From 0d2bd107b31649c14ce364e74bf961fc65735f67 Mon Sep 17 00:00:00 2001
From: Luke Campagnola <luke.campagnola@gmail.com>
Date: Sat, 2 Apr 2016 23:27:20 -0700
Subject: [PATCH] Use colormap with better perceptual contrast

---
 examples/ImageView.py | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/examples/ImageView.py b/examples/ImageView.py
index 94d92a70..881d8cdd 100644
--- a/examples/ImageView.py
+++ b/examples/ImageView.py
@@ -49,10 +49,16 @@ data[:,50:60,50:60] += sig
 imv.setImage(data, xvals=np.linspace(1., 3., data.shape[0]))
 
 ## Set a custom color map
-positions = [0, 0.5, 1]
-colors =  [(0,0,255), (0,255,255), (255,255,0)]
-cm = pg.ColorMap(positions, colors)
-imv.setColorMap(cm)
+colors = [
+    (0, 0, 0),
+    (45, 5, 61),
+    (84, 42, 55),
+    (150, 87, 60),
+    (208, 171, 141),
+    (255, 255, 255)
+]
+cmap = pg.ColorMap(pos=np.linspace(0.0, 1.0, 6), color=colors)
+imv.setColorMap(cmap)
 
 ## Start Qt event loop unless running in interactive mode.
 if __name__ == '__main__':