I think the closest things done related to planes is References are not preserved after imports · Issue #1010 · Slicer/Slicer · GitHub which was prior to markups refactor, but includes work for a vtkMRMLMarkupsPlanesNode.cxx.
Related topics
Topic | Replies | Views | Activity | |
---|---|---|---|---|
A user's proposal for Markups Module enhancements | 20 | 1672 | August 16, 2018 | |
New Annotation for Slicer - Splines and Planes | 6 | 997 | September 9, 2018 | |
Markups for angle, line and closed/open spline | 5 | 985 | January 11, 2019 | |
Fiducial Marker | 4 | 397 | September 2, 2022 | |
Markups plane: placement process is confusing | 1 | 78 | March 3, 2024 |