def _scene(self):
'''
A cached version of the pyembree scene.
'''
scene = rtcore_scene.EmbreeScene()
mesh = TriangleMesh(scene, self._geometry.triangles)
return scene
def _scene(self):
"""
A cached version of the pyembree scene.
"""
scene = rtcore_scene.EmbreeScene()
mesh = TriangleMesh(scene=scene,
vertices=self.mesh.vertices.astype(_embree_dtype),
indices=self.mesh.faces.astype(_embree_dtype))
return scene
def __init__(self, vertices, faces, scale):
scaled = np.asanyarray(vertices, dtype=np.float64)
self.origin = scaled.min(axis=0)
self.scale = float(scale)
scaled = (scaled - self.origin) * self.scale
self.scene = rtcore_scene.EmbreeScene()
mesh = TriangleMesh(scene=self.scene,
vertices=scaled.astype(_embree_dtype),
indices=faces.astype(np.int32))
def __init__(self, vertices, faces, scale):
scaled = np.array(vertices, dtype=np.float64)
self.origin = scaled.min(axis=0)
self.scale = float(scale)
scaled = (scaled - self.origin) * self.scale
self.scene = rtcore_scene.EmbreeScene()
# assign the geometry to the scene
TriangleMesh(scene=self.scene,
vertices=scaled.astype(_embree_dtype),
indices=faces.view(np.ndarray).astype(np.int32))
def setUp(self):
"""Initialisation"""
triangles = xplane(7.0)
triangles = np.array(triangles, 'float32')
self.embreeDevice = rtc.EmbreeDevice()
self.scene = rtcs.EmbreeScene(self.embreeDevice)
mesh = TriangleMesh(self.scene, triangles)
origins, dirs = define_rays_origins_and_directions()
self.origins = origins
self.dirs = dirs
def setUp(self):
"""Initialisation"""
points = xplane_only_points(7.0)
points = np.array(points, 'float32')
indices = np.array([[0, 1, 2], [1, 3, 2]], 'uint32')
self.embreeDevice = rtc.EmbreeDevice()
self.scene = rtcs.EmbreeScene(self.embreeDevice)
mesh = TriangleMesh(self.scene, points, indices)
origins, dirs = define_rays_origins_and_directions()
self.origins = origins
self.dirs = dirs
N = (4 * 256)**2
R = 3
sigmas = [0.5, 2.0, 4.0]
def xplane(x):
return [[[x, -1.0, -1.0], [x, -1.0, 1.0], [x, 1.0, -1.0]],
[[x, -1.0, 1.0], [x, 1.0, -1.0], [x, 1.0, 1.0]]]
triangles = xplane(0.0) + xplane(1.0) + xplane(2.0) + xplane(3.0)
triangles = np.array(triangles, 'float32')
scene = rtcs.EmbreeScene()
mesh = TriangleMesh(scene, triangles)
xgrid = np.linspace(0.0, 3.0, 100)
tally = np.zeros(len(xgrid), dtype=int)
origins = np.zeros((N, 3), dtype='float64')
origins[:, 0] += 1e-8
dirs = np.zeros((N, 3))
dirs[:, 0] = 1.0
maxdist = np.empty(N, dtype='float32')
exists = np.arange(N)
def transport_region(r, origins, maxdist, exist):
n = len(origins)
u = np.random.random(n)
def add_component(self, component):
self.components = self.components + [component
] # Force traitlet update
self.meshes.append(TriangleMesh(self.embree_scene,
component.triangles))
def _scene(self):
# set up the embree scene
scene = rtcore_scene.EmbreeScene()
mesh = TriangleMesh(scene, self._geometry.triangles)
return scene