nothing appear with $rostopic echo cmd_vel

AlessioTonioni / Autonomous-Flight-ROS

A simple autopilot for a quadrotor realized using MoveIt!. The system use a simulated RGBD sensor to reconstruct the map, then ompl for path generation.

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nothing appear with $rostopic echo cmd_vel #2

Closed ghost closed 5 years ago

ghost commented 8 years ago

Hi, i was trying to testing this project. But when i enter $ $rostopic echo cmd_vel,nothing appear. Any body know why nothing appear? I am sure i have public cmd_vel.

AlessioTonioni commented 8 years ago

I think I will need more info to address your problem. Can you describe your set up and what are you trying to do?