# SlicerIGT pivot calibration

**URL:** <https://discourse.slicer.org/t/slicerigt-pivot-calibration/39881>\
**Category:** Support\
**Tags:** surgical-navigation\
**Created:** [October 27, 2024, 12:22pm UTC](https://discourse.slicer.org/t/slicerigt-pivot-calibration/39881 "2024-10-27T12:22:41Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![mayaambar](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/mayaambar/32/76746_2.png) [@mayaambar](https://discourse.slicer.org/u/mayaambar)\
**Post date:** [October 27, 2024, 12:22pm UTC](https://discourse.slicer.org/t/slicerigt-pivot-calibration/39881/1 "2024-10-27T12:22:41Z")

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Hello  
I’m trying to use the pivot and the spin caliberation in the igt model, at first it worked fine but now it stopped working, do you have any idea what am I doing wrong?  
I’m working with a needle model and a NDI aurora tracker via plus

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**Author:** ![lassoan](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/lassoan/32/13_2.png) [@lassoan](https://discourse.slicer.org/u/lassoan)\
**Post date:** [October 27, 2024, 5:43pm UTC](https://discourse.slicer.org/t/slicerigt-pivot-calibration/39881/2 "2024-10-27T17:43:03Z")

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Without more details, we can only guess.

My guess would be that the needle is already calibrated.

If you think that the problem is something else then please describe what you did, what you expected to happen, and what happened instead. Provide a screenshot of the transform tree (Data module, Transform hierarchy tab), a screenshot of the Pivot calibration module, and your Plus device set configuration file.

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**Author:** ![mayaambar](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/mayaambar/32/76746_2.png) [@mayaambar](https://discourse.slicer.org/u/mayaambar)\
**Post date:** [November 27, 2024, 9:46am UTC](https://discourse.slicer.org/t/slicerigt-pivot-calibration/39881/3 "2024-11-27T09:46:35Z")

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I managed to figure out what the problem was… thank you very much for your answer

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**Author:** ![cpinter](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/cpinter/32/7995_2.png) [@cpinter](https://discourse.slicer.org/u/cpinter)\
**Post date:** [November 27, 2024, 12:07pm UTC](https://discourse.slicer.org/t/slicerigt-pivot-calibration/39881/4 "2024-11-27T12:07:53Z")

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> [@mayaambar](#):
>
> I managed to figure out what the problem was

Can you tell the forum readers please so everyone can learn from it?