.. _pylab_examples-ellipse_collection:

pylab_examples example code: ellipse_collection.py
==================================================



.. plot:: /home/tcaswell/source/p/matplotlib/doc/mpl_examples/pylab_examples/ellipse_collection.py

::

    import matplotlib.pyplot as plt
    import numpy as np
    from matplotlib.collections import EllipseCollection
    
    x = np.arange(10)
    y = np.arange(15)
    X, Y = np.meshgrid(x, y)
    
    XY = np.hstack((X.ravel()[:, np.newaxis], Y.ravel()[:, np.newaxis]))
    
    ww = X/10.0
    hh = Y/15.0
    aa = X*9
    
    
    fig, ax = plt.subplots()
    
    ec = EllipseCollection(ww, hh, aa, units='x', offsets=XY,
                           transOffset=ax.transData)
    ec.set_array((X + Y).ravel())
    ax.add_collection(ec)
    ax.autoscale_view()
    ax.set_xlabel('X')
    ax.set_ylabel('y')
    cbar = plt.colorbar(ec)
    cbar.set_label('X+Y')
    plt.show()
    

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