After resolve the ros1_bridge issue, ros1_bridge output looks ok now. But I still can't see anything in rviz, /scan topic has nothing to show. do I miss something? I follow below steps launch `ros2 pkg prefix turtlebot2_cartographer`/share/turtlebot2_cartographer/launch/turtlebot_carto_2d.py Terminal A: . /opt/ros/kinetic/setup.bash roscore Terminal B: . /opt/ros/kinetic/setup.bash . ros2 run ros1_bridge dynamic_bridge Terminal C: . /opt/ros/kinetic/setup.bash rosrun rviz rviz --- [Visit Topic](https://discourse.ros.org/t/cartographer-and-navigation-workable-in-beta2/2074/12) or reply to this email to respond. If you do not want to receive messages from ros-users please use the unsubscribe link below. If you use the one above, you will stop all of ros-users from receiving updates. ______________________________________________________________________________ ros-users mailing list ros-users@lists.ros.org http://lists.ros.org/mailman/listinfo/ros-users Unsubscribe: