def setUp(self): self.num_rays = 10 dir = N.tile(N.c_[[0, 0, -1]], (1, self.num_rays)) theta = N.linspace(0, 2*N.pi, self.num_rays, endpoint=False) position = N.vstack((N.cos(theta), N.sin(theta), N.ones(self.num_rays))) self._bund = RayBundle() self._bund.set_vertices(position) self._bund.set_directions(dir) self.gm = Paraboloid(a=5., b=5.) self.prm = self.gm.find_intersections(N.eye(4), self._bund)
class TestInterface(unittest.TestCase): def setUp(self): self.num_rays = 10 dir = N.tile(N.c_[[0, 0, -1]], (1, self.num_rays)) theta = N.linspace(0, 2*N.pi, self.num_rays, endpoint=False) position = N.vstack((N.cos(theta), N.sin(theta), N.ones(self.num_rays))) self._bund = RayBundle() self._bund.set_vertices(position) self._bund.set_directions(dir) self.gm = Paraboloid(a=5., b=5.) self.prm = self.gm.find_intersections(N.eye(4), self._bund) def test_find_intersections(self): """The correct parametric locations are found for paraboloid geometry""" self.failUnlessEqual(self.prm.shape, (self.num_rays,)) N.testing.assert_array_almost_equal(self.prm, 0.96) def test_get_normals(self): """Paraboloid surface returns center-pointing normals""" self.gm.select_rays(N.arange(self.num_rays)) n = self.gm.get_normals() # all rays selected N.testing.assert_array_equal(n[-1,0], n[-1,1:]) N.testing.assert_array_almost_equal(self._bund.get_vertices()[:2], -n[:2]/N.sqrt((n[:2]**2).sum(axis=0))) def test_inters_points_global(self): """Paraboloid returns correct intersections""" self.gm.select_rays(N.arange(self.num_rays)) pts = self.gm.get_intersection_points_global() N.testing.assert_array_equal(pts[:2], self._bund.get_vertices()[:2]) N.testing.assert_array_almost_equal(pts[2], 0.04)
class TestInterface(unittest.TestCase): def setUp(self): self.num_rays = 10 dir = N.tile(N.c_[[0, 0, -1]], (1, self.num_rays)) theta = N.linspace(0, 2*N.pi, self.num_rays, endpoint=False) position = N.vstack((N.cos(theta), N.sin(theta), N.ones(self.num_rays))) self._bund = RayBundle() self._bund.set_vertices(position) self._bund.set_directions(dir) self.gm = Paraboloid(a=5., b=5.) self.prm = self.gm.find_intersections(N.eye(4), self._bund) def test_find_intersections(self): """The correct parametric locations are found for paraboloid geometry""" self.failUnlessEqual(self.prm.shape, (self.num_rays,)) N.testing.assert_array_almost_equal(self.prm, 0.96) def test_get_normals(self): """Paraboloid surface returns center-pointing normals""" self.gm.select_rays(N.arange(self.num_rays)) n = self.gm.get_normals() # all rays selected N.testing.assert_array_equal(n[-1,0], n[-1,1:]) N.testing.assert_array_almost_equal(self._bund.get_vertices()[:2], -n[:2]/N.sqrt((n[:2]**2).sum(axis=0))) def test_inters_points_global(self): """Paraboloid returns correct intersections""" self.gm.select_rays(N.arange(self.num_rays)) pts = self.gm.get_intersection_points_global() N.testing.assert_array_equal(pts[:2], self._bund.get_vertices()[:2]) N.testing.assert_array_almost_equal(pts[2], 0.04)
def setUp(self): self.num_rays = 10 dir = N.tile(N.c_[[0, 0, -1]], (1, self.num_rays)) theta = N.linspace(0, 2*N.pi, self.num_rays, endpoint=False) position = N.vstack((N.cos(theta), N.sin(theta), N.ones(self.num_rays))) self._bund = RayBundle() self._bund.set_vertices(position) self._bund.set_directions(dir) self.gm = Paraboloid(a=5., b=5.) self.prm = self.gm.find_intersections(N.eye(4), self._bund)
def setUp(self): self.assembly = Assembly() surface1 = Surface(Paraboloid(), optics_callables.perfect_mirror) self.object = AssembledObject() self.object.add_surface(surface1) self.assembly.add_object(self.object) x = 1. / (math.sqrt(2)) dir = N.c_[[0, 0, -1.], [0, x, -x]] position = N.c_[[0, 0, 1.], [0, 0, 1.]] self._bund = RayBundle(position, dir, energy=N.ones(2), ref_index=N.ones(2))