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# Rotating 3D wireframe plot

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

Out:

    Average FPS: 285.262764

    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 0.363 seconds)

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