Apply suggestions from code review

jklymak · greglucas · web-flow · commit 0bac836944d1 · 2021-11-23T06:40:30.000-08:00
Co-authored-by: Greg Lucas &lt;greg.m.lucas@gmail.com&gt;
diff --git a/tutorials/colors/colormap-manipulation.py b/tutorials/colors/colormap-manipulation.py
@@ -133,11 +133,12 @@ def plot_examples(colormaps):
 
 ##############################################################################
 # We can reduce the dynamic range of a colormap; here we choose the
-# middle 0.5 of the colormap.  Note, however, that because viridis is a
-# listed colormap, some colors will be repeated when doing the
-# nearest-neighbour interpolation.
+# middle half of the colormap.  Note, however, that because viridis is a
+# listed colormap, we will end up with 128 discrete values instead of the 256 values
+# that were in the original colormap. This method does not interpolate in color-space
+# to add new colors.
 
-viridis_big = cm.get_cmap('viridis', 256)
+viridis_big = cm.get_cmap('viridis')
 newcmp = ListedColormap(viridis_big(np.linspace(0.25, 0.75, 128)))
 plot_examples([viridis, newcmp])
 
