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add test case for correct quadrant determination

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Johannes Schönberger
2012-08-04 10:54:15 +02:00
parent f614afaa08
commit 8e28e39887
1 changed files with 4 additions and 0 deletions
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skimage/measure/tests/test_regionprops.py
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@@ -1,6 +1,7 @@
from numpy.testing import assert_array_equal, assert_almost_equal, \
assert_array_almost_equal
import numpy as np
import math
from skimage.measure import regionprops
@@ -193,6 +194,9 @@ def test_orientation():
orientation = regionprops(SAMPLE, ['Orientation'])[0]['Orientation']
# determined with MATLAB
assert_almost_equal(orientation, 0.10446844651921)
# test correct quadrant determination
orientation2 = regionprops(SAMPLE.T, ['Orientation'])[0]['Orientation']
assert_almost_equal(orientation2, math.pi / 2 - orientation)
def test_perimeter():
perimeter = regionprops(SAMPLE, ['Perimeter'])[0]['Perimeter']