def chain_compose_after_inplace_chain_test():
a = PointCloud(np.random.random([10, 2]))
b = PointCloud(np.random.random([10, 2]))
t = Translation([3, 4])
s = Scale([4, 2])
chain_1 = TransformChain([t, s])
chain_2 = TransformChain([s.pseudoinverse, t.pseudoinverse])
chain_1.compose_before_inplace(chain_2)
points = PointCloud(np.random.random([10, 2]))
chain_res = chain_1.apply(points)
assert(np.allclose(points.points, chain_res.points))
def chain_compose_before_tps_test():
a = PointCloud(np.random.random([10, 2]))
b = PointCloud(np.random.random([10, 2]))
tps = TPS(a, b)
t = Translation([3, 4])
s = Scale([4, 2])
chain = TransformChain([t, s])
chain_mod = chain.compose_before(tps)
points = PointCloud(np.random.random([10, 2]))
manual_res = tps.apply(s.apply(t.apply(points)))
chain_res = chain_mod.apply(points)
assert(np.all(manual_res.points == chain_res.points))
def manual_no_op_chain_test():
points = PointCloud(np.random.random([10, 2]))
t = Translation([3, 4])
chain = TransformChain([t, t.pseudoinverse])
points_applied = chain.apply(points)
assert(np.allclose(points_applied.points, points.points))
