.. _mplot3d-mixed_subplots_demo:

mplot3d example code: mixed_subplots_demo.py
============================================



.. plot:: /builddir/build/BUILD/matplotlib-1.2.0/doc/mpl_examples/mplot3d/mixed_subplots_demo.py

::

    """
    Demonstrate the mixing of 2d and 3d subplots
    """
    from mpl_toolkits.mplot3d import Axes3D
    import matplotlib.pyplot as plt
    import numpy as np
    
    def f(t):
        s1 = np.cos(2*np.pi*t)
        e1 = np.exp(-t)
        return np.multiply(s1,e1)
    
    
    ################
    # First subplot
    ################
    t1 = np.arange(0.0, 5.0, 0.1)
    t2 = np.arange(0.0, 5.0, 0.02)
    t3 = np.arange(0.0, 2.0, 0.01)
    
    # Twice as tall as it is wide.
    fig = plt.figure(figsize=plt.figaspect(2.))
    fig.suptitle('A tale of 2 subplots')
    ax = fig.add_subplot(2, 1, 1)
    l = ax.plot(t1, f(t1), 'bo',
                t2, f(t2), 'k--', markerfacecolor='green')
    ax.grid(True)
    ax.set_ylabel('Damped oscillation')
    
    
    #################
    # Second subplot
    #################
    ax = fig.add_subplot(2, 1, 2, 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)
    
    surf = ax.plot_surface(X, Y, Z, rstride=1, cstride=1,
            linewidth=0, antialiased=False)
    
    ax.set_zlim3d(-1, 1)
    
    plt.show()
    
    

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