def test_eval_child(self):
m = cmaterials.PECMaterial()
in_ray = ctracer.Ray(origin=(-1, 0, -1), direction=(1, 0, 1))
out_rays = ctracer.RayCollection(1)
m.eval_child_ray(in_ray, 1, (0, 0, 0), (0, 0, 1), (0, 1, 0), out_rays)
out_ray = out_rays[0]
self.assertEqual(out_ray.direction, (1, 0, -1))
def make_ray():
rnd = random.random
r = ctracer.Ray(origin=(rnd(), rnd(), rnd()),
direction=(rnd(), rnd(), rnd()),
E1_amp=(rnd() + 1j * rnd()),
E2_amp=(rnd() + 1j * rnd()),
refractive_index=(rnd() + 1j * rnd()))
return r
def test_iteration(self):
ray = ctracer.Ray(origin=(-1, 0, -1), direction=(1, 0, 1))
rc = ctracer.RayCollection(10)
for i in range(6):
rc.add_ray(ray)
self.assertEqual(rc.n_rays, 6)
rays = [r for r in rc]
self.assertEqual(len(rays), 6)
def test_linear(self):
in_ray = ctracer.Ray(origin=(-1, 0, -1),
direction=(1, 0, 1),
E_vector=(1., 2., 3.),
E1_amp=(1.0 + 2.0j) / numpy.sqrt(2),
E2_amp=(2.0 + 4.0j) / numpy.sqrt(2))
self.assertAlmostEqual(in_ray.ellipticity, 0.0)
def test_termination(self):
a = (1, 2, 3)
b = (4, 5, 6)
c = 2.3
ray = ctracer.Ray(origin=a, direction=b)
ray.length = c
result = tuple(A + c * B for A, B in zip(a, b))
shift = sum((a - b)**2 for a, b in zip(result, ray.termination))
self.assertAlmostEqual(shift, 0.0)
def test_ellipticity_LHS(self):
phase = (1.23 + 3.45j)
in_ray = ctracer.Ray(origin=(-1, 0, -1),
direction=(1, 0, 1),
E_vector=(1., 2., 3.),
E1_amp=phase * (2.0 + 0.0j) / numpy.sqrt(2),
E2_amp=phase * (0.0 - 2.0j) / numpy.sqrt(2))
self.assertEqual(in_ray.ellipticity, -1.0)
def test_face_set_intersection(self):
o = AnOwner(diameter=5.5, offset=6.6)
c = cfaces.CircularFace(owner=o)
c.idx = 7
fl = ctracer.FaceList()
fl.faces = [c]
r = ctracer.Ray(origin=(-1, 0, -1), direction=(1, 0, 1), length=10)
idx = fl.intersect(r, 20)
self.assertEqual(r.end_face_idx, 7)
self.assertEqual(r.length, sqrt(2.0))
def test_iteration2(self):
ray = ctracer.Ray(origin=(-1, 0, -1), direction=(1, 0, 1))
rc = ctracer.RayCollection(10)
for i in range(6):
rc.add_ray(ray)
self.assertEqual(rc.n_rays, 6)
itr = iter(rc)
self.assertEqual(type(itr), ctracer.RayCollectionIterator)
for i in range(6):
r1 = next(itr)
self.assertEqual(r1.origin, ray.origin)
self.assertEqual(r1.direction, ray.direction)
def test_trace_segment(self):
from raytrace import cfaces
o = AnOwner(diameter=5.5, offset=6.6)
c = cfaces.CircularFace(owner=o)
rays = ctracer.RayCollection(10)
in_ray = ctracer.Ray(origin=(-1, 0, -1), direction=(1, 0, 1))
rays.add_ray(in_ray)
self.assertEqual(rays.n_rays, 1)
face_set = ctracer.FaceList()
face_set.faces = [c]
all_faces = [c]
out_rays = ctracer.trace_segment(rays, [face_set], all_faces)
self.assertEqual(out_rays.n_rays, 1)
out_ray = out_rays[0]
self.assertEqual(out_ray.direction, (1, 0, -1))
