# Choosing control points for an elastix registration

**URL:** <https://discourse.slicer.org/t/choosing-control-points-for-an-elastix-registration/42758>\
**Category:** Support\
**Created:** [May 1, 2025, 11:00am UTC](https://discourse.slicer.org/t/choosing-control-points-for-an-elastix-registration/42758 "2025-05-01T11:00:42Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![ABirch](https://avatars.discourse-cdn.com/v4/letter/a/e274bd/32.png) [@ABirch](https://discourse.slicer.org/u/ABirch)\
**Post date:** [May 1, 2025, 11:00am UTC](https://discourse.slicer.org/t/choosing-control-points-for-an-elastix-registration/42758/1 "2025-05-01T11:00:43Z")

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Greetings,  
I am looking for a way to pick the exact location of control points for an elastix b-spline registration by inserting the coordinates of the control points. Is there a way to do this in slicer?

Thanks,  
Andrew