def run(self):
"""
:return: Point of interest in the scene. Type: mathutils.Vector.
"""
# For every selected object in the scene
selected_objects = MeshObject.convert_to_meshes(
self.config.get_list("selector", get_all_blender_mesh_objects()))
if len(selected_objects) == 0:
raise Exception("No objects were selected!")
return MeshObject.compute_poi(selected_objects)
parser.add_argument('output_dir', nargs='?', default="examples/basics/camera_sampling/output", help="Path to where the final files, will be saved")
args = parser.parse_args()
Initializer.init()
# load the objects into the scene
objs = ObjectLoader.load(args.scene)
# define a light and set its location and energy level
light = Light()
light.set_type("POINT")
light.set_location([5, -5, 5])
light.set_energy(1000)
# Find point of interest, all cam poses should look towards it
poi = MeshObject.compute_poi(objs)
# Sample five camera poses
for i in range(5):
# Sample random camera location above objects
location = np.random.uniform([-10, -10, 12], [10, 10, 8])
# Compute rotation based on vector going from location towards poi
rotation_matrix = CameraUtility.rotation_from_forward_vec(poi - location, inplane_rot=np.random.uniform(-0.7854, 0.7854))
# Add homog cam pose based on location an rotation
cam2world_matrix = MathUtility.build_transformation_mat(location, rotation_matrix)
CameraUtility.add_camera_pose(cam2world_matrix)
# activate normal and distance rendering
RendererUtility.enable_normals_output()
RendererUtility.enable_distance_output()
# set the amount of samples, which should be used for the color rendering
RendererUtility.set_samples(350)
