Before revision: After the creation, the layered costmaps will be continuously updated based on the information provided by the sensors, and the navigation algorithm will drive the robot to reach the destination without collision based on the information provided by the layered costmaps
After revision: .After the creation, the layered costmaps will be continuously updated based on the information provided by the sensors, and the navigation algorithm will drive the robot to reach the destination without collision based on the information provided by the layered costmaps