ros2 run ros_gz_bridge parameter_bridge /cmd_vel@geometry_msgs/msg/Twist@gz.msgs.Twist /odom@nav_msgs/msg/Odometry@gz.msgs.Odometry
python3 straight_line.py
export IGN_GAZEBO_RESOURCE_PATH=$IGN_GAZEBO_RESOURCE_PATH:~/sinking/install/grp1robo/share ros2 launch grp1robo ignition.launch.py
source install/setup.bash export IGN_GAZEBO_RESOURCE_PATH=$IGN_GAZEBO_RESOURCE_PATH:~/sinking/install/grp1robo/share ros2 launch grp1robo ignition.launch.py