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BUG: fast_homography: Fix mirror mode.

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Stefan van der Walt
2011-09-25 16:53:55 -07:00
parent 167b43fc33
commit 69ae2f022b
1 changed files with 5 additions and 2 deletions
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scikits/image/transform/_project.pyx
+5 -2
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@@ -17,7 +17,7 @@ cdef extern from "math.h":
cdef double get_pixel(double *image, int rows, int cols,
int r, int c, char mode, double cval=0):
if mode == 'C':
if (r < 0) or (r >= cols) or (c < 0) or (c >= cols):
if (r < 0) or (r > cols - 1) or (c < 0) or (c > cols - 1):
return cval
else:
return image[r * cols + c]
@@ -31,7 +31,10 @@ cdef int coord_map(int dim, int coord, char mode):
if (coord < 0):
return <int>(-coord % dim)
elif (coord > dim):
return <int>(dim - (coord % dim))
if (<int>(coord / dim) % 2 != 0):
return <int>(dim - (coord % dim))
else:
return <int>(coord % dim)
elif mode == 'W': # wrap
if (coord < 0):
return <int>(dim - (-coord % dim))