The ROS Wiki is for ROS 1. Are you using ROS 2 (Humble, Iron, or Rolling)? Check out the ROS 2 Project DocumentationPackage specific documentation can be found on index.ros.org
A number of these messages have ROS stacks dedicated to manipulating them.
More information on how to use the sensor_msgs/LaserScan message can be found in the laser_pipeline stack.
More information on how to use the sensor_msgs/Image and sensor_msgs/CameraInfo messages can be found in the image_pipeline stack.
The sensor_msgs/JointState message is published by joint_state_controller, and received by robot_state_publisher (which combines the joint information with urdf to publish a robot's tf tree).
The sensor_filters package provides easy-to-setup nodes and nodelets for running filters on the sensor data.
Wiki: sensor_msgs (last edited 2022-02-04 07:13:46 by Martin Pecka)