36 lines
1 KiB
Python
36 lines
1 KiB
Python
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import numpy as np
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from skimage.measure import points_in_poly, grid_points_in_poly
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from skimage._shared.testing import assert_array_equal
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class TestNpnpoly():
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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_in_poly([[0.5, 0.5]], v)[0])
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assert(not points_in_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_in_poly([[0.5, 0.7]], v)[0])
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assert(not points_in_poly([[0.5, 0.76]], v)[0])
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assert(not points_in_poly([[0.7, 0.5]], v)[0])
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def test_type(self):
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assert(points_in_poly([[0, 0]], [[0, 0]]).dtype == np.bool)
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def test_grid_points_in_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_in_poly((5, 5), v), expected)
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