Function _create_reduced_point_cloud

Create reduced point clouds for given info. Args: data_path (str): Path of original data. info_path (str): Path of data info. save_path (str | None): Path to save reduced point cloud data. Default: None. back (bool): Whether to flip the points to back

(data_path,
                                info_path,
                                save_path=None,
                                back=False,
                                num_features=4,
                                front_camera_id=2)