# Support

**URL:** https://discourse.slicer.org/c/support/11.md?no_subcategories=false&page=47

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

**Page:** 48

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## [Custom color terms](https://discourse.slicer.org/t/custom-color-terms/42205)

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**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 11\
**Last updated:** [March 19, 2025, 5:37am UTC](https://discourse.slicer.org/t/custom-color-terms/42205 "2025-03-19T05:37:53Z")

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With the new custom color table, if I do not want to use a terminology, just want to create custom color/label set to be used during segmentation, what should I enter into these fields: I think there was a custom val…

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## [Errors when using links in wiki list of modules](https://discourse.slicer.org/t/errors-when-using-links-in-wiki-list-of-modules/42191)

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**Author:** [@robertf](https://discourse.slicer.org/u/robertf)\
**Replies:** 3\
**Last updated:** [March 19, 2025, 2:20am UTC](https://discourse.slicer.org/t/errors-when-using-links-in-wiki-list-of-modules/42191 "2025-03-19T02:20:05Z")

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When I try to use some links at https://www.slicer.org/wiki/Documentation/Nightly/Modules/, I get the message 502 Bad Gateway --- nginx That has happened repeatedly for ResampleScalarVectorDWIVolume and ResampleDTIVolu…

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## [Geometry information error - Dental Cone Beam](https://discourse.slicer.org/t/geometry-information-error-dental-cone-beam/42208)

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**Author:** [@alessio\_triestino](https://discourse.slicer.org/u/alessio_triestino)\
**Replies:** 1\
**Last updated:** [March 18, 2025, 7:55pm UTC](https://discourse.slicer.org/t/geometry-information-error-dental-cone-beam/42208 "2025-03-18T19:55:13Z")

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Goodevening, I am trying to perform a dental segmentation on a Cone Beam Computed Tomography in order to evaluate the extention of maxillary sinus. When I try to load the dicom data, the following error appears: " Unnam…

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## [AReg extension does not give registration output](https://discourse.slicer.org/t/areg-extension-does-not-give-registration-output/36752)

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**Author:** [@Inka\_Saraswati](https://discourse.slicer.org/u/Inka_Saraswati)\
**Replies:** 1\
**Last updated:** [March 18, 2025, 7:25pm UTC](https://discourse.slicer.org/t/areg-extension-does-not-give-registration-output/36752 "2025-03-18T19:25:02Z")

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Hi, I’ve been trying to use AReg to register maxilla of a unilateral cleft patient to a mirror image of itself. The end goal is to create a model of the alveolar cleft defect by superimposing both skulls, then subtractin…

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## [4D Cardiac CT: Does Sequence Registration also Captures Shear and Torsion?](https://discourse.slicer.org/t/4d-cardiac-ct-does-sequence-registration-also-captures-shear-and-torsion/42210)

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**Author:** [@Gening\_Dong](https://discourse.slicer.org/u/Gening_Dong)\
**Replies:** 0\
**Last updated:** [March 18, 2025, 7:12pm UTC](https://discourse.slicer.org/t/4d-cardiac-ct-does-sequence-registration-also-captures-shear-and-torsion/42210 "2025-03-18T19:12:04Z")

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Hi, I’m trying to use Sequence registration for 4D heart CT. For the chambers and blood field it has been working fine to capture the cardiac motion, but I was wondering if the the registration can also capture the shea…

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## [How to Add a Python Script for Brain Extraction in a Custom 3D Slicer Template](https://discourse.slicer.org/t/how-to-add-a-python-script-for-brain-extraction-in-a-custom-3d-slicer-template/42158)

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**Author:** [@software](https://discourse.slicer.org/u/software)\
**Replies:** 1\
**Last updated:** [March 18, 2025, 7:26am UTC](https://discourse.slicer.org/t/how-to-add-a-python-script-for-brain-extraction-in-a-custom-3d-slicer-template/42158 "2025-03-18T07:26:26Z")

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Hello everyone, I want to integrate a Python script for brain extraction into a custom 3D Slicer template created using Kitware’s SlicerCAT framework. My goal is to add my own scripted module and make it functional with…

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## [How to measure total brain volume, cerebellum and cerebral volume in mri using slicer](https://discourse.slicer.org/t/how-to-measure-total-brain-volume-cerebellum-and-cerebral-volume-in-mri-using-slicer/42190)

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**Author:** [@Seth\_Rollins](https://discourse.slicer.org/u/Seth_Rollins)\
**Replies:** 1\
**Last updated:** [March 18, 2025, 12:23am UTC](https://discourse.slicer.org/t/how-to-measure-total-brain-volume-cerebellum-and-cerebral-volume-in-mri-using-slicer/42190 "2025-03-18T00:23:04Z")

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How to measure total brain volume, cerebellum and cerebral volume in mri using slicer

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## [Best way to map material properties from CT scan to Element](https://discourse.slicer.org/t/best-way-to-map-material-properties-from-ct-scan-to-element/42181)

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**Author:** [@William\_Kuo](https://discourse.slicer.org/u/William_Kuo)\
**Replies:** 9\
**Last updated:** [March 18, 2025, 12:22am UTC](https://discourse.slicer.org/t/best-way-to-map-material-properties-from-ct-scan-to-element/42181 "2025-03-18T00:22:01Z")

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Hi! I am working on a project to map material properties from CT scans to elements. I have been working on a couple ideas. The goal is to get the density of each tetrahedral element for a mesh of a bone that I got from …

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## [How to Install Monai Label Server ANYWHERE](https://discourse.slicer.org/t/how-to-install-monai-label-server-anywhere/42004)

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**Author:** [@sad\_shovel](https://discourse.slicer.org/u/sad_shovel)\
**Replies:** 3\
**Last updated:** [March 17, 2025, 10:30pm UTC](https://discourse.slicer.org/t/how-to-install-monai-label-server-anywhere/42004 "2025-03-17T22:30:10Z")

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I cannot successfully install or connect to the monai label server anywhere through any means. I have tried: Google Collab My Local Machine VM through Google Cloud I’m losing my mind. Why is this so difficult? There …

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## [Ankle Osteotomy](https://discourse.slicer.org/t/ankle-osteotomy/42143)

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**Author:** [@JuMaLe](https://discourse.slicer.org/u/JuMaLe)\
**Replies:** 3\
**Last updated:** [March 17, 2025, 8:46pm UTC](https://discourse.slicer.org/t/ankle-osteotomy/42143 "2025-03-17T20:46:28Z")

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Hello! I’m looking for a tool or a set of tools to approach osteotomy planning. The Osteotomy Planner module appears to be useless for this. Thanks a lot.

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## [Why bones are becoming porus in nature after thresholding](https://discourse.slicer.org/t/why-bones-are-becoming-porus-in-nature-after-thresholding/42184)

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**Author:** [@Siva\_sai\_Kumar](https://discourse.slicer.org/u/Siva_sai_Kumar)\
**Replies:** 0\
**Last updated:** [March 17, 2025, 1:43pm UTC](https://discourse.slicer.org/t/why-bones-are-becoming-porus-in-nature-after-thresholding/42184 "2025-03-17T13:43:17Z")

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i cant able to slice 3d image of calcaenum bone, can any body help about the threshold of the calcaneum bone why the bones are becoming porus in nature

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## [Problem importing points and trajectories from BrainLab](https://discourse.slicer.org/t/problem-importing-points-and-trajectories-from-brainlab/42186)

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**Author:** [@Shirly\_Someck](https://discourse.slicer.org/u/Shirly_Someck)\
**Replies:** 1\
**Last updated:** [March 17, 2025, 3:59pm UTC](https://discourse.slicer.org/t/problem-importing-points-and-trajectories-from-brainlab/42186 "2025-03-17T15:59:26Z")

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Hi, I have exported data from BrainLab station, and managed to import the MRI scans and object segmentation. When I try to upload the points and trajectories, slicer gives the following error: I am using Slicer vers…

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## [Mark up points Exporting](https://discourse.slicer.org/t/mark-up-points-exporting/42169)

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**Author:** [@Dr\_Akshaya\_S\_R1](https://discourse.slicer.org/u/Dr_Akshaya_S_R1)\
**Replies:** 1\
**Last updated:** [March 17, 2025, 4:28am UTC](https://discourse.slicer.org/t/mark-up-points-exporting/42169 "2025-03-17T04:28:27Z")

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I would like to export 8 to 9 markup points that I created in a specific order and use them again for a dataset. Could you please help me with the process of exporting that template?

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## [How to extract the HU value from a point using python scripting?](https://discourse.slicer.org/t/how-to-extract-the-hu-value-from-a-point-using-python-scripting/42164)

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**Author:** [@William\_Kuo](https://discourse.slicer.org/u/William_Kuo)\
**Replies:** 1\
**Last updated:** [March 17, 2025, 2:08am UTC](https://discourse.slicer.org/t/how-to-extract-the-hu-value-from-a-point-using-python-scripting/42164 "2025-03-17T02:08:57Z")

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I want to use a point from a mesh to find the associated voxel and its HU in python. Has there been examples of this done?

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## [I can't see the rendered volume. is this problem resolved in Windows 11?](https://discourse.slicer.org/t/i-cant-see-the-rendered-volume-is-this-problem-resolved-in-windows-11/42172)

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**Author:** [@Ovidiu](https://discourse.slicer.org/u/Ovidiu)\
**Replies:** 2\
**Last updated:** [March 16, 2025, 12:41pm UTC](https://discourse.slicer.org/t/i-cant-see-the-rendered-volume-is-this-problem-resolved-in-windows-11/42172 "2025-03-16T12:41:41Z")

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Operating system :Edition Windows 11 Pro Version 24H2 Installed on ‎09/‎12/‎2024 OS build 26100.3323 Experience Windows Feature Experience Pack 1000.26100.54.0 Slicer version: 5.8.1 r33241 / 11eaf62 Expected beha…

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## [SPECTRecon module user interface is empty](https://discourse.slicer.org/t/spectrecon-module-user-interface-is-empty/42171)

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**Author:** [@PegiMessi](https://discourse.slicer.org/u/PegiMessi)\
**Replies:** 1\
**Last updated:** [March 16, 2025, 12:37pm UTC](https://discourse.slicer.org/t/spectrecon-module-user-interface-is-empty/42171 "2025-03-16T12:37:30Z")

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Hi I have trouble installing the SlicerSPECTRecon module into the 3Dslicer. After I got the message “installed successfully,” the module appeared on the module list, but it didn’t work, and there wasn’t any toolbox I c…

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## [Why is it that after I import the patient's CT file (in DICOM format), the image is not displayed completely but only shows as a slit?](https://discourse.slicer.org/t/why-is-it-that-after-i-import-the-patients-ct-file-in-dicom-format-the-image-is-not-displayed-completely-but-only-shows-as-a-slit/42165)

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**Author:** [@kkzmcbb](https://discourse.slicer.org/u/kkzmcbb)\
**Replies:** 1\
**Last updated:** [March 16, 2025, 2:22am UTC](https://discourse.slicer.org/t/why-is-it-that-after-i-import-the-patients-ct-file-in-dicom-format-the-image-is-not-displayed-completely-but-only-shows-as-a-slit/42165 "2025-03-16T02:22:07Z")

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## [Why does the RAS data probe point coord not match visually in the volume?](https://discourse.slicer.org/t/why-does-the-ras-data-probe-point-coord-not-match-visually-in-the-volume/42163)

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**Author:** [@William\_Kuo](https://discourse.slicer.org/u/William_Kuo)\
**Replies:** 2\
**Last updated:** [March 15, 2025, 9:52pm UTC](https://discourse.slicer.org/t/why-does-the-ras-data-probe-point-coord-not-match-visually-in-the-volume/42163 "2025-03-15T21:52:34Z")

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Why does my data probe not match the markup visually? I had to apply a negative to the superior value to make the markup point match with my cursor on the data probe. If I were to markup the same as the data probe RAS co…

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## [STL to BMP transform file](https://discourse.slicer.org/t/stl-to-bmp-transform-file/42155)

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**Author:** [@leonardr](https://discourse.slicer.org/u/leonardr)\
**Replies:** 0\
**Last updated:** [March 15, 2025, 4:01pm UTC](https://discourse.slicer.org/t/stl-to-bmp-transform-file/42155 "2025-03-15T16:01:43Z")

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Hello , how can I transform an stl file to bmp file using slicer ? Thanks

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## [View 3D model with DaVinci](https://discourse.slicer.org/t/view-3d-model-with-davinci/42137)

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**Author:** [@BaptisteSVD](https://discourse.slicer.org/u/BaptisteSVD)\
**Replies:** 1\
**Last updated:** [March 15, 2025, 3:34pm UTC](https://discourse.slicer.org/t/view-3d-model-with-davinci/42137 "2025-03-15T15:34:45Z")

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Hi, Is there a way to overlap a 3D model on the screen of davinci XI ?

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## [Seeking assistance：the download of the ITK dependency cannot be completed](https://discourse.slicer.org/t/seeking-assistance-the-download-of-the-itk-dependency-cannot-be-completed/42082)

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**Author:** [@feiyu](https://discourse.slicer.org/u/feiyu)\
**Replies:** 3\
**Last updated:** [March 15, 2025, 2:03am UTC](https://discourse.slicer.org/t/seeking-assistance-the-download-of-the-itk-dependency-cannot-be-completed/42082 "2025-03-15T02:03:36Z")

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During the use of the RVX extension, several dependency tools need to be downloaded, but the download cannot be completed. what should Ido？

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## [Capture slice data at rendered in the 3D view](https://discourse.slicer.org/t/capture-slice-data-at-rendered-in-the-3d-view/42116)

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**Author:** [@Muhammed\_Fatih\_Talu](https://discourse.slicer.org/u/Muhammed_Fatih_Talu)\
**Replies:** 1\
**Last updated:** [March 14, 2025, 1:14pm UTC](https://discourse.slicer.org/t/capture-slice-data-at-rendered-in-the-3d-view/42116 "2025-03-14T13:14:02Z")

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I am looking for a way to save all slice images of the rendered data in the axial axis in the 3D view. I created a new plugin for this. There is a save button. When the button is clicked, I want to save all the rendered …

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## [Quest VR controllers as live trackers](https://discourse.slicer.org/t/quest-vr-controllers-as-live-trackers/40901)

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**Author:** [@sberns](https://discourse.slicer.org/u/sberns)\
**Replies:** 12\
**Last updated:** [March 14, 2025, 7:28am UTC](https://discourse.slicer.org/t/quest-vr-controllers-as-live-trackers/40901 "2025-03-14T07:28:23Z")

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Hi, I recently came across 3d slicer and I was wondering if this software is capable of assisting me with a research project. I would like to do real time 2d ultrasound scanning and 3d volumetric reconstruction in virtu…

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## [Simulating ultrasound from CT](https://discourse.slicer.org/t/simulating-ultrasound-from-ct/42123)

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**Author:** [@Zachary\_Walton](https://discourse.slicer.org/u/Zachary_Walton)\
**Replies:** 0\
**Last updated:** [March 14, 2025, 5:31am UTC](https://discourse.slicer.org/t/simulating-ultrasound-from-ct/42123 "2025-03-14T05:31:46Z")

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Hi All, I’m trying to get Slicer3D to show a simulated ultrasound view of the spine from a given CT (or MRI) scan and a given ultrasound probe position. I found this youtube video and tried to replicate it on a Mac but…

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## [Slicer with Sina/MosoCam app](https://discourse.slicer.org/t/slicer-with-sina-mosocam-app/42120)

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**Author:** [@Hushang\_Azimov1](https://discourse.slicer.org/u/Hushang_Azimov1)\
**Replies:** 1\
**Last updated:** [March 14, 2025, 1:31am UTC](https://discourse.slicer.org/t/slicer-with-sina-mosocam-app/42120 "2025-03-14T01:31:02Z")

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Hello everyone. Does anyone know about Sina/Mosocam? Where can I download it and how can I integrate it with 3D Slicer?

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## [Costal cartilage and rib cage pediatric segmentation](https://discourse.slicer.org/t/costal-cartilage-and-rib-cage-pediatric-segmentation/42117)

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**Author:** [@Luigi\_Iuppariello](https://discourse.slicer.org/u/Luigi_Iuppariello)\
**Replies:** 1\
**Last updated:** [March 14, 2025, 12:40am UTC](https://discourse.slicer.org/t/costal-cartilage-and-rib-cage-pediatric-segmentation/42117 "2025-03-14T00:40:59Z")

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Hello everyone, I’m having a lot of difficulty segmenting the rib cage and the cartilage of a pediatric patient’s rib cage. This is mainly because the segments are often separated by the sternum, etc., so I can’t effecti…

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## [Is my segmentation not registering to image (source geometry) properly?](https://discourse.slicer.org/t/is-my-segmentation-not-registering-to-image-source-geometry-properly/42053)

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**Author:** [@brianwskim](https://discourse.slicer.org/u/brianwskim)\
**Replies:** 2\
**Last updated:** [March 13, 2025, 10:17pm UTC](https://discourse.slicer.org/t/is-my-segmentation-not-registering-to-image-source-geometry-properly/42053 "2025-03-13T22:17:30Z")

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Operating system: MacOS Sequioa 15.3.1 (24D70) Slicer version: 5.8.0 Expected behavior: Image (NIfTI) and segmentation affine matrices to match after exporting segmentation to binary labelmap and saving to file (as NIf…

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## [Install DentalSegmentator from behind restrictive firewall](https://discourse.slicer.org/t/install-dentalsegmentator-from-behind-restrictive-firewall/39474)

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**Author:** [@xYanshui](https://discourse.slicer.org/u/xYanshui)\
**Replies:** 8\
**Last updated:** [March 13, 2025, 11:12am UTC](https://discourse.slicer.org/t/install-dentalsegmentator-from-behind-restrictive-firewall/39474 "2025-03-13T11:12:46Z")

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Thank you so much for developing the module. I came across with this error while applying segmentation. I tried to download the “.zip” file (“Dataset111\_453CT\_v100” I suppose?) from the guided Github page, and creat…

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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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