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
. <YOUR_ROS2_WORKSPACE>
ros2 run ros1_bridge dynamic_bridge
Terminal C:
. /opt/ros/kinetic/setup.bash
rosrun rviz rviz
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