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I do believe that by convention, you should just enter in the name of the frame, without the /. Heres a link to the tf tutorials where they also do not include the /

I do believe that by convention, you should just enter in the name of the frame, without the /. Heres a link to the tf tutorials where they also do not include the /

EDIT 1:

Answering your comment:

In the multi-robot case you would do it like this:

  • Robot1 : "robot1/odom" or "robot1/map"
  • Robot2 : "robot2/odom" or "robot2/map"

However, dont confuse frame ID's (like the ones above) with topic names which would be denoted with a / infront like this: /robot1/odom <--- Thats the format of the topic name

Hopefully this answers your question