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unwrap: Simplify example.

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Jostein Bø Fløystad
2013-07-15 12:29:27 +02:00
parent 9e50686c8f
commit 3ddd94a89c
1 changed files with 4 additions and 6 deletions
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doc/examples/plot_phase_unwrap.py
+4 -6
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@@ -26,26 +26,24 @@ image_unwrapped = exposure.unwrap(image_wrapped)
# Plotting
plt.figure()
plt.gray() # grayscale colormap as default
imkwargs = dict(vmin=0, vmax=4 * np.pi)
plt.subplot(221)
plt.title('Original')
plt.imshow(image, **imkwargs)
plt.imshow(image, cmap='gray', vmin=0, vmax=4 * np.pi)
plt.colorbar()
plt.subplot(222)
plt.title('Wrapped phase')
plt.imshow(image_wrapped, vmin=-np.pi, vmax=np.pi)
plt.imshow(image_wrapped, cmap='gray', vmin=-np.pi, vmax=np.pi)
plt.colorbar()
plt.subplot(223)
plt.title('After phase unwrapping')
plt.imshow(image_unwrapped)
plt.imshow(image_unwrapped, cmap='gray')
plt.colorbar()
plt.subplot(224)
plt.title('Unwrapped minus original')
plt.imshow(image_unwrapped - image)
plt.imshow(image_unwrapped - image, cmap='gray')
plt.colorbar()
plt.show()