.. _api-legend_demo:

api example code: legend_demo.py
================================



.. plot:: /build/tmp/matplotlib-1.4.2/doc/mpl_examples/api/legend_demo.py

::

    import numpy as np
    import matplotlib.pyplot as plt
    
    # Make some fake data.
    a = b = np.arange(0,3, .02)
    c = np.exp(a)
    d = c[::-1]
    
    # Create plots with pre-defined labels.
    plt.plot(a, c, 'k--', label='Model length')
    plt.plot(a, d, 'k:', label='Data length')
    plt.plot(a, c+d, 'k', label='Total message length')
    
    legend = plt.legend(loc='upper center', shadow=True, fontsize='x-large')
    
    # Put a nicer background color on the legend.
    legend.get_frame().set_facecolor('#00FFCC')
    
    plt.show()
    

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