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Merge pull request #1848 from soupault/doc_edge_modes

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DOC: plot_edge_modes improvement
This commit is contained in:
Steven Silvester
2015-12-24 10:28:59 -06:00
parent 98d2446594 18a2747239
commit f3392bc4f5
1 changed files with 12 additions and 11 deletions
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doc/examples/transform/plot_edge_modes.py
+12 -11
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@@ -7,10 +7,10 @@ This example illustrates the different edge modes available during
interpolation in routines such as `skimage.transform.rescale` and
`skimage.transform.resize`.
"""
from skimage._shared.interpolation import extend_image
import skimage.data
import matplotlib.pyplot as plt
import numpy as np
import matplotlib.pyplot as plt
from skimage._shared.interpolation import extend_image
img = np.zeros((16, 16))
img[:8, :8] += 1
@@ -20,18 +20,19 @@ img[:1, :1] += 2
img[8, 8] = 4
modes = ['constant', 'edge', 'wrap', 'reflect', 'symmetric']
fig, axes = plt.subplots(1, 5, figsize=(15, 5))
fig, axes = plt.subplots(2, 3)
axes = axes.flatten()
for n, mode in enumerate(modes):
img_extended = extend_image(img, pad=img.shape[0], mode=mode)
axes[n].imshow(img_extended, cmap=plt.cm.gray, interpolation='nearest')
axes[n].plot([15.5, 15.5], [15.5, 31.5], 'y--', linewidth=0.5)
axes[n].plot([31.5, 31.5], [15.5, 31.5], 'y--', linewidth=0.5)
axes[n].plot([15.5, 31.5], [15.5, 15.5], 'y--', linewidth=0.5)
axes[n].plot([15.5, 31.5], [31.5, 31.5], 'y--', linewidth=0.5)
axes[n].set_axis_off()
axes[n].set_aspect('equal')
axes[n].plot([15.5, 15.5, 31.5, 31.5, 15.5],
[15.5, 31.5, 31.5, 15.5, 15.5], 'y--', linewidth=0.5)
axes[n].set_title(mode)
for n in range(len(axes)):
axes[n].set_axis_off()
axes[n].set_aspect('equal')
plt.tight_layout()
plt.show()