Files
2013-07-13 01:34:51 +02:00

41 lines
1.0 KiB
Python

import numpy as np
from numpy.testing import assert_equal
from skimage.util import regular_grid
def test_regular_grid_full():
ar = np.zeros((2, 2))
g = regular_grid(ar, 25)
assert_equal(g, [slice(None, None, None), slice(None, None, None)])
ar[g] = 1
assert_equal(ar.size, ar.sum())
def test_regular_grid_2d_8():
ar = np.zeros((20, 40))
g = regular_grid(ar.shape, 8)
assert_equal(g, [slice(5.0, None, 10.0), slice(5.0, None, 10.0)])
ar[g] = 1
assert_equal(ar.sum(), 8)
def test_regular_grid_2d_32():
ar = np.zeros((20, 40))
g = regular_grid(ar.shape, 32)
assert_equal(g, [slice(2.0, None, 5.0), slice(2.0, None, 5.0)])
ar[g] = 1
assert_equal(ar.sum(), 32)
def test_regular_grid_3d_8():
ar = np.zeros((3, 20, 40))
g = regular_grid(ar.shape, 8)
assert_equal(g, [slice(1.0, None, 3.0), slice(5.0, None, 10.0),
slice(5.0, None, 10.0)])
ar[g] = 1
assert_equal(ar.sum(), 8)
if __name__ == '__main__':
np.testing.run_module_suite()