.. _mplot3d-surface3d_demo3:

mplot3d example code: surface3d_demo3.py
========================================



.. plot:: /home/tcaswell/source/p/matplotlib/doc/mpl_examples/mplot3d/surface3d_demo3.py

::

    from mpl_toolkits.mplot3d import Axes3D
    from matplotlib import cm
    from matplotlib.ticker import LinearLocator
    import matplotlib.pyplot as plt
    import numpy as np
    
    fig = plt.figure()
    ax = fig.gca(projection='3d')
    X = np.arange(-5, 5, 0.25)
    xlen = len(X)
    Y = np.arange(-5, 5, 0.25)
    ylen = len(Y)
    X, Y = np.meshgrid(X, Y)
    R = np.sqrt(X**2 + Y**2)
    Z = np.sin(R)
    
    colortuple = ('y', 'b')
    colors = np.empty(X.shape, dtype=str)
    for y in range(ylen):
        for x in range(xlen):
            colors[x, y] = colortuple[(x + y) % len(colortuple)]
    
    surf = ax.plot_surface(X, Y, Z, rstride=1, cstride=1, facecolors=colors,
                           linewidth=0, antialiased=False)
    
    ax.set_zlim3d(-1, 1)
    ax.w_zaxis.set_major_locator(LinearLocator(6))
    
    plt.show()
    

Keywords: python, matplotlib, pylab, example, codex (see :ref:`how-to-search-examples`)