# How to obtain the same SlicerElastix registration result outside 3DSlicer?

**URL:** https://discourse.slicer.org/t/how-to-obtain-the-same-slicerelastix-registration-result-outside-3dslicer/42396
**Category:** Support
**Created:** [April 1, 2025, 1:22pm UTC](https://discourse.slicer.org/t/how-to-obtain-the-same-slicerelastix-registration-result-outside-3dslicer/42396 "2025-04-01T13:22:54Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![lmariani](https://avatars.discourse-cdn.com/v4/letter/l/958977/32.png) [@lmariani](https://discourse.slicer.org/u/lmariani)
#### Post date: [April 1, 2025, 1:22pm UTC](https://discourse.slicer.org/t/how-to-obtain-the-same-slicerelastix-registration-result-outside-3dslicer/42396/1 "2025-04-01T13:22:54Z")

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OS: Windows 11  
Slicer version: 5.9.0

When I perform a transformation using SlicerElastix I get a different result than the one I get using other Elastix libraries external to 3D Slicer. I tried to load the same parameter configuration txt files but the differences persist. The recording via SlicerElastix is ​​clearly better and I would like to achieve the same result automatically via external python scripts from the 3D Slicer GUI.