# Trajectory calculation for stereotaxic frames

**URL:** <https://discourse.slicer.org/t/trajectory-calculation-for-stereotaxic-frames/13963>\
**Category:** Support\
**Created:** [October 9, 2020, 8:18pm UTC](https://discourse.slicer.org/t/trajectory-calculation-for-stereotaxic-frames/13963 "2020-10-09T20:18:29Z")\
**Posts on this page:** 20\
**Page:** 2

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**Author:** ![Xestance](https://avatars.discourse-cdn.com/v4/letter/x/e480ec/32.png) [@Xestance](https://discourse.slicer.org/u/Xestance)\
**Post date:** [January 2, 2022, 6:36am UTC](https://discourse.slicer.org/t/trajectory-calculation-for-stereotaxic-frames/13963/21 "2022-01-02T06:36:35Z")

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Yes sir im interested in it.

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**Author:** ![Xestance](https://avatars.discourse-cdn.com/v4/letter/x/e480ec/32.png) [@Xestance](https://discourse.slicer.org/u/Xestance)\
**Post date:** [January 4, 2022, 5:55pm UTC](https://discourse.slicer.org/t/trajectory-calculation-for-stereotaxic-frames/13963/22 "2022-01-04T17:55:16Z")

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I have checked the documentation site it is very promising… and I hope to try the module. thanks a lot

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**Author:** ![Michele\_Bailo](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/michele_bailo/32/67234_2.png) [@Michele\_Bailo](https://discourse.slicer.org/u/Michele_Bailo)\
**Post date:** [January 8, 2022, 12:04pm UTC](https://discourse.slicer.org/t/trajectory-calculation-for-stereotaxic-frames/13963/23 "2022-01-08T12:04:50Z")

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Thanks for your efforts! I would incredibly interested too!  
As a neurosurgeon I routinely prepare preplanning using 3D Slicer first, but then I always have to export the trajectories as RTstructures (basically using a workaround) to import them again in the Leksell Surgiplan software and obtain the final stereotactic coordinates.

MB

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**Author:** ![JBeninca](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/jbeninca/32/10039_2.png) [@JBeninca](https://discourse.slicer.org/u/JBeninca)\
**Post date:** [January 23, 2022, 12:31am UTC](https://discourse.slicer.org/t/trajectory-calculation-for-stereotaxic-frames/13963/24 "2022-01-23T00:31:07Z")

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this is a simple video. Stereotaxia\_lite.  
you can use the “paciente,nrrd” sample.  
link : [https://youtu.be/g5YCd2nOIa0](https://youtu.be/g5YCd2nOIa0)

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**Author:** ![jfdoarias](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/jfdoarias/32/7538_2.png) [@jfdoarias](https://discourse.slicer.org/u/jfdoarias)\
**Post date:** [March 14, 2022, 12:34am UTC](https://discourse.slicer.org/t/trajectory-calculation-for-stereotaxic-frames/13963/25 "2022-03-14T00:34:53Z")

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Thanks a lot, great work, I would like to use this in my surgeries… Can I get this module?, this is a very useful module, thanks again.

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**Author:** ![JBeninca](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/jbeninca/32/10039_2.png) [@JBeninca](https://discourse.slicer.org/u/JBeninca)\
**Post date:** [April 1, 2022, 2:33pm UTC](https://discourse.slicer.org/t/trajectory-calculation-for-stereotaxic-frames/13963/26 "2022-04-01T14:33:31Z")

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hi. you can get ti from here:

> **[GitHub - JBeninca/SlicerStereotaxia: Slicer stereotatic frame 3D coordinates...](https://github.com/JBeninca/SlicerStereotaxia)**
>
> Slicer stereotatic frame 3D coordinates calculus.- - GitHub - JBeninca/SlicerStereotaxia: Slicer stereotatic frame 3D coordinates calculus.-

its free, it takes some time to understand and manage but works fine

we use actually in every stereotatic surgery in hospital. with the Micromar device

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**Author:** ![jfdoarias](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/jfdoarias/32/7538_2.png) [@jfdoarias](https://discourse.slicer.org/u/jfdoarias)\
**Post date:** [May 30, 2022, 7:30pm UTC](https://discourse.slicer.org/t/trajectory-calculation-for-stereotaxic-frames/13963/27 "2022-05-30T19:30:45Z")

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Thanks a lot!, I will try it!

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**Author:** ![Gonzalo\_Rojas\_Costa](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/gonzalo_rojas_costa/32/5259_2.png) [@Gonzalo\_Rojas\_Costa](https://discourse.slicer.org/u/Gonzalo_Rojas_Costa)\
**Post date:** [May 31, 2022, 7:55pm UTC](https://discourse.slicer.org/t/trajectory-calculation-for-stereotaxic-frames/13963/29 "2022-05-31T19:55:31Z")

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How can install JBeninca/SlicerStereotaxia in 3D Slicer?

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**Author:** ![JBeninca](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/jbeninca/32/10039_2.png) [@JBeninca](https://discourse.slicer.org/u/JBeninca)\
**Post date:** [June 3, 2022, 2:16pm UTC](https://discourse.slicer.org/t/trajectory-calculation-for-stereotaxic-frames/13963/30 "2022-06-03T14:16:33Z")

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to get the modules working you must:

1- download zip from [GitHub - JBeninca/SlicerStereotaxia: Slicer stereotatic frame 3D coordinates calculus.-](https://github.com/JBeninca/SlicerStereotaxia)

2 - unzip and move to: /where\_you\_want\_directory

3 - open 3DSlicer

4 - Edit-\> Applications settings → Modules → additional module path → Add

5 - select: /where\_you\_want\_directory

6 - restart 3DSlicer

7 - you will find the 2 new modules in “Stereotaxia”

there is a paciente.nrrd file for example.

have luck.-

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<div class="post-metadata">

**Author:** ![JBeninca](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/jbeninca/32/10039_2.png) [@JBeninca](https://discourse.slicer.org/u/JBeninca)\
**Post date:** [June 3, 2022, 7:57pm UTC](https://discourse.slicer.org/t/trajectory-calculation-for-stereotaxic-frames/13963/31 "2022-06-03T19:57:58Z")

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it´s not empty:

> **[GitHub - JBeninca/SlicerStereotaxia: Slicer stereotatic frame 3D coordinates...](https://github.com/JBeninca/SlicerStereotaxia)**
>
> Slicer stereotatic frame 3D coordinates calculus.- - GitHub - JBeninca/SlicerStereotaxia: Slicer stereotatic frame 3D coordinates calculus.-

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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:** [June 19, 2022, 3:09am UTC](https://discourse.slicer.org/t/trajectory-calculation-for-stereotaxic-frames/13963/32 "2022-06-19T03:09:47Z")

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@JBeninca Could we add this extension to the Extensions Manager so that users don’t need to go through the trouble of downloading, unzipping, editing settings, etc. but can install the extension using a single click?

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<div class="post-metadata">

**Author:** ![JBeninca](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/jbeninca/32/10039_2.png) [@JBeninca](https://discourse.slicer.org/u/JBeninca)\
**Post date:** [June 19, 2022, 8:59pm UTC](https://discourse.slicer.org/t/trajectory-calculation-for-stereotaxic-frames/13963/33 "2022-06-19T20:59:18Z")

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Yes, of course. I don t have the time to do that. Thanks

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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:** [June 22, 2022, 5:26pm UTC](https://discourse.slicer.org/t/trajectory-calculation-for-stereotaxic-frames/13963/34 "2022-06-22T17:26:19Z")

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Thank you, I’ve tested your modules and they work very nicely. I’ve submitted a pull request that makes the extension compatible with the Extensions Manager. There are just 3 small things to do on your side to allow your extension to appear in the Extensions manager:

- Merge this pull request: [Fix extension packaging by lassoan · Pull Request #1 · JBeninca/SlicerStereotaxia · GitHub](https://github.com/JBeninca/SlicerStereotaxia/pull/1)
- Associate the repository with `3d-slicer-extension` GitHub topic so that it is listed [here](https://github.com/topics/3d-slicer-extension). To edit topics, click the settings icon in the right side of “About” section header and enter `3d-slicer-extension` in “Topics” and click “Save changes”. To learn more about topics, read [Classifying your repository with topics - GitHub Docs](https://help.github.com/en/articles/about-topics)
- Add a LICENSE.md file. I would recommend to choose the permissive [MIT license](https://choosealicense.com/licenses/mit/).

Thank you for your contribution!

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<div class="post-metadata">

**Author:** ![JBeninca](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/jbeninca/32/10039_2.png) [@JBeninca](https://discourse.slicer.org/u/JBeninca)\
**Post date:** [June 24, 2022, 8:23pm UTC](https://discourse.slicer.org/t/trajectory-calculation-for-stereotaxic-frames/13963/35 "2022-06-24T20:23:25Z")

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Hello.

I have already made the requested changes and the repository is ready.

Please let me know when I can try to install the module.

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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:** [June 25, 2022, 3:47am UTC](https://discourse.slicer.org/t/trajectory-calculation-for-stereotaxic-frames/13963/36 "2022-06-25T03:47:47Z")

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I’ve submitted the s4ext file to the ExtensionsIndex repository, so the extension may be available in the Extensions Manager from tomorrow.

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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:** [June 25, 2022, 4:18pm UTC](https://discourse.slicer.org/t/trajectory-calculation-for-stereotaxic-frames/13963/37 "2022-06-25T16:18:40Z")

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The Stereotaxia extension is now available in the Extensions manager:

 ![image](https://us1.discourse-cdn.com/flex002/uploads/slicer/original/3X/9/a/9ae9cb349591b2b379f5eeb409bd245cadffd011.jpeg)

If you make any changes/improvements in the extension it is automatically made available to users the next day.

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**Author:** ![Gaston](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/gaston/32/8401_2.png) [@Gaston](https://discourse.slicer.org/u/Gaston)\
**Post date:** [June 25, 2022, 8:17pm UTC](https://discourse.slicer.org/t/trajectory-calculation-for-stereotaxic-frames/13963/38 "2022-06-25T20:17:36Z")

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Hi I have slicer 5.0.2 for osx and I can’t see in the extension manager the stereotype extension.

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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:** [June 26, 2022, 12:25am UTC](https://discourse.slicer.org/t/trajectory-calculation-for-stereotaxic-frames/13963/39 "2022-06-26T00:25:06Z")

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The name of the extension is Stereotaxia. The extension was submitted quite late yesterday, so probably on macOS it did not arrive in time. It is available already in the Slicer Preview Release (rev 31069) and it should be available in the Slicer Stable Release tomorrow.

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<div class="post-metadata">

**Author:** ![JBeninca](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/jbeninca/32/10039_2.png) [@JBeninca](https://discourse.slicer.org/u/JBeninca)\
**Post date:** [July 4, 2022, 1:20pm UTC](https://discourse.slicer.org/t/trajectory-calculation-for-stereotaxic-frames/13963/40 "2022-07-04T13:20:43Z")

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thanks again Andras. How do i know if it is used?.

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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:** [July 4, 2022, 10:39pm UTC](https://discourse.slicer.org/t/trajectory-calculation-for-stereotaxic-frames/13963/41 "2022-07-04T22:39:36Z")

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We only know how many times the extension is downloaded (we don’t know how often they use it). You can get these statistics from `Extension Download Statistics` module of `DeveloperToolsForExtensions` extension.

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