roslaunch
roslaunch is a tool in the Robot Operating System (ROS) that starts and configures multiple ROS nodes as a single operation, using declarative launch files. A launch file is an XML document that describes a set of nodes, parameters, topic remappings, and other resources required to run an application. By orchestrating the startup and shutdown of many nodes, roslaunch provides a reproducible and modular way to deploy ROS-based systems.
Launch files contain elements such as node, param, remap, arg, include, group, and machine. The node element
Typical usage is roslaunch package name.launch or roslaunch package file.launch. roslaunch will start roscore if it
roslaunch is part of ROS 1 and remains a core tool for coordinating complex systems, especially in