Hello, I followed the solution for Exercise 2.3. I could build the cartographer_slam.
However, when I run the cartographer.launch.py, it seemed there is no error but I could not see the rviz opened as running
ros2 launch turtlebot3_cartographer cartographer.launch.py
I am wondering what should I see if I run cartographer.launch.py.
Also, if I want to see the package turtlebot3_cartographer, how to access this package from the IDE?