useful command to build and launch

• source ROS 2 (source /opt/ros/eloquent/setup.bash)
• navigate your ws (cd ~/AUV_ws)
• build ws packages (colcon build --packages-select )or (colcon build)to build all packages at once
• source the workspace (. install/setup.bash)
• launch the launch file (ros2 launch gate_detection gate_detection.launch.py)

Note

• the defualt client request here is the image path '/home/fatma/AUV_ws/src/frame112.jpg'
• to run the client node with your image path request:
• open two terminals then source the workspace at each one (. install/setup.bash)
• at the first terminal run service node (ros2 run gate_detection service)
• then in the second terminal to run client node (ros2 run gate_detection client <img_path>)