# How could I measure the mandibular condyle rotation using 3D Slicer?

**URL:** <https://discourse.slicer.org/t/how-could-i-measure-the-mandibular-condyle-rotation-using-3d-slicer/24041>\
**Category:** Support\
**Tags:** cmf\
**Created:** [June 25, 2022, 8:09am UTC](https://discourse.slicer.org/t/how-could-i-measure-the-mandibular-condyle-rotation-using-3d-slicer/24041 "2022-06-25T08:09:43Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![pieper](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/pieper/32/8_2.png) [@pieper](https://discourse.slicer.org/u/pieper)\
**Post date:** [June 25, 2022, 4:24pm UTC](https://discourse.slicer.org/t/how-could-i-measure-the-mandibular-condyle-rotation-using-3d-slicer/24041/2 "2022-06-25T16:24:40Z")

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> [@Moh\_d\_Al-Watary](#):
>
> appear in a different direction (flipped left to right or upside down)

Probably you have an issue with the coordinate system conventions. You can read up on RAS and LPS in the forum: [Search results for 'lps ras' - 3D Slicer Community](https://discourse.slicer.org/search?q=lps%20ras)

You can change options when loading if needed:

![image](https://us1.discourse-cdn.com/flex002/uploads/slicer/original/3X/b/d/bd4f47b3d321df30bd81e26aa468699d984b3fba.png)

The SlicerCMF team might be able to comment on your other questions.

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