e2ecdcfe33
Former-commit-id:a02aeb236c[formerly9f19e3f712] [formerlya02aeb236c[formerly9f19e3f712] [formerly06a8b51d6d[formerly 64fa9254b946eae7e61bbc3f513b7c3696c4f54f]]] Former-commit-id:06a8b51d6dFormer-commit-id:8e80217e59[formerly3360eb6c5f] Former-commit-id:377dcd10b9
38 lines
805 B
Python
Executable file
38 lines
805 B
Python
Executable file
"""
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Illustrate some helper functions for shading regions where a logical
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mask is True
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See :meth:`matplotlib.collections.BrokenBarHCollection.span_where`
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"""
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import numpy as np
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import matplotlib.pyplot as plt
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import matplotlib.collections as collections
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t = np.arange(0.0, 2, 0.01)
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s1 = np.sin(2*np.pi*t)
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s2 = 1.2*np.sin(4*np.pi*t)
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fig = plt.figure()
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ax = fig.add_subplot(111)
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ax.set_title('using span_where')
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ax.plot(t, s1, color='black')
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ax.axhline(0, color='black', lw=2)
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collection = collections.BrokenBarHCollection.span_where(
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t, ymin=0, ymax=1, where=s1>0, facecolor='green', alpha=0.5)
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ax.add_collection(collection)
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collection = collections.BrokenBarHCollection.span_where(
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t, ymin=-1, ymax=0, where=s1<0, facecolor='red', alpha=0.5)
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ax.add_collection(collection)
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plt.show()
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