.. _pyplots-whats_new_99_axes_grid:

pyplots example code: whats_new_99_axes_grid.py
===============================================

[`source code <whats_new_99_axes_grid.py>`_]

::

    import numpy as np
    import matplotlib.pyplot as plt
    from mpl_toolkits.axes_grid.axes_rgb import RGBAxes
    
    def get_demo_image():
        # prepare image
        delta = 0.5
    
        extent = (-3,4,-4,3)
        x = np.arange(-3.0, 4.001, delta)
        y = np.arange(-4.0, 3.001, delta)
        X, Y = np.meshgrid(x, y)
        import matplotlib.mlab as mlab
        Z1 = mlab.bivariate_normal(X, Y, 1.0, 1.0, 0.0, 0.0)
        Z2 = mlab.bivariate_normal(X, Y, 1.5, 0.5, 1, 1)
        Z = (Z1 - Z2) * 10
    
        return Z, extent
    
    
    
    def get_rgb():
        Z, extent = get_demo_image()
    
        Z[Z<0] = 0.
        Z = Z/Z.max()
    
        R = Z[:13,:13]
        G = Z[2:,2:]
        B = Z[:13,2:]
    
        return R, G, B
    
    
    fig = plt.figure(1)
    ax = RGBAxes(fig, [0.1, 0.1, 0.8, 0.8])
    
    r, g, b = get_rgb()
    kwargs = dict(origin="lower", interpolation="nearest")
    ax.imshow_rgb(r, g, b, **kwargs)
    
    ax.RGB.set_xlim(0., 9.5)
    ax.RGB.set_ylim(0.9, 10.6)
    
    
    plt.draw()
    plt.show()
    

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