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Merged
merged 5 commits into from
Jan 30, 2014
Merged

Create interpolation_methods.py #2599

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cc56d0a
Create interpolation_methods.py
rutj3 Nov 18, 2013
40cd8c2
Rename examples/api/interpolation_methods.py to examples/images_conto…
rutj3 Nov 18, 2013
962ed31
Update interpolation_methods.py
rutj3 Nov 18, 2013
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Update interpolation_methods.py
rutj3 Jan 14, 2014
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Update interpolation_methods.py
rutj3 Jan 14, 2014
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32 changes: 32 additions & 0 deletions examples/images_contours_and_fields/interpolation_methods.py
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'''
Show all different interpolation methods for imshow
'''

import matplotlib.pyplot as plt
import numpy as np

# from the docs:

# If interpolation is None, default to rc image.interpolation. See also
# the filternorm and filterrad parameters. If interpolation is 'none', then
# no interpolation is performed on the Agg, ps and pdf backends. Other
# backends will fall back to 'nearest'.
#
# http://matplotlib.org/api/pyplot_api.html#matplotlib.pyplot.imshow

methods = [None, 'none', 'nearest', 'bilinear', 'bicubic', 'spline16',
'spline36', 'hanning', 'hamming', 'hermite', 'kaiser', 'quadric',
'catrom', 'gaussian', 'bessel', 'mitchell', 'sinc', 'lanczos']

grid = np.random.rand(4, 4)

fig, axes = plt.subplots(3, 6, figsize=(12, 6),
subplot_kw={'xticks': [], 'yticks': []})

fig.subplots_adjust(hspace=0.3, wspace=0.05)

for ax, interp_method in zip(axes.flat, methods):
ax.imshow(grid, interpolation=interp_method)
ax.set_title(interp_method)

plt.show()