Functions
record_voxel_grids(voxel_grids, filename[, ...])
record_voxel_grids
show_mesh(vertices, faces[, color, colors, ...])
show_mesh
show_voxel_grid(voxel_grid[, color, ...])
show_voxel_grid
show_vtk_poly_data(vtk_poly_data[, color, ...])
show_vtk_poly_data