbrewer.js b/wqflask/wqflask/static/packages/novus-nvd3-d51729c/lib/colorbrewer.js
new file mode 100755
index 00000000..2295527b
--- /dev/null
+++ b/wqflask/wqflask/static/packages/novus-nvd3-d51729c/lib/colorbrewer.js
@@ -0,0 +1,302 @@
+// This product includes color specifications and designs developed by Cynthia Brewer (http://colorbrewer.org/).
+var colorbrewer = {YlGn: {
+3: ["#f7fcb9","#addd8e","#31a354"],
+4: ["#ffffcc","#c2e699","#78c679","#238443"],
+5: ["#ffffcc","#c2e699","#78c679","#31a354","#006837"],
+6: ["#ffffcc","#d9f0a3","#addd8e","#78c679","#31a354","#006837"],
+7: ["#ffffcc","#d9f0a3","#addd8e","#78c679","#41ab5d","#238443","#005a32"],
+8: ["#ffffe5","#f7fcb9","#d9f0a3","#addd8e","#78c679","#41ab5d","#238443","#005a32"],
+9: ["#ffffe5","#f7fcb9","#d9f0a3","#addd8e","#78c679","#41ab5d","#238443","#006837","#004529"]
+},YlGnBu: {
+3: ["#edf8b1","#7fcdbb","#2c7fb8"],
+4: ["#ffffcc","#a1dab4","#41b6c4","#225ea8"],
+5: ["#ffffcc","#a1dab4","#41b6c4","#2c7fb8","#253494"],
+6: ["#ffffcc","#c7e9b4","#7fcdbb","#41b6c4","#2c7fb8","#253494"],
+7: ["#ffffcc","#c7e9b4","#7fcdbb","#41b6c4","#1d91c0","#225ea8","#0c2c84"],
+8: ["#ffffd9","#edf8b1","#c7e9b4","#7fcdbb","#41b6c4","#1d91c0","#225ea8","#0c2c84"],
+9: ["#ffffd9","#edf8b1","#c7e9b4","#7fcdbb","#41b6c4","#1d91c0","#225ea8","#253494","#081d58"]
+},GnBu: {
+3: ["#e0f3db","#a8ddb5","#43a2ca"],
+4: ["#f0f9e8","#bae4bc","#7bccc4","#2b8cbe"],
+5: ["#f0f9e8","#bae4bc","#7bccc4","#43a2ca","#0868ac"],
+6: ["#f0f9e8","#ccebc5","#a8ddb5","#7bccc4","#43a2ca","#0868ac"],
+7: ["#f0f9e8","#ccebc5","#a8ddb5","#7bccc4","#4eb3d3","#2b8cbe","#08589e"],
+8: ["#f7fcf0","#e0f3db","#ccebc5","#a8ddb5","#7bccc4","#4eb3d3","#2b8cbe","#08589e"],
+9: ["#f7fcf0","#e0f3db","#ccebc5","#a8ddb5","#7bccc4","#4eb3d3","#2b8cbe","#0868ac","#084081"]
+},BuGn: {
+3: ["#e5f5f9","#99d8c9","#2ca25f"],
+4: ["#edf8fb","#b2e2e2","#66c2a4","#238b45"],
+5: ["#edf8fb","#b2e2e2","#66c2a4","#2ca25f","#006d2c"],
+6: ["#edf8fb","#ccece6","#99d8c9","#66c2a4","#2ca25f","#006d2c"],
+7: ["#edf8fb","#ccece6","#99d8c9","#66c2a4","#41ae76","#238b45","#005824"],
+8: ["#f7fcfd","#e5f5f9","#ccece6","#99d8c9","#66c2a4","#41ae76","#238b45","#005824"],
+9: ["#f7fcfd","#e5f5f9","#ccece6","#99d8c9","#66c2a4","#41ae76","#238b45","#006d2c","#00441b"]
+},PuBuGn: {
+3: ["#ece2f0","#a6bddb","#1c9099"],
+4: ["#f6eff7","#bdc9e1","#67a9cf","#02818a"],
+5: ["#f6eff7","#bdc9e1","#67a9cf","#1c9099","#016c59"],
+6: ["#f6eff7","#d0d1e6","#a6bddb","#67a9cf","#1c9099","#016c59"],
+7: ["#f6eff7","#d0d1e6","#a6bddb","#67a9cf","#3690c0","#02818a","#016450"],
+8: ["#fff7fb","#ece2f0","#d0d1e6","#a6bddb","#67a9cf","#3690c0","#02818a","#016450"],
+9: ["#fff7fb","#ece2f0","#d0d1e6","#a6bddb","#67a9cf","#3690c0","#02818a","#016c59","#014636"]
+},PuBu: {
+3: ["#ece7f2","#a6bddb","#2b8cbe"],
+4: ["#f1eef6","#bdc9e1","#74a9cf","#0570b0"],
+5: ["#f1eef6","#bdc9e1","#74a9cf","#2b8cbe","#045a8d"],
+6: ["#f1eef6","#d0d1e6","#a6bddb","#74a9cf","#2b8cbe","#045a8d"],
+7: ["#f1eef6","#d0d1e6","#a6bddb","#74a9cf","#3690c0","#0570b0","#034e7b"],
+8: ["#fff7fb","#ece7f2","#d0d1e6","#a6bddb","#74a9cf","#3690c0","#0570b0","#034e7b"],
+9: ["#fff7fb","#ece7f2","#d0d1e6","#a6bddb","#74a9cf","#3690c0","#0570b0","#045a8d","#023858"]
+},BuPu: {
+3: ["#e0ecf4","#9ebcda","#8856a7"],
+4: ["#edf8fb","#b3cde3","#8c96c6","#88419d"],
+5: ["#edf8fb","#b3cde3","#8c96c6","#8856a7","#810f7c"],
+6: ["#edf8fb","#bfd3e6","#9ebcda","#8c96c6","#8856a7","#810f7c"],
+7: ["#edf8fb","#bfd3e6","#9ebcda","#8c96c6","#8c6bb1","#88419d","#6e016b"],
+8: ["#f7fcfd","#e0ecf4","#bfd3e6","#9ebcda","#8c96c6","#8c6bb1","#88419d","#6e016b"],
+9: ["#f7fcfd","#e0ecf4","#bfd3e6","#9ebcda","#8c96c6","#8c6bb1","#88419d","#810f7c","#4d004b"]
+},RdPu: {
+3: ["#fde0dd","#fa9fb5","#c51b8a"],
+4: ["#feebe2","#fbb4b9","#f768a1","#ae017e"],
+5: ["#feebe2","#fbb4b9","#f768a1","#c51b8a","#7a0177"],
+6: ["#feebe2","#fcc5c0","#fa9fb5","#f768a1","#c51b8a","#7a0177"],
+7: ["#feebe2","#fcc5c0","#fa9fb5","#f768a1","#dd3497","#ae017e","#7a0177"],
+8: ["#fff7f3","#fde0dd","#fcc5c0","#fa9fb5","#f768a1","#dd3497","#ae017e","#7a0177"],
+9: ["#fff7f3","#fde0dd","#fcc5c0","#fa9fb5","#f768a1","#dd3497","#ae017e","#7a0177","#49006a"]
+},PuRd: {
+3: ["#e7e1ef","#c994c7","#dd1c77"],
+4: ["#f1eef6","#d7b5d8","#df65b0","#ce1256"],
+5: ["#f1eef6","#d7b5d8","#df65b0","#dd1c77","#980043"],
+6: ["#f1eef6","#d4b9da","#c994c7","#df65b0","#dd1c77","#980043"],
+7: ["#f1eef6","#d4b9da","#c994c7","#df65b0","#e7298a","#ce1256","#91003f"],
+8: ["#f7f4f9","#e7e1ef","#d4b9da","#c994c7","#df65b0","#e7298a","#ce1256","#91003f"],
+9: ["#f7f4f9","#e7e1ef","#d4b9da","#c994c7","#df65b0","#e7298a","#ce1256","#980043","#67001f"]
+},OrRd: {
+3: ["#fee8c8","#fdbb84","#e34a33"],
+4: ["#fef0d9","#fdcc8a","#fc8d59","#d7301f"],
+5: ["#fef0d9","#fdcc8a","#fc8d59","#e34a33","#b30000"],
+6: ["#fef0d9","#fdd49e","#fdbb84","#fc8d59","#e34a33","#b30000"],
+7: ["#fef0d9","#fdd49e","#fdbb84","#fc8d59","#ef6548","#d7301f","#990000"],
+8: ["#fff7ec","#fee8c8","#fdd49e","#fdbb84","#fc8d59","#ef6548","#d7301f","#990000"],
+9: ["#fff7ec","#fee8c8","#fdd49e","#fdbb84","#fc8d59","#ef6548","#d7301f","#b30000","#7f0000"]
+},YlOrRd: {
+3: ["#ffeda0","#feb24c","#f03b20"],
+4: ["#ffffb2","#fecc5c","#fd8d3c","#e31a1c"],
+5: ["#ffffb2","#fecc5c","#fd8d3c","#f03b20","#bd0026"],
+6: ["#ffffb2","#fed976","#feb24c","#fd8d3c","#f03b20","#bd0026"],
+7: ["#ffffb2","#fed976","#feb24c","#fd8d3c","#fc4e2a","#e31a1c","#b10026"],
+8: ["#ffffcc","#ffeda0","#fed976","#feb24c","#fd8d3c","#fc4e2a","#e31a1c","#b10026"],
+9: ["#ffffcc","#ffeda0","#fed976","#feb24c","#fd8d3c","#fc4e2a","#e31a1c","#bd0026","#800026"]
+},YlOrBr: {
+3: ["#fff7bc","#fec44f","#d95f0e"],
+4: ["#ffffd4","#fed98e","#fe9929","#cc4c02"],
+5: ["#ffffd4","#fed98e","#fe9929","#d95f0e","#993404"],
+6: ["#ffffd4","#fee391","#fec44f","#fe9929","#d95f0e","#993404"],
+7: ["#ffffd4","#fee391","#fec44f","#fe9929","#ec7014","#cc4c02","#8c2d04"],
+8: ["#ffffe5","#fff7bc","#fee391","#fec44f","#fe9929","#ec7014","#cc4c02","#8c2d04"],
+9: ["#ffffe5","#fff7bc","#fee391","#fec44f","#fe9929","#ec7014","#cc4c02","#993404","#662506"]
+},Purples: {
+3: ["#efedf5","#bcbddc","#756bb1"],
+4: ["#f2f0f7","#cbc9e2","#9e9ac8","#6a51a3"],
+5: ["#f2f0f7","#cbc9e2","#9e9ac8","#756bb1","#54278f"],
+6: ["#f2f0f7","#dadaeb","#bcbddc","#9e9ac8","#756bb1","#54278f"],
+7: ["#f2f0f7","#dadaeb","#bcbddc","#9e9ac8","#807dba","#6a51a3","#4a1486"],
+8: ["#fcfbfd","#efedf5","#dadaeb","#bcbddc","#9e9ac8","#807dba","#6a51a3","#4a1486"],
+9: ["#fcfbfd","#efedf5","#dadaeb","#bcbddc","#9e9ac8","#807dba","#6a51a3","#54278f","#3f007d"]
+},Blues: {
+3: ["#deebf7","#9ecae1","#3182bd"],
+4: ["#eff3ff","#bdd7e7","#6baed6","#2171b5"],
+5: ["#eff3ff","#bdd7e7","#6baed6","#3182bd","#08519c"],
+6: ["#eff3ff","#c6dbef","#9ecae1","#6baed6","#3182bd","#08519c"],
+7: ["#eff3ff","#c6dbef","#9ecae1","#6baed6","#4292c6","#2171b5","#084594"],
+8: ["#f7fbff","#deebf7","#c6dbef","#9ecae1","#6baed6","#4292c6","#2171b5","#084594"],
+9: ["#f7fbff","#deebf7","#c6dbef","#9ecae1","#6baed6","#4292c6","#2171b5","#08519c","#08306b"]
+},Greens: {
+3: ["#e5f5e0","#a1d99b","#31a354"],
+4: ["#edf8e9","#bae4b3","#74c476","#238b45"],
+5: ["#edf8e9","#bae4b3","#74c476","#31a354","#006d2c"],
+6: ["#edf8e9","#c7e9c0","#a1d99b","#74c476","#31a354","#006d2c"],
+7: ["#edf8e9","#c7e9c0","#a1d99b","#74c476","#41ab5d","#238b45","#005a32"],
+8: ["#f7fcf5","#e5f5e0","#c7e9c0","#a1d99b","#74c476","#41ab5d","#238b45","#005a32"],
+9: ["#f7fcf5","#e5f5e0","#c7e9c0","#a1d99b","#74c476","#41ab5d","#238b45","#006d2c","#00441b"]
+},Oranges: {
+3: ["#fee6ce","#fdae6b","#e6550d"],
+4: ["#feedde","#fdbe85","#fd8d3c","#d94701"],
+5: ["#feedde","#fdbe85","#fd8d3c","#e6550d","#a63603"],
+6: ["#feedde","#fdd0a2","#fdae6b","#fd8d3c","#e6550d","#a63603"],
+7: ["#feedde","#fdd0a2","#fdae6b","#fd8d3c","#f16913","#d94801","#8c2d04"],
+8: ["#fff5eb","#fee6ce","#fdd0a2","#fdae6b","#fd8d3c","#f16913","#d94801","#8c2d04"],
+9: ["#fff5eb","#fee6ce","#fdd0a2","#fdae6b","#fd8d3c","#f16913","#d94801","#a63603","#7f2704"]
+},Reds: {
+3: ["#fee0d2","#fc9272","#de2d26"],
+4: ["#fee5d9","#fcae91","#fb6a4a","#cb181d"],
+5: ["#fee5d9","#fcae91","#fb6a4a","#de2d26","#a50f15"],
+6: ["#fee5d9","#fcbba1","#fc9272","#fb6a4a","#de2d26","#a50f15"],
+7: ["#fee5d9","#fcbba1","#fc9272","#fb6a4a","#ef3b2c","#cb181d","#99000d"],
+8: ["#fff5f0","#fee0d2","#fcbba1","#fc9272","#fb6a4a","#ef3b2c","#cb181d","#99000d"],
+9: ["#fff5f0","#fee0d2","#fcbba1","#fc9272","#fb6a4a","#ef3b2c","#cb181d","#a50f15","#67000d"]
+},Greys: {
+3: ["#f0f0f0","#bdbdbd","#636363"],
+4: ["#f7f7f7","#cccccc","#969696","#525252"],
+5: ["#f7f7f7","#cccccc","#969696","#636363","#252525"],
+6: ["#f7f7f7","#d9d9d9","#bdbdbd","#969696","#636363","#252525"],
+7: ["#f7f7f7","#d9d9d9","#bdbdbd","#969696","#737373","#525252","#252525"],
+8: ["#ffffff","#f0f0f0","#d9d9d9","#bdbdbd","#969696","#737373","#525252","#252525"],
+9: ["#ffffff","#f0f0f0","#d9d9d9","#bdbdbd","#969696","#737373","#525252","#252525","#000000"]
+},PuOr: {
+3: ["#f1a340","#f7f7f7","#998ec3"],
+4: ["#e66101","#fdb863","#b2abd2","#5e3c99"],
+5: ["#e66101","#fdb863","#f7f7f7","#b2abd2","#5e3c99"],
+6: ["#b35806","#f1a340","#fee0b6","#d8daeb","#998ec3","#542788"],
+7: ["#b35806","#f1a340","#fee0b6","#f7f7f7","#d8daeb","#998ec3","#542788"],
+8: ["#b35806","#e08214","#fdb863","#fee0b6","#d8daeb","#b2abd2","#8073ac","#542788"],
+9: ["#b35806","#e08214","#fdb863","#fee0b6","#f7f7f7","#d8daeb","#b2abd2","#8073ac","#542788"],
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+},BrBG: {
+3: ["#d8b365","#f5f5f5","#5ab4ac"],
+4: ["#a6611a","#dfc27d","#80cdc1","#018571"],
+5: ["#a6611a","#dfc27d","#f5f5f5","#80cdc1","#018571"],
+6: ["#8c510a","#d8b365","#f6e8c3","#c7eae5","#5ab4ac","#01665e"],
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+8: ["#8c510a","#bf812d","#dfc27d","#f6e8c3","#c7eae5","#80cdc1","#35978f","#01665e"],
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+},PRGn: {
+3: ["#af8dc3","#f7f7f7","#7fbf7b"],
+4: ["#7b3294","#c2a5cf","#a6dba0","#008837"],
+5: ["#7b3294","#c2a5cf","#f7f7f7","#a6dba0","#008837"],
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+},PiYG: {
+3: ["#e9a3c9","#f7f7f7","#a1d76a"],
+4: ["#d01c8b","#f1b6da","#b8e186","#4dac26"],
+5: ["#d01c8b","#f1b6da","#f7f7f7","#b8e186","#4dac26"],
+6: ["#c51b7d","#e9a3c9","#fde0ef","#e6f5d0","#a1d76a","#4d9221"],
+7: ["#c51b7d","#e9a3c9","#fde0ef","#f7f7f7","#e6f5d0","#a1d76a","#4d9221"],
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+},RdBu: {
+3: ["#ef8a62","#f7f7f7","#67a9cf"],
+4: ["#ca0020","#f4a582","#92c5de","#0571b0"],
+5: ["#ca0020","#f4a582","#f7f7f7","#92c5de","#0571b0"],
+6: ["#b2182b","#ef8a62","#fddbc7","#d1e5f0","#67a9cf","#2166ac"],
+7: ["#b2182b","#ef8a62","#fddbc7","#f7f7f7","#d1e5f0","#67a9cf","#2166ac"],
+8: ["#b2182b","#d6604d","#f4a582","#fddbc7","#d1e5f0","#92c5de","#4393c3","#2166ac"],
+9: ["#b2182b","#d6604d","#f4a582","#fddbc7","#f7f7f7","#d1e5f0","#92c5de","#4393c3","#2166ac"],
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+},RdGy: {
+3: ["#ef8a62","#ffffff","#999999"],
+4: ["#ca0020","#f4a582","#bababa","#404040"],
+5: ["#ca0020","#f4a582","#ffffff","#bababa","#404040"],
+6: ["#b2182b","#ef8a62","#fddbc7","#e0e0e0","#999999","#4d4d4d"],
+7: ["#b2182b","#ef8a62","#fddbc7","#ffffff","#e0e0e0","#999999","#4d4d4d"],
+8: ["#b2182b","#d6604d","#f4a582","#fddbc7","#e0e0e0","#bababa","#878787","#4d4d4d"],
+9: ["#b2182b","#d6604d","#f4a582","#fddbc7","#ffffff","#e0e0e0","#bababa","#878787","#4d4d4d"],
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+},RdYlBu: {
+3: ["#fc8d59","#ffffbf","#91bfdb"],
+4: ["#d7191c","#fdae61","#abd9e9","#2c7bb6"],
+5: ["#d7191c","#fdae61","#ffffbf","#abd9e9","#2c7bb6"],
+6: ["#d73027","#fc8d59","#fee090","#e0f3f8","#91bfdb","#4575b4"],
+7: ["#d73027","#fc8d59","#fee090","#ffffbf","#e0f3f8","#91bfdb","#4575b4"],
+8: ["#d73027","#f46d43","#fdae61","#fee090","#e0f3f8","#abd9e9","#74add1","#4575b4"],
+9: ["#d73027","#f46d43","#fdae61","#fee090","#ffffbf","#e0f3f8","#abd9e9","#74add1","#4575b4"],
+10: ["#a50026","#d73027","#f46d43","#fdae61","#fee090","#e0f3f8","#abd9e9","#74add1","#4575b4","#313695"],
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+},Spectral: {
+3: ["#fc8d59","#ffffbf","#99d594"],
+4: ["#d7191c","#fdae61","#abdda4","#2b83ba"],
+5: ["#d7191c","#fdae61","#ffffbf","#abdda4","#2b83ba"],
+6: ["#d53e4f","#fc8d59","#fee08b","#e6f598","#99d594","#3288bd"],
+7: ["#d53e4f","#fc8d59","#fee08b","#ffffbf","#e6f598","#99d594","#3288bd"],
+8: ["#d53e4f","#f46d43","#fdae61","#fee08b","#e6f598","#abdda4","#66c2a5","#3288bd"],
+9: ["#d53e4f","#f46d43","#fdae61","#fee08b","#ffffbf","#e6f598","#abdda4","#66c2a5","#3288bd"],
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+},RdYlGn: {
+3: ["#fc8d59","#ffffbf","#91cf60"],
+4: ["#d7191c","#fdae61","#a6d96a","#1a9641"],
+5: ["#d7191c","#fdae61","#ffffbf","#a6d96a","#1a9641"],
+6: ["#d73027","#fc8d59","#fee08b","#d9ef8b","#91cf60","#1a9850"],
+7: ["#d73027","#fc8d59","#fee08b","#ffffbf","#d9ef8b","#91cf60","#1a9850"],
+8: ["#d73027","#f46d43","#fdae61","#fee08b","#d9ef8b","#a6d96a","#66bd63","#1a9850"],
+9: ["#d73027","#f46d43","#fdae61","#fee08b","#ffffbf","#d9ef8b","#a6d96a","#66bd63","#1a9850"],
+10: ["#a50026","#d73027","#f46d43","#fdae61","#fee08b","#d9ef8b","#a6d96a","#66bd63","#1a9850","#006837"],
+11: ["#a50026","#d73027","#f46d43","#fdae61","#fee08b","#ffffbf","#d9ef8b","#a6d96a","#66bd63","#1a9850","#006837"]
+},Accent: {
+3: ["#7fc97f","#beaed4","#fdc086"],
+4: ["#7fc97f","#beaed4","#fdc086","#ffff99"],
+5: ["#7fc97f","#beaed4","#fdc086","#ffff99","#386cb0"],
+6: ["#7fc97f","#beaed4","#fdc086","#ffff99","#386cb0","#f0027f"],
+7: ["#7fc97f","#beaed4","#fdc086","#ffff99","#386cb0","#f0027f","#bf5b17"],
+8: ["#7fc97f","#beaed4","#fdc086","#ffff99","#386cb0","#f0027f","#bf5b17","#666666"]
+},Dark2: {
+3: ["#1b9e77","#d95f02","#7570b3"],
+4: ["#1b9e77","#d95f02","#7570b3","#e7298a"],
+5: ["#1b9e77","#d95f02","#7570b3","#e7298a","#66a61e"],
+6: ["#1b9e77","#d95f02","#7570b3","#e7298a","#66a61e","#e6ab02"],
+7: ["#1b9e77","#d95f02","#7570b3","#e7298a","#66a61e","#e6ab02","#a6761d"],
+8: ["#1b9e77","#d95f02","#7570b3","#e7298a","#66a61e","#e6ab02","#a6761d","#666666"]
+},Paired: {
+3: ["#a6cee3","#1f78b4","#b2df8a"],
+4: ["#a6cee3","#1f78b4","#b2df8a","#33a02c"],
+5: ["#a6cee3","#1f78b4","#b2df8a","#33a02c","#fb9a99"],
+6: ["#a6cee3","#1f78b4","#b2df8a","#33a02c","#fb9a99","#e31a1c"],
+7: ["#a6cee3","#1f78b4","#b2df8a","#33a02c","#fb9a99","#e31a1c","#fdbf6f"],
+8: ["#a6cee3","#1f78b4","#b2df8a","#33a02c","#fb9a99","#e31a1c","#fdbf6f","#ff7f00"],
+9: ["#a6cee3","#1f78b4","#b2df8a","#33a02c","#fb9a99","#e31a1c","#fdbf6f","#ff7f00","#cab2d6"],
+10: ["#a6cee3","#1f78b4","#b2df8a","#33a02c","#fb9a99","#e31a1c","#fdbf6f","#ff7f00","#cab2d6","#6a3d9a"],
+11: ["#a6cee3","#1f78b4","#b2df8a","#33a02c","#fb9a99","#e31a1c","#fdbf6f","#ff7f00","#cab2d6","#6a3d9a","#ffff99"],
+12: ["#a6cee3","#1f78b4","#b2df8a","#33a02c","#fb9a99","#e31a1c","#fdbf6f","#ff7f00","#cab2d6","#6a3d9a","#ffff99","#b15928"]
+},Pastel1: {
+3: ["#fbb4ae","#b3cde3","#ccebc5"],
+4: ["#fbb4ae","#b3cde3","#ccebc5","#decbe4"],
+5: ["#fbb4ae","#b3cde3","#ccebc5","#decbe4","#fed9a6"],
+6: ["#fbb4ae","#b3cde3","#ccebc5","#decbe4","#fed9a6","#ffffcc"],
+7: ["#fbb4ae","#b3cde3","#ccebc5","#decbe4","#fed9a6","#ffffcc","#e5d8bd"],
+8: ["#fbb4ae","#b3cde3","#ccebc5","#decbe4","#fed9a6","#ffffcc","#e5d8bd","#fddaec"],
+9: ["#fbb4ae","#b3cde3","#ccebc5","#decbe4","#fed9a6","#ffffcc","#e5d8bd","#fddaec","#f2f2f2"]
+},Pastel2: {
+3: ["#b3e2cd","#fdcdac","#cbd5e8"],
+4: ["#b3e2cd","#fdcdac","#cbd5e8","#f4cae4"],
+5: ["#b3e2cd","#fdcdac","#cbd5e8","#f4cae4","#e6f5c9"],
+6: ["#b3e2cd","#fdcdac","#cbd5e8","#f4cae4","#e6f5c9","#fff2ae"],
+7: ["#b3e2cd","#fdcdac","#cbd5e8","#f4cae4","#e6f5c9","#fff2ae","#f1e2cc"],
+8: ["#b3e2cd","#fdcdac","#cbd5e8","#f4cae4","#e6f5c9","#fff2ae","#f1e2cc","#cccccc"]
+},Set1: {
+3: ["#e41a1c","#377eb8","#4daf4a"],
+4: ["#e41a1c","#377eb8","#4daf4a","#984ea3"],
+5: ["#e41a1c","#377eb8","#4daf4a","#984ea3","#ff7f00"],
+6: ["#e41a1c","#377eb8","#4daf4a","#984ea3","#ff7f00","#ffff33"],
+7: ["#e41a1c","#377eb8","#4daf4a","#984ea3","#ff7f00","#ffff33","#a65628"],
+8: ["#e41a1c","#377eb8","#4daf4a","#984ea3","#ff7f00","#ffff33","#a65628","#f781bf"],
+9: ["#e41a1c","#377eb8","#4daf4a","#984ea3","#ff7f00","#ffff33","#a65628","#f781bf","#999999"]
+},Set2: {
+3: ["#66c2a5","#fc8d62","#8da0cb"],
+4: ["#66c2a5","#fc8d62","#8da0cb","#e78ac3"],
+5: ["#66c2a5","#fc8d62","#8da0cb","#e78ac3","#a6d854"],
+6: ["#66c2a5","#fc8d62","#8da0cb","#e78ac3","#a6d854","#ffd92f"],
+7: ["#66c2a5","#fc8d62","#8da0cb","#e78ac3","#a6d854","#ffd92f","#e5c494"],
+8: ["#66c2a5","#fc8d62","#8da0cb","#e78ac3","#a6d854","#ffd92f","#e5c494","#b3b3b3"]
+},Set3: {
+3: ["#8dd3c7","#ffffb3","#bebada"],
+4: ["#8dd3c7","#ffffb3","#bebada","#fb8072"],
+5: ["#8dd3c7","#ffffb3","#bebada","#fb8072","#80b1d3"],
+6: ["#8dd3c7","#ffffb3","#bebada","#fb8072","#80b1d3","#fdb462"],
+7: ["#8dd3c7","#ffffb3","#bebada","#fb8072","#80b1d3","#fdb462","#b3de69"],
+8: ["#8dd3c7","#ffffb3","#bebada","#fb8072","#80b1d3","#fdb462","#b3de69","#fccde5"],
+9: ["#8dd3c7","#ffffb3","#bebada","#fb8072","#80b1d3","#fdb462","#b3de69","#fccde5","#d9d9d9"],
+10: ["#8dd3c7","#ffffb3","#bebada","#fb8072","#80b1d3","#fdb462","#b3de69","#fccde5","#d9d9d9","#bc80bd"],
+11: ["#8dd3c7","#ffffb3","#bebada","#fb8072","#80b1d3","#fdb462","#b3de69","#fccde5","#d9d9d9","#bc80bd","#ccebc5"],
+12: ["#8dd3c7","#ffffb3","#bebada","#fb8072","#80b1d3","#fdb462","#b3de69","#fccde5","#d9d9d9","#bc80bd","#ccebc5","#ffed6f"]
+}};
diff --git a/wqflask/wqflask/static/packages/novus-nvd3-d51729c/lib/crossfilter.js b/wqflask/wqflask/static/packages/novus-nvd3-d51729c/lib/crossfilter.js
new file mode 100755
index 00000000..1aaabca2
--- /dev/null
+++ b/wqflask/wqflask/static/packages/novus-nvd3-d51729c/lib/crossfilter.js
@@ -0,0 +1,1180 @@
+(function(exports){
+crossfilter.version = "1.0.3";
+function crossfilter_identity(d) {
+  return d;
+}
+crossfilter.permute = permute;
+
+function permute(array, index) {
+  for (var i = 0, n = index.length, copy = new Array(n); i < n; ++i) {
+    copy[i] = array[index[i]];
+  }
+  return copy;
+}
+var bisect = crossfilter.bisect = bisect_by(crossfilter_identity);
+
+bisect.by = bisect_by;
+
+function bisect_by(f) {
+
+  // Locate the insertion point for x in a to maintain sorted order. The
+  // arguments lo and hi may be used to specify a subset of the array which
+  // should be considered; by default the entire array is used. If x is already
+  // present in a, the insertion point will be before (to the left of) any
+  // existing entries. The return value is suitable for use as the first
+  // argument to `array.splice` assuming that a is already sorted.
+  //
+  // The returned insertion point i partitions the array a into two halves so
+  // that all v < x for v in a[lo:i] for the left side and all v >= x for v in
+  // a[i:hi] for the right side.
+  function bisectLeft(a, x, lo, hi) {
+    while (lo < hi) {
+      var mid = lo + hi >> 1;
+      if (f(a[mid]) < x) lo = mid + 1;
+      else hi = mid;
+    }
+    return lo;
+  }
+
+  // Similar to bisectLeft, but returns an insertion point which comes after (to
+  // the right of) any existing entries of x in a.
+  //
+  // The returned insertion point i partitions the array into two halves so that
+  // all v <= x for v in a[lo:i] for the left side and all v > x for v in
+  // a[i:hi] for the right side.
+  function bisectRight(a, x, lo, hi) {
+    while (lo < hi) {
+      var mid = lo + hi >> 1;
+      if (x < f(a[mid])) hi = mid;
+      else lo = mid + 1;
+    }
+    return lo;
+  }
+
+  bisectRight.right = bisectRight;
+  bisectRight.left = bisectLeft;
+  return bisectRight;
+}
+var heap = crossfilter.heap = heap_by(crossfilter_identity);
+
+heap.by = heap_by;
+
+function heap_by(f) {
+
+  // Builds a binary heap within the specified array a[lo:hi]. The heap has the
+  // property such that the parent a[lo+i] is always less than or equal to its
+  // two children: a[lo+2*i+1] and a[lo+2*i+2].
+  function heap(a, lo, hi) {
+    var n = hi - lo,
+        i = (n >>> 1) + 1;
+    while (--i > 0) sift(a, i, n, lo);
+    return a;
+  }
+
+  // Sorts the specified array a[lo:hi] in descending order, assuming it is
+  // already a heap.
+  function sort(a, lo, hi) {
+    var n = hi - lo,
+        t;
+    while (--n > 0) t = a[lo], a[lo] = a[lo + n], a[lo + n] = t, sift(a, 1, n, lo);
+    return a;
+  }
+
+  // Sifts the element a[lo+i-1] down the heap, where the heap is the contiguous
+  // slice of array a[lo:lo+n]. This method can also be used to update the heap
+  // incrementally, without incurring the full cost of reconstructing the heap.
+  function sift(a, i, n, lo) {
+    var d = a[--lo + i],
+        x = f(d),
+        child;
+    while ((child = i << 1) <= n) {
+      if (child < n && f(a[lo + child]) > f(a[lo + child + 1])) child++;
+      if (x <= f(a[lo + child])) break;
+      a[lo + i] = a[lo + child];
+      i = child;
+    }
+    a[lo + i] = d;
+  }
+
+  heap.sort = sort;
+  return heap;
+}
+var heapselect = crossfilter.heapselect = heapselect_by(crossfilter_identity);
+
+heapselect.by = heapselect_by;
+
+function heapselect_by(f) {
+  var heap = heap_by(f);
+
+  // Returns a new array containing the top k elements in the array a[lo:hi].
+  // The returned array is not sorted, but maintains the heap property. If k is
+  // greater than hi - lo, then fewer than k elements will be returned. The
+  // order of elements in a is unchanged by this operation.
+  function heapselect(a, lo, hi, k) {
+    var queue = new Array(k = Math.min(hi - lo, k)),
+        min,
+        i,
+        x,
+        d;
+
+    for (i = 0; i < k; ++i) queue[i] = a[lo++];
+    heap(queue, 0, k);
+
+    if (lo < hi) {
+      min = f(queue[0]);
+      do {
+        if (x = f(d = a[lo]) > min) {
+          queue[0] = d;
+          min = f(heap(queue, 0, k)[0]);
+        }
+      } while (++lo < hi);
+    }
+
+    return queue;
+  }
+
+  return heapselect;
+}
+var insertionsort = crossfilter.insertionsort = insertionsort_by(crossfilter_identity);
+
+insertionsort.by = insertionsort_by;
+
+function insertionsort_by(f) {
+
+  function insertionsort(a, lo, hi) {
+    for (var i = lo + 1; i < hi; ++i) {
+      for (var j = i, t = a[i], x = f(t); j > lo && f(a[j - 1]) > x; --j) {
+        a[j] = a[j - 1];
+      }
+      a[j] = t;
+    }
+    return a;
+  }
+
+  return insertionsort;
+}
+// Algorithm designed by Vladimir Yaroslavskiy.
+// Implementation based on the Dart project; see lib/dart/LICENSE for details.
+
+var quicksort = crossfilter.quicksort = quicksort_by(crossfilter_identity);
+
+quicksort.by = quicksort_by;
+
+function quicksort_by(f) {
+  var insertionsort = insertionsort_by(f);
+
+  function sort(a, lo, hi) {
+    return (hi - lo < quicksort_sizeThreshold
+        ? insertionsort
+        : quicksort)(a, lo, hi);
+  }
+
+  function quicksort(a, lo, hi) {
+
+    // Compute the two pivots by looking at 5 elements.
+    var sixth = (hi - lo) / 6 | 0,
+        i1 = lo + sixth,
+        i5 = hi - 1 - sixth,
+        i3 = lo + hi - 1 >> 1,  // The midpoint.
+        i2 = i3 - sixth,
+        i4 = i3 + sixth;
+
+    var e1 = a[i1], x1 = f(e1),
+        e2 = a[i2], x2 = f(e2),
+        e3 = a[i3], x3 = f(e3),
+        e4 = a[i4], x4 = f(e4),
+        e5 = a[i5], x5 = f(e5);
+
+    var t;
+
+    // Sort the selected 5 elements using a sorting network.
+    if (x1 > x2) t = e1, e1 = e2, e2 = t, t = x1, x1 = x2, x2 = t;
+    if (x4 > x5) t = e4, e4 = e5, e5 = t, t = x4, x4 = x5, x5 = t;
+    if (x1 > x3) t = e1, e1 = e3, e3 = t, t = x1, x1 = x3, x3 = t;
+    if (x2 > x3) t = e2, e2 = e3, e3 = t, t = x2, x2 = x3, x3 = t;
+    if (x1 > x4) t = e1, e1 = e4, e4 = t, t = x1, x1 = x4, x4 = t;
+    if (x3 > x4) t = e3, e3 = e4, e4 = t, t = x3, x3 = x4, x4 = t;
+    if (x2 > x5) t = e2, e2 = e5, e5 = t, t = x2, x2 = x5, x5 = t;
+    if (x2 > x3) t = e2, e2 = e3, e3 = t, t = x2, x2 = x3, x3 = t;
+    if (x4 > x5) t = e4, e4 = e5, e5 = t, t = x4, x4 = x5, x5 = t;
+
+    var pivot1 = e2, pivotValue1 = x2,
+        pivot2 = e4, pivotValue2 = x4;
+
+    // e2 and e4 have been saved in the pivot variables. They will be written
+    // back, once the partitioning is finished.
+    a[i1] = e1;
+    a[i2] = a[lo];
+    a[i3] = e3;
+    a[i4] = a[hi - 1];
+    a[i5] = e5;
+
+    var less = lo + 1,   // First element in the middle partition.
+        great = hi - 2;  // Last element in the middle partition.
+
+    // Note that for value comparison, <, <=, >= and > coerce to a primitive via
+    // Object.prototype.valueOf; == and === do not, so in order to be consistent
+    // with natural order (such as for Date objects), we must do two compares.
+    var pivotsEqual = pivotValue1 <= pivotValue2 && pivotValue1 >= pivotValue2;
+    if (pivotsEqual) {
+
+      // Degenerated case where the partitioning becomes a dutch national flag
+      // problem.
+      //
+      // [ |  < pivot  | == pivot | unpartitioned | > pivot  | ]
+      //  ^             ^          ^             ^            ^
+      // left         less         k           great         right
+      //
+      // a[left] and a[right] are undefined and are filled after the
+      // partitioning.
+      //
+      // Invariants:
+      //   1) for x in ]left, less[ : x < pivot.
+      //   2) for x in [less, k[ : x == pivot.
+      //   3) for x in ]great, right[ : x > pivot.
+      for (var k = less; k <= great; ++k) {
+        var ek = a[k], xk = f(ek);
+        if (xk < pivotValue1) {
+          if (k !== less) {
+            a[k] = a[less];
+            a[less] = ek;
+          }
+          ++less;
+        } else if (xk > pivotValue1) {
+
+          // Find the first element <= pivot in the range [k - 1, great] and
+          // put [:ek:] there. We know that such an element must exist:
+          // When k == less, then el3 (which is equal to pivot) lies in the
+          // interval. Otherwise a[k - 1] == pivot and the search stops at k-1.
+          // Note that in the latter case invariant 2 will be violated for a
+          // short amount of time. The invariant will be restored when the
+          // pivots are put into their final positions.
+          while (true) {
+            var greatValue = f(a[great]);
+            if (greatValue > pivotValue1) {
+              great--;
+              // This is the only location in the while-loop where a new
+              // iteration is started.
+              continue;
+            } else if (greatValue < pivotValue1) {
+              // Triple exchange.
+              a[k] = a[less];
+              a[less++] = a[great];
+              a[great--] = ek;
+              break;
+            } else {
+              a[k] = a[great];
+              a[great--] = ek;
+              // Note: if great < k then we will exit the outer loop and fix
+              // invariant 2 (which we just violated).
+              break;
+            }
+          }
+        }
+      }
+    } else {
+
+      // We partition the list into three parts:
+      //  1. < pivot1
+      //  2. >= pivot1 && <= pivot2
+      //  3. > pivot2
+      //
+      // During the loop we have:
+      // [ | < pivot1 | >= pivot1 && <= pivot2 | unpartitioned  | > pivot2  | ]
+      //  ^            ^                        ^              ^             ^
+      // left         less                     k              great        right
+      //
+      // a[left] and a[right] are undefined and are filled after the
+      // partitioning.
+      //
+      // Invariants:
+      //   1. for x in ]left, less[ : x < pivot1
+      //   2. for x in [less, k[ : pivot1 <= x && x <= pivot2
+      //   3. for x in ]great, right[ : x > pivot2
+      for (var k = less; k <= great; k++) {
+        var ek = a[k], xk = f(ek);
+        if (xk < pivotValue1) {
+          if (k !== less) {
+            a[k] = a[less];
+            a[less] = ek;
+          }
+          ++less;
+        } else {
+          if (xk > pivotValue2) {
+            while (true) {
+              var greatValue = f(a[great]);
+              if (greatValue > pivotValue2) {
+                great--;
+                if (great < k) break;
+                // This is the only location inside the loop where a new
+                // iteration is started.
+                continue;
+              } else {
+                // a[great] <= pivot2.
+                if (greatValue < pivotValue1) {
+                  // Triple exchange.
+                  a[k] = a[less];
+                  a[less++] = a[great];
+                  a[great--] = ek;
+                } else {
+                  // a[great] >= pivot1.
+                  a[k] = a[great];
+                  a[great--] = ek;
+                }
+                break;
+              }
+            }
+          }
+        }
+      }
+    }
+
+    // Move pivots into their final positions.
+    // We shrunk the list from both sides (a[left] and a[right] have
+    // meaningless values in them) and now we move elements from the first
+    // and third partition into these locations so that we can store the
+    // pivots.
+    a[lo] = a[less - 1];
+    a[less - 1] = pivot1;
+    a[hi - 1] = a[great + 1];
+    a[great + 1] = pivot2;
+
+    // The list is now partitioned into three partitions:
+    // [ < pivot1   | >= pivot1 && <= pivot2   |  > pivot2   ]
+    //  ^            ^                        ^             ^
+    // left         less                     great        right
+
+    // Recursive descent. (Don't include the pivot values.)
+    sort(a, lo, less - 1);
+    sort(a, great + 2, hi);
+
+    if (pivotsEqual) {
+      // All elements in the second partition are equal to the pivot. No
+      // need to sort them.
+      return a;
+    }
+
+    // In theory it should be enough to call _doSort recursively on the second
+    // partition.
+    // The Android source however removes the pivot elements from the recursive
+    // call if the second partition is too large (more than 2/3 of the list).
+    if (less < i1 && great > i5) {
+      var lessValue, greatValue;
+      while ((lessValue = f(a[less])) <= pivotValue1 && lessValue >= pivotValue1) ++less;
+      while ((greatValue = f(a[great])) <= pivotValue2 && greatValue >= pivotValue2) --great;
+
+      // Copy paste of the previous 3-way partitioning with adaptions.
+      //
+      // We partition the list into three parts:
+      //  1. == pivot1
+      //  2. > pivot1 && < pivot2
+      //  3. == pivot2
+      //
+      // During the loop we have:
+      // [ == pivot1 | > pivot1 && < pivot2 | unpartitioned  | == pivot2 ]
+      //              ^                      ^              ^
+      //            less                     k              great
+      //
+      // Invariants:
+      //   1. for x in [ *, less[ : x == pivot1
+      //   2. for x in [less, k[ : pivot1 < x && x < pivot2
+      //   3. for x in ]great, * ] : x == pivot2
+      for (var k = less; k <= great; k++) {
+        var ek = a[k], xk = f(ek);
+        if (xk <= pivotValue1 && xk >= pivotValue1) {
+          if (k !== less) {
+            a[k] = a[less];
+            a[less] = ek;
+          }
+          less++;
+        } else {
+          if (xk <= pivotValue2 && xk >= pivotValue2) {
+            while (true) {
+              var greatValue = f(a[great]);
+              if (greatValue <= pivotValue2 && greatValue >= pivotValue2) {
+                great--;
+                if (great < k) break;
+                // This is the only location inside the loop where a new
+                // iteration is started.
+                continue;
+              } else {
+                // a[great] < pivot2.
+                if (greatValue < pivotValue1) {
+                  // Triple exchange.
+                  a[k] = a[less];
+                  a[less++] = a[great];
+                  a[great--] = ek;
+                } else {
+                  // a[great] == pivot1.
+                  a[k] = a[great];
+                  a[great--] = ek;
+                }
+                break;
+              }
+            }
+          }
+        }
+      }
+    }
+
+    // The second partition has now been cleared of pivot elements and looks
+    // as follows:
+    // [  *  |  > pivot1 && < pivot2  | * ]
+    //        ^                      ^
+    //       less                  great
+    // Sort the second partition using recursive descent.
+
+    // The second partition looks as follows:
+    // [  *  |  >= pivot1 && <= pivot2  | * ]
+    //        ^                        ^
+    //       less                    great
+    // Simply sort it by recursive descent.
+
+    return sort(a, less, great + 1);
+  }
+
+  return sort;
+}
+
+var quicksort_sizeThreshold = 32;
+var crossfilter_array8 = crossfilter_arrayUntyped,
+    crossfilter_array16 = crossfilter_arrayUntyped,
+    crossfilter_array32 = crossfilter_arrayUntyped,
+    crossfilter_arrayLengthen = crossfilter_identity,
+    crossfilter_arrayWiden = crossfilter_identity;
+
+if (typeof Uint8Array !== "undefined") {
+  crossfilter_array8 = function(n) { return new Uint8Array(n); };
+  crossfilter_array16 = function(n) { return new Uint16Array(n); };
+  crossfilter_array32 = function(n) { return new Uint32Array(n); };
+
+  crossfilter_arrayLengthen = function(array, length) {
+    var copy = new array.constructor(length);
+    copy.set(array);
+    return copy;
+  };
+
+  crossfilter_arrayWiden = function(array, width) {
+    var copy;
+    switch (width) {
+      case 16: copy = crossfilter_array16(array.length); break;
+      case 32: copy = crossfilter_array32(array.length); break;
+      default: throw new Error("invalid array width!");
+    }
+    copy.set(array);
+    return copy;
+  };
+}
+
+function crossfilter_arrayUntyped(n) {
+  return new Array(n);
+}
+function crossfilter_filterExact(bisect, value) {
+  return function(values) {
+    var n = values.length;
+    return [bisect.left(values, value, 0, n), bisect.right(values, value, 0, n)];
+  };
+}
+
+function crossfilter_filterRange(bisect, range) {
+  var min = range[0],
+      max = range[1];
+  return function(values) {
+    var n = values.length;
+    return [bisect.left(values, min, 0, n), bisect.left(values, max, 0, n)];
+  };
+}
+
+function crossfilter_filterAll(values) {
+  return [0, values.length];
+}
+function crossfilter_null() {
+  return null;
+}
+function crossfilter_zero() {
+  return 0;
+}
+function crossfilter_reduceIncrement(p) {
+  return p + 1;
+}
+
+function crossfilter_reduceDecrement(p) {
+  return p - 1;
+}
+
+function crossfilter_reduceAdd(f) {
+  return function(p, v) {
+    return p + +f(v);
+  };
+}
+
+function crossfilter_reduceSubtract(f) {
+  return function(p, v) {
+    return p - f(v);
+  };
+}
+exports.crossfilter = crossfilter;
+
+function crossfilter() {
+  var crossfilter = {
+    add: add,
+    dimension: dimension,
+    groupAll: groupAll,
+    size: size
+  };
+
+  var data = [], // the records
+      n = 0, // the number of records; data.length
+      m = 0, // number of dimensions in use
+      M = 8, // number of dimensions that can fit in `filters`
+      filters = crossfilter_array8(0), // M bits per record; 1 is filtered out
+      filterListeners = [], // when the filters change
+      dataListeners = []; // when data is added
+
+  // Adds the specified new records to this crossfilter.
+  function add(newData) {
+    var n0 = n,
+        n1 = newData.length;
+
+    // If there's actually new data to add…
+    // Merge the new data into the existing data.
+    // Lengthen the filter bitset to handle the new records.
+    // Notify listeners (dimensions and groups) that new data is available.
+    if (n1) {
+      data = data.concat(newData);
+      filters = crossfilter_arrayLengthen(filters, n += n1);
+      dataListeners.forEach(function(l) { l(newData, n0, n1); });
+    }
+
+    return crossfilter;
+  }
+
+  // Adds a new dimension with the specified value accessor function.
+  function dimension(value) {
+    var dimension = {
+      filter: filter,
+      filterExact: filterExact,
+      filterRange: filterRange,
+      filterAll: filterAll,
+      top: top,
+      group: group,
+      groupAll: groupAll
+    };
+
+    var one = 1 << m++, // bit mask, e.g., 00001000
+        zero = ~one, // inverted one, e.g., 11110111
+        values, // sorted, cached array
+        index, // value rank ↦ object id
+        newValues, // temporary array storing newly-added values
+        newIndex, // temporary array storing newly-added index
+        sort = quicksort_by(function(i) { return newValues[i]; }),
+        refilter = crossfilter_filterAll, // for recomputing filter
+        indexListeners = [], // when data is added
+        lo0 = 0,
+        hi0 = 0;
+
+    // Updating a dimension is a two-stage process. First, we must update the
+    // associated filters for the newly-added records. Once all dimensions have
+    // updated their filters, the groups are notified to update.
+    dataListeners.unshift(preAdd);
+    dataListeners.push(postAdd);
+
+    // Incorporate any existing data into this dimension, and make sure that the
+    // filter bitset is wide enough to handle the new dimension.
+    if (m > M) filters = crossfilter_arrayWiden(filters, M <<= 1);
+    preAdd(data, 0, n);
+    postAdd(data, 0, n);
+
+    // Incorporates the specified new records into this dimension.
+    // This function is responsible for updating filters, values, and index.
+    function preAdd(newData, n0, n1) {
+
+      // Permute new values into natural order using a sorted index.
+      newValues = newData.map(value);
+      newIndex = sort(crossfilter_range(n1), 0, n1);
+      newValues = permute(newValues, newIndex);
+
+      // Bisect newValues to determine which new records are selected.
+      var bounds = refilter(newValues), lo1 = bounds[0], hi1 = bounds[1], i;
+      for (i = 0; i < lo1; ++i) filters[newIndex[i] + n0] |= one;
+      for (i = hi1; i < n1; ++i) filters[newIndex[i] + n0] |= one;
+
+      // If this dimension previously had no data, then we don't need to do the
+      // more expensive merge operation; use the new values and index as-is.
+      if (!n0) {
+        values = newValues;
+        index = newIndex;
+        lo0 = lo1;
+        hi0 = hi1;
+        return;
+      }
+
+      var oldValues = values,
+          oldIndex = index,
+          i0 = 0,
+          i1 = 0;
+
+      // Otherwise, create new arrays into which to merge new and old.
+      values = new Array(n);
+      index = crossfilter_index(n, n);
+
+      // Merge the old and new sorted values, and old and new index.
+      for (i = 0; i0 < n0 && i1 < n1; ++i) {
+        if (oldValues[i0] < newValues[i1]) {
+          values[i] = oldValues[i0];
+          index[i] = oldIndex[i0++];
+        } else {
+          values[i] = newValues[i1];
+          index[i] = newIndex[i1++] + n0;
+        }
+      }
+
+      // Add any remaining old values.
+      for (; i0 < n0; ++i0, ++i) {
+        values[i] = oldValues[i0];
+        index[i] = oldIndex[i0];
+      }
+
+      // Add any remaining new values.
+      for (; i1 < n1; ++i1, ++i) {
+        values[i] = newValues[i1];
+        index[i] = newIndex[i1] + n0;
+      }
+
+      // Bisect again to recompute lo0 and hi0.
+      bounds = refilter(values), lo0 = bounds[0], hi0 = bounds[1];
+    }
+
+    // When all filters have updated, notify index listeners of the new values.
+    function postAdd(newData, n0, n1) {
+      indexListeners.forEach(function(l) { l(newValues, newIndex, n0, n1); });
+      newValues = newIndex = null;
+    }
+
+    // Updates the selected values based on the specified bounds [lo, hi].
+    // This implementation is used by all the public filter methods.
+    function filterIndex(bounds) {
+      var i,
+          j,
+          k,
+          lo1 = bounds[0],
+          hi1 = bounds[1],
+          added = [],
+          removed = [];
+
+      // Fast incremental update based on previous lo index.
+      if (lo1 < lo0) {
+        for (i = lo1, j = Math.min(lo0, hi1); i < j; ++i) {
+          filters[k = index[i]] ^= one;
+          added.push(k);
+        }
+      } else if (lo1 > lo0) {
+        for (i = lo0, j = Math.min(lo1, hi0); i < j; ++i) {
+          filters[k = index[i]] ^= one;
+          removed.push(k);
+        }
+      }
+
+      // Fast incremental update based on previous hi index.
+      if (hi1 > hi0) {
+        for (i = Math.max(lo1, hi0), j = hi1; i < j; ++i) {
+          filters[k = index[i]] ^= one;
+          added.push(k);
+        }
+      } else if (hi1 < hi0) {
+        for (i = Math.max(lo0, hi1), j = hi0; i < j; ++i) {
+          filters[k = index[i]] ^= one;
+          removed.push(k);
+        }
+      }
+
+      lo0 = lo1;
+      hi0 = hi1;
+      filterListeners.forEach(function(l) { l(one, added, removed); });
+      return dimension;
+    }
+
+    // Filters this dimension using the specified range, value, or null.
+    // If the range is null, this is equivalent to filterAll.
+    // If the range is an array, this is equivalent to filterRange.
+    // Otherwise, this is equivalent to filterExact.
+    function filter(range) {
+      return range == null
+          ? filterAll() : Array.isArray(range)
+          ? filterRange(range)
+          : filterExact(range);
+    }
+
+    // Filters this dimension to select the exact value.
+    function filterExact(value) {
+      return filterIndex((refilter = crossfilter_filterExact(bisect, value))(values));
+    }
+
+    // Filters this dimension to select the specified range [lo, hi].
+    // The lower bound is inclusive, and the upper bound is exclusive.
+    function filterRange(range) {
+      return filterIndex((refilter = crossfilter_filterRange(bisect, range))(values));
+    }
+
+    // Clears any filters on this dimension.
+    function filterAll() {
+      return filterIndex((refilter = crossfilter_filterAll)(values));
+    }
+
+    // Returns the top K selected records, based on this dimension's order.
+    // Note: observes this dimension's filter, unlike group and groupAll.
+    function top(k) {
+      var array = [],
+          i = hi0,
+          j;
+
+      while (--i >= lo0 && k > 0) {
+        if (!filters[j = index[i]]) {
+          array.push(data[j]);
+          --k;
+        }
+      }
+
+      return array;
+    }
+
+    // Adds a new group to this dimension, using the specified key function.
+    function group(key) {
+      var group = {
+        top: top,
+        all: all,
+        reduce: reduce,
+        reduceCount: reduceCount,
+        reduceSum: reduceSum,
+        order: order,
+        orderNatural: orderNatural,
+        size: size
+      };
+
+      var groups, // array of {key, value}
+          groupIndex, // object id ↦ group id
+          groupWidth = 8,
+          groupCapacity = crossfilter_capacity(groupWidth),
+          k = 0, // cardinality
+          select,
+          heap,
+          reduceAdd,
+          reduceRemove,
+          reduceInitial,
+          update = crossfilter_null,
+          reset = crossfilter_null,
+          resetNeeded = true;
+
+      if (arguments.length < 1) key = crossfilter_identity;
+
+      // The group listens to the crossfilter for when any dimension changes, so
+      // that it can update the associated reduce values. It must also listen to
+      // the parent dimension for when data is added, and compute new keys.
+      filterListeners.push(update);
+      indexListeners.push(add);
+
+      // Incorporate any existing data into the grouping.
+      add(values, index, 0, n);
+
+      // Incorporates the specified new values into this group.
+      // This function is responsible for updating groups and groupIndex.
+      function add(newValues, newIndex, n0, n1) {
+        var oldGroups = groups,
+            reIndex = crossfilter_index(k, groupCapacity),
+            add = reduceAdd,
+            initial = reduceInitial,
+            k0 = k, // old cardinality
+            i0 = 0, // index of old group
+            i1 = 0, // index of new record
+            j, // object id
+            g0, // old group
+            x0, // old key
+            x1, // new key
+            g, // group to add
+            x; // key of group to add
+
+        // If a reset is needed, we don't need to update the reduce values.
+        if (resetNeeded) add = initial = crossfilter_null;
+
+        // Reset the new groups (k is a lower bound).
+        // Also, make sure that groupIndex exists and is long enough.
+        groups = new Array(k), k = 0;
+        groupIndex = k0 > 1 ? crossfilter_arrayLengthen(groupIndex, n) : crossfilter_index(n, groupCapacity);
+
+        // Get the first old key (x0 of g0), if it exists.
+        if (k0) x0 = (g0 = oldGroups[0]).key;
+
+        // Find the first new key (x1), skipping NaN keys.
+        while (i1 < n1 && !((x1 = key(newValues[i1])) >= x1)) ++i1;
+
+        // While new keys remain…
+        while (i1 < n1) {
+
+          // Determine the lesser of the two current keys; new and old.
+          // If there are no old keys remaining, then always add the new key.
+          if (g0 && x0 <= x1) {
+            g = g0, x = x0;
+
+            // Record the new index of the old group.
+            reIndex[i0] = k;
+
+            // Retrieve the next old key.
+            if (g0 = oldGroups[++i0]) x0 = g0.key;
+          } else {
+            g = {key: x1, value: initial()}, x = x1;
+          }
+
+          // Add the lesser group.
+          groups[k] = g;
+
+          // Add any selected records belonging to the added group, while
+          // advancing the new key and populating the associated group index.
+          while (!(x1 > x)) {
+            groupIndex[j = newIndex[i1] + n0] = k;
+            if (!(filters[j] & zero)) g.value = add(g.value, data[j]);
+            if (++i1 >= n1) break;
+            x1 = key(newValues[i1]);
+          }
+
+          groupIncrement();
+        }
+
+        // Add any remaining old groups that were greater than all new keys.
+        // No incremental reduce is needed; these groups have no new records.
+        // Also record the new index of the old group.
+        while (i0 < k0) {
+          groups[reIndex[i0] = k] = oldGroups[i0++];
+          groupIncrement();
+        }
+
+        // If we added any new groups before any old groups,
+        // update the group index of all the old records.
+        if (k > i0) for (i0 = 0; i0 < n0; ++i0) {
+          groupIndex[i0] = reIndex[groupIndex[i0]];
+        }
+
+        // Modify the update and reset behavior based on the cardinality.
+        // If the cardinality is less than or equal to one, then the groupIndex
+        // is not needed. If the cardinality is zero, then there are no records
+        // and therefore no groups to update or reset. Note that we also must
+        // change the registered listener to point to the new method.
+        j = filterListeners.indexOf(update);
+        if (k > 1) {
+          update = updateMany;
+          reset = resetMany;
+        } else {
+          if (k === 1) {
+            update = updateOne;
+            reset = resetOne;
+          } else {
+            update = crossfilter_null;
+            reset = crossfilter_null;
+          }
+          groupIndex = null;
+        }
+        filterListeners[j] = update;
+
+        // Count the number of added groups,
+        // and widen the group index as needed.
+        function groupIncrement() {
+          if (++k === groupCapacity) {
+            reIndex = crossfilter_arrayWiden(reIndex, groupWidth <<= 1);
+            groupIndex = crossfilter_arrayWiden(groupIndex, groupWidth);
+            groupCapacity = crossfilter_capacity(groupWidth);
+          }
+        }
+      }
+
+      // Reduces the specified selected or deselected records.
+      // This function is only used when the cardinality is greater than 1.
+      function updateMany(filterOne, added, removed) {
+        if (filterOne === one || resetNeeded) return;
+
+        var i,
+            k,
+            n,
+            g;
+
+        // Add the added values.
+        for (i = 0, n = added.length; i < n; ++i) {
+          if (!(filters[k = added[i]] & zero)) {
+            g = groups[groupIndex[k]];
+            g.value = reduceAdd(g.value, data[k]);
+          }
+        }
+
+        // Remove the removed values.
+        for (i = 0, n = removed.length; i < n; ++i) {
+          if ((filters[k = removed[i]] & zero) === filterOne) {
+            g = groups[groupIndex[k]];
+            g.value = reduceRemove(g.value, data[k]);
+          }
+        }
+      }
+
+      // Reduces the specified selected or deselected records.
+      // This function is only used when the cardinality is 1.
+      function updateOne(filterOne, added, removed) {
+        if (filterOne === one || resetNeeded) return;
+
+        var i,
+            k,
+            n,
+            g = groups[0];
+
+        // Add the added values.
+        for (i = 0, n = added.length; i < n; ++i) {
+          if (!(filters[k = added[i]] & zero)) {
+            g.value = reduceAdd(g.value, data[k]);
+          }
+        }
+
+        // Remove the removed values.
+        for (i = 0, n = removed.length; i < n; ++i) {
+          if ((filters[k = removed[i]] & zero) === filterOne) {
+            g.value = reduceRemove(g.value, data[k]);
+          }
+        }
+      }
+
+      // Recomputes the group reduce values from scratch.
+      // This function is only used when the cardinality is greater than 1.
+      function resetMany() {
+        var i,
+            g;
+
+        // Reset all group values.
+        for (i = 0; i < k; ++i) {
+          groups[i].value = reduceInitial();
+        }
+
+        // Add any selected records.
+        for (i = 0; i < n; ++i) {
+          if (!(filters[i] & zero)) {
+            g = groups[groupIndex[i]];
+            g.value = reduceAdd(g.value, data[i]);
+          }
+        }
+      }
+
+      // Recomputes the group reduce values from scratch.
+      // This function is only used when the cardinality is 1.
+      function resetOne() {
+        var i,
+            g = groups[0];
+
+        // Reset the singleton group values.
+        g.value = reduceInitial();
+
+        // Add any selected records.
+        for (i = 0; i < n; ++i) {
+          if (!(filters[i] & zero)) {
+            g.value = reduceAdd(g.value, data[i]);
+          }
+        }
+      }
+
+      // Returns the array of group values, in the dimension's natural order.
+      function all() {
+        if (resetNeeded) reset(), resetNeeded = false;
+        return groups;
+      }
+
+      // Returns a new array containing the top K group values, in reduce order.
+      function top(k) {
+        var top = select(all(), 0, groups.length, k);
+        return heap.sort(top, 0, top.length);
+      }
+
+      // Sets the reduce behavior for this group to use the specified functions.
+      // This method lazily recomputes the reduce values, waiting until needed.
+      function reduce(add, remove, initial) {
+        reduceAdd = add;
+        reduceRemove = remove;
+        reduceInitial = initial;
+        resetNeeded = true;
+        return group;
+      }
+
+      // A convenience method for reducing by count.
+      function reduceCount() {
+        return reduce(crossfilter_reduceIncrement, crossfilter_reduceDecrement, crossfilter_zero);
+      }
+
+      // A convenience method for reducing by sum(value).
+      function reduceSum(value) {
+        return reduce(crossfilter_reduceAdd(value), crossfilter_reduceSubtract(value), crossfilter_zero);
+      }
+
+      // Sets the reduce order, using the specified accessor.
+      function order(value) {
+        select = heapselect_by(valueOf);
+        heap = heap_by(valueOf);
+        function valueOf(d) { return value(d.value); }
+        return group;
+      }
+
+      // A convenience method for natural ordering by reduce value.
+      function orderNatural() {
+        return order(crossfilter_identity);
+      }
+
+      // Returns the cardinality of this group, irrespective of any filters.
+      function size() {
+        return k;
+      }
+
+      return reduceCount().orderNatural();
+    }
+
+    // A convenience function for generating a singleton group.
+    function groupAll() {
+      var g = group(crossfilter_null), all = g.all;
+      delete g.all;
+      delete g.top;
+      delete g.order;
+      delete g.orderNatural;
+      delete g.size;
+      g.value = function() { return all()[0].value; };
+      return g;
+    }
+
+    return dimension;
+  }
+
+  // A convenience method for groupAll on a dummy dimension.
+  // This implementation can be optimized since it is always cardinality 1.
+  function groupAll() {
+    var group = {
+      reduce: reduce,
+      reduceCount: reduceCount,
+      reduceSum: reduceSum,
+      value: value
+    };
+
+    var reduceValue,
+        reduceAdd,
+        reduceRemove,
+        reduceInitial,
+        resetNeeded = true;
+
+    // The group listens to the crossfilter for when any dimension changes, so
+    // that it can update the reduce value. It must also listen to the parent
+    // dimension for when data is added.
+    filterListeners.push(update);
+    dataListeners.push(add);
+
+    // For consistency; actually a no-op since resetNeeded is true.
+    add(data, 0, n);
+
+    // Incorporates the specified new values into this group.
+    function add(newData, n0, n1) {
+      var i;
+
+      if (resetNeeded) return;
+
+      // Add the added values.
+      for (i = n0; i < n; ++i) {
+        if (!filters[i]) {
+          reduceValue = reduceAdd(reduceValue, data[i]);
+        }
+      }
+    }
+
+    // Reduces the specified selected or deselected records.
+    function update(filterOne, added, removed) {
+      var i,
+          k,
+          n;
+
+      if (resetNeeded) return;
+
+      // Add the added values.
+      for (i = 0, n = added.length; i < n; ++i) {
+        if (!filters[k = added[i]]) {
+          reduceValue = reduceAdd(reduceValue, data[k]);
+        }
+      }
+
+      // Remove the removed values.
+      for (i = 0, n = removed.length; i < n; ++i) {
+        if (filters[k = removed[i]] === filterOne) {
+          reduceValue = reduceRemove(reduceValue, data[k]);
+        }
+      }
+    }
+
+    // Recomputes the group reduce value from scratch.
+    function reset() {
+      var i;
+
+      reduceValue = reduceInitial();
+
+      for (i = 0; i < n; ++i) {
+        if (!filters[i]) {
+          reduceValue = reduceAdd(reduceValue, data[i]);
+        }
+      }
+    }
+
+    // Sets the reduce behavior for this group to use the specified functions.
+    // This method lazily recomputes the reduce value, waiting until needed.
+    function reduce(add, remove, initial) {
+      reduceAdd = add;
+      reduceRemove = remove;
+      reduceInitial = initial;
+      resetNeeded = true;
+      return group;
+    }
+
+    // A convenience method for reducing by count.
+    function reduceCount() {
+      return reduce(crossfilter_reduceIncrement, crossfilter_reduceDecrement, crossfilter_zero);
+    }
+
+    // A convenience method for reducing by sum(value).
+    function reduceSum(value) {
+      return reduce(crossfilter_reduceAdd(value), crossfilter_reduceSubtract(value), crossfilter_zero);
+    }
+
+    // Returns the computed reduce value.
+    function value() {
+      if (resetNeeded) reset(), resetNeeded = false;
+      return reduceValue;
+    }
+
+    return reduceCount();
+  }
+
+  // Returns the number of records in this crossfilter, irrespective of any filters.
+  function size() {
+    return n;
+  }
+
+  return arguments.length
+      ? add(arguments[0])
+      : crossfilter;
+}
+
+// Returns an array of size n, big enough to store ids up to m.
+function crossfilter_index(n, m) {
+  return (m < 0x101
+      ? crossfilter_array8 : m < 0x10001
+      ? crossfilter_array16
+      : crossfilter_array32)(n);
+}
+
+// Constructs a new array of size n, with sequential values from 0 to n - 1.
+function crossfilter_range(n) {
+  var range = crossfilter_index(n, n);
+  for (var i = -1; ++i < n;) range[i] = i;
+  return range;
+}
+
+function crossfilter_capacity(w) {
+  return w === 8
+      ? 0x100 : w === 16
+      ? 0x10000
+      : 0x100000000;
+}
+})(this);
diff --git a/wqflask/wqflask/static/packages/novus-nvd3-d51729c/lib/crossfilter.min.js b/wqflask/wqflask/static/packages/novus-nvd3-d51729c/lib/crossfilter.min.js
new file mode 100755
index 00000000..981f0d64
--- /dev/null
+++ b/wqflask/wqflask/static/packages/novus-nvd3-d51729c/lib/crossfilter.min.js
@@ -0,0 +1 @@
+(function(a){function b(a){return a}function c(a,b){for(var c=0,d=b.length,e=new Array(d);c<d;++c)e[c]=a[b[c]];return e}function e(a){function b(b,c,d,e){while(d<e){var f=d+e>>1;a(b[f])<c?d=f+1:e=f}return d}function c(b,c,d,e){while(d<e){var f=d+e>>1;c<a(b[f])?e=f:d=f+1}return d}return c.right=c,c.left=b,c}function g(a){function b(a,b,c){var e=c-b,f=(e>>>1)+1;while(--f>0)d(a,f,e,b);return a}function c(a,b,c){var e=c-b,f;while(--e>0)f=a[b],a[b]=a[b+e],a[b+e]=f,d(a,1,e,b);return a}function d(b,c,d,e){var f=b[--e+c],g=a(f),h;while((h=c<<1)<=d){h<d&&a(b[e+h])>a(b[e+h+1])&&h++;if(g<=a(b[e+h]))break;b[e+c]=b[e+h],c=h}b[e+c]=f}return b.sort=c,b}function i(a){function c(c,d,e,f){var g=new Array(f=Math.min(e-d,f)),h,i,j,k;for(i=0;i<f;++i)g[i]=c[d++];b(g,0,f);if(d<e){h=a(g[0]);do if(j=a(k=c[d])>h)g[0]=k,h=a(b(g,0,f)[0]);while(++d<e)}return g}var b=g(a);return c}function k(a){function b(b,c,d){for(var e=c+1;e<d;++e){for(var f=e,g=b[e],h=a(g);f>c&&a(b[f-1])>h;--f)b[f]=b[f-1];b[f]=g}return 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diff --git a/wqflask/wqflask/static/packages/novus-nvd3-d51729c/lib/d3.v2.js b/wqflask/wqflask/static/packages/novus-nvd3-d51729c/lib/d3.v2.js
new file mode 100755
index 00000000..714656b3
--- /dev/null
+++ b/wqflask/wqflask/static/packages/novus-nvd3-d51729c/lib/d3.v2.js
@@ -0,0 +1,7033 @@
+(function() {
+  function d3_class(ctor, properties) {
+    try {
+      for (var key in properties) {
+        Object.defineProperty(ctor.prototype, key, {
+          value: properties[key],
+          enumerable: false
+        });
+      }
+    } catch (e) {
+      ctor.prototype = properties;
+    }
+  }
+  function d3_arrayCopy(pseudoarray) {
+    var i = -1, n = pseudoarray.length, array = [];
+    while (++i < n) array.push(pseudoarray[i]);
+    return array;
+  }
+  function d3_arraySlice(pseudoarray) {
+    return Array.prototype.slice.call(pseudoarray);
+  }
+  function d3_Map() {}
+  function d3_identity(d) {
+    return d;
+  }
+  function d3_this() {
+    return this;
+  }
+  function d3_true() {
+    return true;
+  }
+  function d3_functor(v) {
+    return typeof v === "function" ? v : function() {
+      return v;
+    };
+  }
+  function d3_rebind(target, source, method) {
+    return function() {
+      var value = method.apply(source, arguments);
+      return arguments.length ? target : value;
+    };
+  }
+  function d3_number(x) {
+    return x != null && !isNaN(x);
+  }
+  function d3_zipLength(d) {
+    return d.length;
+  }
+  function d3_splitter(d) {
+    return d == null;
+  }
+  function d3_collapse(s) {
+    return s.trim().replace(/\s+/g, " ");
+  }
+  function d3_range_integerScale(x) {
+    var k = 1;
+    while (x * k % 1) k *= 10;
+    return k;
+  }
+  function d3_dispatch() {}
+  function d3_dispatch_event(dispatch) {
+    function event() {
+      var z = listeners, i = -1, n = z.length, l;
+      while (++i < n) if (l = z[i].on) l.apply(this, arguments);
+      return dispatch;
+    }
+    var listeners = [], listenerByName = new d3_Map;
+    event.on = function(name, listener) {
+      var l = listenerByName.get(name), i;
+      if (arguments.length < 2) return l && l.on;
+      if (l) {
+        l.on = null;
+        listeners = listeners.slice(0, i = listeners.indexOf(l)).concat(listeners.slice(i + 1));
+        listenerByName.remove(name);
+      }
+      if (listener) listeners.push(listenerByName.set(name, {
+        on: listener
+      }));
+      return dispatch;
+    };
+    return event;
+  }
+  function d3_format_precision(x, p) {
+    return p - (x ? 1 + Math.floor(Math.log(x + Math.pow(10, 1 + Math.floor(Math.log(x) / Math.LN10) - p)) / Math.LN10) : 1);
+  }
+  function d3_format_typeDefault(x) {
+    return x + "";
+  }
+  function d3_format_group(value) {
+    var i = value.lastIndexOf("."), f = i >= 0 ? value.substring(i) : (i = value.length, ""), t = [];
+    while (i > 0) t.push(value.substring(i -= 3, i + 3));
+    return t.reverse().join(",") + f;
+  }
+  function d3_formatPrefix(d, i) {
+    var k = Math.pow(10, Math.abs(8 - i) * 3);
+    return {
+      scale: i > 8 ? function(d) {
+        return d / k;
+      } : function(d) {
+        return d * k;
+      },
+      symbol: d
+    };
+  }
+  function d3_ease_clamp(f) {
+    return function(t) {
+      return t <= 0 ? 0 : t >= 1 ? 1 : f(t);
+    };
+  }
+  function d3_ease_reverse(f) {
+    return function(t) {
+      return 1 - f(1 - t);
+    };
+  }
+  function d3_ease_reflect(f) {
+    return function(t) {
+      return .5 * (t < .5 ? f(2 * t) : 2 - f(2 - 2 * t));
+    };
+  }
+  function d3_ease_identity(t) {
+    return t;
+  }
+  function d3_ease_poly(e) {
+    return function(t) {
+      return Math.pow(t, e);
+    };
+  }
+  function d3_ease_sin(t) {
+    return 1 - Math.cos(t * Math.PI / 2);
+  }
+  function d3_ease_exp(t) {
+    return Math.pow(2, 10 * (t - 1));
+  }
+  function d3_ease_circle(t) {
+    return 1 - Math.sqrt(1 - t * t);
+  }
+  function d3_ease_elastic(a, p) {
+    var s;
+    if (arguments.length < 2) p = .45;
+    if (arguments.length < 1) {
+      a = 1;
+      s = p / 4;
+    } else s = p / (2 * Math.PI) * Math.asin(1 / a);
+    return function(t) {
+      return 1 + a * Math.pow(2, 10 * -t) * Math.sin((t - s) * 2 * Math.PI / p);
+    };
+  }
+  function d3_ease_back(s) {
+    if (!s) s = 1.70158;
+    return function(t) {
+      return t * t * ((s + 1) * t - s);
+    };
+  }
+  function d3_ease_bounce(t) {
+    return t < 1 / 2.75 ? 7.5625 * t * t : t < 2 / 2.75 ? 7.5625 * (t -= 1.5 / 2.75) * t + .75 : t < 2.5 / 2.75 ? 7.5625 * (t -= 2.25 / 2.75) * t + .9375 : 7.5625 * (t -= 2.625 / 2.75) * t + .984375;
+  }
+  function d3_eventCancel() {
+    d3.event.stopPropagation();
+    d3.event.preventDefault();
+  }
+  function d3_eventSource() {
+    var e = d3.event, s;
+    while (s = e.sourceEvent) e = s;
+    return e;
+  }
+  function d3_eventDispatch(target) {
+    var dispatch = new d3_dispatch, i = 0, n = arguments.length;
+    while (++i < n) dispatch[arguments[i]] = d3_dispatch_event(dispatch);
+    dispatch.of = function(thiz, argumentz) {
+      return function(e1) {
+        try {
+          var e0 = e1.sourceEvent = d3.event;
+          e1.target = target;
+          d3.event = e1;
+          dispatch[e1.type].apply(thiz, argumentz);
+        } finally {
+          d3.event = e0;
+        }
+      };
+    };
+    return dispatch;
+  }
+  function d3_transform(m) {
+    var r0 = [ m.a, m.b ], r1 = [ m.c, m.d ], kx = d3_transformNormalize(r0), kz = d3_transformDot(r0, r1), ky = d3_transformNormalize(d3_transformCombine(r1, r0, -kz)) || 0;
+    if (r0[0] * r1[1] < r1[0] * r0[1]) {
+      r0[0] *= -1;
+      r0[1] *= -1;
+      kx *= -1;
+      kz *= -1;
+    }
+    this.rotate = (kx ? Math.atan2(r0[1], r0[0]) : Math.atan2(-r1[0], r1[1])) * d3_transformDegrees;
+    this.translate = [ m.e, m.f ];
+    this.scale = [ kx, ky ];
+    this.skew = ky ? Math.atan2(kz, ky) * d3_transformDegrees : 0;
+  }
+  function d3_transformDot(a, b) {
+    return a[0] * b[0] + a[1] * b[1];
+  }
+  function d3_transformNormalize(a) {
+    var k = Math.sqrt(d3_transformDot(a, a));
+    if (k) {
+      a[0] /= k;
+      a[1] /= k;
+    }
+    return k;
+  }
+  function d3_transformCombine(a, b, k) {
+    a[0] += k * b[0];
+    a[1] += k * b[1];
+    return a;
+  }
+  function d3_interpolateByName(name) {
+    return name == "transform" ? d3.interpolateTransform : d3.interpolate;
+  }
+  function d3_uninterpolateNumber(a, b) {
+    b = b - (a = +a) ? 1 / (b - a) : 0;
+    return function(x) {
+      return (x - a) * b;
+    };
+  }
+  function d3_uninterpolateClamp(a, b) {
+    b = b - (a = +a) ? 1 / (b - a) : 0;
+    return function(x) {
+      return Math.max(0, Math.min(1, (x - a) * b));
+    };
+  }
+  function d3_rgb(r, g, b) {
+    return new d3_Rgb(r, g, b);
+  }
+  function d3_Rgb(r, g, b) {
+    this.r = r;
+    this.g = g;
+    this.b = b;
+  }
+  function d3_rgb_hex(v) {
+    return v < 16 ? "0" + Math.max(0, v).toString(16) : Math.min(255, v).toString(16);
+  }
+  function d3_rgb_parse(format, rgb, hsl) {
+    var r = 0, g = 0, b = 0, m1, m2, name;
+    m1 = /([a-z]+)\((.*)\)/i.exec(format);
+    if (m1) {
+      m2 = m1[2].split(",");
+      switch (m1[1]) {
+       case "hsl":
+        {
+          return hsl(parseFloat(m2[0]), parseFloat(m2[1]) / 100, parseFloat(m2[2]) / 100);
+        }
+       case "rgb":
+        {
+          return rgb(d3_rgb_parseNumber(m2[0]), d3_rgb_parseNumber(m2[1]), d3_rgb_parseNumber(m2[2]));
+        }
+      }
+    }
+    if (name = d3_rgb_names.get(format)) return rgb(name.r, name.g, name.b);
+    if (format != null && format.charAt(0) === "#") {
+      if (format.length === 4) {
+        r = format.charAt(1);
+        r += r;
+        g = format.charAt(2);
+        g += g;
+        b = format.charAt(3);
+        b += b;
+      } else if (format.length === 7) {
+        r = format.substring(1, 3);
+        g = format.substring(3, 5);
+        b = format.substring(5, 7);
+      }
+      r = parseInt(r, 16);
+      g = parseInt(g, 16);
+      b = parseInt(b, 16);
+    }
+    return rgb(r, g, b);
+  }
+  function d3_rgb_hsl(r, g, b) {
+    var min = Math.min(r /= 255, g /= 255, b /= 255), max = Math.max(r, g, b), d = max - min, h, s, l = (max + min) / 2;
+    if (d) {
+      s = l < .5 ? d / (max + min) : d / (2 - max - min);
+      if (r == max) h = (g - b) / d + (g < b ? 6 : 0); else if (g == max) h = (b - r) / d + 2; else h = (r - g) / d + 4;
+      h *= 60;
+    } else {
+      s = h = 0;
+    }
+    return d3_hsl(h, s, l);
+  }
+  function d3_rgb_lab(r, g, b) {
+    r = d3_rgb_xyz(r);
+    g = d3_rgb_xyz(g);
+    b = d3_rgb_xyz(b);
+    var x = d3_xyz_lab((.4124564 * r + .3575761 * g + .1804375 * b) / d3_lab_X), y = d3_xyz_lab((.2126729 * r + .7151522 * g + .072175 * b) / d3_lab_Y), z = d3_xyz_lab((.0193339 * r + .119192 * g + .9503041 * b) / d3_lab_Z);
+    return d3_lab(116 * y - 16, 500 * (x - y), 200 * (y - z));
+  }
+  function d3_rgb_xyz(r) {
+    return (r /= 255) <= .04045 ? r / 12.92 : Math.pow((r + .055) / 1.055, 2.4);
+  }
+  function d3_rgb_parseNumber(c) {
+    var f = parseFloat(c);
+    return c.charAt(c.length - 1) === "%" ? Math.round(f * 2.55) : f;
+  }
+  function d3_hsl(h, s, l) {
+    return new d3_Hsl(h, s, l);
+  }
+  function d3_Hsl(h, s, l) {
+    this.h = h;
+    this.s = s;
+    this.l = l;
+  }
+  function d3_hsl_rgb(h, s, l) {
+    function v(h) {
+      if (h > 360) h -= 360; else if (h < 0) h += 360;
+      if (h < 60) return m1 + (m2 - m1) * h / 60;
+      if (h < 180) return m2;
+      if (h < 240) return m1 + (m2 - m1) * (240 - h) / 60;
+      return m1;
+    }
+    function vv(h) {
+      return Math.round(v(h) * 255);
+    }
+    var m1, m2;
+    h = h % 360;
+    if (h < 0) h += 360;
+    s = s < 0 ? 0 : s > 1 ? 1 : s;
+    l = l < 0 ? 0 : l > 1 ? 1 : l;
+    m2 = l <= .5 ? l * (1 + s) : l + s - l * s;
+    m1 = 2 * l - m2;
+    return d3_rgb(vv(h + 120), vv(h), vv(h - 120));
+  }
+  function d3_hcl(h, c, l) {
+    return new d3_Hcl(h, c, l);
+  }
+  function d3_Hcl(h, c, l) {
+    this.h = h;
+    this.c = c;
+    this.l = l;
+  }
+  function d3_hcl_lab(h, c, l) {
+    return d3_lab(l, Math.cos(h *= Math.PI / 180) * c, Math.sin(h) * c);
+  }
+  function d3_lab(l, a, b) {
+    return new d3_Lab(l, a, b);
+  }
+  function d3_Lab(l, a, b) {
+    this.l = l;
+    this.a = a;
+    this.b = b;
+  }
+  function d3_lab_rgb(l, a, b) {
+    var y = (l + 16) / 116, x = y + a / 500, z = y - b / 200;
+    x = d3_lab_xyz(x) * d3_lab_X;
+    y = d3_lab_xyz(y) * d3_lab_Y;
+    z = d3_lab_xyz(z) * d3_lab_Z;
+    return d3_rgb(d3_xyz_rgb(3.2404542 * x - 1.5371385 * y - .4985314 * z), d3_xyz_rgb(-.969266 * x + 1.8760108 * y + .041556 * z), d3_xyz_rgb(.0556434 * x - .2040259 * y + 1.0572252 * z));
+  }
+  function d3_lab_hcl(l, a, b) {
+    return d3_hcl(Math.atan2(b, a) / Math.PI * 180, Math.sqrt(a * a + b * b), l);
+  }
+  function d3_lab_xyz(x) {
+    return x > .206893034 ? x * x * x : (x - 4 / 29) / 7.787037;
+  }
+  function d3_xyz_lab(x) {
+    return x > .008856 ? Math.pow(x, 1 / 3) : 7.787037 * x + 4 / 29;
+  }
+  function d3_xyz_rgb(r) {
+    return Math.round(255 * (r <= .00304 ? 12.92 * r : 1.055 * Math.pow(r, 1 / 2.4) - .055));
+  }
+  function d3_selection(groups) {
+    d3_arraySubclass(groups, d3_selectionPrototype);
+    return groups;
+  }
+  function d3_selection_selector(selector) {
+    return function() {
+      return d3_select(selector, this);
+    };
+  }
+  function d3_selection_selectorAll(selector) {
+    return function() {
+      return d3_selectAll(selector, this);
+    };
+  }
+  function d3_selection_attr(name, value) {
+    function attrNull() {
+      this.removeAttribute(name);
+    }
+    function attrNullNS() {
+      this.removeAttributeNS(name.space, name.local);
+    }
+    function attrConstant() {
+      this.setAttribute(name, value);
+    }
+    function attrConstantNS() {
+      this.setAttributeNS(name.space, name.local, value);
+    }
+    function attrFunction() {
+      var x = value.apply(this, arguments);
+      if (x == null) this.removeAttribute(name); else this.setAttribute(name, x);
+    }
+    function attrFunctionNS() {
+      var x = value.apply(this, arguments);
+      if (x == null) this.removeAttributeNS(name.space, name.local); else this.setAttributeNS(name.space, name.local, x);
+    }
+    name = d3.ns.qualify(name);
+    return value == null ? name.local ? attrNullNS : attrNull : typeof value === "function" ? name.local ? attrFunctionNS : attrFunction : name.local ? attrConstantNS : attrConstant;
+  }
+  function d3_selection_classedRe(name) {
+    return new RegExp("(?:^|\\s+)" + d3.requote(name) + "(?:\\s+|$)", "g");
+  }
+  function d3_selection_classed(name, value) {
+    function classedConstant() {
+      var i = -1;
+      while (++i < n) name[i](this, value);
+    }
+    function classedFunction() {
+      var i = -1, x = value.apply(this, arguments);
+      while (++i < n) name[i](this, x);
+    }
+    name = name.trim().split(/\s+/).map(d3_selection_classedName);
+    var n = name.length;
+    return typeof value === "function" ? classedFunction : classedConstant;
+  }
+  function d3_selection_classedName(name) {
+    var re = d3_selection_classedRe(name);
+    return function(node, value) {
+      if (c = node.classList) return value ? c.add(name) : c.remove(name);
+      var c = node.className, cb = c.baseVal != null, cv = cb ? c.baseVal : c;
+      if (value) {
+        re.lastIndex = 0;
+        if (!re.test(cv)) {
+          cv = d3_collapse(cv + " " + name);
+          if (cb) c.baseVal = cv; else node.className = cv;
+        }
+      } else if (cv) {
+        cv = d3_collapse(cv.replace(re, " "));
+        if (cb) c.baseVal = cv; else node.className = cv;
+      }
+    };
+  }
+  function d3_selection_style(name, value, priority) {
+    function styleNull() {
+      this.style.removeProperty(name);
+    }
+    function styleConstant() {
+      this.style.setProperty(name, value, priority);
+    }
+    function styleFunction() {
+      var x = value.apply(this, arguments);
+      if (x == null) this.style.removeProperty(name); else this.style.setProperty(name, x, priority);
+    }
+    return value == null ? styleNull : typeof value === "function" ? styleFunction : styleConstant;
+  }
+  function d3_selection_property(name, value) {
+    function propertyNull() {
+      delete this[name];
+    }
+    function propertyConstant() {
+      this[name] = value;
+    }
+    function propertyFunction() {
+      var x = value.apply(this, arguments);
+      if (x == null) delete this[name]; else this[name] = x;
+    }
+    return value == null ? propertyNull : typeof value === "function" ? propertyFunction : propertyConstant;
+  }
+  function d3_selection_dataNode(data) {
+    return {
+      __data__: data
+    };
+  }
+  function d3_selection_filter(selector) {
+    return function() {
+      return d3_selectMatches(this, selector);
+    };
+  }
+  function d3_selection_sortComparator(comparator) {
+    if (!arguments.length) comparator = d3.ascending;
+    return function(a, b) {
+      return comparator(a && a.__data__, b && b.__data__);
+    };
+  }
+  function d3_selection_on(type, listener, capture) {
+    function onRemove() {
+      var wrapper = this[name];
+      if (wrapper) {
+        this.removeEventListener(type, wrapper, wrapper.$);
+        delete this[name];
+      }
+    }
+    function onAdd() {
+      function wrapper(e) {
+        var o = d3.event;
+        d3.event = e;
+        args[0] = node.__data__;
+        try {
+          listener.apply(node, args);
+        } finally {
+          d3.event = o;
+        }
+      }
+      var node = this, args = arguments;
+      onRemove.call(this);
+      this.addEventListener(type, this[name] = wrapper, wrapper.$ = capture);
+      wrapper._ = listener;
+    }
+    var name = "__on" + type, i = type.indexOf(".");
+    if (i > 0) type = type.substring(0, i);
+    return listener ? onAdd : onRemove;
+  }
+  function d3_selection_each(groups, callback) {
+    for (var j = 0, m = groups.length; j < m; j++) {
+      for (var group = groups[j], i = 0, n = group.length, node; i < n; i++) {
+        if (node = group[i]) callback(node, i, j);
+      }
+    }
+    return groups;
+  }
+  function d3_selection_enter(selection) {
+    d3_arraySubclass(selection, d3_selection_enterPrototype);
+    return selection;
+  }
+  function d3_transition(groups, id, time) {
+    d3_arraySubclass(groups, d3_transitionPrototype);
+    var tweens = new d3_Map, event = d3.dispatch("start", "end"), ease = d3_transitionEase;
+    groups.id = id;
+    groups.time = time;
+    groups.tween = function(name, tween) {
+      if (arguments.length < 2) return tweens.get(name);
+      if (tween == null) tweens.remove(name); else tweens.set(name, tween);
+      return groups;
+    };
+    groups.ease = function(value) {
+      if (!arguments.length) return ease;
+      ease = typeof value === "function" ? value : d3.ease.apply(d3, arguments);
+      return groups;
+    };
+    groups.each = function(type, listener) {
+      if (arguments.length < 2) return d3_transition_each.call(groups, type);
+      event.on(type, listener);
+      return groups;
+    };
+    d3.timer(function(elapsed) {
+      return d3_selection_each(groups, function(node, i, j) {
+        function start(elapsed) {
+          if (lock.active > id) return stop();
+          lock.active = id;
+          tweens.forEach(function(key, value) {
+            if (value = value.call(node, d, i)) {
+              tweened.push(value);
+            }
+          });
+          event.start.call(node, d, i);
+          if (!tick(elapsed)) d3.timer(tick, 0, time);
+          return 1;
+        }
+        function tick(elapsed) {
+          if (lock.active !== id) return stop();
+          var t = (elapsed - delay) / duration, e = ease(t), n = tweened.length;
+          while (n > 0) {
+            tweened[--n].call(node, e);
+          }
+          if (t >= 1) {
+            stop();
+            d3_transitionId = id;
+            event.end.call(node, d, i);
+            d3_transitionId = 0;
+            return 1;
+          }
+        }
+        function stop() {
+          if (!--lock.count) delete node.__transition__;
+          return 1;
+        }
+        var tweened = [], delay = node.delay, duration = node.duration, lock = (node = node.node).__transition__ || (node.__transition__ = {
+          active: 0,
+          count: 0
+        }), d = node.__data__;
+        ++lock.count;
+        delay <= elapsed ? start(elapsed) : d3.timer(start, delay, time);
+      });
+    }, 0, time);
+    return groups;
+  }
+  function d3_transition_each(callback) {
+    var id = d3_transitionId, ease = d3_transitionEase, delay = d3_transitionDelay, duration = d3_transitionDuration;
+    d3_transitionId = this.id;
+    d3_transitionEase = this.ease();
+    d3_selection_each(this, function(node, i, j) {
+      d3_transitionDelay = node.delay;
+      d3_transitionDuration = node.duration;
+      callback.call(node = node.node, node.__data__, i, j);
+    });
+    d3_transitionId = id;
+    d3_transitionEase = ease;
+    d3_transitionDelay = delay;
+    d3_transitionDuration = duration;
+    return this;
+  }
+  function d3_tweenNull(d, i, a) {
+    return a != "" && d3_tweenRemove;
+  }
+  function d3_tweenByName(b, name) {
+    return d3.tween(b, d3_interpolateByName(name));
+  }
+  function d3_timer_step() {
+    var elapsed, now = Date.now(), t1 = d3_timer_queue;
+    while (t1) {
+      elapsed = now - t1.then;
+      if (elapsed >= t1.delay) t1.flush = t1.callback(elapsed);
+      t1 = t1.next;
+    }
+    var delay = d3_timer_flush() - now;
+    if (delay > 24) {
+      if (isFinite(delay)) {
+        clearTimeout(d3_timer_timeout);
+        d3_timer_timeout = setTimeout(d3_timer_step, delay);
+      }
+      d3_timer_interval = 0;
+    } else {
+      d3_timer_interval = 1;
+      d3_timer_frame(d3_timer_step);
+    }
+  }
+  function d3_timer_flush() {
+    var t0 = null, t1 = d3_timer_queue, then = Infinity;
+    while (t1) {
+      if (t1.flush) {
+        t1 = t0 ? t0.next = t1.next : d3_timer_queue = t1.next;
+      } else {
+        then = Math.min(then, t1.then + t1.delay);
+        t1 = (t0 = t1).next;
+      }
+    }
+    return then;
+  }
+  function d3_mousePoint(container, e) {
+    var svg = container.ownerSVGElement || container;
+    if (svg.createSVGPoint) {
+      var point = svg.createSVGPoint();
+      if (d3_mouse_bug44083 < 0 && (window.scrollX || window.scrollY)) {
+        svg = d3.select(document.body).append("svg").style("position", "absolute").style("top", 0).style("left", 0);
+        var ctm = svg[0][0].getScreenCTM();
+        d3_mouse_bug44083 = !(ctm.f || ctm.e);
+        svg.remove();
+      }
+      if (d3_mouse_bug44083) {
+        point.x = e.pageX;
+        point.y = e.pageY;
+      } else {
+        point.x = e.clientX;
+        point.y = e.clientY;
+      }
+      point = point.matrixTransform(container.getScreenCTM().inverse());
+      return [ point.x, point.y ];
+    }
+    var rect = container.getBoundingClientRect();
+    return [ e.clientX - rect.left - container.clientLeft, e.clientY - rect.top - container.clientTop ];
+  }
+  function d3_noop() {}
+  function d3_scaleExtent(domain) {
+    var start = domain[0], stop = domain[domain.length - 1];
+    return start < stop ? [ start, stop ] : [ stop, start ];
+  }
+  function d3_scaleRange(scale) {
+    return scale.rangeExtent ? scale.rangeExtent() : d3_scaleExtent(scale.range());
+  }
+  function d3_scale_nice(domain, nice) {
+    var i0 = 0, i1 = domain.length - 1, x0 = domain[i0], x1 = domain[i1], dx;
+    if (x1 < x0) {
+      dx = i0, i0 = i1, i1 = dx;
+      dx = x0, x0 = x1, x1 = dx;
+    }
+    if (nice = nice(x1 - x0)) {
+      domain[i0] = nice.floor(x0);
+      domain[i1] = nice.ceil(x1);
+    }
+    return domain;
+  }
+  function d3_scale_niceDefault() {
+    return Math;
+  }
+  function d3_scale_linear(domain, range, interpolate, clamp) {
+    function rescale() {
+      var linear = Math.min(domain.length, range.length) > 2 ? d3_scale_polylinear : d3_scale_bilinear, uninterpolate = clamp ? d3_uninterpolateClamp : d3_uninterpolateNumber;
+      output = linear(domain, range, uninterpolate, interpolate);
+      input = linear(range, domain, uninterpolate, d3.interpolate);
+      return scale;
+    }
+    function scale(x) {
+      return output(x);
+    }
+    var output, input;
+    scale.invert = function(y) {
+      return input(y);
+    };
+    scale.domain = function(x) {
+      if (!arguments.length) return domain;
+      domain = x.map(Number);
+      return rescale();
+    };
+    scale.range = function(x) {
+      if (!arguments.length) return range;
+      range = x;
+      return rescale();
+    };
+    scale.rangeRound = function(x) {
+      return scale.range(x).interpolate(d3.interpolateRound);
+    };
+    scale.clamp = function(x) {
+      if (!arguments.length) return clamp;
+      clamp = x;
+      return rescale();
+    };
+    scale.interpolate = function(x) {
+      if (!arguments.length) return interpolate;
+      interpolate = x;
+      return rescale();
+    };
+    scale.ticks = function(m) {
+      return d3_scale_linearTicks(domain, m);
+    };
+    scale.tickFormat = function(m) {
+      return d3_scale_linearTickFormat(domain, m);
+    };
+    scale.nice = function() {
+      d3_scale_nice(domain, d3_scale_linearNice);
+      return rescale();
+    };
+    scale.copy = function() {
+      return d3_scale_linear(domain, range, interpolate, clamp);
+    };
+    return rescale();
+  }
+  function d3_scale_linearRebind(scale, linear) {
+    return d3.rebind(scale, linear, "range", "rangeRound", "interpolate", "clamp");
+  }
+  function d3_scale_linearNice(dx) {
+    dx = Math.pow(10, Math.round(Math.log(dx) / Math.LN10) - 1);
+    return dx && {
+      floor: function(x) {
+        return Math.floor(x / dx) * dx;
+      },
+      ceil: function(x) {
+        return Math.ceil(x / dx) * dx;
+      }
+    };
+  }
+  function d3_scale_linearTickRange(domain, m) {
+    var extent = d3_scaleExtent(domain), span = extent[1] - extent[0], step = Math.pow(10, Math.floor(Math.log(span / m) / Math.LN10)), err = m / span * step;
+    if (err <= .15) step *= 10; else if (err <= .35) step *= 5; else if (err <= .75) step *= 2;
+    extent[0] = Math.ceil(extent[0] / step) * step;
+    extent[1] = Math.floor(extent[1] / step) * step + step * .5;
+    extent[2] = step;
+    return extent;
+  }
+  function d3_scale_linearTicks(domain, m) {
+    return d3.range.apply(d3, d3_scale_linearTickRange(domain, m));
+  }
+  function d3_scale_linearTickFormat(domain, m) {
+    return d3.format(",." + Math.max(0, -Math.floor(Math.log(d3_scale_linearTickRange(domain, m)[2]) / Math.LN10 + .01)) + "f");
+  }
+  function d3_scale_bilinear(domain, range, uninterpolate, interpolate) {
+    var u = uninterpolate(domain[0], domain[1]), i = interpolate(range[0], range[1]);
+    return function(x) {
+      return i(u(x));
+    };
+  }
+  function d3_scale_polylinear(domain, range, uninterpolate, interpolate) {
+    var u = [], i = [], j = 0, k = Math.min(domain.length, range.length) - 1;
+    if (domain[k] < domain[0]) {
+      domain = domain.slice().reverse();
+      range = range.slice().reverse();
+    }
+    while (++j <= k) {
+      u.push(uninterpolate(domain[j - 1], domain[j]));
+      i.push(interpolate(range[j - 1], range[j]));
+    }
+    return function(x) {
+      var j = d3.bisect(domain, x, 1, k) - 1;
+      return i[j](u[j](x));
+    };
+  }
+  function d3_scale_log(linear, log) {
+    function scale(x) {
+      return linear(log(x));
+    }
+    var pow = log.pow;
+    scale.invert = function(x) {
+      return pow(linear.invert(x));
+    };
+    scale.domain = function(x) {
+      if (!arguments.length) return linear.domain().map(pow);
+      log = x[0] < 0 ? d3_scale_logn : d3_scale_logp;
+      pow = log.pow;
+      linear.domain(x.map(log));
+      return scale;
+    };
+    scale.nice = function() {
+      linear.domain(d3_scale_nice(linear.domain(), d3_scale_niceDefault));
+      return scale;
+    };
+    scale.ticks = function() {
+      var extent = d3_scaleExtent(linear.domain()), ticks = [];
+      if (extent.every(isFinite)) {
+        var i = Math.floor(extent[0]), j = Math.ceil(extent[1]), u = pow(extent[0]), v = pow(extent[1]);
+        if (log === d3_scale_logn) {
+          ticks.push(pow(i));
+          for (; i++ < j; ) for (var k = 9; k > 0; k--) ticks.push(pow(i) * k);
+        } else {
+          for (; i < j; i++) for (var k = 1; k < 10; k++) ticks.push(pow(i) * k);
+          ticks.push(pow(i));
+        }
+        for (i = 0; ticks[i] < u; i++) {}
+        for (j = ticks.length; ticks[j - 1] > v; j--) {}
+        ticks = ticks.slice(i, j);
+      }
+      return ticks;
+    };
+    scale.tickFormat = function(n, format) {
+      if (arguments.length < 2) format = d3_scale_logFormat;
+      if (arguments.length < 1) return format;
+      var k = Math.max(.1, n / scale.ticks().length), f = log === d3_scale_logn ? (e = -1e-12, Math.floor) : (e = 1e-12, Math.ceil), e;
+      return function(d) {
+        return d / pow(f(log(d) + e)) <= k ? format(d) : "";
+      };
+    };
+    scale.copy = function() {
+      return d3_scale_log(linear.copy(), log);
+    };
+    return d3_scale_linearRebind(scale, linear);
+  }
+  function d3_scale_logp(x) {
+    return Math.log(x < 0 ? 0 : x) / Math.LN10;
+  }
+  function d3_scale_logn(x) {
+    return -Math.log(x > 0 ? 0 : -x) / Math.LN10;
+  }
+  function d3_scale_pow(linear, exponent) {
+    function scale(x) {
+      return linear(powp(x));
+    }
+    var powp = d3_scale_powPow(exponent), powb = d3_scale_powPow(1 / exponent);
+    scale.invert = function(x) {
+      return powb(linear.invert(x));
+    };
+    scale.domain = function(x) {
+      if (!arguments.length) return linear.domain().map(powb);
+      linear.domain(x.map(powp));
+      return scale;
+    };
+    scale.ticks = function(m) {
+      return d3_scale_linearTicks(scale.domain(), m);
+    };
+    scale.tickFormat = function(m) {
+      return d3_scale_linearTickFormat(scale.domain(), m);
+    };
+    scale.nice = function() {
+      return scale.domain(d3_scale_nice(scale.domain(), d3_scale_linearNice));
+    };
+    scale.exponent = function(x) {
+      if (!arguments.length) return exponent;
+      var domain = scale.domain();
+      powp = d3_scale_powPow(exponent = x);
+      powb = d3_scale_powPow(1 / exponent);
+      return scale.domain(domain);
+    };
+    scale.copy = function() {
+      return d3_scale_pow(linear.copy(), exponent);
+    };
+    return d3_scale_linearRebind(scale, linear);
+  }
+  function d3_scale_powPow(e) {
+    return function(x) {
+      return x < 0 ? -Math.pow(-x, e) : Math.pow(x, e);
+    };
+  }
+  function d3_scale_ordinal(domain, ranger) {
+    function scale(x) {
+      return range[((index.get(x) || index.set(x, domain.push(x))) - 1) % range.length];
+    }
+    function steps(start, step) {
+      return d3.range(domain.length).map(function(i) {
+        return start + step * i;
+      });
+    }
+    var index, range, rangeBand;
+    scale.domain = function(x) {
+      if (!arguments.length) return domain;
+      domain = [];
+      index = new d3_Map;
+      var i = -1, n = x.length, xi;
+      while (++i < n) if (!index.has(xi = x[i])) index.set(xi, domain.push(xi));
+      return scale[ranger.t].apply(scale, ranger.a);
+    };
+    scale.range = function(x) {
+      if (!arguments.length) return range;
+      range = x;
+      rangeBand = 0;
+      ranger = {
+        t: "range",
+        a: arguments
+      };
+      return scale;
+    };
+    scale.rangePoints = function(x, padding) {
+      if (arguments.length < 2) padding = 0;
+      var start = x[0], stop = x[1], step = (stop - start) / (Math.max(1, domain.length - 1) + padding);
+      range = steps(domain.length < 2 ? (start + stop) / 2 : start + step * padding / 2, step);
+      rangeBand = 0;
+      ranger = {
+        t: "rangePoints",
+        a: arguments
+      };
+      return scale;
+    };
+    scale.rangeBands = function(x, padding, outerPadding) {
+      if (arguments.length < 2) padding = 0;
+      if (arguments.length < 3) outerPadding = padding;
+      var reverse = x[1] < x[0], start = x[reverse - 0], stop = x[1 - reverse], step = (stop - start) / (domain.length - padding + 2 * outerPadding);
+      range = steps(start + step * outerPadding, step);
+      if (reverse) range.reverse();
+      rangeBand = step * (1 - padding);
+      ranger = {
+        t: "rangeBands",
+        a: arguments
+      };
+      return scale;
+    };
+    scale.rangeRoundBands = function(x, padding, outerPadding) {
+      if (arguments.length < 2) padding = 0;
+      if (arguments.length < 3) outerPadding = padding;
+      var reverse = x[1] < x[0], start = x[reverse - 0], stop = x[1 - reverse], step = Math.floor((stop - start) / (domain.length - padding + 2 * outerPadding)), error = stop - start - (domain.length - padding) * step;
+      range = steps(start + Math.round(error / 2), step);
+      if (reverse) range.reverse();
+      rangeBand = Math.round(step * (1 - padding));
+      ranger = {
+        t: "rangeRoundBands",
+        a: arguments
+      };
+      return scale;
+    };
+    scale.rangeBand = function() {
+      return rangeBand;
+    };
+    scale.rangeExtent = function() {
+      return d3_scaleExtent(ranger.a[0]);
+    };
+    scale.copy = function() {
+      return d3_scale_ordinal(domain, ranger);
+    };
+    return scale.domain(domain);
+  }
+  function d3_scale_quantile(domain, range) {
+    function rescale() {
+      var k = 0, n = domain.length, q = range.length;
+      thresholds = [];
+      while (++k < q) thresholds[k - 1] = d3.quantile(domain, k / q);
+      return scale;
+    }
+    function scale(x) {
+      if (isNaN(x = +x)) return NaN;
+      return range[d3.bisect(thresholds, x)];
+    }
+    var thresholds;
+    scale.domain = function(x) {
+      if (!arguments.length) return domain;
+      domain = x.filter(function(d) {
+        return !isNaN(d);
+      }).sort(d3.ascending);
+      return rescale();
+    };
+    scale.range = function(x) {
+      if (!arguments.length) return range;
+      range = x;
+      return rescale();
+    };
+    scale.quantiles = function() {
+      return thresholds;
+    };
+    scale.copy = function() {
+      return d3_scale_quantile(domain, range);
+    };
+    return rescale();
+  }
+  function d3_scale_quantize(x0, x1, range) {
+    function scale(x) {
+      return range[Math.max(0, Math.min(i, Math.floor(kx * (x - x0))))];
+    }
+    function rescale() {
+      kx = range.length / (x1 - x0);
+      i = range.length - 1;
+      return scale;
+    }
+    var kx, i;
+    scale.domain = function(x) {
+      if (!arguments.length) return [ x0, x1 ];
+      x0 = +x[0];
+      x1 = +x[x.length - 1];
+      return rescale();
+    };
+    scale.range = function(x) {
+      if (!arguments.length) return range;
+      range = x;
+      return rescale();
+    };
+    scale.copy = function() {
+      return d3_scale_quantize(x0, x1, range);
+    };
+    return rescale();
+  }
+  function d3_scale_threshold(domain, range) {
+    function scale(x) {
+      return range[d3.bisect(domain, x)];
+    }
+    scale.domain = function(_) {
+      if (!arguments.length) return domain;
+      domain = _;
+      return scale;
+    };
+    scale.range = function(_) {
+      if (!arguments.length) return range;
+      range = _;
+      return scale;
+    };
+    scale.copy = function() {
+      return d3_scale_threshold(domain, range);
+    };
+    return scale;
+  }
+  function d3_scale_identity(domain) {
+    function identity(x) {
+      return +x;
+    }
+    identity.invert = identity;
+    identity.domain = identity.range = function(x) {
+      if (!arguments.length) return domain;
+      domain = x.map(identity);
+      return identity;
+    };
+    identity.ticks = function(m) {
+      return d3_scale_linearTicks(domain, m);
+    };
+    identity.tickFormat = function(m) {
+      return d3_scale_linearTickFormat(domain, m);
+    };
+    identity.copy = function() {
+      return d3_scale_identity(domain);
+    };
+    return identity;
+  }
+  function d3_svg_arcInnerRadius(d) {
+    return d.innerRadius;
+  }
+  function d3_svg_arcOuterRadius(d) {
+    return d.outerRadius;
+  }
+  function d3_svg_arcStartAngle(d) {
+    return d.startAngle;
+  }
+  function d3_svg_arcEndAngle(d) {
+    return d.endAngle;
+  }
+  function d3_svg_line(projection) {
+    function line(data) {
+      function segment() {
+        segments.push("M", interpolate(projection(points), tension));
+      }
+      var segments = [], points = [], i = -1, n = data.length, d, fx = d3_functor(x), fy = d3_functor(y);
+      while (++i < n) {
+        if (defined.call(this, d = data[i], i)) {
+          points.push([ +fx.call(this, d, i), +fy.call(this, d, i) ]);
+        } else if (points.length) {
+          segment();
+          points = [];
+        }
+      }
+      if (points.length) segment();
+      return segments.length ? segments.join("") : null;
+    }
+    var x = d3_svg_lineX, y = d3_svg_lineY, defined = d3_true, interpolate = d3_svg_lineLinear, interpolateKey = interpolate.key, tension = .7;
+    line.x = function(_) {
+      if (!arguments.length) return x;
+      x = _;
+      return line;
+    };
+    line.y = function(_) {
+      if (!arguments.length) return y;
+      y = _;
+      return line;
+    };
+    line.defined = function(_) {
+      if (!arguments.length) return defined;
+      defined = _;
+      return line;
+    };
+    line.interpolate = function(_) {
+      if (!arguments.length) return interpolateKey;
+      if (typeof _ === "function") interpolateKey = interpolate = _; else interpolateKey = (interpolate = d3_svg_lineInterpolators.get(_) || d3_svg_lineLinear).key;
+      return line;
+    };
+    line.tension = function(_) {
+      if (!arguments.length) return tension;
+      tension = _;
+      return line;
+    };
+    return line;
+  }
+  function d3_svg_lineX(d) {
+    return d[0];
+  }
+  function d3_svg_lineY(d) {
+    return d[1];
+  }
+  function d3_svg_lineLinear(points) {
+    return points.join("L");
+  }
+  function d3_svg_lineLinearClosed(points) {
+    return d3_svg_lineLinear(points) + "Z";
+  }
+  function d3_svg_lineStepBefore(points) {
+    var i = 0, n = points.length, p = points[0], path = [ p[0], ",", p[1] ];
+    while (++i < n) path.push("V", (p = points[i])[1], "H", p[0]);
+    return path.join("");
+  }
+  function d3_svg_lineStepAfter(points) {
+    var i = 0, n = points.length, p = points[0], path = [ p[0], ",", p[1] ];
+    while (++i < n) path.push("H", (p = points[i])[0], "V", p[1]);
+    return path.join("");
+  }
+  function d3_svg_lineCardinalOpen(points, tension) {
+    return points.length < 4 ? d3_svg_lineLinear(points) : points[1] + d3_svg_lineHermite(points.slice(1, points.length - 1), d3_svg_lineCardinalTangents(points, tension));
+  }
+  function d3_svg_lineCardinalClosed(points, tension) {
+    return points.length < 3 ? d3_svg_lineLinear(points) : points[0] + d3_svg_lineHermite((points.push(points[0]), points), d3_svg_lineCardinalTangents([ points[points.length - 2] ].concat(points, [ points[1] ]), tension));
+  }
+  function d3_svg_lineCardinal(points, tension, closed) {
+    return points.length < 3 ? d3_svg_lineLinear(points) : points[0] + d3_svg_lineHermite(points, d3_svg_lineCardinalTangents(points, tension));
+  }
+  function d3_svg_lineHermite(points, tangents) {
+    if (tangents.length < 1 || points.length != tangents.length && points.length != tangents.length + 2) {
+      return d3_svg_lineLinear(points);
+    }
+    var quad = points.length != tangents.length, path = "", p0 = points[0], p = points[1], t0 = tangents[0], t = t0, pi = 1;
+    if (quad) {
+      path += "Q" + (p[0] - t0[0] * 2 / 3) + "," + (p[1] - t0[1] * 2 / 3) + "," + p[0] + "," + p[1];
+      p0 = points[1];
+      pi = 2;
+    }
+    if (tangents.length > 1) {
+      t = tangents[1];
+      p = points[pi];
+      pi++;
+      path += "C" + (p0[0] + t0[0]) + "," + (p0[1] + t0[1]) + "," + (p[0] - t[0]) + "," + (p[1] - t[1]) + "," + p[0] + "," + p[1];
+      for (var i = 2; i < tangents.length; i++, pi++) {
+        p = points[pi];
+        t = tangents[i];
+        path += "S" + (p[0] - t[0]) + "," + (p[1] - t[1]) + "," + p[0] + "," + p[1];
+      }
+    }
+    if (quad) {
+      var lp = points[pi];
+      path += "Q" + (p[0] + t[0] * 2 / 3) + "," + (p[1] + t[1] * 2 / 3) + "," + lp[0] + "," + lp[1];
+    }
+    return path;
+  }
+  function d3_svg_lineCardinalTangents(points, tension) {
+    var tangents = [], a = (1 - tension) / 2, p0, p1 = points[0], p2 = points[1], i = 1, n = points.length;
+    while (++i < n) {
+      p0 = p1;
+      p1 = p2;
+      p2 = points[i];
+      tangents.push([ a * (p2[0] - p0[0]), a * (p2[1] - p0[1]) ]);
+    }
+    return tangents;
+  }
+  function d3_svg_lineBasis(points) {
+    if (points.length < 3) return d3_svg_lineLinear(points);
+    var i = 1, n = points.length, pi = points[0], x0 = pi[0], y0 = pi[1], px = [ x0, x0, x0, (pi = points[1])[0] ], py = [ y0, y0, y0, pi[1] ], path = [ x0, ",", y0 ];
+    d3_svg_lineBasisBezier(path, px, py);
+    while (++i < n) {
+      pi = points[i];
+      px.shift();
+      px.push(pi[0]);
+      py.shift();
+      py.push(pi[1]);
+      d3_svg_lineBasisBezier(path, px, py);
+    }
+    i = -1;
+    while (++i < 2) {
+      px.shift();
+      px.push(pi[0]);
+      py.shift();
+      py.push(pi[1]);
+      d3_svg_lineBasisBezier(path, px, py);
+    }
+    return path.join("");
+  }
+  function d3_svg_lineBasisOpen(points) {
+    if (points.length < 4) return d3_svg_lineLinear(points);
+    var path = [], i = -1, n = points.length, pi, px = [ 0 ], py = [ 0 ];
+    while (++i < 3) {
+      pi = points[i];
+      px.push(pi[0]);
+      py.push(pi[1]);
+    }
+    path.push(d3_svg_lineDot4(d3_svg_lineBasisBezier3, px) + "," + d3_svg_lineDot4(d3_svg_lineBasisBezier3, py));
+    --i;
+    while (++i < n) {
+      pi = points[i];
+      px.shift();
+      px.push(pi[0]);
+      py.shift();
+      py.push(pi[1]);
+      d3_svg_lineBasisBezier(path, px, py);
+    }
+    return path.join("");
+  }
+  function d3_svg_lineBasisClosed(points) {
+    var path, i = -1, n = points.length, m = n + 4, pi, px = [], py = [];
+    while (++i < 4) {
+      pi = points[i % n];
+      px.push(pi[0]);
+      py.push(pi[1]);
+    }
+    path = [ d3_svg_lineDot4(d3_svg_lineBasisBezier3, px), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, py) ];
+    --i;
+    while (++i < m) {
+      pi = points[i % n];
+      px.shift();
+      px.push(pi[0]);
+      py.shift();
+      py.push(pi[1]);
+      d3_svg_lineBasisBezier(path, px, py);
+    }
+    return path.join("");
+  }
+  function d3_svg_lineBundle(points, tension) {
+    var n = points.length - 1;
+    if (n) {
+      var x0 = points[0][0], y0 = points[0][1], dx = points[n][0] - x0, dy = points[n][1] - y0, i = -1, p, t;
+      while (++i <= n) {
+        p = points[i];
+        t = i / n;
+        p[0] = tension * p[0] + (1 - tension) * (x0 + t * dx);
+        p[1] = tension * p[1] + (1 - tension) * (y0 + t * dy);
+      }
+    }
+    return d3_svg_lineBasis(points);
+  }
+  function d3_svg_lineDot4(a, b) {
+    return a[0] * b[0] + a[1] * b[1] + a[2] * b[2] + a[3] * b[3];
+  }
+  function d3_svg_lineBasisBezier(path, x, y) {
+    path.push("C", d3_svg_lineDot4(d3_svg_lineBasisBezier1, x), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier1, y), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier2, x), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier2, y), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, x), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, y));
+  }
+  function d3_svg_lineSlope(p0, p1) {
+    return (p1[1] - p0[1]) / (p1[0] - p0[0]);
+  }
+  function d3_svg_lineFiniteDifferences(points) {
+    var i = 0, j = points.length - 1, m = [], p0 = points[0], p1 = points[1], d = m[0] = d3_svg_lineSlope(p0, p1);
+    while (++i < j) {
+      m[i] = (d + (d = d3_svg_lineSlope(p0 = p1, p1 = points[i + 1]))) / 2;
+    }
+    m[i] = d;
+    return m;
+  }
+  function d3_svg_lineMonotoneTangents(points) {
+    var tangents = [], d, a, b, s, m = d3_svg_lineFiniteDifferences(points), i = -1, j = points.length - 1;
+    while (++i < j) {
+      d = d3_svg_lineSlope(points[i], points[i + 1]);
+      if (Math.abs(d) < 1e-6) {
+        m[i] = m[i + 1] = 0;
+      } else {
+        a = m[i] / d;
+        b = m[i + 1] / d;
+        s = a * a + b * b;
+        if (s > 9) {
+          s = d * 3 / Math.sqrt(s);
+          m[i] = s * a;
+          m[i + 1] = s * b;
+        }
+      }
+    }
+    i = -1;
+    while (++i <= j) {
+      s = (points[Math.min(j, i + 1)][0] - points[Math.max(0, i - 1)][0]) / (6 * (1 + m[i] * m[i]));
+      tangents.push([ s || 0, m[i] * s || 0 ]);
+    }
+    return tangents;
+  }
+  function d3_svg_lineMonotone(points) {
+    return points.length < 3 ? d3_svg_lineLinear(points) : points[0] + d3_svg_lineHermite(points, d3_svg_lineMonotoneTangents(points));
+  }
+  function d3_svg_lineRadial(points) {
+    var point, i = -1, n = points.length, r, a;
+    while (++i < n) {
+      point = points[i];
+      r = point[0];
+      a = point[1] + d3_svg_arcOffset;
+      point[0] = r * Math.cos(a);
+      point[1] = r * Math.sin(a);
+    }
+    return points;
+  }
+  function d3_svg_area(projection) {
+    function area(data) {
+      function segment() {
+        segments.push("M", interpolate(projection(points1), tension), L, interpolateReverse(projection(points0.reverse()), tension), "Z");
+      }
+      var segments = [], points0 = [], points1 = [], i = -1, n = data.length, d, fx0 = d3_functor(x0), fy0 = d3_functor(y0), fx1 = x0 === x1 ? function() {
+        return x;
+      } : d3_functor(x1), fy1 = y0 === y1 ? function() {
+        return y;
+      } : d3_functor(y1), x, y;
+      while (++i < n) {
+        if (defined.call(this, d = data[i], i)) {
+          points0.push([ x = +fx0.call(this, d, i), y = +fy0.call(this, d, i) ]);
+          points1.push([ +fx1.call(this, d, i), +fy1.call(this, d, i) ]);
+        } else if (points0.length) {
+          segment();
+          points0 = [];
+          points1 = [];
+        }
+      }
+      if (points0.length) segment();
+      return segments.length ? segments.join("") : null;
+    }
+    var x0 = d3_svg_lineX, x1 = d3_svg_lineX, y0 = 0, y1 = d3_svg_lineY, defined = d3_true, interpolate = d3_svg_lineLinear, interpolateKey = interpolate.key, interpolateReverse = interpolate, L = "L", tension = .7;
+    area.x = function(_) {
+      if (!arguments.length) return x1;
+      x0 = x1 = _;
+      return area;
+    };
+    area.x0 = function(_) {
+      if (!arguments.length) return x0;
+      x0 = _;
+      return area;
+    };
+    area.x1 = function(_) {
+      if (!arguments.length) return x1;
+      x1 = _;
+      return area;
+    };
+    area.y = function(_) {
+      if (!arguments.length) return y1;
+      y0 = y1 = _;
+      return area;
+    };
+    area.y0 = function(_) {
+      if (!arguments.length) return y0;
+      y0 = _;
+      return area;
+    };
+    area.y1 = function(_) {
+      if (!arguments.length) return y1;
+      y1 = _;
+      return area;
+    };
+    area.defined = function(_) {
+      if (!arguments.length) return defined;
+      defined = _;
+      return area;
+    };
+    area.interpolate = function(_) {
+      if (!arguments.length) return interpolateKey;
+      if (typeof _ === "function") interpolateKey = interpolate = _; else interpolateKey = (interpolate = d3_svg_lineInterpolators.get(_) || d3_svg_lineLinear).key;
+      interpolateReverse = interpolate.reverse || interpolate;
+      L = interpolate.closed ? "M" : "L";
+      return area;
+    };
+    area.tension = function(_) {
+      if (!arguments.length) return tension;
+      tension = _;
+      return area;
+    };
+    return area;
+  }
+  function d3_svg_chordSource(d) {
+    return d.source;
+  }
+  function d3_svg_chordTarget(d) {
+    return d.target;
+  }
+  function d3_svg_chordRadius(d) {
+    return d.radius;
+  }
+  function d3_svg_chordStartAngle(d) {
+    return d.startAngle;
+  }
+  function d3_svg_chordEndAngle(d) {
+    return d.endAngle;
+  }
+  function d3_svg_diagonalProjection(d) {
+    return [ d.x, d.y ];
+  }
+  function d3_svg_diagonalRadialProjection(projection) {
+    return function() {
+      var d = projection.apply(this, arguments), r = d[0], a = d[1] + d3_svg_arcOffset;
+      return [ r * Math.cos(a), r * Math.sin(a) ];
+    };
+  }
+  function d3_svg_symbolSize() {
+    return 64;
+  }
+  function d3_svg_symbolType() {
+    return "circle";
+  }
+  function d3_svg_symbolCircle(size) {
+    var r = Math.sqrt(size / Math.PI);
+    return "M0," + r + "A" + r + "," + r + " 0 1,1 0," + -r + "A" + r + "," + r + " 0 1,1 0," + r + "Z";
+  }
+  function d3_svg_axisX(selection, x) {
+    selection.attr("transform", function(d) {
+      return "translate(" + x(d) + ",0)";
+    });
+  }
+  function d3_svg_axisY(selection, y) {
+    selection.attr("transform", function(d) {
+      return "translate(0," + y(d) + ")";
+    });
+  }
+  function d3_svg_axisSubdivide(scale, ticks, m) {
+    subticks = [];
+    if (m && ticks.length > 1) {
+      var extent = d3_scaleExtent(scale.domain()), subticks, i = -1, n = ticks.length, d = (ticks[1] - ticks[0]) / ++m, j, v;
+      while (++i < n) {
+        for (j = m; --j > 0; ) {
+          if ((v = +ticks[i] - j * d) >= extent[0]) {
+            subticks.push(v);
+          }
+        }
+      }
+      for (--i, j = 0; ++j < m && (v = +ticks[i] + j * d) < extent[1]; ) {
+        subticks.push(v);
+      }
+    }
+    return subticks;
+  }
+  function d3_behavior_zoomDelta() {
+    if (!d3_behavior_zoomDiv) {
+      d3_behavior_zoomDiv = d3.select("body").append("div").style("visibility", "hidden").style("top", 0).style("height", 0).style("width", 0).style("overflow-y", "scroll").append("div").style("height", "2000px").node().parentNode;
+    }
+    var e = d3.event, delta;
+    try {
+      d3_behavior_zoomDiv.scrollTop = 1e3;
+      d3_behavior_zoomDiv.dispatchEvent(e);
+      delta = 1e3 - d3_behavior_zoomDiv.scrollTop;
+    } catch (error) {
+      delta = e.wheelDelta || -e.detail * 5;
+    }
+    return delta;
+  }
+  function d3_layout_bundlePath(link) {
+    var start = link.source, end = link.target, lca = d3_layout_bundleLeastCommonAncestor(start, end), points = [ start ];
+    while (start !== lca) {
+      start = start.parent;
+      points.push(start);
+    }
+    var k = points.length;
+    while (end !== lca) {
+      points.splice(k, 0, end);
+      end = end.parent;
+    }
+    return points;
+  }
+  function d3_layout_bundleAncestors(node) {
+    var ancestors = [], parent = node.parent;
+    while (parent != null) {
+      ancestors.push(node);
+      node = parent;
+      parent = parent.parent;
+    }
+    ancestors.push(node);
+    return ancestors;
+  }
+  function d3_layout_bundleLeastCommonAncestor(a, b) {
+    if (a === b) return a;
+    var aNodes = d3_layout_bundleAncestors(a), bNodes = d3_layout_bundleAncestors(b), aNode = aNodes.pop(), bNode = bNodes.pop(), sharedNode = null;
+    while (aNode === bNode) {
+      sharedNode = aNode;
+      aNode = aNodes.pop();
+      bNode = bNodes.pop();
+    }
+    return sharedNode;
+  }
+  function d3_layout_forceDragstart(d) {
+    d.fixed |= 2;
+  }
+  function d3_layout_forceDragend(d) {
+    d.fixed &= 1;
+  }
+  function d3_layout_forceMouseover(d) {
+    d.fixed |= 4;
+  }
+  function d3_layout_forceMouseout(d) {
+    d.fixed &= 3;
+  }
+  function d3_layout_forceAccumulate(quad, alpha, charges) {
+    var cx = 0, cy = 0;
+    quad.charge = 0;
+    if (!quad.leaf) {
+      var nodes = quad.nodes, n = nodes.length, i = -1, c;
+      while (++i < n) {
+        c = nodes[i];
+        if (c == null) continue;
+        d3_layout_forceAccumulate(c, alpha, charges);
+        quad.charge += c.charge;
+        cx += c.charge * c.cx;
+        cy += c.charge * c.cy;
+      }
+    }
+    if (quad.point) {
+      if (!quad.leaf) {
+        quad.point.x += Math.random() - .5;
+        quad.point.y += Math.random() - .5;
+      }
+      var k = alpha * charges[quad.point.index];
+      quad.charge += quad.pointCharge = k;
+      cx += k * quad.point.x;
+      cy += k * quad.point.y;
+    }
+    quad.cx = cx / quad.charge;
+    quad.cy = cy / quad.charge;
+  }
+  function d3_layout_forceLinkDistance(link) {
+    return 20;
+  }
+  function d3_layout_forceLinkStrength(link) {
+    return 1;
+  }
+  function d3_layout_stackX(d) {
+    return d.x;
+  }
+  function d3_layout_stackY(d) {
+    return d.y;
+  }
+  function d3_layout_stackOut(d, y0, y) {
+    d.y0 = y0;
+    d.y = y;
+  }
+  function d3_layout_stackOrderDefault(data) {
+    return d3.range(data.length);
+  }
+  function d3_layout_stackOffsetZero(data) {
+    var j = -1, m = data[0].length, y0 = [];
+    while (++j < m) y0[j] = 0;
+    return y0;
+  }
+  function d3_layout_stackMaxIndex(array) {
+    var i = 1, j = 0, v = array[0][1], k, n = array.length;
+    for (; i < n; ++i) {
+      if ((k = array[i][1]) > v) {
+        j = i;
+        v = k;
+      }
+    }
+    return j;
+  }
+  function d3_layout_stackReduceSum(d) {
+    return d.reduce(d3_layout_stackSum, 0);
+  }
+  function d3_layout_stackSum(p, d) {
+    return p + d[1];
+  }
+  function d3_layout_histogramBinSturges(range, values) {
+    return d3_layout_histogramBinFixed(range, Math.ceil(Math.log(values.length) / Math.LN2 + 1));
+  }
+  function d3_layout_histogramBinFixed(range, n) {
+    var x = -1, b = +range[0], m = (range[1] - b) / n, f = [];
+    while (++x <= n) f[x] = m * x + b;
+    return f;
+  }
+  function d3_layout_histogramRange(values) {
+    return [ d3.min(values), d3.max(values) ];
+  }
+  function d3_layout_hierarchyRebind(object, hierarchy) {
+    d3.rebind(object, hierarchy, "sort", "children", "value");
+    object.links = d3_layout_hierarchyLinks;
+    object.nodes = function(d) {
+      d3_layout_hierarchyInline = true;
+      return (object.nodes = object)(d);
+    };
+    return object;
+  }
+  function d3_layout_hierarchyChildren(d) {
+    return d.children;
+  }
+  function d3_layout_hierarchyValue(d) {
+    return d.value;
+  }
+  function d3_layout_hierarchySort(a, b) {
+    return b.value - a.value;
+  }
+  function d3_layout_hierarchyLinks(nodes) {
+    return d3.merge(nodes.map(function(parent) {
+      return (parent.children || []).map(function(child) {
+        return {
+          source: parent,
+          target: child
+        };
+      });
+    }));
+  }
+  function d3_layout_packSort(a, b) {
+    return a.value - b.value;
+  }
+  function d3_layout_packInsert(a, b) {
+    var c = a._pack_next;
+    a._pack_next = b;
+    b._pack_prev = a;
+    b._pack_next = c;
+    c._pack_prev = b;
+  }
+  function d3_layout_packSplice(a, b) {
+    a._pack_next = b;
+    b._pack_prev = a;
+  }
+  function d3_layout_packIntersects(a, b) {
+    var dx = b.x - a.x, dy = b.y - a.y, dr = a.r + b.r;
+    return dr * dr - dx * dx - dy * dy > .001;
+  }
+  function d3_layout_packSiblings(node) {
+    function bound(node) {
+      xMin = Math.min(node.x - node.r, xMin);
+      xMax = Math.max(node.x + node.r, xMax);
+      yMin = Math.min(node.y - node.r, yMin);
+      yMax = Math.max(node.y + node.r, yMax);
+    }
+    if (!(nodes = node.children) || !(n = nodes.length)) return;
+    var nodes, xMin = Infinity, xMax = -Infinity, yMin = Infinity, yMax = -Infinity, a, b, c, i, j, k, n;
+    nodes.forEach(d3_layout_packLink);
+    a = nodes[0];
+    a.x = -a.r;
+    a.y = 0;
+    bound(a);
+    if (n > 1) {
+      b = nodes[1];
+      b.x = b.r;
+      b.y = 0;
+      bound(b);
+      if (n > 2) {
+        c = nodes[2];
+        d3_layout_packPlace(a, b, c);
+        bound(c);
+        d3_layout_packInsert(a, c);
+        a._pack_prev = c;
+        d3_layout_packInsert(c, b);
+        b = a._pack_next;
+        for (i = 3; i < n; i++) {
+          d3_layout_packPlace(a, b, c = nodes[i]);
+          var isect = 0, s1 = 1, s2 = 1;
+          for (j = b._pack_next; j !== b; j = j._pack_next, s1++) {
+            if (d3_layout_packIntersects(j, c)) {
+              isect = 1;
+              break;
+            }
+          }
+          if (isect == 1) {
+            for (k = a._pack_prev; k !== j._pack_prev; k = k._pack_prev, s2++) {
+              if (d3_layout_packIntersects(k, c)) {
+                break;
+              }
+            }
+          }
+          if (isect) {
+            if (s1 < s2 || s1 == s2 && b.r < a.r) d3_layout_packSplice(a, b = j); else d3_layout_packSplice(a = k, b);
+            i--;
+          } else {
+            d3_layout_packInsert(a, c);
+            b = c;
+            bound(c);
+          }
+        }
+      }
+    }
+    var cx = (xMin + xMax) / 2, cy = (yMin + yMax) / 2, cr = 0;
+    for (i = 0; i < n; i++) {
+      c = nodes[i];
+      c.x -= cx;
+      c.y -= cy;
+      cr = Math.max(cr, c.r + Math.sqrt(c.x * c.x + c.y * c.y));
+    }
+    node.r = cr;
+    nodes.forEach(d3_layout_packUnlink);
+  }
+  function d3_layout_packLink(node) {
+    node._pack_next = node._pack_prev = node;
+  }
+  function d3_layout_packUnlink(node) {
+    delete node._pack_next;
+    delete node._pack_prev;
+  }
+  function d3_layout_packTransform(node, x, y, k) {
+    var children = node.children;
+    node.x = x += k * node.x;
+    node.y = y += k * node.y;
+    node.r *= k;
+    if (children) {
+      var i = -1, n = children.length;
+      while (++i < n) d3_layout_packTransform(children[i], x, y, k);
+    }
+  }
+  function d3_layout_packPlace(a, b, c) {
+    var db = a.r + c.r, dx = b.x - a.x, dy = b.y - a.y;
+    if (db && (dx || dy)) {
+      var da = b.r + c.r, dc = dx * dx + dy * dy;
+      da *= da;
+      db *= db;
+      var x = .5 + (db - da) / (2 * dc), y = Math.sqrt(Math.max(0, 2 * da * (db + dc) - (db -= dc) * db - da * da)) / (2 * dc);
+      c.x = a.x + x * dx + y * dy;
+      c.y = a.y + x * dy - y * dx;
+    } else {
+      c.x = a.x + db;
+      c.y = a.y;
+    }
+  }
+  function d3_layout_clusterY(children) {
+    return 1 + d3.max(children, function(child) {
+      return child.y;
+    });
+  }
+  function d3_layout_clusterX(children) {
+    return children.reduce(function(x, child) {
+      return x + child.x;
+    }, 0) / children.length;
+  }
+  function d3_layout_clusterLeft(node) {
+    var children = node.children;
+    return children && children.length ? d3_layout_clusterLeft(children[0]) : node;
+  }
+  function d3_layout_clusterRight(node) {
+    var children = node.children, n;
+    return children && (n = children.length) ? d3_layout_clusterRight(children[n - 1]) : node;
+  }
+  function d3_layout_treeSeparation(a, b) {
+    return a.parent == b.parent ? 1 : 2;
+  }
+  function d3_layout_treeLeft(node) {
+    var children = node.children;
+    return children && children.length ? children[0] : node._tree.thread;
+  }
+  function d3_layout_treeRight(node) {
+    var children = node.children, n;
+    return children && (n = children.length) ? children[n - 1] : node._tree.thread;
+  }
+  function d3_layout_treeSearch(node, compare) {
+    var children = node.children;
+    if (children && (n = children.length)) {
+      var child, n, i = -1;
+      while (++i < n) {
+        if (compare(child = d3_layout_treeSearch(children[i], compare), node) > 0) {
+          node = child;
+        }
+      }
+    }
+    return node;
+  }
+  function d3_layout_treeRightmost(a, b) {
+    return a.x - b.x;
+  }
+  function d3_layout_treeLeftmost(a, b) {
+    return b.x - a.x;
+  }
+  function d3_layout_treeDeepest(a, b) {
+    return a.depth - b.depth;
+  }
+  function d3_layout_treeVisitAfter(node, callback) {
+    function visit(node, previousSibling) {
+      var children = node.children;
+      if (children && (n = children.length)) {
+        var child, previousChild = null, i = -1, n;
+        while (++i < n) {
+          child = children[i];
+          visit(child, previousChild);
+          previousChild = child;
+        }
+      }
+      callback(node, previousSibling);
+    }
+    visit(node, null);
+  }
+  function d3_layout_treeShift(node) {
+    var shift = 0, change = 0, children = node.children, i = children.length, child;
+    while (--i >= 0) {
+      child = children[i]._tree;
+      child.prelim += shift;
+      child.mod += shift;
+      shift += child.shift + (change += child.change);
+    }
+  }
+  function d3_layout_treeMove(ancestor, node, shift) {
+    ancestor = ancestor._tree;
+    node = node._tree;
+    var change = shift / (node.number - ancestor.number);
+    ancestor.change += change;
+    node.change -= change;
+    node.shift += shift;
+    node.prelim += shift;
+    node.mod += shift;
+  }
+  function d3_layout_treeAncestor(vim, node, ancestor) {
+    return vim._tree.ancestor.parent == node.parent ? vim._tree.ancestor : ancestor;
+  }
+  function d3_layout_treemapPadNull(node) {
+    return {
+      x: node.x,
+      y: node.y,
+      dx: node.dx,
+      dy: node.dy
+    };
+  }
+  function d3_layout_treemapPad(node, padding) {
+    var x = node.x + padding[3], y = node.y + padding[0], dx = node.dx - padding[1] - padding[3], dy = node.dy - padding[0] - padding[2];
+    if (dx < 0) {
+      x += dx / 2;
+      dx = 0;
+    }
+    if (dy < 0) {
+      y += dy / 2;
+      dy = 0;
+    }
+    return {
+      x: x,
+      y: y,
+      dx: dx,
+      dy: dy
+    };
+  }
+  function d3_dsv(delimiter, mimeType) {
+    function dsv(url, callback) {
+      d3.text(url, mimeType, function(text) {
+        callback(text && dsv.parse(text));
+      });
+    }
+    function formatRow(row) {
+      return row.map(formatValue).join(delimiter);
+    }
+    function formatValue(text) {
+      return reFormat.test(text) ? '"' + text.replace(/\"/g, '""') + '"' : text;
+    }
+    var reParse = new RegExp("\r\n|[" + delimiter + "\r\n]", "g"), reFormat = new RegExp('["' + delimiter + "\n]"), delimiterCode = delimiter.charCodeAt(0);
+    dsv.parse = function(text) {
+      var header;
+      return dsv.parseRows(text, function(row, i) {
+        if (i) {
+          var o = {}, j = -1, m = header.length;
+          while (++j < m) o[header[j]] = row[j];
+          return o;
+        } else {
+          header = row;
+          return null;
+        }
+      });
+    };
+    dsv.parseRows = function(text, f) {
+      function token() {
+        if (reParse.lastIndex >= text.length) return EOF;
+        if (eol) {
+          eol = false;
+          return EOL;
+        }
+        var j = reParse.lastIndex;
+        if (text.charCodeAt(j) === 34) {
+          var i = j;
+          while (i++ < text.length) {
+            if (text.charCodeAt(i) === 34) {
+              if (text.charCodeAt(i + 1) !== 34) break;
+              i++;
+            }
+          }
+          reParse.lastIndex = i + 2;
+          var c = text.charCodeAt(i + 1);
+          if (c === 13) {
+            eol = true;
+            if (text.charCodeAt(i + 2) === 10) reParse.lastIndex++;
+          } else if (c === 10) {
+            eol = true;
+          }
+          return text.substring(j + 1, i).replace(/""/g, '"');
+        }
+        var m = reParse.exec(text);
+        if (m) {
+          eol = m[0].charCodeAt(0) !== delimiterCode;
+          return text.substring(j, m.index);
+        }
+        reParse.lastIndex = text.length;
+        return text.substring(j);
+      }
+      var EOL = {}, EOF = {}, rows = [], n = 0, t, eol;
+      reParse.lastIndex = 0;
+      while ((t = token()) !== EOF) {
+        var a = [];
+        while (t !== EOL && t !== EOF) {
+          a.push(t);
+          t = token();
+        }
+        if (f && !(a = f(a, n++))) continue;
+        rows.push(a);
+      }
+      return rows;
+    };
+    dsv.format = function(rows) {
+      return rows.map(formatRow).join("\n");
+    };
+    return dsv;
+  }
+  function d3_geo_type(types, defaultValue) {
+    return function(object) {
+      return object && types.hasOwnProperty(object.type) ? types[object.type](object) : defaultValue;
+    };
+  }
+  function d3_path_circle(radius) {
+    return "m0," + radius + "a" + radius + "," + radius + " 0 1,1 0," + -2 * radius + "a" + radius + "," + radius + " 0 1,1 0," + +2 * radius + "z";
+  }
+  function d3_geo_bounds(o, f) {
+    if (d3_geo_boundsTypes.hasOwnProperty(o.type)) d3_geo_boundsTypes[o.type](o, f);
+  }
+  function d3_geo_boundsFeature(o, f) {
+    d3_geo_bounds(o.geometry, f);
+  }
+  function d3_geo_boundsFeatureCollection(o, f) {
+    for (var a = o.features, i = 0, n = a.length; i < n; i++) {
+      d3_geo_bounds(a[i].geometry, f);
+    }
+  }
+  function d3_geo_boundsGeometryCollection(o, f) {
+    for (var a = o.geometries, i = 0, n = a.length; i < n; i++) {
+      d3_geo_bounds(a[i], f);
+    }
+  }
+  function d3_geo_boundsLineString(o, f) {
+    for (var a = o.coordinates, i = 0, n = a.length; i < n; i++) {
+      f.apply(null, a[i]);
+    }
+  }
+  function d3_geo_boundsMultiLineString(o, f) {
+    for (var a = o.coordinates, i = 0, n = a.length; i < n; i++) {
+      for (var b = a[i], j = 0, m = b.length; j < m; j++) {
+        f.apply(null, b[j]);
+      }
+    }
+  }
+  function d3_geo_boundsMultiPolygon(o, f) {
+    for (var a = o.coordinates, i = 0, n = a.length; i < n; i++) {
+      for (var b = a[i][0], j = 0, m = b.length; j < m; j++) {
+        f.apply(null, b[j]);
+      }
+    }
+  }
+  function d3_geo_boundsPoint(o, f) {
+    f.apply(null, o.coordinates);
+  }
+  function d3_geo_boundsPolygon(o, f) {
+    for (var a = o.coordinates[0], i = 0, n = a.length; i < n; i++) {
+      f.apply(null, a[i]);
+    }
+  }
+  function d3_geo_greatArcSource(d) {
+    return d.source;
+  }
+  function d3_geo_greatArcTarget(d) {
+    return d.target;
+  }
+  function d3_geo_greatArcInterpolator() {
+    function interpolate(t) {
+      var B = Math.sin(t *= d) * k, A = Math.sin(d - t) * k, x = A * kx0 + B * kx1, y = A * ky0 + B * ky1, z = A * sy0 + B * sy1;
+      return [ Math.atan2(y, x) / d3_geo_radians, Math.atan2(z, Math.sqrt(x * x + y * y)) / d3_geo_radians ];
+    }
+    var x0, y0, cy0, sy0, kx0, ky0, x1, y1, cy1, sy1, kx1, ky1, d, k;
+    interpolate.distance = function() {
+      if (d == null) k = 1 / Math.sin(d = Math.acos(Math.max(-1, Math.min(1, sy0 * sy1 + cy0 * cy1 * Math.cos(x1 - x0)))));
+      return d;
+    };
+    interpolate.source = function(_) {
+      var cx0 = Math.cos(x0 = _[0] * d3_geo_radians), sx0 = Math.sin(x0);
+      cy0 = Math.cos(y0 = _[1] * d3_geo_radians);
+      sy0 = Math.sin(y0);
+      kx0 = cy0 * cx0;
+      ky0 = cy0 * sx0;
+      d = null;
+      return interpolate;
+    };
+    interpolate.target = function(_) {
+      var cx1 = Math.cos(x1 = _[0] * d3_geo_radians), sx1 = Math.sin(x1);
+      cy1 = Math.cos(y1 = _[1] * d3_geo_radians);
+      sy1 = Math.sin(y1);
+      kx1 = cy1 * cx1;
+      ky1 = cy1 * sx1;
+      d = null;
+      return interpolate;
+    };
+    return interpolate;
+  }
+  function d3_geo_greatArcInterpolate(a, b) {
+    var i = d3_geo_greatArcInterpolator().source(a).target(b);
+    i.distance();
+    return i;
+  }
+  function d3_geom_contourStart(grid) {
+    var x = 0, y = 0;
+    while (true) {
+      if (grid(x, y)) {
+        return [ x, y ];
+      }
+      if (x === 0) {
+        x = y + 1;
+        y = 0;
+      } else {
+        x = x - 1;
+        y = y + 1;
+      }
+    }
+  }
+  function d3_geom_hullCCW(i1, i2, i3, v) {
+    var t, a, b, c, d, e, f;
+    t = v[i1];
+    a = t[0];
+    b = t[1];
+    t = v[i2];
+    c = t[0];
+    d = t[1];
+    t = v[i3];
+    e = t[0];
+    f = t[1];
+    return (f - b) * (c - a) - (d - b) * (e - a) > 0;
+  }
+  function d3_geom_polygonInside(p, a, b) {
+    return (b[0] - a[0]) * (p[1] - a[1]) < (b[1] - a[1]) * (p[0] - a[0]);
+  }
+  function d3_geom_polygonIntersect(c, d, a, b) {
+    var x1 = c[0], x2 = d[0], x3 = a[0], x4 = b[0], y1 = c[1], y2 = d[1], y3 = a[1], y4 = b[1], x13 = x1 - x3, x21 = x2 - x1, x43 = x4 - x3, y13 = y1 - y3, y21 = y2 - y1, y43 = y4 - y3, ua = (x43 * y13 - y43 * x13) / (y43 * x21 - x43 * y21);
+    return [ x1 + ua * x21, y1 + ua * y21 ];
+  }
+  function d3_voronoi_tessellate(vertices, callback) {
+    var Sites = {
+      list: vertices.map(function(v, i) {
+        return {
+          index: i,
+          x: v[0],
+          y: v[1]
+        };
+      }).sort(function(a, b) {
+        return a.y < b.y ? -1 : a.y > b.y ? 1 : a.x < b.x ? -1 : a.x > b.x ? 1 : 0;
+      }),
+      bottomSite: null
+    };
+    var EdgeList = {
+      list: [],
+      leftEnd: null,
+      rightEnd: null,
+      init: function() {
+        EdgeList.leftEnd = EdgeList.createHalfEdge(null, "l");
+        EdgeList.rightEnd = EdgeList.createHalfEdge(null, "l");
+        EdgeList.leftEnd.r = EdgeList.rightEnd;
+        EdgeList.rightEnd.l = EdgeList.leftEnd;
+        EdgeList.list.unshift(EdgeList.leftEnd, EdgeList.rightEnd);
+      },
+      createHalfEdge: function(edge, side) {
+        return {
+          edge: edge,
+          side: side,
+          vertex: null,
+          l: null,
+          r: null
+        };
+      },
+      insert: function(lb, he) {
+        he.l = lb;
+        he.r = lb.r;
+        lb.r.l = he;
+        lb.r = he;
+      },
+      leftBound: function(p) {
+        var he = EdgeList.leftEnd;
+        do {
+          he = he.r;
+        } while (he != EdgeList.rightEnd && Geom.rightOf(he, p));
+        he = he.l;
+        return he;
+      },
+      del: function(he) {
+        he.l.r = he.r;
+        he.r.l = he.l;
+        he.edge = null;
+      },
+      right: function(he) {
+        return he.r;
+      },
+      left: function(he) {
+        return he.l;
+      },
+      leftRegion: function(he) {
+        return he.edge == null ? Sites.bottomSite : he.edge.region[he.side];
+      },
+      rightRegion: function(he) {
+        return he.edge == null ? Sites.bottomSite : he.edge.region[d3_voronoi_opposite[he.side]];
+      }
+    };
+    var Geom = {
+      bisect: function(s1, s2) {
+        var newEdge = {
+          region: {
+            l: s1,
+            r: s2
+          },
+          ep: {
+            l: null,
+            r: null
+          }
+        };
+        var dx = s2.x - s1.x, dy = s2.y - s1.y, adx = dx > 0 ? dx : -dx, ady = dy > 0 ? dy : -dy;
+        newEdge.c = s1.x * dx + s1.y * dy + (dx * dx + dy * dy) * .5;
+        if (adx > ady) {
+          newEdge.a = 1;
+          newEdge.b = dy / dx;
+          newEdge.c /= dx;
+        } else {
+          newEdge.b = 1;
+          newEdge.a = dx / dy;
+          newEdge.c /= dy;
+        }
+        return newEdge;
+      },
+      intersect: function(el1, el2) {
+        var e1 = el1.edge, e2 = el2.edge;
+        if (!e1 || !e2 || e1.region.r == e2.region.r) {
+          return null;
+        }
+        var d = e1.a * e2.b - e1.b * e2.a;
+        if (Math.abs(d) < 1e-10) {
+          return null;
+        }
+        var xint = (e1.c * e2.b - e2.c * e1.b) / d, yint = (e2.c * e1.a - e1.c * e2.a) / d, e1r = e1.region.r, e2r = e2.region.r, el, e;
+        if (e1r.y < e2r.y || e1r.y == e2r.y && e1r.x < e2r.x) {
+          el = el1;
+          e = e1;
+        } else {
+          el = el2;
+          e = e2;
+        }
+        var rightOfSite = xint >= e.region.r.x;
+        if (rightOfSite && el.side === "l" || !rightOfSite && el.side === "r") {
+          return null;
+        }
+        return {
+          x: xint,
+          y: yint
+        };
+      },
+      rightOf: function(he, p) {
+        var e = he.edge, topsite = e.region.r, rightOfSite = p.x > topsite.x;
+        if (rightOfSite && he.side === "l") {
+          return 1;
+        }
+        if (!rightOfSite && he.side === "r") {
+          return 0;
+        }
+        if (e.a === 1) {
+          var dyp = p.y - topsite.y, dxp = p.x - topsite.x, fast = 0, above = 0;
+          if (!rightOfSite && e.b < 0 || rightOfSite && e.b >= 0) {
+            above = fast = dyp >= e.b * dxp;
+          } else {
+            above = p.x + p.y * e.b > e.c;
+            if (e.b < 0) {
+              above = !above;
+            }
+            if (!above) {
+              fast = 1;
+            }
+          }
+          if (!fast) {
+            var dxs = topsite.x - e.region.l.x;
+            above = e.b * (dxp * dxp - dyp * dyp) < dxs * dyp * (1 + 2 * dxp / dxs + e.b * e.b);
+            if (e.b < 0) {
+              above = !above;
+            }
+          }
+        } else {
+          var yl = e.c - e.a * p.x, t1 = p.y - yl, t2 = p.x - topsite.x, t3 = yl - topsite.y;
+          above = t1 * t1 > t2 * t2 + t3 * t3;
+        }
+        return he.side === "l" ? above : !above;
+      },
+      endPoint: function(edge, side, site) {
+        edge.ep[side] = site;
+        if (!edge.ep[d3_voronoi_opposite[side]]) return;
+        callback(edge);
+      },
+      distance: function(s, t) {
+        var dx = s.x - t.x, dy = s.y - t.y;
+        return Math.sqrt(dx * dx + dy * dy);
+      }
+    };
+    var EventQueue = {
+      list: [],
+      insert: function(he, site, offset) {
+        he.vertex = site;
+        he.ystar = site.y + offset;
+        for (var i = 0, list = EventQueue.list, l = list.length; i < l; i++) {
+          var next = list[i];
+          if (he.ystar > next.ystar || he.ystar == next.ystar && site.x > next.vertex.x) {
+            continue;
+          } else {
+            break;
+          }
+        }
+        list.splice(i, 0, he);
+      },
+      del: function(he) {
+        for (var i = 0, ls = EventQueue.list, l = ls.length; i < l && ls[i] != he; ++i) {}
+        ls.splice(i, 1);
+      },
+      empty: function() {
+        return EventQueue.list.length === 0;
+      },
+      nextEvent: function(he) {
+        for (var i = 0, ls = EventQueue.list, l = ls.length; i < l; ++i) {
+          if (ls[i] == he) return ls[i + 1];
+        }
+        return null;
+      },
+      min: function() {
+        var elem = EventQueue.list[0];
+        return {
+          x: elem.vertex.x,
+          y: elem.ystar
+        };
+      },
+      extractMin: function() {
+        return EventQueue.list.shift();
+      }
+    };
+    EdgeList.init();
+    Sites.bottomSite = Sites.list.shift();
+    var newSite = Sites.list.shift(), newIntStar;
+    var lbnd, rbnd, llbnd, rrbnd, bisector;
+    var bot, top, temp, p, v;
+    var e, pm;
+    while (true) {
+      if (!EventQueue.empty()) {
+        newIntStar = EventQueue.min();
+      }
+      if (newSite && (EventQueue.empty() || newSite.y < newIntStar.y || newSite.y == newIntStar.y && newSite.x < newIntStar.x)) {
+        lbnd = EdgeList.leftBound(newSite);
+        rbnd = EdgeList.right(lbnd);
+        bot = EdgeList.rightRegion(lbnd);
+        e = Geom.bisect(bot, newSite);
+        bisector = EdgeList.createHalfEdge(e, "l");
+        EdgeList.insert(lbnd, bisector);
+        p = Geom.intersect(lbnd, bisector);
+        if (p) {
+          EventQueue.del(lbnd);
+          EventQueue.insert(lbnd, p, Geom.distance(p, newSite));
+        }
+        lbnd = bisector;
+        bisector = EdgeList.createHalfEdge(e, "r");
+        EdgeList.insert(lbnd, bisector);
+        p = Geom.intersect(bisector, rbnd);
+        if (p) {
+          EventQueue.insert(bisector, p, Geom.distance(p, newSite));
+        }
+        newSite = Sites.list.shift();
+      } else if (!EventQueue.empty()) {
+        lbnd = EventQueue.extractMin();
+        llbnd = EdgeList.left(lbnd);
+        rbnd = EdgeList.right(lbnd);
+        rrbnd = EdgeList.right(rbnd);
+        bot = EdgeList.leftRegion(lbnd);
+        top = EdgeList.rightRegion(rbnd);
+        v = lbnd.vertex;
+        Geom.endPoint(lbnd.edge, lbnd.side, v);
+        Geom.endPoint(rbnd.edge, rbnd.side, v);
+        EdgeList.del(lbnd);
+        EventQueue.del(rbnd);
+        EdgeList.del(rbnd);
+        pm = "l";
+        if (bot.y > top.y) {
+          temp = bot;
+          bot = top;
+          top = temp;
+          pm = "r";
+        }
+        e = Geom.bisect(bot, top);
+        bisector = EdgeList.createHalfEdge(e, pm);
+        EdgeList.insert(llbnd, bisector);
+        Geom.endPoint(e, d3_voronoi_opposite[pm], v);
+        p = Geom.intersect(llbnd, bisector);
+        if (p) {
+          EventQueue.del(llbnd);
+          EventQueue.insert(llbnd, p, Geom.distance(p, bot));
+        }
+        p = Geom.intersect(bisector, rrbnd);
+        if (p) {
+          EventQueue.insert(bisector, p, Geom.distance(p, bot));
+        }
+      } else {
+        break;
+      }
+    }
+    for (lbnd = EdgeList.right(EdgeList.leftEnd); lbnd != EdgeList.rightEnd; lbnd = EdgeList.right(lbnd)) {
+      callback(lbnd.edge);
+    }
+  }
+  function d3_geom_quadtreeNode() {
+    return {
+      leaf: true,
+      nodes: [],
+      point: null
+    };
+  }
+  function d3_geom_quadtreeVisit(f, node, x1, y1, x2, y2) {
+    if (!f(node, x1, y1, x2, y2)) {
+      var sx = (x1 + x2) * .5, sy = (y1 + y2) * .5, children = node.nodes;
+      if (children[0]) d3_geom_quadtreeVisit(f, children[0], x1, y1, sx, sy);
+      if (children[1]) d3_geom_quadtreeVisit(f, children[1], sx, y1, x2, sy);
+      if (children[2]) d3_geom_quadtreeVisit(f, children[2], x1, sy, sx, y2);
+      if (children[3]) d3_geom_quadtreeVisit(f, children[3], sx, sy, x2, y2);
+    }
+  }
+  function d3_geom_quadtreePoint(p) {
+    return {
+      x: p[0],
+      y: p[1]
+    };
+  }
+  function d3_time_utc() {
+    this._ = new Date(arguments.length > 1 ? Date.UTC.apply(this, arguments) : arguments[0]);
+  }
+  function d3_time_formatAbbreviate(name) {
+    return name.substring(0, 3);
+  }
+  function d3_time_parse(date, template, string, j) {
+    var c, p, i = 0, n = template.length, m = string.length;
+    while (i < n) {
+      if (j >= m) return -1;
+      c = template.charCodeAt(i++);
+      if (c == 37) {
+        p = d3_time_parsers[template.charAt(i++)];
+        if (!p || (j = p(date, string, j)) < 0) return -1;
+      } else if (c != string.charCodeAt(j++)) {
+        return -1;
+      }
+    }
+    return j;
+  }
+  function d3_time_formatRe(names) {
+    return new RegExp("^(?:" + names.map(d3.requote).join("|") + ")", "i");
+  }
+  function d3_time_formatLookup(names) {
+    var map = new d3_Map, i = -1, n = names.length;
+    while (++i < n) map.set(names[i].toLowerCase(), i);
+    return map;
+  }
+  function d3_time_parseWeekdayAbbrev(date, string, i) {
+    d3_time_dayAbbrevRe.lastIndex = 0;
+    var n = d3_time_dayAbbrevRe.exec(string.substring(i));
+    return n ? i += n[0].length : -1;
+  }
+  function d3_time_parseWeekday(date, string, i) {
+    d3_time_dayRe.lastIndex = 0;
+    var n = d3_time_dayRe.exec(string.substring(i));
+    return n ? i += n[0].length : -1;
+  }
+  function d3_time_parseMonthAbbrev(date, string, i) {
+    d3_time_monthAbbrevRe.lastIndex = 0;
+    var n = d3_time_monthAbbrevRe.exec(string.substring(i));
+    return n ? (date.m = d3_time_monthAbbrevLookup.get(n[0].toLowerCase()), i += n[0].length) : -1;
+  }
+  function d3_time_parseMonth(date, string, i) {
+    d3_time_monthRe.lastIndex = 0;
+    var n = d3_time_monthRe.exec(string.substring(i));
+    return n ? (date.m = d3_time_monthLookup.get(n[0].toLowerCase()), i += n[0].length) : -1;
+  }
+  function d3_time_parseLocaleFull(date, string, i) {
+    return d3_time_parse(date, d3_time_formats.c.toString(), string, i);
+  }
+  function d3_time_parseLocaleDate(date, string, i) {
+    return d3_time_parse(date, d3_time_formats.x.toString(), string, i);
+  }
+  function d3_time_parseLocaleTime(date, string, i) {
+    return d3_time_parse(date, d3_time_formats.X.toString(), string, i);
+  }
+  function d3_time_parseFullYear(date, string, i) {
+    d3_time_numberRe.lastIndex = 0;
+    var n = d3_time_numberRe.exec(string.substring(i, i + 4));
+    return n ? (date.y = +n[0], i += n[0].length) : -1;
+  }
+  function d3_time_parseYear(date, string, i) {
+    d3_time_numberRe.lastIndex = 0;
+    var n = d3_time_numberRe.exec(string.substring(i, i + 2));
+    return n ? (date.y = d3_time_expandYear(+n[0]), i += n[0].length) : -1;
+  }
+  function d3_time_expandYear(d) {
+    return d + (d > 68 ? 1900 : 2e3);
+  }
+  function d3_time_parseMonthNumber(date, string, i) {
+    d3_time_numberRe.lastIndex = 0;
+    var n = d3_time_numberRe.exec(string.substring(i, i + 2));
+    return n ? (date.m = n[0] - 1, i += n[0].length) : -1;
+  }
+  function d3_time_parseDay(date, string, i) {
+    d3_time_numberRe.lastIndex = 0;
+    var n = d3_time_numberRe.exec(string.substring(i, i + 2));
+    return n ? (date.d = +n[0], i += n[0].length) : -1;
+  }
+  function d3_time_parseHour24(date, string, i) {
+    d3_time_numberRe.lastIndex = 0;
+    var n = d3_time_numberRe.exec(string.substring(i, i + 2));
+    return n ? (date.H = +n[0], i += n[0].length) : -1;
+  }
+  function d3_time_parseMinutes(date, string, i) {
+    d3_time_numberRe.lastIndex = 0;
+    var n = d3_time_numberRe.exec(string.substring(i, i + 2));
+    return n ? (date.M = +n[0], i += n[0].length) : -1;
+  }
+  function d3_time_parseSeconds(date, string, i) {
+    d3_time_numberRe.lastIndex = 0;
+    var n = d3_time_numberRe.exec(string.substring(i, i + 2));
+    return n ? (date.S = +n[0], i += n[0].length) : -1;
+  }
+  function d3_time_parseMilliseconds(date, string, i) {
+    d3_time_numberRe.lastIndex = 0;
+    var n = d3_time_numberRe.exec(string.substring(i, i + 3));
+    return n ? (date.L = +n[0], i += n[0].length) : -1;
+  }
+  function d3_time_parseAmPm(date, string, i) {
+    var n = d3_time_amPmLookup.get(string.substring(i, i += 2).toLowerCase());
+    return n == null ? -1 : (date.p = n, i);
+  }
+  function d3_time_zone(d) {
+    var z = d.getTimezoneOffset(), zs = z > 0 ? "-" : "+", zh = ~~(Math.abs(z) / 60), zm = Math.abs(z) % 60;
+    return zs + d3_time_zfill2(zh) + d3_time_zfill2(zm);
+  }
+  function d3_time_formatIsoNative(date) {
+    return date.toISOString();
+  }
+  function d3_time_interval(local, step, number) {
+    function round(date) {
+      var d0 = local(date), d1 = offset(d0, 1);
+      return date - d0 < d1 - date ? d0 : d1;
+    }
+    function ceil(date) {
+      step(date = local(new d3_time(date - 1)), 1);
+      return date;
+    }
+    function offset(date, k) {
+      step(date = new d3_time(+date), k);
+      return date;
+    }
+    function range(t0, t1, dt) {
+      var time = ceil(t0), times = [];
+      if (dt > 1) {
+        while (time < t1) {
+          if (!(number(time) % dt)) times.push(new Date(+time));
+          step(time, 1);
+        }
+      } else {
+        while (time < t1) times.push(new Date(+time)), step(time, 1);
+      }
+      return times;
+    }
+    function range_utc(t0, t1, dt) {
+      try {
+        d3_time = d3_time_utc;
+        var utc = new d3_time_utc;
+        utc._ = t0;
+        return range(utc, t1, dt);
+      } finally {
+        d3_time = Date;
+      }
+    }
+    local.floor = local;
+    local.round = round;
+    local.ceil = ceil;
+    local.offset = offset;
+    local.range = range;
+    var utc = local.utc = d3_time_interval_utc(local);
+    utc.floor = utc;
+    utc.round = d3_time_interval_utc(round);
+    utc.ceil = d3_time_interval_utc(ceil);
+    utc.offset = d3_time_interval_utc(offset);
+    utc.range = range_utc;
+    return local;
+  }
+  function d3_time_interval_utc(method) {
+    return function(date, k) {
+      try {
+        d3_time = d3_time_utc;
+        var utc = new d3_time_utc;
+        utc._ = date;
+        return method(utc, k)._;
+      } finally {
+        d3_time = Date;
+      }
+    };
+  }
+  function d3_time_scale(linear, methods, format) {
+    function scale(x) {
+      return linear(x);
+    }
+    scale.invert = function(x) {
+      return d3_time_scaleDate(linear.invert(x));
+    };
+    scale.domain = function(x) {
+      if (!arguments.length) return linear.domain().map(d3_time_scaleDate);
+      linear.domain(x);
+      return scale;
+    };
+    scale.nice = function(m) {
+      return scale.domain(d3_scale_nice(scale.domain(), function() {
+        return m;
+      }));
+    };
+    scale.ticks = function(m, k) {
+      var extent = d3_time_scaleExtent(scale.domain());
+      if (typeof m !== "function") {
+        var span = extent[1] - extent[0], target = span / m, i = d3.bisect(d3_time_scaleSteps, target);
+        if (i == d3_time_scaleSteps.length) return methods.year(extent, m);
+        if (!i) return linear.ticks(m).map(d3_time_scaleDate);
+        if (Math.log(target / d3_time_scaleSteps[i - 1]) < Math.log(d3_time_scaleSteps[i] / target)) --i;
+        m = methods[i];
+        k = m[1];
+        m = m[0].range;
+      }
+      return m(extent[0], new Date(+extent[1] + 1), k);
+    };
+    scale.tickFormat = function() {
+      return format;
+    };
+    scale.copy = function() {
+      return d3_time_scale(linear.copy(), methods, format);
+    };
+    return d3.rebind(scale, linear, "range", "rangeRound", "interpolate", "clamp");
+  }
+  function d3_time_scaleExtent(domain) {
+    var start = domain[0], stop = domain[domain.length - 1];
+    return start < stop ? [ start, stop ] : [ stop, start ];
+  }
+  function d3_time_scaleDate(t) {
+    return new Date(t);
+  }
+  function d3_time_scaleFormat(formats) {
+    return function(date) {
+      var i = formats.length - 1, f = formats[i];
+      while (!f[1](date)) f = formats[--i];
+      return f[0](date);
+    };
+  }
+  function d3_time_scaleSetYear(y) {
+    var d = new Date(y, 0, 1);
+    d.setFullYear(y);
+    return d;
+  }
+  function d3_time_scaleGetYear(d) {
+    var y = d.getFullYear(), d0 = d3_time_scaleSetYear(y), d1 = d3_time_scaleSetYear(y + 1);
+    return y + (d - d0) / (d1 - d0);
+  }
+  function d3_time_scaleUTCSetYear(y) {
+    var d = new Date(Date.UTC(y, 0, 1));
+    d.setUTCFullYear(y);
+    return d;
+  }
+  function d3_time_scaleUTCGetYear(d) {
+    var y = d.getUTCFullYear(), d0 = d3_time_scaleUTCSetYear(y), d1 = d3_time_scaleUTCSetYear(y + 1);
+    return y + (d - d0) / (d1 - d0);
+  }
+  if (!Date.now) Date.now = function() {
+    return +(new Date);
+  };
+  try {
+    document.createElement("div").style.setProperty("opacity", 0, "");
+  } catch (error) {
+    var d3_style_prototype = CSSStyleDeclaration.prototype, d3_style_setProperty = d3_style_prototype.setProperty;
+    d3_style_prototype.setProperty = function(name, value, priority) {
+      d3_style_setProperty.call(this, name, value + "", priority);
+    };
+  }
+  d3 = {
+    version: "2.10.2"
+  };
+  var d3_array = d3_arraySlice;
+  try {
+    d3_array(document.documentElement.childNodes)[0].nodeType;
+  } catch (e) {
+    d3_array = d3_arrayCopy;
+  }
+  var d3_arraySubclass = [].__proto__ ? function(array, prototype) {
+    array.__proto__ = prototype;
+  } : function(array, prototype) {
+    for (var property in prototype) array[property] = prototype[property];
+  };
+  d3.map = function(object) {
+    var map = new d3_Map;
+    for (var key in object) map.set(key, object[key]);
+    return map;
+  };
+  d3_class(d3_Map, {
+    has: function(key) {
+      return d3_map_prefix + key in this;
+    },
+    get: function(key) {
+      return this[d3_map_prefix + key];
+    },
+    set: function(key, value) {
+      return this[d3_map_prefix + key] = value;
+    },
+    remove: function(key) {
+      key = d3_map_prefix + key;
+      return key in this && delete this[key];
+    },
+    keys: function() {
+      var keys = [];
+      this.forEach(function(key) {
+        keys.push(key);
+      });
+      return keys;
+    },
+    values: function() {
+      var values = [];
+      this.forEach(function(key, value) {
+        values.push(value);
+      });
+      return values;
+    },
+    entries: function() {
+      var entries = [];
+      this.forEach(function(key, value) {
+        entries.push({
+          key: key,
+          value: value
+        });
+      });
+      return entries;
+    },
+    forEach: function(f) {
+      for (var key in this) {
+        if (key.charCodeAt(0) === d3_map_prefixCode) {
+          f.call(this, key.substring(1), this[key]);
+        }
+      }
+    }
+  });
+  var d3_map_prefix = "\0", d3_map_prefixCode = d3_map_prefix.charCodeAt(0);
+  d3.functor = d3_functor;
+  d3.rebind = function(target, source) {
+    var i = 1, n = arguments.length, method;
+    while (++i < n) target[method = arguments[i]] = d3_rebind(target, source, source[method]);
+    return target;
+  };
+  d3.ascending = function(a, b) {
+    return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN;
+  };
+  d3.descending = function(a, b) {
+    return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN;
+  };
+  d3.mean = function(array, f) {
+    var n = array.length, a, m = 0, i = -1, j = 0;
+    if (arguments.length === 1) {
+      while (++i < n) if (d3_number(a = array[i])) m += (a - m) / ++j;
+    } else {
+      while (++i < n) if (d3_number(a = f.call(array, array[i], i))) m += (a - m) / ++j;
+    }
+    return j ? m : undefined;
+  };
+  d3.median = function(array, f) {
+    if (arguments.length > 1) array = array.map(f);
+    array = array.filter(d3_number);
+    return array.length ? d3.quantile(array.sort(d3.ascending), .5) : undefined;
+  };
+  d3.min = function(array, f) {
+    var i = -1, n = array.length, a, b;
+    if (arguments.length === 1) {
+      while (++i < n && ((a = array[i]) == null || a != a)) a = undefined;
+      while (++i < n) if ((b = array[i]) != null && a > b) a = b;
+    } else {
+      while (++i < n && ((a = f.call(array, array[i], i)) == null || a != a)) a = undefined;
+      while (++i < n) if ((b = f.call(array, array[i], i)) != null && a > b) a = b;
+    }
+    return a;
+  };
+  d3.max = function(array, f) {
+    var i = -1, n = array.length, a, b;
+    if (arguments.length === 1) {
+      while (++i < n && ((a = array[i]) == null || a != a)) a = undefined;
+      while (++i < n) if ((b = array[i]) != null && b > a) a = b;
+    } else {
+      while (++i < n && ((a = f.call(array, array[i], i)) == null || a != a)) a = undefined;
+      while (++i < n) if ((b = f.call(array, array[i], i)) != null && b > a) a = b;
+    }
+    return a;
+  };
+  d3.extent = function(array, f) {
+    var i = -1, n = array.length, a, b, c;
+    if (arguments.length === 1) {
+      while (++i < n && ((a = c = array[i]) == null || a != a)) a = c = undefined;
+      while (++i < n) if ((b = array[i]) != null) {
+        if (a > b) a = b;
+        if (c < b) c = b;
+      }
+    } else {
+      while (++i < n && ((a = c = f.call(array, array[i], i)) == null || a != a)) a = undefined;
+      while (++i < n) if ((b = f.call(array, array[i], i)) != null) {
+        if (a > b) a = b;
+        if (c < b) c = b;
+      }
+    }
+    return [ a, c ];
+  };
+  d3.random = {
+    normal: function(µ, σ) {
+      var n = arguments.length;
+      if (n < 2) σ = 1;
+      if (n < 1) µ = 0;
+      return function() {
+        var x, y, r;
+        do {
+          x = Math.random() * 2 - 1;
+          y = Math.random() * 2 - 1;
+          r = x * x + y * y;
+        } while (!r || r > 1);
+        return µ + σ * x * Math.sqrt(-2 * Math.log(r) / r);
+      };
+    },
+    logNormal: function(µ, σ) {
+      var n = arguments.length;
+      if (n < 2) σ = 1;
+      if (n < 1) µ = 0;
+      var random = d3.random.normal();
+      return function() {
+        return Math.exp(µ + σ * random());
+      };
+    },
+    irwinHall: function(m) {
+      return function() {
+        for (var s = 0, j = 0; j < m; j++) s += Math.random();
+        return s / m;
+      };
+    }
+  };
+  d3.sum = function(array, f) {
+    var s = 0, n = array.length, a, i = -1;
+    if (arguments.length === 1) {
+      while (++i < n) if (!isNaN(a = +array[i])) s += a;
+    } else {
+      while (++i < n) if (!isNaN(a = +f.call(array, array[i], i))) s += a;
+    }
+    return s;
+  };
+  d3.quantile = function(values, p) {
+    var H = (values.length - 1) * p + 1, h = Math.floor(H), v = values[h - 1], e = H - h;
+    return e ? v + e * (values[h] - v) : v;
+  };
+  d3.transpose = function(matrix) {
+    return d3.zip.apply(d3, matrix);
+  };
+  d3.zip = function() {
+    if (!(n = arguments.length)) return [];
+    for (var i = -1, m = d3.min(arguments, d3_zipLength), zips = new Array(m); ++i < m; ) {
+      for (var j = -1, n, zip = zips[i] = new Array(n); ++j < n; ) {
+        zip[j] = arguments[j][i];
+      }
+    }
+    return zips;
+  };
+  d3.bisector = function(f) {
+    return {
+      left: function(a, x, lo, hi) {
+        if (arguments.length < 3) lo = 0;
+        if (arguments.length < 4) hi = a.length;
+        while (lo < hi) {
+          var mid = lo + hi >>> 1;
+          if (f.call(a, a[mid], mid) < x) lo = mid + 1; else hi = mid;
+        }
+        return lo;
+      },
+      right: function(a, x, lo, hi) {
+        if (arguments.length < 3) lo = 0;
+        if (arguments.length < 4) hi = a.length;
+        while (lo < hi) {
+          var mid = lo + hi >>> 1;
+          if (x < f.call(a, a[mid], mid)) hi = mid; else lo = mid + 1;
+        }
+        return lo;
+      }
+    };
+  };
+  var d3_bisector = d3.bisector(function(d) {
+    return d;
+  });
+  d3.bisectLeft = d3_bisector.left;
+  d3.bisect = d3.bisectRight = d3_bisector.right;
+  d3.first = function(array, f) {
+    var i = 0, n = array.length, a = array[0], b;
+    if (arguments.length === 1) f = d3.ascending;
+    while (++i < n) {
+      if (f.call(array, a, b = array[i]) > 0) {
+        a = b;
+      }
+    }
+    return a;
+  };
+  d3.last = function(array, f) {
+    var i = 0, n = array.length, a = array[0], b;
+    if (arguments.length === 1) f = d3.ascending;
+    while (++i < n) {
+      if (f.call(array, a, b = array[i]) <= 0) {
+        a = b;
+      }
+    }
+    return a;
+  };
+  d3.nest = function() {
+    function map(array, depth) {
+      if (depth >= keys.length) return rollup ? rollup.call(nest, array) : sortValues ? array.sort(sortValues) : array;
+      var i = -1, n = array.length, key = keys[depth++], keyValue, object, valuesByKey = new d3_Map, values, o = {};
+      while (++i < n) {
+        if (values = valuesByKey.get(keyValue = key(object = array[i]))) {
+          values.push(object);
+        } else {
+          valuesByKey.set(keyValue, [ object ]);
+        }
+      }
+      valuesByKey.forEach(function(keyValue, values) {
+        o[keyValue] = map(values, depth);
+      });
+      return o;
+    }
+    function entries(map, depth) {
+      if (depth >= keys.length) return map;
+      var a = [], sortKey = sortKeys[depth++], key;
+      for (key in map) {
+        a.push({
+          key: key,
+          values: entries(map[key], depth)
+        });
+      }
+      if (sortKey) a.sort(function(a, b) {
+        return sortKey(a.key, b.key);
+      });
+      return a;
+    }
+    var nest = {}, keys = [], sortKeys = [], sortValues, rollup;
+    nest.map = function(array) {
+      return map(array, 0);
+    };
+    nest.entries = function(array) {
+      return entries(map(array, 0), 0);
+    };
+    nest.key = function(d) {
+      keys.push(d);
+      return nest;
+    };
+    nest.sortKeys = function(order) {
+      sortKeys[keys.length - 1] = order;
+      return nest;
+    };
+    nest.sortValues = function(order) {
+      sortValues = order;
+      return nest;
+    };
+    nest.rollup = function(f) {
+      rollup = f;
+      return nest;
+    };
+    return nest;
+  };
+  d3.keys = function(map) {
+    var keys = [];
+    for (var key in map) keys.push(key);
+    return keys;
+  };
+  d3.values = function(map) {
+    var values = [];
+    for (var key in map) values.push(map[key]);
+    return values;
+  };
+  d3.entries = function(map) {
+    var entries = [];
+    for (var key in map) entries.push({
+      key: key,
+      value: map[key]
+    });
+    return entries;
+  };
+  d3.permute = function(array, indexes) {
+    var permutes = [], i = -1, n = indexes.length;
+    while (++i < n) permutes[i] = array[indexes[i]];
+    return permutes;
+  };
+  d3.merge = function(arrays) {
+    return Array.prototype.concat.apply([], arrays);
+  };
+  d3.split = function(array, f) {
+    var arrays = [], values = [], value, i = -1, n = array.length;
+    if (arguments.length < 2) f = d3_splitter;
+    while (++i < n) {
+      if (f.call(values, value = array[i], i)) {
+        values = [];
+      } else {
+        if (!values.length) arrays.push(values);
+        values.push(value);
+      }
+    }
+    return arrays;
+  };
+  d3.range = function(start, stop, step) {
+    if (arguments.length < 3) {
+      step = 1;
+      if (arguments.length < 2) {
+        stop = start;
+        start = 0;
+      }
+    }
+    if ((stop - start) / step === Infinity) throw new Error("infinite range");
+    var range = [], k = d3_range_integerScale(Math.abs(step)), i = -1, j;
+    start *= k, stop *= k, step *= k;
+    if (step < 0) while ((j = start + step * ++i) > stop) range.push(j / k); else while ((j = start + step * ++i) < stop) range.push(j / k);
+    return range;
+  };
+  d3.requote = function(s) {
+    return s.replace(d3_requote_re, "\\$&");
+  };
+  var d3_requote_re = /[\\\^\$\*\+\?\|\[\]\(\)\.\{\}]/g;
+  d3.round = function(x, n) {
+    return n ? Math.round(x * (n = Math.pow(10, n))) / n : Math.round(x);
+  };
+  d3.xhr = function(url, mime, callback) {
+    var req = new XMLHttpRequest;
+    if (arguments.length < 3) callback = mime, mime = null; else if (mime && req.overrideMimeType) req.overrideMimeType(mime);
+    req.open("GET", url, true);
+    if (mime) req.setRequestHeader("Accept", mime);
+    req.onreadystatechange = function() {
+      if (req.readyState === 4) {
+        var s = req.status;
+        callback(!s && req.response || s >= 200 && s < 300 || s === 304 ? req : null);
+      }
+    };
+    req.send(null);
+  };
+  d3.text = function(url, mime, callback) {
+    function ready(req) {
+      callback(req && req.responseText);
+    }
+    if (arguments.length < 3) {
+      callback = mime;
+      mime = null;
+    }
+    d3.xhr(url, mime, ready);
+  };
+  d3.json = function(url, callback) {
+    d3.text(url, "application/json", function(text) {
+      callback(text ? JSON.parse(text) : null);
+    });
+  };
+  d3.html = function(url, callback) {
+    d3.text(url, "text/html", function(text) {
+      if (text != null) {
+        var range = document.createRange();
+        range.selectNode(document.body);
+        text = range.createContextualFragment(text);
+      }
+      callback(text);
+    });
+  };
+  d3.xml = function(url, mime, callback) {
+    function ready(req) {
+      callback(req && req.responseXML);
+    }
+    if (arguments.length < 3) {
+      callback = mime;
+      mime = null;
+    }
+    d3.xhr(url, mime, ready);
+  };
+  var d3_nsPrefix = {
+    svg: "http://www.w3.org/2000/svg",
+    xhtml: "http://www.w3.org/1999/xhtml",
+    xlink: "http://www.w3.org/1999/xlink",
+    xml: "http://www.w3.org/XML/1998/namespace",
+    xmlns: "http://www.w3.org/2000/xmlns/"
+  };
+  d3.ns = {
+    prefix: d3_nsPrefix,
+    qualify: function(name) {
+      var i = name.indexOf(":"), prefix = name;
+      if (i >= 0) {
+        prefix = name.substring(0, i);
+        name = name.substring(i + 1);
+      }
+      return d3_nsPrefix.hasOwnProperty(prefix) ? {
+        space: d3_nsPrefix[prefix],
+        local: name
+      } : name;
+    }
+  };
+  d3.dispatch = function() {
+    var dispatch = new d3_dispatch, i = -1, n = arguments.length;
+    while (++i < n) dispatch[arguments[i]] = d3_dispatch_event(dispatch);
+    return dispatch;
+  };
+  d3_dispatch.prototype.on = function(type, listener) {
+    var i = type.indexOf("."), name = "";
+    if (i > 0) {
+      name = type.substring(i + 1);
+      type = type.substring(0, i);
+    }
+    return arguments.length < 2 ? this[type].on(name) : this[type].on(name, listener);
+  };
+  d3.format = function(specifier) {
+    var match = d3_format_re.exec(specifier), fill = match[1] || " ", sign = match[3] || "", zfill = match[5], width = +match[6], comma = match[7], precision = match[8], type = match[9], scale = 1, suffix = "", integer = false;
+    if (precision) precision = +precision.substring(1);
+    if (zfill) {
+      fill = "0";
+      if (comma) width -= Math.floor((width - 1) / 4);
+    }
+    switch (type) {
+     case "n":
+      comma = true;
+      type = "g";
+      break;
+     case "%":
+      scale = 100;
+      suffix = "%";
+      type = "f";
+      break;
+     case "p":
+      scale = 100;
+      suffix = "%";
+      type = "r";
+      break;
+     case "d":
+      integer = true;
+      precision = 0;
+      break;
+     case "s":
+      scale = -1;
+      type = "r";
+      break;
+    }
+    if (type == "r" && !precision) type = "g";
+    type = d3_format_types.get(type) || d3_format_typeDefault;
+    return function(value) {
+      if (integer && value % 1) return "";
+      var negative = value < 0 && (value = -value) ? "-" : sign;
+      if (scale < 0) {
+        var prefix = d3.formatPrefix(value, precision);
+        value = prefix.scale(value);
+        suffix = prefix.symbol;
+      } else {
+        value *= scale;
+      }
+      value = type(value, precision);
+      if (zfill) {
+        var length = value.length + negative.length;
+        if (length < width) value = (new Array(width - length + 1)).join(fill) + value;
+        if (comma) value = d3_format_group(value);
+        value = negative + value;
+      } else {
+        if (comma) value = d3_format_group(value);
+        value = negative + value;
+        var length = value.length;
+        if (length < width) value = (new Array(width - length + 1)).join(fill) + value;
+      }
+      return value + suffix;
+    };
+  };
+  var d3_format_re = /(?:([^{])?([<>=^]))?([+\- ])?(#)?(0)?([0-9]+)?(,)?(\.[0-9]+)?([a-zA-Z%])?/;
+  var d3_format_types = d3.map({
+    g: function(x, p) {
+      return x.toPrecision(p);
+    },
+    e: function(x, p) {
+      return x.toExponential(p);
+    },
+    f: function(x, p) {
+      return x.toFixed(p);
+    },
+    r: function(x, p) {
+      return d3.round(x, p = d3_format_precision(x, p)).toFixed(Math.max(0, Math.min(20, p)));
+    }
+  });
+  var d3_formatPrefixes = [ "y", "z", "a", "f", "p", "n", "μ", "m", "", "k", "M", "G", "T", "P", "E", "Z", "Y" ].map(d3_formatPrefix);
+  d3.formatPrefix = function(value, precision) {
+    var i = 0;
+    if (value) {
+      if (value < 0) value *= -1;
+      if (precision) value = d3.round(value, d3_format_precision(value, precision));
+      i = 1 + Math.floor(1e-12 + Math.log(value) / Math.LN10);
+      i = Math.max(-24, Math.min(24, Math.floor((i <= 0 ? i + 1 : i - 1) / 3) * 3));
+    }
+    return d3_formatPrefixes[8 + i / 3];
+  };
+  var d3_ease_quad = d3_ease_poly(2), d3_ease_cubic = d3_ease_poly(3), d3_ease_default = function() {
+    return d3_ease_identity;
+  };
+  var d3_ease = d3.map({
+    linear: d3_ease_default,
+    poly: d3_ease_poly,
+    quad: function() {
+      return d3_ease_quad;
+    },
+    cubic: function() {
+      return d3_ease_cubic;
+    },
+    sin: function() {
+      return d3_ease_sin;
+    },
+    exp: function() {
+      return d3_ease_exp;
+    },
+    circle: function() {
+      return d3_ease_circle;
+    },
+    elastic: d3_ease_elastic,
+    back: d3_ease_back,
+    bounce: function() {
+      return d3_ease_bounce;
+    }
+  });
+  var d3_ease_mode = d3.map({
+    "in": d3_ease_identity,
+    out: d3_ease_reverse,
+    "in-out": d3_ease_reflect,
+    "out-in": function(f) {
+      return d3_ease_reflect(d3_ease_reverse(f));
+    }
+  });
+  d3.ease = function(name) {
+    var i = name.indexOf("-"), t = i >= 0 ? name.substring(0, i) : name, m = i >= 0 ? name.substring(i + 1) : "in";
+    t = d3_ease.get(t) || d3_ease_default;
+    m = d3_ease_mode.get(m) || d3_ease_identity;
+    return d3_ease_clamp(m(t.apply(null, Array.prototype.slice.call(arguments, 1))));
+  };
+  d3.event = null;
+  d3.transform = function(string) {
+    var g = document.createElementNS(d3.ns.prefix.svg, "g");
+    return (d3.transform = function(string) {
+      g.setAttribute("transform", string);
+      var t = g.transform.baseVal.consolidate();
+      return new d3_transform(t ? t.matrix : d3_transformIdentity);
+    })(string);
+  };
+  d3_transform.prototype.toString = function() {
+    return "translate(" + this.translate + ")rotate(" + this.rotate + ")skewX(" + this.skew + ")scale(" + this.scale + ")";
+  };
+  var d3_transformDegrees = 180 / Math.PI, d3_transformIdentity = {
+    a: 1,
+    b: 0,
+    c: 0,
+    d: 1,
+    e: 0,
+    f: 0
+  };
+  d3.interpolate = function(a, b) {
+    var i = d3.interpolators.length, f;
+    while (--i >= 0 && !(f = d3.interpolators[i](a, b))) ;
+    return f;
+  };
+  d3.interpolateNumber = function(a, b) {
+    b -= a;
+    return function(t) {
+      return a + b * t;
+    };
+  };
+  d3.interpolateRound = function(a, b) {
+    b -= a;
+    return function(t) {
+      return Math.round(a + b * t);
+    };
+  };
+  d3.interpolateString = function(a, b) {
+    var m, i, j, s0 = 0, s1 = 0, s = [], q = [], n, o;
+    d3_interpolate_number.lastIndex = 0;
+    for (i = 0; m = d3_interpolate_number.exec(b); ++i) {
+      if (m.index) s.push(b.substring(s0, s1 = m.index));
+      q.push({
+        i: s.length,
+        x: m[0]
+      });
+      s.push(null);
+      s0 = d3_interpolate_number.lastIndex;
+    }
+    if (s0 < b.length) s.push(b.substring(s0));
+    for (i = 0, n = q.length; (m = d3_interpolate_number.exec(a)) && i < n; ++i) {
+      o = q[i];
+      if (o.x == m[0]) {
+        if (o.i) {
+          if (s[o.i + 1] == null) {
+            s[o.i - 1] += o.x;
+            s.splice(o.i, 1);
+            for (j = i + 1; j < n; ++j) q[j].i--;
+          } else {
+            s[o.i - 1] += o.x + s[o.i + 1];
+            s.splice(o.i, 2);
+            for (j = i + 1; j < n; ++j) q[j].i -= 2;
+          }
+        } else {
+          if (s[o.i + 1] == null) {
+            s[o.i] = o.x;
+          } else {
+            s[o.i] = o.x + s[o.i + 1];
+            s.splice(o.i + 1, 1);
+            for (j = i + 1; j < n; ++j) q[j].i--;
+          }
+        }
+        q.splice(i, 1);
+        n--;
+        i--;
+      } else {
+        o.x = d3.interpolateNumber(parseFloat(m[0]), parseFloat(o.x));
+      }
+    }
+    while (i < n) {
+      o = q.pop();
+      if (s[o.i + 1] == null) {
+        s[o.i] = o.x;
+      } else {
+        s[o.i] = o.x + s[o.i + 1];
+        s.splice(o.i + 1, 1);
+      }
+      n--;
+    }
+    if (s.length === 1) {
+      return s[0] == null ? q[0].x : function() {
+        return b;
+      };
+    }
+    return function(t) {
+      for (i = 0; i < n; ++i) s[(o = q[i]).i] = o.x(t);
+      return s.join("");
+    };
+  };
+  d3.interpolateTransform = function(a, b) {
+    var s = [], q = [], n, A = d3.transform(a), B = d3.transform(b), ta = A.translate, tb = B.translate, ra = A.rotate, rb = B.rotate, wa = A.skew, wb = B.skew, ka = A.scale, kb = B.scale;
+    if (ta[0] != tb[0] || ta[1] != tb[1]) {
+      s.push("translate(", null, ",", null, ")");
+      q.push({
+        i: 1,
+        x: d3.interpolateNumber(ta[0], tb[0])
+      }, {
+        i: 3,
+        x: d3.interpolateNumber(ta[1], tb[1])
+      });
+    } else if (tb[0] || tb[1]) {
+      s.push("translate(" + tb + ")");
+    } else {
+      s.push("");
+    }
+    if (ra != rb) {
+      if (ra - rb > 180) rb += 360; else if (rb - ra > 180) ra += 360;
+      q.push({
+        i: s.push(s.pop() + "rotate(", null, ")") - 2,
+        x: d3.interpolateNumber(ra, rb)
+      });
+    } else if (rb) {
+      s.push(s.pop() + "rotate(" + rb + ")");
+    }
+    if (wa != wb) {
+      q.push({
+        i: s.push(s.pop() + "skewX(", null, ")") - 2,
+        x: d3.interpolateNumber(wa, wb)
+      });
+    } else if (wb) {
+      s.push(s.pop() + "skewX(" + wb + ")");
+    }
+    if (ka[0] != kb[0] || ka[1] != kb[1]) {
+      n = s.push(s.pop() + "scale(", null, ",", null, ")");
+      q.push({
+        i: n - 4,
+        x: d3.interpolateNumber(ka[0], kb[0])
+      }, {
+        i: n - 2,
+        x: d3.interpolateNumber(ka[1], kb[1])
+      });
+    } else if (kb[0] != 1 || kb[1] != 1) {
+      s.push(s.pop() + "scale(" + kb + ")");
+    }
+    n = q.length;
+    return function(t) {
+      var i = -1, o;
+      while (++i < n) s[(o = q[i]).i] = o.x(t);
+      return s.join("");
+    };
+  };
+  d3.interpolateRgb = function(a, b) {
+    a = d3.rgb(a);
+    b = d3.rgb(b);
+    var ar = a.r, ag = a.g, ab = a.b, br = b.r - ar, bg = b.g - ag, bb = b.b - ab;
+    return function(t) {
+      return "#" + d3_rgb_hex(Math.round(ar + br * t)) + d3_rgb_hex(Math.round(ag + bg * t)) + d3_rgb_hex(Math.round(ab + bb * t));
+    };
+  };
+  d3.interpolateHsl = function(a, b) {
+    a = d3.hsl(a);
+    b = d3.hsl(b);
+    var h0 = a.h, s0 = a.s, l0 = a.l, h1 = b.h - h0, s1 = b.s - s0, l1 = b.l - l0;
+    if (h1 > 180) h1 -= 360; else if (h1 < -180) h1 += 360;
+    return function(t) {
+      return d3_hsl_rgb(h0 + h1 * t, s0 + s1 * t, l0 + l1 * t) + "";
+    };
+  };
+  d3.interpolateLab = function(a, b) {
+    a = d3.lab(a);
+    b = d3.lab(b);
+    var al = a.l, aa = a.a, ab = a.b, bl = b.l - al, ba = b.a - aa, bb = b.b - ab;
+    return function(t) {
+      return d3_lab_rgb(al + bl * t, aa + ba * t, ab + bb * t) + "";
+    };
+  };
+  d3.interpolateHcl = function(a, b) {
+    a = d3.hcl(a);
+    b = d3.hcl(b);
+    var ah = a.h, ac = a.c, al = a.l, bh = b.h - ah, bc = b.c - ac, bl = b.l - al;
+    if (bh > 180) bh -= 360; else if (bh < -180) bh += 360;
+    return function(t) {
+      return d3_hcl_lab(ah + bh * t, ac + bc * t, al + bl * t) + "";
+    };
+  };
+  d3.interpolateArray = function(a, b) {
+    var x = [], c = [], na = a.length, nb = b.length, n0 = Math.min(a.length, b.length), i;
+    for (i = 0; i < n0; ++i) x.push(d3.interpolate(a[i], b[i]));
+    for (; i < na; ++i) c[i] = a[i];
+    for (; i < nb; ++i) c[i] = b[i];
+    return function(t) {
+      for (i = 0; i < n0; ++i) c[i] = x[i](t);
+      return c;
+    };
+  };
+  d3.interpolateObject = function(a, b) {
+    var i = {}, c = {}, k;
+    for (k in a) {
+      if (k in b) {
+        i[k] = d3_interpolateByName(k)(a[k], b[k]);
+      } else {
+        c[k] = a[k];
+      }
+    }
+    for (k in b) {
+      if (!(k in a)) {
+        c[k] = b[k];
+      }
+    }
+    return function(t) {
+      for (k in i) c[k] = i[k](t);
+      return c;
+    };
+  };
+  var d3_interpolate_number = /[-+]?(?:\d+\.?\d*|\.?\d+)(?:[eE][-+]?\d+)?/g;
+  d3.interpolators = [ d3.interpolateObject, function(a, b) {
+    return b instanceof Array && d3.interpolateArray(a, b);
+  }, function(a, b) {
+    return (typeof a === "string" || typeof b === "string") && d3.interpolateString(a + "", b + "");
+  }, function(a, b) {
+    return (typeof b === "string" ? d3_rgb_names.has(b) || /^(#|rgb\(|hsl\()/.test(b) : b instanceof d3_Rgb || b instanceof d3_Hsl) && d3.interpolateRgb(a, b);
+  }, function(a, b) {
+    return !isNaN(a = +a) && !isNaN(b = +b) && d3.interpolateNumber(a, b);
+  } ];
+  d3.rgb = function(r, g, b) {
+    return arguments.length === 1 ? r instanceof d3_Rgb ? d3_rgb(r.r, r.g, r.b) : d3_rgb_parse("" + r, d3_rgb, d3_hsl_rgb) : d3_rgb(~~r, ~~g, ~~b);
+  };
+  d3_Rgb.prototype.brighter = function(k) {
+    k = Math.pow(.7, arguments.length ? k : 1);
+    var r = this.r, g = this.g, b = this.b, i = 30;
+    if (!r && !g && !b) return d3_rgb(i, i, i);
+    if (r && r < i) r = i;
+    if (g && g < i) g = i;
+    if (b && b < i) b = i;
+    return d3_rgb(Math.min(255, Math.floor(r / k)), Math.min(255, Math.floor(g / k)), Math.min(255, Math.floor(b / k)));
+  };
+  d3_Rgb.prototype.darker = function(k) {
+    k = Math.pow(.7, arguments.length ? k : 1);
+    return d3_rgb(Math.floor(k * this.r), Math.floor(k * this.g), Math.floor(k * this.b));
+  };
+  d3_Rgb.prototype.hsl = function() {
+    return d3_rgb_hsl(this.r, this.g, this.b);
+  };
+  d3_Rgb.prototype.toString = function() {
+    return "#" + d3_rgb_hex(this.r) + d3_rgb_hex(this.g) + d3_rgb_hex(this.b);
+  };
+  var d3_rgb_names = d3.map({
+    aliceblue: "#f0f8ff",
+    antiquewhite: "#faebd7",
+    aqua: "#00ffff",
+    aquamarine: "#7fffd4",
+    azure: "#f0ffff",
+    beige: "#f5f5dc",
+    bisque: "#ffe4c4",
+    black: "#000000",
+    blanchedalmond: "#ffebcd",
+    blue: "#0000ff",
+    blueviolet: "#8a2be2",
+    brown: "#a52a2a",
+    burlywood: "#deb887",
+    cadetblue: "#5f9ea0",
+    chartreuse: "#7fff00",
+    chocolate: "#d2691e",
+    coral: "#ff7f50",
+    cornflowerblue: "#6495ed",
+    cornsilk: "#fff8dc",
+    crimson: "#dc143c",
+    cyan: "#00ffff",
+    darkblue: "#00008b",
+    darkcyan: "#008b8b",
+    darkgoldenrod: "#b8860b",
+    darkgray: "#a9a9a9",
+    darkgreen: "#006400",
+    darkgrey: "#a9a9a9",
+    darkkhaki: "#bdb76b",
+    darkmagenta: "#8b008b",
+    darkolivegreen: "#556b2f",
+    darkorange: "#ff8c00",
+    darkorchid: "#9932cc",
+    darkred: "#8b0000",
+    darksalmon: "#e9967a",
+    darkseagreen: "#8fbc8f",
+    darkslateblue: "#483d8b",
+    darkslategray: "#2f4f4f",
+    darkslategrey: "#2f4f4f",
+    darkturquoise: "#00ced1",
+    darkviolet: "#9400d3",
+    deeppink: "#ff1493",
+    deepskyblue: "#00bfff",
+    dimgray: "#696969",
+    dimgrey: "#696969",
+    dodgerblue: "#1e90ff",
+    firebrick: "#b22222",
+    floralwhite: "#fffaf0",
+    forestgreen: "#228b22",
+    fuchsia: "#ff00ff",
+    gainsboro: "#dcdcdc",
+    ghostwhite: "#f8f8ff",
+    gold: "#ffd700",
+    goldenrod: "#daa520",
+    gray: "#808080",
+    green: "#008000",
+    greenyellow: "#adff2f",
+    grey: "#808080",
+    honeydew: "#f0fff0",
+    hotpink: "#ff69b4",
+    indianred: "#cd5c5c",
+    indigo: "#4b0082",
+    ivory: "#fffff0",
+    khaki: "#f0e68c",
+    lavender: "#e6e6fa",
+    lavenderblush: "#fff0f5",
+    lawngreen: "#7cfc00",
+    lemonchiffon: "#fffacd",
+    lightblue: "#add8e6",
+    lightcoral: "#f08080",
+    lightcyan: "#e0ffff",
+    lightgoldenrodyellow: "#fafad2",
+    lightgray: "#d3d3d3",
+    lightgreen: "#90ee90",
+    lightgrey: "#d3d3d3",
+    lightpink: "#ffb6c1",
+    lightsalmon: "#ffa07a",
+    lightseagreen: "#20b2aa",
+    lightskyblue: "#87cefa",
+    lightslategray: "#778899",
+    lightslategrey: "#778899",
+    lightsteelblue: "#b0c4de",
+    lightyellow: "#ffffe0",
+    lime: "#00ff00",
+    limegreen: "#32cd32",
+    linen: "#faf0e6",
+    magenta: "#ff00ff",
+    maroon: "#800000",
+    mediumaquamarine: "#66cdaa",
+    mediumblue: "#0000cd",
+    mediumorchid: "#ba55d3",
+    mediumpurple: "#9370db",
+    mediumseagreen: "#3cb371",
+    mediumslateblue: "#7b68ee",
+    mediumspringgreen: "#00fa9a",
+    mediumturquoise: "#48d1cc",
+    mediumvioletred: "#c71585",
+    midnightblue: "#191970",
+    mintcream: "#f5fffa",
+    mistyrose: "#ffe4e1",
+    moccasin: "#ffe4b5",
+    navajowhite: "#ffdead",
+    navy: "#000080",
+    oldlace: "#fdf5e6",
+    olive: "#808000",
+    olivedrab: "#6b8e23",
+    orange: "#ffa500",
+    orangered: "#ff4500",
+    orchid: "#da70d6",
+    palegoldenrod: "#eee8aa",
+    palegreen: "#98fb98",
+    paleturquoise: "#afeeee",
+    palevioletred: "#db7093",
+    papayawhip: "#ffefd5",
+    peachpuff: "#ffdab9",
+    peru: "#cd853f",
+    pink: "#ffc0cb",
+    plum: "#dda0dd",
+    powderblue: "#b0e0e6",
+    purple: "#800080",
+    red: "#ff0000",
+    rosybrown: "#bc8f8f",
+    royalblue: "#4169e1",
+    saddlebrown: "#8b4513",
+    salmon: "#fa8072",
+    sandybrown: "#f4a460",
+    seagreen: "#2e8b57",
+    seashell: "#fff5ee",
+    sienna: "#a0522d",
+    silver: "#c0c0c0",
+    skyblue: "#87ceeb",
+    slateblue: "#6a5acd",
+    slategray: "#708090",
+    slategrey: "#708090",
+    snow: "#fffafa",
+    springgreen: "#00ff7f",
+    steelblue: "#4682b4",
+    tan: "#d2b48c",
+    teal: "#008080",
+    thistle: "#d8bfd8",
+    tomato: "#ff6347",
+    turquoise: "#40e0d0",
+    violet: "#ee82ee",
+    wheat: "#f5deb3",
+    white: "#ffffff",
+    whitesmoke: "#f5f5f5",
+    yellow: "#ffff00",
+    yellowgreen: "#9acd32"
+  });
+  d3_rgb_names.forEach(function(key, value) {
+    d3_rgb_names.set(key, d3_rgb_parse(value, d3_rgb, d3_hsl_rgb));
+  });
+  d3.hsl = function(h, s, l) {
+    return arguments.length === 1 ? h instanceof d3_Hsl ? d3_hsl(h.h, h.s, h.l) : d3_rgb_parse("" + h, d3_rgb_hsl, d3_hsl) : d3_hsl(+h, +s, +l);
+  };
+  d3_Hsl.prototype.brighter = function(k) {
+    k = Math.pow(.7, arguments.length ? k : 1);
+    return d3_hsl(this.h, this.s, this.l / k);
+  };
+  d3_Hsl.prototype.darker = function(k) {
+    k = Math.pow(.7, arguments.length ? k : 1);
+    return d3_hsl(this.h, this.s, k * this.l);
+  };
+  d3_Hsl.prototype.rgb = function() {
+    return d3_hsl_rgb(this.h, this.s, this.l);
+  };
+  d3_Hsl.prototype.toString = function() {
+    return this.rgb().toString();
+  };
+  d3.hcl = function(h, c, l) {
+    return arguments.length === 1 ? h instanceof d3_Hcl ? d3_hcl(h.h, h.c, h.l) : h instanceof d3_Lab ? d3_lab_hcl(h.l, h.a, h.b) : d3_lab_hcl((h = d3_rgb_lab((h = d3.rgb(h)).r, h.g, h.b)).l, h.a, h.b) : d3_hcl(+h, +c, +l);
+  };
+  d3_Hcl.prototype.brighter = function(k) {
+    return d3_hcl(this.h, this.c, Math.min(100, this.l + d3_lab_K * (arguments.length ? k : 1)));
+  };
+  d3_Hcl.prototype.darker = function(k) {
+    return d3_hcl(this.h, this.c, Math.max(0, this.l - d3_lab_K * (arguments.length ? k : 1)));
+  };
+  d3_Hcl.prototype.rgb = function() {
+    return d3_hcl_lab(this.h, this.c, this.l).rgb();
+  };
+  d3_Hcl.prototype.toString = function() {
+    return this.rgb() + "";
+  };
+  d3.lab = function(l, a, b) {
+    return arguments.length === 1 ? l instanceof d3_Lab ? d3_lab(l.l, l.a, l.b) : l instanceof d3_Hcl ? d3_hcl_lab(l.l, l.c, l.h) : d3_rgb_lab((l = d3.rgb(l)).r, l.g, l.b) : d3_lab(+l, +a, +b);
+  };
+  var d3_lab_K = 18;
+  var d3_lab_X = .95047, d3_lab_Y = 1, d3_lab_Z = 1.08883;
+  d3_Lab.prototype.brighter = function(k) {
+    return d3_lab(Math.min(100, this.l + d3_lab_K * (arguments.length ? k : 1)), this.a, this.b);
+  };
+  d3_Lab.prototype.darker = function(k) {
+    return d3_lab(Math.max(0, this.l - d3_lab_K * (arguments.length ? k : 1)), this.a, this.b);
+  };
+  d3_Lab.prototype.rgb = function() {
+    return d3_lab_rgb(this.l, this.a, this.b);
+  };
+  d3_Lab.prototype.toString = function() {
+    return this.rgb() + "";
+  };
+  var d3_select = function(s, n) {
+    return n.querySelector(s);
+  }, d3_selectAll = function(s, n) {
+    return n.querySelectorAll(s);
+  }, d3_selectRoot = document.documentElement, d3_selectMatcher = d3_selectRoot.matchesSelector || d3_selectRoot.webkitMatchesSelector || d3_selectRoot.mozMatchesSelector || d3_selectRoot.msMatchesSelector || d3_selectRoot.oMatchesSelector, d3_selectMatches = function(n, s) {
+    return d3_selectMatcher.call(n, s);
+  };
+  if (typeof Sizzle === "function") {
+    d3_select = function(s, n) {
+      return Sizzle(s, n)[0] || null;
+    };
+    d3_selectAll = function(s, n) {
+      return Sizzle.uniqueSort(Sizzle(s, n));
+    };
+    d3_selectMatches = Sizzle.matchesSelector;
+  }
+  var d3_selectionPrototype = [];
+  d3.selection = function() {
+    return d3_selectionRoot;
+  };
+  d3.selection.prototype = d3_selectionPrototype;
+  d3_selectionPrototype.select = function(selector) {
+    var subgroups = [], subgroup, subnode, group, node;
+    if (typeof selector !== "function") selector = d3_selection_selector(selector);
+    for (var j = -1, m = this.length; ++j < m; ) {
+      subgroups.push(subgroup = []);
+      subgroup.parentNode = (group = this[j]).parentNode;
+      for (var i = -1, n = group.length; ++i < n; ) {
+        if (node = group[i]) {
+          subgroup.push(subnode = selector.call(node, node.__data__, i));
+          if (subnode && "__data__" in node) subnode.__data__ = node.__data__;
+        } else {
+          subgroup.push(null);
+        }
+      }
+    }
+    return d3_selection(subgroups);
+  };
+  d3_selectionPrototype.selectAll = function(selector) {
+    var subgroups = [], subgroup, node;
+    if (typeof selector !== "function") selector = d3_selection_selectorAll(selector);
+    for (var j = -1, m = this.length; ++j < m; ) {
+      for (var group = this[j], i = -1, n = group.length; ++i < n; ) {
+        if (node = group[i]) {
+          subgroups.push(subgroup = d3_array(selector.call(node, node.__data__, i)));
+          subgroup.parentNode = node;
+        }
+      }
+    }
+    return d3_selection(subgroups);
+  };
+  d3_selectionPrototype.attr = function(name, value) {
+    if (arguments.length < 2) {
+      if (typeof name === "string") {
+        var node = this.node();
+        name = d3.ns.qualify(name);
+        return name.local ? node.getAttributeNS(name.space, name.local) : node.getAttribute(name);
+      }
+      for (value in name) this.each(d3_selection_attr(value, name[value]));
+      return this;
+    }
+    return this.each(d3_selection_attr(name, value));
+  };
+  d3_selectionPrototype.classed = function(name, value) {
+    if (arguments.length < 2) {
+      if (typeof name === "string") {
+        var node = this.node(), n = (name = name.trim().split(/^|\s+/g)).length, i = -1;
+        if (value = node.classList) {
+          while (++i < n) if (!value.contains(name[i])) return false;
+        } else {
+          value = node.className;
+          if (value.baseVal != null) value = value.baseVal;
+          while (++i < n) if (!d3_selection_classedRe(name[i]).test(value)) return false;
+        }
+        return true;
+      }
+      for (value in name) this.each(d3_selection_classed(value, name[value]));
+      return this;
+    }
+    return this.each(d3_selection_classed(name, value));
+  };
+  d3_selectionPrototype.style = function(name, value, priority) {
+    var n = arguments.length;
+    if (n < 3) {
+      if (typeof name !== "string") {
+        if (n < 2) value = "";
+        for (priority in name) this.each(d3_selection_style(priority, name[priority], value));
+        return this;
+      }
+      if (n < 2) return window.getComputedStyle(this.node(), null).getPropertyValue(name);
+      priority = "";
+    }
+    return this.each(d3_selection_style(name, value, priority));
+  };
+  d3_selectionPrototype.property = function(name, value) {
+    if (arguments.length < 2) {
+      if (typeof name === "string") return this.node()[name];
+      for (value in name) this.each(d3_selection_property(value, name[value]));
+      return this;
+    }
+    return this.each(d3_selection_property(name, value));
+  };
+  d3_selectionPrototype.text = function(value) {
+    return arguments.length < 1 ? this.node().textContent : this.each(typeof value === "function" ? function() {
+      var v = value.apply(this, arguments);
+      this.textContent = v == null ? "" : v;
+    } : value == null ? function() {
+      this.textContent = "";
+    } : function() {
+      this.textContent = value;
+    });
+  };
+  d3_selectionPrototype.html = function(value) {
+    return arguments.length < 1 ? this.node().innerHTML : this.each(typeof value === "function" ? function() {
+      var v = value.apply(this, arguments);
+      this.innerHTML = v == null ? "" : v;
+    } : value == null ? function() {
+      this.innerHTML = "";
+    } : function() {
+      this.innerHTML = value;
+    });
+  };
+  d3_selectionPrototype.append = function(name) {
+    function append() {
+      return this.appendChild(document.createElementNS(this.namespaceURI, name));
+    }
+    function appendNS() {
+      return this.appendChild(document.createElementNS(name.space, name.local));
+    }
+    name = d3.ns.qualify(name);
+    return this.select(name.local ? appendNS : append);
+  };
+  d3_selectionPrototype.insert = function(name, before) {
+    function insert() {
+      return this.insertBefore(document.createElementNS(this.namespaceURI, name), d3_select(before, this));
+    }
+    function insertNS() {
+      return this.insertBefore(document.createElementNS(name.space, name.local), d3_select(before, this));
+    }
+    name = d3.ns.qualify(name);
+    return this.select(name.local ? insertNS : insert);
+  };
+  d3_selectionPrototype.remove = function() {
+    return this.each(function() {
+      var parent = this.parentNode;
+      if (parent) parent.removeChild(this);
+    });
+  };
+  d3_selectionPrototype.data = function(value, key) {
+    function bind(group, groupData) {
+      var i, n = group.length, m = groupData.length, n0 = Math.min(n, m), n1 = Math.max(n, m), updateNodes = [], enterNodes = [], exitNodes = [], node, nodeData;
+      if (key) {
+        var nodeByKeyValue = new d3_Map, keyValues = [], keyValue, j = groupData.length;
+        for (i = -1; ++i < n; ) {
+          keyValue = key.call(node = group[i], node.__data__, i);
+          if (nodeByKeyValue.has(keyValue)) {
+            exitNodes[j++] = node;
+          } else {
+            nodeByKeyValue.set(keyValue, node);
+          }
+          keyValues.push(keyValue);
+        }
+        for (i = -1; ++i < m; ) {
+          keyValue = key.call(groupData, nodeData = groupData[i], i);
+          if (nodeByKeyValue.has(keyValue)) {
+            updateNodes[i] = node = nodeByKeyValue.get(keyValue);
+            node.__data__ = nodeData;
+            enterNodes[i] = exitNodes[i] = null;
+          } else {
+            enterNodes[i] = d3_selection_dataNode(nodeData);
+            updateNodes[i] = exitNodes[i] = null;
+          }
+          nodeByKeyValue.remove(keyValue);
+        }
+        for (i = -1; ++i < n; ) {
+          if (nodeByKeyValue.has(keyValues[i])) {
+            exitNodes[i] = group[i];
+          }
+        }
+      } else {
+        for (i = -1; ++i < n0; ) {
+          node = group[i];
+          nodeData = groupData[i];
+          if (node) {
+            node.__data__ = nodeData;
+            updateNodes[i] = node;
+            enterNodes[i] = exitNodes[i] = null;
+          } else {
+            enterNodes[i] = d3_selection_dataNode(nodeData);
+            updateNodes[i] = exitNodes[i] = null;
+          }
+        }
+        for (; i < m; ++i) {
+          enterNodes[i] = d3_selection_dataNode(groupData[i]);
+          updateNodes[i] = exitNodes[i] = null;
+        }
+        for (; i < n1; ++i) {
+          exitNodes[i] = group[i];
+          enterNodes[i] = updateNodes[i] = null;
+        }
+      }
+      enterNodes.update = updateNodes;
+      enterNodes.parentNode = updateNodes.parentNode = exitNodes.parentNode = group.parentNode;
+      enter.push(enterNodes);
+      update.push(updateNodes);
+      exit.push(exitNodes);
+    }
+    var i = -1, n = this.length, group, node;
+    if (!arguments.length) {
+      value = new Array(n = (group = this[0]).length);
+      while (++i < n) {
+        if (node = group[i]) {
+          value[i] = node.__data__;
+        }
+      }
+      return value;
+    }
+    var enter = d3_selection_enter([]), update = d3_selection([]), exit = d3_selection([]);
+    if (typeof value === "function") {
+      while (++i < n) {
+        bind(group = this[i], value.call(group, group.parentNode.__data__, i));
+      }
+    } else {
+      while (++i < n) {
+        bind(group = this[i], value);
+      }
+    }
+    update.enter = function() {
+      return enter;
+    };
+    update.exit = function() {
+      return exit;
+    };
+    return update;
+  };
+  d3_selectionPrototype.datum = d3_selectionPrototype.map = function(value) {
+    return arguments.length < 1 ? this.property("__data__") : this.property("__data__", value);
+  };
+  d3_selectionPrototype.filter = function(filter) {
+    var subgroups = [], subgroup, group, node;
+    if (typeof filter !== "function") filter = d3_selection_filter(filter);
+    for (var j = 0, m = this.length; j < m; j++) {
+      subgroups.push(subgroup = []);
+      subgroup.parentNode = (group = this[j]).parentNode;
+      for (var i = 0, n = group.length; i < n; i++) {
+        if ((node = group[i]) && filter.call(node, node.__data__, i)) {
+          subgroup.push(node);
+        }
+      }
+    }
+    return d3_selection(subgroups);
+  };
+  d3_selectionPrototype.order = function() {
+    for (var j = -1, m = this.length; ++j < m; ) {
+      for (var group = this[j], i = group.length - 1, next = group[i], node; --i >= 0; ) {
+        if (node = group[i]) {
+          if (next && next !== node.nextSibling) next.parentNode.insertBefore(node, next);
+          next = node;
+        }
+      }
+    }
+    return this;
+  };
+  d3_selectionPrototype.sort = function(comparator) {
+    comparator = d3_selection_sortComparator.apply(this, arguments);
+    for (var j = -1, m = this.length; ++j < m; ) this[j].sort(comparator);
+    return this.order();
+  };
+  d3_selectionPrototype.on = function(type, listener, capture) {
+    var n = arguments.length;
+    if (n < 3) {
+      if (typeof type !== "string") {
+        if (n < 2) listener = false;
+        for (capture in type) this.each(d3_selection_on(capture, type[capture], listener));
+        return this;
+      }
+      if (n < 2) return (n = this.node()["__on" + type]) && n._;
+      capture = false;
+    }
+    return this.each(d3_selection_on(type, listener, capture));
+  };
+  d3_selectionPrototype.each = function(callback) {
+    return d3_selection_each(this, function(node, i, j) {
+      callback.call(node, node.__data__, i, j);
+    });
+  };
+  d3_selectionPrototype.call = function(callback) {
+    callback.apply(this, (arguments[0] = this, arguments));
+    return this;
+  };
+  d3_selectionPrototype.empty = function() {
+    return !this.node();
+  };
+  d3_selectionPrototype.node = function(callback) {
+    for (var j = 0, m = this.length; j < m; j++) {
+      for (var group = this[j], i = 0, n = group.length; i < n; i++) {
+        var node = group[i];
+        if (node) return node;
+      }
+    }
+    return null;
+  };
+  d3_selectionPrototype.transition = function() {
+    var subgroups = [], subgroup, node;
+    for (var j = -1, m = this.length; ++j < m; ) {
+      subgroups.push(subgroup = []);
+      for (var group = this[j], i = -1, n = group.length; ++i < n; ) {
+        subgroup.push((node = group[i]) ? {
+          node: node,
+          delay: d3_transitionDelay,
+          duration: d3_transitionDuration
+        } : null);
+      }
+    }
+    return d3_transition(subgroups, d3_transitionId || ++d3_transitionNextId, Date.now());
+  };
+  var d3_selectionRoot = d3_selection([ [ document ] ]);
+  d3_selectionRoot[0].parentNode = d3_selectRoot;
+  d3.select = function(selector) {
+    return typeof selector === "string" ? d3_selectionRoot.select(selector) : d3_selection([ [ selector ] ]);
+  };
+  d3.selectAll = function(selector) {
+    return typeof selector === "string" ? d3_selectionRoot.selectAll(selector) : d3_selection([ d3_array(selector) ]);
+  };
+  var d3_selection_enterPrototype = [];
+  d3.selection.enter = d3_selection_enter;
+  d3.selection.enter.prototype = d3_selection_enterPrototype;
+  d3_selection_enterPrototype.append = d3_selectionPrototype.append;
+  d3_selection_enterPrototype.insert = d3_selectionPrototype.insert;
+  d3_selection_enterPrototype.empty = d3_selectionPrototype.empty;
+  d3_selection_enterPrototype.node = d3_selectionPrototype.node;
+  d3_selection_enterPrototype.select = function(selector) {
+    var subgroups = [], subgroup, subnode, upgroup, group, node;
+    for (var j = -1, m = this.length; ++j < m; ) {
+      upgroup = (group = this[j]).update;
+      subgroups.push(subgroup = []);
+      subgroup.parentNode = group.parentNode;
+      for (var i = -1, n = group.length; ++i < n; ) {
+        if (node = group[i]) {
+          subgroup.push(upgroup[i] = subnode = selector.call(group.parentNode, node.__data__, i));
+          subnode.__data__ = node.__data__;
+        } else {
+          subgroup.push(null);
+        }
+      }
+    }
+    return d3_selection(subgroups);
+  };
+  var d3_transitionPrototype = [], d3_transitionNextId = 0, d3_transitionId = 0, d3_transitionDefaultDelay = 0, d3_transitionDefaultDuration = 250, d3_transitionDefaultEase = d3.ease("cubic-in-out"), d3_transitionDelay = d3_transitionDefaultDelay, d3_transitionDuration = d3_transitionDefaultDuration, d3_transitionEase = d3_transitionDefaultEase;
+  d3_transitionPrototype.call = d3_selectionPrototype.call;
+  d3.transition = function(selection) {
+    return arguments.length ? d3_transitionId ? selection.transition() : selection : d3_selectionRoot.transition();
+  };
+  d3.transition.prototype = d3_transitionPrototype;
+  d3_transitionPrototype.select = function(selector) {
+    var subgroups = [], subgroup, subnode, node;
+    if (typeof selector !== "function") selector = d3_selection_selector(selector);
+    for (var j = -1, m = this.length; ++j < m; ) {
+      subgroups.push(subgroup = []);
+      for (var group = this[j], i = -1, n = group.length; ++i < n; ) {
+        if ((node = group[i]) && (subnode = selector.call(node.node, node.node.__data__, i))) {
+          if ("__data__" in node.node) subnode.__data__ = node.node.__data__;
+          subgroup.push({
+            node: subnode,
+            delay: node.delay,
+            duration: node.duration
+          });
+        } else {
+          subgroup.push(null);
+        }
+      }
+    }
+    return d3_transition(subgroups, this.id, this.time).ease(this.ease());
+  };
+  d3_transitionPrototype.selectAll = function(selector) {
+    var subgroups = [], subgroup, subnodes, node;
+    if (typeof selector !== "function") selector = d3_selection_selectorAll(selector);
+    for (var j = -1, m = this.length; ++j < m; ) {
+      for (var group = this[j], i = -1, n = group.length; ++i < n; ) {
+        if (node = group[i]) {
+          subnodes = selector.call(node.node, node.node.__data__, i);
+          subgroups.push(subgroup = []);
+          for (var k = -1, o = subnodes.length; ++k < o; ) {
+            subgroup.push({
+              node: subnodes[k],
+              delay: node.delay,
+              duration: node.duration
+            });
+          }
+        }
+      }
+    }
+    return d3_transition(subgroups, this.id, this.time).ease(this.ease());
+  };
+  d3_transitionPrototype.filter = function(filter) {
+    var subgroups = [], subgroup, group, node;
+    if (typeof filter !== "function") filter = d3_selection_filter(filter);
+    for (var j = 0, m = this.length; j < m; j++) {
+      subgroups.push(subgroup = []);
+      for (var group = this[j], i = 0, n = group.length; i < n; i++) {
+        if ((node = group[i]) && filter.call(node.node, node.node.__data__, i)) {
+          subgroup.push(node);
+        }
+      }
+    }
+    return d3_transition(subgroups, this.id, this.time).ease(this.ease());
+  };
+  d3_transitionPrototype.attr = function(name, value) {
+    if (arguments.length < 2) {
+      for (value in name) this.attrTween(value, d3_tweenByName(name[value], value));
+      return this;
+    }
+    return this.attrTween(name, d3_tweenByName(value, name));
+  };
+  d3_transitionPrototype.attrTween = function(nameNS, tween) {
+    function attrTween(d, i) {
+      var f = tween.call(this, d, i, this.getAttribute(name));
+      return f === d3_tweenRemove ? (this.removeAttribute(name), null) : f && function(t) {
+        this.setAttribute(name, f(t));
+      };
+    }
+    function attrTweenNS(d, i) {
+      var f = tween.call(this, d, i, this.getAttributeNS(name.space, name.local));
+      return f === d3_tweenRemove ? (this.removeAttributeNS(name.space, name.local), null) : f && function(t) {
+        this.setAttributeNS(name.space, name.local, f(t));
+      };
+    }
+    var name = d3.ns.qualify(nameNS);
+    return this.tween("attr." + nameNS, name.local ? attrTweenNS : attrTween);
+  };
+  d3_transitionPrototype.style = function(name, value, priority) {
+    var n = arguments.length;
+    if (n < 3) {
+      if (typeof name !== "string") {
+        if (n < 2) value = "";
+        for (priority in name) this.styleTween(priority, d3_tweenByName(name[priority], priority), value);
+        return this;
+      }
+      priority = "";
+    }
+    return this.styleTween(name, d3_tweenByName(value, name), priority);
+  };
+  d3_transitionPrototype.styleTween = function(name, tween, priority) {
+    if (arguments.length < 3) priority = "";
+    return this.tween("style." + name, function(d, i) {
+      var f = tween.call(this, d, i, window.getComputedStyle(this, null).getPropertyValue(name));
+      return f === d3_tweenRemove ? (this.style.removeProperty(name), null) : f && function(t) {
+        this.style.setProperty(name, f(t), priority);
+      };
+    });
+  };
+  d3_transitionPrototype.text = function(value) {
+    return this.tween("text", function(d, i) {
+      this.textContent = typeof value === "function" ? value.call(this, d, i) : value;
+    });
+  };
+  d3_transitionPrototype.remove = function() {
+    return this.each("end.transition", function() {
+      var p;
+      if (!this.__transition__ && (p = this.parentNode)) p.removeChild(this);
+    });
+  };
+  d3_transitionPrototype.delay = function(value) {
+    return d3_selection_each(this, typeof value === "function" ? function(node, i, j) {
+      node.delay = value.call(node = node.node, node.__data__, i, j) | 0;
+    } : (value = value | 0, function(node) {
+      node.delay = value;
+    }));
+  };
+  d3_transitionPrototype.duration = function(value) {
+    return d3_selection_each(this, typeof value === "function" ? function(node, i, j) {
+      node.duration = Math.max(1, value.call(node = node.node, node.__data__, i, j) | 0);
+    } : (value = Math.max(1, value | 0), function(node) {
+      node.duration = value;
+    }));
+  };
+  d3_transitionPrototype.transition = function() {
+    return this.select(d3_this);
+  };
+  d3.tween = function(b, interpolate) {
+    function tweenFunction(d, i, a) {
+      var v = b.call(this, d, i);
+      return v == null ? a != "" && d3_tweenRemove : a != v && interpolate(a, v);
+    }
+    function tweenString(d, i, a) {
+      return a != b && interpolate(a, b);
+    }
+    return typeof b === "function" ? tweenFunction : b == null ? d3_tweenNull : (b += "", tweenString);
+  };
+  var d3_tweenRemove = {};
+  var d3_timer_queue = null, d3_timer_interval, d3_timer_timeout;
+  d3.timer = function(callback, delay, then) {
+    var found = false, t0, t1 = d3_timer_queue;
+    if (arguments.length < 3) {
+      if (arguments.length < 2) delay = 0; else if (!isFinite(delay)) return;
+      then = Date.now();
+    }
+    while (t1) {
+      if (t1.callback === callback) {
+        t1.then = then;
+        t1.delay = delay;
+        found = true;
+        break;
+      }
+      t0 = t1;
+      t1 = t1.next;
+    }
+    if (!found) d3_timer_queue = {
+      callback: callback,
+      then: then,
+      delay: delay,
+      next: d3_timer_queue
+    };
+    if (!d3_timer_interval) {
+      d3_timer_timeout = clearTimeout(d3_timer_timeout);
+      d3_timer_interval = 1;
+      d3_timer_frame(d3_timer_step);
+    }
+  };
+  d3.timer.flush = function() {
+    var elapsed, now = Date.now(), t1 = d3_timer_queue;
+    while (t1) {
+      elapsed = now - t1.then;
+      if (!t1.delay) t1.flush = t1.callback(elapsed);
+      t1 = t1.next;
+    }
+    d3_timer_flush();
+  };
+  var d3_timer_frame = window.requestAnimationFrame || window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame || window.oRequestAnimationFrame || window.msRequestAnimationFrame || function(callback) {
+    setTimeout(callback, 17);
+  };
+  d3.mouse = function(container) {
+    return d3_mousePoint(container, d3_eventSource());
+  };
+  var d3_mouse_bug44083 = /WebKit/.test(navigator.userAgent) ? -1 : 0;
+  d3.touches = function(container, touches) {
+    if (arguments.length < 2) touches = d3_eventSource().touches;
+    return touches ? d3_array(touches).map(function(touch) {
+      var point = d3_mousePoint(container, touch);
+      point.identifier = touch.identifier;
+      return point;
+    }) : [];
+  };
+  d3.scale = {};
+  d3.scale.linear = function() {
+    return d3_scale_linear([ 0, 1 ], [ 0, 1 ], d3.interpolate, false);
+  };
+  d3.scale.log = function() {
+    return d3_scale_log(d3.scale.linear(), d3_scale_logp);
+  };
+  var d3_scale_logFormat = d3.format(".0e");
+  d3_scale_logp.pow = function(x) {
+    return Math.pow(10, x);
+  };
+  d3_scale_logn.pow = function(x) {
+    return -Math.pow(10, -x);
+  };
+  d3.scale.pow = function() {
+    return d3_scale_pow(d3.scale.linear(), 1);
+  };
+  d3.scale.sqrt = function() {
+    return d3.scale.pow().exponent(.5);
+  };
+  d3.scale.ordinal = function() {
+    return d3_scale_ordinal([], {
+      t: "range",
+      a: [ [] ]
+    });
+  };
+  d3.scale.category10 = function() {
+    return d3.scale.ordinal().range(d3_category10);
+  };
+  d3.scale.category20 = function() {
+    return d3.scale.ordinal().range(d3_category20);
+  };
+  d3.scale.category20b = function() {
+    return d3.scale.ordinal().range(d3_category20b);
+  };
+  d3.scale.category20c = function() {
+    return d3.scale.ordinal().range(d3_category20c);
+  };
+  var d3_category10 = [ "#1f77b4", "#ff7f0e", "#2ca02c", "#d62728", "#9467bd", "#8c564b", "#e377c2", "#7f7f7f", "#bcbd22", "#17becf" ];
+  var d3_category20 = [ "#1f77b4", "#aec7e8", "#ff7f0e", "#ffbb78", "#2ca02c", "#98df8a", "#d62728", "#ff9896", "#9467bd", "#c5b0d5", "#8c564b", "#c49c94", "#e377c2", "#f7b6d2", "#7f7f7f", "#c7c7c7", "#bcbd22", "#dbdb8d", "#17becf", "#9edae5" ];
+  var d3_category20b = [ "#393b79", "#5254a3", "#6b6ecf", "#9c9ede", "#637939", "#8ca252", "#b5cf6b", "#cedb9c", "#8c6d31", "#bd9e39", "#e7ba52", "#e7cb94", "#843c39", "#ad494a", "#d6616b", "#e7969c", "#7b4173", "#a55194", "#ce6dbd", "#de9ed6" ];
+  var d3_category20c = [ "#3182bd", "#6baed6", "#9ecae1", "#c6dbef", "#e6550d", "#fd8d3c", "#fdae6b", "#fdd0a2", "#31a354", "#74c476", "#a1d99b", "#c7e9c0", "#756bb1", "#9e9ac8", "#bcbddc", "#dadaeb", "#636363", "#969696", "#bdbdbd", "#d9d9d9" ];
+  d3.scale.quantile = function() {
+    return d3_scale_quantile([], []);
+  };
+  d3.scale.quantize = function() {
+    return d3_scale_quantize(0, 1, [ 0, 1 ]);
+  };
+  d3.scale.threshold = function() {
+    return d3_scale_threshold([ .5 ], [ 0, 1 ]);
+  };
+  d3.scale.identity = function() {
+    return d3_scale_identity([ 0, 1 ]);
+  };
+  d3.svg = {};
+  d3.svg.arc = function() {
+    function arc() {
+      var r0 = innerRadius.apply(this, arguments), r1 = outerRadius.apply(this, arguments), a0 = startAngle.apply(this, arguments) + d3_svg_arcOffset, a1 = endAngle.apply(this, arguments) + d3_svg_arcOffset, da = (a1 < a0 && (da = a0, a0 = a1, a1 = da), a1 - a0), df = da < Math.PI ? "0" : "1", c0 = Math.cos(a0), s0 = Math.sin(a0), c1 = Math.cos(a1), s1 = Math.sin(a1);
+      return da >= d3_svg_arcMax ? r0 ? "M0," + r1 + "A" + r1 + "," + r1 + " 0 1,1 0," + -r1 + "A" + r1 + "," + r1 + " 0 1,1 0," + r1 + "M0," + r0 + "A" + r0 + "," + r0 + " 0 1,0 0," + -r0 + "A" + r0 + "," + r0 + " 0 1,0 0," + r0 + "Z" : "M0," + r1 + "A" + r1 + "," + r1 + " 0 1,1 0," + -r1 + "A" + r1 + "," + r1 + " 0 1,1 0," + r1 + "Z" : r0 ? "M" + r1 * c0 + "," + r1 * s0 + "A" + r1 + "," + r1 + " 0 " + df + ",1 " + r1 * c1 + "," + r1 * s1 + "L" + r0 * c1 + "," + r0 * s1 + "A" + r0 + "," + r0 + " 0 " + df + ",0 " + r0 * c0 + "," + r0 * s0 + "Z" : "M" + r1 * c0 + "," + r1 * s0 + "A" + r1 + "," + r1 + " 0 " + df + ",1 " + r1 * c1 + "," + r1 * s1 + "L0,0" + "Z";
+    }
+    var innerRadius = d3_svg_arcInnerRadius, outerRadius = d3_svg_arcOuterRadius, startAngle = d3_svg_arcStartAngle, endAngle = d3_svg_arcEndAngle;
+    arc.innerRadius = function(v) {
+      if (!arguments.length) return innerRadius;
+      innerRadius = d3_functor(v);
+      return arc;
+    };
+    arc.outerRadius = function(v) {
+      if (!arguments.length) return outerRadius;
+      outerRadius = d3_functor(v);
+      return arc;
+    };
+    arc.startAngle = function(v) {
+      if (!arguments.length) return startAngle;
+      startAngle = d3_functor(v);
+      return arc;
+    };
+    arc.endAngle = function(v) {
+      if (!arguments.length) return endAngle;
+      endAngle = d3_functor(v);
+      return arc;
+    };
+    arc.centroid = function() {
+      var r = (innerRadius.apply(this, arguments) + outerRadius.apply(this, arguments)) / 2, a = (startAngle.apply(this, arguments) + endAngle.apply(this, arguments)) / 2 + d3_svg_arcOffset;
+      return [ Math.cos(a) * r, Math.sin(a) * r ];
+    };
+    return arc;
+  };
+  var d3_svg_arcOffset = -Math.PI / 2, d3_svg_arcMax = 2 * Math.PI - 1e-6;
+  d3.svg.line = function() {
+    return d3_svg_line(d3_identity);
+  };
+  var d3_svg_lineInterpolators = d3.map({
+    linear: d3_svg_lineLinear,
+    "linear-closed": d3_svg_lineLinearClosed,
+    "step-before": d3_svg_lineStepBefore,
+    "step-after": d3_svg_lineStepAfter,
+    basis: d3_svg_lineBasis,
+    "basis-open": d3_svg_lineBasisOpen,
+    "basis-closed": d3_svg_lineBasisClosed,
+    bundle: d3_svg_lineBundle,
+    cardinal: d3_svg_lineCardinal,
+    "cardinal-open": d3_svg_lineCardinalOpen,
+    "cardinal-closed": d3_svg_lineCardinalClosed,
+    monotone: d3_svg_lineMonotone
+  });
+  d3_svg_lineInterpolators.forEach(function(key, value) {
+    value.key = key;
+    value.closed = /-closed$/.test(key);
+  });
+  var d3_svg_lineBasisBezier1 = [ 0, 2 / 3, 1 / 3, 0 ], d3_svg_lineBasisBezier2 = [ 0, 1 / 3, 2 / 3, 0 ], d3_svg_lineBasisBezier3 = [ 0, 1 / 6, 2 / 3, 1 / 6 ];
+  d3.svg.line.radial = function() {
+    var line = d3_svg_line(d3_svg_lineRadial);
+    line.radius = line.x, delete line.x;
+    line.angle = line.y, delete line.y;
+    return line;
+  };
+  d3_svg_lineStepBefore.reverse = d3_svg_lineStepAfter;
+  d3_svg_lineStepAfter.reverse = d3_svg_lineStepBefore;
+  d3.svg.area = function() {
+    return d3_svg_area(d3_identity);
+  };
+  d3.svg.area.radial = function() {
+    var area = d3_svg_area(d3_svg_lineRadial);
+    area.radius = area.x, delete area.x;
+    area.innerRadius = area.x0, delete area.x0;
+    area.outerRadius = area.x1, delete area.x1;
+    area.angle = area.y, delete area.y;
+    area.startAngle = area.y0, delete area.y0;
+    area.endAngle = area.y1, delete area.y1;
+    return area;
+  };
+  d3.svg.chord = function() {
+    function chord(d, i) {
+      var s = subgroup(this, source, d, i), t = subgroup(this, target, d, i);
+      return "M" + s.p0 + arc(s.r, s.p1, s.a1 - s.a0) + (equals(s, t) ? curve(s.r, s.p1, s.r, s.p0) : curve(s.r, s.p1, t.r, t.p0) + arc(t.r, t.p1, t.a1 - t.a0) + curve(t.r, t.p1, s.r, s.p0)) + "Z";
+    }
+    function subgroup(self, f, d, i) {
+      var subgroup = f.call(self, d, i), r = radius.call(self, subgroup, i), a0 = startAngle.call(self, subgroup, i) + d3_svg_arcOffset, a1 = endAngle.call(self, subgroup, i) + d3_svg_arcOffset;
+      return {
+        r: r,
+        a0: a0,
+        a1: a1,
+        p0: [ r * Math.cos(a0), r * Math.sin(a0) ],
+        p1: [ r * Math.cos(a1), r * Math.sin(a1) ]
+      };
+    }
+    function equals(a, b) {
+      return a.a0 == b.a0 && a.a1 == b.a1;
+    }
+    function arc(r, p, a) {
+      return "A" + r + "," + r + " 0 " + +(a > Math.PI) + ",1 " + p;
+    }
+    function curve(r0, p0, r1, p1) {
+      return "Q 0,0 " + p1;
+    }
+    var source = d3_svg_chordSource, target = d3_svg_chordTarget, radius = d3_svg_chordRadius, startAngle = d3_svg_arcStartAngle, endAngle = d3_svg_arcEndAngle;
+    chord.radius = function(v) {
+      if (!arguments.length) return radius;
+      radius = d3_functor(v);
+      return chord;
+    };
+    chord.source = function(v) {
+      if (!arguments.length) return source;
+      source = d3_functor(v);
+      return chord;
+    };
+    chord.target = function(v) {
+      if (!arguments.length) return target;
+      target = d3_functor(v);
+      return chord;
+    };
+    chord.startAngle = function(v) {
+      if (!arguments.length) return startAngle;
+      startAngle = d3_functor(v);
+      return chord;
+    };
+    chord.endAngle = function(v) {
+      if (!arguments.length) return endAngle;
+      endAngle = d3_functor(v);
+      return chord;
+    };
+    return chord;
+  };
+  d3.svg.diagonal = function() {
+    function diagonal(d, i) {
+      var p0 = source.call(this, d, i), p3 = target.call(this, d, i), m = (p0.y + p3.y) / 2, p = [ p0, {
+        x: p0.x,
+        y: m
+      }, {
+        x: p3.x,
+        y: m
+      }, p3 ];
+      p = p.map(projection);
+      return "M" + p[0] + "C" + p[1] + " " + p[2] + " " + p[3];
+    }
+    var source = d3_svg_chordSource, target = d3_svg_chordTarget, projection = d3_svg_diagonalProjection;
+    diagonal.source = function(x) {
+      if (!arguments.length) return source;
+      source = d3_functor(x);
+      return diagonal;
+    };
+    diagonal.target = function(x) {
+      if (!arguments.length) return target;
+      target = d3_functor(x);
+      return diagonal;
+    };
+    diagonal.projection = function(x) {
+      if (!arguments.length) return projection;
+      projection = x;
+      return diagonal;
+    };
+    return diagonal;
+  };
+  d3.svg.diagonal.radial = function() {
+    var diagonal = d3.svg.diagonal(), projection = d3_svg_diagonalProjection, projection_ = diagonal.projection;
+    diagonal.projection = function(x) {
+      return arguments.length ? projection_(d3_svg_diagonalRadialProjection(projection = x)) : projection;
+    };
+    return diagonal;
+  };
+  d3.svg.mouse = d3.mouse;
+  d3.svg.touches = d3.touches;
+  d3.svg.symbol = function() {
+    function symbol(d, i) {
+      return (d3_svg_symbols.get(type.call(this, d, i)) || d3_svg_symbolCircle)(size.call(this, d, i));
+    }
+    var type = d3_svg_symbolType, size = d3_svg_symbolSize;
+    symbol.type = function(x) {
+      if (!arguments.length) return type;
+      type = d3_functor(x);
+      return symbol;
+    };
+    symbol.size = function(x) {
+      if (!arguments.length) return size;
+      size = d3_functor(x);
+      return symbol;
+    };
+    return symbol;
+  };
+  var d3_svg_symbols = d3.map({
+    circle: d3_svg_symbolCircle,
+    cross: function(size) {
+      var r = Math.sqrt(size / 5) / 2;
+      return "M" + -3 * r + "," + -r + "H" + -r + "V" + -3 * r + "H" + r + "V" + -r + "H" + 3 * r + "V" + r + "H" + r + "V" + 3 * r + "H" + -r + "V" + r + "H" + -3 * r + "Z";
+    },
+    diamond: function(size) {
+      var ry = Math.sqrt(size / (2 * d3_svg_symbolTan30)), rx = ry * d3_svg_symbolTan30;
+      return "M0," + -ry + "L" + rx + ",0" + " 0," + ry + " " + -rx + ",0" + "Z";
+    },
+    square: function(size) {
+      var r = Math.sqrt(size) / 2;
+      return "M" + -r + "," + -r + "L" + r + "," + -r + " " + r + "," + r + " " + -r + "," + r + "Z";
+    },
+    "triangle-down": function(size) {
+      var rx = Math.sqrt(size / d3_svg_symbolSqrt3), ry = rx * d3_svg_symbolSqrt3 / 2;
+      return "M0," + ry + "L" + rx + "," + -ry + " " + -rx + "," + -ry + "Z";
+    },
+    "triangle-up": function(size) {
+      var rx = Math.sqrt(size / d3_svg_symbolSqrt3), ry = rx * d3_svg_symbolSqrt3 / 2;
+      return "M0," + -ry + "L" + rx + "," + ry + " " + -rx + "," + ry + "Z";
+    }
+  });
+  d3.svg.symbolTypes = d3_svg_symbols.keys();
+  var d3_svg_symbolSqrt3 = Math.sqrt(3), d3_svg_symbolTan30 = Math.tan(30 * Math.PI / 180);
+  d3.svg.axis = function() {
+    function axis(g) {
+      g.each(function() {
+        var g = d3.select(this);
+        var ticks = tickValues == null ? scale.ticks ? scale.ticks.apply(scale, tickArguments_) : scale.domain() : tickValues, tickFormat = tickFormat_ == null ? scale.tickFormat ? scale.tickFormat.apply(scale, tickArguments_) : String : tickFormat_;
+        var subticks = d3_svg_axisSubdivide(scale, ticks, tickSubdivide), subtick = g.selectAll(".minor").data(subticks, String), subtickEnter = subtick.enter().insert("line", "g").attr("class", "tick minor").style("opacity", 1e-6), subtickExit = d3.transition(subtick.exit()).style("opacity", 1e-6).remove(), subtickUpdate = d3.transition(subtick).style("opacity", 1);
+        var tick = g.selectAll("g").data(ticks, String), tickEnter = tick.enter().insert("g", "path").style("opacity", 1e-6), tickExit = d3.transition(tick.exit()).style("opacity", 1e-6).remove(), tickUpdate = d3.transition(tick).style("opacity", 1), tickTransform;
+        var range = d3_scaleRange(scale), path = g.selectAll(".domain").data([ 0 ]), pathEnter = path.enter().append("path").attr("class", "domain"), pathUpdate = d3.transition(path);
+        var scale1 = scale.copy(), scale0 = this.__chart__ || scale1;
+        this.__chart__ = scale1;
+        tickEnter.append("line").attr("class", "tick");
+        tickEnter.append("text");
+        var lineEnter = tickEnter.select("line"), lineUpdate = tickUpdate.select("line"), text = tick.select("text").text(tickFormat), textEnter = tickEnter.select("text"), textUpdate = tickUpdate.select("text");
+        switch (orient) {
+         case "bottom":
+          {
+            tickTransform = d3_svg_axisX;
+            subtickEnter.attr("y2", tickMinorSize);
+            subtickUpdate.attr("x2", 0).attr("y2", tickMinorSize);
+            lineEnter.attr("y2", tickMajorSize);
+            textEnter.attr("y", Math.max(tickMajorSize, 0) + tickPadding);
+            lineUpdate.attr("x2", 0).attr("y2", tickMajorSize);
+            textUpdate.attr("x", 0).attr("y", Math.max(tickMajorSize, 0) + tickPadding);
+            text.attr("dy", ".71em").attr("text-anchor", "middle");
+            pathUpdate.attr("d", "M" + range[0] + "," + tickEndSize + "V0H" + range[1] + "V" + tickEndSize);
+            break;
+          }
+         case "top":
+          {
+            tickTransform = d3_svg_axisX;
+            subtickEnter.attr("y2", -tickMinorSize);
+            subtickUpdate.attr("x2", 0).attr("y2", -tickMinorSize);
+            lineEnter.attr("y2", -tickMajorSize);
+            textEnter.attr("y", -(Math.max(tickMajorSize, 0) + tickPadding));
+            lineUpdate.attr("x2", 0).attr("y2", -tickMajorSize);
+            textUpdate.attr("x", 0).attr("y", -(Math.max(tickMajorSize, 0) + tickPadding));
+            text.attr("dy", "0em").attr("text-anchor", "middle");
+            pathUpdate.attr("d", "M" + range[0] + "," + -tickEndSize + "V0H" + range[1] + "V" + -tickEndSize);
+            break;
+          }
+         case "left":
+          {
+            tickTransform = d3_svg_axisY;
+            subtickEnter.attr("x2", -tickMinorSize);
+            subtickUpdate.attr("x2", -tickMinorSize).attr("y2", 0);
+            lineEnter.attr("x2", -tickMajorSize);
+            textEnter.attr("x", -(Math.max(tickMajorSize, 0) + tickPadding));
+            lineUpdate.attr("x2", -tickMajorSize).attr("y2", 0);
+            textUpdate.attr("x", -(Math.max(tickMajorSize, 0) + tickPadding)).attr("y", 0);
+            text.attr("dy", ".32em").attr("text-anchor", "end");
+            pathUpdate.attr("d", "M" + -tickEndSize + "," + range[0] + "H0V" + range[1] + "H" + -tickEndSize);
+            break;
+          }
+         case "right":
+          {
+            tickTransform = d3_svg_axisY;
+            subtickEnter.attr("x2", tickMinorSize);
+            subtickUpdate.attr("x2", tickMinorSize).attr("y2", 0);
+            lineEnter.attr("x2", tickMajorSize);
+            textEnter.attr("x", Math.max(tickMajorSize, 0) + tickPadding);
+            lineUpdate.attr("x2", tickMajorSize).attr("y2", 0);
+            textUpdate.attr("x", Math.max(tickMajorSize, 0) + tickPadding).attr("y", 0);
+            text.attr("dy", ".32em").attr("text-anchor", "start");
+            pathUpdate.attr("d", "M" + tickEndSize + "," + range[0] + "H0V" + range[1] + "H" + tickEndSize);
+            break;
+          }
+        }
+        if (scale.ticks) {
+          tickEnter.call(tickTransform, scale0);
+          tickUpdate.call(tickTransform, scale1);
+          tickExit.call(tickTransform, scale1);
+          subtickEnter.call(tickTransform, scale0);
+          subtickUpdate.call(tickTransform, scale1);
+          subtickExit.call(tickTransform, scale1);
+        } else {
+          var dx = scale1.rangeBand() / 2, x = function(d) {
+            return scale1(d) + dx;
+          };
+          tickEnter.call(tickTransform, x);
+          tickUpdate.call(tickTransform, x);
+        }
+      });
+    }
+    var scale = d3.scale.linear(), orient = "bottom", tickMajorSize = 6, tickMinorSize = 6, tickEndSize = 6, tickPadding = 3, tickArguments_ = [ 10 ], tickValues = null, tickFormat_, tickSubdivide = 0;
+    axis.scale = function(x) {
+      if (!arguments.length) return scale;
+      scale = x;
+      return axis;
+    };
+    axis.orient = function(x) {
+      if (!arguments.length) return orient;
+      orient = x;
+      return axis;
+    };
+    axis.ticks = function() {
+      if (!arguments.length) return tickArguments_;
+      tickArguments_ = arguments;
+      return axis;
+    };
+    axis.tickValues = function(x) {
+      if (!arguments.length) return tickValues;
+      tickValues = x;
+      return axis;
+    };
+    axis.tickFormat = function(x) {
+      if (!arguments.length) return tickFormat_;
+      tickFormat_ = x;
+      return axis;
+    };
+    axis.tickSize = function(x, y, z) {
+      if (!arguments.length) return tickMajorSize;
+      var n = arguments.length - 1;
+      tickMajorSize = +x;
+      tickMinorSize = n > 1 ? +y : tickMajorSize;
+      tickEndSize = n > 0 ? +arguments[n] : tickMajorSize;
+      return axis;
+    };
+    axis.tickPadding = function(x) {
+      if (!arguments.length) return tickPadding;
+      tickPadding = +x;
+      return axis;
+    };
+    axis.tickSubdivide = function(x) {
+      if (!arguments.length) return tickSubdivide;
+      tickSubdivide = +x;
+      return axis;
+    };
+    return axis;
+  };
+  d3.svg.brush = function() {
+    function brush(g) {
+      g.each(function() {
+        var g = d3.select(this), bg = g.selectAll(".background").data([ 0 ]), fg = g.selectAll(".extent").data([ 0 ]), tz = g.selectAll(".resize").data(resizes, String), e;
+        g.style("pointer-events", "all").on("mousedown.brush", brushstart).on("touchstart.brush", brushstart);
+        bg.enter().append("rect").attr("class", "background").style("visibility", "hidden").style("cursor", "crosshair");
+        fg.enter().append("rect").attr("class", "extent").style("cursor", "move");
+        tz.enter().append("g").attr("class", function(d) {
+          return "resize " + d;
+        }).style("cursor", function(d) {
+          return d3_svg_brushCursor[d];
+        }).append("rect").attr("x", function(d) {
+          return /[ew]$/.test(d) ? -3 : null;
+        }).attr("y", function(d) {
+          return /^[ns]/.test(d) ? -3 : null;
+        }).attr("width", 6).attr("height", 6).style("visibility", "hidden");
+        tz.style("display", brush.empty() ? "none" : null);
+        tz.exit().remove();
+        if (x) {
+          e = d3_scaleRange(x);
+          bg.attr("x", e[0]).attr("width", e[1] - e[0]);
+          redrawX(g);
+        }
+        if (y) {
+          e = d3_scaleRange(y);
+          bg.attr("y", e[0]).attr("height", e[1] - e[0]);
+          redrawY(g);
+        }
+        redraw(g);
+      });
+    }
+    function redraw(g) {
+      g.selectAll(".resize").attr("transform", function(d) {
+        return "translate(" + extent[+/e$/.test(d)][0] + "," + extent[+/^s/.test(d)][1] + ")";
+      });
+    }
+    function redrawX(g) {
+      g.select(".extent").attr("x", extent[0][0]);
+      g.selectAll(".extent,.n>rect,.s>rect").attr("width", extent[1][0] - extent[0][0]);
+    }
+    function redrawY(g) {
+      g.select(".extent").attr("y", extent[0][1]);
+      g.selectAll(".extent,.e>rect,.w>rect").attr("height", extent[1][1] - extent[0][1]);
+    }
+    function brushstart() {
+      function mouse() {
+        var touches = d3.event.changedTouches;
+        return touches ? d3.touches(target, touches)[0] : d3.mouse(target);
+      }
+      function keydown() {
+        if (d3.event.keyCode == 32) {
+          if (!dragging) {
+            center = null;
+            origin[0] -= extent[1][0];
+            origin[1] -= extent[1][1];
+            dragging = 2;
+          }
+          d3_eventCancel();
+        }
+      }
+      function keyup() {
+        if (d3.event.keyCode == 32 && dragging == 2) {
+          origin[0] += extent[1][0];
+          origin[1] += extent[1][1];
+          dragging = 0;
+          d3_eventCancel();
+        }
+      }
+      function brushmove() {
+        var point = mouse(), moved = false;
+        if (offset) {
+          point[0] += offset[0];
+          point[1] += offset[1];
+        }
+        if (!dragging) {
+          if (d3.event.altKey) {
+            if (!center) center = [ (extent[0][0] + extent[1][0]) / 2, (extent[0][1] + extent[1][1]) / 2 ];
+            origin[0] = extent[+(point[0] < center[0])][0];
+            origin[1] = extent[+(point[1] < center[1])][1];
+          } else center = null;
+        }
+        if (resizingX && move1(point, x, 0)) {
+          redrawX(g);
+          moved = true;
+        }
+        if (resizingY && move1(point, y, 1)) {
+          redrawY(g);
+          moved = true;
+        }
+        if (moved) {
+          redraw(g);
+          event_({
+            type: "brush",
+            mode: dragging ? "move" : "resize"
+          });
+        }
+      }
+      function move1(point, scale, i) {
+        var range = d3_scaleRange(scale), r0 = range[0], r1 = range[1], position = origin[i], size = extent[1][i] - extent[0][i], min, max;
+        if (dragging) {
+          r0 -= position;
+          r1 -= size + position;
+        }
+        min = Math.max(r0, Math.min(r1, point[i]));
+        if (dragging) {
+          max = (min += position) + size;
+        } else {
+          if (center) position = Math.max(r0, Math.min(r1, 2 * center[i] - min));
+          if (position < min) {
+            max = min;
+            min = position;
+          } else {
+            max = position;
+          }
+        }
+        if (extent[0][i] !== min || extent[1][i] !== max) {
+          extentDomain = null;
+          extent[0][i] = min;
+          extent[1][i] = max;
+          return true;
+        }
+      }
+      function brushend() {
+        brushmove();
+        g.style("pointer-events", "all").selectAll(".resize").style("display", brush.empty() ? "none" : null);
+        d3.select("body").style("cursor", null);
+        w.on("mousemove.brush", null).on("mouseup.brush", null).on("touchmove.brush", null).on("touchend.brush", null).on("keydown.brush", null).on("keyup.brush", null);
+        event_({
+          type: "brushend"
+        });
+        d3_eventCancel();
+      }
+      var target = this, eventTarget = d3.select(d3.event.target), event_ = event.of(target, arguments), g = d3.select(target), resizing = eventTarget.datum(), resizingX = !/^(n|s)$/.test(resizing) && x, resizingY = !/^(e|w)$/.test(resizing) && y, dragging = eventTarget.classed("extent"), center, origin = mouse(), offset;
+      var w = d3.select(window).on("mousemove.brush", brushmove).on("mouseup.brush", brushend).on("touchmove.brush", brushmove).on("touchend.brush", brushend).on("keydown.brush", keydown).on("keyup.brush", keyup);
+      if (dragging) {
+        origin[0] = extent[0][0] - origin[0];
+        origin[1] = extent[0][1] - origin[1];
+      } else if (resizing) {
+        var ex = +/w$/.test(resizing), ey = +/^n/.test(resizing);
+        offset = [ extent[1 - ex][0] - origin[0], extent[1 - ey][1] - origin[1] ];
+        origin[0] = extent[ex][0];
+        origin[1] = extent[ey][1];
+      } else if (d3.event.altKey) center = origin.slice();
+      g.style("pointer-events", "none").selectAll(".resize").style("display", null);
+      d3.select("body").style("cursor", eventTarget.style("cursor"));
+      event_({
+        type: "brushstart"
+      });
+      brushmove();
+      d3_eventCancel();
+    }
+    var event = d3_eventDispatch(brush, "brushstart", "brush", "brushend"), x = null, y = null, resizes = d3_svg_brushResizes[0], extent = [ [ 0, 0 ], [ 0, 0 ] ], extentDomain;
+    brush.x = function(z) {
+      if (!arguments.length) return x;
+      x = z;
+      resizes = d3_svg_brushResizes[!x << 1 | !y];
+      return brush;
+    };
+    brush.y = function(z) {
+      if (!arguments.length) return y;
+      y = z;
+      resizes = d3_svg_brushResizes[!x << 1 | !y];
+      return brush;
+    };
+    brush.extent = function(z) {
+      var x0, x1, y0, y1, t;
+      if (!arguments.length) {
+        z = extentDomain || extent;
+        if (x) {
+          x0 = z[0][0], x1 = z[1][0];
+          if (!extentDomain) {
+            x0 = extent[0][0], x1 = extent[1][0];
+            if (x.invert) x0 = x.invert(x0), x1 = x.invert(x1);
+            if (x1 < x0) t = x0, x0 = x1, x1 = t;
+          }
+        }
+        if (y) {
+          y0 = z[0][1], y1 = z[1][1];
+          if (!extentDomain) {
+            y0 = extent[0][1], y1 = extent[1][1];
+            if (y.invert) y0 = y.invert(y0), y1 = y.invert(y1);
+            if (y1 < y0) t = y0, y0 = y1, y1 = t;
+          }
+        }
+        return x && y ? [ [ x0, y0 ], [ x1, y1 ] ] : x ? [ x0, x1 ] : y && [ y0, y1 ];
+      }
+      extentDomain = [ [ 0, 0 ], [ 0, 0 ] ];
+      if (x) {
+        x0 = z[0], x1 = z[1];
+        if (y) x0 = x0[0], x1 = x1[0];
+        extentDomain[0][0] = x0, extentDomain[1][0] = x1;
+        if (x.invert) x0 = x(x0), x1 = x(x1);
+        if (x1 < x0) t = x0, x0 = x1, x1 = t;
+        extent[0][0] = x0 | 0, extent[1][0] = x1 | 0;
+      }
+      if (y) {
+        y0 = z[0], y1 = z[1];
+        if (x) y0 = y0[1], y1 = y1[1];
+        extentDomain[0][1] = y0, extentDomain[1][1] = y1;
+        if (y.invert) y0 = y(y0), y1 = y(y1);
+        if (y1 < y0) t = y0, y0 = y1, y1 = t;
+        extent[0][1] = y0 | 0, extent[1][1] = y1 | 0;
+      }
+      return brush;
+    };
+    brush.clear = function() {
+      extentDomain = null;
+      extent[0][0] = extent[0][1] = extent[1][0] = extent[1][1] = 0;
+      return brush;
+    };
+    brush.empty = function() {
+      return x && extent[0][0] === extent[1][0] || y && extent[0][1] === extent[1][1];
+    };
+    return d3.rebind(brush, event, "on");
+  };
+  var d3_svg_brushCursor = {
+    n: "ns-resize",
+    e: "ew-resize",
+    s: "ns-resize",
+    w: "ew-resize",
+    nw: "nwse-resize",
+    ne: "nesw-resize",
+    se: "nwse-resize",
+    sw: "nesw-resize"
+  };
+  var d3_svg_brushResizes = [ [ "n", "e", "s", "w", "nw", "ne", "se", "sw" ], [ "e", "w" ], [ "n", "s" ], [] ];
+  d3.behavior = {};
+  d3.behavior.drag = function() {
+    function drag() {
+      this.on("mousedown.drag", mousedown).on("touchstart.drag", mousedown);
+    }
+    function mousedown() {
+      function point() {
+        var p = target.parentNode;
+        return touchId ? d3.touches(p).filter(function(p) {
+          return p.identifier === touchId;
+        })[0] : d3.mouse(p);
+      }
+      function dragmove() {
+        if (!target.parentNode) return dragend();
+        var p = point(), dx = p[0] - origin_[0], dy = p[1] - origin_[1];
+        moved |= dx | dy;
+        origin_ = p;
+        d3_eventCancel();
+        event_({
+          type: "drag",
+          x: p[0] + offset[0],
+          y: p[1] + offset[1],
+          dx: dx,
+          dy: dy
+        });
+      }
+      function dragend() {
+        event_({
+          type: "dragend"
+        });
+        if (moved) {
+          d3_eventCancel();
+          if (d3.event.target === eventTarget) w.on("click.drag", click, true);
+        }
+        w.on(touchId ? "touchmove.drag-" + touchId : "mousemove.drag", null).on(touchId ? "touchend.drag-" + touchId : "mouseup.drag", null);
+      }
+      function click() {
+        d3_eventCancel();
+        w.on("click.drag", null);
+      }
+      var target = this, event_ = event.of(target, arguments), eventTarget = d3.event.target, touchId = d3.event.touches && d3.event.changedTouches[0].identifier, offset, origin_ = point(), moved = 0;
+      var w = d3.select(window).on(touchId ? "touchmove.drag-" + touchId : "mousemove.drag", dragmove).on(touchId ? "touchend.drag-" + touchId : "mouseup.drag", dragend, true);
+      if (origin) {
+        offset = origin.apply(target, arguments);
+        offset = [ offset.x - origin_[0], offset.y - origin_[1] ];
+      } else {
+        offset = [ 0, 0 ];
+      }
+      if (!touchId) d3_eventCancel();
+      event_({
+        type: "dragstart"
+      });
+    }
+    var event = d3_eventDispatch(drag, "drag", "dragstart", "dragend"), origin = null;
+    drag.origin = function(x) {
+      if (!arguments.length) return origin;
+      origin = x;
+      return drag;
+    };
+    return d3.rebind(drag, event, "on");
+  };
+  d3.behavior.zoom = function() {
+    function zoom() {
+      this.on("mousedown.zoom", mousedown).on("mousewheel.zoom", mousewheel).on("mousemove.zoom", mousemove).on("DOMMouseScroll.zoom", mousewheel).on("dblclick.zoom", dblclick).on("touchstart.zoom", touchstart).on("touchmove.zoom", touchmove).on("touchend.zoom", touchstart);
+    }
+    function location(p) {
+      return [ (p[0] - translate[0]) / scale, (p[1] - translate[1]) / scale ];
+    }
+    function point(l) {
+      return [ l[0] * scale + translate[0], l[1] * scale + translate[1] ];
+    }
+    function scaleTo(s) {
+      scale = Math.max(scaleExtent[0], Math.min(scaleExtent[1], s));
+    }
+    function translateTo(p, l) {
+      l = point(l);
+      translate[0] += p[0] - l[0];
+      translate[1] += p[1] - l[1];
+    }
+    function dispatch(event) {
+      if (x1) x1.domain(x0.range().map(function(x) {
+        return (x - translate[0]) / scale;
+      }).map(x0.invert));
+      if (y1) y1.domain(y0.range().map(function(y) {
+        return (y - translate[1]) / scale;
+      }).map(y0.invert));
+      d3.event.preventDefault();
+      event({
+        type: "zoom",
+        scale: scale,
+        translate: translate
+      });
+    }
+    function mousedown() {
+      function mousemove() {
+        moved = 1;
+        translateTo(d3.mouse(target), l);
+        dispatch(event_);
+      }
+      function mouseup() {
+        if (moved) d3_eventCancel();
+        w.on("mousemove.zoom", null).on("mouseup.zoom", null);
+        if (moved && d3.event.target === eventTarget) w.on("click.zoom", click, true);
+      }
+      function click() {
+        d3_eventCancel();
+        w.on("click.zoom", null);
+      }
+      var target = this, event_ = event.of(target, arguments), eventTarget = d3.event.target, moved = 0, w = d3.select(window).on("mousemove.zoom", mousemove).on("mouseup.zoom", mouseup), l = location(d3.mouse(target));
+      window.focus();
+      d3_eventCancel();
+    }
+    function mousewheel() {
+      if (!translate0) translate0 = location(d3.mouse(this));
+      scaleTo(Math.pow(2, d3_behavior_zoomDelta() * .002) * scale);
+      translateTo(d3.mouse(this), translate0);
+      dispatch(event.of(this, arguments));
+    }
+    function mousemove() {
+      translate0 = null;
+    }
+    function dblclick() {
+      var p = d3.mouse(this), l = location(p);
+      scaleTo(d3.event.shiftKey ? scale / 2 : scale * 2);
+      translateTo(p, l);
+      dispatch(event.of(this, arguments));
+    }
+    function touchstart() {
+      var touches = d3.touches(this), now = Date.now();
+      scale0 = scale;
+      translate0 = {};
+      touches.forEach(function(t) {
+        translate0[t.identifier] = location(t);
+      });
+      d3_eventCancel();
+      if (touches.length === 1) {
+        if (now - touchtime < 500) {
+          var p = touches[0], l = location(touches[0]);
+          scaleTo(scale * 2);
+          translateTo(p, l);
+          dispatch(event.of(this, arguments));
+        }
+        touchtime = now;
+      }
+    }
+    function touchmove() {
+      var touches = d3.touches(this), p0 = touches[0], l0 = translate0[p0.identifier];
+      if (p1 = touches[1]) {
+        var p1, l1 = translate0[p1.identifier];
+        p0 = [ (p0[0] + p1[0]) / 2, (p0[1] + p1[1]) / 2 ];
+        l0 = [ (l0[0] + l1[0]) / 2, (l0[1] + l1[1]) / 2 ];
+        scaleTo(d3.event.scale * scale0);
+      }
+      translateTo(p0, l0);
+      touchtime = null;
+      dispatch(event.of(this, arguments));
+    }
+    var translate = [ 0, 0 ], translate0, scale = 1, scale0, scaleExtent = d3_behavior_zoomInfinity, event = d3_eventDispatch(zoom, "zoom"), x0, x1, y0, y1, touchtime;
+    zoom.translate = function(x) {
+      if (!arguments.length) return translate;
+      translate = x.map(Number);
+      return zoom;
+    };
+    zoom.scale = function(x) {
+      if (!arguments.length) return scale;
+      scale = +x;
+      return zoom;
+    };
+    zoom.scaleExtent = function(x) {
+      if (!arguments.length) return scaleExtent;
+      scaleExtent = x == null ? d3_behavior_zoomInfinity : x.map(Number);
+      return zoom;
+    };
+    zoom.x = function(z) {
+      if (!arguments.length) return x1;
+      x1 = z;
+      x0 = z.copy();
+      return zoom;
+    };
+    zoom.y = function(z) {
+      if (!arguments.length) return y1;
+      y1 = z;
+      y0 = z.copy();
+      return zoom;
+    };
+    return d3.rebind(zoom, event, "on");
+  };
+  var d3_behavior_zoomDiv, d3_behavior_zoomInfinity = [ 0, Infinity ];
+  d3.layout = {};
+  d3.layout.bundle = function() {
+    return function(links) {
+      var paths = [], i = -1, n = links.length;
+      while (++i < n) paths.push(d3_layout_bundlePath(links[i]));
+      return paths;
+    };
+  };
+  d3.layout.chord = function() {
+    function relayout() {
+      var subgroups = {}, groupSums = [], groupIndex = d3.range(n), subgroupIndex = [], k, x, x0, i, j;
+      chords = [];
+      groups = [];
+      k = 0, i = -1;
+      while (++i < n) {
+        x = 0, j = -1;
+        while (++j < n) {
+          x += matrix[i][j];
+        }
+        groupSums.push(x);
+        subgroupIndex.push(d3.range(n));
+        k += x;
+      }
+      if (sortGroups) {
+        groupIndex.sort(function(a, b) {
+          return sortGroups(groupSums[a], groupSums[b]);
+        });
+      }
+      if (sortSubgroups) {
+        subgroupIndex.forEach(function(d, i) {
+          d.sort(function(a, b) {
+            return sortSubgroups(matrix[i][a], matrix[i][b]);
+          });
+        });
+      }
+      k = (2 * Math.PI - padding * n) / k;
+      x = 0, i = -1;
+      while (++i < n) {
+        x0 = x, j = -1;
+        while (++j < n) {
+          var di = groupIndex[i], dj = subgroupIndex[di][j], v = matrix[di][dj], a0 = x, a1 = x += v * k;
+          subgroups[di + "-" + dj] = {
+            index: di,
+            subindex: dj,
+            startAngle: a0,
+            endAngle: a1,
+            value: v
+          };
+        }
+        groups[di] = {
+          index: di,
+          startAngle: x0,
+          endAngle: x,
+          value: (x - x0) / k
+        };
+        x += padding;
+      }
+      i = -1;
+      while (++i < n) {
+        j = i - 1;
+        while (++j < n) {
+          var source = subgroups[i + "-" + j], target = subgroups[j + "-" + i];
+          if (source.value || target.value) {
+            chords.push(source.value < target.value ? {
+              source: target,
+              target: source
+            } : {
+              source: source,
+              target: target
+            });
+          }
+        }
+      }
+      if (sortChords) resort();
+    }
+    function resort() {
+      chords.sort(function(a, b) {
+        return sortChords((a.source.value + a.target.value) / 2, (b.source.value + b.target.value) / 2);
+      });
+    }
+    var chord = {}, chords, groups, matrix, n, padding = 0, sortGroups, sortSubgroups, sortChords;
+    chord.matrix = function(x) {
+      if (!arguments.length) return matrix;
+      n = (matrix = x) && matrix.length;
+      chords = groups = null;
+      return chord;
+    };
+    chord.padding = function(x) {
+      if (!arguments.length) return padding;
+      padding = x;
+      chords = groups = null;
+      return chord;
+    };
+    chord.sortGroups = function(x) {
+      if (!arguments.length) return sortGroups;
+      sortGroups = x;
+      chords = groups = null;
+      return chord;
+    };
+    chord.sortSubgroups = function(x) {
+      if (!arguments.length) return sortSubgroups;
+      sortSubgroups = x;
+      chords = null;
+      return chord;
+    };
+    chord.sortChords = function(x) {
+      if (!arguments.length) return sortChords;
+      sortChords = x;
+      if (chords) resort();
+      return chord;
+    };
+    chord.chords = function() {
+      if (!chords) relayout();
+      return chords;
+    };
+    chord.groups = function() {
+      if (!groups) relayout();
+      return groups;
+    };
+    return chord;
+  };
+  d3.layout.force = function() {
+    function repulse(node) {
+      return function(quad, x1, y1, x2, y2) {
+        if (quad.point !== node) {
+          var dx = quad.cx - node.x, dy = quad.cy - node.y, dn = 1 / Math.sqrt(dx * dx + dy * dy);
+          if ((x2 - x1) * dn < theta) {
+            var k = quad.charge * dn * dn;
+            node.px -= dx * k;
+            node.py -= dy * k;
+            return true;
+          }
+          if (quad.point && isFinite(dn)) {
+            var k = quad.pointCharge * dn * dn;
+            node.px -= dx * k;
+            node.py -= dy * k;
+          }
+        }
+        return !quad.charge;
+      };
+    }
+    function dragmove(d) {
+      d.px = d3.event.x;
+      d.py = d3.event.y;
+      force.resume();
+    }
+    var force = {}, event = d3.dispatch("start", "tick", "end"), size = [ 1, 1 ], drag, alpha, friction = .9, linkDistance = d3_layout_forceLinkDistance, linkStrength = d3_layout_forceLinkStrength, charge = -30, gravity = .1, theta = .8, interval, nodes = [], links = [], distances, strengths, charges;
+    force.tick = function() {
+      if ((alpha *= .99) < .005) {
+        event.end({
+          type: "end",
+          alpha: alpha = 0
+        });
+        return true;
+      }
+      var n = nodes.length, m = links.length, q, i, o, s, t, l, k, x, y;
+      for (i = 0; i < m; ++i) {
+        o = links[i];
+        s = o.source;
+        t = o.target;
+        x = t.x - s.x;
+        y = t.y - s.y;
+        if (l = x * x + y * y) {
+          l = alpha * strengths[i] * ((l = Math.sqrt(l)) - distances[i]) / l;
+          x *= l;
+          y *= l;
+          t.x -= x * (k = s.weight / (t.weight + s.weight));
+          t.y -= y * k;
+          s.x += x * (k = 1 - k);
+          s.y += y * k;
+        }
+      }
+      if (k = alpha * gravity) {
+        x = size[0] / 2;
+        y = size[1] / 2;
+        i = -1;
+        if (k) while (++i < n) {
+          o = nodes[i];
+          o.x += (x - o.x) * k;
+          o.y += (y - o.y) * k;
+        }
+      }
+      if (charge) {
+        d3_layout_forceAccumulate(q = d3.geom.quadtree(nodes), alpha, charges);
+        i = -1;
+        while (++i < n) {
+          if (!(o = nodes[i]).fixed) {
+            q.visit(repulse(o));
+          }
+        }
+      }
+      i = -1;
+      while (++i < n) {
+        o = nodes[i];
+        if (o.fixed) {
+          o.x = o.px;
+          o.y = o.py;
+        } else {
+          o.x -= (o.px - (o.px = o.x)) * friction;
+          o.y -= (o.py - (o.py = o.y)) * friction;
+        }
+      }
+      event.tick({
+        type: "tick",
+        alpha: alpha
+      });
+    };
+    force.nodes = function(x) {
+      if (!arguments.length) return nodes;
+      nodes = x;
+      return force;
+    };
+    force.links = function(x) {
+      if (!arguments.length) return links;
+      links = x;
+      return force;
+    };
+    force.size = function(x) {
+      if (!arguments.length) return size;
+      size = x;
+      return force;
+    };
+    force.linkDistance = function(x) {
+      if (!arguments.length) return linkDistance;
+      linkDistance = d3_functor(x);
+      return force;
+    };
+    force.distance = force.linkDistance;
+    force.linkStrength = function(x) {
+      if (!arguments.length) return linkStrength;
+      linkStrength = d3_functor(x);
+      return force;
+    };
+    force.friction = function(x) {
+      if (!arguments.length) return friction;
+      friction = x;
+      return force;
+    };
+    force.charge = function(x) {
+      if (!arguments.length) return charge;
+      charge = typeof x === "function" ? x : +x;
+      return force;
+    };
+    force.gravity = function(x) {
+      if (!arguments.length) return gravity;
+      gravity = x;
+      return force;
+    };
+    force.theta = function(x) {
+      if (!arguments.length) return theta;
+      theta = x;
+      return force;
+    };
+    force.alpha = function(x) {
+      if (!arguments.length) return alpha;
+      if (alpha) {
+        if (x > 0) alpha = x; else alpha = 0;
+      } else if (x > 0) {
+        event.start({
+          type: "start",
+          alpha: alpha = x
+        });
+        d3.timer(force.tick);
+      }
+      return force;
+    };
+    force.start = function() {
+      function position(dimension, size) {
+        var neighbors = neighbor(i), j = -1, m = neighbors.length, x;
+        while (++j < m) if (!isNaN(x = neighbors[j][dimension])) return x;
+        return Math.random() * size;
+      }
+      function neighbor() {
+        if (!neighbors) {
+          neighbors = [];
+          for (j = 0; j < n; ++j) {
+            neighbors[j] = [];
+          }
+          for (j = 0; j < m; ++j) {
+            var o = links[j];
+            neighbors[o.source.index].push(o.target);
+            neighbors[o.target.index].push(o.source);
+          }
+        }
+        return neighbors[i];
+      }
+      var i, j, n = nodes.length, m = links.length, w = size[0], h = size[1], neighbors, o;
+      for (i = 0; i < n; ++i) {
+        (o = nodes[i]).index = i;
+        o.weight = 0;
+      }
+      distances = [];
+      strengths = [];
+      for (i = 0; i < m; ++i) {
+        o = links[i];
+        if (typeof o.source == "number") o.source = nodes[o.source];
+        if (typeof o.target == "number") o.target = nodes[o.target];
+        distances[i] = linkDistance.call(this, o, i);
+        strengths[i] = linkStrength.call(this, o, i);
+        ++o.source.weight;
+        ++o.target.weight;
+      }
+      for (i = 0; i < n; ++i) {
+        o = nodes[i];
+        if (isNaN(o.x)) o.x = position("x", w);
+        if (isNaN(o.y)) o.y = position("y", h);
+        if (isNaN(o.px)) o.px = o.x;
+        if (isNaN(o.py)) o.py = o.y;
+      }
+      charges = [];
+      if (typeof charge === "function") {
+        for (i = 0; i < n; ++i) {
+          charges[i] = +charge.call(this, nodes[i], i);
+        }
+      } else {
+        for (i = 0; i < n; ++i) {
+          charges[i] = charge;
+        }
+      }
+      return force.resume();
+    };
+    force.resume = function() {
+      return force.alpha(.1);
+    };
+    force.stop = function() {
+      return force.alpha(0);
+    };
+    force.drag = function() {
+      if (!drag) drag = d3.behavior.drag().origin(d3_identity).on("dragstart", d3_layout_forceDragstart).on("drag", dragmove).on("dragend", d3_layout_forceDragend);
+      this.on("mouseover.force", d3_layout_forceMouseover).on("mouseout.force", d3_layout_forceMouseout).call(drag);
+    };
+    return d3.rebind(force, event, "on");
+  };
+  d3.layout.partition = function() {
+    function position(node, x, dx, dy) {
+      var children = node.children;
+      node.x = x;
+      node.y = node.depth * dy;
+      node.dx = dx;
+      node.dy = dy;
+      if (children && (n = children.length)) {
+        var i = -1, n, c, d;
+        dx = node.value ? dx / node.value : 0;
+        while (++i < n) {
+          position(c = children[i], x, d = c.value * dx, dy);
+          x += d;
+        }
+      }
+    }
+    function depth(node) {
+      var children = node.children, d = 0;
+      if (children && (n = children.length)) {
+        var i = -1, n;
+        while (++i < n) d = Math.max(d, depth(children[i]));
+      }
+      return 1 + d;
+    }
+    function partition(d, i) {
+      var nodes = hierarchy.call(this, d, i);
+      position(nodes[0], 0, size[0], size[1] / depth(nodes[0]));
+      return nodes;
+    }
+    var hierarchy = d3.layout.hierarchy(), size = [ 1, 1 ];
+    partition.size = function(x) {
+      if (!arguments.length) return size;
+      size = x;
+      return partition;
+    };
+    return d3_layout_hierarchyRebind(partition, hierarchy);
+  };
+  d3.layout.pie = function() {
+    function pie(data, i) {
+      var values = data.map(function(d, i) {
+        return +value.call(pie, d, i);
+      });
+      var a = +(typeof startAngle === "function" ? startAngle.apply(this, arguments) : startAngle);
+      var k = ((typeof endAngle === "function" ? endAngle.apply(this, arguments) : endAngle) - startAngle) / d3.sum(values);
+      var index = d3.range(data.length);
+      if (sort != null) index.sort(sort === d3_layout_pieSortByValue ? function(i, j) {
+        return values[j] - values[i];
+      } : function(i, j) {
+        return sort(data[i], data[j]);
+      });
+      var arcs = [];
+      index.forEach(function(i) {
+        var d;
+        arcs[i] = {
+          data: data[i],
+          value: d = values[i],
+          startAngle: a,
+          endAngle: a += d * k
+        };
+      });
+      return arcs;
+    }
+    var value = Number, sort = d3_layout_pieSortByValue, startAngle = 0, endAngle = 2 * Math.PI;
+    pie.value = function(x) {
+      if (!arguments.length) return value;
+      value = x;
+      return pie;
+    };
+    pie.sort = function(x) {
+      if (!arguments.length) return sort;
+      sort = x;
+      return pie;
+    };
+    pie.startAngle = function(x) {
+      if (!arguments.length) return startAngle;
+      startAngle = x;
+      return pie;
+    };
+    pie.endAngle = function(x) {
+      if (!arguments.length) return endAngle;
+      endAngle = x;
+      return pie;
+    };
+    return pie;
+  };
+  var d3_layout_pieSortByValue = {};
+  d3.layout.stack = function() {
+    function stack(data, index) {
+      var series = data.map(function(d, i) {
+        return values.call(stack, d, i);
+      });
+      var points = series.map(function(d, i) {
+        return d.map(function(v, i) {
+          return [ x.call(stack, v, i), y.call(stack, v, i) ];
+        });
+      });
+      var orders = order.call(stack, points, index);
+      series = d3.permute(series, orders);
+      points = d3.permute(points, orders);
+      var offsets = offset.call(stack, points, index);
+      var n = series.length, m = series[0].length, i, j, o;
+      for (j = 0; j < m; ++j) {
+        out.call(stack, series[0][j], o = offsets[j], points[0][j][1]);
+        for (i = 1; i < n; ++i) {
+          out.call(stack, series[i][j], o += points[i - 1][j][1], points[i][j][1]);
+        }
+      }
+      return data;
+    }
+    var values = d3_identity, order = d3_layout_stackOrderDefault, offset = d3_layout_stackOffsetZero, out = d3_layout_stackOut, x = d3_layout_stackX, y = d3_layout_stackY;
+    stack.values = function(x) {
+      if (!arguments.length) return values;
+      values = x;
+      return stack;
+    };
+    stack.order = function(x) {
+      if (!arguments.length) return order;
+      order = typeof x === "function" ? x : d3_layout_stackOrders.get(x) || d3_layout_stackOrderDefault;
+      return stack;
+    };
+    stack.offset = function(x) {
+      if (!arguments.length) return offset;
+      offset = typeof x === "function" ? x : d3_layout_stackOffsets.get(x) || d3_layout_stackOffsetZero;
+      return stack;
+    };
+    stack.x = function(z) {
+      if (!arguments.length) return x;
+      x = z;
+      return stack;
+    };
+    stack.y = function(z) {
+      if (!arguments.length) return y;
+      y = z;
+      return stack;
+    };
+    stack.out = function(z) {
+      if (!arguments.length) return out;
+      out = z;
+      return stack;
+    };
+    return stack;
+  };
+  var d3_layout_stackOrders = d3.map({
+    "inside-out": function(data) {
+      var n = data.length, i, j, max = data.map(d3_layout_stackMaxIndex), sums = data.map(d3_layout_stackReduceSum), index = d3.range(n).sort(function(a, b) {
+        return max[a] - max[b];
+      }), top = 0, bottom = 0, tops = [], bottoms = [];
+      for (i = 0; i < n; ++i) {
+        j = index[i];
+        if (top < bottom) {
+          top += sums[j];
+          tops.push(j);
+        } else {
+          bottom += sums[j];
+          bottoms.push(j);
+        }
+      }
+      return bottoms.reverse().concat(tops);
+    },
+    reverse: function(data) {
+      return d3.range(data.length).reverse();
+    },
+    "default": d3_layout_stackOrderDefault
+  });
+  var d3_layout_stackOffsets = d3.map({
+    silhouette: function(data) {
+      var n = data.length, m = data[0].length, sums = [], max = 0, i, j, o, y0 = [];
+      for (j = 0; j < m; ++j) {
+        for (i = 0, o = 0; i < n; i++) o += data[i][j][1];
+        if (o > max) max = o;
+        sums.push(o);
+      }
+      for (j = 0; j < m; ++j) {
+        y0[j] = (max - sums[j]) / 2;
+      }
+      return y0;
+    },
+    wiggle: function(data) {
+      var n = data.length, x = data[0], m = x.length, max = 0, i, j, k, s1, s2, s3, dx, o, o0, y0 = [];
+      y0[0] = o = o0 = 0;
+      for (j = 1; j < m; ++j) {
+        for (i = 0, s1 = 0; i < n; ++i) s1 += data[i][j][1];
+        for (i = 0, s2 = 0, dx = x[j][0] - x[j - 1][0]; i < n; ++i) {
+          for (k = 0, s3 = (data[i][j][1] - data[i][j - 1][1]) / (2 * dx); k < i; ++k) {
+            s3 += (data[k][j][1] - data[k][j - 1][1]) / dx;
+          }
+          s2 += s3 * data[i][j][1];
+        }
+        y0[j] = o -= s1 ? s2 / s1 * dx : 0;
+        if (o < o0) o0 = o;
+      }
+      for (j = 0; j < m; ++j) y0[j] -= o0;
+      return y0;
+    },
+    expand: function(data) {
+      var n = data.length, m = data[0].length, k = 1 / n, i, j, o, y0 = [];
+      for (j = 0; j < m; ++j) {
+        for (i = 0, o = 0; i < n; i++) o += data[i][j][1];
+        if (o) for (i = 0; i < n; i++) data[i][j][1] /= o; else for (i = 0; i < n; i++) data[i][j][1] = k;
+      }
+      for (j = 0; j < m; ++j) y0[j] = 0;
+      return y0;
+    },
+    zero: d3_layout_stackOffsetZero
+  });
+  d3.layout.histogram = function() {
+    function histogram(data, i) {
+      var bins = [], values = data.map(valuer, this), range = ranger.call(this, values, i), thresholds = binner.call(this, range, values, i), bin, i = -1, n = values.length, m = thresholds.length - 1, k = frequency ? 1 : 1 / n, x;
+      while (++i < m) {
+        bin = bins[i] = [];
+        bin.dx = thresholds[i + 1] - (bin.x = thresholds[i]);
+        bin.y = 0;
+      }
+      if (m > 0) {
+        i = -1;
+        while (++i < n) {
+          x = values[i];
+          if (x >= range[0] && x <= range[1]) {
+            bin = bins[d3.bisect(thresholds, x, 1, m) - 1];
+            bin.y += k;
+            bin.push(data[i]);
+          }
+        }
+      }
+      return bins;
+    }
+    var frequency = true, valuer = Number, ranger = d3_layout_histogramRange, binner = d3_layout_histogramBinSturges;
+    histogram.value = function(x) {
+      if (!arguments.length) return valuer;
+      valuer = x;
+      return histogram;
+    };
+    histogram.range = function(x) {
+      if (!arguments.length) return ranger;
+      ranger = d3_functor(x);
+      return histogram;
+    };
+    histogram.bins = function(x) {
+      if (!arguments.length) return binner;
+      binner = typeof x === "number" ? function(range) {
+        return d3_layout_histogramBinFixed(range, x);
+      } : d3_functor(x);
+      return histogram;
+    };
+    histogram.frequency = function(x) {
+      if (!arguments.length) return frequency;
+      frequency = !!x;
+      return histogram;
+    };
+    return histogram;
+  };
+  d3.layout.hierarchy = function() {
+    function recurse(data, depth, nodes) {
+      var childs = children.call(hierarchy, data, depth), node = d3_layout_hierarchyInline ? data : {
+        data: data
+      };
+      node.depth = depth;
+      nodes.push(node);
+      if (childs && (n = childs.length)) {
+        var i = -1, n, c = node.children = [], v = 0, j = depth + 1, d;
+        while (++i < n) {
+          d = recurse(childs[i], j, nodes);
+          d.parent = node;
+          c.push(d);
+          v += d.value;
+        }
+        if (sort) c.sort(sort);
+        if (value) node.value = v;
+      } else if (value) {
+        node.value = +value.call(hierarchy, data, depth) || 0;
+      }
+      return node;
+    }
+    function revalue(node, depth) {
+      var children = node.children, v = 0;
+      if (children && (n = children.length)) {
+        var i = -1, n, j = depth + 1;
+        while (++i < n) v += revalue(children[i], j);
+      } else if (value) {
+        v = +value.call(hierarchy, d3_layout_hierarchyInline ? node : node.data, depth) || 0;
+      }
+      if (value) node.value = v;
+      return v;
+    }
+    function hierarchy(d) {
+      var nodes = [];
+      recurse(d, 0, nodes);
+      return nodes;
+    }
+    var sort = d3_layout_hierarchySort, children = d3_layout_hierarchyChildren, value = d3_layout_hierarchyValue;
+    hierarchy.sort = function(x) {
+      if (!arguments.length) return sort;
+      sort = x;
+      return hierarchy;
+    };
+    hierarchy.children = function(x) {
+      if (!arguments.length) return children;
+      children = x;
+      return hierarchy;
+    };
+    hierarchy.value = function(x) {
+      if (!arguments.length) return value;
+      value = x;
+      return hierarchy;
+    };
+    hierarchy.revalue = function(root) {
+      revalue(root, 0);
+      return root;
+    };
+    return hierarchy;
+  };
+  var d3_layout_hierarchyInline = false;
+  d3.layout.pack = function() {
+    function pack(d, i) {
+      var nodes = hierarchy.call(this, d, i), root = nodes[0];
+      root.x = 0;
+      root.y = 0;
+      d3_layout_treeVisitAfter(root, function(d) {
+        d.r = Math.sqrt(d.value);
+      });
+      d3_layout_treeVisitAfter(root, d3_layout_packSiblings);
+      var w = size[0], h = size[1], k = Math.max(2 * root.r / w, 2 * root.r / h);
+      if (padding > 0) {
+        var dr = padding * k / 2;
+        d3_layout_treeVisitAfter(root, function(d) {
+          d.r += dr;
+        });
+        d3_layout_treeVisitAfter(root, d3_layout_packSiblings);
+        d3_layout_treeVisitAfter(root, function(d) {
+          d.r -= dr;
+        });
+        k = Math.max(2 * root.r / w, 2 * root.r / h);
+      }
+      d3_layout_packTransform(root, w / 2, h / 2, 1 / k);
+      return nodes;
+    }
+    var hierarchy = d3.layout.hierarchy().sort(d3_layout_packSort), padding = 0, size = [ 1, 1 ];
+    pack.size = function(x) {
+      if (!arguments.length) return size;
+      size = x;
+      return pack;
+    };
+    pack.padding = function(_) {
+      if (!arguments.length) return padding;
+      padding = +_;
+      return pack;
+    };
+    return d3_layout_hierarchyRebind(pack, hierarchy);
+  };
+  d3.layout.cluster = function() {
+    function cluster(d, i) {
+      var nodes = hierarchy.call(this, d, i), root = nodes[0], previousNode, x = 0, kx, ky;
+      d3_layout_treeVisitAfter(root, function(node) {
+        var children = node.children;
+        if (children && children.length) {
+          node.x = d3_layout_clusterX(children);
+          node.y = d3_layout_clusterY(children);
+        } else {
+          node.x = previousNode ? x += separation(node, previousNode) : 0;
+          node.y = 0;
+          previousNode = node;
+        }
+      });
+      var left = d3_layout_clusterLeft(root), right = d3_layout_clusterRight(root), x0 = left.x - separation(left, right) / 2, x1 = right.x + separation(right, left) / 2;
+      d3_layout_treeVisitAfter(root, function(node) {
+        node.x = (node.x - x0) / (x1 - x0) * size[0];
+        node.y = (1 - (root.y ? node.y / root.y : 1)) * size[1];
+      });
+      return nodes;
+    }
+    var hierarchy = d3.layout.hierarchy().sort(null).value(null), separation = d3_layout_treeSeparation, size = [ 1, 1 ];
+    cluster.separation = function(x) {
+      if (!arguments.length) return separation;
+      separation = x;
+      return cluster;
+    };
+    cluster.size = function(x) {
+      if (!arguments.length) return size;
+      size = x;
+      return cluster;
+    };
+    return d3_layout_hierarchyRebind(cluster, hierarchy);
+  };
+  d3.layout.tree = function() {
+    function tree(d, i) {
+      function firstWalk(node, previousSibling) {
+        var children = node.children, layout = node._tree;
+        if (children && (n = children.length)) {
+          var n, firstChild = children[0], previousChild, ancestor = firstChild, child, i = -1;
+          while (++i < n) {
+            child = children[i];
+            firstWalk(child, previousChild);
+            ancestor = apportion(child, previousChild, ancestor);
+            previousChild = child;
+          }
+          d3_layout_treeShift(node);
+          var midpoint = .5 * (firstChild._tree.prelim + child._tree.prelim);
+          if (previousSibling) {
+            layout.prelim = previousSibling._tree.prelim + separation(node, previousSibling);
+            layout.mod = layout.prelim - midpoint;
+          } else {
+            layout.prelim = midpoint;
+          }
+        } else {
+          if (previousSibling) {
+            layout.prelim = previousSibling._tree.prelim + separation(node, previousSibling);
+          }
+        }
+      }
+      function secondWalk(node, x) {
+        node.x = node._tree.prelim + x;
+        var children = node.children;
+        if (children && (n = children.length)) {
+          var i = -1, n;
+          x += node._tree.mod;
+          while (++i < n) {
+            secondWalk(children[i], x);
+          }
+        }
+      }
+      function apportion(node, previousSibling, ancestor) {
+        if (previousSibling) {
+          var vip = node, vop = node, vim = previousSibling, vom = node.parent.children[0], sip = vip._tree.mod, sop = vop._tree.mod, sim = vim._tree.mod, som = vom._tree.mod, shift;
+          while (vim = d3_layout_treeRight(vim), vip = d3_layout_treeLeft(vip), vim && vip) {
+            vom = d3_layout_treeLeft(vom);
+            vop = d3_layout_treeRight(vop);
+            vop._tree.ancestor = node;
+            shift = vim._tree.prelim + sim - vip._tree.prelim - sip + separation(vim, vip);
+            if (shift > 0) {
+              d3_layout_treeMove(d3_layout_treeAncestor(vim, node, ancestor), node, shift);
+              sip += shift;
+              sop += shift;
+            }
+            sim += vim._tree.mod;
+            sip += vip._tree.mod;
+            som += vom._tree.mod;
+            sop += vop._tree.mod;
+          }
+          if (vim && !d3_layout_treeRight(vop)) {
+            vop._tree.thread = vim;
+            vop._tree.mod += sim - sop;
+          }
+          if (vip && !d3_layout_treeLeft(vom)) {
+            vom._tree.thread = vip;
+            vom._tree.mod += sip - som;
+            ancestor = node;
+          }
+        }
+        return ancestor;
+      }
+      var nodes = hierarchy.call(this, d, i), root = nodes[0];
+      d3_layout_treeVisitAfter(root, function(node, previousSibling) {
+        node._tree = {
+          ancestor: node,
+          prelim: 0,
+          mod: 0,
+          change: 0,
+          shift: 0,
+          number: previousSibling ? previousSibling._tree.number + 1 : 0
+        };
+      });
+      firstWalk(root);
+      secondWalk(root, -root._tree.prelim);
+      var left = d3_layout_treeSearch(root, d3_layout_treeLeftmost), right = d3_layout_treeSearch(root, d3_layout_treeRightmost), deep = d3_layout_treeSearch(root, d3_layout_treeDeepest), x0 = left.x - separation(left, right) / 2, x1 = right.x + separation(right, left) / 2, y1 = deep.depth || 1;
+      d3_layout_treeVisitAfter(root, function(node) {
+        node.x = (node.x - x0) / (x1 - x0) * size[0];
+        node.y = node.depth / y1 * size[1];
+        delete node._tree;
+      });
+      return nodes;
+    }
+    var hierarchy = d3.layout.hierarchy().sort(null).value(null), separation = d3_layout_treeSeparation, size = [ 1, 1 ];
+    tree.separation = function(x) {
+      if (!arguments.length) return separation;
+      separation = x;
+      return tree;
+    };
+    tree.size = function(x) {
+      if (!arguments.length) return size;
+      size = x;
+      return tree;
+    };
+    return d3_layout_hierarchyRebind(tree, hierarchy);
+  };
+  d3.layout.treemap = function() {
+    function scale(children, k) {
+      var i = -1, n = children.length, child, area;
+      while (++i < n) {
+        area = (child = children[i]).value * (k < 0 ? 0 : k);
+        child.area = isNaN(area) || area <= 0 ? 0 : area;
+      }
+    }
+    function squarify(node) {
+      var children = node.children;
+      if (children && children.length) {
+        var rect = pad(node), row = [], remaining = children.slice(), child, best = Infinity, score, u = Math.min(rect.dx, rect.dy), n;
+        scale(remaining, rect.dx * rect.dy / node.value);
+        row.area = 0;
+        while ((n = remaining.length) > 0) {
+          row.push(child = remaining[n - 1]);
+          row.area += child.area;
+          if ((score = worst(row, u)) <= best) {
+            remaining.pop();
+            best = score;
+          } else {
+            row.area -= row.pop().area;
+            position(row, u, rect, false);
+            u = Math.min(rect.dx, rect.dy);
+            row.length = row.area = 0;
+            best = Infinity;
+          }
+        }
+        if (row.length) {
+          position(row, u, rect, true);
+          row.length = row.area = 0;
+        }
+        children.forEach(squarify);
+      }
+    }
+    function stickify(node) {
+      var children = node.children;
+      if (children && children.length) {
+        var rect = pad(node), remaining = children.slice(), child, row = [];
+        scale(remaining, rect.dx * rect.dy / node.value);
+        row.area = 0;
+        while (child = remaining.pop()) {
+          row.push(child);
+          row.area += child.area;
+          if (child.z != null) {
+            position(row, child.z ? rect.dx : rect.dy, rect, !remaining.length);
+            row.length = row.area = 0;
+          }
+        }
+        children.forEach(stickify);
+      }
+    }
+    function worst(row, u) {
+      var s = row.area, r, rmax = 0, rmin = Infinity, i = -1, n = row.length;
+      while (++i < n) {
+        if (!(r = row[i].area)) continue;
+        if (r < rmin) rmin = r;
+        if (r > rmax) rmax = r;
+      }
+      s *= s;
+      u *= u;
+      return s ? Math.max(u * rmax * ratio / s, s / (u * rmin * ratio)) : Infinity;
+    }
+    function position(row, u, rect, flush) {
+      var i = -1, n = row.length, x = rect.x, y = rect.y, v = u ? round(row.area / u) : 0, o;
+      if (u == rect.dx) {
+        if (flush || v > rect.dy) v = rect.dy;
+        while (++i < n) {
+          o = row[i];
+          o.x = x;
+          o.y = y;
+          o.dy = v;
+          x += o.dx = Math.min(rect.x + rect.dx - x, v ? round(o.area / v) : 0);
+        }
+        o.z = true;
+        o.dx += rect.x + rect.dx - x;
+        rect.y += v;
+        rect.dy -= v;
+      } else {
+        if (flush || v > rect.dx) v = rect.dx;
+        while (++i < n) {
+          o = row[i];
+          o.x = x;
+          o.y = y;
+          o.dx = v;
+          y += o.dy = Math.min(rect.y + rect.dy - y, v ? round(o.area / v) : 0);
+        }
+        o.z = false;
+        o.dy += rect.y + rect.dy - y;
+        rect.x += v;
+        rect.dx -= v;
+      }
+    }
+    function treemap(d) {
+      var nodes = stickies || hierarchy(d), root = nodes[0];
+      root.x = 0;
+      root.y = 0;
+      root.dx = size[0];
+      root.dy = size[1];
+      if (stickies) hierarchy.revalue(root);
+      scale([ root ], root.dx * root.dy / root.value);
+      (stickies ? stickify : squarify)(root);
+      if (sticky) stickies = nodes;
+      return nodes;
+    }
+    var hierarchy = d3.layout.hierarchy(), round = Math.round, size = [ 1, 1 ], padding = null, pad = d3_layout_treemapPadNull, sticky = false, stickies, ratio = .5 * (1 + Math.sqrt(5));
+    treemap.size = function(x) {
+      if (!arguments.length) return size;
+      size = x;
+      return treemap;
+    };
+    treemap.padding = function(x) {
+      function padFunction(node) {
+        var p = x.call(treemap, node, node.depth);
+        return p == null ? d3_layout_treemapPadNull(node) : d3_layout_treemapPad(node, typeof p === "number" ? [ p, p, p, p ] : p);
+      }
+      function padConstant(node) {
+        return d3_layout_treemapPad(node, x);
+      }
+      if (!arguments.length) return padding;
+      var type;
+      pad = (padding = x) == null ? d3_layout_treemapPadNull : (type = typeof x) === "function" ? padFunction : type === "number" ? (x = [ x, x, x, x ], padConstant) : padConstant;
+      return treemap;
+    };
+    treemap.round = function(x) {
+      if (!arguments.length) return round != Number;
+      round = x ? Math.round : Number;
+      return treemap;
+    };
+    treemap.sticky = function(x) {
+      if (!arguments.length) return sticky;
+      sticky = x;
+      stickies = null;
+      return treemap;
+    };
+    treemap.ratio = function(x) {
+      if (!arguments.length) return ratio;
+      ratio = x;
+      return treemap;
+    };
+    return d3_layout_hierarchyRebind(treemap, hierarchy);
+  };
+  d3.csv = d3_dsv(",", "text/csv");
+  d3.tsv = d3_dsv("	", "text/tab-separated-values");
+  d3.geo = {};
+  var d3_geo_radians = Math.PI / 180;
+  d3.geo.azimuthal = function() {
+    function azimuthal(coordinates) {
+      var x1 = coordinates[0] * d3_geo_radians - x0, y1 = coordinates[1] * d3_geo_radians, cx1 = Math.cos(x1), sx1 = Math.sin(x1), cy1 = Math.cos(y1), sy1 = Math.sin(y1), cc = mode !== "orthographic" ? sy0 * sy1 + cy0 * cy1 * cx1 : null, c, k = mode === "stereographic" ? 1 / (1 + cc) : mode === "gnomonic" ? 1 / cc : mode === "equidistant" ? (c = Math.acos(cc), c ? c / Math.sin(c) : 0) : mode === "equalarea" ? Math.sqrt(2 / (1 + cc)) : 1, x = k * cy1 * sx1, y = k * (sy0 * cy1 * cx1 - cy0 * sy1);
+      return [ scale * x + translate[0], scale * y + translate[1] ];
+    }
+    var mode = "orthographic", origin, scale = 200, translate = [ 480, 250 ], x0, y0, cy0, sy0;
+    azimuthal.invert = function(coordinates) {
+      var x = (coordinates[0] - translate[0]) / scale, y = (coordinates[1] - translate[1]) / scale, p = Math.sqrt(x * x + y * y), c = mode === "stereographic" ? 2 * Math.atan(p) : mode === "gnomonic" ? Math.atan(p) : mode === "equidistant" ? p : mode === "equalarea" ? 2 * Math.asin(.5 * p) : Math.asin(p), sc = Math.sin(c), cc = Math.cos(c);
+      return [ (x0 + Math.atan2(x * sc, p * cy0 * cc + y * sy0 * sc)) / d3_geo_radians, Math.asin(cc * sy0 - (p ? y * sc * cy0 / p : 0)) / d3_geo_radians ];
+    };
+    azimuthal.mode = function(x) {
+      if (!arguments.length) return mode;
+      mode = x + "";
+      return azimuthal;
+    };
+    azimuthal.origin = function(x) {
+      if (!arguments.length) return origin;
+      origin = x;
+      x0 = origin[0] * d3_geo_radians;
+      y0 = origin[1] * d3_geo_radians;
+      cy0 = Math.cos(y0);
+      sy0 = Math.sin(y0);
+      return azimuthal;
+    };
+    azimuthal.scale = function(x) {
+      if (!arguments.length) return scale;
+      scale = +x;
+      return azimuthal;
+    };
+    azimuthal.translate = function(x) {
+      if (!arguments.length) return translate;
+      translate = [ +x[0], +x[1] ];
+      return azimuthal;
+    };
+    return azimuthal.origin([ 0, 0 ]);
+  };
+  d3.geo.albers = function() {
+    function albers(coordinates) {
+      var t = n * (d3_geo_radians * coordinates[0] - lng0), p = Math.sqrt(C - 2 * n * Math.sin(d3_geo_radians * coordinates[1])) / n;
+      return [ scale * p * Math.sin(t) + translate[0], scale * (p * Math.cos(t) - p0) + translate[1] ];
+    }
+    function reload() {
+      var phi1 = d3_geo_radians * parallels[0], phi2 = d3_geo_radians * parallels[1], lat0 = d3_geo_radians * origin[1], s = Math.sin(phi1), c = Math.cos(phi1);
+      lng0 = d3_geo_radians * origin[0];
+      n = .5 * (s + Math.sin(phi2));
+      C = c * c + 2 * n * s;
+      p0 = Math.sqrt(C - 2 * n * Math.sin(lat0)) / n;
+      return albers;
+    }
+    var origin = [ -98, 38 ], parallels = [ 29.5, 45.5 ], scale = 1e3, translate = [ 480, 250 ], lng0, n, C, p0;
+    albers.invert = function(coordinates) {
+      var x = (coordinates[0] - translate[0]) / scale, y = (coordinates[1] - translate[1]) / scale, p0y = p0 + y, t = Math.atan2(x, p0y), p = Math.sqrt(x * x + p0y * p0y);
+      return [ (lng0 + t / n) / d3_geo_radians, Math.asin((C - p * p * n * n) / (2 * n)) / d3_geo_radians ];
+    };
+    albers.origin = function(x) {
+      if (!arguments.length) return origin;
+      origin = [ +x[0], +x[1] ];
+      return reload();
+    };
+    albers.parallels = function(x) {
+      if (!arguments.length) return parallels;
+      parallels = [ +x[0], +x[1] ];
+      return reload();
+    };
+    albers.scale = function(x) {
+      if (!arguments.length) return scale;
+      scale = +x;
+      return albers;
+    };
+    albers.translate = function(x) {
+      if (!arguments.length) return translate;
+      translate = [ +x[0], +x[1] ];
+      return albers;
+    };
+    return reload();
+  };
+  d3.geo.albersUsa = function() {
+    function albersUsa(coordinates) {
+      var lon = coordinates[0], lat = coordinates[1];
+      return (lat > 50 ? alaska : lon < -140 ? hawaii : lat < 21 ? puertoRico : lower48)(coordinates);
+    }
+    var lower48 = d3.geo.albers();
+    var alaska = d3.geo.albers().origin([ -160, 60 ]).parallels([ 55, 65 ]);
+    var hawaii = d3.geo.albers().origin([ -160, 20 ]).parallels([ 8, 18 ]);
+    var puertoRico = d3.geo.albers().origin([ -60, 10 ]).parallels([ 8, 18 ]);
+    albersUsa.scale = function(x) {
+      if (!arguments.length) return lower48.scale();
+      lower48.scale(x);
+      alaska.scale(x * .6);
+      hawaii.scale(x);
+      puertoRico.scale(x * 1.5);
+      return albersUsa.translate(lower48.translate());
+    };
+    albersUsa.translate = function(x) {
+      if (!arguments.length) return lower48.translate();
+      var dz = lower48.scale() / 1e3, dx = x[0], dy = x[1];
+      lower48.translate(x);
+      alaska.translate([ dx - 400 * dz, dy + 170 * dz ]);
+      hawaii.translate([ dx - 190 * dz, dy + 200 * dz ]);
+      puertoRico.translate([ dx + 580 * dz, dy + 430 * dz ]);
+      return albersUsa;
+    };
+    return albersUsa.scale(lower48.scale());
+  };
+  d3.geo.bonne = function() {
+    function bonne(coordinates) {
+      var x = coordinates[0] * d3_geo_radians - x0, y = coordinates[1] * d3_geo_radians - y0;
+      if (y1) {
+        var p = c1 + y1 - y, E = x * Math.cos(y) / p;
+        x = p * Math.sin(E);
+        y = p * Math.cos(E) - c1;
+      } else {
+        x *= Math.cos(y);
+        y *= -1;
+      }
+      return [ scale * x + translate[0], scale * y + translate[1] ];
+    }
+    var scale = 200, translate = [ 480, 250 ], x0, y0, y1, c1;
+    bonne.invert = function(coordinates) {
+      var x = (coordinates[0] - translate[0]) / scale, y = (coordinates[1] - translate[1]) / scale;
+      if (y1) {
+        var c = c1 + y, p = Math.sqrt(x * x + c * c);
+        y = c1 + y1 - p;
+        x = x0 + p * Math.atan2(x, c) / Math.cos(y);
+      } else {
+        y *= -1;
+        x /= Math.cos(y);
+      }
+      return [ x / d3_geo_radians, y / d3_geo_radians ];
+    };
+    bonne.parallel = function(x) {
+      if (!arguments.length) return y1 / d3_geo_radians;
+      c1 = 1 / Math.tan(y1 = x * d3_geo_radians);
+      return bonne;
+    };
+    bonne.origin = function(x) {
+      if (!arguments.length) return [ x0 / d3_geo_radians, y0 / d3_geo_radians ];
+      x0 = x[0] * d3_geo_radians;
+      y0 = x[1] * d3_geo_radians;
+      return bonne;
+    };
+    bonne.scale = function(x) {
+      if (!arguments.length) return scale;
+      scale = +x;
+      return bonne;
+    };
+    bonne.translate = function(x) {
+      if (!arguments.length) return translate;
+      translate = [ +x[0], +x[1] ];
+      return bonne;
+    };
+    return bonne.origin([ 0, 0 ]).parallel(45);
+  };
+  d3.geo.equirectangular = function() {
+    function equirectangular(coordinates) {
+      var x = coordinates[0] / 360, y = -coordinates[1] / 360;
+      return [ scale * x + translate[0], scale * y + translate[1] ];
+    }
+    var scale = 500, translate = [ 480, 250 ];
+    equirectangular.invert = function(coordinates) {
+      var x = (coordinates[0] - translate[0]) / scale, y = (coordinates[1] - translate[1]) / scale;
+      return [ 360 * x, -360 * y ];
+    };
+    equirectangular.scale = function(x) {
+      if (!arguments.length) return scale;
+      scale = +x;
+      return equirectangular;
+    };
+    equirectangular.translate = function(x) {
+      if (!arguments.length) return translate;
+      translate = [ +x[0], +x[1] ];
+      return equirectangular;
+    };
+    return equirectangular;
+  };
+  d3.geo.mercator = function() {
+    function mercator(coordinates) {
+      var x = coordinates[0] / 360, y = -(Math.log(Math.tan(Math.PI / 4 + coordinates[1] * d3_geo_radians / 2)) / d3_geo_radians) / 360;
+      return [ scale * x + translate[0], scale * Math.max(-.5, Math.min(.5, y)) + translate[1] ];
+    }
+    var scale = 500, translate = [ 480, 250 ];
+    mercator.invert = function(coordinates) {
+      var x = (coordinates[0] - translate[0]) / scale, y = (coordinates[1] - translate[1]) / scale;
+      return [ 360 * x, 2 * Math.atan(Math.exp(-360 * y * d3_geo_radians)) / d3_geo_radians - 90 ];
+    };
+    mercator.scale = function(x) {
+      if (!arguments.length) return scale;
+      scale = +x;
+      return mercator;
+    };
+    mercator.translate = function(x) {
+      if (!arguments.length) return translate;
+      translate = [ +x[0], +x[1] ];
+      return mercator;
+    };
+    return mercator;
+  };
+  d3.geo.path = function() {
+    function path(d, i) {
+      if (typeof pointRadius === "function") pointCircle = d3_path_circle(pointRadius.apply(this, arguments));
+      pathType(d);
+      var result = buffer.length ? buffer.join("") : null;
+      buffer = [];
+      return result;
+    }
+    function project(coordinates) {
+      return projection(coordinates).join(",");
+    }
+    function polygonArea(coordinates) {
+      var sum = area(coordinates[0]), i = 0, n = coordinates.length;
+      while (++i < n) sum -= area(coordinates[i]);
+      return sum;
+    }
+    function polygonCentroid(coordinates) {
+      var polygon = d3.geom.polygon(coordinates[0].map(projection)), area = polygon.area(), centroid = polygon.centroid(area < 0 ? (area *= -1, 1) : -1), x = centroid[0], y = centroid[1], z = area, i = 0, n = coordinates.length;
+      while (++i < n) {
+        polygon = d3.geom.polygon(coordinates[i].map(projection));
+        area = polygon.area();
+        centroid = polygon.centroid(area < 0 ? (area *= -1, 1) : -1);
+        x -= centroid[0];
+        y -= centroid[1];
+        z -= area;
+      }
+      return [ x, y, 6 * z ];
+    }
+    function area(coordinates) {
+      return Math.abs(d3.geom.polygon(coordinates.map(projection)).area());
+    }
+    var pointRadius = 4.5, pointCircle = d3_path_circle(pointRadius), projection = d3.geo.albersUsa(), buffer = [];
+    var pathType = d3_geo_type({
+      FeatureCollection: function(o) {
+        var features = o.features, i = -1, n = features.length;
+        while (++i < n) buffer.push(pathType(features[i].geometry));
+      },
+      Feature: function(o) {
+        pathType(o.geometry);
+      },
+      Point: function(o) {
+        buffer.push("M", project(o.coordinates), pointCircle);
+      },
+      MultiPoint: function(o) {
+        var coordinates = o.coordinates, i = -1, n = coordinates.length;
+        while (++i < n) buffer.push("M", project(coordinates[i]), pointCircle);
+      },
+      LineString: function(o) {
+        var coordinates = o.coordinates, i = -1, n = coordinates.length;
+        buffer.push("M");
+        while (++i < n) buffer.push(project(coordinates[i]), "L");
+        buffer.pop();
+      },
+      MultiLineString: function(o) {
+        var coordinates = o.coordinates, i = -1, n = coordinates.length, subcoordinates, j, m;
+        while (++i < n) {
+          subcoordinates = coordinates[i];
+          j = -1;
+          m = subcoordinates.length;
+          buffer.push("M");
+          while (++j < m) buffer.push(project(subcoordinates[j]), "L");
+          buffer.pop();
+        }
+      },
+      Polygon: function(o) {
+        var coordinates = o.coordinates, i = -1, n = coordinates.length, subcoordinates, j, m;
+        while (++i < n) {
+          subcoordinates = coordinates[i];
+          j = -1;
+          if ((m = subcoordinates.length - 1) > 0) {
+            buffer.push("M");
+            while (++j < m) buffer.push(project(subcoordinates[j]), "L");
+            buffer[buffer.length - 1] = "Z";
+          }
+        }
+      },
+      MultiPolygon: function(o) {
+        var coordinates = o.coordinates, i = -1, n = coordinates.length, subcoordinates, j, m, subsubcoordinates, k, p;
+        while (++i < n) {
+          subcoordinates = coordinates[i];
+          j = -1;
+          m = subcoordinates.length;
+          while (++j < m) {
+            subsubcoordinates = subcoordinates[j];
+            k = -1;
+            if ((p = subsubcoordinates.length - 1) > 0) {
+              buffer.push("M");
+              while (++k < p) buffer.push(project(subsubcoordinates[k]), "L");
+              buffer[buffer.length - 1] = "Z";
+            }
+          }
+        }
+      },
+      GeometryCollection: function(o) {
+        var geometries = o.geometries, i = -1, n = geometries.length;
+        while (++i < n) buffer.push(pathType(geometries[i]));
+      }
+    });
+    var areaType = path.area = d3_geo_type({
+      FeatureCollection: function(o) {
+        var area = 0, features = o.features, i = -1, n = features.length;
+        while (++i < n) area += areaType(features[i]);
+        return area;
+      },
+      Feature: function(o) {
+        return areaType(o.geometry);
+      },
+      Polygon: function(o) {
+        return polygonArea(o.coordinates);
+      },
+      MultiPolygon: function(o) {
+        var sum = 0, coordinates = o.coordinates, i = -1, n = coordinates.length;
+        while (++i < n) sum += polygonArea(coordinates[i]);
+        return sum;
+      },
+      GeometryCollection: function(o) {
+        var sum = 0, geometries = o.geometries, i = -1, n = geometries.length;
+        while (++i < n) sum += areaType(geometries[i]);
+        return sum;
+      }
+    }, 0);
+    var centroidType = path.centroid = d3_geo_type({
+      Feature: function(o) {
+        return centroidType(o.geometry);
+      },
+      Polygon: function(o) {
+        var centroid = polygonCentroid(o.coordinates);
+        return [ centroid[0] / centroid[2], centroid[1] / centroid[2] ];
+      },
+      MultiPolygon: function(o) {
+        var area = 0, coordinates = o.coordinates, centroid, x = 0, y = 0, z = 0, i = -1, n = coordinates.length;
+        while (++i < n) {
+          centroid = polygonCentroid(coordinates[i]);
+          x += centroid[0];
+          y += centroid[1];
+          z += centroid[2];
+        }
+        return [ x / z, y / z ];
+      }
+    });
+    path.projection = function(x) {
+      projection = x;
+      return path;
+    };
+    path.pointRadius = function(x) {
+      if (typeof x === "function") pointRadius = x; else {
+        pointRadius = +x;
+        pointCircle = d3_path_circle(pointRadius);
+      }
+      return path;
+    };
+    return path;
+  };
+  d3.geo.bounds = function(feature) {
+    var left = Infinity, bottom = Infinity, right = -Infinity, top = -Infinity;
+    d3_geo_bounds(feature, function(x, y) {
+      if (x < left) left = x;
+      if (x > right) right = x;
+      if (y < bottom) bottom = y;
+      if (y > top) top = y;
+    });
+    return [ [ left, bottom ], [ right, top ] ];
+  };
+  var d3_geo_boundsTypes = {
+    Feature: d3_geo_boundsFeature,
+    FeatureCollection: d3_geo_boundsFeatureCollection,
+    GeometryCollection: d3_geo_boundsGeometryCollection,
+    LineString: d3_geo_boundsLineString,
+    MultiLineString: d3_geo_boundsMultiLineString,
+    MultiPoint: d3_geo_boundsLineString,
+    MultiPolygon: d3_geo_boundsMultiPolygon,
+    Point: d3_geo_boundsPoint,
+    Polygon: d3_geo_boundsPolygon
+  };
+  d3.geo.circle = function() {
+    function circle() {}
+    function visible(point) {
+      return arc.distance(point) < radians;
+    }
+    function clip(coordinates) {
+      var i = -1, n = coordinates.length, clipped = [], p0, p1, p2, d0, d1;
+      while (++i < n) {
+        d1 = arc.distance(p2 = coordinates[i]);
+        if (d1 < radians) {
+          if (p1) clipped.push(d3_geo_greatArcInterpolate(p1, p2)((d0 - radians) / (d0 - d1)));
+          clipped.push(p2);
+          p0 = p1 = null;
+        } else {
+          p1 = p2;
+          if (!p0 && clipped.length) {
+            clipped.push(d3_geo_greatArcInterpolate(clipped[clipped.length - 1], p1)((radians - d0) / (d1 - d0)));
+            p0 = p1;
+          }
+        }
+        d0 = d1;
+      }
+      p0 = coordinates[0];
+      p1 = clipped[0];
+      if (p1 && p2[0] === p0[0] && p2[1] === p0[1] && !(p2[0] === p1[0] && p2[1] === p1[1])) {
+        clipped.push(p1);
+      }
+      return resample(clipped);
+    }
+    function resample(coordinates) {
+      var i = 0, n = coordinates.length, j, m, resampled = n ? [ coordinates[0] ] : coordinates, resamples, origin = arc.source();
+      while (++i < n) {
+        resamples = arc.source(coordinates[i - 1])(coordinates[i]).coordinates;
+        for (j = 0, m = resamples.length; ++j < m; ) resampled.push(resamples[j]);
+      }
+      arc.source(origin);
+      return resampled;
+    }
+    var origin = [ 0, 0 ], degrees = 90 - .01, radians = degrees * d3_geo_radians, arc = d3.geo.greatArc().source(origin).target(d3_identity);
+    circle.clip = function(d) {
+      if (typeof origin === "function") arc.source(origin.apply(this, arguments));
+      return clipType(d) || null;
+    };
+    var clipType = d3_geo_type({
+      FeatureCollection: function(o) {
+        var features = o.features.map(clipType).filter(d3_identity);
+        return features && (o = Object.create(o), o.features = features, o);
+      },
+      Feature: function(o) {
+        var geometry = clipType(o.geometry);
+        return geometry && (o = Object.create(o), o.geometry = geometry, o);
+      },
+      Point: function(o) {
+        return visible(o.coordinates) && o;
+      },
+      MultiPoint: function(o) {
+        var coordinates = o.coordinates.filter(visible);
+        return coordinates.length && {
+          type: o.type,
+          coordinates: coordinates
+        };
+      },
+      LineString: function(o) {
+        var coordinates = clip(o.coordinates);
+        return coordinates.length && (o = Object.create(o), o.coordinates = coordinates, o);
+      },
+      MultiLineString: function(o) {
+        var coordinates = o.coordinates.map(clip).filter(function(d) {
+          return d.length;
+        });
+        return coordinates.length && (o = Object.create(o), o.coordinates = coordinates, o);
+      },
+      Polygon: function(o) {
+        var coordinates = o.coordinates.map(clip);
+        return coordinates[0].length && (o = Object.create(o), o.coordinates = coordinates, o);
+      },
+      MultiPolygon: function(o) {
+        var coordinates = o.coordinates.map(function(d) {
+          return d.map(clip);
+        }).filter(function(d) {
+          return d[0].length;
+        });
+        return coordinates.length && (o = Object.create(o), o.coordinates = coordinates, o);
+      },
+      GeometryCollection: function(o) {
+        var geometries = o.geometries.map(clipType).filter(d3_identity);
+        return geometries.length && (o = Object.create(o), o.geometries = geometries, o);
+      }
+    });
+    circle.origin = function(x) {
+      if (!arguments.length) return origin;
+      origin = x;
+      if (typeof origin !== "function") arc.source(origin);
+      return circle;
+    };
+    circle.angle = function(x) {
+      if (!arguments.length) return degrees;
+      radians = (degrees = +x) * d3_geo_radians;
+      return circle;
+    };
+    return d3.rebind(circle, arc, "precision");
+  };
+  d3.geo.greatArc = function() {
+    function greatArc() {
+      var d = greatArc.distance.apply(this, arguments), t = 0, dt = precision / d, coordinates = [ p0 ];
+      while ((t += dt) < 1) coordinates.push(interpolate(t));
+      coordinates.push(p1);
+      return {
+        type: "LineString",
+        coordinates: coordinates
+      };
+    }
+    var source = d3_geo_greatArcSource, p0, target = d3_geo_greatArcTarget, p1, precision = 6 * d3_geo_radians, interpolate = d3_geo_greatArcInterpolator();
+    greatArc.distance = function() {
+      if (typeof source === "function") interpolate.source(p0 = source.apply(this, arguments));
+      if (typeof target === "function") interpolate.target(p1 = target.apply(this, arguments));
+      return interpolate.distance();
+    };
+    greatArc.source = function(_) {
+      if (!arguments.length) return source;
+      source = _;
+      if (typeof source !== "function") interpolate.source(p0 = source);
+      return greatArc;
+    };
+    greatArc.target = function(_) {
+      if (!arguments.length) return target;
+      target = _;
+      if (typeof target !== "function") interpolate.target(p1 = target);
+      return greatArc;
+    };
+    greatArc.precision = function(_) {
+      if (!arguments.length) return precision / d3_geo_radians;
+      precision = _ * d3_geo_radians;
+      return greatArc;
+    };
+    return greatArc;
+  };
+  d3.geo.greatCircle = d3.geo.circle;
+  d3.geom = {};
+  d3.geom.contour = function(grid, start) {
+    var s = start || d3_geom_contourStart(grid), c = [], x = s[0], y = s[1], dx = 0, dy = 0, pdx = NaN, pdy = NaN, i = 0;
+    do {
+      i = 0;
+      if (grid(x - 1, y - 1)) i += 1;
+      if (grid(x, y - 1)) i += 2;
+      if (grid(x - 1, y)) i += 4;
+      if (grid(x, y)) i += 8;
+      if (i === 6) {
+        dx = pdy === -1 ? -1 : 1;
+        dy = 0;
+      } else if (i === 9) {
+        dx = 0;
+        dy = pdx === 1 ? -1 : 1;
+      } else {
+        dx = d3_geom_contourDx[i];
+        dy = d3_geom_contourDy[i];
+      }
+      if (dx != pdx && dy != pdy) {
+        c.push([ x, y ]);
+        pdx = dx;
+        pdy = dy;
+      }
+      x += dx;
+      y += dy;
+    } while (s[0] != x || s[1] != y);
+    return c;
+  };
+  var d3_geom_contourDx = [ 1, 0, 1, 1, -1, 0, -1, 1, 0, 0, 0, 0, -1, 0, -1, NaN ], d3_geom_contourDy = [ 0, -1, 0, 0, 0, -1, 0, 0, 1, -1, 1, 1, 0, -1, 0, NaN ];
+  d3.geom.hull = function(vertices) {
+    if (vertices.length < 3) return [];
+    var len = vertices.length, plen = len - 1, points = [], stack = [], i, j, h = 0, x1, y1, x2, y2, u, v, a, sp;
+    for (i = 1; i < len; ++i) {
+      if (vertices[i][1] < vertices[h][1]) {
+        h = i;
+      } else if (vertices[i][1] == vertices[h][1]) {
+        h = vertices[i][0] < vertices[h][0] ? i : h;
+      }
+    }
+    for (i = 0; i < len; ++i) {
+      if (i === h) continue;
+      y1 = vertices[i][1] - vertices[h][1];
+      x1 = vertices[i][0] - vertices[h][0];
+      points.push({
+        angle: Math.atan2(y1, x1),
+        index: i
+      });
+    }
+    points.sort(function(a, b) {
+      return a.angle - b.angle;
+    });
+    a = points[0].angle;
+    v = points[0].index;
+    u = 0;
+    for (i = 1; i < plen; ++i) {
+      j = points[i].index;
+      if (a == points[i].angle) {
+        x1 = vertices[v][0] - vertices[h][0];
+        y1 = vertices[v][1] - vertices[h][1];
+        x2 = vertices[j][0] - vertices[h][0];
+        y2 = vertices[j][1] - vertices[h][1];
+        if (x1 * x1 + y1 * y1 >= x2 * x2 + y2 * y2) {
+          points[i].index = -1;
+        } else {
+          points[u].index = -1;
+          a = points[i].angle;
+          u = i;
+          v = j;
+        }
+      } else {
+        a = points[i].angle;
+        u = i;
+        v = j;
+      }
+    }
+    stack.push(h);
+    for (i = 0, j = 0; i < 2; ++j) {
+      if (points[j].index !== -1) {
+        stack.push(points[j].index);
+        i++;
+      }
+    }
+    sp = stack.length;
+    for (; j < plen; ++j) {
+      if (points[j].index === -1) continue;
+      while (!d3_geom_hullCCW(stack[sp - 2], stack[sp - 1], points[j].index, vertices)) {
+        --sp;
+      }
+      stack[sp++] = points[j].index;
+    }
+    var poly = [];
+    for (i = 0; i < sp; ++i) {
+      poly.push(vertices[stack[i]]);
+    }
+    return poly;
+  };
+  d3.geom.polygon = function(coordinates) {
+    coordinates.area = function() {
+      var i = 0, n = coordinates.length, a = coordinates[n - 1][0] * coordinates[0][1], b = coordinates[n - 1][1] * coordinates[0][0];
+      while (++i < n) {
+        a += coordinates[i - 1][0] * coordinates[i][1];
+        b += coordinates[i - 1][1] * coordinates[i][0];
+      }
+      return (b - a) * .5;
+    };
+    coordinates.centroid = function(k) {
+      var i = -1, n = coordinates.length, x = 0, y = 0, a, b = coordinates[n - 1], c;
+      if (!arguments.length) k = -1 / (6 * coordinates.area());
+      while (++i < n) {
+        a = b;
+        b = coordinates[i];
+        c = a[0] * b[1] - b[0] * a[1];
+        x += (a[0] + b[0]) * c;
+        y += (a[1] + b[1]) * c;
+      }
+      return [ x * k, y * k ];
+    };
+    coordinates.clip = function(subject) {
+      var input, i = -1, n = coordinates.length, j, m, a = coordinates[n - 1], b, c, d;
+      while (++i < n) {
+        input = subject.slice();
+        subject.length = 0;
+        b = coordinates[i];
+        c = input[(m = input.length) - 1];
+        j = -1;
+        while (++j < m) {
+          d = input[j];
+          if (d3_geom_polygonInside(d, a, b)) {
+            if (!d3_geom_polygonInside(c, a, b)) {
+              subject.push(d3_geom_polygonIntersect(c, d, a, b));
+            }
+            subject.push(d);
+          } else if (d3_geom_polygonInside(c, a, b)) {
+            subject.push(d3_geom_polygonIntersect(c, d, a, b));
+          }
+          c = d;
+        }
+        a = b;
+      }
+      return subject;
+    };
+    return coordinates;
+  };
+  d3.geom.voronoi = function(vertices) {
+    var polygons = vertices.map(function() {
+      return [];
+    });
+    d3_voronoi_tessellate(vertices, function(e) {
+      var s1, s2, x1, x2, y1, y2;
+      if (e.a === 1 && e.b >= 0) {
+        s1 = e.ep.r;
+        s2 = e.ep.l;
+      } else {
+        s1 = e.ep.l;
+        s2 = e.ep.r;
+      }
+      if (e.a === 1) {
+        y1 = s1 ? s1.y : -1e6;
+        x1 = e.c - e.b * y1;
+        y2 = s2 ? s2.y : 1e6;
+        x2 = e.c - e.b * y2;
+      } else {
+        x1 = s1 ? s1.x : -1e6;
+        y1 = e.c - e.a * x1;
+        x2 = s2 ? s2.x : 1e6;
+        y2 = e.c - e.a * x2;
+      }
+      var v1 = [ x1, y1 ], v2 = [ x2, y2 ];
+      polygons[e.region.l.index].push(v1, v2);
+      polygons[e.region.r.index].push(v1, v2);
+    });
+    return polygons.map(function(polygon, i) {
+      var cx = vertices[i][0], cy = vertices[i][1];
+      polygon.forEach(function(v) {
+        v.angle = Math.atan2(v[0] - cx, v[1] - cy);
+      });
+      return polygon.sort(function(a, b) {
+        return a.angle - b.angle;
+      }).filter(function(d, i) {
+        return !i || d.angle - polygon[i - 1].angle > 1e-10;
+      });
+    });
+  };
+  var d3_voronoi_opposite = {
+    l: "r",
+    r: "l"
+  };
+  d3.geom.delaunay = function(vertices) {
+    var edges = vertices.map(function() {
+      return [];
+    }), triangles = [];
+    d3_voronoi_tessellate(vertices, function(e) {
+      edges[e.region.l.index].push(vertices[e.region.r.index]);
+    });
+    edges.forEach(function(edge, i) {
+      var v = vertices[i], cx = v[0], cy = v[1];
+      edge.forEach(function(v) {
+        v.angle = Math.atan2(v[0] - cx, v[1] - cy);
+      });
+      edge.sort(function(a, b) {
+        return a.angle - b.angle;
+      });
+      for (var j = 0, m = edge.length - 1; j < m; j++) {
+        triangles.push([ v, edge[j], edge[j + 1] ]);
+      }
+    });
+    return triangles;
+  };
+  d3.geom.quadtree = function(points, x1, y1, x2, y2) {
+    function insert(n, p, x1, y1, x2, y2) {
+      if (isNaN(p.x) || isNaN(p.y)) return;
+      if (n.leaf) {
+        var v = n.point;
+        if (v) {
+          if (Math.abs(v.x - p.x) + Math.abs(v.y - p.y) < .01) {
+            insertChild(n, p, x1, y1, x2, y2);
+          } else {
+            n.point = null;
+            insertChild(n, v, x1, y1, x2, y2);
+            insertChild(n, p, x1, y1, x2, y2);
+          }
+        } else {
+          n.point = p;
+        }
+      } else {
+        insertChild(n, p, x1, y1, x2, y2);
+      }
+    }
+    function insertChild(n, p, x1, y1, x2, y2) {
+      var sx = (x1 + x2) * .5, sy = (y1 + y2) * .5, right = p.x >= sx, bottom = p.y >= sy, i = (bottom << 1) + right;
+      n.leaf = false;
+      n = n.nodes[i] || (n.nodes[i] = d3_geom_quadtreeNode());
+      if (right) x1 = sx; else x2 = sx;
+      if (bottom) y1 = sy; else y2 = sy;
+      insert(n, p, x1, y1, x2, y2);
+    }
+    var p, i = -1, n = points.length;
+    if (n && isNaN(points[0].x)) points = points.map(d3_geom_quadtreePoint);
+    if (arguments.length < 5) {
+      if (arguments.length === 3) {
+        y2 = x2 = y1;
+        y1 = x1;
+      } else {
+        x1 = y1 = Infinity;
+        x2 = y2 = -Infinity;
+        while (++i < n) {
+          p = points[i];
+          if (p.x < x1) x1 = p.x;
+          if (p.y < y1) y1 = p.y;
+          if (p.x > x2) x2 = p.x;
+          if (p.y > y2) y2 = p.y;
+        }
+        var dx = x2 - x1, dy = y2 - y1;
+        if (dx > dy) y2 = y1 + dx; else x2 = x1 + dy;
+      }
+    }
+    var root = d3_geom_quadtreeNode();
+    root.add = function(p) {
+      insert(root, p, x1, y1, x2, y2);
+    };
+    root.visit = function(f) {
+      d3_geom_quadtreeVisit(f, root, x1, y1, x2, y2);
+    };
+    points.forEach(root.add);
+    return root;
+  };
+  d3.time = {};
+  var d3_time = Date, d3_time_daySymbols = [ "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" ];
+  d3_time_utc.prototype = {
+    getDate: function() {
+      return this._.getUTCDate();
+    },
+    getDay: function() {
+      return this._.getUTCDay();
+    },
+    getFullYear: function() {
+      return this._.getUTCFullYear();
+    },
+    getHours: function() {
+      return this._.getUTCHours();
+    },
+    getMilliseconds: function() {
+      return this._.getUTCMilliseconds();
+    },
+    getMinutes: function() {
+      return this._.getUTCMinutes();
+    },
+    getMonth: function() {
+      return this._.getUTCMonth();
+    },
+    getSeconds: function() {
+      return this._.getUTCSeconds();
+    },
+    getTime: function() {
+      return this._.getTime();
+    },
+    getTimezoneOffset: function() {
+      return 0;
+    },
+    valueOf: function() {
+      return this._.valueOf();
+    },
+    setDate: function() {
+      d3_time_prototype.setUTCDate.apply(this._, arguments);
+    },
+    setDay: function() {
+      d3_time_prototype.setUTCDay.apply(this._, arguments);
+    },
+    setFullYear: function() {
+      d3_time_prototype.setUTCFullYear.apply(this._, arguments);
+    },
+    setHours: function() {
+      d3_time_prototype.setUTCHours.apply(this._, arguments);
+    },
+    setMilliseconds: function() {
+      d3_time_prototype.setUTCMilliseconds.apply(this._, arguments);
+    },
+    setMinutes: function() {
+      d3_time_prototype.setUTCMinutes.apply(this._, arguments);
+    },
+    setMonth: function() {
+      d3_time_prototype.setUTCMonth.apply(this._, arguments);
+    },
+    setSeconds: function() {
+      d3_time_prototype.setUTCSeconds.apply(this._, arguments);
+    },
+    setTime: function() {
+      d3_time_prototype.setTime.apply(this._, arguments);
+    }
+  };
+  var d3_time_prototype = Date.prototype;
+  var d3_time_formatDateTime = "%a %b %e %H:%M:%S %Y", d3_time_formatDate = "%m/%d/%y", d3_time_formatTime = "%H:%M:%S";
+  var d3_time_days = d3_time_daySymbols, d3_time_dayAbbreviations = d3_time_days.map(d3_time_formatAbbreviate), d3_time_months = [ "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" ], d3_time_monthAbbreviations = d3_time_months.map(d3_time_formatAbbreviate);
+  d3.time.format = function(template) {
+    function format(date) {
+      var string = [], i = -1, j = 0, c, f;
+      while (++i < n) {
+        if (template.charCodeAt(i) == 37) {
+          string.push(template.substring(j, i), (f = d3_time_formats[c = template.charAt(++i)]) ? f(date) : c);
+          j = i + 1;
+        }
+      }
+      string.push(template.substring(j, i));
+      return string.join("");
+    }
+    var n = template.length;
+    format.parse = function(string) {
+      var d = {
+        y: 1900,
+        m: 0,
+        d: 1,
+        H: 0,
+        M: 0,
+        S: 0,
+        L: 0
+      }, i = d3_time_parse(d, template, string, 0);
+      if (i != string.length) return null;
+      if ("p" in d) d.H = d.H % 12 + d.p * 12;
+      var date = new d3_time;
+      date.setFullYear(d.y, d.m, d.d);
+      date.setHours(d.H, d.M, d.S, d.L);
+      return date;
+    };
+    format.toString = function() {
+      return template;
+    };
+    return format;
+  };
+  var d3_time_zfill2 = d3.format("02d"), d3_time_zfill3 = d3.format("03d"), d3_time_zfill4 = d3.format("04d"), d3_time_sfill2 = d3.format("2d");
+  var d3_time_dayRe = d3_time_formatRe(d3_time_days), d3_time_dayAbbrevRe = d3_time_formatRe(d3_time_dayAbbreviations), d3_time_monthRe = d3_time_formatRe(d3_time_months), d3_time_monthLookup = d3_time_formatLookup(d3_time_months), d3_time_monthAbbrevRe = d3_time_formatRe(d3_time_monthAbbreviations), d3_time_monthAbbrevLookup = d3_time_formatLookup(d3_time_monthAbbreviations);
+  var d3_time_formats = {
+    a: function(d) {
+      return d3_time_dayAbbreviations[d.getDay()];
+    },
+    A: function(d) {
+      return d3_time_days[d.getDay()];
+    },
+    b: function(d) {
+      return d3_time_monthAbbreviations[d.getMonth()];
+    },
+    B: function(d) {
+      return d3_time_months[d.getMonth()];
+    },
+    c: d3.time.format(d3_time_formatDateTime),
+    d: function(d) {
+      return d3_time_zfill2(d.getDate());
+    },
+    e: function(d) {
+      return d3_time_sfill2(d.getDate());
+    },
+    H: function(d) {
+      return d3_time_zfill2(d.getHours());
+    },
+    I: function(d) {
+      return d3_time_zfill2(d.getHours() % 12 || 12);
+    },
+    j: function(d) {
+      return d3_time_zfill3(1 + d3.time.dayOfYear(d));
+    },
+    L: function(d) {
+      return d3_time_zfill3(d.getMilliseconds());
+    },
+    m: function(d) {
+      return d3_time_zfill2(d.getMonth() + 1);
+    },
+    M: function(d) {
+      return d3_time_zfill2(d.getMinutes());
+    },
+    p: function(d) {
+      return d.getHours() >= 12 ? "PM" : "AM";
+    },
+    S: function(d) {
+      return d3_time_zfill2(d.getSeconds());
+    },
+    U: function(d) {
+      return d3_time_zfill2(d3.time.sundayOfYear(d));
+    },
+    w: function(d) {
+      return d.getDay();
+    },
+    W: function(d) {
+      return d3_time_zfill2(d3.time.mondayOfYear(d));
+    },
+    x: d3.time.format(d3_time_formatDate),
+    X: d3.time.format(d3_time_formatTime),
+    y: function(d) {
+      return d3_time_zfill2(d.getFullYear() % 100);
+    },
+    Y: function(d) {
+      return d3_time_zfill4(d.getFullYear() % 1e4);
+    },
+    Z: d3_time_zone,
+    "%": function(d) {
+      return "%";
+    }
+  };
+  var d3_time_parsers = {
+    a: d3_time_parseWeekdayAbbrev,
+    A: d3_time_parseWeekday,
+    b: d3_time_parseMonthAbbrev,
+    B: d3_time_parseMonth,
+    c: d3_time_parseLocaleFull,
+    d: d3_time_parseDay,
+    e: d3_time_parseDay,
+    H: d3_time_parseHour24,
+    I: d3_time_parseHour24,
+    L: d3_time_parseMilliseconds,
+    m: d3_time_parseMonthNumber,
+    M: d3_time_parseMinutes,
+    p: d3_time_parseAmPm,
+    S: d3_time_parseSeconds,
+    x: d3_time_parseLocaleDate,
+    X: d3_time_parseLocaleTime,
+    y: d3_time_parseYear,
+    Y: d3_time_parseFullYear
+  };
+  var d3_time_numberRe = /^\s*\d+/;
+  var d3_time_amPmLookup = d3.map({
+    am: 0,
+    pm: 1
+  });
+  d3.time.format.utc = function(template) {
+    function format(date) {
+      try {
+        d3_time = d3_time_utc;
+        var utc = new d3_time;
+        utc._ = date;
+        return local(utc);
+      } finally {
+        d3_time = Date;
+      }
+    }
+    var local = d3.time.format(template);
+    format.parse = function(string) {
+      try {
+        d3_time = d3_time_utc;
+        var date = local.parse(string);
+        return date && date._;
+      } finally {
+        d3_time = Date;
+      }
+    };
+    format.toString = local.toString;
+    return format;
+  };
+  var d3_time_formatIso = d3.time.format.utc("%Y-%m-%dT%H:%M:%S.%LZ");
+  d3.time.format.iso = Date.prototype.toISOString ? d3_time_formatIsoNative : d3_time_formatIso;
+  d3_time_formatIsoNative.parse = function(string) {
+    var date = new Date(string);
+    return isNaN(date) ? null : date;
+  };
+  d3_time_formatIsoNative.toString = d3_time_formatIso.toString;
+  d3.time.second = d3_time_interval(function(date) {
+    return new d3_time(Math.floor(date / 1e3) * 1e3);
+  }, function(date, offset) {
+    date.setTime(date.getTime() + Math.floor(offset) * 1e3);
+  }, function(date) {
+    return date.getSeconds();
+  });
+  d3.time.seconds = d3.time.second.range;
+  d3.time.seconds.utc = d3.time.second.utc.range;
+  d3.time.minute = d3_time_interval(function(date) {
+    return new d3_time(Math.floor(date / 6e4) * 6e4);
+  }, function(date, offset) {
+    date.setTime(date.getTime() + Math.floor(offset) * 6e4);
+  }, function(date) {
+    return date.getMinutes();
+  });
+  d3.time.minutes = d3.time.minute.range;
+  d3.time.minutes.utc = d3.time.minute.utc.range;
+  d3.time.hour = d3_time_interval(function(date) {
+    var timezone = date.getTimezoneOffset() / 60;
+    return new d3_time((Math.floor(date / 36e5 - timezone) + timezone) * 36e5);
+  }, function(date, offset) {
+    date.setTime(date.getTime() + Math.floor(offset) * 36e5);
+  }, function(date) {
+    return date.getHours();
+  });
+  d3.time.hours = d3.time.hour.range;
+  d3.time.hours.utc = d3.time.hour.utc.range;
+  d3.time.day = d3_time_interval(function(date) {
+    var day = new d3_time(1970, 0);
+    day.setFullYear(date.getFullYear(), date.getMonth(), date.getDate());
+    return day;
+  }, function(date, offset) {
+    date.setDate(date.getDate() + offset);
+  }, function(date) {
+    return date.getDate() - 1;
+  });
+  d3.time.days = d3.time.day.range;
+  d3.time.days.utc = d3.time.day.utc.range;
+  d3.time.dayOfYear = function(date) {
+    var year = d3.time.year(date);
+    return Math.floor((date - year - (date.getTimezoneOffset() - year.getTimezoneOffset()) * 6e4) / 864e5);
+  };
+  d3_time_daySymbols.forEach(function(day, i) {
+    day = day.toLowerCase();
+    i = 7 - i;
+    var interval = d3.time[day] = d3_time_interval(function(date) {
+      (date = d3.time.day(date)).setDate(date.getDate() - (date.getDay() + i) % 7);
+      return date;
+    }, function(date, offset) {
+      date.setDate(date.getDate() + Math.floor(offset) * 7);
+    }, function(date) {
+      var day = d3.time.year(date).getDay();
+      return Math.floor((d3.time.dayOfYear(date) + (day + i) % 7) / 7) - (day !== i);
+    });
+    d3.time[day + "s"] = interval.range;
+    d3.time[day + "s"].utc = interval.utc.range;
+    d3.time[day + "OfYear"] = function(date) {
+      var day = d3.time.year(date).getDay();
+      return Math.floor((d3.time.dayOfYear(date) + (day + i) % 7) / 7);
+    };
+  });
+  d3.time.week = d3.time.sunday;
+  d3.time.weeks = d3.time.sunday.range;
+  d3.time.weeks.utc = d3.time.sunday.utc.range;
+  d3.time.weekOfYear = d3.time.sundayOfYear;
+  d3.time.month = d3_time_interval(function(date) {
+    date = d3.time.day(date);
+    date.setDate(1);
+    return date;
+  }, function(date, offset) {
+    date.setMonth(date.getMonth() + offset);
+  }, function(date) {
+    return date.getMonth();
+  });
+  d3.time.months = d3.time.month.range;
+  d3.time.months.utc = d3.time.month.utc.range;
+  d3.time.year = d3_time_interval(function(date) {
+    date = d3.time.day(date);
+    date.setMonth(0, 1);
+    return date;
+  }, function(date, offset) {
+    date.setFullYear(date.getFullYear() + offset);
+  }, function(date) {
+    return date.getFullYear();
+  });
+  d3.time.years = d3.time.year.range;
+  d3.time.years.utc = d3.time.year.utc.range;
+  var d3_time_scaleSteps = [ 1e3, 5e3, 15e3, 3e4, 6e4, 3e5, 9e5, 18e5, 36e5, 108e5, 216e5, 432e5, 864e5, 1728e5, 6048e5, 2592e6, 7776e6, 31536e6 ];
+  var d3_time_scaleLocalMethods = [ [ d3.time.second, 1 ], [ d3.time.second, 5 ], [ d3.time.second, 15 ], [ d3.time.second, 30 ], [ d3.time.minute, 1 ], [ d3.time.minute, 5 ], [ d3.time.minute, 15 ], [ d3.time.minute, 30 ], [ d3.time.hour, 1 ], [ d3.time.hour, 3 ], [ d3.time.hour, 6 ], [ d3.time.hour, 12 ], [ d3.time.day, 1 ], [ d3.time.day, 2 ], [ d3.time.week, 1 ], [ d3.time.month, 1 ], [ d3.time.month, 3 ], [ d3.time.year, 1 ] ];
+  var d3_time_scaleLocalFormats = [ [ d3.time.format("%Y"), function(d) {
+    return true;
+  } ], [ d3.time.format("%B"), function(d) {
+    return d.getMonth();
+  } ], [ d3.time.format("%b %d"), function(d) {
+    return d.getDate() != 1;
+  } ], [ d3.time.format("%a %d"), function(d) {
+    return d.getDay() && d.getDate() != 1;
+  } ], [ d3.time.format("%I %p"), function(d) {
+    return d.getHours();
+  } ], [ d3.time.format("%I:%M"), function(d) {
+    return d.getMinutes();
+  } ], [ d3.time.format(":%S"), function(d) {
+    return d.getSeconds();
+  } ], [ d3.time.format(".%L"), function(d) {
+    return d.getMilliseconds();
+  } ] ];
+  var d3_time_scaleLinear = d3.scale.linear(), d3_time_scaleLocalFormat = d3_time_scaleFormat(d3_time_scaleLocalFormats);
+  d3_time_scaleLocalMethods.year = function(extent, m) {
+    return d3_time_scaleLinear.domain(extent.map(d3_time_scaleGetYear)).ticks(m).map(d3_time_scaleSetYear);
+  };
+  d3.time.scale = function() {
+    return d3_time_scale(d3.scale.linear(), d3_time_scaleLocalMethods, d3_time_scaleLocalFormat);
+  };
+  var d3_time_scaleUTCMethods = d3_time_scaleLocalMethods.map(function(m) {
+    return [ m[0].utc, m[1] ];
+  });
+  var d3_time_scaleUTCFormats = [ [ d3.time.format.utc("%Y"), function(d) {
+    return true;
+  } ], [ d3.time.format.utc("%B"), function(d) {
+    return d.getUTCMonth();
+  } ], [ d3.time.format.utc("%b %d"), function(d) {
+    return d.getUTCDate() != 1;
+  } ], [ d3.time.format.utc("%a %d"), function(d) {
+    return d.getUTCDay() && d.getUTCDate() != 1;
+  } ], [ d3.time.format.utc("%I %p"), function(d) {
+    return d.getUTCHours();
+  } ], [ d3.time.format.utc("%I:%M"), function(d) {
+    return d.getUTCMinutes();
+  } ], [ d3.time.format.utc(":%S"), function(d) {
+    return d.getUTCSeconds();
+  } ], [ d3.time.format.utc(".%L"), function(d) {
+    return d.getUTCMilliseconds();
+  } ] ];
+  var d3_time_scaleUTCFormat = d3_time_scaleFormat(d3_time_scaleUTCFormats);
+  d3_time_scaleUTCMethods.year = function(extent, m) {
+    return d3_time_scaleLinear.domain(extent.map(d3_time_scaleUTCGetYear)).ticks(m).map(d3_time_scaleUTCSetYear);
+  };
+  d3.time.scale.utc = function() {
+    return d3_time_scale(d3.scale.linear(), d3_time_scaleUTCMethods, d3_time_scaleUTCFormat);
+  };
+})();
\ No newline at end of file
diff --git a/wqflask/wqflask/static/packages/novus-nvd3-d51729c/lib/d3.v2.min.js b/wqflask/wqflask/static/packages/novus-nvd3-d51729c/lib/d3.v2.min.js
new file mode 100755
index 00000000..cc47f1ea
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ho={l:"r",r:"l"};d3.geom.delaunay=function(e){var t=e.map(function(){return[]}),n=[];return oi(e,function(n){t[n.region.l.index].push(e[n.region.r.index])}),t.forEach(function(t,r){var i=e[r],s=i[0],o=i[1];t.forEach(function(e){e.angle=Math.atan2(e[0]-s,e[1]-o)}),t.sort(function(e,t){return e.angle-t.angle});for(var u=0,a=t.length-1;u<a;u++)n.push([i,t[u],t[u+1]])}),n},d3.geom.quadtree=function(e,t,n,r,i){function s(e,t,n,r,i,s){if(isNaN(t.x)||isNaN(t.y))return;if(e.leaf){var u=e.point;u?Math.abs(u.x-t.x)+Math.abs(u.y-t.y)<.01?o(e,t,n,r,i,s):(e.point=null,o(e,u,n,r,i,s),o(e,t,n,r,i,s)):e.point=t}else o(e,t,n,r,i,s)}function o(e,t,n,r,i,o){var u=(n+i)*.5,a=(r+o)*.5,f=t.x>=u,l=t.y>=a,c=(l<<1)+f;e.leaf=!1,e=e.nodes[c]||(e.nodes[c]=ui()),f?n=u:i=u,l?r=a:o=a,s(e,t,n,r,i,o)}var u,a=-1,f=e.length;f&&isNaN(e[0].x)&&(e=e.map(fi));if(arguments.length<5)if(arguments.length===3)i=r=n,n=t;else{t=n=Infinity,r=i=-Infinity;while(++a<f)u=e[a],u.x<t&&(t=u.x),u.y<n&&(n=u.y),u.x>r&&(r=u.x),u.y>i&&(i=u.y);var l=r-t,c=i-n;l>c?i=n+l:r=t+c}var h=ui();return h.add=function(e){s(h,e,t,n,r,i)},h.visit=function(e){ai(e,h,t,n,r,i)},e.forEach(h.add),h},d3.time={};var po=Date,vo=["Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"];li.prototype={getDate:function(){return this._.getUTCDate()},getDay:function(){return this._.getUTCDay()},getFullYear:function(){return this._.getUTCFullYear()},getHours:function(){return this._.getUTCHours()},getMilliseconds:function(){return this._.getUTCMilliseconds()},getMinutes:function(){return this._.getUTCMinutes()},getMonth:function(){return this._.getUTCMonth()},getSeconds:function(){return this._.getUTCSeconds()},getTime:function(){return this._.getTime()},getTimezoneOffset:function(){return 0},valueOf:function(){return this._.valueOf()},setDate:function(){mo.setUTCDate.apply(this._,arguments)},setDay:function(){mo.setUTCDay.apply(this._,arguments)},setFullYear:function(){mo.setUTCFullYear.apply(this._,arguments)},setHours:function(){mo.setUTCHours.apply(this._,arguments)},setMilliseconds:function(){mo.setUTCMilliseconds.apply(this._,arguments)},setMinutes:function(){mo.setUTCMinutes.apply(this._,arguments)},setMonth:function(){mo.setUTCMonth.apply(this._,arguments)},setSeconds:function(){mo.setUTCSeconds.apply(this._,arguments)},setTime:function(){mo.setTime.apply(this._,arguments)}};var mo=Date.prototype,go="%a %b %e %H:%M:%S %Y",yo="%m/%d/%y",bo="%H:%M:%S",wo=vo,Eo=wo.map(ci),So=["January","February","March","April","May","June","July","August","September","October","November","December"],xo=So.map(ci);d3.time.format=function(e){function t(t){var r=[],i=-1,s=0,o,u;while(++i<n)e.charCodeAt(i)==37&&(r.push(e.substring(s,i),(u=Po[o=e.charAt(++i)])?u(t):o),s=i+1);return r.push(e.substring(s,i)),r.join("")}var n=e.length;return t.parse=function(t){var n={y:1900,m:0,d:1,H:0,M:0,S:0,L:0},r=hi(n,e,t,0);if(r!=t.length)return null;"p"in n&&(n.H=n.H%12+n.p*12);var i=new po;return i.setFullYear(n.y,n.m,n.d),i.setHours(n.H,n.M,n.S,n.L),i},t.toString=function(){return e},t};var To=d3.format("02d"),No=d3.format("03d"),Co=d3.format("04d"),ko=d3.format("2d"),Lo=pi(wo),Ao=pi(Eo),Oo=pi(So),Mo=di(So),_o=pi(xo),Do=di(xo),Po={a:function(e){return Eo[e.getDay()]},A:function(e){return wo[e.getDay()]},b:function(e){return xo[e.getMonth()]},B:function(e){return So[e.getMonth()]},c:d3.time.format(go),d:function(e){return To(e.getDate())},e:function(e){return ko(e.getDate())},H:function(e){return To(e.getHours())},I:function(e){return To(e.getHours()%12||12)},j:function(e){return No(1+d3.time.dayOfYear(e))},L:function(e){return No(e.getMilliseconds())},m:function(e){return To(e.getMonth()+1)},M:function(e){return To(e.getMinutes())},p:function(e){return e.getHours()>=12?"PM":"AM"},S:function(e){return To(e.getSeconds())},U:function(e){return To(d3.time.sundayOfYear(e))},w:function(e){return e.getDay()},W:function(e){return To(d3.time.mondayOfYear(e))},x:d3.time.format(yo),X:d3.time.format(bo),y:function(e){return To(e.getFullYear()%100)},Y:function(e){return Co(e.getFullYear()%1e4)},Z:_i,"%":function(e){return"%"}},Ho={a:vi,A:mi,b:gi,B:yi,c:bi,d:Ci,e:Ci,H:ki,I:ki,L:Oi,m:Ni,M:Li,p:Mi,S:Ai,x:wi,X:Ei,y:xi,Y:Si},Bo=/^\s*\d+/,jo=d3.map({am:0,pm:1});d3.time.format.utc=function(e){function t(e){try{po=li;var t=new po;return t._=e,n(t)}finally{po=Date}}var n=d3.time.format(e);return t.parse=function(e){try{po=li;var t=n.parse(e);return t&&t._}finally{po=Date}},t.toString=n.toString,t};var Fo=d3.time.format.utc("%Y-%m-%dT%H:%M:%S.%LZ");d3.time.format.iso=Date.prototype.toISOString?Di:Fo,Di.parse=function(e){var t=new Date(e);return isNaN(t)?null:t},Di.toString=Fo.toString,d3.time.second=Pi(function(e){return new 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e.getDay()&&e.getDate()!=1}],[d3.time.format("%I %p"),function(e){return e.getHours()}],[d3.time.format("%I:%M"),function(e){return e.getMinutes()}],[d3.time.format(":%S"),function(e){return e.getSeconds()}],[d3.time.format(".%L"),function(e){return e.getMilliseconds()}]],Uo=d3.scale.linear(),zo=Ii(Ro);qo.year=function(e,t){return Uo.domain(e.map(Ri)).ticks(t).map(qi)},d3.time.scale=function(){return Bi(d3.scale.linear(),qo,zo)};var Wo=qo.map(function(e){return[e[0].utc,e[1]]}),Xo=[[d3.time.format.utc("%Y"),function(e){return!0}],[d3.time.format.utc("%B"),function(e){return e.getUTCMonth()}],[d3.time.format.utc("%b %d"),function(e){return e.getUTCDate()!=1}],[d3.time.format.utc("%a %d"),function(e){return e.getUTCDay()&&e.getUTCDate()!=1}],[d3.time.format.utc("%I %p"),function(e){return e.getUTCHours()}],[d3.time.format.utc("%I:%M"),function(e){return e.getUTCMinutes()}],[d3.time.format.utc(":%S"),function(e){return e.getUTCSeconds()}],[d3.time.format.utc(".%L"),function(e){return e.getUTCMilliseconds()}]],Vo=Ii(Xo);Wo.year=function(e,t){return Uo.domain(e.map(zi)).ticks(t).map(Ui)},d3.time.scale.utc=function(){return Bi(d3.scale.linear(),Wo,Vo)}})();
\ No newline at end of file
diff --git a/wqflask/wqflask/static/packages/novus-nvd3-d51729c/lib/d3.v3.js b/wqflask/wqflask/static/packages/novus-nvd3-d51729c/lib/d3.v3.js
new file mode 100755
index 00000000..8dd7ffe7
--- /dev/null
+++ b/wqflask/wqflask/static/packages/novus-nvd3-d51729c/lib/d3.v3.js
@@ -0,0 +1,8436 @@
+d3 = function() {
+  var d3 = {
+    version: "3.1.5"
+  };
+  if (!Date.now) Date.now = function() {
+    return +new Date();
+  };
+  var d3_document = document, d3_window = window;
+  try {
+    d3_document.createElement("div").style.setProperty("opacity", 0, "");
+  } catch (error) {
+    var d3_style_prototype = d3_window.CSSStyleDeclaration.prototype, d3_style_setProperty = d3_style_prototype.setProperty;
+    d3_style_prototype.setProperty = function(name, value, priority) {
+      d3_style_setProperty.call(this, name, value + "", priority);
+    };
+  }
+  d3.ascending = function(a, b) {
+    return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN;
+  };
+  d3.descending = function(a, b) {
+    return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN;
+  };
+  d3.min = function(array, f) {
+    var i = -1, n = array.length, a, b;
+    if (arguments.length === 1) {
+      while (++i < n && ((a = array[i]) == null || a != a)) a = undefined;
+      while (++i < n) if ((b = array[i]) != null && a > b) a = b;
+    } else {
+      while (++i < n && ((a = f.call(array, array[i], i)) == null || a != a)) a = undefined;
+      while (++i < n) if ((b = f.call(array, array[i], i)) != null && a > b) a = b;
+    }
+    return a;
+  };
+  d3.max = function(array, f) {
+    var i = -1, n = array.length, a, b;
+    if (arguments.length === 1) {
+      while (++i < n && ((a = array[i]) == null || a != a)) a = undefined;
+      while (++i < n) if ((b = array[i]) != null && b > a) a = b;
+    } else {
+      while (++i < n && ((a = f.call(array, array[i], i)) == null || a != a)) a = undefined;
+      while (++i < n) if ((b = f.call(array, array[i], i)) != null && b > a) a = b;
+    }
+    return a;
+  };
+  d3.extent = function(array, f) {
+    var i = -1, n = array.length, a, b, c;
+    if (arguments.length === 1) {
+      while (++i < n && ((a = c = array[i]) == null || a != a)) a = c = undefined;
+      while (++i < n) if ((b = array[i]) != null) {
+        if (a > b) a = b;
+        if (c < b) c = b;
+      }
+    } else {
+      while (++i < n && ((a = c = f.call(array, array[i], i)) == null || a != a)) a = undefined;
+      while (++i < n) if ((b = f.call(array, array[i], i)) != null) {
+        if (a > b) a = b;
+        if (c < b) c = b;
+      }
+    }
+    return [ a, c ];
+  };
+  d3.sum = function(array, f) {
+    var s = 0, n = array.length, a, i = -1;
+    if (arguments.length === 1) {
+      while (++i < n) if (!isNaN(a = +array[i])) s += a;
+    } else {
+      while (++i < n) if (!isNaN(a = +f.call(array, array[i], i))) s += a;
+    }
+    return s;
+  };
+  function d3_number(x) {
+    return x != null && !isNaN(x);
+  }
+  d3.mean = function(array, f) {
+    var n = array.length, a, m = 0, i = -1, j = 0;
+    if (arguments.length === 1) {
+      while (++i < n) if (d3_number(a = array[i])) m += (a - m) / ++j;
+    } else {
+      while (++i < n) if (d3_number(a = f.call(array, array[i], i))) m += (a - m) / ++j;
+    }
+    return j ? m : undefined;
+  };
+  d3.quantile = function(values, p) {
+    var H = (values.length - 1) * p + 1, h = Math.floor(H), v = +values[h - 1], e = H - h;
+    return e ? v + e * (values[h] - v) : v;
+  };
+  d3.median = function(array, f) {
+    if (arguments.length > 1) array = array.map(f);
+    array = array.filter(d3_number);
+    return array.length ? d3.quantile(array.sort(d3.ascending), .5) : undefined;
+  };
+  d3.bisector = function(f) {
+    return {
+      left: function(a, x, lo, hi) {
+        if (arguments.length < 3) lo = 0;
+        if (arguments.length < 4) hi = a.length;
+        while (lo < hi) {
+          var mid = lo + hi >>> 1;
+          if (f.call(a, a[mid], mid) < x) lo = mid + 1; else hi = mid;
+        }
+        return lo;
+      },
+      right: function(a, x, lo, hi) {
+        if (arguments.length < 3) lo = 0;
+        if (arguments.length < 4) hi = a.length;
+        while (lo < hi) {
+          var mid = lo + hi >>> 1;
+          if (x < f.call(a, a[mid], mid)) hi = mid; else lo = mid + 1;
+        }
+        return lo;
+      }
+    };
+  };
+  var d3_bisector = d3.bisector(function(d) {
+    return d;
+  });
+  d3.bisectLeft = d3_bisector.left;
+  d3.bisect = d3.bisectRight = d3_bisector.right;
+  d3.shuffle = function(array) {
+    var m = array.length, t, i;
+    while (m) {
+      i = Math.random() * m-- | 0;
+      t = array[m], array[m] = array[i], array[i] = t;
+    }
+    return array;
+  };
+  d3.permute = function(array, indexes) {
+    var permutes = [], i = -1, n = indexes.length;
+    while (++i < n) permutes[i] = array[indexes[i]];
+    return permutes;
+  };
+  d3.zip = function() {
+    if (!(n = arguments.length)) return [];
+    for (var i = -1, m = d3.min(arguments, d3_zipLength), zips = new Array(m); ++i < m; ) {
+      for (var j = -1, n, zip = zips[i] = new Array(n); ++j < n; ) {
+        zip[j] = arguments[j][i];
+      }
+    }
+    return zips;
+  };
+  function d3_zipLength(d) {
+    return d.length;
+  }
+  d3.transpose = function(matrix) {
+    return d3.zip.apply(d3, matrix);
+  };
+  d3.keys = function(map) {
+    var keys = [];
+    for (var key in map) keys.push(key);
+    return keys;
+  };
+  d3.values = function(map) {
+    var values = [];
+    for (var key in map) values.push(map[key]);
+    return values;
+  };
+  d3.entries = function(map) {
+    var entries = [];
+    for (var key in map) entries.push({
+      key: key,
+      value: map[key]
+    });
+    return entries;
+  };
+  d3.merge = function(arrays) {
+    return Array.prototype.concat.apply([], arrays);
+  };
+  d3.range = function(start, stop, step) {
+    if (arguments.length < 3) {
+      step = 1;
+      if (arguments.length < 2) {
+        stop = start;
+        start = 0;
+      }
+    }
+    if ((stop - start) / step === Infinity) throw new Error("infinite range");
+    var range = [], k = d3_range_integerScale(Math.abs(step)), i = -1, j;
+    start *= k, stop *= k, step *= k;
+    if (step < 0) while ((j = start + step * ++i) > stop) range.push(j / k); else while ((j = start + step * ++i) < stop) range.push(j / k);
+    return range;
+  };
+  function d3_range_integerScale(x) {
+    var k = 1;
+    while (x * k % 1) k *= 10;
+    return k;
+  }
+  function d3_class(ctor, properties) {
+    try {
+      for (var key in properties) {
+        Object.defineProperty(ctor.prototype, key, {
+          value: properties[key],
+          enumerable: false
+        });
+      }
+    } catch (e) {
+      ctor.prototype = properties;
+    }
+  }
+  d3.map = function(object) {
+    var map = new d3_Map();
+    for (var key in object) map.set(key, object[key]);
+    return map;
+  };
+  function d3_Map() {}
+  d3_class(d3_Map, {
+    has: function(key) {
+      return d3_map_prefix + key in this;
+    },
+    get: function(key) {
+      return this[d3_map_prefix + key];
+    },
+    set: function(key, value) {
+      return this[d3_map_prefix + key] = value;
+    },
+    remove: function(key) {
+      key = d3_map_prefix + key;
+      return key in this && delete this[key];
+    },
+    keys: function() {
+      var keys = [];
+      this.forEach(function(key) {
+        keys.push(key);
+      });
+      return keys;
+    },
+    values: function() {
+      var values = [];
+      this.forEach(function(key, value) {
+        values.push(value);
+      });
+      return values;
+    },
+    entries: function() {
+      var entries = [];
+      this.forEach(function(key, value) {
+        entries.push({
+          key: key,
+          value: value
+        });
+      });
+      return entries;
+    },
+    forEach: function(f) {
+      for (var key in this) {
+        if (key.charCodeAt(0) === d3_map_prefixCode) {
+          f.call(this, key.substring(1), this[key]);
+        }
+      }
+    }
+  });
+  var d3_map_prefix = "\0", d3_map_prefixCode = d3_map_prefix.charCodeAt(0);
+  d3.nest = function() {
+    var nest = {}, keys = [], sortKeys = [], sortValues, rollup;
+    function map(mapType, array, depth) {
+      if (depth >= keys.length) return rollup ? rollup.call(nest, array) : sortValues ? array.sort(sortValues) : array;
+      var i = -1, n = array.length, key = keys[depth++], keyValue, object, setter, valuesByKey = new d3_Map(), values;
+      while (++i < n) {
+        if (values = valuesByKey.get(keyValue = key(object = array[i]))) {
+          values.push(object);
+        } else {
+          valuesByKey.set(keyValue, [ object ]);
+        }
+      }
+      if (mapType) {
+        object = mapType();
+        setter = function(keyValue, values) {
+          object.set(keyValue, map(mapType, values, depth));
+        };
+      } else {
+        object = {};
+        setter = function(keyValue, values) {
+          object[keyValue] = map(mapType, values, depth);
+        };
+      }
+      valuesByKey.forEach(setter);
+      return object;
+    }
+    function entries(map, depth) {
+      if (depth >= keys.length) return map;
+      var array = [], sortKey = sortKeys[depth++];
+      map.forEach(function(key, keyMap) {
+        array.push({
+          key: key,
+          values: entries(keyMap, depth)
+        });
+      });
+      return sortKey ? array.sort(function(a, b) {
+        return sortKey(a.key, b.key);
+      }) : array;
+    }
+    nest.map = function(array, mapType) {
+      return map(mapType, array, 0);
+    };
+    nest.entries = function(array) {
+      return entries(map(d3.map, array, 0), 0);
+    };
+    nest.key = function(d) {
+      keys.push(d);
+      return nest;
+    };
+    nest.sortKeys = function(order) {
+      sortKeys[keys.length - 1] = order;
+      return nest;
+    };
+    nest.sortValues = function(order) {
+      sortValues = order;
+      return nest;
+    };
+    nest.rollup = function(f) {
+      rollup = f;
+      return nest;
+    };
+    return nest;
+  };
+  d3.set = function(array) {
+    var set = new d3_Set();
+    if (array) for (var i = 0; i < array.length; i++) set.add(array[i]);
+    return set;
+  };
+  function d3_Set() {}
+  d3_class(d3_Set, {
+    has: function(value) {
+      return d3_map_prefix + value in this;
+    },
+    add: function(value) {
+      this[d3_map_prefix + value] = true;
+      return value;
+    },
+    remove: function(value) {
+      value = d3_map_prefix + value;
+      return value in this && delete this[value];
+    },
+    values: function() {
+      var values = [];
+      this.forEach(function(value) {
+        values.push(value);
+      });
+      return values;
+    },
+    forEach: function(f) {
+      for (var value in this) {
+        if (value.charCodeAt(0) === d3_map_prefixCode) {
+          f.call(this, value.substring(1));
+        }
+      }
+    }
+  });
+  d3.behavior = {};
+  d3.rebind = function(target, source) {
+    var i = 1, n = arguments.length, method;
+    while (++i < n) target[method = arguments[i]] = d3_rebind(target, source, source[method]);
+    return target;
+  };
+  function d3_rebind(target, source, method) {
+    return function() {
+      var value = method.apply(source, arguments);
+      return value === source ? target : value;
+    };
+  }
+  d3.dispatch = function() {
+    var dispatch = new d3_dispatch(), i = -1, n = arguments.length;
+    while (++i < n) dispatch[arguments[i]] = d3_dispatch_event(dispatch);
+    return dispatch;
+  };
+  function d3_dispatch() {}
+  d3_dispatch.prototype.on = function(type, listener) {
+    var i = type.indexOf("."), name = "";
+    if (i >= 0) {
+      name = type.substring(i + 1);
+      type = type.substring(0, i);
+    }
+    if (type) return arguments.length < 2 ? this[type].on(name) : this[type].on(name, listener);
+    if (arguments.length === 2) {
+      if (listener == null) for (type in this) {
+        if (this.hasOwnProperty(type)) this[type].on(name, null);
+      }
+      return this;
+    }
+  };
+  function d3_dispatch_event(dispatch) {
+    var listeners = [], listenerByName = new d3_Map();
+    function event() {
+      var z = listeners, i = -1, n = z.length, l;
+      while (++i < n) if (l = z[i].on) l.apply(this, arguments);
+      return dispatch;
+    }
+    event.on = function(name, listener) {
+      var l = listenerByName.get(name), i;
+      if (arguments.length < 2) return l && l.on;
+      if (l) {
+        l.on = null;
+        listeners = listeners.slice(0, i = listeners.indexOf(l)).concat(listeners.slice(i + 1));
+        listenerByName.remove(name);
+      }
+      if (listener) listeners.push(listenerByName.set(name, {
+        on: listener
+      }));
+      return dispatch;
+    };
+    return event;
+  }
+  d3.event = null;
+  function d3_eventCancel() {
+    d3.event.stopPropagation();
+    d3.event.preventDefault();
+  }
+  function d3_eventSource() {
+    var e = d3.event, s;
+    while (s = e.sourceEvent) e = s;
+    return e;
+  }
+  function d3_eventSuppress(target, type) {
+    function off() {
+      target.on(type, null);
+    }
+    target.on(type, function() {
+      d3_eventCancel();
+      off();
+    }, true);
+    setTimeout(off, 0);
+  }
+  function d3_eventDispatch(target) {
+    var dispatch = new d3_dispatch(), i = 0, n = arguments.length;
+    while (++i < n) dispatch[arguments[i]] = d3_dispatch_event(dispatch);
+    dispatch.of = function(thiz, argumentz) {
+      return function(e1) {
+        try {
+          var e0 = e1.sourceEvent = d3.event;
+          e1.target = target;
+          d3.event = e1;
+          dispatch[e1.type].apply(thiz, argumentz);
+        } finally {
+          d3.event = e0;
+        }
+      };
+    };
+    return dispatch;
+  }
+  d3.mouse = function(container) {
+    return d3_mousePoint(container, d3_eventSource());
+  };
+  var d3_mouse_bug44083 = /WebKit/.test(d3_window.navigator.userAgent) ? -1 : 0;
+  function d3_mousePoint(container, e) {
+    var svg = container.ownerSVGElement || container;
+    if (svg.createSVGPoint) {
+      var point = svg.createSVGPoint();
+      if (d3_mouse_bug44083 < 0 && (d3_window.scrollX || d3_window.scrollY)) {
+        svg = d3.select(d3_document.body).append("svg").style("position", "absolute").style("top", 0).style("left", 0);
+        var ctm = svg[0][0].getScreenCTM();
+        d3_mouse_bug44083 = !(ctm.f || ctm.e);
+        svg.remove();
+      }
+      if (d3_mouse_bug44083) {
+        point.x = e.pageX;
+        point.y = e.pageY;
+      } else {
+        point.x = e.clientX;
+        point.y = e.clientY;
+      }
+      point = point.matrixTransform(container.getScreenCTM().inverse());
+      return [ point.x, point.y ];
+    }
+    var rect = container.getBoundingClientRect();
+    return [ e.clientX - rect.left - container.clientLeft, e.clientY - rect.top - container.clientTop ];
+  }
+  var d3_array = d3_arraySlice;
+  function d3_arrayCopy(pseudoarray) {
+    var i = -1, n = pseudoarray.length, array = [];
+    while (++i < n) array.push(pseudoarray[i]);
+    return array;
+  }
+  function d3_arraySlice(pseudoarray) {
+    return Array.prototype.slice.call(pseudoarray);
+  }
+  try {
+    d3_array(d3_document.documentElement.childNodes)[0].nodeType;
+  } catch (e) {
+    d3_array = d3_arrayCopy;
+  }
+  var d3_arraySubclass = [].__proto__ ? function(array, prototype) {
+    array.__proto__ = prototype;
+  } : function(array, prototype) {
+    for (var property in prototype) array[property] = prototype[property];
+  };
+  d3.touches = function(container, touches) {
+    if (arguments.length < 2) touches = d3_eventSource().touches;
+    return touches ? d3_array(touches).map(function(touch) {
+      var point = d3_mousePoint(container, touch);
+      point.identifier = touch.identifier;
+      return point;
+    }) : [];
+  };
+  d3.behavior.drag = function() {
+    var event = d3_eventDispatch(drag, "drag", "dragstart", "dragend"), origin = null;
+    function drag() {
+      this.on("mousedown.drag", mousedown).on("touchstart.drag", mousedown);
+    }
+    function mousedown() {
+      var target = this, event_ = event.of(target, arguments), eventTarget = d3.event.target, touchId = d3.event.touches ? d3.event.changedTouches[0].identifier : null, offset, origin_ = point(), moved = 0;
+      var w = d3.select(d3_window).on(touchId != null ? "touchmove.drag-" + touchId : "mousemove.drag", dragmove).on(touchId != null ? "touchend.drag-" + touchId : "mouseup.drag", dragend, true);
+      if (origin) {
+        offset = origin.apply(target, arguments);
+        offset = [ offset.x - origin_[0], offset.y - origin_[1] ];
+      } else {
+        offset = [ 0, 0 ];
+      }
+      if (touchId == null) d3_eventCancel();
+      event_({
+        type: "dragstart"
+      });
+      function point() {
+        var p = target.parentNode;
+        return touchId != null ? d3.touches(p).filter(function(p) {
+          return p.identifier === touchId;
+        })[0] : d3.mouse(p);
+      }
+      function dragmove() {
+        if (!target.parentNode) return dragend();
+        var p = point(), dx = p[0] - origin_[0], dy = p[1] - origin_[1];
+        moved |= dx | dy;
+        origin_ = p;
+        d3_eventCancel();
+        event_({
+          type: "drag",
+          x: p[0] + offset[0],
+          y: p[1] + offset[1],
+          dx: dx,
+          dy: dy
+        });
+      }
+      function dragend() {
+        event_({
+          type: "dragend"
+        });
+        if (moved) {
+          d3_eventCancel();
+          if (d3.event.target === eventTarget) d3_eventSuppress(w, "click");
+        }
+        w.on(touchId != null ? "touchmove.drag-" + touchId : "mousemove.drag", null).on(touchId != null ? "touchend.drag-" + touchId : "mouseup.drag", null);
+      }
+    }
+    drag.origin = function(x) {
+      if (!arguments.length) return origin;
+      origin = x;
+      return drag;
+    };
+    return d3.rebind(drag, event, "on");
+  };
+  function d3_selection(groups) {
+    d3_arraySubclass(groups, d3_selectionPrototype);
+    return groups;
+  }
+  var d3_select = function(s, n) {
+    return n.querySelector(s);
+  }, d3_selectAll = function(s, n) {
+    return n.querySelectorAll(s);
+  }, d3_selectRoot = d3_document.documentElement, d3_selectMatcher = d3_selectRoot.matchesSelector || d3_selectRoot.webkitMatchesSelector || d3_selectRoot.mozMatchesSelector || d3_selectRoot.msMatchesSelector || d3_selectRoot.oMatchesSelector, d3_selectMatches = function(n, s) {
+    return d3_selectMatcher.call(n, s);
+  };
+  if (typeof Sizzle === "function") {
+    d3_select = function(s, n) {
+      return Sizzle(s, n)[0] || null;
+    };
+    d3_selectAll = function(s, n) {
+      return Sizzle.uniqueSort(Sizzle(s, n));
+    };
+    d3_selectMatches = Sizzle.matchesSelector;
+  }
+  var d3_selectionPrototype = [];
+  d3.selection = function() {
+    return d3_selectionRoot;
+  };
+  d3.selection.prototype = d3_selectionPrototype;
+  d3_selectionPrototype.select = function(selector) {
+    var subgroups = [], subgroup, subnode, group, node;
+    if (typeof selector !== "function") selector = d3_selection_selector(selector);
+    for (var j = -1, m = this.length; ++j < m; ) {
+      subgroups.push(subgroup = []);
+      subgroup.parentNode = (group = this[j]).parentNode;
+      for (var i = -1, n = group.length; ++i < n; ) {
+        if (node = group[i]) {
+          subgroup.push(subnode = selector.call(node, node.__data__, i));
+          if (subnode && "__data__" in node) subnode.__data__ = node.__data__;
+        } else {
+          subgroup.push(null);
+        }
+      }
+    }
+    return d3_selection(subgroups);
+  };
+  function d3_selection_selector(selector) {
+    return function() {
+      return d3_select(selector, this);
+    };
+  }
+  d3_selectionPrototype.selectAll = function(selector) {
+    var subgroups = [], subgroup, node;
+    if (typeof selector !== "function") selector = d3_selection_selectorAll(selector);
+    for (var j = -1, m = this.length; ++j < m; ) {
+      for (var group = this[j], i = -1, n = group.length; ++i < n; ) {
+        if (node = group[i]) {
+          subgroups.push(subgroup = d3_array(selector.call(node, node.__data__, i)));
+          subgroup.parentNode = node;
+        }
+      }
+    }
+    return d3_selection(subgroups);
+  };
+  function d3_selection_selectorAll(selector) {
+    return function() {
+      return d3_selectAll(selector, this);
+    };
+  }
+  var d3_nsPrefix = {
+    svg: "http://www.w3.org/2000/svg",
+    xhtml: "http://www.w3.org/1999/xhtml",
+    xlink: "http://www.w3.org/1999/xlink",
+    xml: "http://www.w3.org/XML/1998/namespace",
+    xmlns: "http://www.w3.org/2000/xmlns/"
+  };
+  d3.ns = {
+    prefix: d3_nsPrefix,
+    qualify: function(name) {
+      var i = name.indexOf(":"), prefix = name;
+      if (i >= 0) {
+        prefix = name.substring(0, i);
+        name = name.substring(i + 1);
+      }
+      return d3_nsPrefix.hasOwnProperty(prefix) ? {
+        space: d3_nsPrefix[prefix],
+        local: name
+      } : name;
+    }
+  };
+  d3_selectionPrototype.attr = function(name, value) {
+    if (arguments.length < 2) {
+      if (typeof name === "string") {
+        var node = this.node();
+        name = d3.ns.qualify(name);
+        return name.local ? node.getAttributeNS(name.space, name.local) : node.getAttribute(name);
+      }
+      for (value in name) this.each(d3_selection_attr(value, name[value]));
+      return this;
+    }
+    return this.each(d3_selection_attr(name, value));
+  };
+  function d3_selection_attr(name, value) {
+    name = d3.ns.qualify(name);
+    function attrNull() {
+      this.removeAttribute(name);
+    }
+    function attrNullNS() {
+      this.removeAttributeNS(name.space, name.local);
+    }
+    function attrConstant() {
+      this.setAttribute(name, value);
+    }
+    function attrConstantNS() {
+      this.setAttributeNS(name.space, name.local, value);
+    }
+    function attrFunction() {
+      var x = value.apply(this, arguments);
+      if (x == null) this.removeAttribute(name); else this.setAttribute(name, x);
+    }
+    function attrFunctionNS() {
+      var x = value.apply(this, arguments);
+      if (x == null) this.removeAttributeNS(name.space, name.local); else this.setAttributeNS(name.space, name.local, x);
+    }
+    return value == null ? name.local ? attrNullNS : attrNull : typeof value === "function" ? name.local ? attrFunctionNS : attrFunction : name.local ? attrConstantNS : attrConstant;
+  }
+  function d3_collapse(s) {
+    return s.trim().replace(/\s+/g, " ");
+  }
+  d3.requote = function(s) {
+    return s.replace(d3_requote_re, "\\$&");
+  };
+  var d3_requote_re = /[\\\^\$\*\+\?\|\[\]\(\)\.\{\}]/g;
+  d3_selectionPrototype.classed = function(name, value) {
+    if (arguments.length < 2) {
+      if (typeof name === "string") {
+        var node = this.node(), n = (name = name.trim().split(/^|\s+/g)).length, i = -1;
+        if (value = node.classList) {
+          while (++i < n) if (!value.contains(name[i])) return false;
+        } else {
+          value = node.getAttribute("class");
+          while (++i < n) if (!d3_selection_classedRe(name[i]).test(value)) return false;
+        }
+        return true;
+      }
+      for (value in name) this.each(d3_selection_classed(value, name[value]));
+      return this;
+    }
+    return this.each(d3_selection_classed(name, value));
+  };
+  function d3_selection_classedRe(name) {
+    return new RegExp("(?:^|\\s+)" + d3.requote(name) + "(?:\\s+|$)", "g");
+  }
+  function d3_selection_classed(name, value) {
+    name = name.trim().split(/\s+/).map(d3_selection_classedName);
+    var n = name.length;
+    function classedConstant() {
+      var i = -1;
+      while (++i < n) name[i](this, value);
+    }
+    function classedFunction() {
+      var i = -1, x = value.apply(this, arguments);
+      while (++i < n) name[i](this, x);
+    }
+    return typeof value === "function" ? classedFunction : classedConstant;
+  }
+  function d3_selection_classedName(name) {
+    var re = d3_selection_classedRe(name);
+    return function(node, value) {
+      if (c = node.classList) return value ? c.add(name) : c.remove(name);
+      var c = node.getAttribute("class") || "";
+      if (value) {
+        re.lastIndex = 0;
+        if (!re.test(c)) node.setAttribute("class", d3_collapse(c + " " + name));
+      } else {
+        node.setAttribute("class", d3_collapse(c.replace(re, " ")));
+      }
+    };
+  }
+  d3_selectionPrototype.style = function(name, value, priority) {
+    var n = arguments.length;
+    if (n < 3) {
+      if (typeof name !== "string") {
+        if (n < 2) value = "";
+        for (priority in name) this.each(d3_selection_style(priority, name[priority], value));
+        return this;
+      }
+      if (n < 2) return d3_window.getComputedStyle(this.node(), null).getPropertyValue(name);
+      priority = "";
+    }
+    return this.each(d3_selection_style(name, value, priority));
+  };
+  function d3_selection_style(name, value, priority) {
+    function styleNull() {
+      this.style.removeProperty(name);
+    }
+    function styleConstant() {
+      this.style.setProperty(name, value, priority);
+    }
+    function styleFunction() {
+      var x = value.apply(this, arguments);
+      if (x == null) this.style.removeProperty(name); else this.style.setProperty(name, x, priority);
+    }
+    return value == null ? styleNull : typeof value === "function" ? styleFunction : styleConstant;
+  }
+  d3_selectionPrototype.property = function(name, value) {
+    if (arguments.length < 2) {
+      if (typeof name === "string") return this.node()[name];
+      for (value in name) this.each(d3_selection_property(value, name[value]));
+      return this;
+    }
+    return this.each(d3_selection_property(name, value));
+  };
+  function d3_selection_property(name, value) {
+    function propertyNull() {
+      delete this[name];
+    }
+    function propertyConstant() {
+      this[name] = value;
+    }
+    function propertyFunction() {
+      var x = value.apply(this, arguments);
+      if (x == null) delete this[name]; else this[name] = x;
+    }
+    return value == null ? propertyNull : typeof value === "function" ? propertyFunction : propertyConstant;
+  }
+  d3_selectionPrototype.text = function(value) {
+    return arguments.length ? this.each(typeof value === "function" ? function() {
+      var v = value.apply(this, arguments);
+      this.textContent = v == null ? "" : v;
+    } : value == null ? function() {
+      this.textContent = "";
+    } : function() {
+      this.textContent = value;
+    }) : this.node().textContent;
+  };
+  d3_selectionPrototype.html = function(value) {
+    return arguments.length ? this.each(typeof value === "function" ? function() {
+      var v = value.apply(this, arguments);
+      this.innerHTML = v == null ? "" : v;
+    } : value == null ? function() {
+      this.innerHTML = "";
+    } : function() {
+      this.innerHTML = value;
+    }) : this.node().innerHTML;
+  };
+  d3_selectionPrototype.append = function(name) {
+    name = d3.ns.qualify(name);
+    function append() {
+      return this.appendChild(d3_document.createElementNS(this.namespaceURI, name));
+    }
+    function appendNS() {
+      return this.appendChild(d3_document.createElementNS(name.space, name.local));
+    }
+    return this.select(name.local ? appendNS : append);
+  };
+  d3_selectionPrototype.insert = function(name, before) {
+    name = d3.ns.qualify(name);
+    if (typeof before !== "function") before = d3_selection_selector(before);
+    function insert(d, i) {
+      return this.insertBefore(d3_document.createElementNS(this.namespaceURI, name), before.call(this, d, i));
+    }
+    function insertNS(d, i) {
+      return this.insertBefore(d3_document.createElementNS(name.space, name.local), before.call(this, d, i));
+    }
+    return this.select(name.local ? insertNS : insert);
+  };
+  d3_selectionPrototype.remove = function() {
+    return this.each(function() {
+      var parent = this.parentNode;
+      if (parent) parent.removeChild(this);
+    });
+  };
+  d3_selectionPrototype.data = function(value, key) {
+    var i = -1, n = this.length, group, node;
+    if (!arguments.length) {
+      value = new Array(n = (group = this[0]).length);
+      while (++i < n) {
+        if (node = group[i]) {
+          value[i] = node.__data__;
+        }
+      }
+      return value;
+    }
+    function bind(group, groupData) {
+      var i, n = group.length, m = groupData.length, n0 = Math.min(n, m), updateNodes = new Array(m), enterNodes = new Array(m), exitNodes = new Array(n), node, nodeData;
+      if (key) {
+        var nodeByKeyValue = new d3_Map(), dataByKeyValue = new d3_Map(), keyValues = [], keyValue;
+        for (i = -1; ++i < n; ) {
+          keyValue = key.call(node = group[i], node.__data__, i);
+          if (nodeByKeyValue.has(keyValue)) {
+            exitNodes[i] = node;
+          } else {
+            nodeByKeyValue.set(keyValue, node);
+          }
+          keyValues.push(keyValue);
+        }
+        for (i = -1; ++i < m; ) {
+          keyValue = key.call(groupData, nodeData = groupData[i], i);
+          if (node = nodeByKeyValue.get(keyValue)) {
+            updateNodes[i] = node;
+            node.__data__ = nodeData;
+          } else if (!dataByKeyValue.has(keyValue)) {
+            enterNodes[i] = d3_selection_dataNode(nodeData);
+          }
+          dataByKeyValue.set(keyValue, nodeData);
+          nodeByKeyValue.remove(keyValue);
+        }
+        for (i = -1; ++i < n; ) {
+          if (nodeByKeyValue.has(keyValues[i])) {
+            exitNodes[i] = group[i];
+          }
+        }
+      } else {
+        for (i = -1; ++i < n0; ) {
+          node = group[i];
+          nodeData = groupData[i];
+          if (node) {
+            node.__data__ = nodeData;
+            updateNodes[i] = node;
+          } else {
+            enterNodes[i] = d3_selection_dataNode(nodeData);
+          }
+        }
+        for (;i < m; ++i) {
+          enterNodes[i] = d3_selection_dataNode(groupData[i]);
+        }
+        for (;i < n; ++i) {
+          exitNodes[i] = group[i];
+        }
+      }
+      enterNodes.update = updateNodes;
+      enterNodes.parentNode = updateNodes.parentNode = exitNodes.parentNode = group.parentNode;
+      enter.push(enterNodes);
+      update.push(updateNodes);
+      exit.push(exitNodes);
+    }
+    var enter = d3_selection_enter([]), update = d3_selection([]), exit = d3_selection([]);
+    if (typeof value === "function") {
+      while (++i < n) {
+        bind(group = this[i], value.call(group, group.parentNode.__data__, i));
+      }
+    } else {
+      while (++i < n) {
+        bind(group = this[i], value);
+      }
+    }
+    update.enter = function() {
+      return enter;
+    };
+    update.exit = function() {
+      return exit;
+    };
+    return update;
+  };
+  function d3_selection_dataNode(data) {
+    return {
+      __data__: data
+    };
+  }
+  d3_selectionPrototype.datum = function(value) {
+    return arguments.length ? this.property("__data__", value) : this.property("__data__");
+  };
+  d3_selectionPrototype.filter = function(filter) {
+    var subgroups = [], subgroup, group, node;
+    if (typeof filter !== "function") filter = d3_selection_filter(filter);
+    for (var j = 0, m = this.length; j < m; j++) {
+      subgroups.push(subgroup = []);
+      subgroup.parentNode = (group = this[j]).parentNode;
+      for (var i = 0, n = group.length; i < n; i++) {
+        if ((node = group[i]) && filter.call(node, node.__data__, i)) {
+          subgroup.push(node);
+        }
+      }
+    }
+    return d3_selection(subgroups);
+  };
+  function d3_selection_filter(selector) {
+    return function() {
+      return d3_selectMatches(this, selector);
+    };
+  }
+  d3_selectionPrototype.order = function() {
+    for (var j = -1, m = this.length; ++j < m; ) {
+      for (var group = this[j], i = group.length - 1, next = group[i], node; --i >= 0; ) {
+        if (node = group[i]) {
+          if (next && next !== node.nextSibling) next.parentNode.insertBefore(node, next);
+          next = node;
+        }
+      }
+    }
+    return this;
+  };
+  d3_selectionPrototype.sort = function(comparator) {
+    comparator = d3_selection_sortComparator.apply(this, arguments);
+    for (var j = -1, m = this.length; ++j < m; ) this[j].sort(comparator);
+    return this.order();
+  };
+  function d3_selection_sortComparator(comparator) {
+    if (!arguments.length) comparator = d3.ascending;
+    return function(a, b) {
+      return !a - !b || comparator(a.__data__, b.__data__);
+    };
+  }
+  function d3_noop() {}
+  d3_selectionPrototype.on = function(type, listener, capture) {
+    var n = arguments.length;
+    if (n < 3) {
+      if (typeof type !== "string") {
+        if (n < 2) listener = false;
+        for (capture in type) this.each(d3_selection_on(capture, type[capture], listener));
+        return this;
+      }
+      if (n < 2) return (n = this.node()["__on" + type]) && n._;
+      capture = false;
+    }
+    return this.each(d3_selection_on(type, listener, capture));
+  };
+  function d3_selection_on(type, listener, capture) {
+    var name = "__on" + type, i = type.indexOf("."), wrap = d3_selection_onListener;
+    if (i > 0) type = type.substring(0, i);
+    var filter = d3_selection_onFilters.get(type);
+    if (filter) type = filter, wrap = d3_selection_onFilter;
+    function onRemove() {
+      var l = this[name];
+      if (l) {
+        this.removeEventListener(type, l, l.$);
+        delete this[name];
+      }
+    }
+    function onAdd() {
+      var l = wrap(listener, d3_array(arguments));
+      onRemove.call(this);
+      this.addEventListener(type, this[name] = l, l.$ = capture);
+      l._ = listener;
+    }
+    function removeAll() {
+      var re = new RegExp("^__on([^.]+)" + d3.requote(type) + "$"), match;
+      for (var name in this) {
+        if (match = name.match(re)) {
+          var l = this[name];
+          this.removeEventListener(match[1], l, l.$);
+          delete this[name];
+        }
+      }
+    }
+    return i ? listener ? onAdd : onRemove : listener ? d3_noop : removeAll;
+  }
+  var d3_selection_onFilters = d3.map({
+    mouseenter: "mouseover",
+    mouseleave: "mouseout"
+  });
+  d3_selection_onFilters.forEach(function(k) {
+    if ("on" + k in d3_document) d3_selection_onFilters.remove(k);
+  });
+  function d3_selection_onListener(listener, argumentz) {
+    return function(e) {
+      var o = d3.event;
+      d3.event = e;
+      argumentz[0] = this.__data__;
+      try {
+        listener.apply(this, argumentz);
+      } finally {
+        d3.event = o;
+      }
+    };
+  }
+  function d3_selection_onFilter(listener, argumentz) {
+    var l = d3_selection_onListener(listener, argumentz);
+    return function(e) {
+      var target = this, related = e.relatedTarget;
+      if (!related || related !== target && !(related.compareDocumentPosition(target) & 8)) {
+        l.call(target, e);
+      }
+    };
+  }
+  d3_selectionPrototype.each = function(callback) {
+    return d3_selection_each(this, function(node, i, j) {
+      callback.call(node, node.__data__, i, j);
+    });
+  };
+  function d3_selection_each(groups, callback) {
+    for (var j = 0, m = groups.length; j < m; j++) {
+      for (var group = groups[j], i = 0, n = group.length, node; i < n; i++) {
+        if (node = group[i]) callback(node, i, j);
+      }
+    }
+    return groups;
+  }
+  d3_selectionPrototype.call = function(callback) {
+    var args = d3_array(arguments);
+    callback.apply(args[0] = this, args);
+    return this;
+  };
+  d3_selectionPrototype.empty = function() {
+    return !this.node();
+  };
+  d3_selectionPrototype.node = function() {
+    for (var j = 0, m = this.length; j < m; j++) {
+      for (var group = this[j], i = 0, n = group.length; i < n; i++) {
+        var node = group[i];
+        if (node) return node;
+      }
+    }
+    return null;
+  };
+  function d3_selection_enter(selection) {
+    d3_arraySubclass(selection, d3_selection_enterPrototype);
+    return selection;
+  }
+  var d3_selection_enterPrototype = [];
+  d3.selection.enter = d3_selection_enter;
+  d3.selection.enter.prototype = d3_selection_enterPrototype;
+  d3_selection_enterPrototype.append = d3_selectionPrototype.append;
+  d3_selection_enterPrototype.insert = d3_selectionPrototype.insert;
+  d3_selection_enterPrototype.empty = d3_selectionPrototype.empty;
+  d3_selection_enterPrototype.node = d3_selectionPrototype.node;
+  d3_selection_enterPrototype.select = function(selector) {
+    var subgroups = [], subgroup, subnode, upgroup, group, node;
+    for (var j = -1, m = this.length; ++j < m; ) {
+      upgroup = (group = this[j]).update;
+      subgroups.push(subgroup = []);
+      subgroup.parentNode = group.parentNode;
+      for (var i = -1, n = group.length; ++i < n; ) {
+        if (node = group[i]) {
+          subgroup.push(upgroup[i] = subnode = selector.call(group.parentNode, node.__data__, i));
+          subnode.__data__ = node.__data__;
+        } else {
+          subgroup.push(null);
+        }
+      }
+    }
+    return d3_selection(subgroups);
+  };
+  d3_selectionPrototype.transition = function() {
+    var id = d3_transitionInheritId || ++d3_transitionId, subgroups = [], subgroup, node, transition = Object.create(d3_transitionInherit);
+    transition.time = Date.now();
+    for (var j = -1, m = this.length; ++j < m; ) {
+      subgroups.push(subgroup = []);
+      for (var group = this[j], i = -1, n = group.length; ++i < n; ) {
+        if (node = group[i]) d3_transitionNode(node, i, id, transition);
+        subgroup.push(node);
+      }
+    }
+    return d3_transition(subgroups, id);
+  };
+  var d3_selectionRoot = d3_selection([ [ d3_document ] ]);
+  d3_selectionRoot[0].parentNode = d3_selectRoot;
+  d3.select = function(selector) {
+    return typeof selector === "string" ? d3_selectionRoot.select(selector) : d3_selection([ [ selector ] ]);
+  };
+  d3.selectAll = function(selector) {
+    return typeof selector === "string" ? d3_selectionRoot.selectAll(selector) : d3_selection([ d3_array(selector) ]);
+  };
+  d3.behavior.zoom = function() {
+    var translate = [ 0, 0 ], translate0, scale = 1, scale0, scaleExtent = d3_behavior_zoomInfinity, event = d3_eventDispatch(zoom, "zoom"), x0, x1, y0, y1, touchtime;
+    function zoom() {
+      this.on("mousedown.zoom", mousedown).on("mousemove.zoom", mousemove).on(d3_behavior_zoomWheel + ".zoom", mousewheel).on("dblclick.zoom", dblclick).on("touchstart.zoom", touchstart).on("touchmove.zoom", touchmove).on("touchend.zoom", touchstart);
+    }
+    zoom.translate = function(x) {
+      if (!arguments.length) return translate;
+      translate = x.map(Number);
+      rescale();
+      return zoom;
+    };
+    zoom.scale = function(x) {
+      if (!arguments.length) return scale;
+      scale = +x;
+      rescale();
+      return zoom;
+    };
+    zoom.scaleExtent = function(x) {
+      if (!arguments.length) return scaleExtent;
+      scaleExtent = x == null ? d3_behavior_zoomInfinity : x.map(Number);
+      return zoom;
+    };
+    zoom.x = function(z) {
+      if (!arguments.length) return x1;
+      x1 = z;
+      x0 = z.copy();
+      translate = [ 0, 0 ];
+      scale = 1;
+      return zoom;
+    };
+    zoom.y = function(z) {
+      if (!arguments.length) return y1;
+      y1 = z;
+      y0 = z.copy();
+      translate = [ 0, 0 ];
+      scale = 1;
+      return zoom;
+    };
+    function location(p) {
+      return [ (p[0] - translate[0]) / scale, (p[1] - translate[1]) / scale ];
+    }
+    function point(l) {
+      return [ l[0] * scale + translate[0], l[1] * scale + translate[1] ];
+    }
+    function scaleTo(s) {
+      scale = Math.max(scaleExtent[0], Math.min(scaleExtent[1], s));
+    }
+    function translateTo(p, l) {
+      l = point(l);
+      translate[0] += p[0] - l[0];
+      translate[1] += p[1] - l[1];
+    }
+    function rescale() {
+      if (x1) x1.domain(x0.range().map(function(x) {
+        return (x - translate[0]) / scale;
+      }).map(x0.invert));
+      if (y1) y1.domain(y0.range().map(function(y) {
+        return (y - translate[1]) / scale;
+      }).map(y0.invert));
+    }
+    function dispatch(event) {
+      rescale();
+      d3.event.preventDefault();
+      event({
+        type: "zoom",
+        scale: scale,
+        translate: translate
+      });
+    }
+    function mousedown() {
+      var target = this, event_ = event.of(target, arguments), eventTarget = d3.event.target, moved = 0, w = d3.select(d3_window).on("mousemove.zoom", mousemove).on("mouseup.zoom", mouseup), l = location(d3.mouse(target));
+      d3_window.focus();
+      d3_eventCancel();
+      function mousemove() {
+        moved = 1;
+        translateTo(d3.mouse(target), l);
+        dispatch(event_);
+      }
+      function mouseup() {
+        if (moved) d3_eventCancel();
+        w.on("mousemove.zoom", null).on("mouseup.zoom", null);
+        if (moved && d3.event.target === eventTarget) d3_eventSuppress(w, "click.zoom");
+      }
+    }
+    function mousewheel() {
+      if (!translate0) translate0 = location(d3.mouse(this));
+      scaleTo(Math.pow(2, d3_behavior_zoomDelta() * .002) * scale);
+      translateTo(d3.mouse(this), translate0);
+      dispatch(event.of(this, arguments));
+    }
+    function mousemove() {
+      translate0 = null;
+    }
+    function dblclick() {
+      var p = d3.mouse(this), l = location(p), k = Math.log(scale) / Math.LN2;
+      scaleTo(Math.pow(2, d3.event.shiftKey ? Math.ceil(k) - 1 : Math.floor(k) + 1));
+      translateTo(p, l);
+      dispatch(event.of(this, arguments));
+    }
+    function touchstart() {
+      var touches = d3.touches(this), now = Date.now();
+      scale0 = scale;
+      translate0 = {};
+      touches.forEach(function(t) {
+        translate0[t.identifier] = location(t);
+      });
+      d3_eventCancel();
+      if (touches.length === 1) {
+        if (now - touchtime < 500) {
+          var p = touches[0], l = location(touches[0]);
+          scaleTo(scale * 2);
+          translateTo(p, l);
+          dispatch(event.of(this, arguments));
+        }
+        touchtime = now;
+      }
+    }
+    function touchmove() {
+      var touches = d3.touches(this), p0 = touches[0], l0 = translate0[p0.identifier];
+      if (p1 = touches[1]) {
+        var p1, l1 = translate0[p1.identifier];
+        p0 = [ (p0[0] + p1[0]) / 2, (p0[1] + p1[1]) / 2 ];
+        l0 = [ (l0[0] + l1[0]) / 2, (l0[1] + l1[1]) / 2 ];
+        scaleTo(d3.event.scale * scale0);
+      }
+      translateTo(p0, l0);
+      touchtime = null;
+      dispatch(event.of(this, arguments));
+    }
+    return d3.rebind(zoom, event, "on");
+  };
+  var d3_behavior_zoomInfinity = [ 0, Infinity ];
+  var d3_behavior_zoomDelta, d3_behavior_zoomWheel = "onwheel" in d3_document ? (d3_behavior_zoomDelta = function() {
+    return -d3.event.deltaY * (d3.event.deltaMode ? 120 : 1);
+  }, "wheel") : "onmousewheel" in d3_document ? (d3_behavior_zoomDelta = function() {
+    return d3.event.wheelDelta;
+  }, "mousewheel") : (d3_behavior_zoomDelta = function() {
+    return -d3.event.detail;
+  }, "MozMousePixelScroll");
+  function d3_Color() {}
+  d3_Color.prototype.toString = function() {
+    return this.rgb() + "";
+  };
+  d3.hsl = function(h, s, l) {
+    return arguments.length === 1 ? h instanceof d3_Hsl ? d3_hsl(h.h, h.s, h.l) : d3_rgb_parse("" + h, d3_rgb_hsl, d3_hsl) : d3_hsl(+h, +s, +l);
+  };
+  function d3_hsl(h, s, l) {
+    return new d3_Hsl(h, s, l);
+  }
+  function d3_Hsl(h, s, l) {
+    this.h = h;
+    this.s = s;
+    this.l = l;
+  }
+  var d3_hslPrototype = d3_Hsl.prototype = new d3_Color();
+  d3_hslPrototype.brighter = function(k) {
+    k = Math.pow(.7, arguments.length ? k : 1);
+    return d3_hsl(this.h, this.s, this.l / k);
+  };
+  d3_hslPrototype.darker = function(k) {
+    k = Math.pow(.7, arguments.length ? k : 1);
+    return d3_hsl(this.h, this.s, k * this.l);
+  };
+  d3_hslPrototype.rgb = function() {
+    return d3_hsl_rgb(this.h, this.s, this.l);
+  };
+  function d3_hsl_rgb(h, s, l) {
+    var m1, m2;
+    h = h % 360;
+    if (h < 0) h += 360;
+    s = s < 0 ? 0 : s > 1 ? 1 : s;
+    l = l < 0 ? 0 : l > 1 ? 1 : l;
+    m2 = l <= .5 ? l * (1 + s) : l + s - l * s;
+    m1 = 2 * l - m2;
+    function v(h) {
+      if (h > 360) h -= 360; else if (h < 0) h += 360;
+      if (h < 60) return m1 + (m2 - m1) * h / 60;
+      if (h < 180) return m2;
+      if (h < 240) return m1 + (m2 - m1) * (240 - h) / 60;
+      return m1;
+    }
+    function vv(h) {
+      return Math.round(v(h) * 255);
+    }
+    return d3_rgb(vv(h + 120), vv(h), vv(h - 120));
+  }
+  var π = Math.PI, ε = 1e-6, d3_radians = π / 180, d3_degrees = 180 / π;
+  function d3_sgn(x) {
+    return x > 0 ? 1 : x < 0 ? -1 : 0;
+  }
+  function d3_acos(x) {
+    return Math.acos(Math.max(-1, Math.min(1, x)));
+  }
+  function d3_asin(x) {
+    return x > 1 ? π / 2 : x < -1 ? -π / 2 : Math.asin(x);
+  }
+  function d3_sinh(x) {
+    return (Math.exp(x) - Math.exp(-x)) / 2;
+  }
+  function d3_cosh(x) {
+    return (Math.exp(x) + Math.exp(-x)) / 2;
+  }
+  function d3_haversin(x) {
+    return (x = Math.sin(x / 2)) * x;
+  }
+  d3.hcl = function(h, c, l) {
+    return arguments.length === 1 ? h instanceof d3_Hcl ? d3_hcl(h.h, h.c, h.l) : h instanceof d3_Lab ? d3_lab_hcl(h.l, h.a, h.b) : d3_lab_hcl((h = d3_rgb_lab((h = d3.rgb(h)).r, h.g, h.b)).l, h.a, h.b) : d3_hcl(+h, +c, +l);
+  };
+  function d3_hcl(h, c, l) {
+    return new d3_Hcl(h, c, l);
+  }
+  function d3_Hcl(h, c, l) {
+    this.h = h;
+    this.c = c;
+    this.l = l;
+  }
+  var d3_hclPrototype = d3_Hcl.prototype = new d3_Color();
+  d3_hclPrototype.brighter = function(k) {
+    return d3_hcl(this.h, this.c, Math.min(100, this.l + d3_lab_K * (arguments.length ? k : 1)));
+  };
+  d3_hclPrototype.darker = function(k) {
+    return d3_hcl(this.h, this.c, Math.max(0, this.l - d3_lab_K * (arguments.length ? k : 1)));
+  };
+  d3_hclPrototype.rgb = function() {
+    return d3_hcl_lab(this.h, this.c, this.l).rgb();
+  };
+  function d3_hcl_lab(h, c, l) {
+    return d3_lab(l, Math.cos(h *= d3_radians) * c, Math.sin(h) * c);
+  }
+  d3.lab = function(l, a, b) {
+    return arguments.length === 1 ? l instanceof d3_Lab ? d3_lab(l.l, l.a, l.b) : l instanceof d3_Hcl ? d3_hcl_lab(l.l, l.c, l.h) : d3_rgb_lab((l = d3.rgb(l)).r, l.g, l.b) : d3_lab(+l, +a, +b);
+  };
+  function d3_lab(l, a, b) {
+    return new d3_Lab(l, a, b);
+  }
+  function d3_Lab(l, a, b) {
+    this.l = l;
+    this.a = a;
+    this.b = b;
+  }
+  var d3_lab_K = 18;
+  var d3_lab_X = .95047, d3_lab_Y = 1, d3_lab_Z = 1.08883;
+  var d3_labPrototype = d3_Lab.prototype = new d3_Color();
+  d3_labPrototype.brighter = function(k) {
+    return d3_lab(Math.min(100, this.l + d3_lab_K * (arguments.length ? k : 1)), this.a, this.b);
+  };
+  d3_labPrototype.darker = function(k) {
+    return d3_lab(Math.max(0, this.l - d3_lab_K * (arguments.length ? k : 1)), this.a, this.b);
+  };
+  d3_labPrototype.rgb = function() {
+    return d3_lab_rgb(this.l, this.a, this.b);
+  };
+  function d3_lab_rgb(l, a, b) {
+    var y = (l + 16) / 116, x = y + a / 500, z = y - b / 200;
+    x = d3_lab_xyz(x) * d3_lab_X;
+    y = d3_lab_xyz(y) * d3_lab_Y;
+    z = d3_lab_xyz(z) * d3_lab_Z;
+    return d3_rgb(d3_xyz_rgb(3.2404542 * x - 1.5371385 * y - .4985314 * z), d3_xyz_rgb(-.969266 * x + 1.8760108 * y + .041556 * z), d3_xyz_rgb(.0556434 * x - .2040259 * y + 1.0572252 * z));
+  }
+  function d3_lab_hcl(l, a, b) {
+    return d3_hcl(Math.atan2(b, a) * d3_degrees, Math.sqrt(a * a + b * b), l);
+  }
+  function d3_lab_xyz(x) {
+    return x > .206893034 ? x * x * x : (x - 4 / 29) / 7.787037;
+  }
+  function d3_xyz_lab(x) {
+    return x > .008856 ? Math.pow(x, 1 / 3) : 7.787037 * x + 4 / 29;
+  }
+  function d3_xyz_rgb(r) {
+    return Math.round(255 * (r <= .00304 ? 12.92 * r : 1.055 * Math.pow(r, 1 / 2.4) - .055));
+  }
+  d3.rgb = function(r, g, b) {
+    return arguments.length === 1 ? r instanceof d3_Rgb ? d3_rgb(r.r, r.g, r.b) : d3_rgb_parse("" + r, d3_rgb, d3_hsl_rgb) : d3_rgb(~~r, ~~g, ~~b);
+  };
+  function d3_rgb(r, g, b) {
+    return new d3_Rgb(r, g, b);
+  }
+  function d3_Rgb(r, g, b) {
+    this.r = r;
+    this.g = g;
+    this.b = b;
+  }
+  var d3_rgbPrototype = d3_Rgb.prototype = new d3_Color();
+  d3_rgbPrototype.brighter = function(k) {
+    k = Math.pow(.7, arguments.length ? k : 1);
+    var r = this.r, g = this.g, b = this.b, i = 30;
+    if (!r && !g && !b) return d3_rgb(i, i, i);
+    if (r && r < i) r = i;
+    if (g && g < i) g = i;
+    if (b && b < i) b = i;
+    return d3_rgb(Math.min(255, Math.floor(r / k)), Math.min(255, Math.floor(g / k)), Math.min(255, Math.floor(b / k)));
+  };
+  d3_rgbPrototype.darker = function(k) {
+    k = Math.pow(.7, arguments.length ? k : 1);
+    return d3_rgb(Math.floor(k * this.r), Math.floor(k * this.g), Math.floor(k * this.b));
+  };
+  d3_rgbPrototype.hsl = function() {
+    return d3_rgb_hsl(this.r, this.g, this.b);
+  };
+  d3_rgbPrototype.toString = function() {
+    return "#" + d3_rgb_hex(this.r) + d3_rgb_hex(this.g) + d3_rgb_hex(this.b);
+  };
+  function d3_rgb_hex(v) {
+    return v < 16 ? "0" + Math.max(0, v).toString(16) : Math.min(255, v).toString(16);
+  }
+  function d3_rgb_parse(format, rgb, hsl) {
+    var r = 0, g = 0, b = 0, m1, m2, name;
+    m1 = /([a-z]+)\((.*)\)/i.exec(format);
+    if (m1) {
+      m2 = m1[2].split(",");
+      switch (m1[1]) {
+       case "hsl":
+        {
+          return hsl(parseFloat(m2[0]), parseFloat(m2[1]) / 100, parseFloat(m2[2]) / 100);
+        }
+
+       case "rgb":
+        {
+          return rgb(d3_rgb_parseNumber(m2[0]), d3_rgb_parseNumber(m2[1]), d3_rgb_parseNumber(m2[2]));
+        }
+      }
+    }
+    if (name = d3_rgb_names.get(format)) return rgb(name.r, name.g, name.b);
+    if (format != null && format.charAt(0) === "#") {
+      if (format.length === 4) {
+        r = format.charAt(1);
+        r += r;
+        g = format.charAt(2);
+        g += g;
+        b = format.charAt(3);
+        b += b;
+      } else if (format.length === 7) {
+        r = format.substring(1, 3);
+        g = format.substring(3, 5);
+        b = format.substring(5, 7);
+      }
+      r = parseInt(r, 16);
+      g = parseInt(g, 16);
+      b = parseInt(b, 16);
+    }
+    return rgb(r, g, b);
+  }
+  function d3_rgb_hsl(r, g, b) {
+    var min = Math.min(r /= 255, g /= 255, b /= 255), max = Math.max(r, g, b), d = max - min, h, s, l = (max + min) / 2;
+    if (d) {
+      s = l < .5 ? d / (max + min) : d / (2 - max - min);
+      if (r == max) h = (g - b) / d + (g < b ? 6 : 0); else if (g == max) h = (b - r) / d + 2; else h = (r - g) / d + 4;
+      h *= 60;
+    } else {
+      s = h = 0;
+    }
+    return d3_hsl(h, s, l);
+  }
+  function d3_rgb_lab(r, g, b) {
+    r = d3_rgb_xyz(r);
+    g = d3_rgb_xyz(g);
+    b = d3_rgb_xyz(b);
+    var x = d3_xyz_lab((.4124564 * r + .3575761 * g + .1804375 * b) / d3_lab_X), y = d3_xyz_lab((.2126729 * r + .7151522 * g + .072175 * b) / d3_lab_Y), z = d3_xyz_lab((.0193339 * r + .119192 * g + .9503041 * b) / d3_lab_Z);
+    return d3_lab(116 * y - 16, 500 * (x - y), 200 * (y - z));
+  }
+  function d3_rgb_xyz(r) {
+    return (r /= 255) <= .04045 ? r / 12.92 : Math.pow((r + .055) / 1.055, 2.4);
+  }
+  function d3_rgb_parseNumber(c) {
+    var f = parseFloat(c);
+    return c.charAt(c.length - 1) === "%" ? Math.round(f * 2.55) : f;
+  }
+  var d3_rgb_names = d3.map({
+    aliceblue: "#f0f8ff",
+    antiquewhite: "#faebd7",
+    aqua: "#00ffff",
+    aquamarine: "#7fffd4",
+    azure: "#f0ffff",
+    beige: "#f5f5dc",
+    bisque: "#ffe4c4",
+    black: "#000000",
+    blanchedalmond: "#ffebcd",
+    blue: "#0000ff",
+    blueviolet: "#8a2be2",
+    brown: "#a52a2a",
+    burlywood: "#deb887",
+    cadetblue: "#5f9ea0",
+    chartreuse: "#7fff00",
+    chocolate: "#d2691e",
+    coral: "#ff7f50",
+    cornflowerblue: "#6495ed",
+    cornsilk: "#fff8dc",
+    crimson: "#dc143c",
+    cyan: "#00ffff",
+    darkblue: "#00008b",
+    darkcyan: "#008b8b",
+    darkgoldenrod: "#b8860b",
+    darkgray: "#a9a9a9",
+    darkgreen: "#006400",
+    darkgrey: "#a9a9a9",
+    darkkhaki: "#bdb76b",
+    darkmagenta: "#8b008b",
+    darkolivegreen: "#556b2f",
+    darkorange: "#ff8c00",
+    darkorchid: "#9932cc",
+    darkred: "#8b0000",
+    darksalmon: "#e9967a",
+    darkseagreen: "#8fbc8f",
+    darkslateblue: "#483d8b",
+    darkslategray: "#2f4f4f",
+    darkslategrey: "#2f4f4f",
+    darkturquoise: "#00ced1",
+    darkviolet: "#9400d3",
+    deeppink: "#ff1493",
+    deepskyblue: "#00bfff",
+    dimgray: "#696969",
+    dimgrey: "#696969",
+    dodgerblue: "#1e90ff",
+    firebrick: "#b22222",
+    floralwhite: "#fffaf0",
+    forestgreen: "#228b22",
+    fuchsia: "#ff00ff",
+    gainsboro: "#dcdcdc",
+    ghostwhite: "#f8f8ff",
+    gold: "#ffd700",
+    goldenrod: "#daa520",
+    gray: "#808080",
+    green: "#008000",
+    greenyellow: "#adff2f",
+    grey: "#808080",
+    honeydew: "#f0fff0",
+    hotpink: "#ff69b4",
+    indianred: "#cd5c5c",
+    indigo: "#4b0082",
+    ivory: "#fffff0",
+    khaki: "#f0e68c",
+    lavender: "#e6e6fa",
+    lavenderblush: "#fff0f5",
+    lawngreen: "#7cfc00",
+    lemonchiffon: "#fffacd",
+    lightblue: "#add8e6",
+    lightcoral: "#f08080",
+    lightcyan: "#e0ffff",
+    lightgoldenrodyellow: "#fafad2",
+    lightgray: "#d3d3d3",
+    lightgreen: "#90ee90",
+    lightgrey: "#d3d3d3",
+    lightpink: "#ffb6c1",
+    lightsalmon: "#ffa07a",
+    lightseagreen: "#20b2aa",
+    lightskyblue: "#87cefa",
+    lightslategray: "#778899",
+    lightslategrey: "#778899",
+    lightsteelblue: "#b0c4de",
+    lightyellow: "#ffffe0",
+    lime: "#00ff00",
+    limegreen: "#32cd32",
+    linen: "#faf0e6",
+    magenta: "#ff00ff",
+    maroon: "#800000",
+    mediumaquamarine: "#66cdaa",
+    mediumblue: "#0000cd",
+    mediumorchid: "#ba55d3",
+    mediumpurple: "#9370db",
+    mediumseagreen: "#3cb371",
+    mediumslateblue: "#7b68ee",
+    mediumspringgreen: "#00fa9a",
+    mediumturquoise: "#48d1cc",
+    mediumvioletred: "#c71585",
+    midnightblue: "#191970",
+    mintcream: "#f5fffa",
+    mistyrose: "#ffe4e1",
+    moccasin: "#ffe4b5",
+    navajowhite: "#ffdead",
+    navy: "#000080",
+    oldlace: "#fdf5e6",
+    olive: "#808000",
+    olivedrab: "#6b8e23",
+    orange: "#ffa500",
+    orangered: "#ff4500",
+    orchid: "#da70d6",
+    palegoldenrod: "#eee8aa",
+    palegreen: "#98fb98",
+    paleturquoise: "#afeeee",
+    palevioletred: "#db7093",
+    papayawhip: "#ffefd5",
+    peachpuff: "#ffdab9",
+    peru: "#cd853f",
+    pink: "#ffc0cb",
+    plum: "#dda0dd",
+    powderblue: "#b0e0e6",
+    purple: "#800080",
+    red: "#ff0000",
+    rosybrown: "#bc8f8f",
+    royalblue: "#4169e1",
+    saddlebrown: "#8b4513",
+    salmon: "#fa8072",
+    sandybrown: "#f4a460",
+    seagreen: "#2e8b57",
+    seashell: "#fff5ee",
+    sienna: "#a0522d",
+    silver: "#c0c0c0",
+    skyblue: "#87ceeb",
+    slateblue: "#6a5acd",
+    slategray: "#708090",
+    slategrey: "#708090",
+    snow: "#fffafa",
+    springgreen: "#00ff7f",
+    steelblue: "#4682b4",
+    tan: "#d2b48c",
+    teal: "#008080",
+    thistle: "#d8bfd8",
+    tomato: "#ff6347",
+    turquoise: "#40e0d0",
+    violet: "#ee82ee",
+    wheat: "#f5deb3",
+    white: "#ffffff",
+    whitesmoke: "#f5f5f5",
+    yellow: "#ffff00",
+    yellowgreen: "#9acd32"
+  });
+  d3_rgb_names.forEach(function(key, value) {
+    d3_rgb_names.set(key, d3_rgb_parse(value, d3_rgb, d3_hsl_rgb));
+  });
+  function d3_functor(v) {
+    return typeof v === "function" ? v : function() {
+      return v;
+    };
+  }
+  d3.functor = d3_functor;
+  function d3_identity(d) {
+    return d;
+  }
+  d3.xhr = function(url, mimeType, callback) {
+    var xhr = {}, dispatch = d3.dispatch("progress", "load", "error"), headers = {}, response = d3_identity, request = new (d3_window.XDomainRequest && /^(http(s)?:)?\/\//.test(url) ? XDomainRequest : XMLHttpRequest)();
+    "onload" in request ? request.onload = request.onerror = respond : request.onreadystatechange = function() {
+      request.readyState > 3 && respond();
+    };
+    function respond() {
+      var s = request.status;
+      !s && request.responseText || s >= 200 && s < 300 || s === 304 ? dispatch.load.call(xhr, response.call(xhr, request)) : dispatch.error.call(xhr, request);
+    }
+    request.onprogress = function(event) {
+      var o = d3.event;
+      d3.event = event;
+      try {
+        dispatch.progress.call(xhr, request);
+      } finally {
+        d3.event = o;
+      }
+    };
+    xhr.header = function(name, value) {
+      name = (name + "").toLowerCase();
+      if (arguments.length < 2) return headers[name];
+      if (value == null) delete headers[name]; else headers[name] = value + "";
+      return xhr;
+    };
+    xhr.mimeType = function(value) {
+      if (!arguments.length) return mimeType;
+      mimeType = value == null ? null : value + "";
+      return xhr;
+    };
+    xhr.response = function(value) {
+      response = value;
+      return xhr;
+    };
+    [ "get", "post" ].forEach(function(method) {
+      xhr[method] = function() {
+        return xhr.send.apply(xhr, [ method ].concat(d3_array(arguments)));
+      };
+    });
+    xhr.send = function(method, data, callback) {
+      if (arguments.length === 2 && typeof data === "function") callback = data, data = null;
+      request.open(method, url, true);
+      if (mimeType != null && !("accept" in headers)) headers["accept"] = mimeType + ",*/*";
+      if (request.setRequestHeader) for (var name in headers) request.setRequestHeader(name, headers[name]);
+      if (mimeType != null && request.overrideMimeType) request.overrideMimeType(mimeType);
+      if (callback != null) xhr.on("error", callback).on("load", function(request) {
+        callback(null, request);
+      });
+      request.send(data == null ? null : data);
+      return xhr;
+    };
+    xhr.abort = function() {
+      request.abort();
+      return xhr;
+    };
+    d3.rebind(xhr, dispatch, "on");
+    if (arguments.length === 2 && typeof mimeType === "function") callback = mimeType, 
+    mimeType = null;
+    return callback == null ? xhr : xhr.get(d3_xhr_fixCallback(callback));
+  };
+  function d3_xhr_fixCallback(callback) {
+    return callback.length === 1 ? function(error, request) {
+      callback(error == null ? request : null);
+    } : callback;
+  }
+  function d3_dsv(delimiter, mimeType) {
+    var reFormat = new RegExp('["' + delimiter + "\n]"), delimiterCode = delimiter.charCodeAt(0);
+    function dsv(url, row, callback) {
+      if (arguments.length < 3) callback = row, row = null;
+      var xhr = d3.xhr(url, mimeType, callback);
+      xhr.row = function(_) {
+        return arguments.length ? xhr.response((row = _) == null ? response : typedResponse(_)) : row;
+      };
+      return xhr.row(row);
+    }
+    function response(request) {
+      return dsv.parse(request.responseText);
+    }
+    function typedResponse(f) {
+      return function(request) {
+        return dsv.parse(request.responseText, f);
+      };
+    }
+    dsv.parse = function(text, f) {
+      var o;
+      return dsv.parseRows(text, function(row, i) {
+        if (o) return o(row, i - 1);
+        var a = new Function("d", "return {" + row.map(function(name, i) {
+          return JSON.stringify(name) + ": d[" + i + "]";
+        }).join(",") + "}");
+        o = f ? function(row, i) {
+          return f(a(row), i);
+        } : a;
+      });
+    };
+    dsv.parseRows = function(text, f) {
+      var EOL = {}, EOF = {}, rows = [], N = text.length, I = 0, n = 0, t, eol;
+      function token() {
+        if (I >= N) return EOF;
+        if (eol) return eol = false, EOL;
+        var j = I;
+        if (text.charCodeAt(j) === 34) {
+          var i = j;
+          while (i++ < N) {
+            if (text.charCodeAt(i) === 34) {
+              if (text.charCodeAt(i + 1) !== 34) break;
+              ++i;
+            }
+          }
+          I = i + 2;
+          var c = text.charCodeAt(i + 1);
+          if (c === 13) {
+            eol = true;
+            if (text.charCodeAt(i + 2) === 10) ++I;
+          } else if (c === 10) {
+            eol = true;
+          }
+          return text.substring(j + 1, i).replace(/""/g, '"');
+        }
+        while (I < N) {
+          var c = text.charCodeAt(I++), k = 1;
+          if (c === 10) eol = true; else if (c === 13) {
+            eol = true;
+            if (text.charCodeAt(I) === 10) ++I, ++k;
+          } else if (c !== delimiterCode) continue;
+          return text.substring(j, I - k);
+        }
+        return text.substring(j);
+      }
+      while ((t = token()) !== EOF) {
+        var a = [];
+        while (t !== EOL && t !== EOF) {
+          a.push(t);
+          t = token();
+        }
+        if (f && !(a = f(a, n++))) continue;
+        rows.push(a);
+      }
+      return rows;
+    };
+    dsv.format = function(rows) {
+      if (Array.isArray(rows[0])) return dsv.formatRows(rows);
+      var fieldSet = new d3_Set(), fields = [];
+      rows.forEach(function(row) {
+        for (var field in row) {
+          if (!fieldSet.has(field)) {
+            fields.push(fieldSet.add(field));
+          }
+        }
+      });
+      return [ fields.map(formatValue).join(delimiter) ].concat(rows.map(function(row) {
+        return fields.map(function(field) {
+          return formatValue(row[field]);
+        }).join(delimiter);
+      })).join("\n");
+    };
+    dsv.formatRows = function(rows) {
+      return rows.map(formatRow).join("\n");
+    };
+    function formatRow(row) {
+      return row.map(formatValue).join(delimiter);
+    }
+    function formatValue(text) {
+      return reFormat.test(text) ? '"' + text.replace(/\"/g, '""') + '"' : text;
+    }
+    return dsv;
+  }
+  d3.csv = d3_dsv(",", "text/csv");
+  d3.tsv = d3_dsv("	", "text/tab-separated-values");
+  var d3_timer_id = 0, d3_timer_byId = {}, d3_timer_queue = null, d3_timer_interval, d3_timer_timeout;
+  d3.timer = function(callback, delay, then) {
+    if (arguments.length < 3) {
+      if (arguments.length < 2) delay = 0; else if (!isFinite(delay)) return;
+      then = Date.now();
+    }
+    var timer = d3_timer_byId[callback.id];
+    if (timer && timer.callback === callback) {
+      timer.then = then;
+      timer.delay = delay;
+    } else d3_timer_byId[callback.id = ++d3_timer_id] = d3_timer_queue = {
+      callback: callback,
+      then: then,
+      delay: delay,
+      next: d3_timer_queue
+    };
+    if (!d3_timer_interval) {
+      d3_timer_timeout = clearTimeout(d3_timer_timeout);
+      d3_timer_interval = 1;
+      d3_timer_frame(d3_timer_step);
+    }
+  };
+  function d3_timer_step() {
+    var elapsed, now = Date.now(), t1 = d3_timer_queue;
+    while (t1) {
+      elapsed = now - t1.then;
+      if (elapsed >= t1.delay) t1.flush = t1.callback(elapsed);
+      t1 = t1.next;
+    }
+    var delay = d3_timer_flush() - now;
+    if (delay > 24) {
+      if (isFinite(delay)) {
+        clearTimeout(d3_timer_timeout);
+        d3_timer_timeout = setTimeout(d3_timer_step, delay);
+      }
+      d3_timer_interval = 0;
+    } else {
+      d3_timer_interval = 1;
+      d3_timer_frame(d3_timer_step);
+    }
+  }
+  d3.timer.flush = function() {
+    var elapsed, now = Date.now(), t1 = d3_timer_queue;
+    while (t1) {
+      elapsed = now - t1.then;
+      if (!t1.delay) t1.flush = t1.callback(elapsed);
+      t1 = t1.next;
+    }
+    d3_timer_flush();
+  };
+  function d3_timer_flush() {
+    var t0 = null, t1 = d3_timer_queue, then = Infinity;
+    while (t1) {
+      if (t1.flush) {
+        delete d3_timer_byId[t1.callback.id];
+        t1 = t0 ? t0.next = t1.next : d3_timer_queue = t1.next;
+      } else {
+        then = Math.min(then, t1.then + t1.delay);
+        t1 = (t0 = t1).next;
+      }
+    }
+    return then;
+  }
+  var d3_timer_frame = d3_window.requestAnimationFrame || d3_window.webkitRequestAnimationFrame || d3_window.mozRequestAnimationFrame || d3_window.oRequestAnimationFrame || d3_window.msRequestAnimationFrame || function(callback) {
+    setTimeout(callback, 17);
+  };
+  var d3_format_decimalPoint = ".", d3_format_thousandsSeparator = ",", d3_format_grouping = [ 3, 3 ];
+  var d3_formatPrefixes = [ "y", "z", "a", "f", "p", "n", "µ", "m", "", "k", "M", "G", "T", "P", "E", "Z", "Y" ].map(d3_formatPrefix);
+  d3.formatPrefix = function(value, precision) {
+    var i = 0;
+    if (value) {
+      if (value < 0) value *= -1;
+      if (precision) value = d3.round(value, d3_format_precision(value, precision));
+      i = 1 + Math.floor(1e-12 + Math.log(value) / Math.LN10);
+      i = Math.max(-24, Math.min(24, Math.floor((i <= 0 ? i + 1 : i - 1) / 3) * 3));
+    }
+    return d3_formatPrefixes[8 + i / 3];
+  };
+  function d3_formatPrefix(d, i) {
+    var k = Math.pow(10, Math.abs(8 - i) * 3);
+    return {
+      scale: i > 8 ? function(d) {
+        return d / k;
+      } : function(d) {
+        return d * k;
+      },
+      symbol: d
+    };
+  }
+  d3.round = function(x, n) {
+    return n ? Math.round(x * (n = Math.pow(10, n))) / n : Math.round(x);
+  };
+  d3.format = function(specifier) {
+    var match = d3_format_re.exec(specifier), fill = match[1] || " ", align = match[2] || ">", sign = match[3] || "", basePrefix = match[4] || "", zfill = match[5], width = +match[6], comma = match[7], precision = match[8], type = match[9], scale = 1, suffix = "", integer = false;
+    if (precision) precision = +precision.substring(1);
+    if (zfill || fill === "0" && align === "=") {
+      zfill = fill = "0";
+      align = "=";
+      if (comma) width -= Math.floor((width - 1) / 4);
+    }
+    switch (type) {
+     case "n":
+      comma = true;
+      type = "g";
+      break;
+
+     case "%":
+      scale = 100;
+      suffix = "%";
+      type = "f";
+      break;
+
+     case "p":
+      scale = 100;
+      suffix = "%";
+      type = "r";
+      break;
+
+     case "b":
+     case "o":
+     case "x":
+     case "X":
+      if (basePrefix) basePrefix = "0" + type.toLowerCase();
+
+     case "c":
+     case "d":
+      integer = true;
+      precision = 0;
+      break;
+
+     case "s":
+      scale = -1;
+      type = "r";
+      break;
+    }
+    if (basePrefix === "#") basePrefix = "";
+    if (type == "r" && !precision) type = "g";
+    if (precision != null) {
+      if (type == "g") precision = Math.max(1, Math.min(21, precision)); else if (type == "e" || type == "f") precision = Math.max(0, Math.min(20, precision));
+    }
+    type = d3_format_types.get(type) || d3_format_typeDefault;
+    var zcomma = zfill && comma;
+    return function(value) {
+      if (integer && value % 1) return "";
+      var negative = value < 0 || value === 0 && 1 / value < 0 ? (value = -value, "-") : sign;
+      if (scale < 0) {
+        var prefix = d3.formatPrefix(value, precision);
+        value = prefix.scale(value);
+        suffix = prefix.symbol;
+      } else {
+        value *= scale;
+      }
+      value = type(value, precision);
+      if (!zfill && comma) value = d3_format_group(value);
+      var length = basePrefix.length + value.length + (zcomma ? 0 : negative.length), padding = length < width ? new Array(length = width - length + 1).join(fill) : "";
+      if (zcomma) value = d3_format_group(padding + value);
+      if (d3_format_decimalPoint) value.replace(".", d3_format_decimalPoint);
+      negative += basePrefix;
+      return (align === "<" ? negative + value + padding : align === ">" ? padding + negative + value : align === "^" ? padding.substring(0, length >>= 1) + negative + value + padding.substring(length) : negative + (zcomma ? value : padding + value)) + suffix;
+    };
+  };
+  var d3_format_re = /(?:([^{])?([<>=^]))?([+\- ])?(#)?(0)?(\d+)?(,)?(\.-?\d+)?([a-z%])?/i;
+  var d3_format_types = d3.map({
+    b: function(x) {
+      return x.toString(2);
+    },
+    c: function(x) {
+      return String.fromCharCode(x);
+    },
+    o: function(x) {
+      return x.toString(8);
+    },
+    x: function(x) {
+      return x.toString(16);
+    },
+    X: function(x) {
+      return x.toString(16).toUpperCase();
+    },
+    g: function(x, p) {
+      return x.toPrecision(p);
+    },
+    e: function(x, p) {
+      return x.toExponential(p);
+    },
+    f: function(x, p) {
+      return x.toFixed(p);
+    },
+    r: function(x, p) {
+      return (x = d3.round(x, d3_format_precision(x, p))).toFixed(Math.max(0, Math.min(20, d3_format_precision(x * (1 + 1e-15), p))));
+    }
+  });
+  function d3_format_precision(x, p) {
+    return p - (x ? Math.ceil(Math.log(x) / Math.LN10) : 1);
+  }
+  function d3_format_typeDefault(x) {
+    return x + "";
+  }
+  var d3_format_group = d3_identity;
+  if (d3_format_grouping) {
+    var d3_format_groupingLength = d3_format_grouping.length;
+    d3_format_group = function(value) {
+      var i = value.lastIndexOf("."), f = i >= 0 ? "." + value.substring(i + 1) : (i = value.length, 
+      ""), t = [], j = 0, g = d3_format_grouping[0];
+      while (i > 0 && g > 0) {
+        t.push(value.substring(i -= g, i + g));
+        g = d3_format_grouping[j = (j + 1) % d3_format_groupingLength];
+      }
+      return t.reverse().join(d3_format_thousandsSeparator || "") + f;
+    };
+  }
+  d3.geo = {};
+  d3.geo.stream = function(object, listener) {
+    if (object && d3_geo_streamObjectType.hasOwnProperty(object.type)) {
+      d3_geo_streamObjectType[object.type](object, listener);
+    } else {
+      d3_geo_streamGeometry(object, listener);
+    }
+  };
+  function d3_geo_streamGeometry(geometry, listener) {
+    if (geometry && d3_geo_streamGeometryType.hasOwnProperty(geometry.type)) {
+      d3_geo_streamGeometryType[geometry.type](geometry, listener);
+    }
+  }
+  var d3_geo_streamObjectType = {
+    Feature: function(feature, listener) {
+      d3_geo_streamGeometry(feature.geometry, listener);
+    },
+    FeatureCollection: function(object, listener) {
+      var features = object.features, i = -1, n = features.length;
+      while (++i < n) d3_geo_streamGeometry(features[i].geometry, listener);
+    }
+  };
+  var d3_geo_streamGeometryType = {
+    Sphere: function(object, listener) {
+      listener.sphere();
+    },
+    Point: function(object, listener) {
+      var coordinate = object.coordinates;
+      listener.point(coordinate[0], coordinate[1]);
+    },
+    MultiPoint: function(object, listener) {
+      var coordinates = object.coordinates, i = -1, n = coordinates.length, coordinate;
+      while (++i < n) coordinate = coordinates[i], listener.point(coordinate[0], coordinate[1]);
+    },
+    LineString: function(object, listener) {
+      d3_geo_streamLine(object.coordinates, listener, 0);
+    },
+    MultiLineString: function(object, listener) {
+      var coordinates = object.coordinates, i = -1, n = coordinates.length;
+      while (++i < n) d3_geo_streamLine(coordinates[i], listener, 0);
+    },
+    Polygon: function(object, listener) {
+      d3_geo_streamPolygon(object.coordinates, listener);
+    },
+    MultiPolygon: function(object, listener) {
+      var coordinates = object.coordinates, i = -1, n = coordinates.length;
+      while (++i < n) d3_geo_streamPolygon(coordinates[i], listener);
+    },
+    GeometryCollection: function(object, listener) {
+      var geometries = object.geometries, i = -1, n = geometries.length;
+      while (++i < n) d3_geo_streamGeometry(geometries[i], listener);
+    }
+  };
+  function d3_geo_streamLine(coordinates, listener, closed) {
+    var i = -1, n = coordinates.length - closed, coordinate;
+    listener.lineStart();
+    while (++i < n) coordinate = coordinates[i], listener.point(coordinate[0], coordinate[1]);
+    listener.lineEnd();
+  }
+  function d3_geo_streamPolygon(coordinates, listener) {
+    var i = -1, n = coordinates.length;
+    listener.polygonStart();
+    while (++i < n) d3_geo_streamLine(coordinates[i], listener, 1);
+    listener.polygonEnd();
+  }
+  d3.geo.area = function(object) {
+    d3_geo_areaSum = 0;
+    d3.geo.stream(object, d3_geo_area);
+    return d3_geo_areaSum;
+  };
+  var d3_geo_areaSum, d3_geo_areaRingU, d3_geo_areaRingV;
+  var d3_geo_area = {
+    sphere: function() {
+      d3_geo_areaSum += 4 * π;
+    },
+    point: d3_noop,
+    lineStart: d3_noop,
+    lineEnd: d3_noop,
+    polygonStart: function() {
+      d3_geo_areaRingU = 1, d3_geo_areaRingV = 0;
+      d3_geo_area.lineStart = d3_geo_areaRingStart;
+    },
+    polygonEnd: function() {
+      var area = 2 * Math.atan2(d3_geo_areaRingV, d3_geo_areaRingU);
+      d3_geo_areaSum += area < 0 ? 4 * π + area : area;
+      d3_geo_area.lineStart = d3_geo_area.lineEnd = d3_geo_area.point = d3_noop;
+    }
+  };
+  function d3_geo_areaRingStart() {
+    var λ00, φ00, λ0, cosφ0, sinφ0;
+    d3_geo_area.point = function(λ, φ) {
+      d3_geo_area.point = nextPoint;
+      λ0 = (λ00 = λ) * d3_radians, cosφ0 = Math.cos(φ = (φ00 = φ) * d3_radians / 2 + π / 4), 
+      sinφ0 = Math.sin(φ);
+    };
+    function nextPoint(λ, φ) {
+      λ *= d3_radians;
+      φ = φ * d3_radians / 2 + π / 4;
+      var dλ = λ - λ0, cosφ = Math.cos(φ), sinφ = Math.sin(φ), k = sinφ0 * sinφ, u0 = d3_geo_areaRingU, v0 = d3_geo_areaRingV, u = cosφ0 * cosφ + k * Math.cos(dλ), v = k * Math.sin(dλ);
+      d3_geo_areaRingU = u0 * u - v0 * v;
+      d3_geo_areaRingV = v0 * u + u0 * v;
+      λ0 = λ, cosφ0 = cosφ, sinφ0 = sinφ;
+    }
+    d3_geo_area.lineEnd = function() {
+      nextPoint(λ00, φ00);
+    };
+  }
+  d3.geo.bounds = d3_geo_bounds(d3_identity);
+  function d3_geo_bounds(projectStream) {
+    var x0, y0, x1, y1;
+    var bound = {
+      point: boundPoint,
+      lineStart: d3_noop,
+      lineEnd: d3_noop,
+      polygonStart: function() {
+        bound.lineEnd = boundPolygonLineEnd;
+      },
+      polygonEnd: function() {
+        bound.point = boundPoint;
+      }
+    };
+    function boundPoint(x, y) {
+      if (x < x0) x0 = x;
+      if (x > x1) x1 = x;
+      if (y < y0) y0 = y;
+      if (y > y1) y1 = y;
+    }
+    function boundPolygonLineEnd() {
+      bound.point = bound.lineEnd = d3_noop;
+    }
+    return function(feature) {
+      y1 = x1 = -(x0 = y0 = Infinity);
+      d3.geo.stream(feature, projectStream(bound));
+      return [ [ x0, y0 ], [ x1, y1 ] ];
+    };
+  }
+  d3.geo.centroid = function(object) {
+    d3_geo_centroidDimension = d3_geo_centroidW = d3_geo_centroidX = d3_geo_centroidY = d3_geo_centroidZ = 0;
+    d3.geo.stream(object, d3_geo_centroid);
+    var m;
+    if (d3_geo_centroidW && Math.abs(m = Math.sqrt(d3_geo_centroidX * d3_geo_centroidX + d3_geo_centroidY * d3_geo_centroidY + d3_geo_centroidZ * d3_geo_centroidZ)) > ε) {
+      return [ Math.atan2(d3_geo_centroidY, d3_geo_centroidX) * d3_degrees, Math.asin(Math.max(-1, Math.min(1, d3_geo_centroidZ / m))) * d3_degrees ];
+    }
+  };
+  var d3_geo_centroidDimension, d3_geo_centroidW, d3_geo_centroidX, d3_geo_centroidY, d3_geo_centroidZ;
+  var d3_geo_centroid = {
+    sphere: function() {
+      if (d3_geo_centroidDimension < 2) {
+        d3_geo_centroidDimension = 2;
+        d3_geo_centroidW = d3_geo_centroidX = d3_geo_centroidY = d3_geo_centroidZ = 0;
+      }
+    },
+    point: d3_geo_centroidPoint,
+    lineStart: d3_geo_centroidLineStart,
+    lineEnd: d3_geo_centroidLineEnd,
+    polygonStart: function() {
+      if (d3_geo_centroidDimension < 2) {
+        d3_geo_centroidDimension = 2;
+        d3_geo_centroidW = d3_geo_centroidX = d3_geo_centroidY = d3_geo_centroidZ = 0;
+      }
+      d3_geo_centroid.lineStart = d3_geo_centroidRingStart;
+    },
+    polygonEnd: function() {
+      d3_geo_centroid.lineStart = d3_geo_centroidLineStart;
+    }
+  };
+  function d3_geo_centroidPoint(λ, φ) {
+    if (d3_geo_centroidDimension) return;
+    ++d3_geo_centroidW;
+    λ *= d3_radians;
+    var cosφ = Math.cos(φ *= d3_radians);
+    d3_geo_centroidX += (cosφ * Math.cos(λ) - d3_geo_centroidX) / d3_geo_centroidW;
+    d3_geo_centroidY += (cosφ * Math.sin(λ) - d3_geo_centroidY) / d3_geo_centroidW;
+    d3_geo_centroidZ += (Math.sin(φ) - d3_geo_centroidZ) / d3_geo_centroidW;
+  }
+  function d3_geo_centroidRingStart() {
+    var λ00, φ00;
+    d3_geo_centroidDimension = 1;
+    d3_geo_centroidLineStart();
+    d3_geo_centroidDimension = 2;
+    var linePoint = d3_geo_centroid.point;
+    d3_geo_centroid.point = function(λ, φ) {
+      linePoint(λ00 = λ, φ00 = φ);
+    };
+    d3_geo_centroid.lineEnd = function() {
+      d3_geo_centroid.point(λ00, φ00);
+      d3_geo_centroidLineEnd();
+      d3_geo_centroid.lineEnd = d3_geo_centroidLineEnd;
+    };
+  }
+  function d3_geo_centroidLineStart() {
+    var x0, y0, z0;
+    if (d3_geo_centroidDimension > 1) return;
+    if (d3_geo_centroidDimension < 1) {
+      d3_geo_centroidDimension = 1;
+      d3_geo_centroidW = d3_geo_centroidX = d3_geo_centroidY = d3_geo_centroidZ = 0;
+    }
+    d3_geo_centroid.point = function(λ, φ) {
+      λ *= d3_radians;
+      var cosφ = Math.cos(φ *= d3_radians);
+      x0 = cosφ * Math.cos(λ);
+      y0 = cosφ * Math.sin(λ);
+      z0 = Math.sin(φ);
+      d3_geo_centroid.point = nextPoint;
+    };
+    function nextPoint(λ, φ) {
+      λ *= d3_radians;
+      var cosφ = Math.cos(φ *= d3_radians), x = cosφ * Math.cos(λ), y = cosφ * Math.sin(λ), z = Math.sin(φ), w = Math.atan2(Math.sqrt((w = y0 * z - z0 * y) * w + (w = z0 * x - x0 * z) * w + (w = x0 * y - y0 * x) * w), x0 * x + y0 * y + z0 * z);
+      d3_geo_centroidW += w;
+      d3_geo_centroidX += w * (x0 + (x0 = x));
+      d3_geo_centroidY += w * (y0 + (y0 = y));
+      d3_geo_centroidZ += w * (z0 + (z0 = z));
+    }
+  }
+  function d3_geo_centroidLineEnd() {
+    d3_geo_centroid.point = d3_geo_centroidPoint;
+  }
+  function d3_geo_cartesian(spherical) {
+    var λ = spherical[0], φ = spherical[1], cosφ = Math.cos(φ);
+    return [ cosφ * Math.cos(λ), cosφ * Math.sin(λ), Math.sin(φ) ];
+  }
+  function d3_geo_cartesianDot(a, b) {
+    return a[0] * b[0] + a[1] * b[1] + a[2] * b[2];
+  }
+  function d3_geo_cartesianCross(a, b) {
+    return [ a[1] * b[2] - a[2] * b[1], a[2] * b[0] - a[0] * b[2], a[0] * b[1] - a[1] * b[0] ];
+  }
+  function d3_geo_cartesianAdd(a, b) {
+    a[0] += b[0];
+    a[1] += b[1];
+    a[2] += b[2];
+  }
+  function d3_geo_cartesianScale(vector, k) {
+    return [ vector[0] * k, vector[1] * k, vector[2] * k ];
+  }
+  function d3_geo_cartesianNormalize(d) {
+    var l = Math.sqrt(d[0] * d[0] + d[1] * d[1] + d[2] * d[2]);
+    d[0] /= l;
+    d[1] /= l;
+    d[2] /= l;
+  }
+  function d3_true() {
+    return true;
+  }
+  function d3_geo_spherical(cartesian) {
+    return [ Math.atan2(cartesian[1], cartesian[0]), Math.asin(Math.max(-1, Math.min(1, cartesian[2]))) ];
+  }
+  function d3_geo_sphericalEqual(a, b) {
+    return Math.abs(a[0] - b[0]) < ε && Math.abs(a[1] - b[1]) < ε;
+  }
+  function d3_geo_clipPolygon(segments, compare, inside, interpolate, listener) {
+    var subject = [], clip = [];
+    segments.forEach(function(segment) {
+      if ((n = segment.length - 1) <= 0) return;
+      var n, p0 = segment[0], p1 = segment[n];
+      if (d3_geo_sphericalEqual(p0, p1)) {
+        listener.lineStart();
+        for (var i = 0; i < n; ++i) listener.point((p0 = segment[i])[0], p0[1]);
+        listener.lineEnd();
+        return;
+      }
+      var a = {
+        point: p0,
+        points: segment,
+        other: null,
+        visited: false,
+        entry: true,
+        subject: true
+      }, b = {
+        point: p0,
+        points: [ p0 ],
+        other: a,
+        visited: false,
+        entry: false,
+        subject: false
+      };
+      a.other = b;
+      subject.push(a);
+      clip.push(b);
+      a = {
+        point: p1,
+        points: [ p1 ],
+        other: null,
+        visited: false,
+        entry: false,
+        subject: true
+      };
+      b = {
+        point: p1,
+        points: [ p1 ],
+        other: a,
+        visited: false,
+        entry: true,
+        subject: false
+      };
+      a.other = b;
+      subject.push(a);
+      clip.push(b);
+    });
+    clip.sort(compare);
+    d3_geo_clipPolygonLinkCircular(subject);
+    d3_geo_clipPolygonLinkCircular(clip);
+    if (!subject.length) return;
+    if (inside) for (var i = 1, e = !inside(clip[0].point), n = clip.length; i < n; ++i) {
+      clip[i].entry = e = !e;
+    }
+    var start = subject[0], current, points, point;
+    while (1) {
+      current = start;
+      while (current.visited) if ((current = current.next) === start) return;
+      points = current.points;
+      listener.lineStart();
+      do {
+        current.visited = current.other.visited = true;
+        if (current.entry) {
+          if (current.subject) {
+            for (var i = 0; i < points.length; i++) listener.point((point = points[i])[0], point[1]);
+          } else {
+            interpolate(current.point, current.next.point, 1, listener);
+          }
+          current = current.next;
+        } else {
+          if (current.subject) {
+            points = current.prev.points;
+            for (var i = points.length; --i >= 0; ) listener.point((point = points[i])[0], point[1]);
+          } else {
+            interpolate(current.point, current.prev.point, -1, listener);
+          }
+          current = current.prev;
+        }
+        current = current.other;
+        points = current.points;
+      } while (!current.visited);
+      listener.lineEnd();
+    }
+  }
+  function d3_geo_clipPolygonLinkCircular(array) {
+    if (!(n = array.length)) return;
+    var n, i = 0, a = array[0], b;
+    while (++i < n) {
+      a.next = b = array[i];
+      b.prev = a;
+      a = b;
+    }
+    a.next = b = array[0];
+    b.prev = a;
+  }
+  function d3_geo_clip(pointVisible, clipLine, interpolate) {
+    return function(listener) {
+      var line = clipLine(listener);
+      var clip = {
+        point: point,
+        lineStart: lineStart,
+        lineEnd: lineEnd,
+        polygonStart: function() {
+          clip.point = pointRing;
+          clip.lineStart = ringStart;
+          clip.lineEnd = ringEnd;
+          invisible = false;
+          invisibleArea = visibleArea = 0;
+          segments = [];
+          listener.polygonStart();
+        },
+        polygonEnd: function() {
+          clip.point = point;
+          clip.lineStart = lineStart;
+          clip.lineEnd = lineEnd;
+          segments = d3.merge(segments);
+          if (segments.length) {
+            d3_geo_clipPolygon(segments, d3_geo_clipSort, null, interpolate, listener);
+          } else if (visibleArea < -ε || invisible && invisibleArea < -ε) {
+            listener.lineStart();
+            interpolate(null, null, 1, listener);
+            listener.lineEnd();
+          }
+          listener.polygonEnd();
+          segments = null;
+        },
+        sphere: function() {
+          listener.polygonStart();
+          listener.lineStart();
+          interpolate(null, null, 1, listener);
+          listener.lineEnd();
+          listener.polygonEnd();
+        }
+      };
+      function point(λ, φ) {
+        if (pointVisible(λ, φ)) listener.point(λ, φ);
+      }
+      function pointLine(λ, φ) {
+        line.point(λ, φ);
+      }
+      function lineStart() {
+        clip.point = pointLine;
+        line.lineStart();
+      }
+      function lineEnd() {
+        clip.point = point;
+        line.lineEnd();
+      }
+      var segments, visibleArea, invisibleArea, invisible;
+      var buffer = d3_geo_clipBufferListener(), ringListener = clipLine(buffer), ring;
+      function pointRing(λ, φ) {
+        ringListener.point(λ, φ);
+        ring.push([ λ, φ ]);
+      }
+      function ringStart() {
+        ringListener.lineStart();
+        ring = [];
+      }
+      function ringEnd() {
+        pointRing(ring[0][0], ring[0][1]);
+        ringListener.lineEnd();
+        var clean = ringListener.clean(), ringSegments = buffer.buffer(), segment, n = ringSegments.length;
+        if (!n) {
+          invisible = true;
+          invisibleArea += d3_geo_clipAreaRing(ring, -1);
+          ring = null;
+          return;
+        }
+        ring = null;
+        if (clean & 1) {
+          segment = ringSegments[0];
+          visibleArea += d3_geo_clipAreaRing(segment, 1);
+          var n = segment.length - 1, i = -1, point;
+          listener.lineStart();
+          while (++i < n) listener.point((point = segment[i])[0], point[1]);
+          listener.lineEnd();
+          return;
+        }
+        if (n > 1 && clean & 2) ringSegments.push(ringSegments.pop().concat(ringSegments.shift()));
+        segments.push(ringSegments.filter(d3_geo_clipSegmentLength1));
+      }
+      return clip;
+    };
+  }
+  function d3_geo_clipSegmentLength1(segment) {
+    return segment.length > 1;
+  }
+  function d3_geo_clipBufferListener() {
+    var lines = [], line;
+    return {
+      lineStart: function() {
+        lines.push(line = []);
+      },
+      point: function(λ, φ) {
+        line.push([ λ, φ ]);
+      },
+      lineEnd: d3_noop,
+      buffer: function() {
+        var buffer = lines;
+        lines = [];
+        line = null;
+        return buffer;
+      },
+      rejoin: function() {
+        if (lines.length > 1) lines.push(lines.pop().concat(lines.shift()));
+      }
+    };
+  }
+  function d3_geo_clipAreaRing(ring, invisible) {
+    if (!(n = ring.length)) return 0;
+    var n, i = 0, area = 0, p = ring[0], λ = p[0], φ = p[1], cosφ = Math.cos(φ), x0 = Math.atan2(invisible * Math.sin(λ) * cosφ, Math.sin(φ)), y0 = 1 - invisible * Math.cos(λ) * cosφ, x1 = x0, x, y;
+    while (++i < n) {
+      p = ring[i];
+      cosφ = Math.cos(φ = p[1]);
+      x = Math.atan2(invisible * Math.sin(λ = p[0]) * cosφ, Math.sin(φ));
+      y = 1 - invisible * Math.cos(λ) * cosφ;
+      if (Math.abs(y0 - 2) < ε && Math.abs(y - 2) < ε) continue;
+      if (Math.abs(y) < ε || Math.abs(y0) < ε) {} else if (Math.abs(Math.abs(x - x0) - π) < ε) {
+        if (y + y0 > 2) area += 4 * (x - x0);
+      } else if (Math.abs(y0 - 2) < ε) area += 4 * (x - x1); else area += ((3 * π + x - x0) % (2 * π) - π) * (y0 + y);
+      x1 = x0, x0 = x, y0 = y;
+    }
+    return area;
+  }
+  function d3_geo_clipSort(a, b) {
+    return ((a = a.point)[0] < 0 ? a[1] - π / 2 - ε : π / 2 - a[1]) - ((b = b.point)[0] < 0 ? b[1] - π / 2 - ε : π / 2 - b[1]);
+  }
+  var d3_geo_clipAntimeridian = d3_geo_clip(d3_true, d3_geo_clipAntimeridianLine, d3_geo_clipAntimeridianInterpolate);
+  function d3_geo_clipAntimeridianLine(listener) {
+    var λ0 = NaN, φ0 = NaN, sλ0 = NaN, clean;
+    return {
+      lineStart: function() {
+        listener.lineStart();
+        clean = 1;
+      },
+      point: function(λ1, φ1) {
+        var sλ1 = λ1 > 0 ? π : -π, dλ = Math.abs(λ1 - λ0);
+        if (Math.abs(dλ - π) < ε) {
+          listener.point(λ0, φ0 = (φ0 + φ1) / 2 > 0 ? π / 2 : -π / 2);
+          listener.point(sλ0, φ0);
+          listener.lineEnd();
+          listener.lineStart();
+          listener.point(sλ1, φ0);
+          listener.point(λ1, φ0);
+          clean = 0;
+        } else if (sλ0 !== sλ1 && dλ >= π) {
+          if (Math.abs(λ0 - sλ0) < ε) λ0 -= sλ0 * ε;
+          if (Math.abs(λ1 - sλ1) < ε) λ1 -= sλ1 * ε;
+          φ0 = d3_geo_clipAntimeridianIntersect(λ0, φ0, λ1, φ1);
+          listener.point(sλ0, φ0);
+          listener.lineEnd();
+          listener.lineStart();
+          listener.point(sλ1, φ0);
+          clean = 0;
+        }
+        listener.point(λ0 = λ1, φ0 = φ1);
+        sλ0 = sλ1;
+      },
+      lineEnd: function() {
+        listener.lineEnd();
+        λ0 = φ0 = NaN;
+      },
+      clean: function() {
+        return 2 - clean;
+      }
+    };
+  }
+  function d3_geo_clipAntimeridianIntersect(λ0, φ0, λ1, φ1) {
+    var cosφ0, cosφ1, sinλ0_λ1 = Math.sin(λ0 - λ1);
+    return Math.abs(sinλ0_λ1) > ε ? Math.atan((Math.sin(φ0) * (cosφ1 = Math.cos(φ1)) * Math.sin(λ1) - Math.sin(φ1) * (cosφ0 = Math.cos(φ0)) * Math.sin(λ0)) / (cosφ0 * cosφ1 * sinλ0_λ1)) : (φ0 + φ1) / 2;
+  }
+  function d3_geo_clipAntimeridianInterpolate(from, to, direction, listener) {
+    var φ;
+    if (from == null) {
+      φ = direction * π / 2;
+      listener.point(-π, φ);
+      listener.point(0, φ);
+      listener.point(π, φ);
+      listener.point(π, 0);
+      listener.point(π, -φ);
+      listener.point(0, -φ);
+      listener.point(-π, -φ);
+      listener.point(-π, 0);
+      listener.point(-π, φ);
+    } else if (Math.abs(from[0] - to[0]) > ε) {
+      var s = (from[0] < to[0] ? 1 : -1) * π;
+      φ = direction * s / 2;
+      listener.point(-s, φ);
+      listener.point(0, φ);
+      listener.point(s, φ);
+    } else {
+      listener.point(to[0], to[1]);
+    }
+  }
+  function d3_geo_clipCircle(radius) {
+    var cr = Math.cos(radius), smallRadius = cr > 0, notHemisphere = Math.abs(cr) > ε, interpolate = d3_geo_circleInterpolate(radius, 6 * d3_radians);
+    return d3_geo_clip(visible, clipLine, interpolate);
+    function visible(λ, φ) {
+      return Math.cos(λ) * Math.cos(φ) > cr;
+    }
+    function clipLine(listener) {
+      var point0, c0, v0, v00, clean;
+      return {
+        lineStart: function() {
+          v00 = v0 = false;
+          clean = 1;
+        },
+        point: function(λ, φ) {
+          var point1 = [ λ, φ ], point2, v = visible(λ, φ), c = smallRadius ? v ? 0 : code(λ, φ) : v ? code(λ + (λ < 0 ? π : -π), φ) : 0;
+          if (!point0 && (v00 = v0 = v)) listener.lineStart();
+          if (v !== v0) {
+            point2 = intersect(point0, point1);
+            if (d3_geo_sphericalEqual(point0, point2) || d3_geo_sphericalEqual(point1, point2)) {
+              point1[0] += ε;
+              point1[1] += ε;
+              v = visible(point1[0], point1[1]);
+            }
+          }
+          if (v !== v0) {
+            clean = 0;
+            if (v) {
+              listener.lineStart();
+              point2 = intersect(point1, point0);
+              listener.point(point2[0], point2[1]);
+            } else {
+              point2 = intersect(point0, point1);
+              listener.point(point2[0], point2[1]);
+              listener.lineEnd();
+            }
+            point0 = point2;
+          } else if (notHemisphere && point0 && smallRadius ^ v) {
+            var t;
+            if (!(c & c0) && (t = intersect(point1, point0, true))) {
+              clean = 0;
+              if (smallRadius) {
+                listener.lineStart();
+                listener.point(t[0][0], t[0][1]);
+                listener.point(t[1][0], t[1][1]);
+                listener.lineEnd();
+              } else {
+                listener.point(t[1][0], t[1][1]);
+                listener.lineEnd();
+                listener.lineStart();
+                listener.point(t[0][0], t[0][1]);
+              }
+            }
+          }
+          if (v && (!point0 || !d3_geo_sphericalEqual(point0, point1))) {
+            listener.point(point1[0], point1[1]);
+          }
+          point0 = point1, v0 = v, c0 = c;
+        },
+        lineEnd: function() {
+          if (v0) listener.lineEnd();
+          point0 = null;
+        },
+        clean: function() {
+          return clean | (v00 && v0) << 1;
+        }
+      };
+    }
+    function intersect(a, b, two) {
+      var pa = d3_geo_cartesian(a), pb = d3_geo_cartesian(b);
+      var n1 = [ 1, 0, 0 ], n2 = d3_geo_cartesianCross(pa, pb), n2n2 = d3_geo_cartesianDot(n2, n2), n1n2 = n2[0], determinant = n2n2 - n1n2 * n1n2;
+      if (!determinant) return !two && a;
+      var c1 = cr * n2n2 / determinant, c2 = -cr * n1n2 / determinant, n1xn2 = d3_geo_cartesianCross(n1, n2), A = d3_geo_cartesianScale(n1, c1), B = d3_geo_cartesianScale(n2, c2);
+      d3_geo_cartesianAdd(A, B);
+      var u = n1xn2, w = d3_geo_cartesianDot(A, u), uu = d3_geo_cartesianDot(u, u), t2 = w * w - uu * (d3_geo_cartesianDot(A, A) - 1);
+      if (t2 < 0) return;
+      var t = Math.sqrt(t2), q = d3_geo_cartesianScale(u, (-w - t) / uu);
+      d3_geo_cartesianAdd(q, A);
+      q = d3_geo_spherical(q);
+      if (!two) return q;
+      var λ0 = a[0], λ1 = b[0], φ0 = a[1], φ1 = b[1], z;
+      if (λ1 < λ0) z = λ0, λ0 = λ1, λ1 = z;
+      var δλ = λ1 - λ0, polar = Math.abs(δλ - π) < ε, meridian = polar || δλ < ε;
+      if (!polar && φ1 < φ0) z = φ0, φ0 = φ1, φ1 = z;
+      if (meridian ? polar ? φ0 + φ1 > 0 ^ q[1] < (Math.abs(q[0] - λ0) < ε ? φ0 : φ1) : φ0 <= q[1] && q[1] <= φ1 : δλ > π ^ (λ0 <= q[0] && q[0] <= λ1)) {
+        var q1 = d3_geo_cartesianScale(u, (-w + t) / uu);
+        d3_geo_cartesianAdd(q1, A);
+        return [ q, d3_geo_spherical(q1) ];
+      }
+    }
+    function code(λ, φ) {
+      var r = smallRadius ? radius : π - radius, code = 0;
+      if (λ < -r) code |= 1; else if (λ > r) code |= 2;
+      if (φ < -r) code |= 4; else if (φ > r) code |= 8;
+      return code;
+    }
+  }
+  var d3_geo_clipViewMAX = 1e9;
+  function d3_geo_clipView(x0, y0, x1, y1) {
+    return function(listener) {
+      var listener_ = listener, bufferListener = d3_geo_clipBufferListener(), segments, polygon, ring;
+      var clip = {
+        point: point,
+        lineStart: lineStart,
+        lineEnd: lineEnd,
+        polygonStart: function() {
+          listener = bufferListener;
+          segments = [];
+          polygon = [];
+        },
+        polygonEnd: function() {
+          listener = listener_;
+          if ((segments = d3.merge(segments)).length) {
+            listener.polygonStart();
+            d3_geo_clipPolygon(segments, compare, inside, interpolate, listener);
+            listener.polygonEnd();
+          } else if (insidePolygon([ x0, y0 ])) {
+            listener.polygonStart(), listener.lineStart();
+            interpolate(null, null, 1, listener);
+            listener.lineEnd(), listener.polygonEnd();
+          }
+          segments = polygon = ring = null;
+        }
+      };
+      function inside(point) {
+        var a = corner(point, -1), i = insidePolygon([ a === 0 || a === 3 ? x0 : x1, a > 1 ? y1 : y0 ]);
+        return i;
+      }
+      function insidePolygon(p) {
+        var wn = 0, n = polygon.length, y = p[1];
+        for (var i = 0; i < n; ++i) {
+          for (var j = 1, v = polygon[i], m = v.length, a = v[0]; j < m; ++j) {
+            b = v[j];
+            if (a[1] <= y) {
+              if (b[1] > y && isLeft(a, b, p) > 0) ++wn;
+            } else {
+              if (b[1] <= y && isLeft(a, b, p) < 0) --wn;
+            }
+            a = b;
+          }
+        }
+        return wn !== 0;
+      }
+      function isLeft(a, b, c) {
+        return (b[0] - a[0]) * (c[1] - a[1]) - (c[0] - a[0]) * (b[1] - a[1]);
+      }
+      function interpolate(from, to, direction, listener) {
+        var a = 0, a1 = 0;
+        if (from == null || (a = corner(from, direction)) !== (a1 = corner(to, direction)) || comparePoints(from, to) < 0 ^ direction > 0) {
+          do {
+            listener.point(a === 0 || a === 3 ? x0 : x1, a > 1 ? y1 : y0);
+          } while ((a = (a + direction + 4) % 4) !== a1);
+        } else {
+          listener.point(to[0], to[1]);
+        }
+      }
+      function visible(x, y) {
+        return x0 <= x && x <= x1 && y0 <= y && y <= y1;
+      }
+      function point(x, y) {
+        if (visible(x, y)) listener.point(x, y);
+      }
+      var x__, y__, v__, x_, y_, v_, first;
+      function lineStart() {
+        clip.point = linePoint;
+        if (polygon) polygon.push(ring = []);
+        first = true;
+        v_ = false;
+        x_ = y_ = NaN;
+      }
+      function lineEnd() {
+        if (segments) {
+          linePoint(x__, y__);
+          if (v__ && v_) bufferListener.rejoin();
+          segments.push(bufferListener.buffer());
+        }
+        clip.point = point;
+        if (v_) listener.lineEnd();
+      }
+      function linePoint(x, y) {
+        x = Math.max(-d3_geo_clipViewMAX, Math.min(d3_geo_clipViewMAX, x));
+        y = Math.max(-d3_geo_clipViewMAX, Math.min(d3_geo_clipViewMAX, y));
+        var v = visible(x, y);
+        if (polygon) ring.push([ x, y ]);
+        if (first) {
+          x__ = x, y__ = y, v__ = v;
+          first = false;
+          if (v) {
+            listener.lineStart();
+            listener.point(x, y);
+          }
+        } else {
+          if (v && v_) listener.point(x, y); else {
+            var a = [ x_, y_ ], b = [ x, y ];
+            if (clipLine(a, b)) {
+              if (!v_) {
+                listener.lineStart();
+                listener.point(a[0], a[1]);
+              }
+              listener.point(b[0], b[1]);
+              if (!v) listener.lineEnd();
+            } else {
+              listener.lineStart();
+              listener.point(x, y);
+            }
+          }
+        }
+        x_ = x, y_ = y, v_ = v;
+      }
+      return clip;
+    };
+    function corner(p, direction) {
+      return Math.abs(p[0] - x0) < ε ? direction > 0 ? 0 : 3 : Math.abs(p[0] - x1) < ε ? direction > 0 ? 2 : 1 : Math.abs(p[1] - y0) < ε ? direction > 0 ? 1 : 0 : direction > 0 ? 3 : 2;
+    }
+    function compare(a, b) {
+      return comparePoints(a.point, b.point);
+    }
+    function comparePoints(a, b) {
+      var ca = corner(a, 1), cb = corner(b, 1);
+      return ca !== cb ? ca - cb : ca === 0 ? b[1] - a[1] : ca === 1 ? a[0] - b[0] : ca === 2 ? a[1] - b[1] : b[0] - a[0];
+    }
+    function clipLine(a, b) {
+      var dx = b[0] - a[0], dy = b[1] - a[1], t = [ 0, 1 ];
+      if (Math.abs(dx) < ε && Math.abs(dy) < ε) return x0 <= a[0] && a[0] <= x1 && y0 <= a[1] && a[1] <= y1;
+      if (d3_geo_clipViewT(x0 - a[0], dx, t) && d3_geo_clipViewT(a[0] - x1, -dx, t) && d3_geo_clipViewT(y0 - a[1], dy, t) && d3_geo_clipViewT(a[1] - y1, -dy, t)) {
+        if (t[1] < 1) {
+          b[0] = a[0] + t[1] * dx;
+          b[1] = a[1] + t[1] * dy;
+        }
+        if (t[0] > 0) {
+          a[0] += t[0] * dx;
+          a[1] += t[0] * dy;
+        }
+        return true;
+      }
+      return false;
+    }
+  }
+  function d3_geo_clipViewT(num, denominator, t) {
+    if (Math.abs(denominator) < ε) return num <= 0;
+    var u = num / denominator;
+    if (denominator > 0) {
+      if (u > t[1]) return false;
+      if (u > t[0]) t[0] = u;
+    } else {
+      if (u < t[0]) return false;
+      if (u < t[1]) t[1] = u;
+    }
+    return true;
+  }
+  function d3_geo_compose(a, b) {
+    function compose(x, y) {
+      return x = a(x, y), b(x[0], x[1]);
+    }
+    if (a.invert && b.invert) compose.invert = function(x, y) {
+      return x = b.invert(x, y), x && a.invert(x[0], x[1]);
+    };
+    return compose;
+  }
+  function d3_geo_resample(project) {
+    var δ2 = .5, maxDepth = 16;
+    function resample(stream) {
+      var λ0, x0, y0, a0, b0, c0;
+      var resample = {
+        point: point,
+        lineStart: lineStart,
+        lineEnd: lineEnd,
+        polygonStart: function() {
+          stream.polygonStart();
+          resample.lineStart = polygonLineStart;
+        },
+        polygonEnd: function() {
+          stream.polygonEnd();
+          resample.lineStart = lineStart;
+        }
+      };
+      function point(x, y) {
+        x = project(x, y);
+        stream.point(x[0], x[1]);
+      }
+      function lineStart() {
+        x0 = NaN;
+        resample.point = linePoint;
+        stream.lineStart();
+      }
+      function linePoint(λ, φ) {
+        var c = d3_geo_cartesian([ λ, φ ]), p = project(λ, φ);
+        resampleLineTo(x0, y0, λ0, a0, b0, c0, x0 = p[0], y0 = p[1], λ0 = λ, a0 = c[0], b0 = c[1], c0 = c[2], maxDepth, stream);
+        stream.point(x0, y0);
+      }
+      function lineEnd() {
+        resample.point = point;
+        stream.lineEnd();
+      }
+      function polygonLineStart() {
+        var λ00, φ00, x00, y00, a00, b00, c00;
+        lineStart();
+        resample.point = function(λ, φ) {
+          linePoint(λ00 = λ, φ00 = φ), x00 = x0, y00 = y0, a00 = a0, b00 = b0, c00 = c0;
+          resample.point = linePoint;
+        };
+        resample.lineEnd = function() {
+          resampleLineTo(x0, y0, λ0, a0, b0, c0, x00, y00, λ00, a00, b00, c00, maxDepth, stream);
+          resample.lineEnd = lineEnd;
+          lineEnd();
+        };
+      }
+      return resample;
+    }
+    function resampleLineTo(x0, y0, λ0, a0, b0, c0, x1, y1, λ1, a1, b1, c1, depth, stream) {
+      var dx = x1 - x0, dy = y1 - y0, d2 = dx * dx + dy * dy;
+      if (d2 > 4 * δ2 && depth--) {
+        var a = a0 + a1, b = b0 + b1, c = c0 + c1, m = Math.sqrt(a * a + b * b + c * c), φ2 = Math.asin(c /= m), λ2 = Math.abs(Math.abs(c) - 1) < ε ? (λ0 + λ1) / 2 : Math.atan2(b, a), p = project(λ2, φ2), x2 = p[0], y2 = p[1], dx2 = x2 - x0, dy2 = y2 - y0, dz = dy * dx2 - dx * dy2;
+        if (dz * dz / d2 > δ2 || Math.abs((dx * dx2 + dy * dy2) / d2 - .5) > .3) {
+          resampleLineTo(x0, y0, λ0, a0, b0, c0, x2, y2, λ2, a /= m, b /= m, c, depth, stream);
+          stream.point(x2, y2);
+          resampleLineTo(x2, y2, λ2, a, b, c, x1, y1, λ1, a1, b1, c1, depth, stream);
+        }
+      }
+    }
+    resample.precision = function(_) {
+      if (!arguments.length) return Math.sqrt(δ2);
+      maxDepth = (δ2 = _ * _) > 0 && 16;
+      return resample;
+    };
+    return resample;
+  }
+  d3.geo.projection = d3_geo_projection;
+  d3.geo.projectionMutator = d3_geo_projectionMutator;
+  function d3_geo_projection(project) {
+    return d3_geo_projectionMutator(function() {
+      return project;
+    })();
+  }
+  function d3_geo_projectionMutator(projectAt) {
+    var project, rotate, projectRotate, projectResample = d3_geo_resample(function(x, y) {
+      x = project(x, y);
+      return [ x[0] * k + δx, δy - x[1] * k ];
+    }), k = 150, x = 480, y = 250, λ = 0, φ = 0, δλ = 0, δφ = 0, δγ = 0, δx, δy, preclip = d3_geo_clipAntimeridian, postclip = d3_identity, clipAngle = null, clipExtent = null;
+    function projection(point) {
+      point = projectRotate(point[0] * d3_radians, point[1] * d3_radians);
+      return [ point[0] * k + δx, δy - point[1] * k ];
+    }
+    function invert(point) {
+      point = projectRotate.invert((point[0] - δx) / k, (δy - point[1]) / k);
+      return point && [ point[0] * d3_degrees, point[1] * d3_degrees ];
+    }
+    projection.stream = function(stream) {
+      return d3_geo_projectionRadiansRotate(rotate, preclip(projectResample(postclip(stream))));
+    };
+    projection.clipAngle = function(_) {
+      if (!arguments.length) return clipAngle;
+      preclip = _ == null ? (clipAngle = _, d3_geo_clipAntimeridian) : d3_geo_clipCircle((clipAngle = +_) * d3_radians);
+      return projection;
+    };
+    projection.clipExtent = function(_) {
+      if (!arguments.length) return clipExtent;
+      clipExtent = _;
+      postclip = _ == null ? d3_identity : d3_geo_clipView(_[0][0], _[0][1], _[1][0], _[1][1]);
+      return projection;
+    };
+    projection.scale = function(_) {
+      if (!arguments.length) return k;
+      k = +_;
+      return reset();
+    };
+    projection.translate = function(_) {
+      if (!arguments.length) return [ x, y ];
+      x = +_[0];
+      y = +_[1];
+      return reset();
+    };
+    projection.center = function(_) {
+      if (!arguments.length) return [ λ * d3_degrees, φ * d3_degrees ];
+      λ = _[0] % 360 * d3_radians;
+      φ = _[1] % 360 * d3_radians;
+      return reset();
+    };
+    projection.rotate = function(_) {
+      if (!arguments.length) return [ δλ * d3_degrees, δφ * d3_degrees, δγ * d3_degrees ];
+      δλ = _[0] % 360 * d3_radians;
+      δφ = _[1] % 360 * d3_radians;
+      δγ = _.length > 2 ? _[2] % 360 * d3_radians : 0;
+      return reset();
+    };
+    d3.rebind(projection, projectResample, "precision");
+    function reset() {
+      projectRotate = d3_geo_compose(rotate = d3_geo_rotation(δλ, δφ, δγ), project);
+      var center = project(λ, φ);
+      δx = x - center[0] * k;
+      δy = y + center[1] * k;
+      return projection;
+    }
+    return function() {
+      project = projectAt.apply(this, arguments);
+      projection.invert = project.invert && invert;
+      return reset();
+    };
+  }
+  function d3_geo_projectionRadiansRotate(rotate, stream) {
+    return {
+      point: function(x, y) {
+        y = rotate(x * d3_radians, y * d3_radians), x = y[0];
+        stream.point(x > π ? x - 2 * π : x < -π ? x + 2 * π : x, y[1]);
+      },
+      sphere: function() {
+        stream.sphere();
+      },
+      lineStart: function() {
+        stream.lineStart();
+      },
+      lineEnd: function() {
+        stream.lineEnd();
+      },
+      polygonStart: function() {
+        stream.polygonStart();
+      },
+      polygonEnd: function() {
+        stream.polygonEnd();
+      }
+    };
+  }
+  function d3_geo_equirectangular(λ, φ) {
+    return [ λ, φ ];
+  }
+  (d3.geo.equirectangular = function() {
+    return d3_geo_projection(d3_geo_equirectangular);
+  }).raw = d3_geo_equirectangular.invert = d3_geo_equirectangular;
+  d3.geo.rotation = function(rotate) {
+    rotate = d3_geo_rotation(rotate[0] % 360 * d3_radians, rotate[1] * d3_radians, rotate.length > 2 ? rotate[2] * d3_radians : 0);
+    function forward(coordinates) {
+      coordinates = rotate(coordinates[0] * d3_radians, coordinates[1] * d3_radians);
+      return coordinates[0] *= d3_degrees, coordinates[1] *= d3_degrees, coordinates;
+    }
+    forward.invert = function(coordinates) {
+      coordinates = rotate.invert(coordinates[0] * d3_radians, coordinates[1] * d3_radians);
+      return coordinates[0] *= d3_degrees, coordinates[1] *= d3_degrees, coordinates;
+    };
+    return forward;
+  };
+  function d3_geo_rotation(δλ, δφ, δγ) {
+    return δλ ? δφ || δγ ? d3_geo_compose(d3_geo_rotationλ(δλ), d3_geo_rotationφγ(δφ, δγ)) : d3_geo_rotationλ(δλ) : δφ || δγ ? d3_geo_rotationφγ(δφ, δγ) : d3_geo_equirectangular;
+  }
+  function d3_geo_forwardRotationλ(δλ) {
+    return function(λ, φ) {
+      return λ += δλ, [ λ > π ? λ - 2 * π : λ < -π ? λ + 2 * π : λ, φ ];
+    };
+  }
+  function d3_geo_rotationλ(δλ) {
+    var rotation = d3_geo_forwardRotationλ(δλ);
+    rotation.invert = d3_geo_forwardRotationλ(-δλ);
+    return rotation;
+  }
+  function d3_geo_rotationφγ(δφ, δγ) {
+    var cosδφ = Math.cos(δφ), sinδφ = Math.sin(δφ), cosδγ = Math.cos(δγ), sinδγ = Math.sin(δγ);
+    function rotation(λ, φ) {
+      var cosφ = Math.cos(φ), x = Math.cos(λ) * cosφ, y = Math.sin(λ) * cosφ, z = Math.sin(φ), k = z * cosδφ + x * sinδφ;
+      return [ Math.atan2(y * cosδγ - k * sinδγ, x * cosδφ - z * sinδφ), Math.asin(Math.max(-1, Math.min(1, k * cosδγ + y * sinδγ))) ];
+    }
+    rotation.invert = function(λ, φ) {
+      var cosφ = Math.cos(φ), x = Math.cos(λ) * cosφ, y = Math.sin(λ) * cosφ, z = Math.sin(φ), k = z * cosδγ - y * sinδγ;
+      return [ Math.atan2(y * cosδγ + z * sinδγ, x * cosδφ + k * sinδφ), Math.asin(Math.max(-1, Math.min(1, k * cosδφ - x * sinδφ))) ];
+    };
+    return rotation;
+  }
+  d3.geo.circle = function() {
+    var origin = [ 0, 0 ], angle, precision = 6, interpolate;
+    function circle() {
+      var center = typeof origin === "function" ? origin.apply(this, arguments) : origin, rotate = d3_geo_rotation(-center[0] * d3_radians, -center[1] * d3_radians, 0).invert, ring = [];
+      interpolate(null, null, 1, {
+        point: function(x, y) {
+          ring.push(x = rotate(x, y));
+          x[0] *= d3_degrees, x[1] *= d3_degrees;
+        }
+      });
+      return {
+        type: "Polygon",
+        coordinates: [ ring ]
+      };
+    }
+    circle.origin = function(x) {
+      if (!arguments.length) return origin;
+      origin = x;
+      return circle;
+    };
+    circle.angle = function(x) {
+      if (!arguments.length) return angle;
+      interpolate = d3_geo_circleInterpolate((angle = +x) * d3_radians, precision * d3_radians);
+      return circle;
+    };
+    circle.precision = function(_) {
+      if (!arguments.length) return precision;
+      interpolate = d3_geo_circleInterpolate(angle * d3_radians, (precision = +_) * d3_radians);
+      return circle;
+    };
+    return circle.angle(90);
+  };
+  function d3_geo_circleInterpolate(radius, precision) {
+    var cr = Math.cos(radius), sr = Math.sin(radius);
+    return function(from, to, direction, listener) {
+      if (from != null) {
+        from = d3_geo_circleAngle(cr, from);
+        to = d3_geo_circleAngle(cr, to);
+        if (direction > 0 ? from < to : from > to) from += direction * 2 * π;
+      } else {
+        from = radius + direction * 2 * π;
+        to = radius;
+      }
+      var point;
+      for (var step = direction * precision, t = from; direction > 0 ? t > to : t < to; t -= step) {
+        listener.point((point = d3_geo_spherical([ cr, -sr * Math.cos(t), -sr * Math.sin(t) ]))[0], point[1]);
+      }
+    };
+  }
+  function d3_geo_circleAngle(cr, point) {
+    var a = d3_geo_cartesian(point);
+    a[0] -= cr;
+    d3_geo_cartesianNormalize(a);
+    var angle = d3_acos(-a[1]);
+    return ((-a[2] < 0 ? -angle : angle) + 2 * Math.PI - ε) % (2 * Math.PI);
+  }
+  d3.geo.distance = function(a, b) {
+    var Δλ = (b[0] - a[0]) * d3_radians, φ0 = a[1] * d3_radians, φ1 = b[1] * d3_radians, sinΔλ = Math.sin(Δλ), cosΔλ = Math.cos(Δλ), sinφ0 = Math.sin(φ0), cosφ0 = Math.cos(φ0), sinφ1 = Math.sin(φ1), cosφ1 = Math.cos(φ1), t;
+    return Math.atan2(Math.sqrt((t = cosφ1 * sinΔλ) * t + (t = cosφ0 * sinφ1 - sinφ0 * cosφ1 * cosΔλ) * t), sinφ0 * sinφ1 + cosφ0 * cosφ1 * cosΔλ);
+  };
+  d3.geo.graticule = function() {
+    var x1, x0, X1, X0, y1, y0, Y1, Y0, dx = 10, dy = dx, DX = 90, DY = 360, x, y, X, Y, precision = 2.5;
+    function graticule() {
+      return {
+        type: "MultiLineString",
+        coordinates: lines()
+      };
+    }
+    function lines() {
+      return d3.range(Math.ceil(X0 / DX) * DX, X1, DX).map(X).concat(d3.range(Math.ceil(Y0 / DY) * DY, Y1, DY).map(Y)).concat(d3.range(Math.ceil(x0 / dx) * dx, x1, dx).filter(function(x) {
+        return Math.abs(x % DX) > ε;
+      }).map(x)).concat(d3.range(Math.ceil(y0 / dy) * dy, y1, dy).filter(function(y) {
+        return Math.abs(y % DY) > ε;
+      }).map(y));
+    }
+    graticule.lines = function() {
+      return lines().map(function(coordinates) {
+        return {
+          type: "LineString",
+          coordinates: coordinates
+        };
+      });
+    };
+    graticule.outline = function() {
+      return {
+        type: "Polygon",
+        coordinates: [ X(X0).concat(Y(Y1).slice(1), X(X1).reverse().slice(1), Y(Y0).reverse().slice(1)) ]
+      };
+    };
+    graticule.extent = function(_) {
+      if (!arguments.length) return graticule.minorExtent();
+      return graticule.majorExtent(_).minorExtent(_);
+    };
+    graticule.majorExtent = function(_) {
+      if (!arguments.length) return [ [ X0, Y0 ], [ X1, Y1 ] ];
+      X0 = +_[0][0], X1 = +_[1][0];
+      Y0 = +_[0][1], Y1 = +_[1][1];
+      if (X0 > X1) _ = X0, X0 = X1, X1 = _;
+      if (Y0 > Y1) _ = Y0, Y0 = Y1, Y1 = _;
+      return graticule.precision(precision);
+    };
+    graticule.minorExtent = function(_) {
+      if (!arguments.length) return [ [ x0, y0 ], [ x1, y1 ] ];
+      x0 = +_[0][0], x1 = +_[1][0];
+      y0 = +_[0][1], y1 = +_[1][1];
+      if (x0 > x1) _ = x0, x0 = x1, x1 = _;
+      if (y0 > y1) _ = y0, y0 = y1, y1 = _;
+      return graticule.precision(precision);
+    };
+    graticule.step = function(_) {
+      if (!arguments.length) return graticule.minorStep();
+      return graticule.majorStep(_).minorStep(_);
+    };
+    graticule.majorStep = function(_) {
+      if (!arguments.length) return [ DX, DY ];
+      DX = +_[0], DY = +_[1];
+      return graticule;
+    };
+    graticule.minorStep = function(_) {
+      if (!arguments.length) return [ dx, dy ];
+      dx = +_[0], dy = +_[1];
+      return graticule;
+    };
+    graticule.precision = function(_) {
+      if (!arguments.length) return precision;
+      precision = +_;
+      x = d3_geo_graticuleX(y0, y1, 90);
+      y = d3_geo_graticuleY(x0, x1, precision);
+      X = d3_geo_graticuleX(Y0, Y1, 90);
+      Y = d3_geo_graticuleY(X0, X1, precision);
+      return graticule;
+    };
+    return graticule.majorExtent([ [ -180, -90 + ε ], [ 180, 90 - ε ] ]).minorExtent([ [ -180, -80 - ε ], [ 180, 80 + ε ] ]);
+  };
+  function d3_geo_graticuleX(y0, y1, dy) {
+    var y = d3.range(y0, y1 - ε, dy).concat(y1);
+    return function(x) {
+      return y.map(function(y) {
+        return [ x, y ];
+      });
+    };
+  }
+  function d3_geo_graticuleY(x0, x1, dx) {
+    var x = d3.range(x0, x1 - ε, dx).concat(x1);
+    return function(y) {
+      return x.map(function(x) {
+        return [ x, y ];
+      });
+    };
+  }
+  function d3_source(d) {
+    return d.source;
+  }
+  function d3_target(d) {
+    return d.target;
+  }
+  d3.geo.greatArc = function() {
+    var source = d3_source, source_, target = d3_target, target_;
+    function greatArc() {
+      return {
+        type: "LineString",
+        coordinates: [ source_ || source.apply(this, arguments), target_ || target.apply(this, arguments) ]
+      };
+    }
+    greatArc.distance = function() {
+      return d3.geo.distance(source_ || source.apply(this, arguments), target_ || target.apply(this, arguments));
+    };
+    greatArc.source = function(_) {
+      if (!arguments.length) return source;
+      source = _, source_ = typeof _ === "function" ? null : _;
+      return greatArc;
+    };
+    greatArc.target = function(_) {
+      if (!arguments.length) return target;
+      target = _, target_ = typeof _ === "function" ? null : _;
+      return greatArc;
+    };
+    greatArc.precision = function() {
+      return arguments.length ? greatArc : 0;
+    };
+    return greatArc;
+  };
+  d3.geo.interpolate = function(source, target) {
+    return d3_geo_interpolate(source[0] * d3_radians, source[1] * d3_radians, target[0] * d3_radians, target[1] * d3_radians);
+  };
+  function d3_geo_interpolate(x0, y0, x1, y1) {
+    var cy0 = Math.cos(y0), sy0 = Math.sin(y0), cy1 = Math.cos(y1), sy1 = Math.sin(y1), kx0 = cy0 * Math.cos(x0), ky0 = cy0 * Math.sin(x0), kx1 = cy1 * Math.cos(x1), ky1 = cy1 * Math.sin(x1), d = 2 * Math.asin(Math.sqrt(d3_haversin(y1 - y0) + cy0 * cy1 * d3_haversin(x1 - x0))), k = 1 / Math.sin(d);
+    var interpolate = d ? function(t) {
+      var B = Math.sin(t *= d) * k, A = Math.sin(d - t) * k, x = A * kx0 + B * kx1, y = A * ky0 + B * ky1, z = A * sy0 + B * sy1;
+      return [ Math.atan2(y, x) * d3_degrees, Math.atan2(z, Math.sqrt(x * x + y * y)) * d3_degrees ];
+    } : function() {
+      return [ x0 * d3_degrees, y0 * d3_degrees ];
+    };
+    interpolate.distance = d;
+    return interpolate;
+  }
+  d3.geo.length = function(object) {
+    d3_geo_lengthSum = 0;
+    d3.geo.stream(object, d3_geo_length);
+    return d3_geo_lengthSum;
+  };
+  var d3_geo_lengthSum;
+  var d3_geo_length = {
+    sphere: d3_noop,
+    point: d3_noop,
+    lineStart: d3_geo_lengthLineStart,
+    lineEnd: d3_noop,
+    polygonStart: d3_noop,
+    polygonEnd: d3_noop
+  };
+  function d3_geo_lengthLineStart() {
+    var λ0, sinφ0, cosφ0;
+    d3_geo_length.point = function(λ, φ) {
+      λ0 = λ * d3_radians, sinφ0 = Math.sin(φ *= d3_radians), cosφ0 = Math.cos(φ);
+      d3_geo_length.point = nextPoint;
+    };
+    d3_geo_length.lineEnd = function() {
+      d3_geo_length.point = d3_geo_length.lineEnd = d3_noop;
+    };
+    function nextPoint(λ, φ) {
+      var sinφ = Math.sin(φ *= d3_radians), cosφ = Math.cos(φ), t = Math.abs((λ *= d3_radians) - λ0), cosΔλ = Math.cos(t);
+      d3_geo_lengthSum += Math.atan2(Math.sqrt((t = cosφ * Math.sin(t)) * t + (t = cosφ0 * sinφ - sinφ0 * cosφ * cosΔλ) * t), sinφ0 * sinφ + cosφ0 * cosφ * cosΔλ);
+      λ0 = λ, sinφ0 = sinφ, cosφ0 = cosφ;
+    }
+  }
+  function d3_geo_conic(projectAt) {
+    var φ0 = 0, φ1 = π / 3, m = d3_geo_projectionMutator(projectAt), p = m(φ0, φ1);
+    p.parallels = function(_) {
+      if (!arguments.length) return [ φ0 / π * 180, φ1 / π * 180 ];
+      return m(φ0 = _[0] * π / 180, φ1 = _[1] * π / 180);
+    };
+    return p;
+  }
+  function d3_geo_conicEqualArea(φ0, φ1) {
+    var sinφ0 = Math.sin(φ0), n = (sinφ0 + Math.sin(φ1)) / 2, C = 1 + sinφ0 * (2 * n - sinφ0), ρ0 = Math.sqrt(C) / n;
+    function forward(λ, φ) {
+      var ρ = Math.sqrt(C - 2 * n * Math.sin(φ)) / n;
+      return [ ρ * Math.sin(λ *= n), ρ0 - ρ * Math.cos(λ) ];
+    }
+    forward.invert = function(x, y) {
+      var ρ0_y = ρ0 - y;
+      return [ Math.atan2(x, ρ0_y) / n, Math.asin((C - (x * x + ρ0_y * ρ0_y) * n * n) / (2 * n)) ];
+    };
+    return forward;
+  }
+  (d3.geo.conicEqualArea = function() {
+    return d3_geo_conic(d3_geo_conicEqualArea);
+  }).raw = d3_geo_conicEqualArea;
+  d3.geo.albersUsa = function() {
+    var lower48 = d3.geo.conicEqualArea().rotate([ 98, 0 ]).center([ 0, 38 ]).parallels([ 29.5, 45.5 ]);
+    var alaska = d3.geo.conicEqualArea().rotate([ 160, 0 ]).center([ 0, 60 ]).parallels([ 55, 65 ]);
+    var hawaii = d3.geo.conicEqualArea().rotate([ 160, 0 ]).center([ 0, 20 ]).parallels([ 8, 18 ]);
+    var puertoRico = d3.geo.conicEqualArea().rotate([ 60, 0 ]).center([ 0, 10 ]).parallels([ 8, 18 ]);
+    var alaskaInvert, hawaiiInvert, puertoRicoInvert;
+    function albersUsa(coordinates) {
+      return projection(coordinates)(coordinates);
+    }
+    function projection(point) {
+      var lon = point[0], lat = point[1];
+      return lat > 50 ? alaska : lon < -140 ? hawaii : lat < 21 ? puertoRico : lower48;
+    }
+    albersUsa.invert = function(coordinates) {
+      return alaskaInvert(coordinates) || hawaiiInvert(coordinates) || puertoRicoInvert(coordinates) || lower48.invert(coordinates);
+    };
+    albersUsa.scale = function(x) {
+      if (!arguments.length) return lower48.scale();
+      lower48.scale(x);
+      alaska.scale(x * .6);
+      hawaii.scale(x);
+      puertoRico.scale(x * 1.5);
+      return albersUsa.translate(lower48.translate());
+    };
+    albersUsa.translate = function(x) {
+      if (!arguments.length) return lower48.translate();
+      var dz = lower48.scale(), dx = x[0], dy = x[1];
+      lower48.translate(x);
+      alaska.translate([ dx - .4 * dz, dy + .17 * dz ]);
+      hawaii.translate([ dx - .19 * dz, dy + .2 * dz ]);
+      puertoRico.translate([ dx + .58 * dz, dy + .43 * dz ]);
+      alaskaInvert = d3_geo_albersUsaInvert(alaska, [ [ -180, 50 ], [ -130, 72 ] ]);
+      hawaiiInvert = d3_geo_albersUsaInvert(hawaii, [ [ -164, 18 ], [ -154, 24 ] ]);
+      puertoRicoInvert = d3_geo_albersUsaInvert(puertoRico, [ [ -67.5, 17.5 ], [ -65, 19 ] ]);
+      return albersUsa;
+    };
+    return albersUsa.scale(1e3);
+  };
+  function d3_geo_albersUsaInvert(projection, extent) {
+    var a = projection(extent[0]), b = projection([ .5 * (extent[0][0] + extent[1][0]), extent[0][1] ]), c = projection([ extent[1][0], extent[0][1] ]), d = projection(extent[1]);
+    var dya = b[1] - a[1], dxa = b[0] - a[0], dyb = c[1] - b[1], dxb = c[0] - b[0];
+    var ma = dya / dxa, mb = dyb / dxb;
+    var cx = .5 * (ma * mb * (a[1] - c[1]) + mb * (a[0] + b[0]) - ma * (b[0] + c[0])) / (mb - ma), cy = (.5 * (a[0] + b[0]) - cx) / ma + .5 * (a[1] + b[1]);
+    var dx0 = d[0] - cx, dy0 = d[1] - cy, dx1 = a[0] - cx, dy1 = a[1] - cy, r0 = dx0 * dx0 + dy0 * dy0, r1 = dx1 * dx1 + dy1 * dy1;
+    var a0 = Math.atan2(dy0, dx0), a1 = Math.atan2(dy1, dx1);
+    return function(coordinates) {
+      var dx = coordinates[0] - cx, dy = coordinates[1] - cy, r = dx * dx + dy * dy, a = Math.atan2(dy, dx);
+      if (r0 < r && r < r1 && a0 < a && a < a1) return projection.invert(coordinates);
+    };
+  }
+  var d3_geo_pathAreaSum, d3_geo_pathAreaPolygon, d3_geo_pathArea = {
+    point: d3_noop,
+    lineStart: d3_noop,
+    lineEnd: d3_noop,
+    polygonStart: function() {
+      d3_geo_pathAreaPolygon = 0;
+      d3_geo_pathArea.lineStart = d3_geo_pathAreaRingStart;
+    },
+    polygonEnd: function() {
+      d3_geo_pathArea.lineStart = d3_geo_pathArea.lineEnd = d3_geo_pathArea.point = d3_noop;
+      d3_geo_pathAreaSum += Math.abs(d3_geo_pathAreaPolygon / 2);
+    }
+  };
+  function d3_geo_pathAreaRingStart() {
+    var x00, y00, x0, y0;
+    d3_geo_pathArea.point = function(x, y) {
+      d3_geo_pathArea.point = nextPoint;
+      x00 = x0 = x, y00 = y0 = y;
+    };
+    function nextPoint(x, y) {
+      d3_geo_pathAreaPolygon += y0 * x - x0 * y;
+      x0 = x, y0 = y;
+    }
+    d3_geo_pathArea.lineEnd = function() {
+      nextPoint(x00, y00);
+    };
+  }
+  function d3_geo_pathBuffer() {
+    var pointCircle = d3_geo_pathCircle(4.5), buffer = [];
+    var stream = {
+      point: point,
+      lineStart: function() {
+        stream.point = pointLineStart;
+      },
+      lineEnd: lineEnd,
+      polygonStart: function() {
+        stream.lineEnd = lineEndPolygon;
+      },
+      polygonEnd: function() {
+        stream.lineEnd = lineEnd;
+        stream.point = point;
+      },
+      pointRadius: function(_) {
+        pointCircle = d3_geo_pathCircle(_);
+        return stream;
+      },
+      result: function() {
+        if (buffer.length) {
+          var result = buffer.join("");
+          buffer = [];
+          return result;
+        }
+      }
+    };
+    function point(x, y) {
+      buffer.push("M", x, ",", y, pointCircle);
+    }
+    function pointLineStart(x, y) {
+      buffer.push("M", x, ",", y);
+      stream.point = pointLine;
+    }
+    function pointLine(x, y) {
+      buffer.push("L", x, ",", y);
+    }
+    function lineEnd() {
+      stream.point = point;
+    }
+    function lineEndPolygon() {
+      buffer.push("Z");
+    }
+    return stream;
+  }
+  var d3_geo_pathCentroid = {
+    point: d3_geo_pathCentroidPoint,
+    lineStart: d3_geo_pathCentroidLineStart,
+    lineEnd: d3_geo_pathCentroidLineEnd,
+    polygonStart: function() {
+      d3_geo_pathCentroid.lineStart = d3_geo_pathCentroidRingStart;
+    },
+    polygonEnd: function() {
+      d3_geo_pathCentroid.point = d3_geo_pathCentroidPoint;
+      d3_geo_pathCentroid.lineStart = d3_geo_pathCentroidLineStart;
+      d3_geo_pathCentroid.lineEnd = d3_geo_pathCentroidLineEnd;
+    }
+  };
+  function d3_geo_pathCentroidPoint(x, y) {
+    if (d3_geo_centroidDimension) return;
+    d3_geo_centroidX += x;
+    d3_geo_centroidY += y;
+    ++d3_geo_centroidZ;
+  }
+  function d3_geo_pathCentroidLineStart() {
+    var x0, y0;
+    if (d3_geo_centroidDimension !== 1) {
+      if (d3_geo_centroidDimension < 1) {
+        d3_geo_centroidDimension = 1;
+        d3_geo_centroidX = d3_geo_centroidY = d3_geo_centroidZ = 0;
+      } else return;
+    }
+    d3_geo_pathCentroid.point = function(x, y) {
+      d3_geo_pathCentroid.point = nextPoint;
+      x0 = x, y0 = y;
+    };
+    function nextPoint(x, y) {
+      var dx = x - x0, dy = y - y0, z = Math.sqrt(dx * dx + dy * dy);
+      d3_geo_centroidX += z * (x0 + x) / 2;
+      d3_geo_centroidY += z * (y0 + y) / 2;
+      d3_geo_centroidZ += z;
+      x0 = x, y0 = y;
+    }
+  }
+  function d3_geo_pathCentroidLineEnd() {
+    d3_geo_pathCentroid.point = d3_geo_pathCentroidPoint;
+  }
+  function d3_geo_pathCentroidRingStart() {
+    var x00, y00, x0, y0;
+    if (d3_geo_centroidDimension < 2) {
+      d3_geo_centroidDimension = 2;
+      d3_geo_centroidX = d3_geo_centroidY = d3_geo_centroidZ = 0;
+    }
+    d3_geo_pathCentroid.point = function(x, y) {
+      d3_geo_pathCentroid.point = nextPoint;
+      x00 = x0 = x, y00 = y0 = y;
+    };
+    function nextPoint(x, y) {
+      var z = y0 * x - x0 * y;
+      d3_geo_centroidX += z * (x0 + x);
+      d3_geo_centroidY += z * (y0 + y);
+      d3_geo_centroidZ += z * 3;
+      x0 = x, y0 = y;
+    }
+    d3_geo_pathCentroid.lineEnd = function() {
+      nextPoint(x00, y00);
+    };
+  }
+  function d3_geo_pathContext(context) {
+    var pointRadius = 4.5;
+    var stream = {
+      point: point,
+      lineStart: function() {
+        stream.point = pointLineStart;
+      },
+      lineEnd: lineEnd,
+      polygonStart: function() {
+        stream.lineEnd = lineEndPolygon;
+      },
+      polygonEnd: function() {
+        stream.lineEnd = lineEnd;
+        stream.point = point;
+      },
+      pointRadius: function(_) {
+        pointRadius = _;
+        return stream;
+      },
+      result: d3_noop
+    };
+    function point(x, y) {
+      context.moveTo(x, y);
+      context.arc(x, y, pointRadius, 0, 2 * π);
+    }
+    function pointLineStart(x, y) {
+      context.moveTo(x, y);
+      stream.point = pointLine;
+    }
+    function pointLine(x, y) {
+      context.lineTo(x, y);
+    }
+    function lineEnd() {
+      stream.point = point;
+    }
+    function lineEndPolygon() {
+      context.closePath();
+    }
+    return stream;
+  }
+  d3.geo.path = function() {
+    var pointRadius = 4.5, projection, context, projectStream, contextStream;
+    function path(object) {
+      if (object) d3.geo.stream(object, projectStream(contextStream.pointRadius(typeof pointRadius === "function" ? +pointRadius.apply(this, arguments) : pointRadius)));
+      return contextStream.result();
+    }
+    path.area = function(object) {
+      d3_geo_pathAreaSum = 0;
+      d3.geo.stream(object, projectStream(d3_geo_pathArea));
+      return d3_geo_pathAreaSum;
+    };
+    path.centroid = function(object) {
+      d3_geo_centroidDimension = d3_geo_centroidX = d3_geo_centroidY = d3_geo_centroidZ = 0;
+      d3.geo.stream(object, projectStream(d3_geo_pathCentroid));
+      return d3_geo_centroidZ ? [ d3_geo_centroidX / d3_geo_centroidZ, d3_geo_centroidY / d3_geo_centroidZ ] : undefined;
+    };
+    path.bounds = function(object) {
+      return d3_geo_bounds(projectStream)(object);
+    };
+    path.projection = function(_) {
+      if (!arguments.length) return projection;
+      projectStream = (projection = _) ? _.stream || d3_geo_pathProjectStream(_) : d3_identity;
+      return path;
+    };
+    path.context = function(_) {
+      if (!arguments.length) return context;
+      contextStream = (context = _) == null ? new d3_geo_pathBuffer() : new d3_geo_pathContext(_);
+      return path;
+    };
+    path.pointRadius = function(_) {
+      if (!arguments.length) return pointRadius;
+      pointRadius = typeof _ === "function" ? _ : +_;
+      return path;
+    };
+    return path.projection(d3.geo.albersUsa()).context(null);
+  };
+  function d3_geo_pathCircle(radius) {
+    return "m0," + radius + "a" + radius + "," + radius + " 0 1,1 0," + -2 * radius + "a" + radius + "," + radius + " 0 1,1 0," + +2 * radius + "z";
+  }
+  function d3_geo_pathProjectStream(project) {
+    var resample = d3_geo_resample(function(λ, φ) {
+      return project([ λ * d3_degrees, φ * d3_degrees ]);
+    });
+    return function(stream) {
+      stream = resample(stream);
+      return {
+        point: function(λ, φ) {
+          stream.point(λ * d3_radians, φ * d3_radians);
+        },
+        sphere: function() {
+          stream.sphere();
+        },
+        lineStart: function() {
+          stream.lineStart();
+        },
+        lineEnd: function() {
+          stream.lineEnd();
+        },
+        polygonStart: function() {
+          stream.polygonStart();
+        },
+        polygonEnd: function() {
+          stream.polygonEnd();
+        }
+      };
+    };
+  }
+  d3.geo.albers = function() {
+    return d3.geo.conicEqualArea().parallels([ 29.5, 45.5 ]).rotate([ 98, 0 ]).center([ 0, 38 ]).scale(1e3);
+  };
+  function d3_geo_azimuthal(scale, angle) {
+    function azimuthal(λ, φ) {
+      var cosλ = Math.cos(λ), cosφ = Math.cos(φ), k = scale(cosλ * cosφ);
+      return [ k * cosφ * Math.sin(λ), k * Math.sin(φ) ];
+    }
+    azimuthal.invert = function(x, y) {
+      var ρ = Math.sqrt(x * x + y * y), c = angle(ρ), sinc = Math.sin(c), cosc = Math.cos(c);
+      return [ Math.atan2(x * sinc, ρ * cosc), Math.asin(ρ && y * sinc / ρ) ];
+    };
+    return azimuthal;
+  }
+  var d3_geo_azimuthalEqualArea = d3_geo_azimuthal(function(cosλcosφ) {
+    return Math.sqrt(2 / (1 + cosλcosφ));
+  }, function(ρ) {
+    return 2 * Math.asin(ρ / 2);
+  });
+  (d3.geo.azimuthalEqualArea = function() {
+    return d3_geo_projection(d3_geo_azimuthalEqualArea);
+  }).raw = d3_geo_azimuthalEqualArea;
+  var d3_geo_azimuthalEquidistant = d3_geo_azimuthal(function(cosλcosφ) {
+    var c = Math.acos(cosλcosφ);
+    return c && c / Math.sin(c);
+  }, d3_identity);
+  (d3.geo.azimuthalEquidistant = function() {
+    return d3_geo_projection(d3_geo_azimuthalEquidistant);
+  }).raw = d3_geo_azimuthalEquidistant;
+  function d3_geo_conicConformal(φ0, φ1) {
+    var cosφ0 = Math.cos(φ0), t = function(φ) {
+      return Math.tan(π / 4 + φ / 2);
+    }, n = φ0 === φ1 ? Math.sin(φ0) : Math.log(cosφ0 / Math.cos(φ1)) / Math.log(t(φ1) / t(φ0)), F = cosφ0 * Math.pow(t(φ0), n) / n;
+    if (!n) return d3_geo_mercator;
+    function forward(λ, φ) {
+      var ρ = Math.abs(Math.abs(φ) - π / 2) < ε ? 0 : F / Math.pow(t(φ), n);
+      return [ ρ * Math.sin(n * λ), F - ρ * Math.cos(n * λ) ];
+    }
+    forward.invert = function(x, y) {
+      var ρ0_y = F - y, ρ = d3_sgn(n) * Math.sqrt(x * x + ρ0_y * ρ0_y);
+      return [ Math.atan2(x, ρ0_y) / n, 2 * Math.atan(Math.pow(F / ρ, 1 / n)) - π / 2 ];
+    };
+    return forward;
+  }
+  (d3.geo.conicConformal = function() {
+    return d3_geo_conic(d3_geo_conicConformal);
+  }).raw = d3_geo_conicConformal;
+  function d3_geo_conicEquidistant(φ0, φ1) {
+    var cosφ0 = Math.cos(φ0), n = φ0 === φ1 ? Math.sin(φ0) : (cosφ0 - Math.cos(φ1)) / (φ1 - φ0), G = cosφ0 / n + φ0;
+    if (Math.abs(n) < ε) return d3_geo_equirectangular;
+    function forward(λ, φ) {
+      var ρ = G - φ;
+      return [ ρ * Math.sin(n * λ), G - ρ * Math.cos(n * λ) ];
+    }
+    forward.invert = function(x, y) {
+      var ρ0_y = G - y;
+      return [ Math.atan2(x, ρ0_y) / n, G - d3_sgn(n) * Math.sqrt(x * x + ρ0_y * ρ0_y) ];
+    };
+    return forward;
+  }
+  (d3.geo.conicEquidistant = function() {
+    return d3_geo_conic(d3_geo_conicEquidistant);
+  }).raw = d3_geo_conicEquidistant;
+  var d3_geo_gnomonic = d3_geo_azimuthal(function(cosλcosφ) {
+    return 1 / cosλcosφ;
+  }, Math.atan);
+  (d3.geo.gnomonic = function() {
+    return d3_geo_projection(d3_geo_gnomonic);
+  }).raw = d3_geo_gnomonic;
+  function d3_geo_mercator(λ, φ) {
+    return [ λ, Math.log(Math.tan(π / 4 + φ / 2)) ];
+  }
+  d3_geo_mercator.invert = function(x, y) {
+    return [ x, 2 * Math.atan(Math.exp(y)) - π / 2 ];
+  };
+  function d3_geo_mercatorProjection(project) {
+    var m = d3_geo_projection(project), scale = m.scale, translate = m.translate, clipExtent = m.clipExtent, clipAuto;
+    m.scale = function() {
+      var v = scale.apply(m, arguments);
+      return v === m ? clipAuto ? m.clipExtent(null) : m : v;
+    };
+    m.translate = function() {
+      var v = translate.apply(m, arguments);
+      return v === m ? clipAuto ? m.clipExtent(null) : m : v;
+    };
+    m.clipExtent = function(_) {
+      var v = clipExtent.apply(m, arguments);
+      if (v === m) {
+        if (clipAuto = _ == null) {
+          var k = π * scale(), t = translate();
+          clipExtent([ [ t[0] - k, t[1] - k ], [ t[0] + k, t[1] + k ] ]);
+        }
+      } else if (clipAuto) {
+        v = null;
+      }
+      return v;
+    };
+    return m.clipExtent(null);
+  }
+  (d3.geo.mercator = function() {
+    return d3_geo_mercatorProjection(d3_geo_mercator);
+  }).raw = d3_geo_mercator;
+  var d3_geo_orthographic = d3_geo_azimuthal(function() {
+    return 1;
+  }, Math.asin);
+  (d3.geo.orthographic = function() {
+    return d3_geo_projection(d3_geo_orthographic);
+  }).raw = d3_geo_orthographic;
+  var d3_geo_stereographic = d3_geo_azimuthal(function(cosλcosφ) {
+    return 1 / (1 + cosλcosφ);
+  }, function(ρ) {
+    return 2 * Math.atan(ρ);
+  });
+  (d3.geo.stereographic = function() {
+    return d3_geo_projection(d3_geo_stereographic);
+  }).raw = d3_geo_stereographic;
+  function d3_geo_transverseMercator(λ, φ) {
+    var B = Math.cos(φ) * Math.sin(λ);
+    return [ Math.log((1 + B) / (1 - B)) / 2, Math.atan2(Math.tan(φ), Math.cos(λ)) ];
+  }
+  d3_geo_transverseMercator.invert = function(x, y) {
+    return [ Math.atan2(d3_sinh(x), Math.cos(y)), d3_asin(Math.sin(y) / d3_cosh(x)) ];
+  };
+  (d3.geo.transverseMercator = function() {
+    return d3_geo_mercatorProjection(d3_geo_transverseMercator);
+  }).raw = d3_geo_transverseMercator;
+  d3.geom = {};
+  d3.svg = {};
+  function d3_svg_line(projection) {
+    var x = d3_svg_lineX, y = d3_svg_lineY, defined = d3_true, interpolate = d3_svg_lineLinear, interpolateKey = interpolate.key, tension = .7;
+    function line(data) {
+      var segments = [], points = [], i = -1, n = data.length, d, fx = d3_functor(x), fy = d3_functor(y);
+      function segment() {
+        segments.push("M", interpolate(projection(points), tension));
+      }
+      while (++i < n) {
+        if (defined.call(this, d = data[i], i)) {
+          points.push([ +fx.call(this, d, i), +fy.call(this, d, i) ]);
+        } else if (points.length) {
+          segment();
+          points = [];
+        }
+      }
+      if (points.length) segment();
+      return segments.length ? segments.join("") : null;
+    }
+    line.x = function(_) {
+      if (!arguments.length) return x;
+      x = _;
+      return line;
+    };
+    line.y = function(_) {
+      if (!arguments.length) return y;
+      y = _;
+      return line;
+    };
+    line.defined = function(_) {
+      if (!arguments.length) return defined;
+      defined = _;
+      return line;
+    };
+    line.interpolate = function(_) {
+      if (!arguments.length) return interpolateKey;
+      if (typeof _ === "function") interpolateKey = interpolate = _; else interpolateKey = (interpolate = d3_svg_lineInterpolators.get(_) || d3_svg_lineLinear).key;
+      return line;
+    };
+    line.tension = function(_) {
+      if (!arguments.length) return tension;
+      tension = _;
+      return line;
+    };
+    return line;
+  }
+  d3.svg.line = function() {
+    return d3_svg_line(d3_identity);
+  };
+  function d3_svg_lineX(d) {
+    return d[0];
+  }
+  function d3_svg_lineY(d) {
+    return d[1];
+  }
+  var d3_svg_lineInterpolators = d3.map({
+    linear: d3_svg_lineLinear,
+    "linear-closed": d3_svg_lineLinearClosed,
+    "step-before": d3_svg_lineStepBefore,
+    "step-after": d3_svg_lineStepAfter,
+    basis: d3_svg_lineBasis,
+    "basis-open": d3_svg_lineBasisOpen,
+    "basis-closed": d3_svg_lineBasisClosed,
+    bundle: d3_svg_lineBundle,
+    cardinal: d3_svg_lineCardinal,
+    "cardinal-open": d3_svg_lineCardinalOpen,
+    "cardinal-closed": d3_svg_lineCardinalClosed,
+    monotone: d3_svg_lineMonotone
+  });
+  d3_svg_lineInterpolators.forEach(function(key, value) {
+    value.key = key;
+    value.closed = /-closed$/.test(key);
+  });
+  function d3_svg_lineLinear(points) {
+    return points.join("L");
+  }
+  function d3_svg_lineLinearClosed(points) {
+    return d3_svg_lineLinear(points) + "Z";
+  }
+  function d3_svg_lineStepBefore(points) {
+    var i = 0, n = points.length, p = points[0], path = [ p[0], ",", p[1] ];
+    while (++i < n) path.push("V", (p = points[i])[1], "H", p[0]);
+    return path.join("");
+  }
+  function d3_svg_lineStepAfter(points) {
+    var i = 0, n = points.length, p = points[0], path = [ p[0], ",", p[1] ];
+    while (++i < n) path.push("H", (p = points[i])[0], "V", p[1]);
+    return path.join("");
+  }
+  function d3_svg_lineCardinalOpen(points, tension) {
+    return points.length < 4 ? d3_svg_lineLinear(points) : points[1] + d3_svg_lineHermite(points.slice(1, points.length - 1), d3_svg_lineCardinalTangents(points, tension));
+  }
+  function d3_svg_lineCardinalClosed(points, tension) {
+    return points.length < 3 ? d3_svg_lineLinear(points) : points[0] + d3_svg_lineHermite((points.push(points[0]), 
+    points), d3_svg_lineCardinalTangents([ points[points.length - 2] ].concat(points, [ points[1] ]), tension));
+  }
+  function d3_svg_lineCardinal(points, tension) {
+    return points.length < 3 ? d3_svg_lineLinear(points) : points[0] + d3_svg_lineHermite(points, d3_svg_lineCardinalTangents(points, tension));
+  }
+  function d3_svg_lineHermite(points, tangents) {
+    if (tangents.length < 1 || points.length != tangents.length && points.length != tangents.length + 2) {
+      return d3_svg_lineLinear(points);
+    }
+    var quad = points.length != tangents.length, path = "", p0 = points[0], p = points[1], t0 = tangents[0], t = t0, pi = 1;
+    if (quad) {
+      path += "Q" + (p[0] - t0[0] * 2 / 3) + "," + (p[1] - t0[1] * 2 / 3) + "," + p[0] + "," + p[1];
+      p0 = points[1];
+      pi = 2;
+    }
+    if (tangents.length > 1) {
+      t = tangents[1];
+      p = points[pi];
+      pi++;
+      path += "C" + (p0[0] + t0[0]) + "," + (p0[1] + t0[1]) + "," + (p[0] - t[0]) + "," + (p[1] - t[1]) + "," + p[0] + "," + p[1];
+      for (var i = 2; i < tangents.length; i++, pi++) {
+        p = points[pi];
+        t = tangents[i];
+        path += "S" + (p[0] - t[0]) + "," + (p[1] - t[1]) + "," + p[0] + "," + p[1];
+      }
+    }
+    if (quad) {
+      var lp = points[pi];
+      path += "Q" + (p[0] + t[0] * 2 / 3) + "," + (p[1] + t[1] * 2 / 3) + "," + lp[0] + "," + lp[1];
+    }
+    return path;
+  }
+  function d3_svg_lineCardinalTangents(points, tension) {
+    var tangents = [], a = (1 - tension) / 2, p0, p1 = points[0], p2 = points[1], i = 1, n = points.length;
+    while (++i < n) {
+      p0 = p1;
+      p1 = p2;
+      p2 = points[i];
+      tangents.push([ a * (p2[0] - p0[0]), a * (p2[1] - p0[1]) ]);
+    }
+    return tangents;
+  }
+  function d3_svg_lineBasis(points) {
+    if (points.length < 3) return d3_svg_lineLinear(points);
+    var i = 1, n = points.length, pi = points[0], x0 = pi[0], y0 = pi[1], px = [ x0, x0, x0, (pi = points[1])[0] ], py = [ y0, y0, y0, pi[1] ], path = [ x0, ",", y0 ];
+    d3_svg_lineBasisBezier(path, px, py);
+    while (++i < n) {
+      pi = points[i];
+      px.shift();
+      px.push(pi[0]);
+      py.shift();
+      py.push(pi[1]);
+      d3_svg_lineBasisBezier(path, px, py);
+    }
+    i = -1;
+    while (++i < 2) {
+      px.shift();
+      px.push(pi[0]);
+      py.shift();
+      py.push(pi[1]);
+      d3_svg_lineBasisBezier(path, px, py);
+    }
+    return path.join("");
+  }
+  function d3_svg_lineBasisOpen(points) {
+    if (points.length < 4) return d3_svg_lineLinear(points);
+    var path = [], i = -1, n = points.length, pi, px = [ 0 ], py = [ 0 ];
+    while (++i < 3) {
+      pi = points[i];
+      px.push(pi[0]);
+      py.push(pi[1]);
+    }
+    path.push(d3_svg_lineDot4(d3_svg_lineBasisBezier3, px) + "," + d3_svg_lineDot4(d3_svg_lineBasisBezier3, py));
+    --i;
+    while (++i < n) {
+      pi = points[i];
+      px.shift();
+      px.push(pi[0]);
+      py.shift();
+      py.push(pi[1]);
+      d3_svg_lineBasisBezier(path, px, py);
+    }
+    return path.join("");
+  }
+  function d3_svg_lineBasisClosed(points) {
+    var path, i = -1, n = points.length, m = n + 4, pi, px = [], py = [];
+    while (++i < 4) {
+      pi = points[i % n];
+      px.push(pi[0]);
+      py.push(pi[1]);
+    }
+    path = [ d3_svg_lineDot4(d3_svg_lineBasisBezier3, px), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, py) ];
+    --i;
+    while (++i < m) {
+      pi = points[i % n];
+      px.shift();
+      px.push(pi[0]);
+      py.shift();
+      py.push(pi[1]);
+      d3_svg_lineBasisBezier(path, px, py);
+    }
+    return path.join("");
+  }
+  function d3_svg_lineBundle(points, tension) {
+    var n = points.length - 1;
+    if (n) {
+      var x0 = points[0][0], y0 = points[0][1], dx = points[n][0] - x0, dy = points[n][1] - y0, i = -1, p, t;
+      while (++i <= n) {
+        p = points[i];
+        t = i / n;
+        p[0] = tension * p[0] + (1 - tension) * (x0 + t * dx);
+        p[1] = tension * p[1] + (1 - tension) * (y0 + t * dy);
+      }
+    }
+    return d3_svg_lineBasis(points);
+  }
+  function d3_svg_lineDot4(a, b) {
+    return a[0] * b[0] + a[1] * b[1] + a[2] * b[2] + a[3] * b[3];
+  }
+  var d3_svg_lineBasisBezier1 = [ 0, 2 / 3, 1 / 3, 0 ], d3_svg_lineBasisBezier2 = [ 0, 1 / 3, 2 / 3, 0 ], d3_svg_lineBasisBezier3 = [ 0, 1 / 6, 2 / 3, 1 / 6 ];
+  function d3_svg_lineBasisBezier(path, x, y) {
+    path.push("C", d3_svg_lineDot4(d3_svg_lineBasisBezier1, x), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier1, y), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier2, x), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier2, y), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, x), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, y));
+  }
+  function d3_svg_lineSlope(p0, p1) {
+    return (p1[1] - p0[1]) / (p1[0] - p0[0]);
+  }
+  function d3_svg_lineFiniteDifferences(points) {
+    var i = 0, j = points.length - 1, m = [], p0 = points[0], p1 = points[1], d = m[0] = d3_svg_lineSlope(p0, p1);
+    while (++i < j) {
+      m[i] = (d + (d = d3_svg_lineSlope(p0 = p1, p1 = points[i + 1]))) / 2;
+    }
+    m[i] = d;
+    return m;
+  }
+  function d3_svg_lineMonotoneTangents(points) {
+    var tangents = [], d, a, b, s, m = d3_svg_lineFiniteDifferences(points), i = -1, j = points.length - 1;
+    while (++i < j) {
+      d = d3_svg_lineSlope(points[i], points[i + 1]);
+      if (Math.abs(d) < 1e-6) {
+        m[i] = m[i + 1] = 0;
+      } else {
+        a = m[i] / d;
+        b = m[i + 1] / d;
+        s = a * a + b * b;
+        if (s > 9) {
+          s = d * 3 / Math.sqrt(s);
+          m[i] = s * a;
+          m[i + 1] = s * b;
+        }
+      }
+    }
+    i = -1;
+    while (++i <= j) {
+      s = (points[Math.min(j, i + 1)][0] - points[Math.max(0, i - 1)][0]) / (6 * (1 + m[i] * m[i]));
+      tangents.push([ s || 0, m[i] * s || 0 ]);
+    }
+    return tangents;
+  }
+  function d3_svg_lineMonotone(points) {
+    return points.length < 3 ? d3_svg_lineLinear(points) : points[0] + d3_svg_lineHermite(points, d3_svg_lineMonotoneTangents(points));
+  }
+  d3.geom.hull = function(vertices) {
+    var x = d3_svg_lineX, y = d3_svg_lineY;
+    if (arguments.length) return hull(vertices);
+    function hull(data) {
+      if (data.length < 3) return [];
+      var fx = d3_functor(x), fy = d3_functor(y), n = data.length, vertices, plen = n - 1, points = [], stack = [], d, i, j, h = 0, x1, y1, x2, y2, u, v, a, sp;
+      if (fx === d3_svg_lineX && y === d3_svg_lineY) vertices = data; else for (i = 0, 
+      vertices = []; i < n; ++i) {
+        vertices.push([ +fx.call(this, d = data[i], i), +fy.call(this, d, i) ]);
+      }
+      for (i = 1; i < n; ++i) {
+        if (vertices[i][1] < vertices[h][1]) {
+          h = i;
+        } else if (vertices[i][1] == vertices[h][1]) {
+          h = vertices[i][0] < vertices[h][0] ? i : h;
+        }
+      }
+      for (i = 0; i < n; ++i) {
+        if (i === h) continue;
+        y1 = vertices[i][1] - vertices[h][1];
+        x1 = vertices[i][0] - vertices[h][0];
+        points.push({
+          angle: Math.atan2(y1, x1),
+          index: i
+        });
+      }
+      points.sort(function(a, b) {
+        return a.angle - b.angle;
+      });
+      a = points[0].angle;
+      v = points[0].index;
+      u = 0;
+      for (i = 1; i < plen; ++i) {
+        j = points[i].index;
+        if (a == points[i].angle) {
+          x1 = vertices[v][0] - vertices[h][0];
+          y1 = vertices[v][1] - vertices[h][1];
+          x2 = vertices[j][0] - vertices[h][0];
+          y2 = vertices[j][1] - vertices[h][1];
+          if (x1 * x1 + y1 * y1 >= x2 * x2 + y2 * y2) {
+            points[i].index = -1;
+          } else {
+            points[u].index = -1;
+            a = points[i].angle;
+            u = i;
+            v = j;
+          }
+        } else {
+          a = points[i].angle;
+          u = i;
+          v = j;
+        }
+      }
+      stack.push(h);
+      for (i = 0, j = 0; i < 2; ++j) {
+        if (points[j].index !== -1) {
+          stack.push(points[j].index);
+          i++;
+        }
+      }
+      sp = stack.length;
+      for (;j < plen; ++j) {
+        if (points[j].index === -1) continue;
+        while (!d3_geom_hullCCW(stack[sp - 2], stack[sp - 1], points[j].index, vertices)) {
+          --sp;
+        }
+        stack[sp++] = points[j].index;
+      }
+      var poly = [];
+      for (i = 0; i < sp; ++i) {
+        poly.push(data[stack[i]]);
+      }
+      return poly;
+    }
+    hull.x = function(_) {
+      return arguments.length ? (x = _, hull) : x;
+    };
+    hull.y = function(_) {
+      return arguments.length ? (y = _, hull) : y;
+    };
+    return hull;
+  };
+  function d3_geom_hullCCW(i1, i2, i3, v) {
+    var t, a, b, c, d, e, f;
+    t = v[i1];
+    a = t[0];
+    b = t[1];
+    t = v[i2];
+    c = t[0];
+    d = t[1];
+    t = v[i3];
+    e = t[0];
+    f = t[1];
+    return (f - b) * (c - a) - (d - b) * (e - a) > 0;
+  }
+  d3.geom.polygon = function(coordinates) {
+    coordinates.area = function() {
+      var i = 0, n = coordinates.length, area = coordinates[n - 1][1] * coordinates[0][0] - coordinates[n - 1][0] * coordinates[0][1];
+      while (++i < n) {
+        area += coordinates[i - 1][1] * coordinates[i][0] - coordinates[i - 1][0] * coordinates[i][1];
+      }
+      return area * .5;
+    };
+    coordinates.centroid = function(k) {
+      var i = -1, n = coordinates.length, x = 0, y = 0, a, b = coordinates[n - 1], c;
+      if (!arguments.length) k = -1 / (6 * coordinates.area());
+      while (++i < n) {
+        a = b;
+        b = coordinates[i];
+        c = a[0] * b[1] - b[0] * a[1];
+        x += (a[0] + b[0]) * c;
+        y += (a[1] + b[1]) * c;
+      }
+      return [ x * k, y * k ];
+    };
+    coordinates.clip = function(subject) {
+      var input, i = -1, n = coordinates.length, j, m, a = coordinates[n - 1], b, c, d;
+      while (++i < n) {
+        input = subject.slice();
+        subject.length = 0;
+        b = coordinates[i];
+        c = input[(m = input.length) - 1];
+        j = -1;
+        while (++j < m) {
+          d = input[j];
+          if (d3_geom_polygonInside(d, a, b)) {
+            if (!d3_geom_polygonInside(c, a, b)) {
+              subject.push(d3_geom_polygonIntersect(c, d, a, b));
+            }
+            subject.push(d);
+          } else if (d3_geom_polygonInside(c, a, b)) {
+            subject.push(d3_geom_polygonIntersect(c, d, a, b));
+          }
+          c = d;
+        }
+        a = b;
+      }
+      return subject;
+    };
+    return coordinates;
+  };
+  function d3_geom_polygonInside(p, a, b) {
+    return (b[0] - a[0]) * (p[1] - a[1]) < (b[1] - a[1]) * (p[0] - a[0]);
+  }
+  function d3_geom_polygonIntersect(c, d, a, b) {
+    var x1 = c[0], x3 = a[0], x21 = d[0] - x1, x43 = b[0] - x3, y1 = c[1], y3 = a[1], y21 = d[1] - y1, y43 = b[1] - y3, ua = (x43 * (y1 - y3) - y43 * (x1 - x3)) / (y43 * x21 - x43 * y21);
+    return [ x1 + ua * x21, y1 + ua * y21 ];
+  }
+  d3.geom.delaunay = function(vertices) {
+    var edges = vertices.map(function() {
+      return [];
+    }), triangles = [];
+    d3_geom_voronoiTessellate(vertices, function(e) {
+      edges[e.region.l.index].push(vertices[e.region.r.index]);
+    });
+    edges.forEach(function(edge, i) {
+      var v = vertices[i], cx = v[0], cy = v[1];
+      edge.forEach(function(v) {
+        v.angle = Math.atan2(v[0] - cx, v[1] - cy);
+      });
+      edge.sort(function(a, b) {
+        return a.angle - b.angle;
+      });
+      for (var j = 0, m = edge.length - 1; j < m; j++) {
+        triangles.push([ v, edge[j], edge[j + 1] ]);
+      }
+    });
+    return triangles;
+  };
+  d3.geom.voronoi = function(points) {
+    var size = null, x = d3_svg_lineX, y = d3_svg_lineY, clip;
+    if (arguments.length) return voronoi(points);
+    function voronoi(data) {
+      var points, polygons = data.map(function() {
+        return [];
+      }), fx = d3_functor(x), fy = d3_functor(y), d, i, n = data.length, Z = 1e6;
+      if (fx === d3_svg_lineX && fy === d3_svg_lineY) points = data; else for (points = [], 
+      i = 0; i < n; ++i) {
+        points.push([ +fx.call(this, d = data[i], i), +fy.call(this, d, i) ]);
+      }
+      d3_geom_voronoiTessellate(points, function(e) {
+        var s1, s2, x1, x2, y1, y2;
+        if (e.a === 1 && e.b >= 0) {
+          s1 = e.ep.r;
+          s2 = e.ep.l;
+        } else {
+          s1 = e.ep.l;
+          s2 = e.ep.r;
+        }
+        if (e.a === 1) {
+          y1 = s1 ? s1.y : -Z;
+          x1 = e.c - e.b * y1;
+          y2 = s2 ? s2.y : Z;
+          x2 = e.c - e.b * y2;
+        } else {
+          x1 = s1 ? s1.x : -Z;
+          y1 = e.c - e.a * x1;
+          x2 = s2 ? s2.x : Z;
+          y2 = e.c - e.a * x2;
+        }
+        var v1 = [ x1, y1 ], v2 = [ x2, y2 ];
+        polygons[e.region.l.index].push(v1, v2);
+        polygons[e.region.r.index].push(v1, v2);
+      });
+      polygons = polygons.map(function(polygon, i) {
+        var cx = points[i][0], cy = points[i][1], angle = polygon.map(function(v) {
+          return Math.atan2(v[0] - cx, v[1] - cy);
+        }), order = d3.range(polygon.length).sort(function(a, b) {
+          return angle[a] - angle[b];
+        });
+        return order.filter(function(d, i) {
+          return !i || angle[d] - angle[order[i - 1]] > ε;
+        }).map(function(d) {
+          return polygon[d];
+        });
+      });
+      polygons.forEach(function(polygon, i) {
+        var n = polygon.length;
+        if (!n) return polygon.push([ -Z, -Z ], [ -Z, Z ], [ Z, Z ], [ Z, -Z ]);
+        if (n > 2) return;
+        var p0 = points[i], p1 = polygon[0], p2 = polygon[1], x0 = p0[0], y0 = p0[1], x1 = p1[0], y1 = p1[1], x2 = p2[0], y2 = p2[1], dx = Math.abs(x2 - x1), dy = y2 - y1;
+        if (Math.abs(dy) < ε) {
+          var y = y0 < y1 ? -Z : Z;
+          polygon.push([ -Z, y ], [ Z, y ]);
+        } else if (dx < ε) {
+          var x = x0 < x1 ? -Z : Z;
+          polygon.push([ x, -Z ], [ x, Z ]);
+        } else {
+          var y = (x2 - x1) * (y1 - y0) < (x1 - x0) * (y2 - y1) ? Z : -Z, z = Math.abs(dy) - dx;
+          if (Math.abs(z) < ε) {
+            polygon.push([ dy < 0 ? y : -y, y ]);
+          } else {
+            if (z > 0) y *= -1;
+            polygon.push([ -Z, y ], [ Z, y ]);
+          }
+        }
+      });
+      if (clip) for (i = 0; i < n; ++i) clip(polygons[i]);
+      for (i = 0; i < n; ++i) polygons[i].point = data[i];
+      return polygons;
+    }
+    voronoi.x = function(_) {
+      return arguments.length ? (x = _, voronoi) : x;
+    };
+    voronoi.y = function(_) {
+      return arguments.length ? (y = _, voronoi) : y;
+    };
+    voronoi.size = function(_) {
+      if (!arguments.length) return size;
+      if (_ == null) {
+        clip = null;
+      } else {
+        size = [ +_[0], +_[1] ];
+        clip = d3.geom.polygon([ [ 0, 0 ], [ 0, size[1] ], size, [ size[0], 0 ] ]).clip;
+      }
+      return voronoi;
+    };
+    voronoi.links = function(data) {
+      var points, graph = data.map(function() {
+        return [];
+      }), links = [], fx = d3_functor(x), fy = d3_functor(y), d, i, n = data.length;
+      if (fx === d3_svg_lineX && fy === d3_svg_lineY) points = data; else for (i = 0; i < n; ++i) {
+        points.push([ +fx.call(this, d = data[i], i), +fy.call(this, d, i) ]);
+      }
+      d3_geom_voronoiTessellate(points, function(e) {
+        var l = e.region.l.index, r = e.region.r.index;
+        if (graph[l][r]) return;
+        graph[l][r] = graph[r][l] = true;
+        links.push({
+          source: data[l],
+          target: data[r]
+        });
+      });
+      return links;
+    };
+    voronoi.triangles = function(data) {
+      if (x === d3_svg_lineX && y === d3_svg_lineY) return d3.geom.delaunay(data);
+      var points, point, fx = d3_functor(x), fy = d3_functor(y), d, i, n;
+      for (i = 0, points = [], n = data.length; i < n; ++i) {
+        point = [ +fx.call(this, d = data[i], i), +fy.call(this, d, i) ];
+        point.data = d;
+        points.push(point);
+      }
+      return d3.geom.delaunay(points).map(function(triangle) {
+        return triangle.map(function(point) {
+          return point.data;
+        });
+      });
+    };
+    return voronoi;
+  };
+  var d3_geom_voronoiOpposite = {
+    l: "r",
+    r: "l"
+  };
+  function d3_geom_voronoiTessellate(points, callback) {
+    var Sites = {
+      list: points.map(function(v, i) {
+        return {
+          index: i,
+          x: v[0],
+          y: v[1]
+        };
+      }).sort(function(a, b) {
+        return a.y < b.y ? -1 : a.y > b.y ? 1 : a.x < b.x ? -1 : a.x > b.x ? 1 : 0;
+      }),
+      bottomSite: null
+    };
+    var EdgeList = {
+      list: [],
+      leftEnd: null,
+      rightEnd: null,
+      init: function() {
+        EdgeList.leftEnd = EdgeList.createHalfEdge(null, "l");
+        EdgeList.rightEnd = EdgeList.createHalfEdge(null, "l");
+        EdgeList.leftEnd.r = EdgeList.rightEnd;
+        EdgeList.rightEnd.l = EdgeList.leftEnd;
+        EdgeList.list.unshift(EdgeList.leftEnd, EdgeList.rightEnd);
+      },
+      createHalfEdge: function(edge, side) {
+        return {
+          edge: edge,
+          side: side,
+          vertex: null,
+          l: null,
+          r: null
+        };
+      },
+      insert: function(lb, he) {
+        he.l = lb;
+        he.r = lb.r;
+        lb.r.l = he;
+        lb.r = he;
+      },
+      leftBound: function(p) {
+        var he = EdgeList.leftEnd;
+        do {
+          he = he.r;
+        } while (he != EdgeList.rightEnd && Geom.rightOf(he, p));
+        he = he.l;
+        return he;
+      },
+      del: function(he) {
+        he.l.r = he.r;
+        he.r.l = he.l;
+        he.edge = null;
+      },
+      right: function(he) {
+        return he.r;
+      },
+      left: function(he) {
+        return he.l;
+      },
+      leftRegion: function(he) {
+        return he.edge == null ? Sites.bottomSite : he.edge.region[he.side];
+      },
+      rightRegion: function(he) {
+        return he.edge == null ? Sites.bottomSite : he.edge.region[d3_geom_voronoiOpposite[he.side]];
+      }
+    };
+    var Geom = {
+      bisect: function(s1, s2) {
+        var newEdge = {
+          region: {
+            l: s1,
+            r: s2
+          },
+          ep: {
+            l: null,
+            r: null
+          }
+        };
+        var dx = s2.x - s1.x, dy = s2.y - s1.y, adx = dx > 0 ? dx : -dx, ady = dy > 0 ? dy : -dy;
+        newEdge.c = s1.x * dx + s1.y * dy + (dx * dx + dy * dy) * .5;
+        if (adx > ady) {
+          newEdge.a = 1;
+          newEdge.b = dy / dx;
+          newEdge.c /= dx;
+        } else {
+          newEdge.b = 1;
+          newEdge.a = dx / dy;
+          newEdge.c /= dy;
+        }
+        return newEdge;
+      },
+      intersect: function(el1, el2) {
+        var e1 = el1.edge, e2 = el2.edge;
+        if (!e1 || !e2 || e1.region.r == e2.region.r) {
+          return null;
+        }
+        var d = e1.a * e2.b - e1.b * e2.a;
+        if (Math.abs(d) < 1e-10) {
+          return null;
+        }
+        var xint = (e1.c * e2.b - e2.c * e1.b) / d, yint = (e2.c * e1.a - e1.c * e2.a) / d, e1r = e1.region.r, e2r = e2.region.r, el, e;
+        if (e1r.y < e2r.y || e1r.y == e2r.y && e1r.x < e2r.x) {
+          el = el1;
+          e = e1;
+        } else {
+          el = el2;
+          e = e2;
+        }
+        var rightOfSite = xint >= e.region.r.x;
+        if (rightOfSite && el.side === "l" || !rightOfSite && el.side === "r") {
+          return null;
+        }
+        return {
+          x: xint,
+          y: yint
+        };
+      },
+      rightOf: function(he, p) {
+        var e = he.edge, topsite = e.region.r, rightOfSite = p.x > topsite.x;
+        if (rightOfSite && he.side === "l") {
+          return 1;
+        }
+        if (!rightOfSite && he.side === "r") {
+          return 0;
+        }
+        if (e.a === 1) {
+          var dyp = p.y - topsite.y, dxp = p.x - topsite.x, fast = 0, above = 0;
+          if (!rightOfSite && e.b < 0 || rightOfSite && e.b >= 0) {
+            above = fast = dyp >= e.b * dxp;
+          } else {
+            above = p.x + p.y * e.b > e.c;
+            if (e.b < 0) {
+              above = !above;
+            }
+            if (!above) {
+              fast = 1;
+            }
+          }
+          if (!fast) {
+            var dxs = topsite.x - e.region.l.x;
+            above = e.b * (dxp * dxp - dyp * dyp) < dxs * dyp * (1 + 2 * dxp / dxs + e.b * e.b);
+            if (e.b < 0) {
+              above = !above;
+            }
+          }
+        } else {
+          var yl = e.c - e.a * p.x, t1 = p.y - yl, t2 = p.x - topsite.x, t3 = yl - topsite.y;
+          above = t1 * t1 > t2 * t2 + t3 * t3;
+        }
+        return he.side === "l" ? above : !above;
+      },
+      endPoint: function(edge, side, site) {
+        edge.ep[side] = site;
+        if (!edge.ep[d3_geom_voronoiOpposite[side]]) return;
+        callback(edge);
+      },
+      distance: function(s, t) {
+        var dx = s.x - t.x, dy = s.y - t.y;
+        return Math.sqrt(dx * dx + dy * dy);
+      }
+    };
+    var EventQueue = {
+      list: [],
+      insert: function(he, site, offset) {
+        he.vertex = site;
+        he.ystar = site.y + offset;
+        for (var i = 0, list = EventQueue.list, l = list.length; i < l; i++) {
+          var next = list[i];
+          if (he.ystar > next.ystar || he.ystar == next.ystar && site.x > next.vertex.x) {
+            continue;
+          } else {
+            break;
+          }
+        }
+        list.splice(i, 0, he);
+      },
+      del: function(he) {
+        for (var i = 0, ls = EventQueue.list, l = ls.length; i < l && ls[i] != he; ++i) {}
+        ls.splice(i, 1);
+      },
+      empty: function() {
+        return EventQueue.list.length === 0;
+      },
+      nextEvent: function(he) {
+        for (var i = 0, ls = EventQueue.list, l = ls.length; i < l; ++i) {
+          if (ls[i] == he) return ls[i + 1];
+        }
+        return null;
+      },
+      min: function() {
+        var elem = EventQueue.list[0];
+        return {
+          x: elem.vertex.x,
+          y: elem.ystar
+        };
+      },
+      extractMin: function() {
+        return EventQueue.list.shift();
+      }
+    };
+    EdgeList.init();
+    Sites.bottomSite = Sites.list.shift();
+    var newSite = Sites.list.shift(), newIntStar;
+    var lbnd, rbnd, llbnd, rrbnd, bisector;
+    var bot, top, temp, p, v;
+    var e, pm;
+    while (true) {
+      if (!EventQueue.empty()) {
+        newIntStar = EventQueue.min();
+      }
+      if (newSite && (EventQueue.empty() || newSite.y < newIntStar.y || newSite.y == newIntStar.y && newSite.x < newIntStar.x)) {
+        lbnd = EdgeList.leftBound(newSite);
+        rbnd = EdgeList.right(lbnd);
+        bot = EdgeList.rightRegion(lbnd);
+        e = Geom.bisect(bot, newSite);
+        bisector = EdgeList.createHalfEdge(e, "l");
+        EdgeList.insert(lbnd, bisector);
+        p = Geom.intersect(lbnd, bisector);
+        if (p) {
+          EventQueue.del(lbnd);
+          EventQueue.insert(lbnd, p, Geom.distance(p, newSite));
+        }
+        lbnd = bisector;
+        bisector = EdgeList.createHalfEdge(e, "r");
+        EdgeList.insert(lbnd, bisector);
+        p = Geom.intersect(bisector, rbnd);
+        if (p) {
+          EventQueue.insert(bisector, p, Geom.distance(p, newSite));
+        }
+        newSite = Sites.list.shift();
+      } else if (!EventQueue.empty()) {
+        lbnd = EventQueue.extractMin();
+        llbnd = EdgeList.left(lbnd);
+        rbnd = EdgeList.right(lbnd);
+        rrbnd = EdgeList.right(rbnd);
+        bot = EdgeList.leftRegion(lbnd);
+        top = EdgeList.rightRegion(rbnd);
+        v = lbnd.vertex;
+        Geom.endPoint(lbnd.edge, lbnd.side, v);
+        Geom.endPoint(rbnd.edge, rbnd.side, v);
+        EdgeList.del(lbnd);
+        EventQueue.del(rbnd);
+        EdgeList.del(rbnd);
+        pm = "l";
+        if (bot.y > top.y) {
+          temp = bot;
+          bot = top;
+          top = temp;
+          pm = "r";
+        }
+        e = Geom.bisect(bot, top);
+        bisector = EdgeList.createHalfEdge(e, pm);
+        EdgeList.insert(llbnd, bisector);
+        Geom.endPoint(e, d3_geom_voronoiOpposite[pm], v);
+        p = Geom.intersect(llbnd, bisector);
+        if (p) {
+          EventQueue.del(llbnd);
+          EventQueue.insert(llbnd, p, Geom.distance(p, bot));
+        }
+        p = Geom.intersect(bisector, rrbnd);
+        if (p) {
+          EventQueue.insert(bisector, p, Geom.distance(p, bot));
+        }
+      } else {
+        break;
+      }
+    }
+    for (lbnd = EdgeList.right(EdgeList.leftEnd); lbnd != EdgeList.rightEnd; lbnd = EdgeList.right(lbnd)) {
+      callback(lbnd.edge);
+    }
+  }
+  d3.geom.quadtree = function(points, x1, y1, x2, y2) {
+    var x = d3_svg_lineX, y = d3_svg_lineY, compat;
+    if (compat = arguments.length) {
+      x = d3_geom_quadtreeCompatX;
+      y = d3_geom_quadtreeCompatY;
+      if (compat === 3) {
+        y2 = y1;
+        x2 = x1;
+        y1 = x1 = 0;
+      }
+      return quadtree(points);
+    }
+    function quadtree(data) {
+      var d, fx = d3_functor(x), fy = d3_functor(y), xs, ys, i, n, x1_, y1_, x2_, y2_;
+      if (x1 != null) {
+        x1_ = x1, y1_ = y1, x2_ = x2, y2_ = y2;
+      } else {
+        x2_ = y2_ = -(x1_ = y1_ = Infinity);
+        xs = [], ys = [];
+        n = data.length;
+        if (compat) for (i = 0; i < n; ++i) {
+          d = data[i];
+          if (d.x < x1_) x1_ = d.x;
+          if (d.y < y1_) y1_ = d.y;
+          if (d.x > x2_) x2_ = d.x;
+          if (d.y > y2_) y2_ = d.y;
+          xs.push(d.x);
+          ys.push(d.y);
+        } else for (i = 0; i < n; ++i) {
+          var x_ = +fx(d = data[i], i), y_ = +fy(d, i);
+          if (x_ < x1_) x1_ = x_;
+          if (y_ < y1_) y1_ = y_;
+          if (x_ > x2_) x2_ = x_;
+          if (y_ > y2_) y2_ = y_;
+          xs.push(x_);
+          ys.push(y_);
+        }
+      }
+      var dx = x2_ - x1_, dy = y2_ - y1_;
+      if (dx > dy) y2_ = y1_ + dx; else x2_ = x1_ + dy;
+      function insert(n, d, x, y, x1, y1, x2, y2) {
+        if (isNaN(x) || isNaN(y)) return;
+        if (n.leaf) {
+          var nx = n.x, ny = n.y;
+          if (nx != null) {
+            if (Math.abs(nx - x) + Math.abs(ny - y) < .01) {
+              insertChild(n, d, x, y, x1, y1, x2, y2);
+            } else {
+              var nPoint = n.point;
+              n.x = n.y = n.point = null;
+              insertChild(n, nPoint, nx, ny, x1, y1, x2, y2);
+              insertChild(n, d, x, y, x1, y1, x2, y2);
+            }
+          } else {
+            n.x = x, n.y = y, n.point = d;
+          }
+        } else {
+          insertChild(n, d, x, y, x1, y1, x2, y2);
+        }
+      }
+      function insertChild(n, d, x, y, x1, y1, x2, y2) {
+        var sx = (x1 + x2) * .5, sy = (y1 + y2) * .5, right = x >= sx, bottom = y >= sy, i = (bottom << 1) + right;
+        n.leaf = false;
+        n = n.nodes[i] || (n.nodes[i] = d3_geom_quadtreeNode());
+        if (right) x1 = sx; else x2 = sx;
+        if (bottom) y1 = sy; else y2 = sy;
+        insert(n, d, x, y, x1, y1, x2, y2);
+      }
+      var root = d3_geom_quadtreeNode();
+      root.add = function(d) {
+        insert(root, d, +fx(d, ++i), +fy(d, i), x1_, y1_, x2_, y2_);
+      };
+      root.visit = function(f) {
+        d3_geom_quadtreeVisit(f, root, x1_, y1_, x2_, y2_);
+      };
+      i = -1;
+      if (x1 == null) {
+        while (++i < n) {
+          insert(root, data[i], xs[i], ys[i], x1_, y1_, x2_, y2_);
+        }
+        --i;
+      } else data.forEach(root.add);
+      xs = ys = data = d = null;
+      return root;
+    }
+    quadtree.x = function(_) {
+      return arguments.length ? (x = _, quadtree) : x;
+    };
+    quadtree.y = function(_) {
+      return arguments.length ? (y = _, quadtree) : y;
+    };
+    quadtree.size = function(_) {
+      if (!arguments.length) return x1 == null ? null : [ x2, y2 ];
+      if (_ == null) {
+        x1 = y1 = x2 = y2 = null;
+      } else {
+        x1 = y1 = 0;
+        x2 = +_[0], y2 = +_[1];
+      }
+      return quadtree;
+    };
+    return quadtree;
+  };
+  function d3_geom_quadtreeCompatX(d) {
+    return d.x;
+  }
+  function d3_geom_quadtreeCompatY(d) {
+    return d.y;
+  }
+  function d3_geom_quadtreeNode() {
+    return {
+      leaf: true,
+      nodes: [],
+      point: null,
+      x: null,
+      y: null
+    };
+  }
+  function d3_geom_quadtreeVisit(f, node, x1, y1, x2, y2) {
+    if (!f(node, x1, y1, x2, y2)) {
+      var sx = (x1 + x2) * .5, sy = (y1 + y2) * .5, children = node.nodes;
+      if (children[0]) d3_geom_quadtreeVisit(f, children[0], x1, y1, sx, sy);
+      if (children[1]) d3_geom_quadtreeVisit(f, children[1], sx, y1, x2, sy);
+      if (children[2]) d3_geom_quadtreeVisit(f, children[2], x1, sy, sx, y2);
+      if (children[3]) d3_geom_quadtreeVisit(f, children[3], sx, sy, x2, y2);
+    }
+  }
+  d3.interpolateRgb = d3_interpolateRgb;
+  function d3_interpolateRgb(a, b) {
+    a = d3.rgb(a);
+    b = d3.rgb(b);
+    var ar = a.r, ag = a.g, ab = a.b, br = b.r - ar, bg = b.g - ag, bb = b.b - ab;
+    return function(t) {
+      return "#" + d3_rgb_hex(Math.round(ar + br * t)) + d3_rgb_hex(Math.round(ag + bg * t)) + d3_rgb_hex(Math.round(ab + bb * t));
+    };
+  }
+  d3.transform = function(string) {
+    var g = d3_document.createElementNS(d3.ns.prefix.svg, "g");
+    return (d3.transform = function(string) {
+      g.setAttribute("transform", string);
+      var t = g.transform.baseVal.consolidate();
+      return new d3_transform(t ? t.matrix : d3_transformIdentity);
+    })(string);
+  };
+  function d3_transform(m) {
+    var r0 = [ m.a, m.b ], r1 = [ m.c, m.d ], kx = d3_transformNormalize(r0), kz = d3_transformDot(r0, r1), ky = d3_transformNormalize(d3_transformCombine(r1, r0, -kz)) || 0;
+    if (r0[0] * r1[1] < r1[0] * r0[1]) {
+      r0[0] *= -1;
+      r0[1] *= -1;
+      kx *= -1;
+      kz *= -1;
+    }
+    this.rotate = (kx ? Math.atan2(r0[1], r0[0]) : Math.atan2(-r1[0], r1[1])) * d3_degrees;
+    this.translate = [ m.e, m.f ];
+    this.scale = [ kx, ky ];
+    this.skew = ky ? Math.atan2(kz, ky) * d3_degrees : 0;
+  }
+  d3_transform.prototype.toString = function() {
+    return "translate(" + this.translate + ")rotate(" + this.rotate + ")skewX(" + this.skew + ")scale(" + this.scale + ")";
+  };
+  function d3_transformDot(a, b) {
+    return a[0] * b[0] + a[1] * b[1];
+  }
+  function d3_transformNormalize(a) {
+    var k = Math.sqrt(d3_transformDot(a, a));
+    if (k) {
+      a[0] /= k;
+      a[1] /= k;
+    }
+    return k;
+  }
+  function d3_transformCombine(a, b, k) {
+    a[0] += k * b[0];
+    a[1] += k * b[1];
+    return a;
+  }
+  var d3_transformIdentity = {
+    a: 1,
+    b: 0,
+    c: 0,
+    d: 1,
+    e: 0,
+    f: 0
+  };
+  d3.interpolateNumber = d3_interpolateNumber;
+  function d3_interpolateNumber(a, b) {
+    b -= a = +a;
+    return function(t) {
+      return a + b * t;
+    };
+  }
+  d3.interpolateTransform = d3_interpolateTransform;
+  function d3_interpolateTransform(a, b) {
+    var s = [], q = [], n, A = d3.transform(a), B = d3.transform(b), ta = A.translate, tb = B.translate, ra = A.rotate, rb = B.rotate, wa = A.skew, wb = B.skew, ka = A.scale, kb = B.scale;
+    if (ta[0] != tb[0] || ta[1] != tb[1]) {
+      s.push("translate(", null, ",", null, ")");
+      q.push({
+        i: 1,
+        x: d3_interpolateNumber(ta[0], tb[0])
+      }, {
+        i: 3,
+        x: d3_interpolateNumber(ta[1], tb[1])
+      });
+    } else if (tb[0] || tb[1]) {
+      s.push("translate(" + tb + ")");
+    } else {
+      s.push("");
+    }
+    if (ra != rb) {
+      if (ra - rb > 180) rb += 360; else if (rb - ra > 180) ra += 360;
+      q.push({
+        i: s.push(s.pop() + "rotate(", null, ")") - 2,
+        x: d3_interpolateNumber(ra, rb)
+      });
+    } else if (rb) {
+      s.push(s.pop() + "rotate(" + rb + ")");
+    }
+    if (wa != wb) {
+      q.push({
+        i: s.push(s.pop() + "skewX(", null, ")") - 2,
+        x: d3_interpolateNumber(wa, wb)
+      });
+    } else if (wb) {
+      s.push(s.pop() + "skewX(" + wb + ")");
+    }
+    if (ka[0] != kb[0] || ka[1] != kb[1]) {
+      n = s.push(s.pop() + "scale(", null, ",", null, ")");
+      q.push({
+        i: n - 4,
+        x: d3_interpolateNumber(ka[0], kb[0])
+      }, {
+        i: n - 2,
+        x: d3_interpolateNumber(ka[1], kb[1])
+      });
+    } else if (kb[0] != 1 || kb[1] != 1) {
+      s.push(s.pop() + "scale(" + kb + ")");
+    }
+    n = q.length;
+    return function(t) {
+      var i = -1, o;
+      while (++i < n) s[(o = q[i]).i] = o.x(t);
+      return s.join("");
+    };
+  }
+  d3.interpolateObject = d3_interpolateObject;
+  function d3_interpolateObject(a, b) {
+    var i = {}, c = {}, k;
+    for (k in a) {
+      if (k in b) {
+        i[k] = d3_interpolateByName(k)(a[k], b[k]);
+      } else {
+        c[k] = a[k];
+      }
+    }
+    for (k in b) {
+      if (!(k in a)) {
+        c[k] = b[k];
+      }
+    }
+    return function(t) {
+      for (k in i) c[k] = i[k](t);
+      return c;
+    };
+  }
+  d3.interpolateString = d3_interpolateString;
+  function d3_interpolateString(a, b) {
+    var m, i, j, s0 = 0, s1 = 0, s = [], q = [], n, o;
+    a = a + "", b = b + "";
+    d3_interpolate_number.lastIndex = 0;
+    for (i = 0; m = d3_interpolate_number.exec(b); ++i) {
+      if (m.index) s.push(b.substring(s0, s1 = m.index));
+      q.push({
+        i: s.length,
+        x: m[0]
+      });
+      s.push(null);
+      s0 = d3_interpolate_number.lastIndex;
+    }
+    if (s0 < b.length) s.push(b.substring(s0));
+    for (i = 0, n = q.length; (m = d3_interpolate_number.exec(a)) && i < n; ++i) {
+      o = q[i];
+      if (o.x == m[0]) {
+        if (o.i) {
+          if (s[o.i + 1] == null) {
+            s[o.i - 1] += o.x;
+            s.splice(o.i, 1);
+            for (j = i + 1; j < n; ++j) q[j].i--;
+          } else {
+            s[o.i - 1] += o.x + s[o.i + 1];
+            s.splice(o.i, 2);
+            for (j = i + 1; j < n; ++j) q[j].i -= 2;
+          }
+        } else {
+          if (s[o.i + 1] == null) {
+            s[o.i] = o.x;
+          } else {
+            s[o.i] = o.x + s[o.i + 1];
+            s.splice(o.i + 1, 1);
+            for (j = i + 1; j < n; ++j) q[j].i--;
+          }
+        }
+        q.splice(i, 1);
+        n--;
+        i--;
+      } else {
+        o.x = d3_interpolateNumber(parseFloat(m[0]), parseFloat(o.x));
+      }
+    }
+    while (i < n) {
+      o = q.pop();
+      if (s[o.i + 1] == null) {
+        s[o.i] = o.x;
+      } else {
+        s[o.i] = o.x + s[o.i + 1];
+        s.splice(o.i + 1, 1);
+      }
+      n--;
+    }
+    if (s.length === 1) {
+      return s[0] == null ? q[0].x : function() {
+        return b;
+      };
+    }
+    return function(t) {
+      for (i = 0; i < n; ++i) s[(o = q[i]).i] = o.x(t);
+      return s.join("");
+    };
+  }
+  var d3_interpolate_number = /[-+]?(?:\d+\.?\d*|\.?\d+)(?:[eE][-+]?\d+)?/g;
+  d3.interpolate = d3_interpolate;
+  function d3_interpolate(a, b) {
+    var i = d3.interpolators.length, f;
+    while (--i >= 0 && !(f = d3.interpolators[i](a, b))) ;
+    return f;
+  }
+  function d3_interpolateByName(name) {
+    return name == "transform" ? d3_interpolateTransform : d3_interpolate;
+  }
+  d3.interpolators = [ function(a, b) {
+    var t = typeof b;
+    return (t === "string" || t !== typeof a ? d3_rgb_names.has(b) || /^(#|rgb\(|hsl\()/.test(b) ? d3_interpolateRgb : d3_interpolateString : b instanceof d3_Color ? d3_interpolateRgb : t === "object" ? Array.isArray(b) ? d3_interpolateArray : d3_interpolateObject : d3_interpolateNumber)(a, b);
+  } ];
+  d3.interpolateArray = d3_interpolateArray;
+  function d3_interpolateArray(a, b) {
+    var x = [], c = [], na = a.length, nb = b.length, n0 = Math.min(a.length, b.length), i;
+    for (i = 0; i < n0; ++i) x.push(d3_interpolate(a[i], b[i]));
+    for (;i < na; ++i) c[i] = a[i];
+    for (;i < nb; ++i) c[i] = b[i];
+    return function(t) {
+      for (i = 0; i < n0; ++i) c[i] = x[i](t);
+      return c;
+    };
+  }
+  var d3_ease_default = function() {
+    return d3_identity;
+  };
+  var d3_ease = d3.map({
+    linear: d3_ease_default,
+    poly: d3_ease_poly,
+    quad: function() {
+      return d3_ease_quad;
+    },
+    cubic: function() {
+      return d3_ease_cubic;
+    },
+    sin: function() {
+      return d3_ease_sin;
+    },
+    exp: function() {
+      return d3_ease_exp;
+    },
+    circle: function() {
+      return d3_ease_circle;
+    },
+    elastic: d3_ease_elastic,
+    back: d3_ease_back,
+    bounce: function() {
+      return d3_ease_bounce;
+    }
+  });
+  var d3_ease_mode = d3.map({
+    "in": d3_identity,
+    out: d3_ease_reverse,
+    "in-out": d3_ease_reflect,
+    "out-in": function(f) {
+      return d3_ease_reflect(d3_ease_reverse(f));
+    }
+  });
+  d3.ease = function(name) {
+    var i = name.indexOf("-"), t = i >= 0 ? name.substring(0, i) : name, m = i >= 0 ? name.substring(i + 1) : "in";
+    t = d3_ease.get(t) || d3_ease_default;
+    m = d3_ease_mode.get(m) || d3_identity;
+    return d3_ease_clamp(m(t.apply(null, Array.prototype.slice.call(arguments, 1))));
+  };
+  function d3_ease_clamp(f) {
+    return function(t) {
+      return t <= 0 ? 0 : t >= 1 ? 1 : f(t);
+    };
+  }
+  function d3_ease_reverse(f) {
+    return function(t) {
+      return 1 - f(1 - t);
+    };
+  }
+  function d3_ease_reflect(f) {
+    return function(t) {
+      return .5 * (t < .5 ? f(2 * t) : 2 - f(2 - 2 * t));
+    };
+  }
+  function d3_ease_quad(t) {
+    return t * t;
+  }
+  function d3_ease_cubic(t) {
+    return t * t * t;
+  }
+  function d3_ease_cubicInOut(t) {
+    if (t <= 0) return 0;
+    if (t >= 1) return 1;
+    var t2 = t * t, t3 = t2 * t;
+    return 4 * (t < .5 ? t3 : 3 * (t - t2) + t3 - .75);
+  }
+  function d3_ease_poly(e) {
+    return function(t) {
+      return Math.pow(t, e);
+    };
+  }
+  function d3_ease_sin(t) {
+    return 1 - Math.cos(t * π / 2);
+  }
+  function d3_ease_exp(t) {
+    return Math.pow(2, 10 * (t - 1));
+  }
+  function d3_ease_circle(t) {
+    return 1 - Math.sqrt(1 - t * t);
+  }
+  function d3_ease_elastic(a, p) {
+    var s;
+    if (arguments.length < 2) p = .45;
+    if (arguments.length) s = p / (2 * π) * Math.asin(1 / a); else a = 1, s = p / 4;
+    return function(t) {
+      return 1 + a * Math.pow(2, 10 * -t) * Math.sin((t - s) * 2 * π / p);
+    };
+  }
+  function d3_ease_back(s) {
+    if (!s) s = 1.70158;
+    return function(t) {
+      return t * t * ((s + 1) * t - s);
+    };
+  }
+  function d3_ease_bounce(t) {
+    return t < 1 / 2.75 ? 7.5625 * t * t : t < 2 / 2.75 ? 7.5625 * (t -= 1.5 / 2.75) * t + .75 : t < 2.5 / 2.75 ? 7.5625 * (t -= 2.25 / 2.75) * t + .9375 : 7.5625 * (t -= 2.625 / 2.75) * t + .984375;
+  }
+  d3.interpolateHcl = d3_interpolateHcl;
+  function d3_interpolateHcl(a, b) {
+    a = d3.hcl(a);
+    b = d3.hcl(b);
+    var ah = a.h, ac = a.c, al = a.l, bh = b.h - ah, bc = b.c - ac, bl = b.l - al;
+    if (bh > 180) bh -= 360; else if (bh < -180) bh += 360;
+    return function(t) {
+      return d3_hcl_lab(ah + bh * t, ac + bc * t, al + bl * t) + "";
+    };
+  }
+  d3.interpolateHsl = d3_interpolateHsl;
+  function d3_interpolateHsl(a, b) {
+    a = d3.hsl(a);
+    b = d3.hsl(b);
+    var h0 = a.h, s0 = a.s, l0 = a.l, h1 = b.h - h0, s1 = b.s - s0, l1 = b.l - l0;
+    if (h1 > 180) h1 -= 360; else if (h1 < -180) h1 += 360;
+    return function(t) {
+      return d3_hsl_rgb(h0 + h1 * t, s0 + s1 * t, l0 + l1 * t) + "";
+    };
+  }
+  d3.interpolateLab = d3_interpolateLab;
+  function d3_interpolateLab(a, b) {
+    a = d3.lab(a);
+    b = d3.lab(b);
+    var al = a.l, aa = a.a, ab = a.b, bl = b.l - al, ba = b.a - aa, bb = b.b - ab;
+    return function(t) {
+      return d3_lab_rgb(al + bl * t, aa + ba * t, ab + bb * t) + "";
+    };
+  }
+  d3.interpolateRound = d3_interpolateRound;
+  function d3_interpolateRound(a, b) {
+    b -= a;
+    return function(t) {
+      return Math.round(a + b * t);
+    };
+  }
+  function d3_uninterpolateNumber(a, b) {
+    b = b - (a = +a) ? 1 / (b - a) : 0;
+    return function(x) {
+      return (x - a) * b;
+    };
+  }
+  function d3_uninterpolateClamp(a, b) {
+    b = b - (a = +a) ? 1 / (b - a) : 0;
+    return function(x) {
+      return Math.max(0, Math.min(1, (x - a) * b));
+    };
+  }
+  d3.layout = {};
+  d3.layout.bundle = function() {
+    return function(links) {
+      var paths = [], i = -1, n = links.length;
+      while (++i < n) paths.push(d3_layout_bundlePath(links[i]));
+      return paths;
+    };
+  };
+  function d3_layout_bundlePath(link) {
+    var start = link.source, end = link.target, lca = d3_layout_bundleLeastCommonAncestor(start, end), points = [ start ];
+    while (start !== lca) {
+      start = start.parent;
+      points.push(start);
+    }
+    var k = points.length;
+    while (end !== lca) {
+      points.splice(k, 0, end);
+      end = end.parent;
+    }
+    return points;
+  }
+  function d3_layout_bundleAncestors(node) {
+    var ancestors = [], parent = node.parent;
+    while (parent != null) {
+      ancestors.push(node);
+      node = parent;
+      parent = parent.parent;
+    }
+    ancestors.push(node);
+    return ancestors;
+  }
+  function d3_layout_bundleLeastCommonAncestor(a, b) {
+    if (a === b) return a;
+    var aNodes = d3_layout_bundleAncestors(a), bNodes = d3_layout_bundleAncestors(b), aNode = aNodes.pop(), bNode = bNodes.pop(), sharedNode = null;
+    while (aNode === bNode) {
+      sharedNode = aNode;
+      aNode = aNodes.pop();
+      bNode = bNodes.pop();
+    }
+    return sharedNode;
+  }
+  d3.layout.chord = function() {
+    var chord = {}, chords, groups, matrix, n, padding = 0, sortGroups, sortSubgroups, sortChords;
+    function relayout() {
+      var subgroups = {}, groupSums = [], groupIndex = d3.range(n), subgroupIndex = [], k, x, x0, i, j;
+      chords = [];
+      groups = [];
+      k = 0, i = -1;
+      while (++i < n) {
+        x = 0, j = -1;
+        while (++j < n) {
+          x += matrix[i][j];
+        }
+        groupSums.push(x);
+        subgroupIndex.push(d3.range(n));
+        k += x;
+      }
+      if (sortGroups) {
+        groupIndex.sort(function(a, b) {
+          return sortGroups(groupSums[a], groupSums[b]);
+        });
+      }
+      if (sortSubgroups) {
+        subgroupIndex.forEach(function(d, i) {
+          d.sort(function(a, b) {
+            return sortSubgroups(matrix[i][a], matrix[i][b]);
+          });
+        });
+      }
+      k = (2 * π - padding * n) / k;
+      x = 0, i = -1;
+      while (++i < n) {
+        x0 = x, j = -1;
+        while (++j < n) {
+          var di = groupIndex[i], dj = subgroupIndex[di][j], v = matrix[di][dj], a0 = x, a1 = x += v * k;
+          subgroups[di + "-" + dj] = {
+            index: di,
+            subindex: dj,
+            startAngle: a0,
+            endAngle: a1,
+            value: v
+          };
+        }
+        groups[di] = {
+          index: di,
+          startAngle: x0,
+          endAngle: x,
+          value: (x - x0) / k
+        };
+        x += padding;
+      }
+      i = -1;
+      while (++i < n) {
+        j = i - 1;
+        while (++j < n) {
+          var source = subgroups[i + "-" + j], target = subgroups[j + "-" + i];
+          if (source.value || target.value) {
+            chords.push(source.value < target.value ? {
+              source: target,
+              target: source
+            } : {
+              source: source,
+              target: target
+            });
+          }
+        }
+      }
+      if (sortChords) resort();
+    }
+    function resort() {
+      chords.sort(function(a, b) {
+        return sortChords((a.source.value + a.target.value) / 2, (b.source.value + b.target.value) / 2);
+      });
+    }
+    chord.matrix = function(x) {
+      if (!arguments.length) return matrix;
+      n = (matrix = x) && matrix.length;
+      chords = groups = null;
+      return chord;
+    };
+    chord.padding = function(x) {
+      if (!arguments.length) return padding;
+      padding = x;
+      chords = groups = null;
+      return chord;
+    };
+    chord.sortGroups = function(x) {
+      if (!arguments.length) return sortGroups;
+      sortGroups = x;
+      chords = groups = null;
+      return chord;
+    };
+    chord.sortSubgroups = function(x) {
+      if (!arguments.length) return sortSubgroups;
+      sortSubgroups = x;
+      chords = null;
+      return chord;
+    };
+    chord.sortChords = function(x) {
+      if (!arguments.length) return sortChords;
+      sortChords = x;
+      if (chords) resort();
+      return chord;
+    };
+    chord.chords = function() {
+      if (!chords) relayout();
+      return chords;
+    };
+    chord.groups = function() {
+      if (!groups) relayout();
+      return groups;
+    };
+    return chord;
+  };
+  d3.layout.force = function() {
+    var force = {}, event = d3.dispatch("start", "tick", "end"), size = [ 1, 1 ], drag, alpha, friction = .9, linkDistance = d3_layout_forceLinkDistance, linkStrength = d3_layout_forceLinkStrength, charge = -30, gravity = .1, theta = .8, nodes = [], links = [], distances, strengths, charges;
+    function repulse(node) {
+      return function(quad, x1, _, x2) {
+        if (quad.point !== node) {
+          var dx = quad.cx - node.x, dy = quad.cy - node.y, dn = 1 / Math.sqrt(dx * dx + dy * dy);
+          if ((x2 - x1) * dn < theta) {
+            var k = quad.charge * dn * dn;
+            node.px -= dx * k;
+            node.py -= dy * k;
+            return true;
+          }
+          if (quad.point && isFinite(dn)) {
+            var k = quad.pointCharge * dn * dn;
+            node.px -= dx * k;
+            node.py -= dy * k;
+          }
+        }
+        return !quad.charge;
+      };
+    }
+    force.tick = function() {
+      if ((alpha *= .99) < .005) {
+        event.end({
+          type: "end",
+          alpha: alpha = 0
+        });
+        return true;
+      }
+      var n = nodes.length, m = links.length, q, i, o, s, t, l, k, x, y;
+      for (i = 0; i < m; ++i) {
+        o = links[i];
+        s = o.source;
+        t = o.target;
+        x = t.x - s.x;
+        y = t.y - s.y;
+        if (l = x * x + y * y) {
+          l = alpha * strengths[i] * ((l = Math.sqrt(l)) - distances[i]) / l;
+          x *= l;
+          y *= l;
+          t.x -= x * (k = s.weight / (t.weight + s.weight));
+          t.y -= y * k;
+          s.x += x * (k = 1 - k);
+          s.y += y * k;
+        }
+      }
+      if (k = alpha * gravity) {
+        x = size[0] / 2;
+        y = size[1] / 2;
+        i = -1;
+        if (k) while (++i < n) {
+          o = nodes[i];
+          o.x += (x - o.x) * k;
+          o.y += (y - o.y) * k;
+        }
+      }
+      if (charge) {
+        d3_layout_forceAccumulate(q = d3.geom.quadtree(nodes), alpha, charges);
+        i = -1;
+        while (++i < n) {
+          if (!(o = nodes[i]).fixed) {
+            q.visit(repulse(o));
+          }
+        }
+      }
+      i = -1;
+      while (++i < n) {
+        o = nodes[i];
+        if (o.fixed) {
+          o.x = o.px;
+          o.y = o.py;
+        } else {
+          o.x -= (o.px - (o.px = o.x)) * friction;
+          o.y -= (o.py - (o.py = o.y)) * friction;
+        }
+      }
+      event.tick({
+        type: "tick",
+        alpha: alpha
+      });
+    };
+    force.nodes = function(x) {
+      if (!arguments.length) return nodes;
+      nodes = x;
+      return force;
+    };
+    force.links = function(x) {
+      if (!arguments.length) return links;
+      links = x;
+      return force;
+    };
+    force.size = function(x) {
+      if (!arguments.length) return size;
+      size = x;
+      return force;
+    };
+    force.linkDistance = function(x) {
+      if (!arguments.length) return linkDistance;
+      linkDistance = typeof x === "function" ? x : +x;
+      return force;
+    };
+    force.distance = force.linkDistance;
+    force.linkStrength = function(x) {
+      if (!arguments.length) return linkStrength;
+      linkStrength = typeof x === "function" ? x : +x;
+      return force;
+    };
+    force.friction = function(x) {
+      if (!arguments.length) return friction;
+      friction = +x;
+      return force;
+    };
+    force.charge = function(x) {
+      if (!arguments.length) return charge;
+      charge = typeof x === "function" ? x : +x;
+      return force;
+    };
+    force.gravity = function(x) {
+      if (!arguments.length) return gravity;
+      gravity = +x;
+      return force;
+    };
+    force.theta = function(x) {
+      if (!arguments.length) return theta;
+      theta = +x;
+      return force;
+    };
+    force.alpha = function(x) {
+      if (!arguments.length) return alpha;
+      x = +x;
+      if (alpha) {
+        if (x > 0) alpha = x; else alpha = 0;
+      } else if (x > 0) {
+        event.start({
+          type: "start",
+          alpha: alpha = x
+        });
+        d3.timer(force.tick);
+      }
+      return force;
+    };
+    force.start = function() {
+      var i, j, n = nodes.length, m = links.length, w = size[0], h = size[1], neighbors, o;
+      for (i = 0; i < n; ++i) {
+        (o = nodes[i]).index = i;
+        o.weight = 0;
+      }
+      for (i = 0; i < m; ++i) {
+        o = links[i];
+        if (typeof o.source == "number") o.source = nodes[o.source];
+        if (typeof o.target == "number") o.target = nodes[o.target];
+        ++o.source.weight;
+        ++o.target.weight;
+      }
+      for (i = 0; i < n; ++i) {
+        o = nodes[i];
+        if (isNaN(o.x)) o.x = position("x", w);
+        if (isNaN(o.y)) o.y = position("y", h);
+        if (isNaN(o.px)) o.px = o.x;
+        if (isNaN(o.py)) o.py = o.y;
+      }
+      distances = [];
+      if (typeof linkDistance === "function") for (i = 0; i < m; ++i) distances[i] = +linkDistance.call(this, links[i], i); else for (i = 0; i < m; ++i) distances[i] = linkDistance;
+      strengths = [];
+      if (typeof linkStrength === "function") for (i = 0; i < m; ++i) strengths[i] = +linkStrength.call(this, links[i], i); else for (i = 0; i < m; ++i) strengths[i] = linkStrength;
+      charges = [];
+      if (typeof charge === "function") for (i = 0; i < n; ++i) charges[i] = +charge.call(this, nodes[i], i); else for (i = 0; i < n; ++i) charges[i] = charge;
+      function position(dimension, size) {
+        var neighbors = neighbor(i), j = -1, m = neighbors.length, x;
+        while (++j < m) if (!isNaN(x = neighbors[j][dimension])) return x;
+        return Math.random() * size;
+      }
+      function neighbor() {
+        if (!neighbors) {
+          neighbors = [];
+          for (j = 0; j < n; ++j) {
+            neighbors[j] = [];
+          }
+          for (j = 0; j < m; ++j) {
+            var o = links[j];
+            neighbors[o.source.index].push(o.target);
+            neighbors[o.target.index].push(o.source);
+          }
+        }
+        return neighbors[i];
+      }
+      return force.resume();
+    };
+    force.resume = function() {
+      return force.alpha(.1);
+    };
+    force.stop = function() {
+      return force.alpha(0);
+    };
+    force.drag = function() {
+      if (!drag) drag = d3.behavior.drag().origin(d3_identity).on("dragstart.force", d3_layout_forceDragstart).on("drag.force", dragmove).on("dragend.force", d3_layout_forceDragend);
+      if (!arguments.length) return drag;
+      this.on("mouseover.force", d3_layout_forceMouseover).on("mouseout.force", d3_layout_forceMouseout).call(drag);
+    };
+    function dragmove(d) {
+      d.px = d3.event.x, d.py = d3.event.y;
+      force.resume();
+    }
+    return d3.rebind(force, event, "on");
+  };
+  function d3_layout_forceDragstart(d) {
+    d.fixed |= 2;
+  }
+  function d3_layout_forceDragend(d) {
+    d.fixed &= ~6;
+  }
+  function d3_layout_forceMouseover(d) {
+    d.fixed |= 4;
+    d.px = d.x, d.py = d.y;
+  }
+  function d3_layout_forceMouseout(d) {
+    d.fixed &= ~4;
+  }
+  function d3_layout_forceAccumulate(quad, alpha, charges) {
+    var cx = 0, cy = 0;
+    quad.charge = 0;
+    if (!quad.leaf) {
+      var nodes = quad.nodes, n = nodes.length, i = -1, c;
+      while (++i < n) {
+        c = nodes[i];
+        if (c == null) continue;
+        d3_layout_forceAccumulate(c, alpha, charges);
+        quad.charge += c.charge;
+        cx += c.charge * c.cx;
+        cy += c.charge * c.cy;
+      }
+    }
+    if (quad.point) {
+      if (!quad.leaf) {
+        quad.point.x += Math.random() - .5;
+        quad.point.y += Math.random() - .5;
+      }
+      var k = alpha * charges[quad.point.index];
+      quad.charge += quad.pointCharge = k;
+      cx += k * quad.point.x;
+      cy += k * quad.point.y;
+    }
+    quad.cx = cx / quad.charge;
+    quad.cy = cy / quad.charge;
+  }
+  var d3_layout_forceLinkDistance = 20, d3_layout_forceLinkStrength = 1;
+  d3.layout.hierarchy = function() {
+    var sort = d3_layout_hierarchySort, children = d3_layout_hierarchyChildren, value = d3_layout_hierarchyValue;
+    function recurse(node, depth, nodes) {
+      var childs = children.call(hierarchy, node, depth);
+      node.depth = depth;
+      nodes.push(node);
+      if (childs && (n = childs.length)) {
+        var i = -1, n, c = node.children = [], v = 0, j = depth + 1, d;
+        while (++i < n) {
+          d = recurse(childs[i], j, nodes);
+          d.parent = node;
+          c.push(d);
+          v += d.value;
+        }
+        if (sort) c.sort(sort);
+        if (value) node.value = v;
+      } else if (value) {
+        node.value = +value.call(hierarchy, node, depth) || 0;
+      }
+      return node;
+    }
+    function revalue(node, depth) {
+      var children = node.children, v = 0;
+      if (children && (n = children.length)) {
+        var i = -1, n, j = depth + 1;
+        while (++i < n) v += revalue(children[i], j);
+      } else if (value) {
+        v = +value.call(hierarchy, node, depth) || 0;
+      }
+      if (value) node.value = v;
+      return v;
+    }
+    function hierarchy(d) {
+      var nodes = [];
+      recurse(d, 0, nodes);
+      return nodes;
+    }
+    hierarchy.sort = function(x) {
+      if (!arguments.length) return sort;
+      sort = x;
+      return hierarchy;
+    };
+    hierarchy.children = function(x) {
+      if (!arguments.length) return children;
+      children = x;
+      return hierarchy;
+    };
+    hierarchy.value = function(x) {
+      if (!arguments.length) return value;
+      value = x;
+      return hierarchy;
+    };
+    hierarchy.revalue = function(root) {
+      revalue(root, 0);
+      return root;
+    };
+    return hierarchy;
+  };
+  function d3_layout_hierarchyRebind(object, hierarchy) {
+    d3.rebind(object, hierarchy, "sort", "children", "value");
+    object.nodes = object;
+    object.links = d3_layout_hierarchyLinks;
+    return object;
+  }
+  function d3_layout_hierarchyChildren(d) {
+    return d.children;
+  }
+  function d3_layout_hierarchyValue(d) {
+    return d.value;
+  }
+  function d3_layout_hierarchySort(a, b) {
+    return b.value - a.value;
+  }
+  function d3_layout_hierarchyLinks(nodes) {
+    return d3.merge(nodes.map(function(parent) {
+      return (parent.children || []).map(function(child) {
+        return {
+          source: parent,
+          target: child
+        };
+      });
+    }));
+  }
+  d3.layout.partition = function() {
+    var hierarchy = d3.layout.hierarchy(), size = [ 1, 1 ];
+    function position(node, x, dx, dy) {
+      var children = node.children;
+      node.x = x;
+      node.y = node.depth * dy;
+      node.dx = dx;
+      node.dy = dy;
+      if (children && (n = children.length)) {
+        var i = -1, n, c, d;
+        dx = node.value ? dx / node.value : 0;
+        while (++i < n) {
+          position(c = children[i], x, d = c.value * dx, dy);
+          x += d;
+        }
+      }
+    }
+    function depth(node) {
+      var children = node.children, d = 0;
+      if (children && (n = children.length)) {
+        var i = -1, n;
+        while (++i < n) d = Math.max(d, depth(children[i]));
+      }
+      return 1 + d;
+    }
+    function partition(d, i) {
+      var nodes = hierarchy.call(this, d, i);
+      position(nodes[0], 0, size[0], size[1] / depth(nodes[0]));
+      return nodes;
+    }
+    partition.size = function(x) {
+      if (!arguments.length) return size;
+      size = x;
+      return partition;
+    };
+    return d3_layout_hierarchyRebind(partition, hierarchy);
+  };
+  d3.layout.pie = function() {
+    var value = Number, sort = d3_layout_pieSortByValue, startAngle = 0, endAngle = 2 * π;
+    function pie(data) {
+      var values = data.map(function(d, i) {
+        return +value.call(pie, d, i);
+      });
+      var a = +(typeof startAngle === "function" ? startAngle.apply(this, arguments) : startAngle);
+      var k = ((typeof endAngle === "function" ? endAngle.apply(this, arguments) : endAngle) - a) / d3.sum(values);
+      var index = d3.range(data.length);
+      if (sort != null) index.sort(sort === d3_layout_pieSortByValue ? function(i, j) {
+        return values[j] - values[i];
+      } : function(i, j) {
+        return sort(data[i], data[j]);
+      });
+      var arcs = [];
+      index.forEach(function(i) {
+        var d;
+        arcs[i] = {
+          data: data[i],
+          value: d = values[i],
+          startAngle: a,
+          endAngle: a += d * k
+        };
+      });
+      return arcs;
+    }
+    pie.value = function(x) {
+      if (!arguments.length) return value;
+      value = x;
+      return pie;
+    };
+    pie.sort = function(x) {
+      if (!arguments.length) return sort;
+      sort = x;
+      return pie;
+    };
+    pie.startAngle = function(x) {
+      if (!arguments.length) return startAngle;
+      startAngle = x;
+      return pie;
+    };
+    pie.endAngle = function(x) {
+      if (!arguments.length) return endAngle;
+      endAngle = x;
+      return pie;
+    };
+    return pie;
+  };
+  var d3_layout_pieSortByValue = {};
+  d3.layout.stack = function() {
+    var values = d3_identity, order = d3_layout_stackOrderDefault, offset = d3_layout_stackOffsetZero, out = d3_layout_stackOut, x = d3_layout_stackX, y = d3_layout_stackY;
+    function stack(data, index) {
+      var series = data.map(function(d, i) {
+        return values.call(stack, d, i);
+      });
+      var points = series.map(function(d) {
+        return d.map(function(v, i) {
+          return [ x.call(stack, v, i), y.call(stack, v, i) ];
+        });
+      });
+      var orders = order.call(stack, points, index);
+      series = d3.permute(series, orders);
+      points = d3.permute(points, orders);
+      var offsets = offset.call(stack, points, index);
+      var n = series.length, m = series[0].length, i, j, o;
+      for (j = 0; j < m; ++j) {
+        out.call(stack, series[0][j], o = offsets[j], points[0][j][1]);
+        for (i = 1; i < n; ++i) {
+          out.call(stack, series[i][j], o += points[i - 1][j][1], points[i][j][1]);
+        }
+      }
+      return data;
+    }
+    stack.values = function(x) {
+      if (!arguments.length) return values;
+      values = x;
+      return stack;
+    };
+    stack.order = function(x) {
+      if (!arguments.length) return order;
+      order = typeof x === "function" ? x : d3_layout_stackOrders.get(x) || d3_layout_stackOrderDefault;
+      return stack;
+    };
+    stack.offset = function(x) {
+      if (!arguments.length) return offset;
+      offset = typeof x === "function" ? x : d3_layout_stackOffsets.get(x) || d3_layout_stackOffsetZero;
+      return stack;
+    };
+    stack.x = function(z) {
+      if (!arguments.length) return x;
+      x = z;
+      return stack;
+    };
+    stack.y = function(z) {
+      if (!arguments.length) return y;
+      y = z;
+      return stack;
+    };
+    stack.out = function(z) {
+      if (!arguments.length) return out;
+      out = z;
+      return stack;
+    };
+    return stack;
+  };
+  function d3_layout_stackX(d) {
+    return d.x;
+  }
+  function d3_layout_stackY(d) {
+    return d.y;
+  }
+  function d3_layout_stackOut(d, y0, y) {
+    d.y0 = y0;
+    d.y = y;
+  }
+  var d3_layout_stackOrders = d3.map({
+    "inside-out": function(data) {
+      var n = data.length, i, j, max = data.map(d3_layout_stackMaxIndex), sums = data.map(d3_layout_stackReduceSum), index = d3.range(n).sort(function(a, b) {
+        return max[a] - max[b];
+      }), top = 0, bottom = 0, tops = [], bottoms = [];
+      for (i = 0; i < n; ++i) {
+        j = index[i];
+        if (top < bottom) {
+          top += sums[j];
+          tops.push(j);
+        } else {
+          bottom += sums[j];
+          bottoms.push(j);
+        }
+      }
+      return bottoms.reverse().concat(tops);
+    },
+    reverse: function(data) {
+      return d3.range(data.length).reverse();
+    },
+    "default": d3_layout_stackOrderDefault
+  });
+  var d3_layout_stackOffsets = d3.map({
+    silhouette: function(data) {
+      var n = data.length, m = data[0].length, sums = [], max = 0, i, j, o, y0 = [];
+      for (j = 0; j < m; ++j) {
+        for (i = 0, o = 0; i < n; i++) o += data[i][j][1];
+        if (o > max) max = o;
+        sums.push(o);
+      }
+      for (j = 0; j < m; ++j) {
+        y0[j] = (max - sums[j]) / 2;
+      }
+      return y0;
+    },
+    wiggle: function(data) {
+      var n = data.length, x = data[0], m = x.length, i, j, k, s1, s2, s3, dx, o, o0, y0 = [];
+      y0[0] = o = o0 = 0;
+      for (j = 1; j < m; ++j) {
+        for (i = 0, s1 = 0; i < n; ++i) s1 += data[i][j][1];
+        for (i = 0, s2 = 0, dx = x[j][0] - x[j - 1][0]; i < n; ++i) {
+          for (k = 0, s3 = (data[i][j][1] - data[i][j - 1][1]) / (2 * dx); k < i; ++k) {
+            s3 += (data[k][j][1] - data[k][j - 1][1]) / dx;
+          }
+          s2 += s3 * data[i][j][1];
+        }
+        y0[j] = o -= s1 ? s2 / s1 * dx : 0;
+        if (o < o0) o0 = o;
+      }
+      for (j = 0; j < m; ++j) y0[j] -= o0;
+      return y0;
+    },
+    expand: function(data) {
+      var n = data.length, m = data[0].length, k = 1 / n, i, j, o, y0 = [];
+      for (j = 0; j < m; ++j) {
+        for (i = 0, o = 0; i < n; i++) o += data[i][j][1];
+        if (o) for (i = 0; i < n; i++) data[i][j][1] /= o; else for (i = 0; i < n; i++) data[i][j][1] = k;
+      }
+      for (j = 0; j < m; ++j) y0[j] = 0;
+      return y0;
+    },
+    zero: d3_layout_stackOffsetZero
+  });
+  function d3_layout_stackOrderDefault(data) {
+    return d3.range(data.length);
+  }
+  function d3_layout_stackOffsetZero(data) {
+    var j = -1, m = data[0].length, y0 = [];
+    while (++j < m) y0[j] = 0;
+    return y0;
+  }
+  function d3_layout_stackMaxIndex(array) {
+    var i = 1, j = 0, v = array[0][1], k, n = array.length;
+    for (;i < n; ++i) {
+      if ((k = array[i][1]) > v) {
+        j = i;
+        v = k;
+      }
+    }
+    return j;
+  }
+  function d3_layout_stackReduceSum(d) {
+    return d.reduce(d3_layout_stackSum, 0);
+  }
+  function d3_layout_stackSum(p, d) {
+    return p + d[1];
+  }
+  d3.layout.histogram = function() {
+    var frequency = true, valuer = Number, ranger = d3_layout_histogramRange, binner = d3_layout_histogramBinSturges;
+    function histogram(data, i) {
+      var bins = [], values = data.map(valuer, this), range = ranger.call(this, values, i), thresholds = binner.call(this, range, values, i), bin, i = -1, n = values.length, m = thresholds.length - 1, k = frequency ? 1 : 1 / n, x;
+      while (++i < m) {
+        bin = bins[i] = [];
+        bin.dx = thresholds[i + 1] - (bin.x = thresholds[i]);
+        bin.y = 0;
+      }
+      if (m > 0) {
+        i = -1;
+        while (++i < n) {
+          x = values[i];
+          if (x >= range[0] && x <= range[1]) {
+            bin = bins[d3.bisect(thresholds, x, 1, m) - 1];
+            bin.y += k;
+            bin.push(data[i]);
+          }
+        }
+      }
+      return bins;
+    }
+    histogram.value = function(x) {
+      if (!arguments.length) return valuer;
+      valuer = x;
+      return histogram;
+    };
+    histogram.range = function(x) {
+      if (!arguments.length) return ranger;
+      ranger = d3_functor(x);
+      return histogram;
+    };
+    histogram.bins = function(x) {
+      if (!arguments.length) return binner;
+      binner = typeof x === "number" ? function(range) {
+        return d3_layout_histogramBinFixed(range, x);
+      } : d3_functor(x);
+      return histogram;
+    };
+    histogram.frequency = function(x) {
+      if (!arguments.length) return frequency;
+      frequency = !!x;
+      return histogram;
+    };
+    return histogram;
+  };
+  function d3_layout_histogramBinSturges(range, values) {
+    return d3_layout_histogramBinFixed(range, Math.ceil(Math.log(values.length) / Math.LN2 + 1));
+  }
+  function d3_layout_histogramBinFixed(range, n) {
+    var x = -1, b = +range[0], m = (range[1] - b) / n, f = [];
+    while (++x <= n) f[x] = m * x + b;
+    return f;
+  }
+  function d3_layout_histogramRange(values) {
+    return [ d3.min(values), d3.max(values) ];
+  }
+  d3.layout.tree = function() {
+    var hierarchy = d3.layout.hierarchy().sort(null).value(null), separation = d3_layout_treeSeparation, size = [ 1, 1 ];
+    function tree(d, i) {
+      var nodes = hierarchy.call(this, d, i), root = nodes[0];
+      function firstWalk(node, previousSibling) {
+        var children = node.children, layout = node._tree;
+        if (children && (n = children.length)) {
+          var n, firstChild = children[0], previousChild, ancestor = firstChild, child, i = -1;
+          while (++i < n) {
+            child = children[i];
+            firstWalk(child, previousChild);
+            ancestor = apportion(child, previousChild, ancestor);
+            previousChild = child;
+          }
+          d3_layout_treeShift(node);
+          var midpoint = .5 * (firstChild._tree.prelim + child._tree.prelim);
+          if (previousSibling) {
+            layout.prelim = previousSibling._tree.prelim + separation(node, previousSibling);
+            layout.mod = layout.prelim - midpoint;
+          } else {
+            layout.prelim = midpoint;
+          }
+        } else {
+          if (previousSibling) {
+            layout.prelim = previousSibling._tree.prelim + separation(node, previousSibling);
+          }
+        }
+      }
+      function secondWalk(node, x) {
+        node.x = node._tree.prelim + x;
+        var children = node.children;
+        if (children && (n = children.length)) {
+          var i = -1, n;
+          x += node._tree.mod;
+          while (++i < n) {
+            secondWalk(children[i], x);
+          }
+        }
+      }
+      function apportion(node, previousSibling, ancestor) {
+        if (previousSibling) {
+          var vip = node, vop = node, vim = previousSibling, vom = node.parent.children[0], sip = vip._tree.mod, sop = vop._tree.mod, sim = vim._tree.mod, som = vom._tree.mod, shift;
+          while (vim = d3_layout_treeRight(vim), vip = d3_layout_treeLeft(vip), vim && vip) {
+            vom = d3_layout_treeLeft(vom);
+            vop = d3_layout_treeRight(vop);
+            vop._tree.ancestor = node;
+            shift = vim._tree.prelim + sim - vip._tree.prelim - sip + separation(vim, vip);
+            if (shift > 0) {
+              d3_layout_treeMove(d3_layout_treeAncestor(vim, node, ancestor), node, shift);
+              sip += shift;
+              sop += shift;
+            }
+            sim += vim._tree.mod;
+            sip += vip._tree.mod;
+            som += vom._tree.mod;
+            sop += vop._tree.mod;
+          }
+          if (vim && !d3_layout_treeRight(vop)) {
+            vop._tree.thread = vim;
+            vop._tree.mod += sim - sop;
+          }
+          if (vip && !d3_layout_treeLeft(vom)) {
+            vom._tree.thread = vip;
+            vom._tree.mod += sip - som;
+            ancestor = node;
+          }
+        }
+        return ancestor;
+      }
+      d3_layout_treeVisitAfter(root, function(node, previousSibling) {
+        node._tree = {
+          ancestor: node,
+          prelim: 0,
+          mod: 0,
+          change: 0,
+          shift: 0,
+          number: previousSibling ? previousSibling._tree.number + 1 : 0
+        };
+      });
+      firstWalk(root);
+      secondWalk(root, -root._tree.prelim);
+      var left = d3_layout_treeSearch(root, d3_layout_treeLeftmost), right = d3_layout_treeSearch(root, d3_layout_treeRightmost), deep = d3_layout_treeSearch(root, d3_layout_treeDeepest), x0 = left.x - separation(left, right) / 2, x1 = right.x + separation(right, left) / 2, y1 = deep.depth || 1;
+      d3_layout_treeVisitAfter(root, function(node) {
+        node.x = (node.x - x0) / (x1 - x0) * size[0];
+        node.y = node.depth / y1 * size[1];
+        delete node._tree;
+      });
+      return nodes;
+    }
+    tree.separation = function(x) {
+      if (!arguments.length) return separation;
+      separation = x;
+      return tree;
+    };
+    tree.size = function(x) {
+      if (!arguments.length) return size;
+      size = x;
+      return tree;
+    };
+    return d3_layout_hierarchyRebind(tree, hierarchy);
+  };
+  function d3_layout_treeSeparation(a, b) {
+    return a.parent == b.parent ? 1 : 2;
+  }
+  function d3_layout_treeLeft(node) {
+    var children = node.children;
+    return children && children.length ? children[0] : node._tree.thread;
+  }
+  function d3_layout_treeRight(node) {
+    var children = node.children, n;
+    return children && (n = children.length) ? children[n - 1] : node._tree.thread;
+  }
+  function d3_layout_treeSearch(node, compare) {
+    var children = node.children;
+    if (children && (n = children.length)) {
+      var child, n, i = -1;
+      while (++i < n) {
+        if (compare(child = d3_layout_treeSearch(children[i], compare), node) > 0) {
+          node = child;
+        }
+      }
+    }
+    return node;
+  }
+  function d3_layout_treeRightmost(a, b) {
+    return a.x - b.x;
+  }
+  function d3_layout_treeLeftmost(a, b) {
+    return b.x - a.x;
+  }
+  function d3_layout_treeDeepest(a, b) {
+    return a.depth - b.depth;
+  }
+  function d3_layout_treeVisitAfter(node, callback) {
+    function visit(node, previousSibling) {
+      var children = node.children;
+      if (children && (n = children.length)) {
+        var child, previousChild = null, i = -1, n;
+        while (++i < n) {
+          child = children[i];
+          visit(child, previousChild);
+          previousChild = child;
+        }
+      }
+      callback(node, previousSibling);
+    }
+    visit(node, null);
+  }
+  function d3_layout_treeShift(node) {
+    var shift = 0, change = 0, children = node.children, i = children.length, child;
+    while (--i >= 0) {
+      child = children[i]._tree;
+      child.prelim += shift;
+      child.mod += shift;
+      shift += child.shift + (change += child.change);
+    }
+  }
+  function d3_layout_treeMove(ancestor, node, shift) {
+    ancestor = ancestor._tree;
+    node = node._tree;
+    var change = shift / (node.number - ancestor.number);
+    ancestor.change += change;
+    node.change -= change;
+    node.shift += shift;
+    node.prelim += shift;
+    node.mod += shift;
+  }
+  function d3_layout_treeAncestor(vim, node, ancestor) {
+    return vim._tree.ancestor.parent == node.parent ? vim._tree.ancestor : ancestor;
+  }
+  d3.layout.pack = function() {
+    var hierarchy = d3.layout.hierarchy().sort(d3_layout_packSort), padding = 0, size = [ 1, 1 ];
+    function pack(d, i) {
+      var nodes = hierarchy.call(this, d, i), root = nodes[0];
+      root.x = 0;
+      root.y = 0;
+      d3_layout_treeVisitAfter(root, function(d) {
+        d.r = Math.sqrt(d.value);
+      });
+      d3_layout_treeVisitAfter(root, d3_layout_packSiblings);
+      var w = size[0], h = size[1], k = Math.max(2 * root.r / w, 2 * root.r / h);
+      if (padding > 0) {
+        var dr = padding * k / 2;
+        d3_layout_treeVisitAfter(root, function(d) {
+          d.r += dr;
+        });
+        d3_layout_treeVisitAfter(root, d3_layout_packSiblings);
+        d3_layout_treeVisitAfter(root, function(d) {
+          d.r -= dr;
+        });
+        k = Math.max(2 * root.r / w, 2 * root.r / h);
+      }
+      d3_layout_packTransform(root, w / 2, h / 2, 1 / k);
+      return nodes;
+    }
+    pack.size = function(x) {
+      if (!arguments.length) return size;
+      size = x;
+      return pack;
+    };
+    pack.padding = function(_) {
+      if (!arguments.length) return padding;
+      padding = +_;
+      return pack;
+    };
+    return d3_layout_hierarchyRebind(pack, hierarchy);
+  };
+  function d3_layout_packSort(a, b) {
+    return a.value - b.value;
+  }
+  function d3_layout_packInsert(a, b) {
+    var c = a._pack_next;
+    a._pack_next = b;
+    b._pack_prev = a;
+    b._pack_next = c;
+    c._pack_prev = b;
+  }
+  function d3_layout_packSplice(a, b) {
+    a._pack_next = b;
+    b._pack_prev = a;
+  }
+  function d3_layout_packIntersects(a, b) {
+    var dx = b.x - a.x, dy = b.y - a.y, dr = a.r + b.r;
+    return dr * dr - dx * dx - dy * dy > .001;
+  }
+  function d3_layout_packSiblings(node) {
+    if (!(nodes = node.children) || !(n = nodes.length)) return;
+    var nodes, xMin = Infinity, xMax = -Infinity, yMin = Infinity, yMax = -Infinity, a, b, c, i, j, k, n;
+    function bound(node) {
+      xMin = Math.min(node.x - node.r, xMin);
+      xMax = Math.max(node.x + node.r, xMax);
+      yMin = Math.min(node.y - node.r, yMin);
+      yMax = Math.max(node.y + node.r, yMax);
+    }
+    nodes.forEach(d3_layout_packLink);
+    a = nodes[0];
+    a.x = -a.r;
+    a.y = 0;
+    bound(a);
+    if (n > 1) {
+      b = nodes[1];
+      b.x = b.r;
+      b.y = 0;
+      bound(b);
+      if (n > 2) {
+        c = nodes[2];
+        d3_layout_packPlace(a, b, c);
+        bound(c);
+        d3_layout_packInsert(a, c);
+        a._pack_prev = c;
+        d3_layout_packInsert(c, b);
+        b = a._pack_next;
+        for (i = 3; i < n; i++) {
+          d3_layout_packPlace(a, b, c = nodes[i]);
+          var isect = 0, s1 = 1, s2 = 1;
+          for (j = b._pack_next; j !== b; j = j._pack_next, s1++) {
+            if (d3_layout_packIntersects(j, c)) {
+              isect = 1;
+              break;
+            }
+          }
+          if (isect == 1) {
+            for (k = a._pack_prev; k !== j._pack_prev; k = k._pack_prev, s2++) {
+              if (d3_layout_packIntersects(k, c)) {
+                break;
+              }
+            }
+          }
+          if (isect) {
+            if (s1 < s2 || s1 == s2 && b.r < a.r) d3_layout_packSplice(a, b = j); else d3_layout_packSplice(a = k, b);
+            i--;
+          } else {
+            d3_layout_packInsert(a, c);
+            b = c;
+            bound(c);
+          }
+        }
+      }
+    }
+    var cx = (xMin + xMax) / 2, cy = (yMin + yMax) / 2, cr = 0;
+    for (i = 0; i < n; i++) {
+      c = nodes[i];
+      c.x -= cx;
+      c.y -= cy;
+      cr = Math.max(cr, c.r + Math.sqrt(c.x * c.x + c.y * c.y));
+    }
+    node.r = cr;
+    nodes.forEach(d3_layout_packUnlink);
+  }
+  function d3_layout_packLink(node) {
+    node._pack_next = node._pack_prev = node;
+  }
+  function d3_layout_packUnlink(node) {
+    delete node._pack_next;
+    delete node._pack_prev;
+  }
+  function d3_layout_packTransform(node, x, y, k) {
+    var children = node.children;
+    node.x = x += k * node.x;
+    node.y = y += k * node.y;
+    node.r *= k;
+    if (children) {
+      var i = -1, n = children.length;
+      while (++i < n) d3_layout_packTransform(children[i], x, y, k);
+    }
+  }
+  function d3_layout_packPlace(a, b, c) {
+    var db = a.r + c.r, dx = b.x - a.x, dy = b.y - a.y;
+    if (db && (dx || dy)) {
+      var da = b.r + c.r, dc = dx * dx + dy * dy;
+      da *= da;
+      db *= db;
+      var x = .5 + (db - da) / (2 * dc), y = Math.sqrt(Math.max(0, 2 * da * (db + dc) - (db -= dc) * db - da * da)) / (2 * dc);
+      c.x = a.x + x * dx + y * dy;
+      c.y = a.y + x * dy - y * dx;
+    } else {
+      c.x = a.x + db;
+      c.y = a.y;
+    }
+  }
+  d3.layout.cluster = function() {
+    var hierarchy = d3.layout.hierarchy().sort(null).value(null), separation = d3_layout_treeSeparation, size = [ 1, 1 ];
+    function cluster(d, i) {
+      var nodes = hierarchy.call(this, d, i), root = nodes[0], previousNode, x = 0;
+      d3_layout_treeVisitAfter(root, function(node) {
+        var children = node.children;
+        if (children && children.length) {
+          node.x = d3_layout_clusterX(children);
+          node.y = d3_layout_clusterY(children);
+        } else {
+          node.x = previousNode ? x += separation(node, previousNode) : 0;
+          node.y = 0;
+          previousNode = node;
+        }
+      });
+      var left = d3_layout_clusterLeft(root), right = d3_layout_clusterRight(root), x0 = left.x - separation(left, right) / 2, x1 = right.x + separation(right, left) / 2;
+      d3_layout_treeVisitAfter(root, function(node) {
+        node.x = (node.x - x0) / (x1 - x0) * size[0];
+        node.y = (1 - (root.y ? node.y / root.y : 1)) * size[1];
+      });
+      return nodes;
+    }
+    cluster.separation = function(x) {
+      if (!arguments.length) return separation;
+      separation = x;
+      return cluster;
+    };
+    cluster.size = function(x) {
+      if (!arguments.length) return size;
+      size = x;
+      return cluster;
+    };
+    return d3_layout_hierarchyRebind(cluster, hierarchy);
+  };
+  function d3_layout_clusterY(children) {
+    return 1 + d3.max(children, function(child) {
+      return child.y;
+    });
+  }
+  function d3_layout_clusterX(children) {
+    return children.reduce(function(x, child) {
+      return x + child.x;
+    }, 0) / children.length;
+  }
+  function d3_layout_clusterLeft(node) {
+    var children = node.children;
+    return children && children.length ? d3_layout_clusterLeft(children[0]) : node;
+  }
+  function d3_layout_clusterRight(node) {
+    var children = node.children, n;
+    return children && (n = children.length) ? d3_layout_clusterRight(children[n - 1]) : node;
+  }
+  d3.layout.treemap = function() {
+    var hierarchy = d3.layout.hierarchy(), round = Math.round, size = [ 1, 1 ], padding = null, pad = d3_layout_treemapPadNull, sticky = false, stickies, mode = "squarify", ratio = .5 * (1 + Math.sqrt(5));
+    function scale(children, k) {
+      var i = -1, n = children.length, child, area;
+      while (++i < n) {
+        area = (child = children[i]).value * (k < 0 ? 0 : k);
+        child.area = isNaN(area) || area <= 0 ? 0 : area;
+      }
+    }
+    function squarify(node) {
+      var children = node.children;
+      if (children && children.length) {
+        var rect = pad(node), row = [], remaining = children.slice(), child, best = Infinity, score, u = mode === "slice" ? rect.dx : mode === "dice" ? rect.dy : mode === "slice-dice" ? node.depth & 1 ? rect.dy : rect.dx : Math.min(rect.dx, rect.dy), n;
+        scale(remaining, rect.dx * rect.dy / node.value);
+        row.area = 0;
+        while ((n = remaining.length) > 0) {
+          row.push(child = remaining[n - 1]);
+          row.area += child.area;
+          if (mode !== "squarify" || (score = worst(row, u)) <= best) {
+            remaining.pop();
+            best = score;
+          } else {
+            row.area -= row.pop().area;
+            position(row, u, rect, false);
+            u = Math.min(rect.dx, rect.dy);
+            row.length = row.area = 0;
+            best = Infinity;
+          }
+        }
+        if (row.length) {
+          position(row, u, rect, true);
+          row.length = row.area = 0;
+        }
+        children.forEach(squarify);
+      }
+    }
+    function stickify(node) {
+      var children = node.children;
+      if (children && children.length) {
+        var rect = pad(node), remaining = children.slice(), child, row = [];
+        scale(remaining, rect.dx * rect.dy / node.value);
+        row.area = 0;
+        while (child = remaining.pop()) {
+          row.push(child);
+          row.area += child.area;
+          if (child.z != null) {
+            position(row, child.z ? rect.dx : rect.dy, rect, !remaining.length);
+            row.length = row.area = 0;
+          }
+        }
+        children.forEach(stickify);
+      }
+    }
+    function worst(row, u) {
+      var s = row.area, r, rmax = 0, rmin = Infinity, i = -1, n = row.length;
+      while (++i < n) {
+        if (!(r = row[i].area)) continue;
+        if (r < rmin) rmin = r;
+        if (r > rmax) rmax = r;
+      }
+      s *= s;
+      u *= u;
+      return s ? Math.max(u * rmax * ratio / s, s / (u * rmin * ratio)) : Infinity;
+    }
+    function position(row, u, rect, flush) {
+      var i = -1, n = row.length, x = rect.x, y = rect.y, v = u ? round(row.area / u) : 0, o;
+      if (u == rect.dx) {
+        if (flush || v > rect.dy) v = rect.dy;
+        while (++i < n) {
+          o = row[i];
+          o.x = x;
+          o.y = y;
+          o.dy = v;
+          x += o.dx = Math.min(rect.x + rect.dx - x, v ? round(o.area / v) : 0);
+        }
+        o.z = true;
+        o.dx += rect.x + rect.dx - x;
+        rect.y += v;
+        rect.dy -= v;
+      } else {
+        if (flush || v > rect.dx) v = rect.dx;
+        while (++i < n) {
+          o = row[i];
+          o.x = x;
+          o.y = y;
+          o.dx = v;
+          y += o.dy = Math.min(rect.y + rect.dy - y, v ? round(o.area / v) : 0);
+        }
+        o.z = false;
+        o.dy += rect.y + rect.dy - y;
+        rect.x += v;
+        rect.dx -= v;
+      }
+    }
+    function treemap(d) {
+      var nodes = stickies || hierarchy(d), root = nodes[0];
+      root.x = 0;
+      root.y = 0;
+      root.dx = size[0];
+      root.dy = size[1];
+      if (stickies) hierarchy.revalue(root);
+      scale([ root ], root.dx * root.dy / root.value);
+      (stickies ? stickify : squarify)(root);
+      if (sticky) stickies = nodes;
+      return nodes;
+    }
+    treemap.size = function(x) {
+      if (!arguments.length) return size;
+      size = x;
+      return treemap;
+    };
+    treemap.padding = function(x) {
+      if (!arguments.length) return padding;
+      function padFunction(node) {
+        var p = x.call(treemap, node, node.depth);
+        return p == null ? d3_layout_treemapPadNull(node) : d3_layout_treemapPad(node, typeof p === "number" ? [ p, p, p, p ] : p);
+      }
+      function padConstant(node) {
+        return d3_layout_treemapPad(node, x);
+      }
+      var type;
+      pad = (padding = x) == null ? d3_layout_treemapPadNull : (type = typeof x) === "function" ? padFunction : type === "number" ? (x = [ x, x, x, x ], 
+      padConstant) : padConstant;
+      return treemap;
+    };
+    treemap.round = function(x) {
+      if (!arguments.length) return round != Number;
+      round = x ? Math.round : Number;
+      return treemap;
+    };
+    treemap.sticky = function(x) {
+      if (!arguments.length) return sticky;
+      sticky = x;
+      stickies = null;
+      return treemap;
+    };
+    treemap.ratio = function(x) {
+      if (!arguments.length) return ratio;
+      ratio = x;
+      return treemap;
+    };
+    treemap.mode = function(x) {
+      if (!arguments.length) return mode;
+      mode = x + "";
+      return treemap;
+    };
+    return d3_layout_hierarchyRebind(treemap, hierarchy);
+  };
+  function d3_layout_treemapPadNull(node) {
+    return {
+      x: node.x,
+      y: node.y,
+      dx: node.dx,
+      dy: node.dy
+    };
+  }
+  function d3_layout_treemapPad(node, padding) {
+    var x = node.x + padding[3], y = node.y + padding[0], dx = node.dx - padding[1] - padding[3], dy = node.dy - padding[0] - padding[2];
+    if (dx < 0) {
+      x += dx / 2;
+      dx = 0;
+    }
+    if (dy < 0) {
+      y += dy / 2;
+      dy = 0;
+    }
+    return {
+      x: x,
+      y: y,
+      dx: dx,
+      dy: dy
+    };
+  }
+  d3.random = {
+    normal: function(µ, σ) {
+      var n = arguments.length;
+      if (n < 2) σ = 1;
+      if (n < 1) µ = 0;
+      return function() {
+        var x, y, r;
+        do {
+          x = Math.random() * 2 - 1;
+          y = Math.random() * 2 - 1;
+          r = x * x + y * y;
+        } while (!r || r > 1);
+        return µ + σ * x * Math.sqrt(-2 * Math.log(r) / r);
+      };
+    },
+    logNormal: function() {
+      var random = d3.random.normal.apply(d3, arguments);
+      return function() {
+        return Math.exp(random());
+      };
+    },
+    irwinHall: function(m) {
+      return function() {
+        for (var s = 0, j = 0; j < m; j++) s += Math.random();
+        return s / m;
+      };
+    }
+  };
+  d3.scale = {};
+  function d3_scaleExtent(domain) {
+    var start = domain[0], stop = domain[domain.length - 1];
+    return start < stop ? [ start, stop ] : [ stop, start ];
+  }
+  function d3_scaleRange(scale) {
+    return scale.rangeExtent ? scale.rangeExtent() : d3_scaleExtent(scale.range());
+  }
+  function d3_scale_bilinear(domain, range, uninterpolate, interpolate) {
+    var u = uninterpolate(domain[0], domain[1]), i = interpolate(range[0], range[1]);
+    return function(x) {
+      return i(u(x));
+    };
+  }
+  function d3_scale_nice(domain, nice) {
+    var i0 = 0, i1 = domain.length - 1, x0 = domain[i0], x1 = domain[i1], dx;
+    if (x1 < x0) {
+      dx = i0, i0 = i1, i1 = dx;
+      dx = x0, x0 = x1, x1 = dx;
+    }
+    if (nice = nice(x1 - x0)) {
+      domain[i0] = nice.floor(x0);
+      domain[i1] = nice.ceil(x1);
+    }
+    return domain;
+  }
+  function d3_scale_polylinear(domain, range, uninterpolate, interpolate) {
+    var u = [], i = [], j = 0, k = Math.min(domain.length, range.length) - 1;
+    if (domain[k] < domain[0]) {
+      domain = domain.slice().reverse();
+      range = range.slice().reverse();
+    }
+    while (++j <= k) {
+      u.push(uninterpolate(domain[j - 1], domain[j]));
+      i.push(interpolate(range[j - 1], range[j]));
+    }
+    return function(x) {
+      var j = d3.bisect(domain, x, 1, k) - 1;
+      return i[j](u[j](x));
+    };
+  }
+  d3.scale.linear = function() {
+    return d3_scale_linear([ 0, 1 ], [ 0, 1 ], d3_interpolate, false);
+  };
+  function d3_scale_linear(domain, range, interpolate, clamp) {
+    var output, input;
+    function rescale() {
+      var linear = Math.min(domain.length, range.length) > 2 ? d3_scale_polylinear : d3_scale_bilinear, uninterpolate = clamp ? d3_uninterpolateClamp : d3_uninterpolateNumber;
+      output = linear(domain, range, uninterpolate, interpolate);
+      input = linear(range, domain, uninterpolate, d3_interpolate);
+      return scale;
+    }
+    function scale(x) {
+      return output(x);
+    }
+    scale.invert = function(y) {
+      return input(y);
+    };
+    scale.domain = function(x) {
+      if (!arguments.length) return domain;
+      domain = x.map(Number);
+      return rescale();
+    };
+    scale.range = function(x) {
+      if (!arguments.length) return range;
+      range = x;
+      return rescale();
+    };
+    scale.rangeRound = function(x) {
+      return scale.range(x).interpolate(d3_interpolateRound);
+    };
+    scale.clamp = function(x) {
+      if (!arguments.length) return clamp;
+      clamp = x;
+      return rescale();
+    };
+    scale.interpolate = function(x) {
+      if (!arguments.length) return interpolate;
+      interpolate = x;
+      return rescale();
+    };
+    scale.ticks = function(m) {
+      return d3_scale_linearTicks(domain, m);
+    };
+    scale.tickFormat = function(m, format) {
+      return d3_scale_linearTickFormat(domain, m, format);
+    };
+    scale.nice = function() {
+      d3_scale_nice(domain, d3_scale_linearNice);
+      return rescale();
+    };
+    scale.copy = function() {
+      return d3_scale_linear(domain, range, interpolate, clamp);
+    };
+    return rescale();
+  }
+  function d3_scale_linearRebind(scale, linear) {
+    return d3.rebind(scale, linear, "range", "rangeRound", "interpolate", "clamp");
+  }
+  function d3_scale_linearNice(dx) {
+    dx = Math.pow(10, Math.round(Math.log(dx) / Math.LN10) - 1);
+    return dx && {
+      floor: function(x) {
+        return Math.floor(x / dx) * dx;
+      },
+      ceil: function(x) {
+        return Math.ceil(x / dx) * dx;
+      }
+    };
+  }
+  function d3_scale_linearTickRange(domain, m) {
+    var extent = d3_scaleExtent(domain), span = extent[1] - extent[0], step = Math.pow(10, Math.floor(Math.log(span / m) / Math.LN10)), err = m / span * step;
+    if (err <= .15) step *= 10; else if (err <= .35) step *= 5; else if (err <= .75) step *= 2;
+    extent[0] = Math.ceil(extent[0] / step) * step;
+    extent[1] = Math.floor(extent[1] / step) * step + step * .5;
+    extent[2] = step;
+    return extent;
+  }
+  function d3_scale_linearTicks(domain, m) {
+    return d3.range.apply(d3, d3_scale_linearTickRange(domain, m));
+  }
+  function d3_scale_linearTickFormat(domain, m, format) {
+    var precision = -Math.floor(Math.log(d3_scale_linearTickRange(domain, m)[2]) / Math.LN10 + .01);
+    return d3.format(format ? format.replace(d3_format_re, function(a, b, c, d, e, f, g, h, i, j) {
+      return [ b, c, d, e, f, g, h, i || "." + (precision - (j === "%") * 2), j ].join("");
+    }) : ",." + precision + "f");
+  }
+  d3.scale.log = function() {
+    return d3_scale_log(d3.scale.linear().domain([ 0, Math.LN10 ]), 10, d3_scale_logp, d3_scale_powp);
+  };
+  function d3_scale_log(linear, base, log, pow) {
+    function scale(x) {
+      return linear(log(x));
+    }
+    scale.invert = function(x) {
+      return pow(linear.invert(x));
+    };
+    scale.domain = function(x) {
+      if (!arguments.length) return linear.domain().map(pow);
+      if (x[0] < 0) log = d3_scale_logn, pow = d3_scale_pown; else log = d3_scale_logp, 
+      pow = d3_scale_powp;
+      linear.domain(x.map(log));
+      return scale;
+    };
+    scale.base = function(_) {
+      if (!arguments.length) return base;
+      base = +_;
+      return scale;
+    };
+    scale.nice = function() {
+      linear.domain(d3_scale_nice(linear.domain(), d3_scale_logNice(base)));
+      return scale;
+    };
+    scale.ticks = function() {
+      var extent = d3_scaleExtent(linear.domain()), ticks = [];
+      if (extent.every(isFinite)) {
+        var b = Math.log(base), i = Math.floor(extent[0] / b), j = Math.ceil(extent[1] / b), u = pow(extent[0]), v = pow(extent[1]), n = base % 1 ? 2 : base;
+        if (log === d3_scale_logn) {
+          ticks.push(-Math.pow(base, -i));
+          for (;i++ < j; ) for (var k = n - 1; k > 0; k--) ticks.push(-Math.pow(base, -i) * k);
+        } else {
+          for (;i < j; i++) for (var k = 1; k < n; k++) ticks.push(Math.pow(base, i) * k);
+          ticks.push(Math.pow(base, i));
+        }
+        for (i = 0; ticks[i] < u; i++) {}
+        for (j = ticks.length; ticks[j - 1] > v; j--) {}
+        ticks = ticks.slice(i, j);
+      }
+      return ticks;
+    };
+    scale.tickFormat = function(n, format) {
+      if (arguments.length < 2) format = d3_scale_logFormat;
+      if (!arguments.length) return format;
+      var b = Math.log(base), k = Math.max(.1, n / scale.ticks().length), f = log === d3_scale_logn ? (e = -1e-12, 
+      Math.floor) : (e = 1e-12, Math.ceil), e;
+      return function(d) {
+        return d / pow(b * f(log(d) / b + e)) <= k ? format(d) : "";
+      };
+    };
+    scale.copy = function() {
+      return d3_scale_log(linear.copy(), base, log, pow);
+    };
+    return d3_scale_linearRebind(scale, linear);
+  }
+  var d3_scale_logFormat = d3.format(".0e");
+  function d3_scale_logp(x) {
+    return Math.log(x < 0 ? 0 : x);
+  }
+  function d3_scale_powp(x) {
+    return Math.exp(x);
+  }
+  function d3_scale_logn(x) {
+    return -Math.log(x > 0 ? 0 : -x);
+  }
+  function d3_scale_pown(x) {
+    return -Math.exp(-x);
+  }
+  function d3_scale_logNice(base) {
+    base = Math.log(base);
+    var nice = {
+      floor: function(x) {
+        return Math.floor(x / base) * base;
+      },
+      ceil: function(x) {
+        return Math.ceil(x / base) * base;
+      }
+    };
+    return function() {
+      return nice;
+    };
+  }
+  d3.scale.pow = function() {
+    return d3_scale_pow(d3.scale.linear(), 1);
+  };
+  function d3_scale_pow(linear, exponent) {
+    var powp = d3_scale_powPow(exponent), powb = d3_scale_powPow(1 / exponent);
+    function scale(x) {
+      return linear(powp(x));
+    }
+    scale.invert = function(x) {
+      return powb(linear.invert(x));
+    };
+    scale.domain = function(x) {
+      if (!arguments.length) return linear.domain().map(powb);
+      linear.domain(x.map(powp));
+      return scale;
+    };
+    scale.ticks = function(m) {
+      return d3_scale_linearTicks(scale.domain(), m);
+    };
+    scale.tickFormat = function(m, format) {
+      return d3_scale_linearTickFormat(scale.domain(), m, format);
+    };
+    scale.nice = function() {
+      return scale.domain(d3_scale_nice(scale.domain(), d3_scale_linearNice));
+    };
+    scale.exponent = function(x) {
+      if (!arguments.length) return exponent;
+      var domain = scale.domain();
+      powp = d3_scale_powPow(exponent = x);
+      powb = d3_scale_powPow(1 / exponent);
+      return scale.domain(domain);
+    };
+    scale.copy = function() {
+      return d3_scale_pow(linear.copy(), exponent);
+    };
+    return d3_scale_linearRebind(scale, linear);
+  }
+  function d3_scale_powPow(e) {
+    return function(x) {
+      return x < 0 ? -Math.pow(-x, e) : Math.pow(x, e);
+    };
+  }
+  d3.scale.sqrt = function() {
+    return d3.scale.pow().exponent(.5);
+  };
+  d3.scale.ordinal = function() {
+    return d3_scale_ordinal([], {
+      t: "range",
+      a: [ [] ]
+    });
+  };
+  function d3_scale_ordinal(domain, ranger) {
+    var index, range, rangeBand;
+    function scale(x) {
+      return range[((index.get(x) || index.set(x, domain.push(x))) - 1) % range.length];
+    }
+    function steps(start, step) {
+      return d3.range(domain.length).map(function(i) {
+        return start + step * i;
+      });
+    }
+    scale.domain = function(x) {
+      if (!arguments.length) return domain;
+      domain = [];
+      index = new d3_Map();
+      var i = -1, n = x.length, xi;
+      while (++i < n) if (!index.has(xi = x[i])) index.set(xi, domain.push(xi));
+      return scale[ranger.t].apply(scale, ranger.a);
+    };
+    scale.range = function(x) {
+      if (!arguments.length) return range;
+      range = x;
+      rangeBand = 0;
+      ranger = {
+        t: "range",
+        a: arguments
+      };
+      return scale;
+    };
+    scale.rangePoints = function(x, padding) {
+      if (arguments.length < 2) padding = 0;
+      var start = x[0], stop = x[1], step = (stop - start) / (Math.max(1, domain.length - 1) + padding);
+      range = steps(domain.length < 2 ? (start + stop) / 2 : start + step * padding / 2, step);
+      rangeBand = 0;
+      ranger = {
+        t: "rangePoints",
+        a: arguments
+      };
+      return scale;
+    };
+    scale.rangeBands = function(x, padding, outerPadding) {
+      if (arguments.length < 2) padding = 0;
+      if (arguments.length < 3) outerPadding = padding;
+      var reverse = x[1] < x[0], start = x[reverse - 0], stop = x[1 - reverse], step = (stop - start) / (domain.length - padding + 2 * outerPadding);
+      range = steps(start + step * outerPadding, step);
+      if (reverse) range.reverse();
+      rangeBand = step * (1 - padding);
+      ranger = {
+        t: "rangeBands",
+        a: arguments
+      };
+      return scale;
+    };
+    scale.rangeRoundBands = function(x, padding, outerPadding) {
+      if (arguments.length < 2) padding = 0;
+      if (arguments.length < 3) outerPadding = padding;
+      var reverse = x[1] < x[0], start = x[reverse - 0], stop = x[1 - reverse], step = Math.floor((stop - start) / (domain.length - padding + 2 * outerPadding)), error = stop - start - (domain.length - padding) * step;
+      range = steps(start + Math.round(error / 2), step);
+      if (reverse) range.reverse();
+      rangeBand = Math.round(step * (1 - padding));
+      ranger = {
+        t: "rangeRoundBands",
+        a: arguments
+      };
+      return scale;
+    };
+    scale.rangeBand = function() {
+      return rangeBand;
+    };
+    scale.rangeExtent = function() {
+      return d3_scaleExtent(ranger.a[0]);
+    };
+    scale.copy = function() {
+      return d3_scale_ordinal(domain, ranger);
+    };
+    return scale.domain(domain);
+  }
+  d3.scale.category10 = function() {
+    return d3.scale.ordinal().range(d3_category10);
+  };
+  d3.scale.category20 = function() {
+    return d3.scale.ordinal().range(d3_category20);
+  };
+  d3.scale.category20b = function() {
+    return d3.scale.ordinal().range(d3_category20b);
+  };
+  d3.scale.category20c = function() {
+    return d3.scale.ordinal().range(d3_category20c);
+  };
+  var d3_category10 = [ "#1f77b4", "#ff7f0e", "#2ca02c", "#d62728", "#9467bd", "#8c564b", "#e377c2", "#7f7f7f", "#bcbd22", "#17becf" ];
+  var d3_category20 = [ "#1f77b4", "#aec7e8", "#ff7f0e", "#ffbb78", "#2ca02c", "#98df8a", "#d62728", "#ff9896", "#9467bd", "#c5b0d5", "#8c564b", "#c49c94", "#e377c2", "#f7b6d2", "#7f7f7f", "#c7c7c7", "#bcbd22", "#dbdb8d", "#17becf", "#9edae5" ];
+  var d3_category20b = [ "#393b79", "#5254a3", "#6b6ecf", "#9c9ede", "#637939", "#8ca252", "#b5cf6b", "#cedb9c", "#8c6d31", "#bd9e39", "#e7ba52", "#e7cb94", "#843c39", "#ad494a", "#d6616b", "#e7969c", "#7b4173", "#a55194", "#ce6dbd", "#de9ed6" ];
+  var d3_category20c = [ "#3182bd", "#6baed6", "#9ecae1", "#c6dbef", "#e6550d", "#fd8d3c", "#fdae6b", "#fdd0a2", "#31a354", "#74c476", "#a1d99b", "#c7e9c0", "#756bb1", "#9e9ac8", "#bcbddc", "#dadaeb", "#636363", "#969696", "#bdbdbd", "#d9d9d9" ];
+  d3.scale.quantile = function() {
+    return d3_scale_quantile([], []);
+  };
+  function d3_scale_quantile(domain, range) {
+    var thresholds;
+    function rescale() {
+      var k = 0, q = range.length;
+      thresholds = [];
+      while (++k < q) thresholds[k - 1] = d3.quantile(domain, k / q);
+      return scale;
+    }
+    function scale(x) {
+      if (isNaN(x = +x)) return NaN;
+      return range[d3.bisect(thresholds, x)];
+    }
+    scale.domain = function(x) {
+      if (!arguments.length) return domain;
+      domain = x.filter(function(d) {
+        return !isNaN(d);
+      }).sort(d3.ascending);
+      return rescale();
+    };
+    scale.range = function(x) {
+      if (!arguments.length) return range;
+      range = x;
+      return rescale();
+    };
+    scale.quantiles = function() {
+      return thresholds;
+    };
+    scale.copy = function() {
+      return d3_scale_quantile(domain, range);
+    };
+    return rescale();
+  }
+  d3.scale.quantize = function() {
+    return d3_scale_quantize(0, 1, [ 0, 1 ]);
+  };
+  function d3_scale_quantize(x0, x1, range) {
+    var kx, i;
+    function scale(x) {
+      return range[Math.max(0, Math.min(i, Math.floor(kx * (x - x0))))];
+    }
+    function rescale() {
+      kx = range.length / (x1 - x0);
+      i = range.length - 1;
+      return scale;
+    }
+    scale.domain = function(x) {
+      if (!arguments.length) return [ x0, x1 ];
+      x0 = +x[0];
+      x1 = +x[x.length - 1];
+      return rescale();
+    };
+    scale.range = function(x) {
+      if (!arguments.length) return range;
+      range = x;
+      return rescale();
+    };
+    scale.copy = function() {
+      return d3_scale_quantize(x0, x1, range);
+    };
+    return rescale();
+  }
+  d3.scale.threshold = function() {
+    return d3_scale_threshold([ .5 ], [ 0, 1 ]);
+  };
+  function d3_scale_threshold(domain, range) {
+    function scale(x) {
+      return range[d3.bisect(domain, x)];
+    }
+    scale.domain = function(_) {
+      if (!arguments.length) return domain;
+      domain = _;
+      return scale;
+    };
+    scale.range = function(_) {
+      if (!arguments.length) return range;
+      range = _;
+      return scale;
+    };
+    scale.copy = function() {
+      return d3_scale_threshold(domain, range);
+    };
+    return scale;
+  }
+  d3.scale.identity = function() {
+    return d3_scale_identity([ 0, 1 ]);
+  };
+  function d3_scale_identity(domain) {
+    function identity(x) {
+      return +x;
+    }
+    identity.invert = identity;
+    identity.domain = identity.range = function(x) {
+      if (!arguments.length) return domain;
+      domain = x.map(identity);
+      return identity;
+    };
+    identity.ticks = function(m) {
+      return d3_scale_linearTicks(domain, m);
+    };
+    identity.tickFormat = function(m, format) {
+      return d3_scale_linearTickFormat(domain, m, format);
+    };
+    identity.copy = function() {
+      return d3_scale_identity(domain);
+    };
+    return identity;
+  }
+  d3.svg.arc = function() {
+    var innerRadius = d3_svg_arcInnerRadius, outerRadius = d3_svg_arcOuterRadius, startAngle = d3_svg_arcStartAngle, endAngle = d3_svg_arcEndAngle;
+    function arc() {
+      var r0 = innerRadius.apply(this, arguments), r1 = outerRadius.apply(this, arguments), a0 = startAngle.apply(this, arguments) + d3_svg_arcOffset, a1 = endAngle.apply(this, arguments) + d3_svg_arcOffset, da = (a1 < a0 && (da = a0, 
+      a0 = a1, a1 = da), a1 - a0), df = da < π ? "0" : "1", c0 = Math.cos(a0), s0 = Math.sin(a0), c1 = Math.cos(a1), s1 = Math.sin(a1);
+      return da >= d3_svg_arcMax ? r0 ? "M0," + r1 + "A" + r1 + "," + r1 + " 0 1,1 0," + -r1 + "A" + r1 + "," + r1 + " 0 1,1 0," + r1 + "M0," + r0 + "A" + r0 + "," + r0 + " 0 1,0 0," + -r0 + "A" + r0 + "," + r0 + " 0 1,0 0," + r0 + "Z" : "M0," + r1 + "A" + r1 + "," + r1 + " 0 1,1 0," + -r1 + "A" + r1 + "," + r1 + " 0 1,1 0," + r1 + "Z" : r0 ? "M" + r1 * c0 + "," + r1 * s0 + "A" + r1 + "," + r1 + " 0 " + df + ",1 " + r1 * c1 + "," + r1 * s1 + "L" + r0 * c1 + "," + r0 * s1 + "A" + r0 + "," + r0 + " 0 " + df + ",0 " + r0 * c0 + "," + r0 * s0 + "Z" : "M" + r1 * c0 + "," + r1 * s0 + "A" + r1 + "," + r1 + " 0 " + df + ",1 " + r1 * c1 + "," + r1 * s1 + "L0,0" + "Z";
+    }
+    arc.innerRadius = function(v) {
+      if (!arguments.length) return innerRadius;
+      innerRadius = d3_functor(v);
+      return arc;
+    };
+    arc.outerRadius = function(v) {
+      if (!arguments.length) return outerRadius;
+      outerRadius = d3_functor(v);
+      return arc;
+    };
+    arc.startAngle = function(v) {
+      if (!arguments.length) return startAngle;
+      startAngle = d3_functor(v);
+      return arc;
+    };
+    arc.endAngle = function(v) {
+      if (!arguments.length) return endAngle;
+      endAngle = d3_functor(v);
+      return arc;
+    };
+    arc.centroid = function() {
+      var r = (innerRadius.apply(this, arguments) + outerRadius.apply(this, arguments)) / 2, a = (startAngle.apply(this, arguments) + endAngle.apply(this, arguments)) / 2 + d3_svg_arcOffset;
+      return [ Math.cos(a) * r, Math.sin(a) * r ];
+    };
+    return arc;
+  };
+  var d3_svg_arcOffset = -π / 2, d3_svg_arcMax = 2 * π - 1e-6;
+  function d3_svg_arcInnerRadius(d) {
+    return d.innerRadius;
+  }
+  function d3_svg_arcOuterRadius(d) {
+    return d.outerRadius;
+  }
+  function d3_svg_arcStartAngle(d) {
+    return d.startAngle;
+  }
+  function d3_svg_arcEndAngle(d) {
+    return d.endAngle;
+  }
+  d3.svg.line.radial = function() {
+    var line = d3_svg_line(d3_svg_lineRadial);
+    line.radius = line.x, delete line.x;
+    line.angle = line.y, delete line.y;
+    return line;
+  };
+  function d3_svg_lineRadial(points) {
+    var point, i = -1, n = points.length, r, a;
+    while (++i < n) {
+      point = points[i];
+      r = point[0];
+      a = point[1] + d3_svg_arcOffset;
+      point[0] = r * Math.cos(a);
+      point[1] = r * Math.sin(a);
+    }
+    return points;
+  }
+  function d3_svg_area(projection) {
+    var x0 = d3_svg_lineX, x1 = d3_svg_lineX, y0 = 0, y1 = d3_svg_lineY, defined = d3_true, interpolate = d3_svg_lineLinear, interpolateKey = interpolate.key, interpolateReverse = interpolate, L = "L", tension = .7;
+    function area(data) {
+      var segments = [], points0 = [], points1 = [], i = -1, n = data.length, d, fx0 = d3_functor(x0), fy0 = d3_functor(y0), fx1 = x0 === x1 ? function() {
+        return x;
+      } : d3_functor(x1), fy1 = y0 === y1 ? function() {
+        return y;
+      } : d3_functor(y1), x, y;
+      function segment() {
+        segments.push("M", interpolate(projection(points1), tension), L, interpolateReverse(projection(points0.reverse()), tension), "Z");
+      }
+      while (++i < n) {
+        if (defined.call(this, d = data[i], i)) {
+          points0.push([ x = +fx0.call(this, d, i), y = +fy0.call(this, d, i) ]);
+          points1.push([ +fx1.call(this, d, i), +fy1.call(this, d, i) ]);
+        } else if (points0.length) {
+          segment();
+          points0 = [];
+          points1 = [];
+        }
+      }
+      if (points0.length) segment();
+      return segments.length ? segments.join("") : null;
+    }
+    area.x = function(_) {
+      if (!arguments.length) return x1;
+      x0 = x1 = _;
+      return area;
+    };
+    area.x0 = function(_) {
+      if (!arguments.length) return x0;
+      x0 = _;
+      return area;
+    };
+    area.x1 = function(_) {
+      if (!arguments.length) return x1;
+      x1 = _;
+      return area;
+    };
+    area.y = function(_) {
+      if (!arguments.length) return y1;
+      y0 = y1 = _;
+      return area;
+    };
+    area.y0 = function(_) {
+      if (!arguments.length) return y0;
+      y0 = _;
+      return area;
+    };
+    area.y1 = function(_) {
+      if (!arguments.length) return y1;
+      y1 = _;
+      return area;
+    };
+    area.defined = function(_) {
+      if (!arguments.length) return defined;
+      defined = _;
+      return area;
+    };
+    area.interpolate = function(_) {
+      if (!arguments.length) return interpolateKey;
+      if (typeof _ === "function") interpolateKey = interpolate = _; else interpolateKey = (interpolate = d3_svg_lineInterpolators.get(_) || d3_svg_lineLinear).key;
+      interpolateReverse = interpolate.reverse || interpolate;
+      L = interpolate.closed ? "M" : "L";
+      return area;
+    };
+    area.tension = function(_) {
+      if (!arguments.length) return tension;
+      tension = _;
+      return area;
+    };
+    return area;
+  }
+  d3_svg_lineStepBefore.reverse = d3_svg_lineStepAfter;
+  d3_svg_lineStepAfter.reverse = d3_svg_lineStepBefore;
+  d3.svg.area = function() {
+    return d3_svg_area(d3_identity);
+  };
+  d3.svg.area.radial = function() {
+    var area = d3_svg_area(d3_svg_lineRadial);
+    area.radius = area.x, delete area.x;
+    area.innerRadius = area.x0, delete area.x0;
+    area.outerRadius = area.x1, delete area.x1;
+    area.angle = area.y, delete area.y;
+    area.startAngle = area.y0, delete area.y0;
+    area.endAngle = area.y1, delete area.y1;
+    return area;
+  };
+  d3.svg.chord = function() {
+    var source = d3_source, target = d3_target, radius = d3_svg_chordRadius, startAngle = d3_svg_arcStartAngle, endAngle = d3_svg_arcEndAngle;
+    function chord(d, i) {
+      var s = subgroup(this, source, d, i), t = subgroup(this, target, d, i);
+      return "M" + s.p0 + arc(s.r, s.p1, s.a1 - s.a0) + (equals(s, t) ? curve(s.r, s.p1, s.r, s.p0) : curve(s.r, s.p1, t.r, t.p0) + arc(t.r, t.p1, t.a1 - t.a0) + curve(t.r, t.p1, s.r, s.p0)) + "Z";
+    }
+    function subgroup(self, f, d, i) {
+      var subgroup = f.call(self, d, i), r = radius.call(self, subgroup, i), a0 = startAngle.call(self, subgroup, i) + d3_svg_arcOffset, a1 = endAngle.call(self, subgroup, i) + d3_svg_arcOffset;
+      return {
+        r: r,
+        a0: a0,
+        a1: a1,
+        p0: [ r * Math.cos(a0), r * Math.sin(a0) ],
+        p1: [ r * Math.cos(a1), r * Math.sin(a1) ]
+      };
+    }
+    function equals(a, b) {
+      return a.a0 == b.a0 && a.a1 == b.a1;
+    }
+    function arc(r, p, a) {
+      return "A" + r + "," + r + " 0 " + +(a > π) + ",1 " + p;
+    }
+    function curve(r0, p0, r1, p1) {
+      return "Q 0,0 " + p1;
+    }
+    chord.radius = function(v) {
+      if (!arguments.length) return radius;
+      radius = d3_functor(v);
+      return chord;
+    };
+    chord.source = function(v) {
+      if (!arguments.length) return source;
+      source = d3_functor(v);
+      return chord;
+    };
+    chord.target = function(v) {
+      if (!arguments.length) return target;
+      target = d3_functor(v);
+      return chord;
+    };
+    chord.startAngle = function(v) {
+      if (!arguments.length) return startAngle;
+      startAngle = d3_functor(v);
+      return chord;
+    };
+    chord.endAngle = function(v) {
+      if (!arguments.length) return endAngle;
+      endAngle = d3_functor(v);
+      return chord;
+    };
+    return chord;
+  };
+  function d3_svg_chordRadius(d) {
+    return d.radius;
+  }
+  d3.svg.diagonal = function() {
+    var source = d3_source, target = d3_target, projection = d3_svg_diagonalProjection;
+    function diagonal(d, i) {
+      var p0 = source.call(this, d, i), p3 = target.call(this, d, i), m = (p0.y + p3.y) / 2, p = [ p0, {
+        x: p0.x,
+        y: m
+      }, {
+        x: p3.x,
+        y: m
+      }, p3 ];
+      p = p.map(projection);
+      return "M" + p[0] + "C" + p[1] + " " + p[2] + " " + p[3];
+    }
+    diagonal.source = function(x) {
+      if (!arguments.length) return source;
+      source = d3_functor(x);
+      return diagonal;
+    };
+    diagonal.target = function(x) {
+      if (!arguments.length) return target;
+      target = d3_functor(x);
+      return diagonal;
+    };
+    diagonal.projection = function(x) {
+      if (!arguments.length) return projection;
+      projection = x;
+      return diagonal;
+    };
+    return diagonal;
+  };
+  function d3_svg_diagonalProjection(d) {
+    return [ d.x, d.y ];
+  }
+  d3.svg.diagonal.radial = function() {
+    var diagonal = d3.svg.diagonal(), projection = d3_svg_diagonalProjection, projection_ = diagonal.projection;
+    diagonal.projection = function(x) {
+      return arguments.length ? projection_(d3_svg_diagonalRadialProjection(projection = x)) : projection;
+    };
+    return diagonal;
+  };
+  function d3_svg_diagonalRadialProjection(projection) {
+    return function() {
+      var d = projection.apply(this, arguments), r = d[0], a = d[1] + d3_svg_arcOffset;
+      return [ r * Math.cos(a), r * Math.sin(a) ];
+    };
+  }
+  d3.svg.symbol = function() {
+    var type = d3_svg_symbolType, size = d3_svg_symbolSize;
+    function symbol(d, i) {
+      return (d3_svg_symbols.get(type.call(this, d, i)) || d3_svg_symbolCircle)(size.call(this, d, i));
+    }
+    symbol.type = function(x) {
+      if (!arguments.length) return type;
+      type = d3_functor(x);
+      return symbol;
+    };
+    symbol.size = function(x) {
+      if (!arguments.length) return size;
+      size = d3_functor(x);
+      return symbol;
+    };
+    return symbol;
+  };
+  function d3_svg_symbolSize() {
+    return 64;
+  }
+  function d3_svg_symbolType() {
+    return "circle";
+  }
+  function d3_svg_symbolCircle(size) {
+    var r = Math.sqrt(size / π);
+    return "M0," + r + "A" + r + "," + r + " 0 1,1 0," + -r + "A" + r + "," + r + " 0 1,1 0," + r + "Z";
+  }
+  var d3_svg_symbols = d3.map({
+    circle: d3_svg_symbolCircle,
+    cross: function(size) {
+      var r = Math.sqrt(size / 5) / 2;
+      return "M" + -3 * r + "," + -r + "H" + -r + "V" + -3 * r + "H" + r + "V" + -r + "H" + 3 * r + "V" + r + "H" + r + "V" + 3 * r + "H" + -r + "V" + r + "H" + -3 * r + "Z";
+    },
+    diamond: function(size) {
+      var ry = Math.sqrt(size / (2 * d3_svg_symbolTan30)), rx = ry * d3_svg_symbolTan30;
+      return "M0," + -ry + "L" + rx + ",0" + " 0," + ry + " " + -rx + ",0" + "Z";
+    },
+    square: function(size) {
+      var r = Math.sqrt(size) / 2;
+      return "M" + -r + "," + -r + "L" + r + "," + -r + " " + r + "," + r + " " + -r + "," + r + "Z";
+    },
+    "triangle-down": function(size) {
+      var rx = Math.sqrt(size / d3_svg_symbolSqrt3), ry = rx * d3_svg_symbolSqrt3 / 2;
+      return "M0," + ry + "L" + rx + "," + -ry + " " + -rx + "," + -ry + "Z";
+    },
+    "triangle-up": function(size) {
+      var rx = Math.sqrt(size / d3_svg_symbolSqrt3), ry = rx * d3_svg_symbolSqrt3 / 2;
+      return "M0," + -ry + "L" + rx + "," + ry + " " + -rx + "," + ry + "Z";
+    }
+  });
+  d3.svg.symbolTypes = d3_svg_symbols.keys();
+  var d3_svg_symbolSqrt3 = Math.sqrt(3), d3_svg_symbolTan30 = Math.tan(30 * d3_radians);
+  function d3_transition(groups, id) {
+    d3_arraySubclass(groups, d3_transitionPrototype);
+    groups.id = id;
+    return groups;
+  }
+  var d3_transitionPrototype = [], d3_transitionId = 0, d3_transitionInheritId, d3_transitionInherit = {
+    ease: d3_ease_cubicInOut,
+    delay: 0,
+    duration: 250
+  };
+  d3_transitionPrototype.call = d3_selectionPrototype.call;
+  d3_transitionPrototype.empty = d3_selectionPrototype.empty;
+  d3_transitionPrototype.node = d3_selectionPrototype.node;
+  d3.transition = function(selection) {
+    return arguments.length ? d3_transitionInheritId ? selection.transition() : selection : d3_selectionRoot.transition();
+  };
+  d3.transition.prototype = d3_transitionPrototype;
+  d3_transitionPrototype.select = function(selector) {
+    var id = this.id, subgroups = [], subgroup, subnode, node;
+    if (typeof selector !== "function") selector = d3_selection_selector(selector);
+    for (var j = -1, m = this.length; ++j < m; ) {
+      subgroups.push(subgroup = []);
+      for (var group = this[j], i = -1, n = group.length; ++i < n; ) {
+        if ((node = group[i]) && (subnode = selector.call(node, node.__data__, i))) {
+          if ("__data__" in node) subnode.__data__ = node.__data__;
+          d3_transitionNode(subnode, i, id, node.__transition__[id]);
+          subgroup.push(subnode);
+        } else {
+          subgroup.push(null);
+        }
+      }
+    }
+    return d3_transition(subgroups, id);
+  };
+  d3_transitionPrototype.selectAll = function(selector) {
+    var id = this.id, subgroups = [], subgroup, subnodes, node, subnode, transition;
+    if (typeof selector !== "function") selector = d3_selection_selectorAll(selector);
+    for (var j = -1, m = this.length; ++j < m; ) {
+      for (var group = this[j], i = -1, n = group.length; ++i < n; ) {
+        if (node = group[i]) {
+          transition = node.__transition__[id];
+          subnodes = selector.call(node, node.__data__, i);
+          subgroups.push(subgroup = []);
+          for (var k = -1, o = subnodes.length; ++k < o; ) {
+            d3_transitionNode(subnode = subnodes[k], k, id, transition);
+            subgroup.push(subnode);
+          }
+        }
+      }
+    }
+    return d3_transition(subgroups, id);
+  };
+  d3_transitionPrototype.filter = function(filter) {
+    var subgroups = [], subgroup, group, node;
+    if (typeof filter !== "function") filter = d3_selection_filter(filter);
+    for (var j = 0, m = this.length; j < m; j++) {
+      subgroups.push(subgroup = []);
+      for (var group = this[j], i = 0, n = group.length; i < n; i++) {
+        if ((node = group[i]) && filter.call(node, node.__data__, i)) {
+          subgroup.push(node);
+        }
+      }
+    }
+    return d3_transition(subgroups, this.id, this.time).ease(this.ease());
+  };
+  d3_transitionPrototype.tween = function(name, tween) {
+    var id = this.id;
+    if (arguments.length < 2) return this.node().__transition__[id].tween.get(name);
+    return d3_selection_each(this, tween == null ? function(node) {
+      node.__transition__[id].tween.remove(name);
+    } : function(node) {
+      node.__transition__[id].tween.set(name, tween);
+    });
+  };
+  function d3_transition_tween(groups, name, value, tween) {
+    var id = groups.id;
+    return d3_selection_each(groups, typeof value === "function" ? function(node, i, j) {
+      node.__transition__[id].tween.set(name, tween(value.call(node, node.__data__, i, j)));
+    } : (value = tween(value), function(node) {
+      node.__transition__[id].tween.set(name, value);
+    }));
+  }
+  d3_transitionPrototype.attr = function(nameNS, value) {
+    if (arguments.length < 2) {
+      for (value in nameNS) this.attr(value, nameNS[value]);
+      return this;
+    }
+    var interpolate = d3_interpolateByName(nameNS), name = d3.ns.qualify(nameNS);
+    function attrNull() {
+      this.removeAttribute(name);
+    }
+    function attrNullNS() {
+      this.removeAttributeNS(name.space, name.local);
+    }
+    return d3_transition_tween(this, "attr." + nameNS, value, function(b) {
+      function attrString() {
+        var a = this.getAttribute(name), i;
+        return a !== b && (i = interpolate(a, b), function(t) {
+          this.setAttribute(name, i(t));
+        });
+      }
+      function attrStringNS() {
+        var a = this.getAttributeNS(name.space, name.local), i;
+        return a !== b && (i = interpolate(a, b), function(t) {
+          this.setAttributeNS(name.space, name.local, i(t));
+        });
+      }
+      return b == null ? name.local ? attrNullNS : attrNull : (b += "", name.local ? attrStringNS : attrString);
+    });
+  };
+  d3_transitionPrototype.attrTween = function(nameNS, tween) {
+    var name = d3.ns.qualify(nameNS);
+    function attrTween(d, i) {
+      var f = tween.call(this, d, i, this.getAttribute(name));
+      return f && function(t) {
+        this.setAttribute(name, f(t));
+      };
+    }
+    function attrTweenNS(d, i) {
+      var f = tween.call(this, d, i, this.getAttributeNS(name.space, name.local));
+      return f && function(t) {
+        this.setAttributeNS(name.space, name.local, f(t));
+      };
+    }
+    return this.tween("attr." + nameNS, name.local ? attrTweenNS : attrTween);
+  };
+  d3_transitionPrototype.style = function(name, value, priority) {
+    var n = arguments.length;
+    if (n < 3) {
+      if (typeof name !== "string") {
+        if (n < 2) value = "";
+        for (priority in name) this.style(priority, name[priority], value);
+        return this;
+      }
+      priority = "";
+    }
+    var interpolate = d3_interpolateByName(name);
+    function styleNull() {
+      this.style.removeProperty(name);
+    }
+    return d3_transition_tween(this, "style." + name, value, function(b) {
+      function styleString() {
+        var a = d3_window.getComputedStyle(this, null).getPropertyValue(name), i;
+        return a !== b && (i = interpolate(a, b), function(t) {
+          this.style.setProperty(name, i(t), priority);
+        });
+      }
+      return b == null ? styleNull : (b += "", styleString);
+    });
+  };
+  d3_transitionPrototype.styleTween = function(name, tween, priority) {
+    if (arguments.length < 3) priority = "";
+    return this.tween("style." + name, function(d, i) {
+      var f = tween.call(this, d, i, d3_window.getComputedStyle(this, null).getPropertyValue(name));
+      return f && function(t) {
+        this.style.setProperty(name, f(t), priority);
+      };
+    });
+  };
+  d3_transitionPrototype.text = function(value) {
+    return d3_transition_tween(this, "text", value, d3_transition_text);
+  };
+  function d3_transition_text(b) {
+    if (b == null) b = "";
+    return function() {
+      this.textContent = b;
+    };
+  }
+  d3_transitionPrototype.remove = function() {
+    return this.each("end.transition", function() {
+      var p;
+      if (!this.__transition__ && (p = this.parentNode)) p.removeChild(this);
+    });
+  };
+  d3_transitionPrototype.ease = function(value) {
+    var id = this.id;
+    if (arguments.length < 1) return this.node().__transition__[id].ease;
+    if (typeof value !== "function") value = d3.ease.apply(d3, arguments);
+    return d3_selection_each(this, function(node) {
+      node.__transition__[id].ease = value;
+    });
+  };
+  d3_transitionPrototype.delay = function(value) {
+    var id = this.id;
+    return d3_selection_each(this, typeof value === "function" ? function(node, i, j) {
+      node.__transition__[id].delay = value.call(node, node.__data__, i, j) | 0;
+    } : (value |= 0, function(node) {
+      node.__transition__[id].delay = value;
+    }));
+  };
+  d3_transitionPrototype.duration = function(value) {
+    var id = this.id;
+    return d3_selection_each(this, typeof value === "function" ? function(node, i, j) {
+      node.__transition__[id].duration = Math.max(1, value.call(node, node.__data__, i, j) | 0);
+    } : (value = Math.max(1, value | 0), function(node) {
+      node.__transition__[id].duration = value;
+    }));
+  };
+  d3_transitionPrototype.each = function(type, listener) {
+    var id = this.id;
+    if (arguments.length < 2) {
+      var inherit = d3_transitionInherit, inheritId = d3_transitionInheritId;
+      d3_transitionInheritId = id;
+      d3_selection_each(this, function(node, i, j) {
+        d3_transitionInherit = node.__transition__[id];
+        type.call(node, node.__data__, i, j);
+      });
+      d3_transitionInherit = inherit;
+      d3_transitionInheritId = inheritId;
+    } else {
+      d3_selection_each(this, function(node) {
+        node.__transition__[id].event.on(type, listener);
+      });
+    }
+    return this;
+  };
+  d3_transitionPrototype.transition = function() {
+    var id0 = this.id, id1 = ++d3_transitionId, subgroups = [], subgroup, group, node, transition;
+    for (var j = 0, m = this.length; j < m; j++) {
+      subgroups.push(subgroup = []);
+      for (var group = this[j], i = 0, n = group.length; i < n; i++) {
+        if (node = group[i]) {
+          transition = Object.create(node.__transition__[id0]);
+          transition.delay += transition.duration;
+          d3_transitionNode(node, i, id1, transition);
+        }
+        subgroup.push(node);
+      }
+    }
+    return d3_transition(subgroups, id1);
+  };
+  function d3_transitionNode(node, i, id, inherit) {
+    var lock = node.__transition__ || (node.__transition__ = {
+      active: 0,
+      count: 0
+    }), transition = lock[id];
+    if (!transition) {
+      var time = inherit.time;
+      transition = lock[id] = {
+        tween: new d3_Map(),
+        event: d3.dispatch("start", "end"),
+        time: time,
+        ease: inherit.ease,
+        delay: inherit.delay,
+        duration: inherit.duration
+      };
+      ++lock.count;
+      d3.timer(function(elapsed) {
+        var d = node.__data__, ease = transition.ease, event = transition.event, delay = transition.delay, duration = transition.duration, tweened = [];
+        return delay <= elapsed ? start(elapsed) : d3.timer(start, delay, time), 1;
+        function start(elapsed) {
+          if (lock.active > id) return stop();
+          lock.active = id;
+          event.start.call(node, d, i);
+          transition.tween.forEach(function(key, value) {
+            if (value = value.call(node, d, i)) {
+              tweened.push(value);
+            }
+          });
+          if (!tick(elapsed)) d3.timer(tick, 0, time);
+          return 1;
+        }
+        function tick(elapsed) {
+          if (lock.active !== id) return stop();
+          var t = (elapsed - delay) / duration, e = ease(t), n = tweened.length;
+          while (n > 0) {
+            tweened[--n].call(node, e);
+          }
+          if (t >= 1) {
+            stop();
+            event.end.call(node, d, i);
+            return 1;
+          }
+        }
+        function stop() {
+          if (--lock.count) delete lock[id]; else delete node.__transition__;
+          return 1;
+        }
+      }, 0, time);
+      return transition;
+    }
+  }
+  d3.svg.axis = function() {
+    var scale = d3.scale.linear(), orient = d3_svg_axisDefaultOrient, tickMajorSize = 6, tickMinorSize = 6, tickEndSize = 6, tickPadding = 3, tickArguments_ = [ 10 ], tickValues = null, tickFormat_, tickSubdivide = 0;
+    function axis(g) {
+      g.each(function() {
+        var g = d3.select(this);
+        var ticks = tickValues == null ? scale.ticks ? scale.ticks.apply(scale, tickArguments_) : scale.domain() : tickValues, tickFormat = tickFormat_ == null ? scale.tickFormat ? scale.tickFormat.apply(scale, tickArguments_) : String : tickFormat_;
+        var subticks = d3_svg_axisSubdivide(scale, ticks, tickSubdivide), subtick = g.selectAll(".tick.minor").data(subticks, String), subtickEnter = subtick.enter().insert("line", ".tick").attr("class", "tick minor").style("opacity", 1e-6), subtickExit = d3.transition(subtick.exit()).style("opacity", 1e-6).remove(), subtickUpdate = d3.transition(subtick).style("opacity", 1);
+        var tick = g.selectAll(".tick.major").data(ticks, String), tickEnter = tick.enter().insert("g", "path").attr("class", "tick major").style("opacity", 1e-6), tickExit = d3.transition(tick.exit()).style("opacity", 1e-6).remove(), tickUpdate = d3.transition(tick).style("opacity", 1), tickTransform;
+        var range = d3_scaleRange(scale), path = g.selectAll(".domain").data([ 0 ]), pathUpdate = (path.enter().append("path").attr("class", "domain"), 
+        d3.transition(path));
+        var scale1 = scale.copy(), scale0 = this.__chart__ || scale1;
+        this.__chart__ = scale1;
+        tickEnter.append("line");
+        tickEnter.append("text");
+        var lineEnter = tickEnter.select("line"), lineUpdate = tickUpdate.select("line"), text = tick.select("text").text(tickFormat), textEnter = tickEnter.select("text"), textUpdate = tickUpdate.select("text");
+        switch (orient) {
+         case "bottom":
+          {
+            tickTransform = d3_svg_axisX;
+            subtickEnter.attr("y2", tickMinorSize);
+            subtickUpdate.attr("x2", 0).attr("y2", tickMinorSize);
+            lineEnter.attr("y2", tickMajorSize);
+            textEnter.attr("y", Math.max(tickMajorSize, 0) + tickPadding);
+            lineUpdate.attr("x2", 0).attr("y2", tickMajorSize);
+            textUpdate.attr("x", 0).attr("y", Math.max(tickMajorSize, 0) + tickPadding);
+            text.attr("dy", ".71em").style("text-anchor", "middle");
+            pathUpdate.attr("d", "M" + range[0] + "," + tickEndSize + "V0H" + range[1] + "V" + tickEndSize);
+            break;
+          }
+
+         case "top":
+          {
+            tickTransform = d3_svg_axisX;
+            subtickEnter.attr("y2", -tickMinorSize);
+            subtickUpdate.attr("x2", 0).attr("y2", -tickMinorSize);
+            lineEnter.attr("y2", -tickMajorSize);
+            textEnter.attr("y", -(Math.max(tickMajorSize, 0) + tickPadding));
+            lineUpdate.attr("x2", 0).attr("y2", -tickMajorSize);
+            textUpdate.attr("x", 0).attr("y", -(Math.max(tickMajorSize, 0) + tickPadding));
+            text.attr("dy", "0em").style("text-anchor", "middle");
+            pathUpdate.attr("d", "M" + range[0] + "," + -tickEndSize + "V0H" + range[1] + "V" + -tickEndSize);
+            break;
+          }
+
+         case "left":
+          {
+            tickTransform = d3_svg_axisY;
+            subtickEnter.attr("x2", -tickMinorSize);
+            subtickUpdate.attr("x2", -tickMinorSize).attr("y2", 0);
+            lineEnter.attr("x2", -tickMajorSize);
+            textEnter.attr("x", -(Math.max(tickMajorSize, 0) + tickPadding));
+            lineUpdate.attr("x2", -tickMajorSize).attr("y2", 0);
+            textUpdate.attr("x", -(Math.max(tickMajorSize, 0) + tickPadding)).attr("y", 0);
+            text.attr("dy", ".32em").style("text-anchor", "end");
+            pathUpdate.attr("d", "M" + -tickEndSize + "," + range[0] + "H0V" + range[1] + "H" + -tickEndSize);
+            break;
+          }
+
+         case "right":
+          {
+            tickTransform = d3_svg_axisY;
+            subtickEnter.attr("x2", tickMinorSize);
+            subtickUpdate.attr("x2", tickMinorSize).attr("y2", 0);
+            lineEnter.attr("x2", tickMajorSize);
+            textEnter.attr("x", Math.max(tickMajorSize, 0) + tickPadding);
+            lineUpdate.attr("x2", tickMajorSize).attr("y2", 0);
+            textUpdate.attr("x", Math.max(tickMajorSize, 0) + tickPadding).attr("y", 0);
+            text.attr("dy", ".32em").style("text-anchor", "start");
+            pathUpdate.attr("d", "M" + tickEndSize + "," + range[0] + "H0V" + range[1] + "H" + tickEndSize);
+            break;
+          }
+        }
+        if (scale.ticks) {
+          tickEnter.call(tickTransform, scale0);
+          tickUpdate.call(tickTransform, scale1);
+          tickExit.call(tickTransform, scale1);
+          subtickEnter.call(tickTransform, scale0);
+          subtickUpdate.call(tickTransform, scale1);
+          subtickExit.call(tickTransform, scale1);
+        } else {
+          var dx = scale1.rangeBand() / 2, x = function(d) {
+            return scale1(d) + dx;
+          };
+          tickEnter.call(tickTransform, x);
+          tickUpdate.call(tickTransform, x);
+        }
+      });
+    }
+    axis.scale = function(x) {
+      if (!arguments.length) return scale;
+      scale = x;
+      return axis;
+    };
+    axis.orient = function(x) {
+      if (!arguments.length) return orient;
+      orient = x in d3_svg_axisOrients ? x + "" : d3_svg_axisDefaultOrient;
+      return axis;
+    };
+    axis.ticks = function() {
+      if (!arguments.length) return tickArguments_;
+      tickArguments_ = arguments;
+      return axis;
+    };
+    axis.tickValues = function(x) {
+      if (!arguments.length) return tickValues;
+      tickValues = x;
+      return axis;
+    };
+    axis.tickFormat = function(x) {
+      if (!arguments.length) return tickFormat_;
+      tickFormat_ = x;
+      return axis;
+    };
+    axis.tickSize = function(x, y) {
+      if (!arguments.length) return tickMajorSize;
+      var n = arguments.length - 1;
+      tickMajorSize = +x;
+      tickMinorSize = n > 1 ? +y : tickMajorSize;
+      tickEndSize = n > 0 ? +arguments[n] : tickMajorSize;
+      return axis;
+    };
+    axis.tickPadding = function(x) {
+      if (!arguments.length) return tickPadding;
+      tickPadding = +x;
+      return axis;
+    };
+    axis.tickSubdivide = function(x) {
+      if (!arguments.length) return tickSubdivide;
+      tickSubdivide = +x;
+      return axis;
+    };
+    return axis;
+  };
+  var d3_svg_axisDefaultOrient = "bottom", d3_svg_axisOrients = {
+    top: 1,
+    right: 1,
+    bottom: 1,
+    left: 1
+  };
+  function d3_svg_axisX(selection, x) {
+    selection.attr("transform", function(d) {
+      return "translate(" + x(d) + ",0)";
+    });
+  }
+  function d3_svg_axisY(selection, y) {
+    selection.attr("transform", function(d) {
+      return "translate(0," + y(d) + ")";
+    });
+  }
+  function d3_svg_axisSubdivide(scale, ticks, m) {
+    subticks = [];
+    if (m && ticks.length > 1) {
+      var extent = d3_scaleExtent(scale.domain()), subticks, i = -1, n = ticks.length, d = (ticks[1] - ticks[0]) / ++m, j, v;
+      while (++i < n) {
+        for (j = m; --j > 0; ) {
+          if ((v = +ticks[i] - j * d) >= extent[0]) {
+            subticks.push(v);
+          }
+        }
+      }
+      for (--i, j = 0; ++j < m && (v = +ticks[i] + j * d) < extent[1]; ) {
+        subticks.push(v);
+      }
+    }
+    return subticks;
+  }
+  d3.svg.brush = function() {
+    var event = d3_eventDispatch(brush, "brushstart", "brush", "brushend"), x = null, y = null, resizes = d3_svg_brushResizes[0], extent = [ [ 0, 0 ], [ 0, 0 ] ], extentDomain;
+    function brush(g) {
+      g.each(function() {
+        var g = d3.select(this), bg = g.selectAll(".background").data([ 0 ]), fg = g.selectAll(".extent").data([ 0 ]), tz = g.selectAll(".resize").data(resizes, String), e;
+        g.style("pointer-events", "all").on("mousedown.brush", brushstart).on("touchstart.brush", brushstart);
+        bg.enter().append("rect").attr("class", "background").style("visibility", "hidden").style("cursor", "crosshair");
+        fg.enter().append("rect").attr("class", "extent").style("cursor", "move");
+        tz.enter().append("g").attr("class", function(d) {
+          return "resize " + d;
+        }).style("cursor", function(d) {
+          return d3_svg_brushCursor[d];
+        }).append("rect").attr("x", function(d) {
+          return /[ew]$/.test(d) ? -3 : null;
+        }).attr("y", function(d) {
+          return /^[ns]/.test(d) ? -3 : null;
+        }).attr("width", 6).attr("height", 6).style("visibility", "hidden");
+        tz.style("display", brush.empty() ? "none" : null);
+        tz.exit().remove();
+        if (x) {
+          e = d3_scaleRange(x);
+          bg.attr("x", e[0]).attr("width", e[1] - e[0]);
+          redrawX(g);
+        }
+        if (y) {
+          e = d3_scaleRange(y);
+          bg.attr("y", e[0]).attr("height", e[1] - e[0]);
+          redrawY(g);
+        }
+        redraw(g);
+      });
+    }
+    function redraw(g) {
+      g.selectAll(".resize").attr("transform", function(d) {
+        return "translate(" + extent[+/e$/.test(d)][0] + "," + extent[+/^s/.test(d)][1] + ")";
+      });
+    }
+    function redrawX(g) {
+      g.select(".extent").attr("x", extent[0][0]);
+      g.selectAll(".extent,.n>rect,.s>rect").attr("width", extent[1][0] - extent[0][0]);
+    }
+    function redrawY(g) {
+      g.select(".extent").attr("y", extent[0][1]);
+      g.selectAll(".extent,.e>rect,.w>rect").attr("height", extent[1][1] - extent[0][1]);
+    }
+    function brushstart() {
+      var target = this, eventTarget = d3.select(d3.event.target), event_ = event.of(target, arguments), g = d3.select(target), resizing = eventTarget.datum(), resizingX = !/^(n|s)$/.test(resizing) && x, resizingY = !/^(e|w)$/.test(resizing) && y, dragging = eventTarget.classed("extent"), center, origin = mouse(), offset;
+      var w = d3.select(d3_window).on("mousemove.brush", brushmove).on("mouseup.brush", brushend).on("touchmove.brush", brushmove).on("touchend.brush", brushend).on("keydown.brush", keydown).on("keyup.brush", keyup);
+      if (dragging) {
+        origin[0] = extent[0][0] - origin[0];
+        origin[1] = extent[0][1] - origin[1];
+      } else if (resizing) {
+        var ex = +/w$/.test(resizing), ey = +/^n/.test(resizing);
+        offset = [ extent[1 - ex][0] - origin[0], extent[1 - ey][1] - origin[1] ];
+        origin[0] = extent[ex][0];
+        origin[1] = extent[ey][1];
+      } else if (d3.event.altKey) center = origin.slice();
+      g.style("pointer-events", "none").selectAll(".resize").style("display", null);
+      d3.select("body").style("cursor", eventTarget.style("cursor"));
+      event_({
+        type: "brushstart"
+      });
+      brushmove();
+      d3_eventCancel();
+      function mouse() {
+        var touches = d3.event.changedTouches;
+        return touches ? d3.touches(target, touches)[0] : d3.mouse(target);
+      }
+      function keydown() {
+        if (d3.event.keyCode == 32) {
+          if (!dragging) {
+            center = null;
+            origin[0] -= extent[1][0];
+            origin[1] -= extent[1][1];
+            dragging = 2;
+          }
+          d3_eventCancel();
+        }
+      }
+      function keyup() {
+        if (d3.event.keyCode == 32 && dragging == 2) {
+          origin[0] += extent[1][0];
+          origin[1] += extent[1][1];
+          dragging = 0;
+          d3_eventCancel();
+        }
+      }
+      function brushmove() {
+        var point = mouse(), moved = false;
+        if (offset) {
+          point[0] += offset[0];
+          point[1] += offset[1];
+        }
+        if (!dragging) {
+          if (d3.event.altKey) {
+            if (!center) center = [ (extent[0][0] + extent[1][0]) / 2, (extent[0][1] + extent[1][1]) / 2 ];
+            origin[0] = extent[+(point[0] < center[0])][0];
+            origin[1] = extent[+(point[1] < center[1])][1];
+          } else center = null;
+        }
+        if (resizingX && move1(point, x, 0)) {
+          redrawX(g);
+          moved = true;
+        }
+        if (resizingY && move1(point, y, 1)) {
+          redrawY(g);
+          moved = true;
+        }
+        if (moved) {
+          redraw(g);
+          event_({
+            type: "brush",
+            mode: dragging ? "move" : "resize"
+          });
+        }
+      }
+      function move1(point, scale, i) {
+        var range = d3_scaleRange(scale), r0 = range[0], r1 = range[1], position = origin[i], size = extent[1][i] - extent[0][i], min, max;
+        if (dragging) {
+          r0 -= position;
+          r1 -= size + position;
+        }
+        min = Math.max(r0, Math.min(r1, point[i]));
+        if (dragging) {
+          max = (min += position) + size;
+        } else {
+          if (center) position = Math.max(r0, Math.min(r1, 2 * center[i] - min));
+          if (position < min) {
+            max = min;
+            min = position;
+          } else {
+            max = position;
+          }
+        }
+        if (extent[0][i] !== min || extent[1][i] !== max) {
+          extentDomain = null;
+          extent[0][i] = min;
+          extent[1][i] = max;
+          return true;
+        }
+      }
+      function brushend() {
+        brushmove();
+        g.style("pointer-events", "all").selectAll(".resize").style("display", brush.empty() ? "none" : null);
+        d3.select("body").style("cursor", null);
+        w.on("mousemove.brush", null).on("mouseup.brush", null).on("touchmove.brush", null).on("touchend.brush", null).on("keydown.brush", null).on("keyup.brush", null);
+        event_({
+          type: "brushend"
+        });
+        d3_eventCancel();
+      }
+    }
+    brush.x = function(z) {
+      if (!arguments.length) return x;
+      x = z;
+      resizes = d3_svg_brushResizes[!x << 1 | !y];
+      return brush;
+    };
+    brush.y = function(z) {
+      if (!arguments.length) return y;
+      y = z;
+      resizes = d3_svg_brushResizes[!x << 1 | !y];
+      return brush;
+    };
+    brush.extent = function(z) {
+      var x0, x1, y0, y1, t;
+      if (!arguments.length) {
+        z = extentDomain || extent;
+        if (x) {
+          x0 = z[0][0], x1 = z[1][0];
+          if (!extentDomain) {
+            x0 = extent[0][0], x1 = extent[1][0];
+            if (x.invert) x0 = x.invert(x0), x1 = x.invert(x1);
+            if (x1 < x0) t = x0, x0 = x1, x1 = t;
+          }
+        }
+        if (y) {
+          y0 = z[0][1], y1 = z[1][1];
+          if (!extentDomain) {
+            y0 = extent[0][1], y1 = extent[1][1];
+            if (y.invert) y0 = y.invert(y0), y1 = y.invert(y1);
+            if (y1 < y0) t = y0, y0 = y1, y1 = t;
+          }
+        }
+        return x && y ? [ [ x0, y0 ], [ x1, y1 ] ] : x ? [ x0, x1 ] : y && [ y0, y1 ];
+      }
+      extentDomain = [ [ 0, 0 ], [ 0, 0 ] ];
+      if (x) {
+        x0 = z[0], x1 = z[1];
+        if (y) x0 = x0[0], x1 = x1[0];
+        extentDomain[0][0] = x0, extentDomain[1][0] = x1;
+        if (x.invert) x0 = x(x0), x1 = x(x1);
+        if (x1 < x0) t = x0, x0 = x1, x1 = t;
+        extent[0][0] = x0 | 0, extent[1][0] = x1 | 0;
+      }
+      if (y) {
+        y0 = z[0], y1 = z[1];
+        if (x) y0 = y0[1], y1 = y1[1];
+        extentDomain[0][1] = y0, extentDomain[1][1] = y1;
+        if (y.invert) y0 = y(y0), y1 = y(y1);
+        if (y1 < y0) t = y0, y0 = y1, y1 = t;
+        extent[0][1] = y0 | 0, extent[1][1] = y1 | 0;
+      }
+      return brush;
+    };
+    brush.clear = function() {
+      extentDomain = null;
+      extent[0][0] = extent[0][1] = extent[1][0] = extent[1][1] = 0;
+      return brush;
+    };
+    brush.empty = function() {
+      return x && extent[0][0] === extent[1][0] || y && extent[0][1] === extent[1][1];
+    };
+    return d3.rebind(brush, event, "on");
+  };
+  var d3_svg_brushCursor = {
+    n: "ns-resize",
+    e: "ew-resize",
+    s: "ns-resize",
+    w: "ew-resize",
+    nw: "nwse-resize",
+    ne: "nesw-resize",
+    se: "nwse-resize",
+    sw: "nesw-resize"
+  };
+  var d3_svg_brushResizes = [ [ "n", "e", "s", "w", "nw", "ne", "se", "sw" ], [ "e", "w" ], [ "n", "s" ], [] ];
+  d3.time = {};
+  var d3_time = Date, d3_time_daySymbols = [ "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" ];
+  function d3_time_utc() {
+    this._ = new Date(arguments.length > 1 ? Date.UTC.apply(this, arguments) : arguments[0]);
+  }
+  d3_time_utc.prototype = {
+    getDate: function() {
+      return this._.getUTCDate();
+    },
+    getDay: function() {
+      return this._.getUTCDay();
+    },
+    getFullYear: function() {
+      return this._.getUTCFullYear();
+    },
+    getHours: function() {
+      return this._.getUTCHours();
+    },
+    getMilliseconds: function() {
+      return this._.getUTCMilliseconds();
+    },
+    getMinutes: function() {
+      return this._.getUTCMinutes();
+    },
+    getMonth: function() {
+      return this._.getUTCMonth();
+    },
+    getSeconds: function() {
+      return this._.getUTCSeconds();
+    },
+    getTime: function() {
+      return this._.getTime();
+    },
+    getTimezoneOffset: function() {
+      return 0;
+    },
+    valueOf: function() {
+      return this._.valueOf();
+    },
+    setDate: function() {
+      d3_time_prototype.setUTCDate.apply(this._, arguments);
+    },
+    setDay: function() {
+      d3_time_prototype.setUTCDay.apply(this._, arguments);
+    },
+    setFullYear: function() {
+      d3_time_prototype.setUTCFullYear.apply(this._, arguments);
+    },
+    setHours: function() {
+      d3_time_prototype.setUTCHours.apply(this._, arguments);
+    },
+    setMilliseconds: function() {
+      d3_time_prototype.setUTCMilliseconds.apply(this._, arguments);
+    },
+    setMinutes: function() {
+      d3_time_prototype.setUTCMinutes.apply(this._, arguments);
+    },
+    setMonth: function() {
+      d3_time_prototype.setUTCMonth.apply(this._, arguments);
+    },
+    setSeconds: function() {
+      d3_time_prototype.setUTCSeconds.apply(this._, arguments);
+    },
+    setTime: function() {
+      d3_time_prototype.setTime.apply(this._, arguments);
+    }
+  };
+  var d3_time_prototype = Date.prototype;
+  var d3_time_formatDateTime = "%a %b %e %X %Y", d3_time_formatDate = "%m/%d/%Y", d3_time_formatTime = "%H:%M:%S";
+  var d3_time_days = [ "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" ], d3_time_dayAbbreviations = [ "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" ], d3_time_months = [ "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" ], d3_time_monthAbbreviations = [ "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" ];
+  function d3_time_interval(local, step, number) {
+    function round(date) {
+      var d0 = local(date), d1 = offset(d0, 1);
+      return date - d0 < d1 - date ? d0 : d1;
+    }
+    function ceil(date) {
+      step(date = local(new d3_time(date - 1)), 1);
+      return date;
+    }
+    function offset(date, k) {
+      step(date = new d3_time(+date), k);
+      return date;
+    }
+    function range(t0, t1, dt) {
+      var time = ceil(t0), times = [];
+      if (dt > 1) {
+        while (time < t1) {
+          if (!(number(time) % dt)) times.push(new Date(+time));
+          step(time, 1);
+        }
+      } else {
+        while (time < t1) times.push(new Date(+time)), step(time, 1);
+      }
+      return times;
+    }
+    function range_utc(t0, t1, dt) {
+      try {
+        d3_time = d3_time_utc;
+        var utc = new d3_time_utc();
+        utc._ = t0;
+        return range(utc, t1, dt);
+      } finally {
+        d3_time = Date;
+      }
+    }
+    local.floor = local;
+    local.round = round;
+    local.ceil = ceil;
+    local.offset = offset;
+    local.range = range;
+    var utc = local.utc = d3_time_interval_utc(local);
+    utc.floor = utc;
+    utc.round = d3_time_interval_utc(round);
+    utc.ceil = d3_time_interval_utc(ceil);
+    utc.offset = d3_time_interval_utc(offset);
+    utc.range = range_utc;
+    return local;
+  }
+  function d3_time_interval_utc(method) {
+    return function(date, k) {
+      try {
+        d3_time = d3_time_utc;
+        var utc = new d3_time_utc();
+        utc._ = date;
+        return method(utc, k)._;
+      } finally {
+        d3_time = Date;
+      }
+    };
+  }
+  d3.time.year = d3_time_interval(function(date) {
+    date = d3.time.day(date);
+    date.setMonth(0, 1);
+    return date;
+  }, function(date, offset) {
+    date.setFullYear(date.getFullYear() + offset);
+  }, function(date) {
+    return date.getFullYear();
+  });
+  d3.time.years = d3.time.year.range;
+  d3.time.years.utc = d3.time.year.utc.range;
+  d3.time.day = d3_time_interval(function(date) {
+    var day = new d3_time(1970, 0);
+    day.setFullYear(date.getFullYear(), date.getMonth(), date.getDate());
+    return day;
+  }, function(date, offset) {
+    date.setDate(date.getDate() + offset);
+  }, function(date) {
+    return date.getDate() - 1;
+  });
+  d3.time.days = d3.time.day.range;
+  d3.time.days.utc = d3.time.day.utc.range;
+  d3.time.dayOfYear = function(date) {
+    var year = d3.time.year(date);
+    return Math.floor((date - year - (date.getTimezoneOffset() - year.getTimezoneOffset()) * 6e4) / 864e5);
+  };
+  d3_time_daySymbols.forEach(function(day, i) {
+    day = day.toLowerCase();
+    i = 7 - i;
+    var interval = d3.time[day] = d3_time_interval(function(date) {
+      (date = d3.time.day(date)).setDate(date.getDate() - (date.getDay() + i) % 7);
+      return date;
+    }, function(date, offset) {
+      date.setDate(date.getDate() + Math.floor(offset) * 7);
+    }, function(date) {
+      var day = d3.time.year(date).getDay();
+      return Math.floor((d3.time.dayOfYear(date) + (day + i) % 7) / 7) - (day !== i);
+    });
+    d3.time[day + "s"] = interval.range;
+    d3.time[day + "s"].utc = interval.utc.range;
+    d3.time[day + "OfYear"] = function(date) {
+      var day = d3.time.year(date).getDay();
+      return Math.floor((d3.time.dayOfYear(date) + (day + i) % 7) / 7);
+    };
+  });
+  d3.time.week = d3.time.sunday;
+  d3.time.weeks = d3.time.sunday.range;
+  d3.time.weeks.utc = d3.time.sunday.utc.range;
+  d3.time.weekOfYear = d3.time.sundayOfYear;
+  d3.time.format = function(template) {
+    var n = template.length;
+    function format(date) {
+      var string = [], i = -1, j = 0, c, p, f;
+      while (++i < n) {
+        if (template.charCodeAt(i) === 37) {
+          string.push(template.substring(j, i));
+          if ((p = d3_time_formatPads[c = template.charAt(++i)]) != null) c = template.charAt(++i);
+          if (f = d3_time_formats[c]) c = f(date, p == null ? c === "e" ? " " : "0" : p);
+          string.push(c);
+          j = i + 1;
+        }
+      }
+      string.push(template.substring(j, i));
+      return string.join("");
+    }
+    format.parse = function(string) {
+      var d = {
+        y: 1900,
+        m: 0,
+        d: 1,
+        H: 0,
+        M: 0,
+        S: 0,
+        L: 0
+      }, i = d3_time_parse(d, template, string, 0);
+      if (i != string.length) return null;
+      if ("p" in d) d.H = d.H % 12 + d.p * 12;
+      var date = new d3_time();
+      date.setFullYear(d.y, d.m, d.d);
+      date.setHours(d.H, d.M, d.S, d.L);
+      return date;
+    };
+    format.toString = function() {
+      return template;
+    };
+    return format;
+  };
+  function d3_time_parse(date, template, string, j) {
+    var c, p, i = 0, n = template.length, m = string.length;
+    while (i < n) {
+      if (j >= m) return -1;
+      c = template.charCodeAt(i++);
+      if (c === 37) {
+        p = d3_time_parsers[template.charAt(i++)];
+        if (!p || (j = p(date, string, j)) < 0) return -1;
+      } else if (c != string.charCodeAt(j++)) {
+        return -1;
+      }
+    }
+    return j;
+  }
+  function d3_time_formatRe(names) {
+    return new RegExp("^(?:" + names.map(d3.requote).join("|") + ")", "i");
+  }
+  function d3_time_formatLookup(names) {
+    var map = new d3_Map(), i = -1, n = names.length;
+    while (++i < n) map.set(names[i].toLowerCase(), i);
+    return map;
+  }
+  function d3_time_formatPad(value, fill, width) {
+    value += "";
+    var length = value.length;
+    return length < width ? new Array(width - length + 1).join(fill) + value : value;
+  }
+  var d3_time_dayRe = d3_time_formatRe(d3_time_days), d3_time_dayAbbrevRe = d3_time_formatRe(d3_time_dayAbbreviations), d3_time_monthRe = d3_time_formatRe(d3_time_months), d3_time_monthLookup = d3_time_formatLookup(d3_time_months), d3_time_monthAbbrevRe = d3_time_formatRe(d3_time_monthAbbreviations), d3_time_monthAbbrevLookup = d3_time_formatLookup(d3_time_monthAbbreviations);
+  var d3_time_formatPads = {
+    "-": "",
+    _: " ",
+    "0": "0"
+  };
+  var d3_time_formats = {
+    a: function(d) {
+      return d3_time_dayAbbreviations[d.getDay()];
+    },
+    A: function(d) {
+      return d3_time_days[d.getDay()];
+    },
+    b: function(d) {
+      return d3_time_monthAbbreviations[d.getMonth()];
+    },
+    B: function(d) {
+      return d3_time_months[d.getMonth()];
+    },
+    c: d3.time.format(d3_time_formatDateTime),
+    d: function(d, p) {
+      return d3_time_formatPad(d.getDate(), p, 2);
+    },
+    e: function(d, p) {
+      return d3_time_formatPad(d.getDate(), p, 2);
+    },
+    H: function(d, p) {
+      return d3_time_formatPad(d.getHours(), p, 2);
+    },
+    I: function(d, p) {
+      return d3_time_formatPad(d.getHours() % 12 || 12, p, 2);
+    },
+    j: function(d, p) {
+      return d3_time_formatPad(1 + d3.time.dayOfYear(d), p, 3);
+    },
+    L: function(d, p) {
+      return d3_time_formatPad(d.getMilliseconds(), p, 3);
+    },
+    m: function(d, p) {
+      return d3_time_formatPad(d.getMonth() + 1, p, 2);
+    },
+    M: function(d, p) {
+      return d3_time_formatPad(d.getMinutes(), p, 2);
+    },
+    p: function(d) {
+      return d.getHours() >= 12 ? "PM" : "AM";
+    },
+    S: function(d, p) {
+      return d3_time_formatPad(d.getSeconds(), p, 2);
+    },
+    U: function(d, p) {
+      return d3_time_formatPad(d3.time.sundayOfYear(d), p, 2);
+    },
+    w: function(d) {
+      return d.getDay();
+    },
+    W: function(d, p) {
+      return d3_time_formatPad(d3.time.mondayOfYear(d), p, 2);
+    },
+    x: d3.time.format(d3_time_formatDate),
+    X: d3.time.format(d3_time_formatTime),
+    y: function(d, p) {
+      return d3_time_formatPad(d.getFullYear() % 100, p, 2);
+    },
+    Y: function(d, p) {
+      return d3_time_formatPad(d.getFullYear() % 1e4, p, 4);
+    },
+    Z: d3_time_zone,
+    "%": function() {
+      return "%";
+    }
+  };
+  var d3_time_parsers = {
+    a: d3_time_parseWeekdayAbbrev,
+    A: d3_time_parseWeekday,
+    b: d3_time_parseMonthAbbrev,
+    B: d3_time_parseMonth,
+    c: d3_time_parseLocaleFull,
+    d: d3_time_parseDay,
+    e: d3_time_parseDay,
+    H: d3_time_parseHour24,
+    I: d3_time_parseHour24,
+    L: d3_time_parseMilliseconds,
+    m: d3_time_parseMonthNumber,
+    M: d3_time_parseMinutes,
+    p: d3_time_parseAmPm,
+    S: d3_time_parseSeconds,
+    x: d3_time_parseLocaleDate,
+    X: d3_time_parseLocaleTime,
+    y: d3_time_parseYear,
+    Y: d3_time_parseFullYear
+  };
+  function d3_time_parseWeekdayAbbrev(date, string, i) {
+    d3_time_dayAbbrevRe.lastIndex = 0;
+    var n = d3_time_dayAbbrevRe.exec(string.substring(i));
+    return n ? i += n[0].length : -1;
+  }
+  function d3_time_parseWeekday(date, string, i) {
+    d3_time_dayRe.lastIndex = 0;
+    var n = d3_time_dayRe.exec(string.substring(i));
+    return n ? i += n[0].length : -1;
+  }
+  function d3_time_parseMonthAbbrev(date, string, i) {
+    d3_time_monthAbbrevRe.lastIndex = 0;
+    var n = d3_time_monthAbbrevRe.exec(string.substring(i));
+    return n ? (date.m = d3_time_monthAbbrevLookup.get(n[0].toLowerCase()), i += n[0].length) : -1;
+  }
+  function d3_time_parseMonth(date, string, i) {
+    d3_time_monthRe.lastIndex = 0;
+    var n = d3_time_monthRe.exec(string.substring(i));
+    return n ? (date.m = d3_time_monthLookup.get(n[0].toLowerCase()), i += n[0].length) : -1;
+  }
+  function d3_time_parseLocaleFull(date, string, i) {
+    return d3_time_parse(date, d3_time_formats.c.toString(), string, i);
+  }
+  function d3_time_parseLocaleDate(date, string, i) {
+    return d3_time_parse(date, d3_time_formats.x.toString(), string, i);
+  }
+  function d3_time_parseLocaleTime(date, string, i) {
+    return d3_time_parse(date, d3_time_formats.X.toString(), string, i);
+  }
+  function d3_time_parseFullYear(date, string, i) {
+    d3_time_numberRe.lastIndex = 0;
+    var n = d3_time_numberRe.exec(string.substring(i, i + 4));
+    return n ? (date.y = +n[0], i += n[0].length) : -1;
+  }
+  function d3_time_parseYear(date, string, i) {
+    d3_time_numberRe.lastIndex = 0;
+    var n = d3_time_numberRe.exec(string.substring(i, i + 2));
+    return n ? (date.y = d3_time_expandYear(+n[0]), i += n[0].length) : -1;
+  }
+  function d3_time_expandYear(d) {
+    return d + (d > 68 ? 1900 : 2e3);
+  }
+  function d3_time_parseMonthNumber(date, string, i) {
+    d3_time_numberRe.lastIndex = 0;
+    var n = d3_time_numberRe.exec(string.substring(i, i + 2));
+    return n ? (date.m = n[0] - 1, i += n[0].length) : -1;
+  }
+  function d3_time_parseDay(date, string, i) {
+    d3_time_numberRe.lastIndex = 0;
+    var n = d3_time_numberRe.exec(string.substring(i, i + 2));
+    return n ? (date.d = +n[0], i += n[0].length) : -1;
+  }
+  function d3_time_parseHour24(date, string, i) {
+    d3_time_numberRe.lastIndex = 0;
+    var n = d3_time_numberRe.exec(string.substring(i, i + 2));
+    return n ? (date.H = +n[0], i += n[0].length) : -1;
+  }
+  function d3_time_parseMinutes(date, string, i) {
+    d3_time_numberRe.lastIndex = 0;
+    var n = d3_time_numberRe.exec(string.substring(i, i + 2));
+    return n ? (date.M = +n[0], i += n[0].length) : -1;
+  }
+  function d3_time_parseSeconds(date, string, i) {
+    d3_time_numberRe.lastIndex = 0;
+    var n = d3_time_numberRe.exec(string.substring(i, i + 2));
+    return n ? (date.S = +n[0], i += n[0].length) : -1;
+  }
+  function d3_time_parseMilliseconds(date, string, i) {
+    d3_time_numberRe.lastIndex = 0;
+    var n = d3_time_numberRe.exec(string.substring(i, i + 3));
+    return n ? (date.L = +n[0], i += n[0].length) : -1;
+  }
+  var d3_time_numberRe = /^\s*\d+/;
+  function d3_time_parseAmPm(date, string, i) {
+    var n = d3_time_amPmLookup.get(string.substring(i, i += 2).toLowerCase());
+    return n == null ? -1 : (date.p = n, i);
+  }
+  var d3_time_amPmLookup = d3.map({
+    am: 0,
+    pm: 1
+  });
+  function d3_time_zone(d) {
+    var z = d.getTimezoneOffset(), zs = z > 0 ? "-" : "+", zh = ~~(Math.abs(z) / 60), zm = Math.abs(z) % 60;
+    return zs + d3_time_formatPad(zh, "0", 2) + d3_time_formatPad(zm, "0", 2);
+  }
+  d3.time.format.utc = function(template) {
+    var local = d3.time.format(template);
+    function format(date) {
+      try {
+        d3_time = d3_time_utc;
+        var utc = new d3_time();
+        utc._ = date;
+        return local(utc);
+      } finally {
+        d3_time = Date;
+      }
+    }
+    format.parse = function(string) {
+      try {
+        d3_time = d3_time_utc;
+        var date = local.parse(string);
+        return date && date._;
+      } finally {
+        d3_time = Date;
+      }
+    };
+    format.toString = local.toString;
+    return format;
+  };
+  var d3_time_formatIso = d3.time.format.utc("%Y-%m-%dT%H:%M:%S.%LZ");
+  d3.time.format.iso = Date.prototype.toISOString && +new Date("2000-01-01T00:00:00.000Z") ? d3_time_formatIsoNative : d3_time_formatIso;
+  function d3_time_formatIsoNative(date) {
+    return date.toISOString();
+  }
+  d3_time_formatIsoNative.parse = function(string) {
+    var date = new Date(string);
+    return isNaN(date) ? null : date;
+  };
+  d3_time_formatIsoNative.toString = d3_time_formatIso.toString;
+  d3.time.second = d3_time_interval(function(date) {
+    return new d3_time(Math.floor(date / 1e3) * 1e3);
+  }, function(date, offset) {
+    date.setTime(date.getTime() + Math.floor(offset) * 1e3);
+  }, function(date) {
+    return date.getSeconds();
+  });
+  d3.time.seconds = d3.time.second.range;
+  d3.time.seconds.utc = d3.time.second.utc.range;
+  d3.time.minute = d3_time_interval(function(date) {
+    return new d3_time(Math.floor(date / 6e4) * 6e4);
+  }, function(date, offset) {
+    date.setTime(date.getTime() + Math.floor(offset) * 6e4);
+  }, function(date) {
+    return date.getMinutes();
+  });
+  d3.time.minutes = d3.time.minute.range;
+  d3.time.minutes.utc = d3.time.minute.utc.range;
+  d3.time.hour = d3_time_interval(function(date) {
+    var timezone = date.getTimezoneOffset() / 60;
+    return new d3_time((Math.floor(date / 36e5 - timezone) + timezone) * 36e5);
+  }, function(date, offset) {
+    date.setTime(date.getTime() + Math.floor(offset) * 36e5);
+  }, function(date) {
+    return date.getHours();
+  });
+  d3.time.hours = d3.time.hour.range;
+  d3.time.hours.utc = d3.time.hour.utc.range;
+  d3.time.month = d3_time_interval(function(date) {
+    date = d3.time.day(date);
+    date.setDate(1);
+    return date;
+  }, function(date, offset) {
+    date.setMonth(date.getMonth() + offset);
+  }, function(date) {
+    return date.getMonth();
+  });
+  d3.time.months = d3.time.month.range;
+  d3.time.months.utc = d3.time.month.utc.range;
+  function d3_time_scale(linear, methods, format) {
+    function scale(x) {
+      return linear(x);
+    }
+    scale.invert = function(x) {
+      return d3_time_scaleDate(linear.invert(x));
+    };
+    scale.domain = function(x) {
+      if (!arguments.length) return linear.domain().map(d3_time_scaleDate);
+      linear.domain(x);
+      return scale;
+    };
+    scale.nice = function(m) {
+      return scale.domain(d3_scale_nice(scale.domain(), function() {
+        return m;
+      }));
+    };
+    scale.ticks = function(m, k) {
+      var extent = d3_time_scaleExtent(scale.domain());
+      if (typeof m !== "function") {
+        var span = extent[1] - extent[0], target = span / m, i = d3.bisect(d3_time_scaleSteps, target);
+        if (i == d3_time_scaleSteps.length) return methods.year(extent, m);
+        if (!i) return linear.ticks(m).map(d3_time_scaleDate);
+        if (Math.log(target / d3_time_scaleSteps[i - 1]) < Math.log(d3_time_scaleSteps[i] / target)) --i;
+        m = methods[i];
+        k = m[1];
+        m = m[0].range;
+      }
+      return m(extent[0], new Date(+extent[1] + 1), k);
+    };
+    scale.tickFormat = function() {
+      return format;
+    };
+    scale.copy = function() {
+      return d3_time_scale(linear.copy(), methods, format);
+    };
+    return d3.rebind(scale, linear, "range", "rangeRound", "interpolate", "clamp");
+  }
+  function d3_time_scaleExtent(domain) {
+    var start = domain[0], stop = domain[domain.length - 1];
+    return start < stop ? [ start, stop ] : [ stop, start ];
+  }
+  function d3_time_scaleDate(t) {
+    return new Date(t);
+  }
+  function d3_time_scaleFormat(formats) {
+    return function(date) {
+      var i = formats.length - 1, f = formats[i];
+      while (!f[1](date)) f = formats[--i];
+      return f[0](date);
+    };
+  }
+  function d3_time_scaleSetYear(y) {
+    var d = new Date(y, 0, 1);
+    d.setFullYear(y);
+    return d;
+  }
+  function d3_time_scaleGetYear(d) {
+    var y = d.getFullYear(), d0 = d3_time_scaleSetYear(y), d1 = d3_time_scaleSetYear(y + 1);
+    return y + (d - d0) / (d1 - d0);
+  }
+  var d3_time_scaleSteps = [ 1e3, 5e3, 15e3, 3e4, 6e4, 3e5, 9e5, 18e5, 36e5, 108e5, 216e5, 432e5, 864e5, 1728e5, 6048e5, 2592e6, 7776e6, 31536e6 ];
+  var d3_time_scaleLocalMethods = [ [ d3.time.second, 1 ], [ d3.time.second, 5 ], [ d3.time.second, 15 ], [ d3.time.second, 30 ], [ d3.time.minute, 1 ], [ d3.time.minute, 5 ], [ d3.time.minute, 15 ], [ d3.time.minute, 30 ], [ d3.time.hour, 1 ], [ d3.time.hour, 3 ], [ d3.time.hour, 6 ], [ d3.time.hour, 12 ], [ d3.time.day, 1 ], [ d3.time.day, 2 ], [ d3.time.week, 1 ], [ d3.time.month, 1 ], [ d3.time.month, 3 ], [ d3.time.year, 1 ] ];
+  var d3_time_scaleLocalFormats = [ [ d3.time.format("%Y"), d3_true ], [ d3.time.format("%B"), function(d) {
+    return d.getMonth();
+  } ], [ d3.time.format("%b %d"), function(d) {
+    return d.getDate() != 1;
+  } ], [ d3.time.format("%a %d"), function(d) {
+    return d.getDay() && d.getDate() != 1;
+  } ], [ d3.time.format("%I %p"), function(d) {
+    return d.getHours();
+  } ], [ d3.time.format("%I:%M"), function(d) {
+    return d.getMinutes();
+  } ], [ d3.time.format(":%S"), function(d) {
+    return d.getSeconds();
+  } ], [ d3.time.format(".%L"), function(d) {
+    return d.getMilliseconds();
+  } ] ];
+  var d3_time_scaleLinear = d3.scale.linear(), d3_time_scaleLocalFormat = d3_time_scaleFormat(d3_time_scaleLocalFormats);
+  d3_time_scaleLocalMethods.year = function(extent, m) {
+    return d3_time_scaleLinear.domain(extent.map(d3_time_scaleGetYear)).ticks(m).map(d3_time_scaleSetYear);
+  };
+  d3.time.scale = function() {
+    return d3_time_scale(d3.scale.linear(), d3_time_scaleLocalMethods, d3_time_scaleLocalFormat);
+  };
+  var d3_time_scaleUTCMethods = d3_time_scaleLocalMethods.map(function(m) {
+    return [ m[0].utc, m[1] ];
+  });
+  var d3_time_scaleUTCFormats = [ [ d3.time.format.utc("%Y"), d3_true ], [ d3.time.format.utc("%B"), function(d) {
+    return d.getUTCMonth();
+  } ], [ d3.time.format.utc("%b %d"), function(d) {
+    return d.getUTCDate() != 1;
+  } ], [ d3.time.format.utc("%a %d"), function(d) {
+    return d.getUTCDay() && d.getUTCDate() != 1;
+  } ], [ d3.time.format.utc("%I %p"), function(d) {
+    return d.getUTCHours();
+  } ], [ d3.time.format.utc("%I:%M"), function(d) {
+    return d.getUTCMinutes();
+  } ], [ d3.time.format.utc(":%S"), function(d) {
+    return d.getUTCSeconds();
+  } ], [ d3.time.format.utc(".%L"), function(d) {
+    return d.getUTCMilliseconds();
+  } ] ];
+  var d3_time_scaleUTCFormat = d3_time_scaleFormat(d3_time_scaleUTCFormats);
+  function d3_time_scaleUTCSetYear(y) {
+    var d = new Date(Date.UTC(y, 0, 1));
+    d.setUTCFullYear(y);
+    return d;
+  }
+  function d3_time_scaleUTCGetYear(d) {
+    var y = d.getUTCFullYear(), d0 = d3_time_scaleUTCSetYear(y), d1 = d3_time_scaleUTCSetYear(y + 1);
+    return y + (d - d0) / (d1 - d0);
+  }
+  d3_time_scaleUTCMethods.year = function(extent, m) {
+    return d3_time_scaleLinear.domain(extent.map(d3_time_scaleUTCGetYear)).ticks(m).map(d3_time_scaleUTCSetYear);
+  };
+  d3.time.scale.utc = function() {
+    return d3_time_scale(d3.scale.linear(), d3_time_scaleUTCMethods, d3_time_scaleUTCFormat);
+  };
+  d3.text = function() {
+    return d3.xhr.apply(d3, arguments).response(d3_text);
+  };
+  function d3_text(request) {
+    return request.responseText;
+  }
+  d3.json = function(url, callback) {
+    return d3.xhr(url, "application/json", callback).response(d3_json);
+  };
+  function d3_json(request) {
+    return JSON.parse(request.responseText);
+  }
+  d3.html = function(url, callback) {
+    return d3.xhr(url, "text/html", callback).response(d3_html);
+  };
+  function d3_html(request) {
+    var range = d3_document.createRange();
+    range.selectNode(d3_document.body);
+    return range.createContextualFragment(request.responseText);
+  }
+  d3.xml = function() {
+    return d3.xhr.apply(d3, arguments).response(d3_xml);
+  };
+  function d3_xml(request) {
+    return request.responseXML;
+  }
+  return d3;
+}();
\ No newline at end of file
diff --git a/wqflask/wqflask/static/packages/novus-nvd3-d51729c/lib/fisheye.js b/wqflask/wqflask/static/packages/novus-nvd3-d51729c/lib/fisheye.js
new file mode 100755
index 00000000..e1addd7b
--- /dev/null
+++ b/wqflask/wqflask/static/packages/novus-nvd3-d51729c/lib/fisheye.js
@@ -0,0 +1,86 @@
+(function() {
+  d3.fisheye = {
+    scale: function(scaleType) {
+      return d3_fisheye_scale(scaleType(), 3, 0);
+    },
+    circular: function() {
+      var radius = 200,
+          distortion = 2,
+          k0,
+          k1,
+          focus = [0, 0];
+
+      function fisheye(d) {
+        var dx = d.x - focus[0],
+            dy = d.y - focus[1],
+            dd = Math.sqrt(dx * dx + dy * dy);
+        if (!dd || dd >= radius) return {x: d.x, y: d.y, z: 1};
+        var k = k0 * (1 - Math.exp(-dd * k1)) / dd * .75 + .25;
+        return {x: focus[0] + dx * k, y: focus[1] + dy * k, z: Math.min(k, 10)};
+      }
+
+      function rescale() {
+        k0 = Math.exp(distortion);
+        k0 = k0 / (k0 - 1) * radius;
+        k1 = distortion / radius;
+        return fisheye;
+      }
+
+      fisheye.radius = function(_) {
+        if (!arguments.length) return radius;
+        radius = +_;
+        return rescale();
+      };
+
+      fisheye.distortion = function(_) {
+        if (!arguments.length) return distortion;
+        distortion = +_;
+        return rescale();
+      };
+
+      fisheye.focus = function(_) {
+        if (!arguments.length) return focus;
+        focus = _;
+        return fisheye;
+      };
+
+      return rescale();
+    }
+  };
+
+  function d3_fisheye_scale(scale, d, a) {
+
+    function fisheye(_) {
+      var x = scale(_),
+          left = x < a,
+          v,
+          range = d3.extent(scale.range()),
+          min = range[0],
+          max = range[1],
+          m = left ? a - min : max - a;
+      if (m == 0) m = max - min;
+      return (left ? -1 : 1) * m * (d + 1) / (d + (m / Math.abs(x - a))) + a;
+    }
+
+    fisheye.distortion = function(_) {
+      if (!arguments.length) return d;
+      d = +_;
+      return fisheye;
+    };
+
+    fisheye.focus = function(_) {
+      if (!arguments.length) return a;
+      a = +_;
+      return fisheye;
+    };
+
+    fisheye.copy = function() {
+      return d3_fisheye_scale(scale.copy(), d, a);
+    };
+
+    fisheye.nice = scale.nice;
+    fisheye.ticks = scale.ticks;
+    fisheye.tickFormat = scale.tickFormat;
+    return d3.rebind(fisheye, scale, "domain", "range");
+  }
+})();
diff --git a/wqflask/wqflask/static/packages/novus-nvd3-d51729c/lib/hive.js b/wqflask/wqflask/static/packages/novus-nvd3-d51729c/lib/hive.js
new file mode 100755
index 00000000..06e53aed
--- /dev/null
+++ b/wqflask/wqflask/static/packages/novus-nvd3-d51729c/lib/hive.js
@@ -0,0 +1,80 @@
+d3.hive = {};
+
+d3.hive.link = function() {
+  var source = function(d) { return d.source; },
+      target = function(d) { return d.target; },
+      angle = function(d) { return d.angle; },
+      startRadius = function(d) { return d.radius; },
+      endRadius = startRadius,
+      arcOffset = -Math.PI / 2;
+
+  function link(d, i) {
+    var s = node(source, this, d, i),
+        t = node(target, this, d, i),
+        x;
+    if (t.a < s.a) x = t, t = s, s = x;
+    if (t.a - s.a > Math.PI) s.a += 2 * Math.PI;
+    var a1 = s.a + (t.a - s.a) / 3,
+        a2 = t.a - (t.a - s.a) / 3;
+    return s.r0 - s.r1 || t.r0 - t.r1
+        ? "M" + Math.cos(s.a) * s.r0 + "," + Math.sin(s.a) * s.r0
+        + "L" + Math.cos(s.a) * s.r1 + "," + Math.sin(s.a) * s.r1
+        + "C" + Math.cos(a1) * s.r1 + "," + Math.sin(a1) * s.r1
+        + " " + Math.cos(a2) * t.r1 + "," + Math.sin(a2) * t.r1
+        + " " + Math.cos(t.a) * t.r1 + "," + Math.sin(t.a) * t.r1
+        + "L" + Math.cos(t.a) * t.r0 + "," + Math.sin(t.a) * t.r0
+        + "C" + Math.cos(a2) * t.r0 + "," + Math.sin(a2) * t.r0
+        + " " + Math.cos(a1) * s.r0 + "," + Math.sin(a1) * s.r0
+        + " " + Math.cos(s.a) * s.r0 + "," + Math.sin(s.a) * s.r0
+        : "M" + Math.cos(s.a) * s.r0 + "," + Math.sin(s.a) * s.r0
+        + "C" + Math.cos(a1) * s.r1 + "," + Math.sin(a1) * s.r1
+        + " " + Math.cos(a2) * t.r1 + "," + Math.sin(a2) * t.r1
+        + " " + Math.cos(t.a) * t.r1 + "," + Math.sin(t.a) * t.r1;
+  }
+
+  function node(method, thiz, d, i) {
+    var node = method.call(thiz, d, i),
+        a = +(typeof angle === "function" ? angle.call(thiz, node, i) : angle) + arcOffset,
+        r0 = +(typeof startRadius === "function" ? startRadius.call(thiz, node, i) : startRadius),
+        r1 = (startRadius === endRadius ? r0 : +(typeof endRadius === "function" ? endRadius.call(thiz, node, i) : endRadius));
+    return {r0: r0, r1: r1, a: a};
+  }
+
+  link.source = function(_) {
+    if (!arguments.length) return source;
+    source = _;
+    return link;
+  };
+
+  link.target = function(_) {
+    if (!arguments.length) return target;
+    target = _;
+    return link;
+  };
+
+  link.angle = function(_) {
+    if (!arguments.length) return angle;
+    angle = _;
+    return link;
+  };
+
+  link.radius = function(_) {
+    if (!arguments.length) return startRadius;
+    startRadius = endRadius = _;
+    return link;
+  };
+
+  link.startRadius = function(_) {
+    if (!arguments.length) return startRadius;
+    startRadius = _;
+    return link;
+  };
+
+  link.endRadius = function(_) {
+    if (!arguments.length) return endRadius;
+    endRadius = _;
+    return link;
+  };
+
+  return link;
+};
diff --git a/wqflask/wqflask/static/packages/novus-nvd3-d51729c/lib/horizon.js b/wqflask/wqflask/static/packages/novus-nvd3-d51729c/lib/horizon.js
new file mode 100755
index 00000000..d84c6567
--- /dev/null
+++ b/wqflask/wqflask/static/packages/novus-nvd3-d51729c/lib/horizon.js
@@ -0,0 +1,192 @@
+(function() {
+  d3.horizon = function() {
+    var bands = 1, // between 1 and 5, typically
+        mode = "offset", // or mirror
+        interpolate = "linear", // or basis, monotone, step-before, etc.
+        x = d3_horizonX,
+        y = d3_horizonY,
+        w = 960,
+        h = 40,
+        duration = 0;
+
+    var color = d3.scale.linear()
+        .domain([-1, 0, 1])
+        .range(["#d62728", "#fff", "#1f77b4"]);
+
+    // For each small multiple…
+    function horizon(g) {
+      g.each(function(d, i) {
+        var g = d3.select(this),
+            n = 2 * bands + 1,
+            xMin = Infinity,
+            xMax = -Infinity,
+            yMax = -Infinity,
+            x0, // old x-scale
+            y0, // old y-scale
+            id; // unique id for paths
+
+        // Compute x- and y-values along with extents.
+        var data = d.map(function(d, i) {
+          var xv = x.call(this, d, i),
+              yv = y.call(this, d, i);
+          if (xv < xMin) xMin = xv;
+          if (xv > xMax) xMax = xv;
+          if (-yv > yMax) yMax = -yv;
+          if (yv > yMax) yMax = yv;
+          return [xv, yv];
+        });
+
+        // Compute the new x- and y-scales, and transform.
+        var x1 = d3.scale.linear().domain([xMin, xMax]).range([0, w]),
+            y1 = d3.scale.linear().domain([0, yMax]).range([0, h * bands]),
+            t1 = d3_horizonTransform(bands, h, mode);
+
+        // Retrieve the old scales, if this is an update.
+        if (this.__chart__) {
+          x0 = this.__chart__.x;
+          y0 = this.__chart__.y;
+          t0 = this.__chart__.t;
+          id = this.__chart__.id;
+        } else {
+          x0 = x1.copy();
+          y0 = y1.copy();
+          t0 = t1;
+          id = ++d3_horizonId;
+        }
+
+        // We'll use a defs to store the area path and the clip path.
+        var defs = g.selectAll("defs")
+            .data([null]);
+
+        // The clip path is a simple rect.
+        defs.enter().append("defs").append("clipPath")
+            .attr("id", "d3_horizon_clip" + id)
+          .append("rect")
+            .attr("width", w)
+            .attr("height", h);
+
+        defs.select("rect").transition()
+            .duration(duration)
+            .attr("width", w)
+            .attr("height", h);
+
+        // We'll use a container to clip all horizon layers at once.
+        g.selectAll("g")
+            .data([null])
+          .enter().append("g")
+            .attr("clip-path", "url(#d3_horizon_clip" + id + ")");
+
+        // Instantiate each copy of the path with different transforms.
+        var path = g.select("g").selectAll("path")
+            .data(d3.range(-1, -bands - 1, -1).concat(d3.range(1, bands + 1)), Number);
+
+        var d0 = d3_horizonArea
+            .interpolate(interpolate)
+            .x(function(d) { return x0(d[0]); })
+            .y0(h * bands)
+            .y1(function(d) { return h * bands - y0(d[1]); })
+            (data);
+
+        var d1 = d3_horizonArea
+            .x(function(d) { return x1(d[0]); })
+            .y1(function(d) { return h * bands - y1(d[1]); })
+            (data);
+
+        path.enter().append("path")
+            .style("fill", color)
+            .attr("transform", t0)
+            .attr("d", d0);
+
+        path.transition()
+            .duration(duration)
+            .style("fill", color)
+            .attr("transform", t1)
+            .attr("d", d1);
+
+        path.exit().transition()
+            .duration(duration)
+            .attr("transform", t1)
+            .attr("d", d1)
+            .remove();
+
+        // Stash the new scales.
+        this.__chart__ = {x: x1, y: y1, t: t1, id: id};
+      });
+      d3.timer.flush();
+    }
+
+    horizon.duration = function(x) {
+      if (!arguments.length) return duration;
+      duration = +x;
+      return horizon;
+    };
+
+    horizon.bands = function(x) {
+      if (!arguments.length) return bands;
+      bands = +x;
+      color.domain([-bands, 0, bands]);
+      return horizon;
+    };
+
+    horizon.mode = function(x) {
+      if (!arguments.length) return mode;
+      mode = x + "";
+      return horizon;
+    };
+
+    horizon.colors = function(x) {
+      if (!arguments.length) return color.range();
+      color.range(x);
+      return horizon;
+    };
+
+    horizon.interpolate = function(x) {
+      if (!arguments.length) return interpolate;
+      interpolate = x + "";
+      return horizon;
+    };
+
+    horizon.x = function(z) {
+      if (!arguments.length) return x;
+      x = z;
+      return horizon;
+    };
+
+    horizon.y = function(z) {
+      if (!arguments.length) return y;
+      y = z;
+      return horizon;
+    };
+
+    horizon.width = function(x) {
+      if (!arguments.length) return w;
+      w = +x;
+      return horizon;
+    };
+
+    horizon.height = function(x) {
+      if (!arguments.length) return h;
+      h = +x;
+      return horizon;
+    };
+
+    return horizon;
+  };
+
+  var d3_horizonArea = d3.svg.area(),
+      d3_horizonId = 0;
+
+  function d3_horizonX(d) {
+    return d[0];
+  }
+
+  function d3_horizonY(d) {
+    return d[1];
+  }
+
+  function d3_horizonTransform(bands, h, mode) {
+    return mode == "offset"
+        ? function(d) { return "translate(0," + (d + (d < 0) - bands) * h + ")"; }
+        : function(d) { return (d < 0 ? "scale(1,-1)" : "") + "translate(0," + (d - bands) * h + ")"; };
+  }
+})();
diff --git a/wqflask/wqflask/static/packages/novus-nvd3-d51729c/lib/sankey.js b/wqflask/wqflask/static/packages/novus-nvd3-d51729c/lib/sankey.js
new file mode 100755
index 00000000..c3bc59fb
--- /dev/null
+++ b/wqflask/wqflask/static/packages/novus-nvd3-d51729c/lib/sankey.js
@@ -0,0 +1,292 @@
+d3.sankey = function() {
+  var sankey = {},
+      nodeWidth = 24,
+      nodePadding = 8,
+      size = [1, 1],
+      nodes = [],
+      links = [];
+
+  sankey.nodeWidth = function(_) {
+    if (!arguments.length) return nodeWidth;
+    nodeWidth = +_;
+    return sankey;
+  };
+
+  sankey.nodePadding = function(_) {
+    if (!arguments.length) return nodePadding;
+    nodePadding = +_;
+    return sankey;
+  };
+
+  sankey.nodes = function(_) {
+    if (!arguments.length) return nodes;
+    nodes = _;
+    return sankey;
+  };
+
+  sankey.links = function(_) {
+    if (!arguments.length) return links;
+    links = _;
+    return sankey;
+  };
+
+  sankey.size = function(_) {
+    if (!arguments.length) return size;
+    size = _;
+    return sankey;
+  };
+
+  sankey.layout = function(iterations) {
+    computeNodeLinks();
+    computeNodeValues();
+    computeNodeBreadths();
+    computeNodeDepths(iterations);
+    computeLinkDepths();
+    return sankey;
+  };
+
+  sankey.relayout = function() {
+    computeLinkDepths();
+    return sankey;
+  };
+
+  sankey.link = function() {
+    var curvature = .5;
+
+    function link(d) {
+      var x0 = d.source.x + d.source.dx,
+          x1 = d.target.x,
+          xi = d3.interpolateNumber(x0, x1),
+          x2 = xi(curvature),
+          x3 = xi(1 - curvature),
+          y0 = d.source.y + d.sy + d.dy / 2,
+          y1 = d.target.y + d.ty + d.dy / 2;
+      return "M" + x0 + "," + y0
+           + "C" + x2 + "," + y0
+           + " " + x3 + "," + y1
+           + " " + x1 + "," + y1;
+    }
+
+    link.curvature = function(_) {
+      if (!arguments.length) return curvature;
+      curvature = +_;
+      return link;
+    };
+
+    return link;
+  };
+
+  // Populate the sourceLinks and targetLinks for each node.
+  // Also, if the source and target are not objects, assume they are indices.
+  function computeNodeLinks() {
+    nodes.forEach(function(node) {
+      node.sourceLinks = [];
+      node.targetLinks = [];
+    });
+    links.forEach(function(link) {
+      var source = link.source,
+          target = link.target;
+      if (typeof source === "number") source = link.source = nodes[link.source];
+      if (typeof target === "number") target = link.target = nodes[link.target];
+      source.sourceLinks.push(link);
+      target.targetLinks.push(link);
+    });
+  }
+
+  // Compute the value (size) of each node by summing the associated links.
+  function computeNodeValues() {
+    nodes.forEach(function(node) {
+      node.value = Math.max(
+        d3.sum(node.sourceLinks, value),
+        d3.sum(node.targetLinks, value)
+      );
+    });
+  }
+
+  // Iteratively assign the breadth (x-position) for each node.
+  // Nodes are assigned the maximum breadth of incoming neighbors plus one;
+  // nodes with no incoming links are assigned breadth zero, while
+  // nodes with no outgoing links are assigned the maximum breadth.
+  function computeNodeBreadths() {
+    var remainingNodes = nodes,
+        nextNodes,
+        x = 0;
+
+    while (remainingNodes.length) {
+      nextNodes = [];
+      remainingNodes.forEach(function(node) {
+        node.x = x;
+        node.dx = nodeWidth;
+        node.sourceLinks.forEach(function(link) {
+          nextNodes.push(link.target);
+        });
+      });
+      remainingNodes = nextNodes;
+      ++x;
+    }
+
+    //
+    moveSinksRight(x);
+    scaleNodeBreadths((size[0] - nodeWidth) / (x - 1));
+  }
+
+  function moveSourcesRight() {
+    nodes.forEach(function(node) {
+      if (!node.targetLinks.length) {
+        node.x = d3.min(node.sourceLinks, function(d) { return d.target.x; }) - 1;
+      }
+    });
+  }
+
+  function moveSinksRight(x) {
+    nodes.forEach(function(node) {
+      if (!node.sourceLinks.length) {
+        node.x = x - 1;
+      }
+    });
+  }
+
+  function scaleNodeBreadths(kx) {
+    nodes.forEach(function(node) {
+      node.x *= kx;
+    });
+  }
+
+  function computeNodeDepths(iterations) {
+    var nodesByBreadth = d3.nest()
+        .key(function(d) { return d.x; })
+        .sortKeys(d3.ascending)
+        .entries(nodes)
+        .map(function(d) { return d.values; });
+
+    //
+    initializeNodeDepth();
+    resolveCollisions();
+    for (var alpha = 1; iterations > 0; --iterations) {
+      relaxRightToLeft(alpha *= .99);
+      resolveCollisions();
+      relaxLeftToRight(alpha);
+      resolveCollisions();
+    }
+
+    function initializeNodeDepth() {
+      var ky = d3.min(nodesByBreadth, function(nodes) {
+        return (size[1] - (nodes.length - 1) * nodePadding) / d3.sum(nodes, value);
+      });
+
+      nodesByBreadth.forEach(function(nodes) {
+        nodes.forEach(function(node, i) {
+          node.y = i;
+          node.dy = node.value * ky;
+        });
+      });
+
+      links.forEach(function(link) {
+        link.dy = link.value * ky;
+      });
+    }
+
+    function relaxLeftToRight(alpha) {
+      nodesByBreadth.forEach(function(nodes, breadth) {
+        nodes.forEach(function(node) {
+          if (node.targetLinks.length) {
+            var y = d3.sum(node.targetLinks, weightedSource) / d3.sum(node.targetLinks, value);
+            node.y += (y - center(node)) * alpha;
+          }
+        });
+      });
+
+      function weightedSource(link) {
+        return center(link.source) * link.value;
+      }
+    }
+
+    function relaxRightToLeft(alpha) {
+      nodesByBreadth.slice().reverse().forEach(function(nodes) {
+        nodes.forEach(function(node) {
+          if (node.sourceLinks.length) {
+            var y = d3.sum(node.sourceLinks, weightedTarget) / d3.sum(node.sourceLinks, value);
+            node.y += (y - center(node)) * alpha;
+          }
+        });
+      });
+
+      function weightedTarget(link) {
+        return center(link.target) * link.value;
+      }
+    }
+
+    function resolveCollisions() {
+      nodesByBreadth.forEach(function(nodes) {
+        var node,
+            dy,
+            y0 = 0,
+            n = nodes.length,
+            i;
+
+        // Push any overlapping nodes down.
+        nodes.sort(ascendingDepth);
+        for (i = 0; i < n; ++i) {
+          node = nodes[i];
+          dy = y0 - node.y;
+          if (dy > 0) node.y += dy;
+          y0 = node.y + node.dy + nodePadding;
+        }
+
+        // If the bottommost node goes outside the bounds, push it back up.
+        dy = y0 - nodePadding - size[1];
+        if (dy > 0) {
+          y0 = node.y -= dy;
+
+          // Push any overlapping nodes back up.
+          for (i = n - 2; i >= 0; --i) {
+            node = nodes[i];
+            dy = node.y + node.dy + nodePadding - y0;
+            if (dy > 0) node.y -= dy;
+            y0 = node.y;
+          }
+        }
+      });
+    }
+
+    function ascendingDepth(a, b) {
+      return a.y - b.y;
+    }
+  }
+
+  function computeLinkDepths() {
+    nodes.forEach(function(node) {
+      node.sourceLinks.sort(ascendingTargetDepth);
+      node.targetLinks.sort(ascendingSourceDepth);
+    });
+    nodes.forEach(function(node) {
+      var sy = 0, ty = 0;
+      node.sourceLinks.forEach(function(link) {
+        link.sy = sy;
+        sy += link.dy;
+      });
+      node.targetLinks.forEach(function(link) {
+        link.ty = ty;
+        ty += link.dy;
+      });
+    });
+
+    function ascendingSourceDepth(a, b) {
+      return a.source.y - b.source.y;
+    }
+
+    function ascendingTargetDepth(a, b) {
+      return a.target.y - b.target.y;
+    }
+  }
+
+  function center(node) {
+    return node.y + node.dy / 2;
+  }
+
+  function value(link) {
+    return link.value;
+  }
+
+  return sankey;
+};