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# Watermark image

Use a PNG file as a watermark

Out:

    loading /home/elliott/.local/lib/python3.5/site-packages/matplotlib/mpl-data/sample_data/logo2.png

    from __future__ import print_function
    import numpy as np
    import matplotlib.cbook as cbook
    import matplotlib.image as image
    import matplotlib.pyplot as plt

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

    datafile = cbook.get_sample_data('logo2.png', asfileobj=False)
    print('loading %s' % datafile)
    im = image.imread(datafile)
    im[:, :, -1] = 0.5  # set the alpha channel

    fig, ax = plt.subplots()

    ax.plot(np.random.rand(20), '-o', ms=20, lw=2, alpha=0.7, mfc='orange')
    ax.grid()
    fig.figimage(im, 10, 10, zorder=3)

    plt.show()

Total running time of the script: ( 0 minutes 0.390 seconds)

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