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# Barcode Demo

    import matplotlib.pyplot as plt
    import numpy as np

    # Fixing random state for reproducibility
    np.random.seed(19680801)

    # the bar
    x = np.where(np.random.rand(500) > 0.7, 1.0, 0.0)

    axprops = dict(xticks=[], yticks=[])
    barprops = dict(aspect='auto', cmap=plt.cm.binary, interpolation='nearest')

    fig = plt.figure()

    # a vertical barcode -- this is broken at present
    ax = fig.add_axes([0.1, 0.3, 0.1, 0.6], **axprops)
    ax.imshow(x.reshape((-1, 1)), **barprops)

    # a horizontal barcode
    ax = fig.add_axes([0.3, 0.1, 0.6, 0.1], **axprops)
    ax.imshow(x.reshape((1, -1)), **barprops)

    plt.show()

Total running time of the script: ( 0 minutes 0.043 seconds)

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