diff --git a/examples/images_contours_and_fields/interpolation_methods.py b/examples/images_contours_and_fields/interpolation_methods.py new file mode 100644 index 000000000000..eda8cfa7efee --- /dev/null +++ b/examples/images_contours_and_fields/interpolation_methods.py @@ -0,0 +1,32 @@ +''' +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()