To interface with ROS educational center, launch IRL.launch file.
Connection with webcam is handled with ROS package usb_cam. Note that device port depends on the device and can be corrected by editing usb_cam.launch .
To change number of robots present modify IRL.launch, by adding or removing following block,
and by accordingly modifying rosparam robot_list.
To change number or starting position of robots modify gazebo_simulator.launch, by adding or removing following block,
and by accordingly modifying rosparam robot_list.
To run simulation in webots:
To modify number of robots modify webots_simulator.launch, by adding or removing following block,
by accordingly modifying rosparam robot_list,
and by modifying webots file::worlds/webots_world/worlds/world.wbt file. One must correctly set ar tag and name of robot in world.wbt. As of now webots simulation is experiencing stability issues.