def test_nonuniformscale2d_from_vector():
scale = np.array([1, 2])
h**o = np.array([[scale[0], 0, 0],
[0, scale[1], 0],
[0, 0, 1]])
tr = NonUniformScale.identity(2).from_vector(scale)
assert_equal(tr.h_matrix, h**o)
def test_nonuniformscale_identity_3d():
assert_allclose(NonUniformScale.identity(3).h_matrix, np.eye(4))
