.. _lines_bars_and_markers-fill_demo_features:

lines_bars_and_markers example code: fill_demo_features.py
==========================================================



.. plot:: /build/tmp/matplotlib-1.4.2/doc/mpl_examples/lines_bars_and_markers/fill_demo_features.py

::

    """
    Demo of the fill function with a few features.
    
    In addition to the basic fill plot, this demo shows a few optional features:
    
        * Multiple curves with a single command.
        * Setting the fill color.
        * Setting the opacity (alpha value).
    """
    import numpy as np
    import matplotlib.pyplot as plt
    
    x = np.linspace(0, 2 * np.pi, 100)
    y1 = np.sin(x)
    y2 = np.sin(3 * x)
    plt.fill(x, y1, 'b', x, y2, 'r', alpha=0.3)
    plt.show()
    

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