# Support

**URL:** https://discourse.slicer.org/c/support/11.md?no_subcategories=false&page=19

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

**Page:** 20

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## [Colorize Volume of a Sequence (sandbox)](https://discourse.slicer.org/t/colorize-volume-of-a-sequence-sandbox/45460)

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**Author:** [@Deep\_Learning](https://discourse.slicer.org/u/Deep_Learning)\
**Replies:** 0\
**Last updated:** [December 12, 2025, 7:00pm UTC](https://discourse.slicer.org/t/colorize-volume-of-a-sequence-sandbox/45460 "2025-12-12T19:00:47Z")

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Colorize Volume of a sequence is failing, 5.10.0 and some previous versions. Error message above. Works for a single frame. Was working for sequences some months ago.

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## [Can the nninteractive server environment be in a read-only folder](https://discourse.slicer.org/t/can-the-nninteractive-server-environment-be-in-a-read-only-folder/45451)

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**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 3\
**Last updated:** [December 12, 2025, 4:43pm UTC](https://discourse.slicer.org/t/can-the-nninteractive-server-environment-be-in-a-read-only-folder/45451 "2025-12-12T16:43:59Z")

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During the workshops there are a lot of interest from biologists to use NNInteractive. However, it does take a while to set it up the server, particularly if you are not familiar that kind of thing. In MorphoCloud, we c…

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## [Where can I find a working Slicer 5.6.x portable package with SlicerLiver extension?](https://discourse.slicer.org/t/where-can-i-find-a-working-slicer-5-6-x-portable-package-with-slicerliver-extension/45445)

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**Author:** [@kzx](https://discourse.slicer.org/u/kzx)\
**Replies:** 2\
**Last updated:** [December 12, 2025, 2:34am UTC](https://discourse.slicer.org/t/where-can-i-find-a-working-slicer-5-6-x-portable-package-with-slicerliver-extension/45445 "2025-12-12T02:34:40Z")

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Hello Slicer developers, I am experiencing an issue where the SlicerLiver module does not appear in the module list, even though it is successfully installed through the Extensions Manager. My environment OS: Windows…

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## [How to cut a Model using a Grid Surface markup?](https://discourse.slicer.org/t/how-to-cut-a-model-using-a-grid-surface-markup/45416)

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**Author:** [@GroadoSwaggins](https://discourse.slicer.org/u/GroadoSwaggins)\
**Replies:** 5\
**Last updated:** [December 12, 2025, 1:01am UTC](https://discourse.slicer.org/t/how-to-cut-a-model-using-a-grid-surface-markup/45416 "2025-12-12T01:01:48Z")

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tldr: I would like to cut a Model in “half” using a non-flat planar surface I created with Markup \> Geometric Surface Grid. Is it possible? Further explanation below. I have a CT scan asymmetrical brain Volume that I ha…

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## [Issues visualizing results in DentalModelSeg (Slicer 5.8) – segmentation runs but no output appears](https://discourse.slicer.org/t/issues-visualizing-results-in-dentalmodelseg-slicer-5-8-segmentation-runs-but-no-output-appears/45405)

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**Author:** [@Brendy\_Villanueva](https://discourse.slicer.org/u/Brendy_Villanueva)\
**Replies:** 1\
**Last updated:** [December 11, 2025, 8:38pm UTC](https://discourse.slicer.org/t/issues-visualizing-results-in-dentalmodelseg-slicer-5-8-segmentation-runs-but-no-output-appears/45405 "2025-12-11T20:38:13Z")

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Hello everyone, I am trying to segment teeth from STL dental models using DentalModelSeg, but I am running into visualization issues, and I would really appreciate some guidance. I used: 3D Slicer version 5.8 Den…

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## [3D volume from Tomo Set](https://discourse.slicer.org/t/3d-volume-from-tomo-set/45070)

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**Author:** [@jmac](https://discourse.slicer.org/u/jmac)\
**Replies:** 13\
**Last updated:** [December 11, 2025, 8:30pm UTC](https://discourse.slicer.org/t/3d-volume-from-tomo-set/45070 "2025-12-11T20:30:07Z")

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New to slicer via recommendation from colleague. Very nice tool. Trying to see a 3D volume of mouse from a tomosynthesis dataset (height stack of 24 slices). I know its not going to be a perfect 3D dataset but just wan…

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## [Low Framerate streaming NDI Lyra Transforms in Plus Server](https://discourse.slicer.org/t/low-framerate-streaming-ndi-lyra-transforms-in-plus-server/45434)

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**Author:** [@damparm](https://discourse.slicer.org/u/damparm)\
**Replies:** 2\
**Last updated:** [December 11, 2025, 4:19pm UTC](https://discourse.slicer.org/t/low-framerate-streaming-ndi-lyra-transforms-in-plus-server/45434 "2025-12-11T16:19:36Z")

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Hello My project is to track Telemed ultrasound using a recently purchased NDI Polaris Lyra tracker. So far PlusServer connects well with Telemed and the tracker, Images are moving in my Slicer scene. But the refreshme…

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## [Interaction Box for Transforms](https://discourse.slicer.org/t/interaction-box-for-transforms/45436)

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**Author:** [@Jane\_Hand](https://discourse.slicer.org/u/Jane_Hand)\
**Replies:** 2\
**Last updated:** [December 11, 2025, 1:57pm UTC](https://discourse.slicer.org/t/interaction-box-for-transforms/45436 "2025-12-11T13:57:54Z")

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I can’t figure out how to made my interaction display a box to more easily manipulate my models. I updated to 5.10. While I am able to move my models with the object on the screen, it only allows for local manipulatio…

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## [Undo Segment Changes in Extensions: MONAI label and nnInteractive](https://discourse.slicer.org/t/undo-segment-changes-in-extensions-monai-label-and-nninteractive/45427)

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**Author:** [@Deep\_Learning](https://discourse.slicer.org/u/Deep_Learning)\
**Replies:** 4\
**Last updated:** [December 10, 2025, 6:00pm UTC](https://discourse.slicer.org/t/undo-segment-changes-in-extensions-monai-label-and-nninteractive/45427 "2025-12-10T18:00:44Z")

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I am trying to understand the undo behavior when editing a segment by hand in extensions such as MONAI label or nnInteractive. I am talking about using the scissors or largest island in the “segment module” in these ext…

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## [Reconstructing a skull fragment with SSM/PDM](https://discourse.slicer.org/t/reconstructing-a-skull-fragment-with-ssm-pdm/45365)

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**Author:** [@ThomasVanParys](https://discourse.slicer.org/u/ThomasVanParys)\
**Replies:** 28\
**Last updated:** [December 9, 2025, 5:52pm UTC](https://discourse.slicer.org/t/reconstructing-a-skull-fragment-with-ssm-pdm/45365 "2025-12-09T17:52:12Z")

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Hello! I am seeking advice on how to practically reconstruct a skull in order to calculate cranial capacity. The skull is a fragment (missing skull base and some parietal), estimated to be a 4 year old indiviual. I ha…

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## [Totalsegmentator and monai segmentation](https://discourse.slicer.org/t/totalsegmentator-and-monai-segmentation/45090)

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**Author:** [@alex\_He](https://discourse.slicer.org/u/alex_He)\
**Replies:** 14\
**Last updated:** [December 9, 2025, 2:42pm UTC](https://discourse.slicer.org/t/totalsegmentator-and-monai-segmentation/45090 "2025-12-09T14:42:49Z")

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Hi I just updated to ed slicer 5.10.0 but I found that it is not compatible with totalsegmentator 2 and monai. May iknow why

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## [SlicerRT isocenter configuration](https://discourse.slicer.org/t/slicerrt-isocenter-configuration/45122)

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**Author:** [@Mafer\_Calix](https://discourse.slicer.org/u/Mafer_Calix)\
**Replies:** 1\
**Last updated:** [December 9, 2025, 12:19pm UTC](https://discourse.slicer.org/t/slicerrt-isocenter-configuration/45122 "2025-12-09T12:19:28Z")

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Hello. I need to know whether the isocenter for the slicerRT is fixed at 100 cm. Sure, in the software I can edit the isocenter position within the body and the SDD. But I need to know if the beam’s field defined in beam…

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## [How to correctly warp a CCT RTSTRUCT target volume to 4DCT after CCT→4DCT registration?](https://discourse.slicer.org/t/how-to-correctly-warp-a-cct-rtstruct-target-volume-to-4dct-after-cct-4dct-registration/45377)

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**Author:** [@Huoqin\_Zhou](https://discourse.slicer.org/u/Huoqin_Zhou)\
**Replies:** 1\
**Last updated:** [December 9, 2025, 10:00am UTC](https://discourse.slicer.org/t/how-to-correctly-warp-a-cct-rtstruct-target-volume-to-4dct-after-cct-4dct-registration/45377 "2025-12-09T10:00:23Z")

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(Original post deleted upon author’s request to protect private information. -staff)

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## [Upper airway segmentator](https://discourse.slicer.org/t/upper-airway-segmentator/45413)

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**Author:** [@Noha\_Mansour](https://discourse.slicer.org/u/Noha_Mansour)\
**Replies:** 0\
**Last updated:** [December 9, 2025, 6:20am UTC](https://discourse.slicer.org/t/upper-airway-segmentator/45413 "2025-12-09T06:20:44Z")

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Need help with upper airway segmentation, need to just segment the oropharyngeal space only from full skull CBCT dicom & my problems or questions are: \_ can I crop the FOV 1stly to the oro pharyngeal area ? \_ how can I…

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## [Workflow Documentation](https://discourse.slicer.org/t/workflow-documentation/45385)

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**Author:** [@Tair](https://discourse.slicer.org/u/Tair)\
**Replies:** 1\
**Last updated:** [December 9, 2025, 6:12am UTC](https://discourse.slicer.org/t/workflow-documentation/45385 "2025-12-09T06:12:57Z")

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Hellow everyone, I want to know if there is any option to have a file\\note with all the actions that I do while I’m trying to segment an image. For example, if I first did median filter and then threshold… so, I can e…

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## [Creating a heatmap from corresponding points](https://discourse.slicer.org/t/creating-a-heatmap-from-corresponding-points/45397)

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**Author:** [@maas](https://discourse.slicer.org/u/maas)\
**Replies:** 1\
**Last updated:** [December 9, 2025, 2:20am UTC](https://discourse.slicer.org/t/creating-a-heatmap-from-corresponding-points/45397 "2025-12-09T02:20:02Z")

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Hallo! I’m trying to make a heatmap portraying the difference between a pre and post operation radius and ulna. I’ve managed to segment and overlay the bones. however I’m having issues creating the heatmap. When using t…

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## [Slicer ANTs Registration Failing](https://discourse.slicer.org/t/slicer-ants-registration-failing/45373)

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**Author:** [@ThomasVanParys](https://discourse.slicer.org/u/ThomasVanParys)\
**Replies:** 2\
**Last updated:** [December 8, 2025, 8:25pm UTC](https://discourse.slicer.org/t/slicer-ants-registration-failing/45373 "2025-12-08T20:25:43Z")

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Hello! I have tried to register two nrrd. volumes in ‘G:\\Kikopey\_project\\ANTs\_Volumes’ But I have come across this issue, and don’t fully undertsnad how to resolve it: Python 3.12.10 (main, Nov 10 2025, 02:47:38) \[MSC …

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## [New Feature: Independent Multi-Component Volume Rendering](https://discourse.slicer.org/t/new-feature-independent-multi-component-volume-rendering/45356)

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**Author:** [@Sunderlandkyl](https://discourse.slicer.org/u/Sunderlandkyl)\
**Replies:** 3\
**Last updated:** [December 8, 2025, 5:44pm UTC](https://discourse.slicer.org/t/new-feature-independent-multi-component-volume-rendering/45356 "2025-12-08T17:44:25Z")

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3D Slicer can now independently render each component of multi-component volumes (such as 3D color Doppler ultrasound or multispectral microscopy images) in 3D views. A new json-based file format is introduced to store t…

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## [Can not find 3DSlicer 5.9 version in preview releases, where is it available?](https://discourse.slicer.org/t/can-not-find-3dslicer-5-9-version-in-preview-releases-where-is-it-available/45242)

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**Author:** [@MaxVs](https://discourse.slicer.org/u/MaxVs)\
**Replies:** 3\
**Last updated:** [December 6, 2025, 6:35pm UTC](https://discourse.slicer.org/t/can-not-find-3dslicer-5-9-version-in-preview-releases-where-is-it-available/45242 "2025-12-06T18:35:23Z")

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I can not find 3DSlicer 5.9 version to download. Preview releases ends up on 5.8.1 version. There’s missing 5.9, where is it available? Thank you in advance.

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## [Extensions for stable are not building for macos](https://discourse.slicer.org/t/extensions-for-stable-are-not-building-for-macos/45381)

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**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 2\
**Last updated:** [December 6, 2025, 4:51am UTC](https://discourse.slicer.org/t/extensions-for-stable-are-not-building-for-macos/45381 "2025-12-06T04:51:42Z")

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No Mac extensions. Windows and Linux seems fine: @Sam\_Horvath @ebrahim

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## [How can I change HU values into normal range?](https://discourse.slicer.org/t/how-can-i-change-hu-values-into-normal-range/45379)

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**Author:** [@ChrisMak](https://discourse.slicer.org/u/ChrisMak)\
**Replies:** 3\
**Last updated:** [December 5, 2025, 8:00pm UTC](https://discourse.slicer.org/t/how-can-i-change-hu-values-into-normal-range/45379 "2025-12-05T20:00:43Z")

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So, I have a bunch of dental cbct’s that are way too dark to be useful. The source data came from transforming Viewer vol files into nhdr/nrrd, and I’m guessing all calibration (window/level) is gone (or I can’t find it…

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## [Split multiframe dicom to series dicom code problem](https://discourse.slicer.org/t/split-multiframe-dicom-to-series-dicom-code-problem/45374)

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**Author:** [@Berk\_Gezgin](https://discourse.slicer.org/u/Berk_Gezgin)\
**Replies:** 3\
**Last updated:** [December 5, 2025, 2:38pm UTC](https://discourse.slicer.org/t/split-multiframe-dicom-to-series-dicom-code-problem/45374 "2025-12-05T14:38:36Z")

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Hello I wrote the following code. My goal here is to slice a single DICOM file and establish a standard. However, the sliced DICOM does not appear the same as the original DICOM in the slicer program. The positions and …

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## [Please advise - Slicer wiped older dicoms/segmentations when editing other files ](https://discourse.slicer.org/t/please-advise-slicer-wiped-older-dicoms-segmentations-when-editing-other-files/45349)

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**Author:** [@Sus\_Mu](https://discourse.slicer.org/u/Sus_Mu)\
**Replies:** 3\
**Last updated:** [December 5, 2025, 12:05am UTC](https://discourse.slicer.org/t/please-advise-slicer-wiped-older-dicoms-segmentations-when-editing-other-files/45349 "2025-12-05T00:05:52Z")

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I am working on a project with batches of segmentations. Batch A (prepared in October) and Batch B (prepared in November) were saved on my computer, without meaningful backup through TimeMachine or iCloud. I also have a…

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## [Segmentation does not fit into new geometry](https://discourse.slicer.org/t/segmentation-does-not-fit-into-new-geometry/35691)

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**Author:** [@SHMMU](https://discourse.slicer.org/u/SHMMU)\
**Replies:** 5\
**Last updated:** [December 4, 2025, 10:31pm UTC](https://discourse.slicer.org/t/segmentation-does-not-fit-into-new-geometry/35691 "2025-12-04T22:31:08Z")

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I have used total segmentator to aquire liver volume. However, when I go to export the file as NIFTI I get this error message, “the current segmentation does not completely fit into the new geometry. Do you want to cr…

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## [Reload a python module that failed the initialize without restarting Slicer](https://discourse.slicer.org/t/reload-a-python-module-that-failed-the-initialize-without-restarting-slicer/45366)

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**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 1\
**Last updated:** [December 4, 2025, 5:14pm UTC](https://discourse.slicer.org/t/reload-a-python-module-that-failed-the-initialize-without-restarting-slicer/45366 "2025-12-04T17:14:47Z")

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Is there a way to reload a failed module without restarting the slicer? I can’t use the “Reload” button if the module hasn’t successfully initialized…

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## [Purchasing a new workstation - what to look for?](https://discourse.slicer.org/t/purchasing-a-new-workstation-what-to-look-for/1805)

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**Author:** [@losp](https://discourse.slicer.org/u/losp)\
**Replies:** 6\
**Last updated:** [December 4, 2025, 3:44am UTC](https://discourse.slicer.org/t/purchasing-a-new-workstation-what-to-look-for/1805 "2025-12-04T03:44:11Z")

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Hi, Hoping to pick some brains about workstation specs - I’m tasked with purchasing a new one for our lab. We’ll be working with large DICOM data sets (up 2 - 2.5GB). These are full-body scans and we’re planning to do l…

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## [Load vol file into 3D Slicer from Morita machine](https://discourse.slicer.org/t/load-vol-file-into-3d-slicer-from-morita-machine/4815)

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**Author:** [@sgbq](https://discourse.slicer.org/u/sgbq)\
**Replies:** 15\
**Last updated:** [December 4, 2025, 1:19am UTC](https://discourse.slicer.org/t/load-vol-file-into-3d-slicer-from-morita-machine/4815 "2025-12-04T01:19:46Z")

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Hi, I have a volume file named \*.vol from Morita machine. I am trying to convert it into a stl or obj file. It is not supported to be loaded by 3D Slicer right now. Is there any extension available? Or any other way to …

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## [Scene Views Modernization](https://discourse.slicer.org/t/scene-views-modernization/45359)

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**Author:** [@Sunderlandkyl](https://discourse.slicer.org/u/Sunderlandkyl)\
**Replies:** 0\
**Last updated:** [December 3, 2025, 8:47pm UTC](https://discourse.slicer.org/t/scene-views-modernization/45359 "2025-12-03T20:47:43Z")

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What are Scene Views? Scene Views store snapshots of visualization settings of the scene content. By default, the scene view stores the current view layout, camera viewpoint in 3D views, slice position in 2D views, an…

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## [Seeking Assistance/Developers Setting Up Needle Tracking for Intel RealSense Camera](https://discourse.slicer.org/t/seeking-assistance-developers-setting-up-needle-tracking-for-intel-realsense-camera/37988)

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**Author:** [@rsp112](https://discourse.slicer.org/u/rsp112)\
**Replies:** 1\
**Last updated:** [December 3, 2025, 3:33pm UTC](https://discourse.slicer.org/t/seeking-assistance-developers-setting-up-needle-tracking-for-intel-realsense-camera/37988 "2025-12-03T15:33:20Z")

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Hi all! New here. I’m a student working on project whereby a needle must be tracked with a 3D model (of the needle) across different scan views in 3D slicer. I was wondering what modules/add-ons would be needed as well…

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## [Problem Reopening mrml](https://discourse.slicer.org/t/problem-reopening-mrml/45319)

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**Author:** [@acrespo](https://discourse.slicer.org/u/acrespo)\
**Replies:** 2\
**Last updated:** [December 3, 2025, 2:18pm UTC](https://discourse.slicer.org/t/problem-reopening-mrml/45319 "2025-12-03T14:18:38Z")

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Slicer Version: 5.8.1 Macbook Pro with 356 GB available Hello! I am very new to 3DSlicer and forums as a whole. I was hoping for some help as I have run into an issue with reuploading my segmented CT scan. I made sure …

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