.. _pylab_examples-hatch_demo:

pylab_examples example code: hatch_demo.py
==========================================



.. plot:: /media/TOSHI/temp/numpy_scipy_matplotlib/matplotlib/matplotlib-1.1.1~rc2/doc/mpl_examples/pylab_examples/hatch_demo.py

::

    """
    Hatching (pattern filled polygons) is supported currently in the PS,
    PDF, SVG and Agg backends only.
    """
    import matplotlib.pyplot as plt
    from matplotlib.patches import Ellipse, Polygon
    
    fig = plt.figure()
    ax1 = fig.add_subplot(131)
    ax1.bar(range(1,5), range(1,5), color='red', edgecolor='black', hatch="/")
    ax1.bar(range(1,5), [6] * 4, bottom=range(1,5), color='blue', edgecolor='black', hatch='//')
    ax1.set_xticks([1.5,2.5,3.5,4.5])
    
    ax2 = fig.add_subplot(132)
    bars = ax2.bar(range(1,5), range(1,5), color='yellow', ecolor='black') + \
        ax2.bar(range(1, 5), [6] * 4, bottom=range(1,5), color='green', ecolor='black')
    ax2.set_xticks([1.5,2.5,3.5,4.5])
    
    patterns = ('-', '+', 'x', '\\', '*', 'o', 'O', '.')
    for bar, pattern in zip(bars, patterns):
         bar.set_hatch(pattern)
    
    ax3 = fig.add_subplot(133)
    ax3.fill([1,3,3,1],[1,1,2,2], fill=False, hatch='\\')
    ax3.add_patch(Ellipse((4,1.5), 4, 0.5, fill=False, hatch='*'))
    ax3.add_patch(Polygon([[0,0],[4,1.1],[6,2.5],[2,1.4]], closed=True,
                          fill=False, hatch='/'))
    ax3.set_xlim((0,6))
    ax3.set_ylim((0,2.5))
    
    plt.show()
    

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