s534435877的博客

1. Publisherimport numpy as npimport cv2import rospyfrom sensor_msgs.msg import Imagefrom std_msgs.msg import Headerdef ros_img_pub(video_path, ros_img, header): rospy.init_node('img_pub', anonymous=True) pub_ = rospy.Publisher("/front_came

跑通了记录一下1. ros多机通讯设置主机分机在同一个网段下主机：ubuntu16.04username： zlzkip: 192.168.8.158分机ubuntu18.04username：Xavierip: 192.168.8.168修改 /etc/hostssudo gedit /etc/hosts主机添加：192.168.8.158 Xavier分机添加：192.168.8.168 zlzk通讯测试，ping对方的用户名：ping zlzk， ping

1. Unable to correct problems, you have held broken packages安装步骤到下面一步时sudo apt-get install ros-kinetic-desktop-fullDepends: ros-kinetic-common-tutorials but it is not going to be installed Depends: ros-kinetic-geometry-tutorials but it is not goin