No Point Cloud Showed in Rviz

[sunstarchan]

I'm using Ubuntu 18.04 + ROS melodic, building process is correct. But when I'm running the project following the instructions, there is no point cloud showing in Rviz.

[Juuustin]

same question

[DarrenWong]

might be you can use rqt_graph to debug the topic if publish or receive

[Ginger-Light]

hello! Did you solve it?

[sirius112358]

same question

[wasdom]

same question