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pylab_examples example code: color_by_yvalue.pyΒΆ

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# use masked arrays to plot a line with different colors by y-value
import numpy as np
import matplotlib.pyplot as plt

t = np.arange(0.0, 2.0, 0.01)
s = np.sin(2*np.pi*t)

upper = 0.77
lower = -0.77

supper = < upper, s)
slower = > lower, s)
smiddle = < lower, s > upper), s)

plt.plot(t, slower, 'r', t, smiddle, 'b', t, supper, 'g')

Keywords: python, matplotlib, pylab, example, codex (see Search examples)