Content(Connect to ROS)
1. ROS Overview
2. Choose ROS/Gazebo version
3. Install Gazebo_ros_pkgs
4. Roslaunch
5. URDF in Gazebo
6. Gazebo Plugin in ROS
7. ROS control
8. ROS Communication
9. ROS Plugin
10. Advanced ROS integration
11. More and more
http://gazebosim.org/tutorials?cat=connect_ros