22 lines
411 B
Python
22 lines
411 B
Python
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"""
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Use a PNG file as a watermark
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"""
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import numpy as np
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import matplotlib
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matplotlib.use('Agg')
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import matplotlib.image as image
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import matplotlib.pyplot as plt
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im = image.imread('../data/logo2.png')
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im[:,:,-1] = 0.5 # set the alpha channel
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fig = plt.figure()
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ax = fig.add_subplot(111)
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ax.plot(np.random.rand(20), '-o', ms=20, lw=2, alpha=0.7, mfc='orange')
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ax.grid()
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fig.figimage(im, 10, 10)
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plt.show()
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