在ros2 中,输入命令行ros2 interface show sensor_msgs/msg/CameraInfo可以查看 sensor_msgs/msg/CameraInfo 的具体内容及解释: # This message defines meta information for a camera. It should be in a# camera namespace on topic "camera_info" and accompanied by up to five# image topics named:## ...
ros中sensor_msgs/PointCloud2点云类型格式 首先给出该类型包含的字段 std_msgs/Header header #ros标头,包含了时间戳、frame_id等信息 uint32seq time stamp stringframe_id uint32height #高度,表示设备具有的垂直通道数量 uint32width #宽度,表示每个垂直通道的点数 sensor_msgs/PointField[] fields #类似C++中...
ROS2机器人Gazebo是一个专门为机器人应用开发的三维模拟器，它可以帮助机器人开发人员更快、更容易地设计...
("image_pool",10);ros::Rateloop_rate(2);while(ros::ok()){// transform cv::Mat to built-in msgsensor_msgs::ImagePtrmsg=cv_bridge::CvImage(std_msgs::Header(),"bgr8",img).toImageMsg();pub.publish(msg);cv::Matresume_img=cv_bridge::toCvShare(msg,"bgr8")->image;printf("...
3importsysimportarrayfromPILimportImagefromPILimportImageOpsdefimgmsg_to_pil(img_msg,rgba=True):#ROS压缩图像格式转换为pil图像格式try:ifimg_msg._type=='sensor_msgs/CompressedImage':pil_img=Image.open(BytesIO(img_msg.data))#python3#pil_img=Image.open(StringIO(img_msg.data))#python2ifpil_...
unknown package [sensor_msgs] onsearch path [{{‘ros_to_deepstream’: 这个sensor_msgs是个通用公共的消息,你的工程CMakeFiles没有添加相应语句。 解决办法 在find_package里添加sensor_msgs find_package(catkinREQUIREDCOMPONENTS rospy std_msgs sensor_msgs ...
processing takes too long. The transform timeout for the filter is set by default to0.5s which should be plentyhttps://github.com/SteveMacenski/slam_toolbox/blob/ros2/src/slam_toolbox_common.cpp#L159if you're saying you only have a 50ms delay. Maybe something isn't resolving there ...
是指在ROS(机器人操作系统)中,通过订阅sensor_msgs/Image和sensor_msgs/CameraInfo消息格式来获取图像和相机信息。 sensor_msgs/Image消息格式是...
最近由于项目要用到ROS自定义的msg,msg中就包括图像信息,但是ROS下面好像没办法直接定义sensor_msgs/ImagePtr,而是sensor_msgs/Image。然而在从Mat格式转到ROS下的图像格式时,一般都是ImagePtr,这样在发布信息的时候就需要一次转换啦,其实也很简单!～ sensor_msgs::ImagePtr msg= cv_bridge::CvImage(std_msgs::Hea...