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remove inconsistent numeric correction and fix test case

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This commit is contained in:
Johannes Schönberger
2012-07-15 15:47:11 +02:00
parent acb1d71cd5
commit 8bde92b66c
2 changed files with 4 additions and 7 deletions
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skimage/transform/tests/test_geometric.py
+4 -2
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@@ -92,10 +92,12 @@ def test_polynomial():
assert_array_almost_equal(tform.fwd(SRC), DST, 6)
def test_homography():
x = img_as_float(np.arange(9, dtype=np.uint8).reshape((3, 3)) + 1)
x = np.zeros((5,5), dtype=np.uint8)
x[1, 1] = 255
x = img_as_float(x)
theta = -np.pi/2
M = np.array([[np.cos(theta),-np.sin(theta),0],
[np.sin(theta), np.cos(theta),2],
[np.sin(theta), np.cos(theta),4],
[0, 0, 1]])
x90 = homography(x, M, order=1)
assert_array_almost_equal(x90, np.rot90(x))