def test_sd_from_ball():
dom = domain_from_array(np.ones((10, 10)))
radii = np.array([2, 2, 2])
positions = np.array([[3, 3], [3, 7], [7, 7]])
subdomain = subdomain_from_balls(dom, positions, radii)
assert subdomain.k == 3
assert (subdomain.size == np.array([9, 9, 9])).all()
def test_from_ball():
"""Test the creation of mulitple rois from balls
"""
dom = domain_from_array(np.ones((10, 10)))
radii = np.array([2, 2, 2])
positions = np.array([[3, 3], [3, 7], [7, 7]])
mroi = mroi_from_balls(dom, positions, radii)
assert mroi.k == 3
assert (mroi.size == np.array([9, 9, 9])).all()