mirror of
https://github.com/wassname/scikit-image.git
synced 2026-06-29 03:37:34 +08:00
Andreas Mueller
41 lines
1.2 KiB
Python
41 lines
1.2 KiB
Python
import numpy as np
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from numpy.testing import assert_array_equal
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from skimage.morphology._pnpoly import points_inside_poly, \
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grid_points_inside_poly
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class test_npnpoly():
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def test_square(self):
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v = np.array([[0, 0],
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[0, 1],
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[1, 1],
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[1, 0]])
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assert(points_inside_poly([[0.5, 0.5]], v)[0])
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assert(not points_inside_poly([[-0.1, 0.1]], v)[0])
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def test_triangle(self):
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v = np.array([[0, 0],
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[1, 0],
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[0.5, 0.75]])
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assert(points_inside_poly([[0.5, 0.7]], v)[0])
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assert(not points_inside_poly([[0.5, 0.76]], v)[0])
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assert(not points_inside_poly([[0.7, 0.5]], v)[0])
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def test_type(self):
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assert(points_inside_poly([[0, 0]], [[0, 0]]).dtype == np.bool)
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def test_grid_points_inside_poly():
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v = np.array([[0, 0],
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[5, 0],
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[5, 5]])
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expected = np.tril(np.ones((5, 5), dtype=bool))
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assert_array_equal(grid_points_inside_poly((5, 5), v),
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expected)
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if __name__ == "__main__":
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np.testing.run_module_suite()
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