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Watermark imageΒΆ

Use a PNG file as a watermark

../../_images/sphx_glr_watermark_image_001.png

Out:

loading /tmp/mpl_docs/lib/python3.6/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 0.059 seconds)

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