Merge pull request #10967 from bellmj/fillBetweenExampleBranch

dstansby · web-flow · commit 64050ca75b15 · 2018-04-19T12:51:30.000+01:00
updated the pyplot fill_between example to elucidate the premise;maki…
diff --git a/examples/pyplots/whats_new_98_4_fill_between.py b/examples/pyplots/whats_new_98_4_fill_between.py
@@ -1,20 +1,20 @@
 """
-=============================
-Whats New 0.98.4 Fill Between
-=============================
+============
+Fill Between
+============
 
 """
 import matplotlib.pyplot as plt
 import numpy as np
 
-x = np.arange(0.0, 2, 0.01)
-y1 = np.sin(2*np.pi*x)
-y2 = 1.2*np.sin(4*np.pi*x)
+x = np.arange(-5, 5, 0.01)
+y1 = -5*x*x + x + 10
+y2 = 5*x*x + x
 
 fig, ax = plt.subplots()
 ax.plot(x, y1, x, y2, color='black')
-ax.fill_between(x, y1, y2, where=y2>y1, facecolor='green')
-ax.fill_between(x, y1, y2, where=y2<=y1, facecolor='red')
-ax.set_title('fill between where')
+ax.fill_between(x, y1, y2, where=y2 >y1, facecolor='yellow', alpha=0.5)
+ax.fill_between(x, y1, y2, where=y2 <=y1, facecolor='red', alpha=0.5)
+ax.set_title('Fill Between')
 
 plt.show()
