ERROR: cannot launch node of type [robot_vision/motion_detector.py]: can't locate node [motion_detector.py] in package [robot_vision] 报错原因: 权限不够!需要把xxx.py改成可执行文件权限。
ERROR: cannot launch node of type [robot_vision/motion_detector.py]: can't locate node [motion_detector.py] in package [robot_vision]
解决方法 找到该python文件,右键属性 最后一行允许作为程序执行文件