Cleanup multi_image example.

anntzer · anntzer · commit 1c61e5a864f3 · 2020-04-08T18:57:17.000+02:00
The example has some issues pointed out elsewhere, but we can make it
less a pain to investigate with small cleanups:

- Don't use a weird/nonstandard colormap.
- Don't scale the data to 1e-6 (which makes editing the values via the
  Qt figure options slightly a pain).
diff --git a/examples/images_contours_and_fields/multi_image.py b/examples/images_contours_and_fields/multi_image.py
@@ -13,7 +13,6 @@
 np.random.seed(19680801)
 Nr = 3
 Nc = 2
-cmap = "cool"
 
 fig, axs = plt.subplots(Nr, Nc)
 fig.suptitle('Multiple images')
@@ -22,8 +21,8 @@
 for i in range(Nr):
     for j in range(Nc):
         # Generate data with a range that varies from one plot to the next.
-        data = ((1 + i + j) / 10) * np.random.rand(10, 20) * 1e-6
-        images.append(axs[i, j].imshow(data, cmap=cmap))
+        data = ((1 + i + j) / 10) * np.random.rand(10, 20)
+        images.append(axs[i, j].imshow(data))
         axs[i, j].label_outer()
 
 # Find the min and max of all colors for use in setting the color scale.
