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# Rotating 3D wireframe plotΒΆ

A very simple 'animation' of a 3D plot. See also rotate_axes3d_demo.

(This example is skipped when building the documentation gallery because it intentionally takes a long time to run)

# 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
import time

def generate(X, Y, phi):
'''
Generates Z data for the points in the X, Y meshgrid and parameter phi.
'''
R = 1 - np.sqrt(X**2 + Y**2)
return np.cos(2 * np.pi * X + phi) * R

fig = plt.figure()
ax = fig.add_subplot(111, projection='3d')

# Make the X, Y meshgrid.
xs = np.linspace(-1, 1, 50)
ys = np.linspace(-1, 1, 50)
X, Y = np.meshgrid(xs, ys)

# Set the z axis limits so they aren't recalculated each frame.
ax.set_zlim(-1, 1)

# Begin plotting.
wframe = None
tstart = time.time()
for phi in np.linspace(0, 180. / np.pi, 100):
# If a line collection is already remove it before drawing.
if wframe:
ax.collections.remove(wframe)

# Plot the new wireframe and pause briefly before continuing.
Z = generate(X, Y, phi)
wframe = ax.plot_wireframe(X, Y, Z, rstride=2, cstride=2)
plt.pause(.001)

print('Average FPS: %f' % (100 / (time.time() - tstart)))


Keywords: matplotlib code example, codex, python plot, pyplot Gallery generated by Sphinx-Gallery