ipa-lth
commented
3 months ago The underscore feature is actually intended, however not bug free as you mentioned. At some point in time, pitasc would automatically create temporary (_...) frames in order to work as expected. That was separated from tf a while ago, that actually creating a tf frame is not necessary anymore. Idk, if at least initially defining these frames is needed to make the visualization (option somewhere) work. Nevertheless, being able to see temp-frames in rviz was useful..
About your suggestion, I would prefer the latter. But the first is probably sufficient.
Von: Balázs András Bálint @.> Gesendet: Freitag, 5. Juli 2024 12:16 An: ipa320/rqt_frame_editor_plugin @.> Cc: Subscribed @.***> Betreff: [ipa320/rqt_frame_editor_plugin] Potential feature: temporary frames (Issue #36)
If you name a frame to something that start with an underscore, e.g., _my_frame, it will not be exported to the YAML config file, but will still be set in TF and appear in the frame list on the left in the frame editor.
Now,
- this can result in broken config files if I manually set a parent frame to, following the example, _my_frame,
- though I have to type the full frame name in this case as it is not suggested by the editor for auto-completion.
- Also, _my_frame does not appear in the editor on the right, so I can not use the editor for changing parent frames to it, which I suppose is good
- Such "temporary" frames could be useful for, e.g., measuring relative transformations (that's what I used it for)
Should it be made into a feature? That would mean, at the very least either
- preventing the user from setting a "temporary" frame as parent at all, or
- preventing the user from setting a "temporary" frame as parent to a "non-temporary" frame
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If you name a frame to something that start with an underscore, e.g.,
_my_frame, it will not be exported to the YAML config file, but will still be set in TF and appear in the frame list on the left in the frame editor.Now,
_my_frame,_my_framedoes not appear in the editor on the right, so I can not use the editor for changing parent frames to it, which I suppose is goodShould it be made into a feature? That would mean, at the very least either