From 767eb96db12476f741bb5197bda7555c29e79b55 Mon Sep 17 00:00:00 2001
From: Frederick Muriuki Muriithi
Date: Tue, 28 Sep 2021 08:28:42 +0300
Subject: Approximate single-spectrum colour scale in GN1

Issue:
https://github.com/genenetwork/gn-gemtext-threads/blob/main/topics/gn1-migration-to-gn2/clustering.gmi

* To provide a somewhat similar experience to GeneNetwork1, this commit
  approximates the single-spectrum colour scale in GeneNetwork1 for the
  heatmaps in GeneNetwork3.

  Work to get the multiple-spectrum colour sc(ales/hemes) will be done in
  other commits, since that might require digging even deeper into Plotly's
  guts to figure out.
---
 gn3/heatmaps.py | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/gn3/heatmaps.py b/gn3/heatmaps.py
index a36940d..2ef2d16 100644
--- a/gn3/heatmaps.py
+++ b/gn3/heatmaps.py
@@ -326,9 +326,7 @@ def generate_clustered_heatmap(
         data, clustering_data, image_filename_prefix, x_axis=None,
         x_label: str = "", y_axis=None, y_label: str = "",
         output_dir: str = TMPDIR,
-        colorscale=(
-            (0.0, '#5D5D5D'), (0.4999999999999999, '#ABABAB'),
-            (0.5, '#F5DE11'), (1.0, '#FF0D00'))):
+        colorscale=((0.0, '#0000FF'), (0.5, '#00FF00'), (1.0, '#FF0000'))):
     """
     Generate a dendrogram, and heatmaps for each chromosome, and put them all
     into one plot.
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