# Community

**URL:** https://discourse.slicer.org/c/community/12.md?no_subcategories=false&page=2

[Latest](https://discourse.slicer.org/latest.md) · [Categories](https://discourse.slicer.org/categories.md) · [Tags](https://discourse.slicer.org/tags.md)

**Page:** 3

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## [2026.04.07 Weekly Meeting](https://discourse.slicer.org/t/2026-04-07-weekly-meeting/46673)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 1\
**Last updated:** [April 7, 2026, 4:14pm UTC](https://discourse.slicer.org/t/2026-04-07-weekly-meeting/46673 "2026-04-07T16:14:37Z")

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Tomorrow, we will be having our next weekly hangout at 10:00 AM ET until 11:00 AM ET. Anyone is welcome to join at this link: https://bit.ly/slicer-googlemeet-hosted-by-kitware Agenda: Please post to this thread to …

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## [2026.03.31 Weekly Meeting](https://discourse.slicer.org/t/2026-03-31-weekly-meeting/46615)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 6\
**Last updated:** [April 7, 2026, 2:43am UTC](https://discourse.slicer.org/t/2026-03-31-weekly-meeting/46615 "2026-04-07T02:43:10Z")

</div>

Tomorrow, we will be having our next weekly hangout at 10:00 AM ET until 11:00 AM ET. Anyone is welcome to join at this link: https://bit.ly/slicer-googlemeet-hosted-by-kitware Agenda: Please post to this thread to …

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## [Radiosteriormetric analysis- finding micromotion of knee replacement implant](https://discourse.slicer.org/t/radiosteriormetric-analysis-finding-micromotion-of-knee-replacement-implant/46667)

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**Author:** [@vinothkumar](https://discourse.slicer.org/u/vinothkumar)\
**Replies:** 0\
**Last updated:** [April 6, 2026, 12:18pm UTC](https://discourse.slicer.org/t/radiosteriormetric-analysis-finding-micromotion-of-knee-replacement-implant/46667 "2026-04-06T12:18:11Z")

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radiosteriometric analysis is a method to find metal implants implanted in bone over time. I am doing research on micromotion of knee implant in osteoporotic patients over two years by comparing the distance between meta…

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## [Autoscoper crashes when trying to load](https://discourse.slicer.org/t/autoscoper-crashes-when-trying-to-load/45790)

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**Author:** [@Janae](https://discourse.slicer.org/u/Janae)\
**Replies:** 11\
**Last updated:** [April 6, 2026, 11:02am UTC](https://discourse.slicer.org/t/autoscoper-crashes-when-trying-to-load/45790 "2026-04-06T11:02:19Z")

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Hello, I have not been able to successfully open Autoscoper and have been receiving the error message included below. I have Slicer 5.10.0 and Autoscoper last update “Mon Nov 10 2025 (Revision: 85cd82f)”. A coworker wi…

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## [Using getImageCropped function in PyAutoscoper. Getting truncated/empty data](https://discourse.slicer.org/t/using-getimagecropped-function-in-pyautoscoper-getting-truncated-empty-data/46471)

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**Author:** [@Prabhroop\_Singh](https://discourse.slicer.org/u/Prabhroop_Singh)\
**Replies:** 3\
**Last updated:** [April 3, 2026, 7:28pm UTC](https://discourse.slicer.org/t/using-getimagecropped-function-in-pyautoscoper-getting-truncated-empty-data/46471 "2026-04-03T19:28:21Z")

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I’m trying to use getImageCropped from PyAutoscoper to extract the cropped DRR image of a volume at a given pose. My setup works fine otherwise – getPose, getNCC, optimizeFrame, and trackingDialog all work correctly. Thi…

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## [Segmenting the skull base](https://discourse.slicer.org/t/segmenting-the-skull-base/29143)

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**Author:** [@Tannadrake](https://discourse.slicer.org/u/Tannadrake)\
**Replies:** 3\
**Last updated:** [March 31, 2026, 11:58am UTC](https://discourse.slicer.org/t/segmenting-the-skull-base/29143 "2026-03-31T11:58:37Z")

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Hello Slicer Community Background: I am a relatively new 3D slicer user. I am a neurosurgery resident with no programming experience. I am interested in using Slicer to segment neuroimaging for the purposes of 3D printi…

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## [Create centerlines in multiple tubes?](https://discourse.slicer.org/t/create-centerlines-in-multiple-tubes/46585)

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**Author:** [@Morgenstern](https://discourse.slicer.org/u/Morgenstern)\
**Replies:** 1\
**Last updated:** [March 26, 2026, 10:15pm UTC](https://discourse.slicer.org/t/create-centerlines-in-multiple-tubes/46585 "2026-03-26T22:15:46Z")

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Hey, I have a structure consisting of many closed, not connected tubes. I would like to know if it is possible to detect the centerlines of multiple tubes at once. I was only able to create the centerline for one tube at…

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## [Linear Measurements on CT scans using Ruler tool](https://discourse.slicer.org/t/linear-measurements-on-ct-scans-using-ruler-tool/46586)

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**Author:** [@egrady](https://discourse.slicer.org/u/egrady)\
**Replies:** 4\
**Last updated:** [March 26, 2026, 7:41pm UTC](https://discourse.slicer.org/t/linear-measurements-on-ct-scans-using-ruler-tool/46586 "2026-03-26T19:41:30Z")

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Hello! I am exploring using 3D slicer for my dissertation. I am using CT (dicom) files of several bovid mandibles and need to take a linear measurement of tooth crown height. It seems like the best way to do this is usi…

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## [Smoothing aorta segmentations across time](https://discourse.slicer.org/t/smoothing-aorta-segmentations-across-time/46522)

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**Author:** [@tassiasalles](https://discourse.slicer.org/u/tassiasalles)\
**Replies:** 3\
**Last updated:** [March 26, 2026, 6:25pm UTC](https://discourse.slicer.org/t/smoothing-aorta-segmentations-across-time/46522 "2026-03-26T18:25:13Z")

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Good afternoon, I’m working with aorta segmentation across different cardiac frames and I was wondering if there is any way to smooth the segmentations across time (different cardiac frames) to avoid segmentations incon…

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## [2026.03.24 Weekly Meeting](https://discourse.slicer.org/t/2026-03-24-weekly-meeting/46543)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 3\
**Last updated:** [March 24, 2026, 3:48pm UTC](https://discourse.slicer.org/t/2026-03-24-weekly-meeting/46543 "2026-03-24T15:48:32Z")

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Tomorrow, we will be having our next weekly hangout at 10:00 AM ET until 11:00 AM ET. Anyone is welcome to join at this link: https://bit.ly/slicer-googlemeet-hosted-by-kitware Agenda: Please post to this thread to …

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## [2026.03.17 Weekly Meeting](https://discourse.slicer.org/t/2026-03-17-weekly-meeting/46468)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 4\
**Last updated:** [March 17, 2026, 3:40pm UTC](https://discourse.slicer.org/t/2026-03-17-weekly-meeting/46468 "2026-03-17T15:40:15Z")

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Tomorrow, we will be having our next weekly hangout at 10:00 AM ET until 11:00 AM ET. Anyone is welcome to join at this link: https://bit.ly/slicer-googlemeet-hosted-by-kitware Agenda: Please post to this thread to …

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## [DECA mean shape model: partly coarse surface](https://discourse.slicer.org/t/deca-mean-shape-model-partly-coarse-surface/46332)

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**Author:** [@MrMarkus](https://discourse.slicer.org/u/MrMarkus)\
**Replies:** 8\
**Last updated:** [March 16, 2026, 4:02pm UTC](https://discourse.slicer.org/t/deca-mean-shape-model-partly-coarse-surface/46332 "2026-03-16T16:02:33Z")

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Hi, I am using DECA for some shape analysis. I am wondering why the resulting reference / atlas shape model appears to have partly coarse surface. The workflow for comparing 2 groups looks like this: first: using …

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## [PlasmatronX - Built a CT Scanner to See Sound](https://discourse.slicer.org/t/plasmatronx-built-a-ct-scanner-to-see-sound/46448)

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**Author:** [@ruffsl](https://discourse.slicer.org/u/ruffsl)\
**Replies:** 1\
**Last updated:** [March 13, 2026, 12:57pm UTC](https://discourse.slicer.org/t/plasmatronx-built-a-ct-scanner-to-see-sound/46448 "2026-03-13T12:57:43Z")

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A neat clip using 3D Slicer out in the wild.

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## [Slicer used to see sound waves in 4D (not US)](https://discourse.slicer.org/t/slicer-used-to-see-sound-waves-in-4d-not-us/46447)

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**Author:** [@mau\_igna\_06](https://discourse.slicer.org/u/mau_igna_06)\
**Replies:** 0\
**Last updated:** [March 12, 2026, 11:37pm UTC](https://discourse.slicer.org/t/slicer-used-to-see-sound-waves-in-4d-not-us/46447 "2026-03-12T23:37:51Z")

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Hi, this video is not mine but it is quite cool:

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## [How to create layer hierarchies for gltf export](https://discourse.slicer.org/t/how-to-create-layer-hierarchies-for-gltf-export/46432)

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**Author:** [@Marcela\_Cardenas](https://discourse.slicer.org/u/Marcela_Cardenas)\
**Replies:** 0\
**Last updated:** [March 11, 2026, 12:24pm UTC](https://discourse.slicer.org/t/how-to-create-layer-hierarchies-for-gltf-export/46432 "2026-03-11T12:24:17Z")

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Hello, I am trying to export a model using the OpenAnatomy Export module, creating subcategories for tissues (such as skeletal system, muscular system, etc. as seen here: Online 3D Viewer ). I have tried creating separa…

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## [2026.03.10 Weekly Meeting](https://discourse.slicer.org/t/2026-03-10-weekly-meeting/46418)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 2\
**Last updated:** [March 10, 2026, 4:58pm UTC](https://discourse.slicer.org/t/2026-03-10-weekly-meeting/46418 "2026-03-10T16:58:17Z")

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Tomorrow, we will be having our next weekly hangout at 10:00 AM ET until 11:00 AM ET. Anyone is welcome to join at this link: https://bit.ly/slicer-googlemeet-hosted-by-kitware Agenda: Please post to this thread to …

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## [2026.03.02 Weekly Meeting](https://discourse.slicer.org/t/2026-03-02-weekly-meeting/46362)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 3\
**Last updated:** [March 3, 2026, 9:00pm UTC](https://discourse.slicer.org/t/2026-03-02-weekly-meeting/46362 "2026-03-03T21:00:35Z")

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Tomorrow, we will be having our next weekly hangout at 10:00 AM ET until 11:00 AM ET. Anyone is welcome to join at this link: https://bit.ly/slicer-googlemeet-hosted-by-kitware Agenda: Please post to this thread to …

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## [Curved Planner - cant find](https://discourse.slicer.org/t/curved-planner-cant-find/46329)

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**Author:** [@Tair](https://discourse.slicer.org/u/Tair)\
**Replies:** 0\
**Last updated:** [February 27, 2026, 2:38pm UTC](https://discourse.slicer.org/t/curved-planner-cant-find/46329 "2026-02-27T14:38:26Z")

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I can’t find the curved planner option, I download the send box and I still cant find it does it have other names?

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## [DECA --\> any requirements on decimation of the model?](https://discourse.slicer.org/t/deca-any-requirements-on-decimation-of-the-model/46282)

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**Author:** [@MrMarkus](https://discourse.slicer.org/u/MrMarkus)\
**Replies:** 1\
**Last updated:** [February 25, 2026, 4:16pm UTC](https://discourse.slicer.org/t/deca-any-requirements-on-decimation-of-the-model/46282 "2026-02-25T16:16:46Z")

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Hi, I am wondering if there are any recommandations for decimation of the 3D model of interest. Working with CT data of mouse skull, the original 3D ply model is about 100 MB. After running “quadratic” decimation wit…

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## [2026.02.24 Weekly Meeting](https://discourse.slicer.org/t/2026-02-24-weekly-meeting/46266)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 3\
**Last updated:** [February 24, 2026, 5:33pm UTC](https://discourse.slicer.org/t/2026-02-24-weekly-meeting/46266 "2026-02-24T17:33:52Z")

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Tomorrow, we will be having our next weekly hangout at 10:00 AM ET until 11:00 AM ET. Anyone is welcome to join at this link: https://bit.ly/slicer-googlemeet-hosted-by-kitware Agenda: Please post to this thread to …

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## [2026.02.17 Weekly Meeting](https://discourse.slicer.org/t/2026-02-17-weekly-meeting/46181)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 7\
**Last updated:** [February 23, 2026, 2:14pm UTC](https://discourse.slicer.org/t/2026-02-17-weekly-meeting/46181 "2026-02-23T14:14:36Z")

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Tomorrow, we will be having our next weekly hangout at 10:00 AM ET until 11:00 AM ET. Anyone is welcome to join at this link: https://bit.ly/slicer-googlemeet-hosted-by-kitware Agenda: Please post to this thread to …

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## [Regarding radius of centerline curve](https://discourse.slicer.org/t/regarding-radius-of-centerline-curve/46113)

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**Author:** [@Mudrika](https://discourse.slicer.org/u/Mudrika)\
**Replies:** 2\
**Last updated:** [February 11, 2026, 12:09pm UTC](https://discourse.slicer.org/t/regarding-radius-of-centerline-curve/46113 "2026-02-11T12:09:24Z")

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Hello everyone! I am extracting centerline curves from a 3D model of coronary arteries and further through centerline quantiifcation, radius of the arteries is calculated. Can someone please tell, is it the average radi…

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## [2026.02.10 Weekly Meeting](https://discourse.slicer.org/t/2026-02-10-weekly-meeting/46076)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 1\
**Last updated:** [February 10, 2026, 4:35pm UTC](https://discourse.slicer.org/t/2026-02-10-weekly-meeting/46076 "2026-02-10T16:35:19Z")

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Next Tuesday, we will be having our next weekly hangout at 10:00 AM ET until 11:00 AM ET. Anyone is welcome to join at this link: https://bit.ly/slicer-googlemeet-hosted-by-kitware Agenda: Please post to this thread…

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## [2026.02.03 Weekly Meeting](https://discourse.slicer.org/t/2026-02-03-weekly-meeting/46044)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 2\
**Last updated:** [February 3, 2026, 4:57pm UTC](https://discourse.slicer.org/t/2026-02-03-weekly-meeting/46044 "2026-02-03T16:57:13Z")

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Tomorrow, we will be having our next weekly hangout at 10:00 AM ET until 11:00 AM ET. Anyone is welcome to join at this link: https://bit.ly/slicer-googlemeet-hosted-by-kitware Agenda: Please post to this thread to …

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## [Slicer3d through TotalSegmentator airway segmentation limited to 1–2 generations – how to extend to distal bronchi (G4–G5)?](https://discourse.slicer.org/t/slicer3d-through-totalsegmentator-airway-segmentation-limited-to-1-2-generations-how-to-extend-to-distal-bronchi-g4-g5/45943)

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**Author:** [@hadrien\_calmet](https://discourse.slicer.org/u/hadrien_calmet)\
**Replies:** 1\
**Last updated:** [February 3, 2026, 4:20pm UTC](https://discourse.slicer.org/t/slicer3d-through-totalsegmentator-airway-segmentation-limited-to-1-2-generations-how-to-extend-to-distal-bronchi-g4-g5/45943 "2026-02-03T16:20:41Z")

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Hello everyone, I am working on airway segmentation from a chest CT scan using 3D Slicer and the TotalSegmentator extension. I successfully segmented the trachea and main bronchi, but the result is currently limited to…

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## [4DCT registration - Hierarchical 3D Registration not recognizing "Sequence"](https://discourse.slicer.org/t/4dct-registration-hierarchical-3d-registration-not-recognizing-sequence/46026)

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**Author:** [@taylor\_t](https://discourse.slicer.org/u/taylor_t)\
**Replies:** 0\
**Last updated:** [February 1, 2026, 6:38pm UTC](https://discourse.slicer.org/t/4dct-registration-hierarchical-3d-registration-not-recognizing-sequence/46026 "2026-02-01T18:38:30Z")

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I am trying to process 4DCT data using SlicerAutoscoper. I was able to load in the static CT images (Bone Thins Knee Bilateral), perform segmentations and export as STL files, and load in the 4D CT dynamic data (4D Knee\_…

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## [Trouble Opening the Load Data](https://discourse.slicer.org/t/trouble-opening-the-load-data/44330)

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**Author:** [@Megan\_Weaver](https://discourse.slicer.org/u/Megan_Weaver)\
**Replies:** 14\
**Last updated:** [January 28, 2026, 5:17pm UTC](https://discourse.slicer.org/t/trouble-opening-the-load-data/44330 "2026-01-28T17:17:42Z")

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Hi! I am having difficulty opening the load data every time I try to launch the data I get this error message. Any advice?

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## [I created my own 3D slicer for a hackathon and won ](https://discourse.slicer.org/t/i-created-my-own-3d-slicer-for-a-hackathon-and-won/45966)

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**Author:** [@Thomas\_Kantecki](https://discourse.slicer.org/u/Thomas_Kantecki)\
**Replies:** 0\
**Last updated:** [January 28, 2026, 9:15am UTC](https://discourse.slicer.org/t/i-created-my-own-3d-slicer-for-a-hackathon-and-won/45966 "2026-01-28T09:15:10Z")

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Hello everyone. Never used this forum before but i thought maybe some of you would be interested in a project me and my team made in 36 hours. The idea was to make a google docs style collaborative MRI viewing software …

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## [Possible use of MedGemma for complex trach tube design](https://discourse.slicer.org/t/possible-use-of-medgemma-for-complex-trach-tube-design/45944)

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**Author:** [@LukaBloomRox](https://discourse.slicer.org/u/LukaBloomRox)\
**Replies:** 0\
**Last updated:** [January 27, 2026, 9:00am UTC](https://discourse.slicer.org/t/possible-use-of-medgemma-for-complex-trach-tube-design/45944 "2026-01-27T09:00:31Z")

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Hi, In earlier posts I have shared work in doing trach tube design from a set of ct scans of a patient with severe scoliosis and kyphosis in a variety of positions, trying to tell the difference between air and tissue, …

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## [NO Meeting this week](https://discourse.slicer.org/t/no-meeting-this-week/45921)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 0\
**Last updated:** [January 26, 2026, 10:36am UTC](https://discourse.slicer.org/t/no-meeting-this-week/45921 "2026-01-26T10:36:58Z")

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Hi all, There will be no developer meeting this week due to Project Week. See you all next week! Sam

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