Merge pull request #21237 from timhoffm/plot-types-fillbetween

story645 · web-flow · commit 36c0efa399b3 · 2021-09-30T20:46:37.000-04:00
DOC: Add fill_between to plot_types
diff --git a/plot_types/basic/fill_between.py b/plot_types/basic/fill_between.py
@@ -0,0 +1,29 @@
+"""
+=======================
+fill_between(x, y1, y2)
+=======================
+
+See `~matplotlib.axes.Axes.fill_between`.
+"""
+
+import matplotlib.pyplot as plt
+import numpy as np
+
+plt.style.use('_mpl-gallery')
+
+# make data
+np.random.seed(1)
+x = np.linspace(0, 8, 16)
+y1 = 3 + 4*x/8 + np.random.uniform(0.0, 0.5, len(x))
+y2 = 1 + 2*x/8 + np.random.uniform(0.0, 0.5, len(x))
+
+# plot
+fig, ax = plt.subplots()
+
+ax.fill_between(x, y1, y2, alpha=.5, linewidth=0)
+ax.plot(x, (y1 + y2)/2, linewidth=2)
+
+ax.set(xlim=(0, 8), xticks=np.arange(1, 8),
+       ylim=(0, 8), yticks=np.arange(1, 8))
+
+plt.show()
