def main():
rt = TkOptiX() # create and configure, show the window later
rt.set_param(max_accumulation_frames=500) # accumulate up to 100 frames
rt.set_uint("path_seg_range", 6, 12) # allow some more ray segments
rt.set_background(0) # black background
rt.set_ambient([0.1, 0.12, 0.15]) # some ambient light
#rt.set_param(light_shading="Hard") # nice, accurate caustics, but slower convergence
exposure = 1; gamma = 2.2
rt.set_float("tonemap_exposure", exposure)
rt.set_float("tonemap_gamma", gamma)
rt.add_postproc("Gamma") # gamma correction
# setup materials:
m_diffuse["VarFloat3"] = { "base_color": [ 0.85, 0.87, 0.89 ] }
rt.update_material("diffuse", m_diffuse)
m_dispersive_glass["VarFloat3"]["base_color"] = [ 100, 110, 120 ]
rt.setup_material("glass", m_dispersive_glass)
# read the scene:
scene = trimesh.load("data/chemistry.glb")
# upload meshes to the ray tracer
for name in scene.geometry:
mesh = scene.geometry[name]
if name in ["bottle", "cap", "testtube"]:
rt.set_mesh(name, mesh.vertices, mesh.faces, mat="glass", make_normals=True)
else:
rt.set_mesh(name, mesh.vertices, mesh.faces)
# camera and light
rt.setup_light("light1", pos=[6,7.5,-15], color=30, radius=2)
rt.setup_camera("cam1", eye=[-2,5,-10], target=[-0.75,1.4,5], fov=23, glock=True)
rt.start()
print("done")
def main():
rt = TkOptiX() # create and configure, show the window later
rt.set_param(max_accumulation_frames=100) # accumulate up to 100 frames
rt.set_background(0.99) # white background
rt.set_ambient(0.25) # some ambient light
# setup materials:
m_diffuse["VarFloat3"] = {"base_color": [0.15, 0.17, 0.2]}
rt.update_material("diffuse", m_diffuse)
m_matt_plastic["VarFloat3"]["base_color"] = [0.5, 0.1, 0.05]
rt.setup_material("plastic", m_matt_plastic)
rt.load_texture("wing", "data/wing.png")
m_transparent_plastic["ColorTextures"] = ["wing"]
rt.setup_material("transparent", m_transparent_plastic)
rt.load_normal_tilt("transparent", "data/wing.png", prescale=0.002)
# prepare dictionary and load meshes; note that both eyes and wings
# are assigned with single material by providing only a part of
# the mesh name:
materials = {"eye": "plastic", "wing": "transparent"}
rt.load_multiple_mesh_obj("data/fly.obj",
materials,
parent="head_Icosphere")
# camera and light position auto-fit the scene geometry
rt.setup_camera("cam1")
d = np.linalg.norm(rt.get_camera_target() - rt.get_camera_eye())
rt.setup_light("light1", color=10, radius=0.3 * d)
rt.start()
print("done")