ROS_C++_Other

Convert PCD files to sensor_msgs :: PointCloud2 and publish topics

Key C++ code:

ros::Publisher cloud_pub=nh.advertise("lidar_cloud",1);

pcl::PointCloud cloud;

sensor_msgs::PointCloud2 output;

pcl::io::loadPCDFile("/home/a/pcd/1.pcd",cloud)…

ROS bag package data playback, extract any topic data, and convert to txt file

First, record the topic message through the bag file

When the node that publishes the topic is running, you can list the currently…

Two or three images in Markdown are displayed side by side

When I recently wrote an article, I found that inserting some very long images in markdown would look bad, so I went to check out how to achieve side-by-side display of images in markdown. The method is as follows:

Infrared method for automatic recharge of ROS2 robot (with source code schematic diagram)

Robot automatic charging, looking for base, lidar point cloud specific shape recognition ( ROS python Code )

ARM and x86, The easiest way to cross-compile ROS projects and the full experience of stepping on pits, tested can run simple and complex ROS projects on Jetson Xavier NX and RT3588

Sigle file for Lidar and camera external parameter calibration (with open3d python code)

Windows system access DJI Livox lidar SDK

The official SDK of DJI is rather lazy. It only wrote a general outline in the part of…

Python reads DJI livox LVX data and displays

The LVX file is parsed according to DJI’s protocol and displayed with open3d. The LVX file is the Horizon radar data downloaded from DJI’s official website, and other radar data should also be parsed.