To interact and get information about topics, we have the rostopic tool. This tool accepts the following parameters:
- rostopic bw TOPIC: This displays the bandwidth used by topics
- rostopic echo TOPIC: This prints messages to the screen
- rostopic find TOPIC: This finds topics by their type
- rostopic hz TOPIC: This displays the publishing rate of topics
- rostopic info TOPIC: This prints information about active topics
- rostopic list: This lists the active topics
- rostopic pubs TOPIC: This publishes data to the topic
- rostopic type TOPIC: This prints the topic type
If you want to see more information on these parameters, use -h, as follows:
$ rostopic bw -h
With the pub parameter, we can publish topics that ...
