13. Turtlesim Comms: List Topics

Turtlesim Comms: List Topics

Turtlesim Comms: List Topics

Listing All Topics

In a similar fashion, we are able to query the ROS Master for a list of all topics. To do so, we use the command rostopic list .

  • /rosout_agg : Aggregated feed of messages published to /rosout.
  • /turtle1/cmd_vel : Topic on which velocity commands are sent/received. Publishing a velocity message to this topic will command turtle1 to move.
  • /turtle1/color_sensor : Each turtle in turtlesim is equipped with a color sensor, and readings from the sensor are published to this topic.
  • /turtle1/pose : The position and orientation of turtle1 are published to this topic.

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