STY: Fix formatting and use tight_layout in doc examples.

doc/examples/segmentation/plot_join_segmentations.py

@@ -40,7 +40,8 @@ seg2 = slic(coins, n_segments=117, max_iter=160, sigma=1, compactness=0.75,
 segj = join_segmentations(seg1, seg2)
 
 # show the segmentations
-fig, axes = plt.subplots(ncols=4, figsize=(9, 2.5), sharex=True, sharey=True, subplot_kw={'adjustable':'box-forced'})
+fig, axes = plt.subplots(ncols=4, figsize=(9, 2.5), sharex=True, sharey=True,
+                         subplot_kw={'adjustable': 'box-forced'})
 axes[0].imshow(coins, cmap=plt.cm.gray, interpolation='nearest')
 axes[0].set_title('Image')
 
@@ -58,5 +59,5 @@ axes[3].set_title('Join')
 
 for ax in axes:
     ax.axis('off')
-fig.subplots_adjust(hspace=0.01, wspace=0.01, top=1, bottom=0, left=0, right=1)
+fig.tight_layout()
 plt.show()

doc/examples/segmentation/plot_peak_local_max.py

@@ -25,7 +25,8 @@ image_max = ndi.maximum_filter(im, size=20, mode='constant')
 coordinates = peak_local_max(im, min_distance=20)
 
 # display results
-fig, ax = plt.subplots(1, 3, figsize=(8, 3), sharex=True, sharey=True, subplot_kw={'adjustable':'box-forced'})
+fig, ax = plt.subplots(1, 3, figsize=(8, 3), sharex=True, sharey=True,
+                       subplot_kw={'adjustable': 'box-forced'})
 ax1, ax2, ax3 = ax.ravel()
 ax1.imshow(im, cmap=plt.cm.gray)
 ax1.axis('off')
@@ -41,7 +42,6 @@ ax3.plot(coordinates[:, 1], coordinates[:, 0], 'r.')
 ax3.axis('off')
 ax3.set_title('Peak local max')
 
-fig.subplots_adjust(wspace=0.02, hspace=0.02, top=0.9,
-                    bottom=0.02, left=0.02, right=0.98)
+fig.tight_layout()
 
 plt.show()

doc/examples/segmentation/plot_random_walker_segmentation.py

@@ -38,7 +38,8 @@ markers[data > 1.3] = 2
 labels = random_walker(data, markers, beta=10, mode='bf')
 
 # Plot results
-fig, (ax1, ax2, ax3) = plt.subplots(1, 3, figsize=(8, 3.2), sharex=True, sharey=True)
+fig, (ax1, ax2, ax3) = plt.subplots(1, 3, figsize=(8, 3.2),
+                                    sharex=True, sharey=True)
 ax1.imshow(data, cmap='gray', interpolation='nearest')
 ax1.axis('off')
 ax1.set_adjustable('box-forced')
@@ -52,6 +53,5 @@ ax3.axis('off')
 ax3.set_adjustable('box-forced')
 ax3.set_title('Segmentation')
 
-fig.subplots_adjust(hspace=0.01, wspace=0.01, top=1, bottom=0, left=0,
-                    right=1)
+fig.tight_layout()
 plt.show()

doc/examples/segmentation/plot_segmentations.py

@@ -79,9 +79,10 @@ print("Felzenszwalb's number of segments: %d" % len(np.unique(segments_fz)))
 print("Slic number of segments: %d" % len(np.unique(segments_slic)))
 print("Quickshift number of segments: %d" % len(np.unique(segments_quick)))
 
-fig, ax = plt.subplots(1, 3, sharex=True, sharey=True, subplot_kw={'adjustable':'box-forced'})
+fig, ax = plt.subplots(1, 3, sharex=True, sharey=True,
+                       subplot_kw={'adjustable': 'box-forced'})
 fig.set_size_inches(8, 3, forward=True)
-fig.subplots_adjust(0.05, 0.05, 0.95, 0.95, 0.05, 0.05)
+fig.tight_layout()
 
 ax[0].imshow(mark_boundaries(img, segments_fz))
 ax[0].set_title("Felzenszwalbs's method")

doc/examples/segmentation/plot_watershed.py

@@ -48,7 +48,8 @@ local_maxi = peak_local_max(distance, indices=False, footprint=np.ones((3, 3)),
 markers = ndi.label(local_maxi)[0]
 labels = watershed(-distance, markers, mask=image)
 
-fig, axes = plt.subplots(ncols=3, figsize=(8, 2.7), sharex=True, sharey=True, subplot_kw={'adjustable':'box-forced'})
+fig, axes = plt.subplots(ncols=3, figsize=(8, 2.7), sharex=True, sharey=True,
+                         subplot_kw={'adjustable': 'box-forced'})
 ax0, ax1, ax2 = axes
 
 ax0.imshow(image, cmap=plt.cm.gray, interpolation='nearest')
@@ -61,6 +62,5 @@ ax2.set_title('Separated objects')
 for ax in axes:
     ax.axis('off')
 
-fig.subplots_adjust(hspace=0.01, wspace=0.01, top=0.9, bottom=0, left=0,
-                    right=1)
+fig.tight_layout()
 plt.show()