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axhspan DemoΒΆ

Create lines or rectangles that span the axes in either the horizontal or vertical direction.

import numpy as np
import matplotlib.pyplot as plt

t = np.arange(-1, 2, .01)
s = np.sin(2 * np.pi * t)

plt.plot(t, s)
# Draw a thick red hline at y=0 that spans the xrange
plt.axhline(linewidth=8, color='#d62728')

# Draw a default hline at y=1 that spans the xrange

# Draw a default vline at x=1 that spans the yrange

# Draw a thick blue vline at x=0 that spans the upper quadrant of the yrange
plt.axvline(x=0, ymin=0.75, linewidth=8, color='#1f77b4')

# Draw a default hline at y=.5 that spans the middle half of the axes
plt.axhline(y=.5, xmin=0.25, xmax=0.75)

plt.axhspan(0.25, 0.75, facecolor='0.5', alpha=0.5)

plt.axvspan(1.25, 1.55, facecolor='#2ca02c', alpha=0.5)

plt.axis([-1, 2, -1, 2])

Total running time of the script: ( 0 minutes 0.022 seconds)

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