def test_homog_compose_after_uniformscale():
homog = Homogeneous(np.array([[0, 1, 0],
[1, 0, 0],
[0, 0, 1]]))
s = UniformScale(3, 2)
res = homog.compose_after(s)
assert(type(res) == Homogeneous)
assert_allclose(res.h_matrix, np.array([[0, 3, 0],
[3, 0, 0],
[0, 0, 1]]))
def test_homog_compose_after_alignment_rotation():
homog = Homogeneous(np.array([[0, 1, 0],
[1, 0, 0],
[0, 0, 1]]))
source = PointCloud(np.array([[0, 1],
[1, 1],
[-1, -5],
[3, -5]]))
r = AlignmentRotation(source, source)
res = homog.compose_after(r)
assert(type(res) == Homogeneous)
