# Latest **URL:** https://discourse.slicer.org/latest.md?page=27 [Latest](https://discourse.slicer.org/latest.md) · [Categories](https://discourse.slicer.org/categories.md) · [Tags](https://discourse.slicer.org/tags.md) **Page:** 28 --- ## [Proposal: Install SimpleITK from wheels instead of building from source](https://discourse.slicer.org/t/proposal-install-simpleitk-from-wheels-instead-of-building-from-source/25635)

**Author:** [@jcfr](https://discourse.slicer.org/u/jcfr)\ **Replies:** 4\ **Last updated:** [December 26, 2025, 10:51pm UTC](https://discourse.slicer.org/t/proposal-install-simpleitk-from-wheels-instead-of-building-from-source/25635 "2025-12-26T22:51:55Z")

Now that Slicer PR-6564 adding support for building ITK with a custom namespace has been integrated, installing SimpleITK from wheels should be possible. Pros: Reduced build time by a factor x2 (and probably more on w… --- ## [Convert MRI from DICOM (exported by syngo.via) to NRRD](https://discourse.slicer.org/t/convert-mri-from-dicom-exported-by-syngo-via-to-nrrd/2555)

**Author:** [@Tommaso\_Di\_Noto](https://discourse.slicer.org/u/Tommaso_Di_Noto)\ **Replies:** 28\ **Last updated:** [December 24, 2025, 6:00pm UTC](https://discourse.slicer.org/t/convert-mri-from-dicom-exported-by-syngo-via-to-nrrd/2555 "2025-12-24T18:00:15Z")

Hello everyone! I have a series of MRI cardiac images (more specifically I have the most significant slice for each patient; i.e. one image for each patient). I have extracted all these images with the software Siemens … --- ## [New feature: Support of 5D images and transforms](https://discourse.slicer.org/t/new-feature-support-of-5d-images-and-transforms/45588)

**Author:** [@lassoan](https://discourse.slicer.org/u/lassoan)\ **Replies:** 2\ **Last updated:** [December 23, 2025, 3:22pm UTC](https://discourse.slicer.org/t/new-feature-support-of-5d-images-and-transforms/45588 "2025-12-23T15:22:19Z")

3D Slicer has expanded its capabilities to support reading and writing images, image sequences, and transform sequences with dimensionality up to 5D. This is a significant enhancement that enables users to work with larg… --- ## [Coronaries Calcification](https://discourse.slicer.org/t/coronaries-calcification/19246)

**Author:** [@Elias\_Karabelas](https://discourse.slicer.org/u/Elias_Karabelas)\ **Replies:** 15\ **Last updated:** [December 23, 2025, 7:53am UTC](https://discourse.slicer.org/t/coronaries-calcification/19246 "2025-12-23T07:53:03Z")

Dear Team, I managed to segment an aorta and a coronary tree with VMTK and Slicer. However for my case I would also like to extract calcifications present in the coronaries. I managed to threshold the calcifications, bu… --- ## [The GUI of Slicer 5.10.0 seems to be unexpectedly scaled.](https://discourse.slicer.org/t/the-gui-of-slicer-5-10-0-seems-to-be-unexpectedly-scaled/45582)

**Author:** [@20zzyw](https://discourse.slicer.org/u/20zzyw)\ **Replies:** 1\ **Last updated:** [December 22, 2025, 4:42pm UTC](https://discourse.slicer.org/t/the-gui-of-slicer-5-10-0-seems-to-be-unexpectedly-scaled/45582 "2025-12-22T16:42:42Z")

Problem report for 3D Slicer 5.10.0 win-amd64: Hi! As I upgrade my Slicer from 5.8.2 to 5.10, everything on the GUI look giant, but only font could be adjusted in Application Settings. Could you please tell me is there … --- ## [No meeting this week (Dec 23rd)](https://discourse.slicer.org/t/no-meeting-this-week-dec-23rd/45586)

**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\ **Replies:** 0\ **Last updated:** [December 22, 2025, 2:51pm UTC](https://discourse.slicer.org/t/no-meeting-this-week-dec-23rd/45586 "2025-12-22T14:51:12Z")

Enjoy the holidays! Thanks. Sam, Ebrahim and the rest of the Slicer dev team --- ## [No PW Meeting this (Dec 23rd)](https://discourse.slicer.org/t/no-pw-meeting-this-dec-23rd/45585)

**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\ **Replies:** 0\ **Last updated:** [December 22, 2025, 2:49pm UTC](https://discourse.slicer.org/t/no-pw-meeting-this-dec-23rd/45585 "2025-12-22T14:49:51Z")

Enjoy the holidays! – The PW organizing committee: Tina Kapur, Simon Drouin, Rafael Palomar, Sam Horvath, Theodore Aptekarev --- ## [How to measure vessel diameter](https://discourse.slicer.org/t/how-to-measure-vessel-diameter/13713)

**Author:** [@Hamid](https://discourse.slicer.org/u/Hamid)\ **Replies:** 6\ **Last updated:** [December 22, 2025, 12:37am UTC](https://discourse.slicer.org/t/how-to-measure-vessel-diameter/13713 "2025-12-22T00:37:44Z")

I need to measure the diameters of vessels(Descending aorta and 3 vertebral arteries) in my segmented model.How can I do that?Do I need any Extension? --- ## [Removal of Lightbox Mode](https://discourse.slicer.org/t/removal-of-lightbox-mode/45227)

**Author:** [@dokay1](https://discourse.slicer.org/u/dokay1)\ **Replies:** 3\ **Last updated:** [December 21, 2025, 8:20pm UTC](https://discourse.slicer.org/t/removal-of-lightbox-mode/45227 "2025-12-21T20:20:00Z")

I’ve just installed Version 5.10.0 to realize that Lightbox view was removed. While I understand that many don’t use it, it was the single most helpful image review setting. It allows one to review and compare thick sli… --- ## [Segmentation tooth in jaw](https://discourse.slicer.org/t/segmentation-tooth-in-jaw/45550)

**Author:** [@Dr.Hunz](https://discourse.slicer.org/u/Dr.Hunz)\ **Replies:** 1\ **Last updated:** [December 21, 2025, 1:11pm UTC](https://discourse.slicer.org/t/segmentation-tooth-in-jaw/45550 "2025-12-21T13:11:40Z")

I need to help about segment the tooth in Jaw file STL. Please help me, thank youuuu so much. --- ## [CTA Willis registration failure](https://discourse.slicer.org/t/cta-willis-registration-failure/45470)

**Author:** [@Peter\_Jan](https://discourse.slicer.org/u/Peter_Jan)\ **Replies:** 12\ **Last updated:** [December 20, 2025, 8:27am UTC](https://discourse.slicer.org/t/cta-willis-registration-failure/45470 "2025-12-20T08:27:00Z")

Hello everyone, my goal is to register CTA Circle of Willis examinations of two patients acquired with a 4-year interval, using the skull as a reference, in order to evaluate changes in the position of the arterial tree… --- ## [Margin effect altering multiple segments at once](https://discourse.slicer.org/t/margin-effect-altering-multiple-segments-at-once/45554)

**Author:** [@parmidajafarian](https://discourse.slicer.org/u/parmidajafarian)\ **Replies:** 3\ **Last updated:** [December 20, 2025, 5:58am UTC](https://discourse.slicer.org/t/margin-effect-altering-multiple-segments-at-once/45554 "2025-12-20T05:58:17Z")

Hi everyone, I’m running into a problem while trying to use the margin effect in the segment editor. My goal is to create a shrunken copy of a Brain segment for CSF segmentation without altering the original Brain segme… --- ## [Apply filters to a CT scan to deal with high-contrast elements](https://discourse.slicer.org/t/apply-filters-to-a-ct-scan-to-deal-with-high-contrast-elements/45561)

**Author:** [@Francesca\_Parrotta](https://discourse.slicer.org/u/Francesca_Parrotta)\ **Replies:** 1\ **Last updated:** [December 19, 2025, 10:59pm UTC](https://discourse.slicer.org/t/apply-filters-to-a-ct-scan-to-deal-with-high-contrast-elements/45561 "2025-12-19T22:59:13Z")

Good morning everyone, I am workin with CT scans as the one attached (I am attaching just one slice of the CT). My objective is to recognize and segment all the different layers in the scanned structure. As you can see,… --- ## [Process to Import an STL File and Convert/Export a Series of DICOM Files?](https://discourse.slicer.org/t/process-to-import-an-stl-file-and-convert-export-a-series-of-dicom-files/9906)

**Author:** [@aleesdesigner](https://discourse.slicer.org/u/aleesdesigner)\ **Replies:** 19\ **Last updated:** [December 19, 2025, 7:38pm UTC](https://discourse.slicer.org/t/process-to-import-an-stl-file-and-convert-export-a-series-of-dicom-files/9906 "2025-12-19T19:38:26Z")

Hi, I’m hoping someone can help with a workflow to import an STL file into Slicer, convert it to a series of DICOM files and export those DICOM files. I’ve checked other forums and can’t find anything that gives a step-… --- ## [Apply filters to a CT scan to deal with high-contrast elements](https://discourse.slicer.org/t/apply-filters-to-a-ct-scan-to-deal-with-high-contrast-elements/45560)

**Author:** [@Francesca\_Parrotta](https://discourse.slicer.org/u/Francesca_Parrotta)\ **Replies:** 0\ **Last updated:** [December 19, 2025, 12:49pm UTC](https://discourse.slicer.org/t/apply-filters-to-a-ct-scan-to-deal-with-high-contrast-elements/45560 "2025-12-19T12:49:15Z")

Good morning everyone, I am workin with CT scans as the one attached (I am attaching just one slice of the CT). My objective is to recognize and segment all the different layers in the scanned structure. As you can see,… --- ## [Clarification on Segment Statistics: Surface Area vs. Cross-Sectional Area (CSA) for Muscle Analysis](https://discourse.slicer.org/t/clarification-on-segment-statistics-surface-area-vs-cross-sectional-area-csa-for-muscle-analysis/45558)

**Author:** [@GaetanoGazze](https://discourse.slicer.org/u/GaetanoGazze)\ **Replies:** 0\ **Last updated:** [December 19, 2025, 12:48pm UTC](https://discourse.slicer.org/t/clarification-on-segment-statistics-surface-area-vs-cross-sectional-area-csa-for-muscle-analysis/45558 "2025-12-19T12:48:57Z")

Hi everyone, I am performing a quantitative body composition analysis on single-slice CT scans (at the D10 level) using the Segment Statistics module in 3D Slicer. I would like to clarify a methodological doubt to ensur… --- ## [2D cine not playing when converted to nifti from dicom](https://discourse.slicer.org/t/2d-cine-not-playing-when-converted-to-nifti-from-dicom/45557)

**Author:** [@Nshehata](https://discourse.slicer.org/u/Nshehata)\ **Replies:** 0\ **Last updated:** [December 19, 2025, 12:48pm UTC](https://discourse.slicer.org/t/2d-cine-not-playing-when-converted-to-nifti-from-dicom/45557 "2025-12-19T12:48:44Z")

Operating system: Linux also MacOS Slicer version: 5.8.1 Expected behavior: Play button to be enabled when importing as DICOM Actual behavior: Play button disabled and fixed on one slice only I thought maybe the prob… --- ## [2D cine not playing when converted to nifti from dicom](https://discourse.slicer.org/t/2d-cine-not-playing-when-converted-to-nifti-from-dicom/45555)

Operating system: Linux also MacOS Slicer version: 5.8.1 Expected behavior: Play button to be enabled when importing as DICOM Actual behavior: Play button disabled and fixed on one slice only I thought maybe the prob… --- ## [Is there an existing trame-slicer docker image?](https://discourse.slicer.org/t/is-there-an-existing-trame-slicer-docker-image/45481)

**Author:** [@rlhisey](https://discourse.slicer.org/u/rlhisey)\ **Replies:** 4\ **Last updated:** [December 19, 2025, 7:07am UTC](https://discourse.slicer.org/t/is-there-an-existing-trame-slicer-docker-image/45481 "2025-12-19T07:07:20Z")

Hi, I’m looking for a way to create a basic Slicer application on the web using trame-slicer. Ideally, I think I’d like to run it in a docker container to make it somewhat portable. Is there an existing, recommended dock… --- ## [How to suppress the Window not responding - force quit/wait error message in ubuntu?](https://discourse.slicer.org/t/how-to-suppress-the-window-not-responding-force-quit-wait-error-message-in-ubuntu/45516)

**Author:** [@Victor\_Wayne](https://discourse.slicer.org/u/Victor_Wayne)\ **Replies:** 5\ **Last updated:** [December 18, 2025, 11:06pm UTC](https://discourse.slicer.org/t/how-to-suppress-the-window-not-responding-force-quit-wait-error-message-in-ubuntu/45516 "2025-12-18T23:06:05Z")

Hello, In my extension I need to add a particular number of segmentation nodes that are ellipsoidal to the scene. After adding I am transforming them to a particular point one by one. But when the number of segmentatio… --- ## [Unable to load multi-volume (4D) Nifti data](https://discourse.slicer.org/t/unable-to-load-multi-volume-4d-nifti-data/1322)

**Author:** [@atbauman](https://discourse.slicer.org/u/atbauman)\ **Replies:** 3\ **Last updated:** [December 18, 2025, 8:59pm UTC](https://discourse.slicer.org/t/unable-to-load-multi-volume-4d-nifti-data/1322 "2025-12-18T20:59:20Z")

I am very new to Slicer, so I apologize for my ignorance. When I load 4D data into slicer, it is not detecting multiple volumes, it only shows the first volume. Is there any setup that needs to be done prior to loading i… --- ## [Severe 3D Rendering Slowdown with Many Segmentation Nodes — Can Slicer Offload Work from GPU to CPU?](https://discourse.slicer.org/t/severe-3d-rendering-slowdown-with-many-segmentation-nodes-can-slicer-offload-work-from-gpu-to-cpu/45432)

**Author:** [@Victor\_Wayne](https://discourse.slicer.org/u/Victor_Wayne)\ **Replies:** 2\ **Last updated:** [December 18, 2025, 4:05am UTC](https://discourse.slicer.org/t/severe-3d-rendering-slowdown-with-many-segmentation-nodes-can-slicer-offload-work-from-gpu-to-cpu/45432 "2025-12-18T04:05:20Z")

Hello, In my 3D slicer extenstion the frame rate of the 3D volume renderer drops significantly as I add more and more segmentation node. As the segmentation nodes increas even the UI becomes very very slow. When testing… --- ## [Programmer wanted for Registration workflow Development](https://discourse.slicer.org/t/programmer-wanted-for-registration-workflow-development/39995)

**Author:** [@drvarunagarwal](https://discourse.slicer.org/u/drvarunagarwal)\ **Replies:** 3\ **Last updated:** [December 18, 2025, 3:26am UTC](https://discourse.slicer.org/t/programmer-wanted-for-registration-workflow-development/39995 "2025-12-18T03:26:31Z")

Hello all, We are looking for a freelancer or dedicated programmer for our slicer based navigation system development. Currently we require to implement the following task: The task: We need to implement a new Regist… --- ## [V5.10 crash on startup (Splash Screen)](https://discourse.slicer.org/t/v5-10-crash-on-startup-splash-screen/45515)

**Author:** [@GaryPlayer](https://discourse.slicer.org/u/GaryPlayer)\ **Replies:** 9\ **Last updated:** [December 18, 2025, 12:01am UTC](https://discourse.slicer.org/t/v5-10-crash-on-startup-splash-screen/45515 "2025-12-18T00:01:12Z")

I have a grader that when starting slicer, gets the splash screen and then nothing. (Windows 11) We uninstalled, reinstalled, upgraded to 5.10 Tried to reinstall in a simple directory (no spaces) I tried to run the –… --- ## [Export segmentation to Osirix](https://discourse.slicer.org/t/export-segmentation-to-osirix/19646)

**Author:** [@melindamareesmith](https://discourse.slicer.org/u/melindamareesmith)\ **Replies:** 16\ **Last updated:** [December 17, 2025, 10:08pm UTC](https://discourse.slicer.org/t/export-segmentation-to-osirix/19646 "2025-12-17T22:08:46Z")

Hello, I am trying to combine datasets that measure muscle size from MRI with a colleague. I have segmented muscles in 3D Slicer, my colleague has segmented muscles in Osirix. Osirix seems limited in ability to export … --- ## [Segment Editor shortcurts does not work](https://discourse.slicer.org/t/segment-editor-shortcurts-does-not-work/35303)

**Author:** [@SANTIAGO\_PENDON\_MING](https://discourse.slicer.org/u/SANTIAGO_PENDON_MING)\ **Replies:** 2\ **Last updated:** [December 17, 2025, 6:53am UTC](https://discourse.slicer.org/t/segment-editor-shortcurts-does-not-work/35303 "2025-12-17T06:53:37Z")

Hi to everyone :slight\_smile: Today I’m looking for the command to activate and deactivate the segment Editor shortcuts using Python code. The shortcuts sometimes works correctly and then, in the same conditions if I op… --- ## [Slicer Build Environment Upgraded to \`qt5-almalinux8-gcc14\`](https://discourse.slicer.org/t/slicer-build-environment-upgraded-to-qt5-almalinux8-gcc14/43802)

**Author:** [@jcfr](https://discourse.slicer.org/u/jcfr)\ **Replies:** 12\ **Last updated:** [December 16, 2025, 4:05pm UTC](https://discourse.slicer.org/t/slicer-build-environment-upgraded-to-qt5-almalinux8-gcc14/43802 "2025-12-16T16:05:20Z")

The build environment used for generating Slicer Preview and its extensions has been upgraded from qt5-centos7-gcc7 to qt5-almalinux8-gcc14. This update brings improved C++ standards support, better compatibility with m… --- ## [Problems with certain buttons in the edited segment of a custom slicer!!!!!](https://discourse.slicer.org/t/problems-with-certain-buttons-in-the-edited-segment-of-a-custom-slicer/45513)

**Author:** [@GiorgioSimonetto](https://discourse.slicer.org/u/GiorgioSimonetto)\ **Replies:** 0\ **Last updated:** [December 16, 2025, 3:59pm UTC](https://discourse.slicer.org/t/problems-with-certain-buttons-in-the-edited-segment-of-a-custom-slicer/45513 "2025-12-16T15:59:51Z")

Hello. I am Giorgio, a biomedical engineering student in Verona, and I am working with 3D Slicer for an internship. My task is to create a custom Slicer application. I am trying to integrate the Segment Editor window in… --- ## [High RMS error during pivot calibration with Vicon/Qualisys](https://discourse.slicer.org/t/high-rms-error-during-pivot-calibration-with-vicon-qualisys/45443)

**Author:** [@AurelieS](https://discourse.slicer.org/u/AurelieS)\ **Replies:** 6\ **Last updated:** [December 16, 2025, 12:01pm UTC](https://discourse.slicer.org/t/high-rms-error-during-pivot-calibration-with-vicon-qualisys/45443 "2025-12-16T12:01:10Z")

Dear Slicer team, We succeeded in integrating live Qualisys and VICON data into Slicer using IGT (I will go back to you for this code and integration). However during the pivot calibration of the stylus using the Quali… --- ## [Mouse movement causes screen flickering in 2D views after using slicer.modules.segmentations.logic().ImportLabelmapToSegmentationNodeWithTerminology()](https://discourse.slicer.org/t/mouse-movement-causes-screen-flickering-in-2d-views-after-using-slicer-modules-segmentations-logic-importlabelmaptosegmentationnodewithterminology/44030)

**Author:** [@baderstine](https://discourse.slicer.org/u/baderstine)\ **Replies:** 6\ **Last updated:** [December 16, 2025, 9:40am UTC](https://discourse.slicer.org/t/mouse-movement-causes-screen-flickering-in-2d-views-after-using-slicer-modules-segmentations-logic-importlabelmaptosegmentationnodewithterminology/44030 "2025-12-16T09:40:59Z")

When I add a node using slicer.modules.segmentations.logic().ImportLabelmapToSegmentationNode() everything is normal. However, when I use slicer.modules.segmentations.logic().ImportLabelmapToSegmentationNodeWithTerminolo… [Previous page](https://discourse.slicer.org/latest.md?page=26) [Next page](https://discourse.slicer.org/latest.md?page=28)