def setUp(self):
self.assembly = Assembly()
surface1 = Surface(flat_surface.FlatGeometryManager(),
optics_callables.RefractiveHomogenous(1., 1.5),
location=N.array([0,0,-1.]))
surface2 = Surface(flat_surface.FlatGeometryManager(),
optics_callables.RefractiveHomogenous(1., 1.5),
location=N.array([0,0,1.]))
self.object1 = AssembledObject()
self.object1.add_surface(surface1)
self.object1.add_surface(surface2)
boundary = BoundarySphere(location=N.r_[0,0.,3], radius=3.)
surface3 = Surface(CutSphereGM(2., boundary), optics_callables.perfect_mirror)
self.object2 = AssembledObject()
self.object2.add_surface(surface3)
self.transform = generate_transform(N.r_[1,0.,0],0.,N.c_[[0.,0,2]])
self.assembly.add_object(self.object1)
self.assembly.add_object(self.object2, self.transform)
x = 1./(math.sqrt(2))
dir = N.c_[[0,1.,0.],[0,x,x],[0,0,1.]]
position = N.c_[[0,0,2.],[0,0,2.],[0,0.,2.]]
self._bund = RayBundle(position, dir, energy=N.ones(3), ref_index=N.ones(3))
def setUp(self):
self.assembly = Assembly()
surface1 = Surface(FlatGeometryManager(),
opt.RefractiveHomogenous(1., 1.5),
location=N.array([0, 0, -1.]))
surface2 = Surface(FlatGeometryManager(),
opt.RefractiveHomogenous(1., 1.5),
location=N.array([0, 0, 1.]))
object1 = AssembledObject(surfs=[surface1, surface2])
boundary = BoundarySphere(location=N.r_[0, 0., 3], radius=3.)
surface3 = Surface(CutSphereGM(2., boundary), opt.perfect_mirror)
object2 = AssembledObject(surfs=[surface3],
transform=translate(0., 0., 2.))
self.assembly = Assembly(objects=[object1, object2])
x = 1. / (math.sqrt(2))
dir = N.c_[[0, 1., 0.], [0, x, x], [0, 0, 1.]]
position = N.c_[[0, 0, 2.], [0, 0, 2.], [0, 0., 2.]]
self._bund = RayBundle(position,
dir,
ref_index=N.ones(3),
energy=N.ones(3))
self.engine = TracerEngine(self.assembly)
def setUp(self):
self.assembly = Assembly()
surface1 = Surface(flat_surface.FlatGeometryManager(),
optics_callables.RefractiveHomogenous(1., 1.5),
location=N.array([0, 0, -1.]))
surface2 = Surface(flat_surface.FlatGeometryManager(),
optics_callables.RefractiveHomogenous(1., 1.5),
location=N.array([0, 0, 1.]))
self.object1 = AssembledObject()
self.object1.add_surface(surface1)
self.object1.add_surface(surface2)
boundary = BoundarySphere(location=N.r_[0, 0., 3], radius=3.)
surface3 = Surface(CutSphereGM(2., boundary),
optics_callables.perfect_mirror)
self.object2 = AssembledObject()
self.object2.add_surface(surface3)
self.transform = generate_transform(N.r_[1, 0., 0], 0.,
N.c_[[0., 0, 2]])
self.assembly.add_object(self.object1)
self.assembly.add_object(self.object2, self.transform)
x = 1. / (math.sqrt(2))
dir = N.c_[[0, 1., 0.], [0, x, x], [0, 0, 1.]]
position = N.c_[[0, 0, 2.], [0, 0, 2.], [0, 0., 2.]]
self._bund = RayBundle(position,
dir,
energy=N.ones(3),
ref_index=N.ones(3))
class TestObjectBuilding1(unittest.TestCase):
"""Tests an object composed of sphere surfaces"""
def setUp(self):
self.assembly = Assembly()
surface1 = Surface(HemisphereGM(3.), optics_callables.perfect_mirror,
location=N.array([0,0,-1.]),
rotation=general_axis_rotation(N.r_[1,0,0], N.pi))
surface2 = Surface(HemisphereGM(3.), optics_callables.perfect_mirror,
location=N.array([0,0,1.]))
self.object = AssembledObject()
self.object.add_surface(surface1)
self.object.add_surface(surface2)
self.assembly.add_object(self.object)
dir = N.c_[[0,0,1.],[0,0,1.]]
position = N.c_[[0,0,-3.],[0,0,-1.]]
self._bund = RayBundle(position, dir, energy=N.ones(2))
def test_object(self):
"""Tests that the assembly heirarchy works at a basic level"""
self.engine = TracerEngine(self.assembly)
inters = self.engine.ray_tracer(self._bund,1,.05)[0]
correct_inters = N.c_[[0,0,2],[0,0,-2]]
N.testing.assert_array_almost_equal(inters, correct_inters)
def test_translation(self):
"""Tests an assembly that has been translated"""
trans = N.array([[1,0,0,0],[0,1,0,0],[0,0,1,1],[0,0,0,1]])
self.assembly.transform_children(trans)
self.engine = TracerEngine(self.assembly)
params = self.engine.ray_tracer(self._bund,1,.05)[0]
correct_params = N.c_[[0,0,3],[0,0,-1]]
N.testing.assert_array_almost_equal(params, correct_params)
def test_rotation_and_translation(self):
"""Tests an assembly that has been translated and rotated"""
self._bund = RayBundle()
self._bund.set_vertices(N.c_[[0,-5,1],[0,5,1]])
self._bund.set_directions(N.c_[[0,1,0],[0,1,0]])
self._bund.set_energy(N.r_[[1,1]])
self._bund.set_ref_index(N.r_[[1,1]])
trans = generate_transform(N.r_[[1,0,0]], N.pi/2, N.c_[[0,0,1]])
self.assembly.transform_children(trans)
self.engine = TracerEngine(self.assembly)
params = self.engine.ray_tracer(self._bund,1,.05)[0]
correct_params = N.c_[[0,-2,1]]
N.testing.assert_array_almost_equal(params, correct_params)
class TestAssemblyBuilding3(unittest.TestCase):
"""Tests an assembly composed of objects that are transformed rel. the assembly"""
def setUp(self):
self.assembly = Assembly()
surface1 = Surface(flat_surface.FlatGeometryManager(),
optics_callables.RefractiveHomogenous(1., 1.5),
location=N.array([0, 0, -1.]))
surface2 = Surface(flat_surface.FlatGeometryManager(),
optics_callables.RefractiveHomogenous(1., 1.5),
location=N.array([0, 0, 1.]))
self.object1 = AssembledObject()
self.object1.add_surface(surface1)
self.object1.add_surface(surface2)
boundary = BoundarySphere(location=N.r_[0, 0., 3], radius=3.)
surface3 = Surface(CutSphereGM(2., boundary),
optics_callables.perfect_mirror)
self.object2 = AssembledObject()
self.object2.add_surface(surface3)
self.transform = generate_transform(N.r_[1, 0., 0], 0.,
N.c_[[0., 0, 2]])
self.assembly.add_object(self.object1)
self.assembly.add_object(self.object2, self.transform)
x = 1. / (math.sqrt(2))
dir = N.c_[[0, 1., 0.], [0, x, x], [0, 0, 1.]]
position = N.c_[[0, 0, 2.], [0, 0, 2.], [0, 0., 2.]]
self._bund = RayBundle(position,
dir,
energy=N.ones(3),
ref_index=N.ones(3))
def test_assembly1(self):
"""Tests the assembly after one iteration"""
self.engine = TracerEngine(self.assembly)
ans = self.engine.ray_tracer(self._bund, 1, .05)
params = N.arctan(ans[1][1] / ans[1][2])
correct_params = N.r_[0.7853981, 0]
N.testing.assert_array_almost_equal(params, correct_params)
def test_assembly2(self):
"""Tests the assembly after two iterations"""
self.engine = TracerEngine(self.assembly)
params = self.engine.ray_tracer(self._bund, 2, .05)[0]
correct_params = N.c_[[0, -1, 1], [0, -1, 1], [0, 0, 1]]
N.testing.assert_array_almost_equal(params, correct_params)
def test_assembly3(self):
"""Tests the assembly after three iterations"""
self.engine = TracerEngine(self.assembly)
params = self.engine.ray_tracer(self._bund, 3, .05)[0]
correct_params = N.c_[[0, -2.069044, -1], [0, 0, -1]]
N.testing.assert_array_almost_equal(params, correct_params)
def setUp(self):
dir = N.array([[1,1,-1],[-1,1,-1],[-1,-1,-1],[1,-1,-1]]).T/math.sqrt(3)
position = N.c_[[0,0,1],[1,-1,1],[1,1,1],[-1,1,1]]
self._bund = RayBundle(position, dir, energy=N.ones(4))
self.assembly = Assembly()
object = AssembledObject()
object.add_surface(Surface(FlatGeometryManager(), opt.perfect_mirror))
self.assembly.add_object(object)
self.engine = TracerEngine(self.assembly)
def setUp(self):
dir = N.array([[1, 1, -1], [-1, 1, -1], [-1, -1, -1], [1, -1, -1]
]).T / math.sqrt(3)
position = N.c_[[0, 0, 1], [1, -1, 1], [1, 1, 1], [-1, 1, 1]]
self._bund = RayBundle(position, dir, energy=N.ones(4))
self.assembly = Assembly()
object = AssembledObject()
object.add_surface(Surface(FlatGeometryManager(), opt.perfect_mirror))
self.assembly.add_object(object)
self.engine = TracerEngine(self.assembly)
def setUp(self):
self.eighth_circle_trans = generate_transform(N.r_[1., 0, 0], N.pi / 4,
N.c_[[0., 1, 0]])
self.surf = Surface(flat_surface.FlatGeometryManager(), \
optics_callables.perfect_mirror)
self.obj = AssembledObject(surfs=[self.surf])
self.sub_assembly = Assembly()
self.sub_assembly.add_object(self.obj, self.eighth_circle_trans)
self.assembly = Assembly()
self.assembly.add_assembly(self.sub_assembly, self.eighth_circle_trans)
class TestAssemblyBuilding3(unittest.TestCase):
"""Tests an assembly composed of objects that are transformed rel. the assembly"""
def setUp(self):
self.assembly = Assembly()
surface1 = Surface(flat_surface.FlatGeometryManager(),
optics_callables.RefractiveHomogenous(1., 1.5),
location=N.array([0,0,-1.]))
surface2 = Surface(flat_surface.FlatGeometryManager(),
optics_callables.RefractiveHomogenous(1., 1.5),
location=N.array([0,0,1.]))
self.object1 = AssembledObject()
self.object1.add_surface(surface1)
self.object1.add_surface(surface2)
boundary = BoundarySphere(location=N.r_[0,0.,3], radius=3.)
surface3 = Surface(CutSphereGM(2., boundary), optics_callables.perfect_mirror)
self.object2 = AssembledObject()
self.object2.add_surface(surface3)
self.transform = generate_transform(N.r_[1,0.,0],0.,N.c_[[0.,0,2]])
self.assembly.add_object(self.object1)
self.assembly.add_object(self.object2, self.transform)
x = 1./(math.sqrt(2))
dir = N.c_[[0,1.,0.],[0,x,x],[0,0,1.]]
position = N.c_[[0,0,2.],[0,0,2.],[0,0.,2.]]
self._bund = RayBundle(position, dir, energy=N.ones(3), ref_index=N.ones(3))
def test_assembly1(self):
"""Tests the assembly after one iteration"""
self.engine = TracerEngine(self.assembly)
ans = self.engine.ray_tracer(self._bund,1,.05)
params = N.arctan(ans[1][1]/ans[1][2])
correct_params = N.r_[0.7853981, 0]
N.testing.assert_array_almost_equal(params, correct_params)
def test_assembly2(self):
"""Tests the assembly after two iterations"""
self.engine = TracerEngine(self.assembly)
params = self.engine.ray_tracer(self._bund,2,.05)[0]
correct_params = N.c_[[0,-1,1], [0,-1,1],[0,0,1]]
N.testing.assert_array_almost_equal(params, correct_params)
def test_assembly3(self):
"""Tests the assembly after three iterations"""
self.engine = TracerEngine(self.assembly)
params = self.engine.ray_tracer(self._bund, 3,.05)[0]
correct_params = N.c_[[0,-2.069044,-1],[0,0,-1]]
N.testing.assert_array_almost_equal(params, correct_params)
def setUp(self):
surface = Surface(HemisphereGM(1.), opt.perfect_mirror,
rotation=general_axis_rotation(N.r_[1,0,0], N.pi))
self._bund = RayBundle(energy=N.ones(3))
self._bund.set_directions(N.c_[[0,1,0],[0,1,0],[0,-1,0]])
self._bund.set_vertices(N.c_[[0,-2.,0.001],[0,0,0.001],[0,2,0.001]])
assembly = Assembly()
object = AssembledObject()
object.add_surface(surface)
assembly.add_object(object)
self.engine = TracerEngine(assembly)
def setUp(self):
surface1 = Surface(HemisphereGM(2.),
opt.perfect_mirror,
rotation=general_axis_rotation(
N.r_[1, 0, 0], N.pi / 2.))
surface2 = Surface(HemisphereGM(2.),
opt.perfect_mirror,
location=N.array([0, -2, 0]),
rotation=general_axis_rotation(
N.r_[1, 0, 0], -N.pi / 2.))
self._bund = RayBundle()
self._bund.set_directions(N.c_[[0, 1, 0]])
self._bund.set_vertices(N.c_[[0, -1, 0]])
self._bund.set_energy(N.r_[[1]])
self._bund.set_ref_index(N.r_[[1]])
assembly = Assembly()
object1 = AssembledObject()
object2 = AssembledObject()
object1.add_surface(surface1)
object2.add_surface(surface2)
assembly.add_object(object1)
assembly.add_object(object2)
self.engine = TracerEngine(assembly)
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))
def setUp(self):
surface = Surface(HemisphereGM(1.),
opt.perfect_mirror,
rotation=general_axis_rotation(N.r_[1, 0, 0], N.pi))
self._bund = RayBundle(energy=N.ones(3))
self._bund.set_directions(N.c_[[0, 1, 0], [0, 1, 0], [0, -1, 0]])
self._bund.set_vertices(N.c_[[0, -2., 0.001], [0, 0, 0.001],
[0, 2, 0.001]])
assembly = Assembly()
object = AssembledObject()
object.add_surface(surface)
assembly.add_object(object)
self.engine = TracerEngine(assembly)
class TestTree(unittest.TestCase):
"""Tests an assembly composed of objects"""
def setUp(self):
self.assembly = Assembly()
surface1 = Surface(FlatGeometryManager(), opt.perfect_mirror)
self.object1 = AssembledObject()
self.object1.add_surface(surface1)
boundary = BoundarySphere(location=N.r_[0, 0., 3], radius=3.)
surface3 = Surface(CutSphereGM(2., boundary), opt.perfect_mirror)
self.object2 = AssembledObject()
self.object2.add_surface(surface3)
self.transform1 = generate_transform(N.r_[1., 0, 0], N.pi / 4,
N.c_[[0, 0, -1.]])
self.transform2 = translate(0., 0., 2.)
self.assembly.add_object(self.object1, self.transform1)
self.assembly.add_object(self.object2, self.transform2)
def test_tree1(self):
"""Tests that the tracing tree works, with three rays"""
x = 1. / (math.sqrt(2))
dir = N.c_[[0, x, x], [0, -x, x], [0, 0, 1.]]
position = N.c_[[0, 0, 2.], [0, 0, 2.], [0, 0., 2.]]
bund = RayBundle(position, dir, energy=N.ones(3))
self.engine = TracerEngine(self.assembly)
self.engine.ray_tracer(bund, 3, .05)[0]
params = self.engine.tree.ordered_parents()
correct_params = [N.r_[0, 1, 2], N.r_[1, 2], N.r_[0]]
N.testing.assert_equal(params, correct_params)
def test_tree2(self):
"""Tests that the tracing tree works, with a new set of rays"""
x = 1. / (math.sqrt(2))
position = N.c_[[0, 0., -5.], [0, 0., 2.], [0, 2., -5.], [0, 0., 0],
[0, 0, 2.]]
dir = N.c_[[0, 0, 1.], [0, x, -x], [0, 0, -1.], [0, 0, 1.], [0, -x, x]]
bund = RayBundle(position, dir, energy=N.ones(5))
self.engine = TracerEngine(self.assembly)
self.engine.ray_tracer(bund, 3, .05)[0]
params = self.engine.tree.ordered_parents()
correct_params = [N.r_[0, 1, 3, 4], N.r_[2, 3, 1], N.r_[2, 1]]
N.testing.assert_equal(params, correct_params)
def setUp(self):
self.assembly = Assembly()
surface1 = Surface(FlatGeometryManager(), opt.perfect_mirror)
self.object1 = AssembledObject()
self.object1.add_surface(surface1)
boundary = BoundarySphere(location=N.r_[0,0.,3], radius=3.)
surface3 = Surface(CutSphereGM(2., boundary), opt.perfect_mirror)
self.object2 = AssembledObject()
self.object2.add_surface(surface3)
self.transform1 = generate_transform(N.r_[1.,0,0], N.pi/4, N.c_[[0,0,-1.]])
self.transform2 = translate(0., 0., 2.)
self.assembly.add_object(self.object1, self.transform1)
self.assembly.add_object(self.object2, self.transform2)
def setUp(self):
self.x = 1/(math.sqrt(2))
dir = N.c_[[0,-self.x,self.x],[0,0,-1]]
position = N.c_ [[0,2,1],[0,2,1]]
self._bund = RayBundle(position, dir, energy=N.ones(2))
rot1 = general_axis_rotation([1,0,0],N.pi/4)
surf1 = Surface(FlatGeometryManager(), opt.perfect_mirror, rotation=rot1)
surf2 = Surface(FlatGeometryManager(), opt.perfect_mirror)
assembly = Assembly()
object = AssembledObject()
object.add_surface(surf1)
object.add_surface(surf2)
assembly.add_object(object)
self.engine = TracerEngine(assembly)
def setUp(self):
self.assembly = Assembly()
surface1 = Surface(FlatGeometryManager(), opt.perfect_mirror)
self.object1 = AssembledObject()
self.object1.add_surface(surface1)
boundary = BoundarySphere(location=N.r_[0, 0., 3], radius=3.)
surface3 = Surface(CutSphereGM(2., boundary), opt.perfect_mirror)
self.object2 = AssembledObject()
self.object2.add_surface(surface3)
self.transform1 = generate_transform(N.r_[1., 0, 0], N.pi / 4,
N.c_[[0, 0, -1.]])
self.transform2 = translate(0., 0., 2.)
self.assembly.add_object(self.object1, self.transform1)
self.assembly.add_object(self.object2, self.transform2)
class TestTree(unittest.TestCase):
"""Tests an assembly composed of objects"""
def setUp(self):
self.assembly = Assembly()
surface1 = Surface(FlatGeometryManager(), opt.perfect_mirror)
self.object1 = AssembledObject()
self.object1.add_surface(surface1)
boundary = BoundarySphere(location=N.r_[0,0.,3], radius=3.)
surface3 = Surface(CutSphereGM(2., boundary), opt.perfect_mirror)
self.object2 = AssembledObject()
self.object2.add_surface(surface3)
self.transform1 = generate_transform(N.r_[1.,0,0], N.pi/4, N.c_[[0,0,-1.]])
self.transform2 = translate(0., 0., 2.)
self.assembly.add_object(self.object1, self.transform1)
self.assembly.add_object(self.object2, self.transform2)
def test_tree1(self):
"""Tests that the tracing tree works, with three rays"""
x = 1./(math.sqrt(2))
dir = N.c_[[0,x,x],[0,-x,x],[0,0,1.]]
position = N.c_[[0,0,2.],[0,0,2.],[0,0.,2.]]
bund = RayBundle(position, dir, energy=N.ones(3))
self.engine = TracerEngine(self.assembly)
self.engine.ray_tracer(bund,3,.05)[0]
params = self.engine.tree.ordered_parents()
correct_params = [N.r_[0,1,2],N.r_[1,2],N.r_[0]]
N.testing.assert_equal(params, correct_params)
def test_tree2(self):
"""Tests that the tracing tree works, with a new set of rays"""
x = 1./(math.sqrt(2))
position = N.c_[[0,0.,-5.],[0,0.,2.],[0,2.,-5.],[0,0.,0],[0,0,2.]]
dir = N.c_[[0,0,1.],[0,x,-x],[0,0,-1.],[0,0,1.],[0,-x,x]]
bund = RayBundle(position, dir, energy=N.ones(5))
self.engine = TracerEngine(self.assembly)
self.engine.ray_tracer(bund,3,.05)[0]
params = self.engine.tree.ordered_parents()
correct_params = [N.r_[0,1,3,4],N.r_[2,3,1],N.r_[2,1]]
N.testing.assert_equal(params, correct_params)
def setUp(self):
self.assembly = Assembly()
surface1 = Surface(HemisphereGM(3.),
optics_callables.perfect_mirror,
location=N.array([0, 0, -1.]),
rotation=general_axis_rotation(N.r_[1, 0, 0], N.pi))
surface2 = Surface(HemisphereGM(3.),
optics_callables.perfect_mirror,
location=N.array([0, 0, 1.]))
self.object = AssembledObject()
self.object.add_surface(surface1)
self.object.add_surface(surface2)
self.assembly.add_object(self.object)
dir = N.c_[[0, 0, 1.], [0, 0, 1.]]
position = N.c_[[0, 0, -3.], [0, 0, -1.]]
self._bund = RayBundle(position, dir, energy=N.ones(2))
def setUp(self):
self.x = 1 / (math.sqrt(2))
dir = N.c_[[0, -self.x, self.x], [0, 0, -1]]
position = N.c_[[0, 2, 1], [0, 2, 1]]
self._bund = RayBundle(position, dir, energy=N.ones(2))
rot1 = general_axis_rotation([1, 0, 0], N.pi / 4)
surf1 = Surface(FlatGeometryManager(),
opt.perfect_mirror,
rotation=rot1)
surf2 = Surface(FlatGeometryManager(), opt.perfect_mirror)
assembly = Assembly()
object = AssembledObject()
object.add_surface(surf1)
object.add_surface(surf2)
assembly.add_object(object)
self.engine = TracerEngine(assembly)
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))
def setUp(self):
self.eighth_circle_trans = generate_transform(N.r_[1., 0, 0], N.pi/4,
N.c_[[0., 1, 0]])
self.surf = Surface(flat_surface.FlatGeometryManager(), \
optics_callables.perfect_mirror)
self.obj = AssembledObject(surfs=[self.surf])
self.sub_assembly = Assembly()
self.sub_assembly.add_object(self.obj, self.eighth_circle_trans)
self.assembly = Assembly()
self.assembly.add_assembly(self.sub_assembly, self.eighth_circle_trans)
class TestAssemblyBuilding4(unittest.TestCase):
"""Tests an assembly composed of objects"""
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))
def test_paraboloid1(self):
"""Tests a paraboloid"""
self.engine = TracerEngine(self.assembly)
params = self.engine.ray_tracer(self._bund,1,.05)[0]
correct_params = N.c_[[0,0,0],[0,0.618033989, 0.381966011]]
N.testing.assert_array_almost_equal(params, correct_params)
def test_intersect_ray2(self):
rot = general_axis_rotation([1,0,0],N.pi/4)
surface = Surface(FlatGeometryManager(), opt.perfect_mirror, rotation=rot)
assembly = Assembly()
object = AssembledObject()
object.add_surface(surface)
assembly.add_object(object)
engine = TracerEngine(assembly)
surfaces = assembly.get_surfaces()
objects = assembly.get_objects()
surfs_per_obj = [len(obj.get_surfaces()) for obj in objects]
surf_ownership = N.repeat(N.arange(len(objects)), surfs_per_obj)
ray_ownership = -1*N.ones(self._bund.get_num_rays())
surfs_relevancy = N.ones((len(surfaces), self._bund.get_num_rays()), dtype=N.bool)
params = engine.intersect_ray(self._bund, surfaces, objects, \
surf_ownership, ray_ownership, surfs_relevancy)[0]
correct_params = N.array([[False, True, False]])
N.testing.assert_array_almost_equal(params, correct_params)
def setUp(self):
"""
Prepare an assembly with two subassemblies: one assembly representing
a spherical lens behind a flat screen, and one asssembly representing a
perfect mirror.
The mirror will be placed at the two subassemblies' focus, so a paraxial
ray will come back on the other side of the optical axis.
Reference:
In [1], the lensmaker equation
"""
# focal length = 1, thickness = 1/6
R = 1. / 6.
back_surf = Surface(HemisphereGM(R),
opt.RefractiveHomogenous(1., 1.5),
location=N.r_[0., 0., -R / 2.])
front_surf = Surface(HemisphereGM(R),
opt.RefractiveHomogenous(1., 1.5),
location=N.r_[0., 0., R / 2.],
rotation=rotx(N.pi / 2.)[:3, :3])
front_lens = AssembledObject(surfs=[back_surf, front_surf])
back_surf = Surface(RoundPlateGM(R),
opt.RefractiveHomogenous(1., 1.5),
location=N.r_[0., 0., -0.01])
front_surf = Surface(RoundPlateGM(R),
opt.RefractiveHomogenous(1., 1.5),
location=N.r_[0., 0., 0.01])
glass_screen = AssembledObject(surfs=[back_surf, front_surf],
transform=translate(0., 0., 0.5))
lens_assembly = Assembly(objects=[glass_screen, front_lens])
lens_assembly.set_transform(translate(0., 0., 1.))
full_assembly = Assembly(objects=[rect_one_sided_mirror(1., 1., 0.)],
subassemblies=[lens_assembly])
self.engine = TracerEngine(full_assembly)
class TestAssemblyBuilding4(unittest.TestCase):
"""Tests an assembly composed of objects"""
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))
def test_paraboloid1(self):
"""Tests a paraboloid"""
self.engine = TracerEngine(self.assembly)
params = self.engine.ray_tracer(self._bund, 1, .05)[0]
correct_params = N.c_[[0, 0, 0], [0, 0.618033989, 0.381966011]]
N.testing.assert_array_almost_equal(params, correct_params)
def test_intersect_ray2(self):
rot = general_axis_rotation([1, 0, 0], N.pi / 4)
surface = Surface(FlatGeometryManager(),
opt.perfect_mirror,
rotation=rot)
assembly = Assembly()
object = AssembledObject()
object.add_surface(surface)
assembly.add_object(object)
engine = TracerEngine(assembly)
surfaces = assembly.get_surfaces()
objects = assembly.get_objects()
surfs_per_obj = [len(obj.get_surfaces()) for obj in objects]
surf_ownership = N.repeat(N.arange(len(objects)), surfs_per_obj)
ray_ownership = -1 * N.ones(self._bund.get_num_rays())
surfs_relevancy = N.ones((len(surfaces), self._bund.get_num_rays()),
dtype=N.bool)
params = engine.intersect_ray(self._bund, surfaces, objects, \
surf_ownership, ray_ownership, surfs_relevancy)[0]
correct_params = N.array([[False, True, False]])
N.testing.assert_array_almost_equal(params, correct_params)
def setUp(self):
absorptive = Surface(RectPlateGM(1., 1.),
opt.Reflective(1.),
location=N.r_[0.5, 0., 1.])
reflective = Surface(RectPlateGM(1., 1.),
opt.Reflective(0.),
location=N.r_[-0.5, 0., 1.])
self.assembly = Assembly(
objects=[AssembledObject(surfs=[absorptive, reflective])])
# 4 rays: two toward absorptive, two toward reflective.
pos = N.zeros((3, 4))
pos[0] = N.r_[0.5, 0.25, -0.25, -0.5]
direct = N.zeros((3, 4))
direct[2] = 1.
self.bund = RayBundle(pos, direct, energy=N.ones(4))
def setUp(self):
self.assembly = Assembly()
surface1 = Surface(HemisphereGM(3.), optics_callables.perfect_mirror,
location=N.array([0,0,-1.]),
rotation=general_axis_rotation(N.r_[1,0,0], N.pi))
surface2 = Surface(HemisphereGM(3.), optics_callables.perfect_mirror,
location=N.array([0,0,1.]))
self.object = AssembledObject()
self.object.add_surface(surface1)
self.object.add_surface(surface2)
self.assembly.add_object(self.object)
dir = N.c_[[0,0,1.],[0,0,1.]]
position = N.c_[[0,0,-3.],[0,0,-1.]]
self._bund = RayBundle(position, dir, energy=N.ones(2))
def setUp(self):
self.assembly = Assembly()
surface1 = Surface(flat_surface.FlatGeometryManager(),
optics_callables.RefractiveHomogenous(1., 1.5),
location=N.array([0, 0, -1.]))
surface2 = Surface(flat_surface.FlatGeometryManager(),
optics_callables.RefractiveHomogenous(1.5, 1.),
location=N.array([0, 0, 1.]))
self.object = AssembledObject(surfs=[surface1, surface2])
self.assembly.add_object(self.object)
x = 1 / (math.sqrt(2))
dir = N.c_[[0, -x, x]]
position = N.c_[[0, 1, -2.]]
self._bund = RayBundle(position,
dir,
energy=N.r_[1.],
ref_index=N.r_[1.])
def two_sided_receiver(width, height, absorptivity=1., location=None):
"""
Constructs a receiver centred at a location and parallel to the xz plane
Arguments:
width - the extent along the x axis in the local frame.
height - the extent along the y axis in the local frame.
absorptivity - the ratio of energy incident on the reflective side that's
not reflected back.
Returns:
front - the receiving surface
obj - the AssembledObject containing both surfaces
"""
front = Surface(RectPlateGM(height, width),
ReflectiveReceiver(absorptivity),
location,
rotation=rotation_matrix(N.pi / 2.0, 0.0, 0.0))
obj = AssembledObject(surfs=[front])
return front, obj
def setUp(self):
surface1 = Surface(HemisphereGM(2.), opt.perfect_mirror,
rotation=general_axis_rotation(N.r_[1,0,0], N.pi/2.))
surface2 = Surface(HemisphereGM(2.), opt.perfect_mirror,
location=N.array([0,-2,0]),
rotation=general_axis_rotation(N.r_[1,0,0], -N.pi/2.))
self._bund = RayBundle()
self._bund.set_directions(N.c_[[0,1,0]])
self._bund.set_vertices(N.c_[[0,-1,0]])
self._bund.set_energy(N.r_[[1]])
self._bund.set_ref_index(N.r_[[1]])
assembly = Assembly()
object1 = AssembledObject()
object2 = AssembledObject()
object1.add_surface(surface1)
object2.add_surface(surface2)
assembly.add_object(object1)
assembly.add_object(object2)
self.engine = TracerEngine(assembly)
class TestObjectBuilding1(unittest.TestCase):
"""Tests an object composed of sphere surfaces"""
def setUp(self):
self.assembly = Assembly()
surface1 = Surface(HemisphereGM(3.),
optics_callables.perfect_mirror,
location=N.array([0, 0, -1.]),
rotation=general_axis_rotation(N.r_[1, 0, 0], N.pi))
surface2 = Surface(HemisphereGM(3.),
optics_callables.perfect_mirror,
location=N.array([0, 0, 1.]))
self.object = AssembledObject()
self.object.add_surface(surface1)
self.object.add_surface(surface2)
self.assembly.add_object(self.object)
dir = N.c_[[0, 0, 1.], [0, 0, 1.]]
position = N.c_[[0, 0, -3.], [0, 0, -1.]]
self._bund = RayBundle(position, dir, energy=N.ones(2))
def test_object(self):
"""Tests that the assembly heirarchy works at a basic level"""
self.engine = TracerEngine(self.assembly)
inters = self.engine.ray_tracer(self._bund, 1, .05)[0]
correct_inters = N.c_[[0, 0, 2], [0, 0, -2]]
N.testing.assert_array_almost_equal(inters, correct_inters)
def test_translation(self):
"""Tests an assembly that has been translated"""
trans = N.array([[1, 0, 0, 0], [0, 1, 0, 0], [0, 0, 1, 1],
[0, 0, 0, 1]])
self.assembly.transform_children(trans)
self.engine = TracerEngine(self.assembly)
params = self.engine.ray_tracer(self._bund, 1, .05)[0]
correct_params = N.c_[[0, 0, 3], [0, 0, -1]]
N.testing.assert_array_almost_equal(params, correct_params)
def test_rotation_and_translation(self):
"""Tests an assembly that has been translated and rotated"""
self._bund = RayBundle()
self._bund.set_vertices(N.c_[[0, -5, 1], [0, 5, 1]])
self._bund.set_directions(N.c_[[0, 1, 0], [0, 1, 0]])
self._bund.set_energy(N.r_[[1, 1]])
self._bund.set_ref_index(N.r_[[1, 1]])
trans = generate_transform(N.r_[[1, 0, 0]], N.pi / 2, N.c_[[0, 0, 1]])
self.assembly.transform_children(trans)
self.engine = TracerEngine(self.assembly)
params = self.engine.ray_tracer(self._bund, 1, .05)[0]
correct_params = N.c_[[0, -2, 1]]
N.testing.assert_array_almost_equal(params, correct_params)
class TestNestedAssemblies(unittest.TestCase):
"""
Create an assembly within an assembly, with an object, and check that
all transformation activities are handled correctly.
"""
flat_only = True
def setUp(self):
self.eighth_circle_trans = generate_transform(N.r_[1., 0, 0], N.pi / 4,
N.c_[[0., 1, 0]])
self.surf = Surface(flat_surface.FlatGeometryManager(), \
optics_callables.perfect_mirror)
self.obj = AssembledObject(surfs=[self.surf])
self.sub_assembly = Assembly()
self.sub_assembly.add_object(self.obj, self.eighth_circle_trans)
self.assembly = Assembly()
self.assembly.add_assembly(self.sub_assembly, self.eighth_circle_trans)
def test_initial_transforms(self):
"""Initial consrtruction yielded correct permanent and temporary transforms"""
quarter_circle_trans = N.dot(self.eighth_circle_trans,
self.eighth_circle_trans)
# Surface transforms:
N.testing.assert_array_almost_equal(self.surf._transform, N.eye(4))
N.testing.assert_array_almost_equal(self.surf._temp_frame,
quarter_circle_trans)
# Object transform:
N.testing.assert_array_almost_equal(self.obj.get_transform(),
self.eighth_circle_trans)
# Subassembly transform:
N.testing.assert_array_almost_equal(self.sub_assembly.get_transform(),
self.eighth_circle_trans)
def test_retransform_object(self):
"""Changing an object's transform yield's correct resaults after retransform"""
self.obj.set_transform(N.eye(4))
self.assembly.transform_children()
# Surface transforms:
N.testing.assert_array_almost_equal(self.surf._transform, N.eye(4))
N.testing.assert_array_almost_equal(self.surf._temp_frame,
self.eighth_circle_trans)
# Object transform:
N.testing.assert_array_almost_equal(self.obj.get_transform(), N.eye(4))
# Subassembly transform:
N.testing.assert_array_almost_equal(self.sub_assembly.get_transform(),
self.eighth_circle_trans)
def test_retransform_subassembly(self):
"""Changing an assembly's transform yield's correct resaults after retransform"""
self.sub_assembly.set_transform(N.eye(4))
self.assembly.transform_children()
# Surface transforms:
N.testing.assert_array_almost_equal(self.surf._transform, N.eye(4))
N.testing.assert_array_almost_equal(self.surf._temp_frame,
self.eighth_circle_trans)
# Object transform:
N.testing.assert_array_almost_equal(self.obj.get_transform(),
self.eighth_circle_trans)
# Subassembly transform:
N.testing.assert_array_almost_equal(self.sub_assembly.get_transform(),
N.eye(4))
def test_interface(self):
"""Can call getters on an assembly etc."""
subs = self.assembly.get_assemblies()
self.assertEqual(len(subs), 1)
self.assertTrue(subs[0] is self.sub_assembly)
class TestNestedAssemblies(unittest.TestCase):
"""
Create an assembly within an assembly, with an object, and check that
all transformation activities are handled correctly.
"""
flat_only = True
def setUp(self):
self.eighth_circle_trans = generate_transform(N.r_[1., 0, 0], N.pi/4,
N.c_[[0., 1, 0]])
self.surf = Surface(flat_surface.FlatGeometryManager(), \
optics_callables.perfect_mirror)
self.obj = AssembledObject(surfs=[self.surf])
self.sub_assembly = Assembly()
self.sub_assembly.add_object(self.obj, self.eighth_circle_trans)
self.assembly = Assembly()
self.assembly.add_assembly(self.sub_assembly, self.eighth_circle_trans)
def test_initial_transforms(self):
"""Initial consrtruction yielded correct permanent and temporary transforms"""
quarter_circle_trans = N.dot(self.eighth_circle_trans, self.eighth_circle_trans)
# Surface transforms:
N.testing.assert_array_almost_equal(self.surf._transform, N.eye(4))
N.testing.assert_array_almost_equal(self.surf._temp_frame, quarter_circle_trans)
# Object transform:
N.testing.assert_array_almost_equal(self.obj.get_transform(),
self.eighth_circle_trans)
# Subassembly transform:
N.testing.assert_array_almost_equal(self.sub_assembly.get_transform(),
self.eighth_circle_trans)
def test_retransform_object(self):
"""Changing an object's transform yield's correct resaults after retransform"""
self.obj.set_transform(N.eye(4))
self.assembly.transform_children()
# Surface transforms:
N.testing.assert_array_almost_equal(self.surf._transform, N.eye(4))
N.testing.assert_array_almost_equal(self.surf._temp_frame,
self.eighth_circle_trans)
# Object transform:
N.testing.assert_array_almost_equal(self.obj.get_transform(),
N.eye(4))
# Subassembly transform:
N.testing.assert_array_almost_equal(self.sub_assembly.get_transform(),
self.eighth_circle_trans)
def test_retransform_subassembly(self):
"""Changing an assembly's transform yield's correct resaults after retransform"""
self.sub_assembly.set_transform(N.eye(4))
self.assembly.transform_children()
# Surface transforms:
N.testing.assert_array_almost_equal(self.surf._transform, N.eye(4))
N.testing.assert_array_almost_equal(self.surf._temp_frame,
self.eighth_circle_trans)
# Object transform:
N.testing.assert_array_almost_equal(self.obj.get_transform(),
self.eighth_circle_trans)
# Subassembly transform:
N.testing.assert_array_almost_equal(self.sub_assembly.get_transform(),
N.eye(4))
def test_interface(self):
"""Can call getters on an assembly etc."""
subs = self.assembly.get_assemblies()
self.assertEqual(len(subs), 1)
self.assertTrue(subs[0] is self.sub_assembly)
