# How to get a linear or affine transform from Elastix?

**URL:** <https://discourse.slicer.org/t/how-to-get-a-linear-or-affine-transform-from-elastix/25791>\
**Category:** Support\
**Tags:** elastix\
**Created:** [October 20, 2022, 2:40am UTC](https://discourse.slicer.org/t/how-to-get-a-linear-or-affine-transform-from-elastix/25791 "2022-10-20T02:40:34Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![tdchen](https://avatars.discourse-cdn.com/v4/letter/t/858c86/32.png) [@tdchen](https://discourse.slicer.org/u/tdchen)\
**Post date:** [October 20, 2022, 2:40am UTC](https://discourse.slicer.org/t/how-to-get-a-linear-or-affine-transform-from-elastix/25791/1 "2022-10-20T02:40:34Z")

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It works fine but always output a b-spline transform even I selected the generic rigid (all) preset.  
What else should be done?  
I use Slicer 5.0.3  
Thx.

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<div class="post-metadata">

**Author:** ![tdchen](https://avatars.discourse-cdn.com/v4/letter/t/858c86/32.png) [@tdchen](https://discourse.slicer.org/u/tdchen)\
**Post date:** [October 20, 2022, 5:22am UTC](https://discourse.slicer.org/t/how-to-get-a-linear-or-affine-transform-from-elastix/25791/2 "2022-10-20T05:22:51Z")

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Aha,I forced it into grid form!