rnd_idx[0] = (0, 1, 2)
triangles = np.take_along_axis(triangles, rnd_idx, axis=1)
mesh.triangles = o3d.utility.Vector3iVector(triangles)
o3d.visualization.draw_geometries([mesh])
sucess = mesh.orient_triangles()
print('%s orientated: %s' % (name, 'yes' if sucess else 'no'))
o3d.visualization.draw_geometries([mesh])
# intersection tests
print('#' * 80)
print('Intersection tests')
print('#' * 80)
np.random.seed(30)
bbox = o3d.geometry.create_mesh_box(20, 20, 20).translate((-10, -10, -10))
meshes = [o3d.geometry.create_mesh_box() for _ in range(20)]
meshes.append(o3d.geometry.create_mesh_sphere())
meshes.append(o3d.geometry.create_mesh_cone())
meshes.append(o3d.geometry.create_mesh_torus())
dirs = [np.random.uniform(-0.1, 0.1, size=(3, )) for _ in meshes]
for mesh in meshes:
mesh.compute_vertex_normals()
mesh.paint_uniform_color((0.5, 0.5, 0.5))
mesh.translate(np.random.uniform(-7.5, 7.5, size=(3, )))
vis = o3d.visualization.Visualizer()
vis.create_window()
for mesh in meshes:
vis.add_geometry(mesh)
for iter in range(1000):
for mesh, dir in zip(meshes, dirs):
mesh.paint_uniform_color((0.5, 0.5, 0.5))
mesh.translate(dir)
triangles = np.take_along_axis(triangles, rnd_idx, axis=1)
mesh.triangles = o3d.utility.Vector3iVector(triangles)
o3d.visualization.draw_geometries([mesh])
sucess = mesh.orient_triangles()
print('%s orientated: %s' % (name, 'yes' if sucess else 'no'))
o3d.visualization.draw_geometries([mesh])
# intersection tests
print('#' * 80)
print('Intersection tests')
print('#' * 80)
np.random.seed(30)
bbox = o3d.geometry.TriangleMesh.create_box(20, 20, 20).translate(
(-10, -10, -10))
meshes = [o3d.geometry.TriangleMesh.create_box() for _ in range(20)]
meshes.append(o3d.geometry.TriangleMesh.create_sphere())
meshes.append(o3d.geometry.TriangleMesh.create_cone())
meshes.append(o3d.geometry.TriangleMesh.create_torus())
dirs = [np.random.uniform(-0.1, 0.1, size=(3,)) for _ in meshes]
for mesh in meshes:
mesh.compute_vertex_normals()
mesh.paint_uniform_color((0.5, 0.5, 0.5))
mesh.translate(np.random.uniform(-7.5, 7.5, size=(3,)))
vis = o3d.visualization.Visualizer()
vis.create_window()
for mesh in meshes:
vis.add_geometry(mesh)
for iter in range(1000):
for mesh, dir in zip(meshes, dirs):
mesh.paint_uniform_color((0.5, 0.5, 0.5))
mesh.translate(dir)