model://ground_plane model://sun model://pioneer2dx model://hokuyo 0.2 0 .38 0 0 0 model://camera 0.2 0 .3 0 0 0 pioneer2dx::pioneer2dx::chassis pioneer2dx::camera::link 0 0 1 0 0 pioneer2dx::pioneer2dx::chassis pioneer2dx::hokuyo::link 0 0 1 0 0