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Rotating 3D wireframe plot

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

../../_images/sphx_glr_wire3d_animation_001.png

Out:

Average FPS: 24.698602

from __future__ import print_function

from mpl_toolkits.mplot3d import axes3d
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)))

Total running time of the script: ( 0 minutes 4.059 seconds)

Gallery generated by Sphinx-Gallery