# Latest

**URL:** https://discourse.slicer.org/latest.md?page=10

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

**Page:** 11

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## [Segmentation Folders / Groups / Layers](https://discourse.slicer.org/t/segmentation-folders-groups-layers/47375)

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**Author:** [@LindenRB](https://discourse.slicer.org/u/LindenRB)\
**Replies:** 4\
**Last updated:** [June 19, 2026, 12:31am UTC](https://discourse.slicer.org/t/segmentation-folders-groups-layers/47375 "2026-06-19T00:31:56Z")

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Hi, Apologies in advance if this is obvious but I have tried to search for a solution for this but not found one. I am doing a lot of full body segmentations from CT imaging, and have been using Total Segmentator to sp…

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## [How to use 3D Slicer for Cranial Asymmetry Assessment in Infants?](https://discourse.slicer.org/t/how-to-use-3d-slicer-for-cranial-asymmetry-assessment-in-infants/47370)

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**Author:** [@Lucas\_Villalta](https://discourse.slicer.org/u/Lucas_Villalta)\
**Replies:** 3\
**Last updated:** [June 18, 2026, 4:14pm UTC](https://discourse.slicer.org/t/how-to-use-3d-slicer-for-cranial-asymmetry-assessment-in-infants/47370 "2026-06-18T16:14:56Z")

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Hi, I’m a Pediatric Physical Therapist and I work with infants with Cranial Asymmetries. However, all softwares for asymmetry analysis are paid and I would like to know if I can use this software to calculate these asymm…

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## [Export Models as One STL after transformation](https://discourse.slicer.org/t/export-models-as-one-stl-after-transformation/47371)

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**Author:** [@jawdoc](https://discourse.slicer.org/u/jawdoc)\
**Replies:** 5\
**Last updated:** [June 18, 2026, 12:43pm UTC](https://discourse.slicer.org/t/export-models-as-one-stl-after-transformation/47371 "2026-06-18T12:43:43Z")

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Greetings. I am a facial surgeon and fairly familiar with 3D Slicer. I have a quick question. So my goal is to take a mandible fracture, segment the fracture, and move the segments to their anatomic positions, which allo…

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## [Crash when activating "interaction" in subject hierarchy to transform a volume](https://discourse.slicer.org/t/crash-when-activating-interaction-in-subject-hierarchy-to-transform-a-volume/47373)

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**Author:** [@PitaChib](https://discourse.slicer.org/u/PitaChib)\
**Replies:** 2\
**Last updated:** [June 18, 2026, 5:45am UTC](https://discourse.slicer.org/t/crash-when-activating-interaction-in-subject-hierarchy-to-transform-a-volume/47373 "2026-06-18T05:45:50Z")

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I recently updated to Slicer 5.10.0, and today when I load my .nrrd files, a couple times (at least 3 times in the span of finishing 6 scans), I right click to check “interaction” then slicer would just crash and quit. I…

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## [ImageStacks is not showing up as an option in the SlicerMorph extension](https://discourse.slicer.org/t/imagestacks-is-not-showing-up-as-an-option-in-the-slicermorph-extension/47372)

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**Author:** [@Lachesis676](https://discourse.slicer.org/u/Lachesis676)\
**Replies:** 1\
**Last updated:** [June 17, 2026, 8:20pm UTC](https://discourse.slicer.org/t/imagestacks-is-not-showing-up-as-an-option-in-the-slicermorph-extension/47372 "2026-06-17T20:20:24Z")

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Hello, I have downloaded 3D Slicer 5.10 for macOS and I also installed the SlicerMorph extension. Unfortunately, ImageStacks is not showing up as an option. I have tried reinstallation of both 3D Slicer and SlicerMorph. …

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## [Create a plane that is perpendicular to another plane](https://discourse.slicer.org/t/create-a-plane-that-is-perpendicular-to-another-plane/47307)

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**Author:** [@jsguerra](https://discourse.slicer.org/u/jsguerra)\
**Replies:** 11\
**Last updated:** [June 17, 2026, 5:17pm UTC](https://discourse.slicer.org/t/create-a-plane-that-is-perpendicular-to-another-plane/47307 "2026-06-17T17:17:21Z")

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I’ve created a best fit plane from a point list in the Markups module and I would like to create a second plane perpendicular to the best fit plane. Attached is an example using one of the mouse crania from the SlicerMor…

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## [CMake Flag to CustomApp not to read \`slicerrc.py\` or define other file?](https://discourse.slicer.org/t/cmake-flag-to-customapp-not-to-read-slicerrc-py-or-define-other-file/39046)

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**Author:** [@apparrilla](https://discourse.slicer.org/u/apparrilla)\
**Replies:** 7\
**Last updated:** [June 17, 2026, 11:43am UTC](https://discourse.slicer.org/t/cmake-flag-to-customapp-not-to-read-slicerrc-py-or-define-other-file/39046 "2026-06-17T11:43:56Z")

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Hi everyone! I´ve some trouble betweeen CustomApp and normal Slicer because first one read slicerrc.py file. Is ther any way to complie CustomApp not to read this file or define a custom rc file to be saved instead? Th…

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## [Is there a Python API to get MLC/Jaw position sequences from a VMAT plan?](https://discourse.slicer.org/t/is-there-a-python-api-to-get-mlc-jaw-position-sequences-from-a-vmat-plan/47323)

<div class="topic-metadata">

**Author:** [@Aki](https://discourse.slicer.org/u/Aki)\
**Replies:** 2\
**Last updated:** [June 16, 2026, 11:16pm UTC](https://discourse.slicer.org/t/is-there-a-python-api-to-get-mlc-jaw-position-sequences-from-a-vmat-plan/47323 "2026-06-16T23:16:47Z")

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Hi, there I would like to get MLC/Jaw position sequences and dose/MU data at each control point from data imported into 3DSlicer. Is there any API to access such data. I would like to make a python script or extension t…

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## [New extension: MuscleMap --  Automated Whole-Body Muscle Segmentation](https://discourse.slicer.org/t/new-extension-musclemap-automated-whole-body-muscle-segmentation/47364)

<div class="topic-metadata">

**Author:** [@Eddo\_Wesselink](https://discourse.slicer.org/u/Eddo_Wesselink)\
**Replies:** 0\
**Last updated:** [June 16, 2026, 5:51pm UTC](https://discourse.slicer.org/t/new-extension-musclemap-automated-whole-body-muscle-segmentation/47364 "2026-06-16T17:51:22Z")

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New extension: MuscleMap — open-source, community-supported automated whole-body muscle segmentation MuscleMap is a 3D Slicer extension for fully automatic segmentation of skeletal muscle in MRI and CT. It is develop…

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## [2026.06.16 Weekly Meeting](https://discourse.slicer.org/t/2026-06-16-weekly-meeting/47301)

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**Author:** [@ebrahim](https://discourse.slicer.org/u/ebrahim)\
**Replies:** 2\
**Last updated:** [June 16, 2026, 4:23pm UTC](https://discourse.slicer.org/t/2026-06-16-weekly-meeting/47301 "2026-06-16T16:23:11Z")

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Title: 2026.06.16 Weekly Meeting Next Tuesday, we will be having our next weekly hangout at 11:00 AM ET until 12:00 PM ET. Anyone is welcome to join at this link: Launch Meeting - Zoom Agenda: Please post to this t…

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## [Question about why MIP results differ even when using a Slab Thickness large enough to cover the entire volume in the Slice Viewer](https://discourse.slicer.org/t/question-about-why-mip-results-differ-even-when-using-a-slab-thickness-large-enough-to-cover-the-entire-volume-in-the-slice-viewer/47351)

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**Author:** [@Changyoon\_Lee](https://discourse.slicer.org/u/Changyoon_Lee)\
**Replies:** 1\
**Last updated:** [June 16, 2026, 1:20pm UTC](https://discourse.slicer.org/t/question-about-why-mip-results-differ-even-when-using-a-slab-thickness-large-enough-to-cover-the-entire-volume-in-the-slice-viewer/47351 "2026-06-16T13:20:05Z")

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Hello, I have a question about an unexpected behavior I observed while checking MIP results using Slab Reconstruction in the 3D Slicer Slice Viewer. I tested this using the MRHead volume provided with 3D Slicer. The ac…

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## [\- Struggling With Liver Segmentation in 3D Slicer — Need Guidance](https://discourse.slicer.org/t/struggling-with-liver-segmentation-in-3d-slicer-need-guidance/46420)

<div class="topic-metadata">

**Author:** [@Marco\_Ribeiro\_Silva](https://discourse.slicer.org/u/Marco_Ribeiro_Silva)\
**Replies:** 6\
**Last updated:** [June 16, 2026, 11:18am UTC](https://discourse.slicer.org/t/struggling-with-liver-segmentation-in-3d-slicer-need-guidance/46420 "2026-06-16T11:18:12Z")

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Hello everybody I’m currently struggling to find up‑to‑date datasets to learn how to segment the liver in 3D Slicer. Many of the extensions I come across are outdated, incompatible, or no longer maintained, which makes …

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## [Unable to import GE Vivid E95 4D echocardiography data into 3D Slicer](https://discourse.slicer.org/t/unable-to-import-ge-vivid-e95-4d-echocardiography-data-into-3d-slicer/47184)

<div class="topic-metadata">

**Author:** [@taki011](https://discourse.slicer.org/u/taki011)\
**Replies:** 1\
**Last updated:** [June 16, 2026, 10:19am UTC](https://discourse.slicer.org/t/unable-to-import-ge-vivid-e95-4d-echocardiography-data-into-3d-slicer/47184 "2026-06-16T10:19:17Z")

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Hello, I am trying to import 4D cardiac ultrasound data from a GE Vivid E95 into 3D Slicer (using the SlicerHeart extension) but I have not been able to load the volumetric data successfully. What I have tried: 1. Ex…

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## [Nvidia AIAA on default server, I dont have "annotation\_mri\_brain\_tumors\_t1ce\_tc" model under Segment from Boundary points (DExtr3D). I just have three models brain mri, lung ct covid and spleen annotation. How to get that model?](https://discourse.slicer.org/t/nvidia-aiaa-on-default-server-i-dont-have-annotation-mri-brain-tumors-t1ce-tc-model-under-segment-from-boundary-points-dextr3d-i-just-have-three-models-brain-mri-lung-ct-covid-and-spleen-annotation-how-to-get-that-model/21347)

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**Author:** [@Akhil\_Ratan\_Mishra](https://discourse.slicer.org/u/Akhil_Ratan_Mishra)\
**Replies:** 1\
**Last updated:** [June 16, 2026, 7:37am UTC](https://discourse.slicer.org/t/nvidia-aiaa-on-default-server-i-dont-have-annotation-mri-brain-tumors-t1ce-tc-model-under-segment-from-boundary-points-dextr3d-i-just-have-three-models-brain-mri-lung-ct-covid-and-spleen-annotation-how-to-get-that-model/21347 "2026-06-16T07:37:59Z")

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Operating system: Windows 11 Slicer version:4.11 Expected behavior: Actual behavior:

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## [Free form cutting tool in segment editor is slower. ](https://discourse.slicer.org/t/free-form-cutting-tool-in-segment-editor-is-slower/47245)

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**Author:** [@Chayce\_Ross](https://discourse.slicer.org/u/Chayce_Ross)\
**Replies:** 1\
**Last updated:** [June 16, 2026, 5:28am UTC](https://discourse.slicer.org/t/free-form-cutting-tool-in-segment-editor-is-slower/47245 "2026-06-16T05:28:39Z")

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Recently the UI updated for the cutting tool in the segment editor to include new options like rectangle or circular cutting tools. These are much faster than the free form tool was/is. However, I feel like the performan…

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## [How can Calculate & Visualize the Center of Mass (COM)?](https://discourse.slicer.org/t/how-can-calculate-visualize-the-center-of-mass-com/47074)

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**Author:** [@zahra\_Tabasi](https://discourse.slicer.org/u/zahra_Tabasi)\
**Replies:** 3\
**Last updated:** [June 15, 2026, 10:30pm UTC](https://discourse.slicer.org/t/how-can-calculate-visualize-the-center-of-mass-com/47074 "2026-06-15T22:30:38Z")

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Hello everyone, I am currently conducting a research study involving patients with unilateral left-sided breast cancer undergoing radiotherapy. The purpose of my study is to compare Normal Breathing (free breathing) and…

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## [Registered SPECT DICOM export issue](https://discourse.slicer.org/t/registered-spect-dicom-export-issue/47347)

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**Author:** [@Sorawipat\_Intamoon](https://discourse.slicer.org/u/Sorawipat_Intamoon)\
**Replies:** 1\
**Last updated:** [June 15, 2026, 7:03pm UTC](https://discourse.slicer.org/t/registered-spect-dicom-export-issue/47347 "2026-06-15T19:03:09Z")

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Dear all, I am working on image-based internal dosimetry using multiple-time-point quantitative SPECT images. To align the images across time points, I registered each CT image to a reference CT and then applied the re…

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## [TotalSegmentator Partial Segmentation](https://discourse.slicer.org/t/totalsegmentator-partial-segmentation/47335)

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**Author:** [@Arash1](https://discourse.slicer.org/u/Arash1)\
**Replies:** 3\
**Last updated:** [June 15, 2026, 2:46pm UTC](https://discourse.slicer.org/t/totalsegmentator-partial-segmentation/47335 "2026-06-15T14:46:54Z")

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Any suggestions on why the segment is like this? \[DEBUG\]\[Qt\] 14.06.2026 13:36:34 (unknown:0) - Session start time …: 20260614\_133634 \[DEBUG\]\[Qt\] 14.06.2026 13:36:34 (unknown:0) - Slicer version …: 5.10.0 (revision…

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## [HighRes segmentation in TotalSegmentator](https://discourse.slicer.org/t/highres-segmentation-in-totalsegmentator/47345)

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**Author:** [@jordy86](https://discourse.slicer.org/u/jordy86)\
**Replies:** 0\
**Last updated:** [June 15, 2026, 12:40pm UTC](https://discourse.slicer.org/t/highres-segmentation-in-totalsegmentator/47345 "2026-06-15T12:40:22Z")

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I noticed some test high res models in the TotalSegmentator github a while back but now they are gone. Are there any plans to introduce higher resolution segmentation similar to the highresh heart chambers available now? …

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## [Airway segmentation of mouse lung](https://discourse.slicer.org/t/airway-segmentation-of-mouse-lung/47320)

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**Author:** [@ljuno](https://discourse.slicer.org/u/ljuno)\
**Replies:** 4\
**Last updated:** [June 13, 2026, 4:40pm UTC](https://discourse.slicer.org/t/airway-segmentation-of-mouse-lung/47320 "2026-06-13T16:40:18Z")

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Hello, I am working with 3D slicer in hopes to segment the airway of this mouse lung, acquired from lightsheet microscopy. I would like to segment the main airways, but not the alveoli (at least not yet - I am hoping to…

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## [Issues 3D view .vtk model](https://discourse.slicer.org/t/issues-3d-view-vtk-model/47237)

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**Author:** [@Stephan\_Collins](https://discourse.slicer.org/u/Stephan_Collins)\
**Replies:** 15\
**Last updated:** [June 12, 2026, 11:33am UTC](https://discourse.slicer.org/t/issues-3d-view-vtk-model/47237 "2026-06-12T11:33:17Z")

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Dear greatest community of all, I am having issues displaying models whilst segments are looking just fine in 3D view. I am running slicer on linux on a calculation server, never had this kind of troubles before… affec…

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## [Which is the best extension for Brain parcellation?](https://discourse.slicer.org/t/which-is-the-best-extension-for-brain-parcellation/45483)

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**Author:** [@Suhaim](https://discourse.slicer.org/u/Suhaim)\
**Replies:** 3\
**Last updated:** [June 11, 2026, 9:28pm UTC](https://discourse.slicer.org/t/which-is-the-best-extension-for-brain-parcellation/45483 "2026-06-11T21:28:16Z")

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Hi, Is there any extension in 3D-Slicer which offers automated brain segmentation for parts such as - Amygdala, Hippocampus, Insula etc.? Which extension has the best accuracy? I was able to find SlicerNeuroSegmentatio…

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## [FINAL PW Prep meeting Tues Jun 16 at 10 AM ET](https://discourse.slicer.org/t/final-pw-prep-meeting-tues-jun-16-at-10-am-et/47321)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 0\
**Last updated:** [June 11, 2026, 8:56pm UTC](https://discourse.slicer.org/t/final-pw-prep-meeting-tues-jun-16-at-10-am-et/47321 "2026-06-11T20:56:24Z")

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Dear Project Week community, The final project week preparation meeting will be next Tuesday, June 16, at 10:00 AM ET. (2026-06-16T14:00:00Z (UTC)) For this meeting, we will be discussing simulation projects, SlicerVR,…

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## [Volume rendering rainbow hue?](https://discourse.slicer.org/t/volume-rendering-rainbow-hue/47319)

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**Author:** [@PitaChib](https://discourse.slicer.org/u/PitaChib)\
**Replies:** 1\
**Last updated:** [June 11, 2026, 5:17pm UTC](https://discourse.slicer.org/t/volume-rendering-rainbow-hue/47319 "2026-06-11T17:17:54Z")

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Hi all, I’m working with a ct scanned skull, and I used the preset microCT bone 16 bit preset to display my volume. However, no matter how I toggle the intensity settings and the advanced things, this hue exists, and as …

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## [ Subtract Segment using python console is not working](https://discourse.slicer.org/t/subtract-segment-using-python-console-is-not-working/47315)

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**Author:** [@Gaia\_Eligio](https://discourse.slicer.org/u/Gaia_Eligio)\
**Replies:** 0\
**Last updated:** [June 11, 2026, 3:10pm UTC](https://discourse.slicer.org/t/subtract-segment-using-python-console-is-not-working/47315 "2026-06-11T15:10:32Z")

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Hi, all. I am working on a Python script to automate the creation of skull, meninges, and CSF with the use of segmentations imported from FreeSurfer and MRI images. This is for a research project on Traumatic Brain Injur…

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## [Slice view orientation of oblique/rotated volumes - aligned to volume or anatomical axes?](https://discourse.slicer.org/t/slice-view-orientation-of-oblique-rotated-volumes-aligned-to-volume-or-anatomical-axes/20092)

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**Author:** [@Sharada](https://discourse.slicer.org/u/Sharada)\
**Replies:** 14\
**Last updated:** [June 10, 2026, 8:13pm UTC](https://discourse.slicer.org/t/slice-view-orientation-of-oblique-rotated-volumes-aligned-to-volume-or-anatomical-axes/20092 "2026-06-10T20:13:59Z")

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I have a Sagittal volume (DICOM) that is displayed obliquely in Slicer (because it is an oblique sagittal reconstruction) and it makes perfect sense. Here is the volume information: The same image, when converted …

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## [Normalization of glioblastoma MRI images](https://discourse.slicer.org/t/normalization-of-glioblastoma-mri-images/45629)

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**Author:** [@celiaalme](https://discourse.slicer.org/u/celiaalme)\
**Replies:** 1\
**Last updated:** [June 10, 2026, 3:03am UTC](https://discourse.slicer.org/t/normalization-of-glioblastoma-mri-images/45629 "2026-06-10T03:03:10Z")

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Hi! I’m kinda new to radiomics and don’t know much about image normalization. I want to extract radiomic features from MRI glioblastoma images. I’ve managed to apply an N4ITK bias filter and a z-score normalization, but …

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## [Request for Contribution Acknowledgment for Slicer language translations](https://discourse.slicer.org/t/request-for-contribution-acknowledgment-for-slicer-language-translations/47286)

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**Author:** [@Thamer\_Alamoudi](https://discourse.slicer.org/u/Thamer_Alamoudi)\
**Replies:** 1\
**Last updated:** [June 9, 2026, 8:49pm UTC](https://discourse.slicer.org/t/request-for-contribution-acknowledgment-for-slicer-language-translations/47286 "2026-06-09T20:49:40Z")

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Hello 3D Slicer Team, I have contributed to the translation of several 3D Slicer projects through Weblate under the username thameralamoudi. For professional and academic documentation purposes, I would like to ask whe…

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## [2026.06.09 Weekly Meeting](https://discourse.slicer.org/t/2026-06-09-weekly-meeting/47221)

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**Author:** [@ebrahim](https://discourse.slicer.org/u/ebrahim)\
**Replies:** 3\
**Last updated:** [June 9, 2026, 2:15pm UTC](https://discourse.slicer.org/t/2026-06-09-weekly-meeting/47221 "2026-06-09T14:15:03Z")

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Title: 2026.06.09 Weekly Meeting Next Tuesday, we will be having our next weekly hangout at 11:00 AM ET until 12:00 PM ET. Anyone is welcome to join at (this link: Launch Meeting - Zoom) this new link for today: Launch…

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## [Next PW Prep meeting Tues Jun 9 at 10 AM ET](https://discourse.slicer.org/t/next-pw-prep-meeting-tues-jun-9-at-10-am-et/47240)

<div class="topic-metadata">

**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 1\
**Last updated:** [June 9, 2026, 2:11pm UTC](https://discourse.slicer.org/t/next-pw-prep-meeting-tues-jun-9-at-10-am-et/47240 "2026-06-09T14:11:53Z")

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Dear Project Week community, The next project week preparation meeting will be next Tuesday, June 9, at 10:00 AM ET. (2026-06-09T14:00:00Z (UTC)) For this meeting, we will be discussing IGT related projects and plannin…

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