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Answer by Martin Peris for I'm using odom as parent_id for base_link and...

No, it won't cause any issues, that is exactly how hierarchy trees work. Me myself am a father because I have children, but at the same time I am a child because I have a father. Same for the example...

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Comment by PeteBlackerThe3rd for I'm using odom as parent_id for base_link...

As long as your overall TF tree doesn't have any loops or multiple roots then this shouldn't be a problem at all.

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Comment by gvdhoorn for I'm using odom as parent_id for base_link and...

I would go even further: how would we ever create tree structures (or any linked structures) if frames can't be both parent and child?

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Can a frame be both parent_id and child_id?

I'm using odom as parent_id for base_link and child_frame_id for map tf in the respective launch files. Will it cause any issues in my tf tree?

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