Files
scikit-image/skimage/measure/tests/test_pnpoly.py
T
2014-09-22 17:56:18 +02:00

40 lines
1.1 KiB
Python

import numpy as np
from numpy.testing import assert_array_equal
from skimage.measure import points_in_poly, grid_points_in_poly
class test_npnpoly():
def test_square(self):
v = np.array([[0, 0],
[0, 1],
[1, 1],
[1, 0]])
assert(points_in_poly([[0.5, 0.5]], v)[0])
assert(not points_in_poly([[-0.1, 0.1]], v)[0])
def test_triangle(self):
v = np.array([[0, 0],
[1, 0],
[0.5, 0.75]])
assert(points_in_poly([[0.5, 0.7]], v)[0])
assert(not points_in_poly([[0.5, 0.76]], v)[0])
assert(not points_in_poly([[0.7, 0.5]], v)[0])
def test_type(self):
assert(points_in_poly([[0, 0]], [[0, 0]]).dtype == np.bool)
def test_grid_points_in_poly():
v = np.array([[0, 0],
[5, 0],
[5, 5]])
expected = np.tril(np.ones((5, 5), dtype=bool))
assert_array_equal(grid_points_in_poly((5, 5), v),
expected)
if __name__ == "__main__":
np.testing.run_module_suite()