# Support

**URL:** https://discourse.slicer.org/c/support/11.md?no_subcategories=false&page=48

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

**Page:** 49

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## [Calculating Sharpness of a point](https://discourse.slicer.org/t/calculating-sharpness-of-a-point/42097)

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**Author:** [@evergarden](https://discourse.slicer.org/u/evergarden)\
**Replies:** 0\
**Last updated:** [March 12, 2025, 8:14pm UTC](https://discourse.slicer.org/t/calculating-sharpness-of-a-point/42097 "2025-03-12T20:14:28Z")

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Hello all! We were measuring some of the morphometrics of a stingray barb, something that we wanted to find was the sharpness of the tip of the barb, is there any module or plug in to help with this? Considering writing…

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## [Reset views orientation to default](https://discourse.slicer.org/t/reset-views-orientation-to-default/42088)

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**Author:** [@mohammed\_alshakhas](https://discourse.slicer.org/u/mohammed_alshakhas)\
**Replies:** 0\
**Last updated:** [March 12, 2025, 12:02pm UTC](https://discourse.slicer.org/t/reset-views-orientation-to-default/42088 "2025-03-12T12:02:21Z")

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is there a quick way to reset views orientation to default in all views sagittla coronal axial at once , like one button or shortcut ? thanks

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## [Percentage of Manual Segmentations](https://discourse.slicer.org/t/percentage-of-manual-segmentations/42080)

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**Author:** [@MariaGraf](https://discourse.slicer.org/u/MariaGraf)\
**Replies:** 0\
**Last updated:** [March 12, 2025, 1:21am UTC](https://discourse.slicer.org/t/percentage-of-manual-segmentations/42080 "2025-03-12T01:21:28Z")

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Is there a way to get the percentage of manual segmentations with the “paint” or “draw” option in the Segment Editor Module after using the “fill between slices”? I’m working on a reliability study and the goal is to man…

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## [Totalsegmentator results look bricky](https://discourse.slicer.org/t/totalsegmentator-results-look-bricky/42075)

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**Author:** [@puck147](https://discourse.slicer.org/u/puck147)\
**Replies:** 1\
**Last updated:** [March 11, 2025, 5:27pm UTC](https://discourse.slicer.org/t/totalsegmentator-results-look-bricky/42075 "2025-03-11T17:27:05Z")

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I would like to use Totalsegmentator to automatically segment the aorta from a CT scan of a baby. However, the results look very bricky. How can I improve the quality and reduce the pixelsize? Slicer version: 5.8.0

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## [Flickering Issues on Ubuntu 24.04](https://discourse.slicer.org/t/flickering-issues-on-ubuntu-24-04/40678)

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**Author:** [@Kulizoop](https://discourse.slicer.org/u/Kulizoop)\
**Replies:** 5\
**Last updated:** [March 11, 2025, 2:12pm UTC](https://discourse.slicer.org/t/flickering-issues-on-ubuntu-24-04/40678 "2025-03-11T14:12:14Z")

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Dear Community, I upgraded from Ubuntu 22.04 to 24.04 and since then, Slicer is constantly flickering when using it. Does anybody else experience the same issues or knows where this might come from? I use 5.7 bu…

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## [Revisiting Rigid Mesh Registration](https://discourse.slicer.org/t/revisiting-rigid-mesh-registration/9424)

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**Author:** [@manjula](https://discourse.slicer.org/u/manjula)\
**Replies:** 20\
**Last updated:** [March 11, 2025, 12:48pm UTC](https://discourse.slicer.org/t/revisiting-rigid-mesh-registration/9424 "2025-03-11T12:48:46Z")

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I first posted the problem few months back and Prof: Lassoan help me with it. Now i have had time to read about this topic and play around I would like to have a better understanding of the problem as i am not 100% happy…

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## [Partial Surface Registration Tutorial](https://discourse.slicer.org/t/partial-surface-registration-tutorial/21118)

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**Author:** [@mau\_igna\_06](https://discourse.slicer.org/u/mau_igna_06)\
**Replies:** 5\
**Last updated:** [March 11, 2025, 12:42pm UTC](https://discourse.slicer.org/t/partial-surface-registration-tutorial/21118 "2025-03-11T12:42:24Z")

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Hi devs. I have made a tutorial for Partial Surface Registration, something similar to weight-painting ICP that is done in Blender. Here you can access it: If there are no suggestions for corrections I’ll later uploa…

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## [Help with Custom Slicer Build – Which Solution File (.sln) to Use in Visual Studio?](https://discourse.slicer.org/t/help-with-custom-slicer-build-which-solution-file-sln-to-use-in-visual-studio/42062)

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**Author:** [@software](https://discourse.slicer.org/u/software)\
**Replies:** 3\
**Last updated:** [March 11, 2025, 10:04am UTC](https://discourse.slicer.org/t/help-with-custom-slicer-build-which-solution-file-sln-to-use-in-visual-studio/42062 "2025-03-11T10:04:49Z")

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I have built a custom template of Kitware in Release mode using CMake GUI with the following directories: Source code: E:/Safe Binary build: E:/Safe/build After configuring and generating the project, the build was su…

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## [Unable to load landmark points from DICOM Surface Segmentation created by BrainLab Origin](https://discourse.slicer.org/t/unable-to-load-landmark-points-from-dicom-surface-segmentation-created-by-brainlab-origin/41971)

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**Author:** [@Arber\_Demi](https://discourse.slicer.org/u/Arber_Demi)\
**Replies:** 11\
**Last updated:** [March 11, 2025, 9:32am UTC](https://discourse.slicer.org/t/unable-to-load-landmark-points-from-dicom-surface-segmentation-created-by-brainlab-origin/41971 "2025-03-11T09:32:51Z")

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Hello everyone, I’m trying to load some DICOM segmentation file, similar to “Unable to load DICOM segmentation file”. I am running into the same issue of not being able to load these files. The files do have reference i…

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## [Sequence Registration - problem with menu](https://discourse.slicer.org/t/sequence-registration-problem-with-menu/41294)

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**Author:** [@eNable\_Polska](https://discourse.slicer.org/u/eNable_Polska)\
**Replies:** 5\
**Last updated:** [March 11, 2025, 1:09am UTC](https://discourse.slicer.org/t/sequence-registration-problem-with-menu/41294 "2025-03-11T01:09:55Z")

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Hello I came across a problem that I can’t solve. I have a sequential angioCT scan. I would like to make a 4D animation based on this scan. I found a tutorial https://youtu.be/qVgXdXEEVFU?si=ODlaC4UDf2wQ3bCW up to 0:56…

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## [Exporting markups data as a csv ](https://discourse.slicer.org/t/exporting-markups-data-as-a-csv/41849)

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**Author:** [@evergarden](https://discourse.slicer.org/u/evergarden)\
**Replies:** 6\
**Last updated:** [March 10, 2025, 6:30pm UTC](https://discourse.slicer.org/t/exporting-markups-data-as-a-csv/41849 "2025-03-10T18:30:52Z")

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I’m having issues exporting data as a csv, I created all the markups and nodes I wanted to collected and couldn’t seem to export any of the data as a csv successfully. I would often get csv’s with random numbers or incom…

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## [Extension Catalogue search improvements](https://discourse.slicer.org/t/extension-catalogue-search-improvements/42046)

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**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 1\
**Last updated:** [March 10, 2025, 5:51am UTC](https://discourse.slicer.org/t/extension-catalogue-search-improvements/42046 "2025-03-10T05:51:16Z")

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During the discussions of a new extension, it become clear that extension catalogue naming conventions are too restrictive. For example, an extension name cannot have spaces, since the label name is also used for project…

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## [No selection in the Preset of Volume Rendering](https://discourse.slicer.org/t/no-selection-in-the-preset-of-volume-rendering/42038)

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**Author:** [@slicer365](https://discourse.slicer.org/u/slicer365)\
**Replies:** 1\
**Last updated:** [March 10, 2025, 1:00am UTC](https://discourse.slicer.org/t/no-selection-in-the-preset-of-volume-rendering/42038 "2025-03-10T01:00:32Z")

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Version: Windows Slicer 5.8.1

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## [Error after installing VMTK extension: "vtkvmtk module is not loaded"](https://discourse.slicer.org/t/error-after-installing-vmtk-extension-vtkvmtk-module-is-not-loaded/42008)

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**Author:** [@feiyu](https://discourse.slicer.org/u/feiyu)\
**Replies:** 9\
**Last updated:** [March 9, 2025, 3:54am UTC](https://discourse.slicer.org/t/error-after-installing-vmtk-extension-vtkvmtk-module-is-not-loaded/42008 "2025-03-09T03:54:20Z")

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I tried to use the VMTK extension for vessel segmentation, but I can’t find it in the Modules. However, I can see that the latest version of VMTK has been downloaded in the extension manager. Can anyone help me with this…

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## [Coronal view and the number of images that compose it](https://discourse.slicer.org/t/coronal-view-and-the-number-of-images-that-compose-it/42026)

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**Author:** [@Joel1424](https://discourse.slicer.org/u/Joel1424)\
**Replies:** 1\
**Last updated:** [March 8, 2025, 3:28pm UTC](https://discourse.slicer.org/t/coronal-view-and-the-number-of-images-that-compose-it/42026 "2025-03-08T15:28:12Z")

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How can you know the number of images that make up the coronal view?

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## [Slicer 5.8.0, why not change the segment name just in the place by double click without popup](https://discourse.slicer.org/t/slicer-5-8-0-why-not-change-the-segment-name-just-in-the-place-by-double-click-without-popup/41984)

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**Author:** [@hepato](https://discourse.slicer.org/u/hepato)\
**Replies:** 2\
**Last updated:** [March 8, 2025, 11:32am UTC](https://discourse.slicer.org/t/slicer-5-8-0-why-not-change-the-segment-name-just-in-the-place-by-double-click-without-popup/41984 "2025-03-08T11:32:01Z")

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## [CT and MRi fusion images for maxillofacial region ](https://discourse.slicer.org/t/ct-and-mri-fusion-images-for-maxillofacial-region/42028)

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**Author:** [@Subodh\_Sontakke](https://discourse.slicer.org/u/Subodh_Sontakke)\
**Replies:** 0\
**Last updated:** [March 8, 2025, 12:50am UTC](https://discourse.slicer.org/t/ct-and-mri-fusion-images-for-maxillofacial-region/42028 "2025-03-08T00:50:51Z")

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how this fusion images can be used in maxillofacial region and guide the process

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## [Pet/CT Scan DICOM files show "Reference image in series does not contain geometry information" error](https://discourse.slicer.org/t/pet-ct-scan-dicom-files-show-reference-image-in-series-does-not-contain-geometry-information-error/42027)

<div class="topic-metadata">

**Author:** [@neutronstar](https://discourse.slicer.org/u/neutronstar)\
**Replies:** 1\
**Last updated:** [March 8, 2025, 12:50am UTC](https://discourse.slicer.org/t/pet-ct-scan-dicom-files-show-reference-image-in-series-does-not-contain-geometry-information-error/42027 "2025-03-08T00:50:39Z")

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Hi! I’m sorry I’m very new to 3d Slicer. I’m trying to 3d print one of my organs from my pet/ct scan. When I upload it to 3d slicer I can see the results, but I can’t see the 3d model. What should I do to fix this iss…

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## [Feedback on custom color table creation](https://discourse.slicer.org/t/feedback-on-custom-color-table-creation/41963)

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**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 16\
**Last updated:** [March 7, 2025, 10:10pm UTC](https://discourse.slicer.org/t/feedback-on-custom-color-table-creation/41963 "2025-03-07T22:10:07Z")

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I am reviewing the newly integrated functionality. Everything seems to work well, but I think we need some clarification and some minor functionality tweak. When I am creating my own custom color table with terminologi…

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## [Segmentation disappearing](https://discourse.slicer.org/t/segmentation-disappearing/42020)

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**Author:** [@pboarantes](https://discourse.slicer.org/u/pboarantes)\
**Replies:** 1\
**Last updated:** [March 7, 2025, 7:45pm UTC](https://discourse.slicer.org/t/segmentation-disappearing/42020 "2025-03-07T19:45:57Z")

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Hello everyone, Today, while using 3D Slicer version 5.8.0, I utilized the TotalSegmentator to create a model. Despite it initially being visible, the entire segmentation suddenly disappeared from the 3D view as well as…

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## [Aortic Dissection Segmentation](https://discourse.slicer.org/t/aortic-dissection-segmentation/41999)

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**Author:** [@Akshay\_Bal](https://discourse.slicer.org/u/Akshay_Bal)\
**Replies:** 1\
**Last updated:** [March 7, 2025, 3:50pm UTC](https://discourse.slicer.org/t/aortic-dissection-segmentation/41999 "2025-03-07T15:50:34Z")

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Hello, I am new to the segmentation world, and want to see how well slicer could be used in acute settings for aortic dissections. I was wondering what is the best way to show the false lumen/true lumen. For example, my…

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## [How to save the image after add DICOM attribute](https://discourse.slicer.org/t/how-to-save-the-image-after-add-dicom-attribute/42009)

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**Author:** [@akmal871026](https://discourse.slicer.org/u/akmal871026)\
**Replies:** 1\
**Last updated:** [March 7, 2025, 3:45pm UTC](https://discourse.slicer.org/t/how-to-save-the-image-after-add-dicom-attribute/42009 "2025-03-07T15:45:49Z")

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Dear all, I was add some DICOM attribute in my image as picture attached. Do you know how to save it in image. Because when I try export image, then I open again, all the DICOM attribute was lost. Thank you.

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## [Help with alignment of Frankfurt Plane](https://discourse.slicer.org/t/help-with-alignment-of-frankfurt-plane/42013)

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**Author:** [@elijahlee](https://discourse.slicer.org/u/elijahlee)\
**Replies:** 0\
**Last updated:** [March 7, 2025, 9:24am UTC](https://discourse.slicer.org/t/help-with-alignment-of-frankfurt-plane/42013 "2025-03-07T09:24:02Z")

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Hello, everyone. I’m afraid I’m new to 3D Slicer and Python. I am currently working on analyzing sexual dimorphism using laser scanned STL format models without DICOM data. Before operating morphological analysis, I fo…

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## [Lost Segmentation from Computer Update](https://discourse.slicer.org/t/lost-segmentation-from-computer-update/42001)

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**Author:** [@amelia.eastham](https://discourse.slicer.org/u/amelia.eastham)\
**Replies:** 3\
**Last updated:** [March 7, 2025, 4:01am UTC](https://discourse.slicer.org/t/lost-segmentation-from-computer-update/42001 "2025-03-07T04:01:50Z")

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Hi everyone, After my computer installed a software update last night, I opened 3D Slicer this morning and found that none of my segmentation data had been saved. This data represents weeks of work, so I’m hoping there’…

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## [Threshold disappearing after clicking apply.](https://discourse.slicer.org/t/threshold-disappearing-after-clicking-apply/42003)

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**Author:** [@Victoria\_Effanga](https://discourse.slicer.org/u/Victoria_Effanga)\
**Replies:** 1\
**Last updated:** [March 7, 2025, 3:52am UTC](https://discourse.slicer.org/t/threshold-disappearing-after-clicking-apply/42003 "2025-03-07T03:52:15Z")

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How can I fix the issue where my threshold disappears after applying it in version 5.8.0?

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## [Automatic or semi-automatic tools on 3D Slicer for Head and Neck CT images, especially for larynx or segmenting laryngeal cartilages. ](https://discourse.slicer.org/t/automatic-or-semi-automatic-tools-on-3d-slicer-for-head-and-neck-ct-images-especially-for-larynx-or-segmenting-laryngeal-cartilages/41998)

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**Author:** [@drnivearoy](https://discourse.slicer.org/u/drnivearoy)\
**Replies:** 0\
**Last updated:** [March 7, 2025, 3:41am UTC](https://discourse.slicer.org/t/automatic-or-semi-automatic-tools-on-3d-slicer-for-head-and-neck-ct-images-especially-for-larynx-or-segmenting-laryngeal-cartilages/41998 "2025-03-07T03:41:57Z")

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Hi, I want to know if there is any automatic or semi-automatic tool available on 3D Slicer for Head and Neck CT images, especially for larynx or segmenting laryngeal cartilages. Thank you.

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## [Guidance on Bone and Bone Marrow Segmentation in CT Images](https://discourse.slicer.org/t/guidance-on-bone-and-bone-marrow-segmentation-in-ct-images/41997)

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**Author:** [@GuilleCC103](https://discourse.slicer.org/u/GuilleCC103)\
**Replies:** 0\
**Last updated:** [March 7, 2025, 3:41am UTC](https://discourse.slicer.org/t/guidance-on-bone-and-bone-marrow-segmentation-in-ct-images/41997 "2025-03-07T03:41:46Z")

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Hello, I am working on segmenting bone marrow from CT images and I am interested in using TotalSegmentator for this task. Ideally, I would like to find a model for bone marrow segmentation. However, if there is no speci…

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## [New Feature: Generalized Clipping](https://discourse.slicer.org/t/new-feature-generalized-clipping/41994)

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**Author:** [@Sunderlandkyl](https://discourse.slicer.org/u/Sunderlandkyl)\
**Replies:** 0\
**Last updated:** [March 6, 2025, 11:46pm UTC](https://discourse.slicer.org/t/new-feature-generalized-clipping/41994 "2025-03-06T23:46:37Z")

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In the latest preview and stable release, it is now possible to apply clipping to the visualization of models, segmentations, and volume rendering using slice view planes or markup planes or ROI boxes. Clipping options …

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## [How to generate transform at Elastix rigid registration](https://discourse.slicer.org/t/how-to-generate-transform-at-elastix-rigid-registration/40955)

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**Author:** [@Jason\_chen](https://discourse.slicer.org/u/Jason_chen)\
**Replies:** 4\
**Last updated:** [March 6, 2025, 8:07pm UTC](https://discourse.slicer.org/t/how-to-generate-transform-at-elastix-rigid-registration/40955 "2025-03-06T20:07:16Z")

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Hi, I am using 3D slicer to register a CT volume into MR volume and transform node labels on CT into MR coordinates. Through Elastix in 3D slicer I can do the registration and output the transform to do the job, which i…

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## [Abnormal output of Extended Analysis results in Lung CT Analyzer](https://discourse.slicer.org/t/abnormal-output-of-extended-analysis-results-in-lung-ct-analyzer/41795)

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**Author:** [@yhty1898](https://discourse.slicer.org/u/yhty1898)\
**Replies:** 1\
**Last updated:** [March 6, 2025, 5:19pm UTC](https://discourse.slicer.org/t/abnormal-output-of-extended-analysis-results-in-lung-ct-analyzer/41795 "2025-03-06T17:19:38Z")

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Excuse me! I’m encountering an issue with the Lung CT Analyzer module in 3D Slicer. After running the analysis, the Volumetric Analysis (Table 1) contains data, but the Extended Analysis (Table 2) is completely empty, sh…

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