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offset.py

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'''

=========================

Automatic Text Offsetting

=========================

This example demonstrates mplot3d's offset text display.

As one rotates the 3D figure, the offsets should remain oriented the

same way as the axis label, and should also be located "away"

from the center of the plot.

This demo triggers the display of the offset text for the x and

y axis by adding 1e5 to X and Y. Anything less would not

automatically trigger it.

'''

# This import registers the 3D projection, but is otherwise unused.

from mpl_toolkits.mplot3d import Axes3D # noqa: F401 unused import

import matplotlib.pyplot as plt

import numpy as np

fig = plt.figure()

ax = fig.gca(projection='3d')

X, Y = np.mgrid[0:6*np.pi:0.25, 0:4*np.pi:0.25]

Z = np.sqrt(np.abs(np.cos(X) + np.cos(Y)))

ax.plot_surface(X + 1e5, Y + 1e5, Z, cmap='autumn', cstride=2, rstride=2)

ax.set_xlabel("X label")

ax.set_ylabel("Y label")

ax.set_zlabel("Z label")

ax.set_zlim(0, 2)

plt.show()