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looks like I didn't save on the previous commit; these should be squashed with the previous commit message

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Adam Ginsburg
2012-12-25 14:27:49 -07:00
parent 875270cb78
commit 0824af0e3a
1 changed files with 5 additions and 3 deletions
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skimage/transform/_geometric.py
+5 -3
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@@ -848,6 +848,8 @@ def warp_coords(coord_map, shape, dtype=np.float64):
----------
coord_map : callable like GeometricTransform.inverse
Return input coordinates for given output coordinates.
Coordinates are in the shape (P,2), where P is the number
of coordinates and each element is an x,y pair
shape : tuple
Shape of output image ``(rows, cols[, bands])``.
dtype : np.dtype or string
@@ -879,11 +881,11 @@ def warp_coords(coord_map, shape, dtype=np.float64):
>>> from skimage import data
>>> from scipy.ndimage import map_coordinates
>>>
>>> def shift_up1_left2(xy):
... return xy-np.array([-2,1])[:,None]
>>> def shift_up10_left20(xy):
... return xy-np.array([-20,10])[None,:]
>>>
>>> image = data.lena().astype(np.float32)
>>> coords = warp_coords(shift_right, image.shape)
>>> coords = warp_coords(shift_up10_left20, image.shape)
>>> warped_image = map_coordinates(image, coords)
>>>