消息类型: 1. Twist - 线速度角速度 通常被用于发送到/cmd_vel话题,被base controller节点监听,控制机器人运动 geometry_msgs/Twist geometry_msgs/Vector3 linear float64 x float64 y float64 z geometry_msgs/Vector3 angular float64 x float64 y float64 z linear.x指向机器人前方,linear.y指向左方,linear.z垂直
消息结构说明nav_msgs/Path.msg结构#An array of poses that represents a Path for a robot to followHeader headergeometry_msgs/PoseStamped[] poses123geometry_msgs/PoseStamped.msg结构# A Pose with reference coordinate frame and timestampHeader headerPose pose123geo