def test_background():
img = data.binary_blobs(length=128, blob_size_fraction=0.15, n_dim=3)
l_ndi = _label_bool(img, background=0)
l_cy = clabel(img, background=0)
testing.assert_equal(l_ndi, l_cy)
l_ndi = _label_bool(img, background=1)
l_cy = clabel(img, background=1)
testing.assert_equal(l_ndi, l_cy)
def test_connectivity():
img = data.binary_blobs(length=128, blob_size_fraction=0.15, n_dim=3)
for c in (1, 2, 3):
l_ndi = _label_bool(img, connectivity=c)
l_cy = clabel(img, connectivity=c)
testing.assert_equal(l_ndi, l_cy)
for c in (0, 4):
with pytest.raises(ValueError):
l_ndi = _label_bool(img, connectivity=c)
with pytest.raises(ValueError):
l_cy = clabel(img, connectivity=c)
def test_return_num():
img = data.binary_blobs(length=128, blob_size_fraction=0.15, n_dim=3)
l_ndi = _label_bool(img, return_num=True)
l_cy = clabel(img, return_num=True)
testing.assert_equal(l_ndi, l_cy)
def test_no_option():
img = data.binary_blobs(length=128, blob_size_fraction=0.15, n_dim=3)
l_ndi = _label_bool(img)
l_cy = clabel(img)
testing.assert_equal(l_ndi, l_cy)