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add some more comments to subdivision of polygons code

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Johannes Schönberger
2012-08-24 02:52:49 -07:00
committed by Stefan van der Walt
parent f267f65666
commit 02bf713017
1 changed files with 3 additions and 0 deletions
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skimage/measure/_polygon.py
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@@ -136,10 +136,13 @@ def subdivide_polygon(coords, degree=2):
method = 'valid'
if circular:
# remove last coordinate because of wrapping
coords = coords[:-1, :]
# circular convolution by wrapping boundaries
method = 'same'
mask_even, mask_odd = SUBDIVISION_DEGREES[degree]
# divide by total weight
mask_even = np.array(mask_even, 'float') / 2 ** degree
mask_odd = np.array(mask_odd, 'float') / 2 ** degree