# Correspondent Point Calculations

**URL:** <https://discourse.slicer.org/t/correspondent-point-calculations/19872>\
**Category:** SlicerSALT\
**Created:** [September 26, 2021, 4:32pm UTC](https://discourse.slicer.org/t/correspondent-point-calculations/19872 "2021-09-26T16:32:57Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Daniel1](https://avatars.discourse-cdn.com/v4/letter/d/b19c9b/32.png) [@Daniel1](https://discourse.slicer.org/u/Daniel1)\
**Post date:** [September 26, 2021, 4:32pm UTC](https://discourse.slicer.org/t/correspondent-point-calculations/19872/1 "2021-09-26T16:32:57Z")

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Hey guys,

I’ve got two models.

They have been registered on 3D Slicer with CMFReg.

A SPHARM mesh has been generated for each using SlicerSalt. So far so good.

How do I go about automatically identifying corresponding points or regions on the two models? Pick n Paint module on 3D Slicer has the “Propagation” option which looks promising, but I click it and it does nothing.

Any advice or guide in the right direction will be much appreciated.

Thank you

Dan