# Support

**URL:** https://discourse.slicer.org/c/support/11.md?no_subcategories=false&page=81

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

**Page:** 82

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## [Extracting Point Clouds](https://discourse.slicer.org/t/extracting-point-clouds/37548)

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**Author:** [@Jessica\_de\_Kort](https://discourse.slicer.org/u/Jessica_de_Kort)\
**Replies:** 7\
**Last updated:** [July 29, 2024, 7:00pm UTC](https://discourse.slicer.org/t/extracting-point-clouds/37548 "2024-07-29T19:00:39Z")

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Hello, I have a custom-made module that creates catheters inside of patients from passing through a 3D U-Net to produce a point cloud. The point cloud passes through curve fitting to produce the final predictions. I want…

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## [Elastix registration with Masking](https://discourse.slicer.org/t/elastix-registration-with-masking/37556)

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**Author:** [@khajta](https://discourse.slicer.org/u/khajta)\
**Replies:** 3\
**Last updated:** [July 29, 2024, 12:37pm UTC](https://discourse.slicer.org/t/elastix-registration-with-masking/37556 "2024-07-29T12:37:22Z")

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Dear experts, I would like to register 2 images, CT and CT. Actually, my final goal is to register SPECT and SPECT with different timepoint. Firstly, I used rigid registration followed by elastix between CT1 and CT2 at…

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## [Segment Editor Draw Tube effect disabled](https://discourse.slicer.org/t/segment-editor-draw-tube-effect-disabled/37607)

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**Author:** [@francesca\_maule](https://discourse.slicer.org/u/francesca_maule)\
**Replies:** 0\
**Last updated:** [July 29, 2024, 9:14am UTC](https://discourse.slicer.org/t/segment-editor-draw-tube-effect-disabled/37607 "2024-07-29T09:14:34Z")

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Problem report for Slicer 5.6.2 win-amd64: HI Everyone! I am experiencing some problems with DrawTube function. The fiducials placement key is always disabled. (gray), therefore no fiducials can be placed to draw the tub…

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## [Newbie frustration trying to learn how to use Slicer and SlicerMorph](https://discourse.slicer.org/t/newbie-frustration-trying-to-learn-how-to-use-slicer-and-slicermorph/37598)

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**Author:** [@pamelaeck](https://discourse.slicer.org/u/pamelaeck)\
**Replies:** 1\
**Last updated:** [July 29, 2024, 12:22am UTC](https://discourse.slicer.org/t/newbie-frustration-trying-to-learn-how-to-use-slicer-and-slicermorph/37598 "2024-07-29T00:22:51Z")

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I have high hopes of using Slicer (5.6.2) and SlicerMorph for geometric morphometric analyses of equine cervical morphology but am frustrated because the tutorials and videos all use the older versions. Plus, the videos …

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## [Registration and enhancement ](https://discourse.slicer.org/t/registration-and-enhancement/37599)

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**Author:** [@Ahmed\_Shebl](https://discourse.slicer.org/u/Ahmed_Shebl)\
**Replies:** 0\
**Last updated:** [July 28, 2024, 8:02pm UTC](https://discourse.slicer.org/t/registration-and-enhancement/37599 "2024-07-28T20:02:13Z")

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How are you everyone hope you all are good i need help please i’m recently install a 3D slicer and need to ask some question. First my research point related to both medical imaging and deep learning so my supervisor ask…

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## [Error when using dental segmentator](https://discourse.slicer.org/t/error-when-using-dental-segmentator/37591)

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**Author:** [@Dr\_Akshaya\_S\_R1](https://discourse.slicer.org/u/Dr_Akshaya_S_R1)\
**Replies:** 0\
**Last updated:** [July 28, 2024, 6:17am UTC](https://discourse.slicer.org/t/error-when-using-dental-segmentator/37591 "2024-07-28T06:17:56Z")

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Error occurred during install : C extension: pandas.util not built. If you want to import pandas from the source directory, you may need to run ‘python setup.py build\_ext’ to build the C extensions first.

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## [Urgent Assistance Required: Issue with DICOM Data Contrast in 3D Slicer](https://discourse.slicer.org/t/urgent-assistance-required-issue-with-dicom-data-contrast-in-3d-slicer/37577)

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**Author:** [@Yaren\_Cetin](https://discourse.slicer.org/u/Yaren_Cetin)\
**Replies:** 8\
**Last updated:** [July 28, 2024, 2:01am UTC](https://discourse.slicer.org/t/urgent-assistance-required-issue-with-dicom-data-contrast-in-3d-slicer/37577 "2024-07-28T02:01:19Z")

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Dear 3D Slicer Team, I trust this message finds you in good health and high spirits. I am writing to bring to your esteemed attention to a pressing issue I have encountered while utilizing 3D Slicer. As a dedicated and …

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## [Export a plane created by Markups to an .stl file  or to a segment](https://discourse.slicer.org/t/export-a-plane-created-by-markups-to-an-stl-file-or-to-a-segment/37219)

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**Author:** [@Piya](https://discourse.slicer.org/u/Piya)\
**Replies:** 8\
**Last updated:** [July 28, 2024, 1:34am UTC](https://discourse.slicer.org/t/export-a-plane-created-by-markups-to-an-stl-file-or-to-a-segment/37219 "2024-07-28T01:34:52Z")

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Operating system: Windows 11 Home Slicer version: 5.6.2 Expected behavior: I would like to export a plane created by Markups to an .stl file. Actual behavior: No option for an .stl file (only .json)

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## [Extracting statistical values from a scalar heatmap on vtk model](https://discourse.slicer.org/t/extracting-statistical-values-from-a-scalar-heatmap-on-vtk-model/37578)

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**Author:** [@Potassium\_Chloride](https://discourse.slicer.org/u/Potassium_Chloride)\
**Replies:** 1\
**Last updated:** [July 26, 2024, 9:20pm UTC](https://discourse.slicer.org/t/extracting-statistical-values-from-a-scalar-heatmap-on-vtk-model/37578 "2024-07-26T21:20:46Z")

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I used the model-to-model distance extension to create a scalar model as a VTK file. Is there a way to extract the mean and standard deviation of the distances from the file?

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## [TotalSegmentator use Error](https://discourse.slicer.org/t/totalsegmentator-use-error/37547)

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**Author:** [@AnasKRG](https://discourse.slicer.org/u/AnasKRG)\
**Replies:** 8\
**Last updated:** [July 26, 2024, 11:44am UTC](https://discourse.slicer.org/t/totalsegmentator-use-error/37547 "2024-07-26T11:44:43Z")

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Operating system: Windows 10 Slicer version: 5.6.2 Expected behavior: Auto segmentation Actual behavior: when I click apply, it shows me this command: “Command ‘\[‘D:/3d slicer/Slicer 5.6.2/bin/…/bin\\PythonSlicer.EXE’…

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## [How can I reduce the file size of my STL in the slicer?](https://discourse.slicer.org/t/how-can-i-reduce-the-file-size-of-my-stl-in-the-slicer/37542)

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**Author:** [@Stoll](https://discourse.slicer.org/u/Stoll)\
**Replies:** 2\
**Last updated:** [July 26, 2024, 8:56am UTC](https://discourse.slicer.org/t/how-can-i-reduce-the-file-size-of-my-stl-in-the-slicer/37542 "2024-07-26T08:56:35Z")

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Hello everyone, I have only recently started working with the 3D slicer and my aim is to edit my STL of a Sheffield test head. The test head is to be 3D printed and my current problem is that my generated STL is stil…

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## [Want to get the length width and height of AABB of the labels](https://discourse.slicer.org/t/want-to-get-the-length-width-and-height-of-aabb-of-the-labels/37565)

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**Author:** [@hk\_y](https://discourse.slicer.org/u/hk_y)\
**Replies:** 1\
**Last updated:** [July 26, 2024, 4:38am UTC](https://discourse.slicer.org/t/want-to-get-the-length-width-and-height-of-aabb-of-the-labels/37565 "2024-07-26T04:38:21Z")

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Dear professors, I previously used the Segment Statistics module in Slicer to output the dimensions (length, width, height) of the oriented bounding box (OBB) for a label. It’s really helpful. Now, I want to output the d…

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## [PET DICOM loading error](https://discourse.slicer.org/t/pet-dicom-loading-error/37567)

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**Author:** [@zahraa-rashid](https://discourse.slicer.org/u/zahraa-rashid)\
**Replies:** 0\
**Last updated:** [July 26, 2024, 4:29am UTC](https://discourse.slicer.org/t/pet-dicom-loading-error/37567 "2024-07-26T04:29:04Z")

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Operating system:11 Slicer version:5.6.2 Expected behavior: Actual behavior: When I loaded PET DICOM, I found this error what is meaning and what should i doTraceback (most recent call last): File “C:\\Users\\alnasee…

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## [Datasets of Fetus](https://discourse.slicer.org/t/datasets-of-fetus/12722)

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**Author:** [@Madelene\_Habib](https://discourse.slicer.org/u/Madelene_Habib)\
**Replies:** 3\
**Last updated:** [July 25, 2024, 4:02pm UTC](https://discourse.slicer.org/t/datasets-of-fetus/12722 "2024-07-25T16:02:47Z")

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Can anyone suggest a website or can provide information on how to find free data set samples of a fetus. I am open to any file type. Thanks

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## [Help with Plane Markups](https://discourse.slicer.org/t/help-with-plane-markups/37553)

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**Author:** [@Rodrigo\_Ventura\_Germ](https://discourse.slicer.org/u/Rodrigo_Ventura_Germ)\
**Replies:** 2\
**Last updated:** [July 25, 2024, 3:05pm UTC](https://discourse.slicer.org/t/help-with-plane-markups/37553 "2024-07-25T15:05:44Z")

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Hello everyone, I’m sorry if this problem already came up here, I used to use the plane markup to demonstrate which parts of the bone I was showing on the coronal view. But out of nowhere some configuration changed and …

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## [File sizes after making a volume isotropic](https://discourse.slicer.org/t/file-sizes-after-making-a-volume-isotropic/37540)

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**Author:** [@coco](https://discourse.slicer.org/u/coco)\
**Replies:** 3\
**Last updated:** [July 25, 2024, 12:41pm UTC](https://discourse.slicer.org/t/file-sizes-after-making-a-volume-isotropic/37540 "2024-07-25T12:41:56Z")

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Dear all, I was astonished to see a dramatic drop in file size after using the crop volume module and I don’t understand why. Here is my original volume volume information: Now this is my new volume information afte…

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## [Liver blood vessel segmentation](https://discourse.slicer.org/t/liver-blood-vessel-segmentation/37555)

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**Author:** [@Matteboo](https://discourse.slicer.org/u/Matteboo)\
**Replies:** 2\
**Last updated:** [July 25, 2024, 12:36pm UTC](https://discourse.slicer.org/t/liver-blood-vessel-segmentation/37555 "2024-07-25T12:36:02Z")

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Hello everyone, In my work, I need to segment the liver blood vessel. For some time, I used the “liver vessel” task in total segmentator in version 5.4 when it was still using TotalsegmentatorV1. This task is no longer …

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## [Artefacts in CT analysis](https://discourse.slicer.org/t/artefacts-in-ct-analysis/37552)

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**Author:** [@Luca\_Salomon](https://discourse.slicer.org/u/Luca_Salomon)\
**Replies:** 0\
**Last updated:** [July 25, 2024, 7:54am UTC](https://discourse.slicer.org/t/artefacts-in-ct-analysis/37552 "2024-07-25T07:54:14Z")

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I am analysing CT‘s from the head and I have to document remaining teeth and implants. Is there any easy possibility to remove artefacts in slicer to have a better overview of the jaw. As soon as there is a small metall…

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## [What kind of default colormap use in tractography seeding ](https://discourse.slicer.org/t/what-kind-of-default-colormap-use-in-tractography-seeding/37545)

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**Author:** [@xixi911](https://discourse.slicer.org/u/xixi911)\
**Replies:** 2\
**Last updated:** [July 25, 2024, 6:50am UTC](https://discourse.slicer.org/t/what-kind-of-default-colormap-use-in-tractography-seeding/37545 "2024-07-25T06:50:56Z")

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Operating system:win 11 Slicer version:5.4.0 Expected behavior: Actual behavior: I was wondering what type of colormap was used in tractography seeding, which was user-defined when I debuging use vs2019, but I couldn…

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## [Importing PLY file with color scale associated to a numerical "user scalar"](https://discourse.slicer.org/t/importing-ply-file-with-color-scale-associated-to-a-numerical-user-scalar/37543)

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**Author:** [@JiB](https://discourse.slicer.org/u/JiB)\
**Replies:** 0\
**Last updated:** [July 24, 2024, 12:33pm UTC](https://discourse.slicer.org/t/importing-ply-file-with-color-scale-associated-to-a-numerical-user-scalar/37543 "2024-07-24T12:33:16Z")

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Operating system: Windows 10 Enterprise Slicer version: 5.6.2 Expected behavior: Display Colors Corresponding to Facet User Defined Values Actual behavior: No Color Hi to the 3D Slicer community. This post is in rel…

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## [MONAI citation / references](https://discourse.slicer.org/t/monai-citation-references/37478)

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**Author:** [@Killmaro](https://discourse.slicer.org/u/Killmaro)\
**Replies:** 1\
**Last updated:** [July 24, 2024, 10:36am UTC](https://discourse.slicer.org/t/monai-citation-references/37478 "2024-07-24T10:36:33Z")

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As part of my work, I would like to cite MONAI and 3D MONAIseg. How should I do this? Thank you for your feedback

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## [Axial rotation for segmentation](https://discourse.slicer.org/t/axial-rotation-for-segmentation/37517)

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**Author:** [@Noa](https://discourse.slicer.org/u/Noa)\
**Replies:** 3\
**Last updated:** [July 24, 2024, 9:23am UTC](https://discourse.slicer.org/t/axial-rotation-for-segmentation/37517 "2024-07-24T09:23:21Z")

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Hello, I’m trying to flip a 180° segmentation around its Y axis. However, the transform module doesn’t seem to allow me to do this. Does anyone know what command I can use to flip my segment? Thank you in advance.

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## [Dental segmentation for dogs and cats](https://discourse.slicer.org/t/dental-segmentation-for-dogs-and-cats/37506)

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**Author:** [@Charlie\_Tewson](https://discourse.slicer.org/u/Charlie_Tewson)\
**Replies:** 8\
**Last updated:** [July 23, 2024, 7:04pm UTC](https://discourse.slicer.org/t/dental-segmentation-for-dogs-and-cats/37506 "2024-07-23T19:04:23Z")

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Hi This tool looks extremely useful, thank you for your work on it. I am a veterinary dentist interested in the applications for dogs and cats. I tried running it on a dog skull CT and it only managed to identify a few …

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## [How to enable NVidia GPU support for various operations](https://discourse.slicer.org/t/how-to-enable-nvidia-gpu-support-for-various-operations/37497)

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**Author:** [@Figaya](https://discourse.slicer.org/u/Figaya)\
**Replies:** 5\
**Last updated:** [July 23, 2024, 6:20pm UTC](https://discourse.slicer.org/t/how-to-enable-nvidia-gpu-support-for-various-operations/37497 "2024-07-23T18:20:26Z")

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Hello, I have come across a few posts that explain how to enable the NVidia GPU in 3D Slicer, but they focus solely on volume rendering. For our specific use case, I intend to harness the NVidia GPU for segmentation an…

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## [TotalSegmentator heartchambers high res not working](https://discourse.slicer.org/t/totalsegmentator-heartchambers-high-res-not-working/37524)

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**Author:** [@Ione\_Ianniruberto](https://discourse.slicer.org/u/Ione_Ianniruberto)\
**Replies:** 3\
**Last updated:** [July 23, 2024, 5:53pm UTC](https://discourse.slicer.org/t/totalsegmentator-heartchambers-high-res-not-working/37524 "2024-07-23T17:53:47Z")

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Hi, I have CT images and I would like to segment all the heart chambers using the heartchambers highres tool. However it works fine for some images while for others there are two possible outomes: it dosen’t recognize t…

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## [Cutting vessels - CFD](https://discourse.slicer.org/t/cutting-vessels-cfd/35165)

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**Author:** [@Killmaro](https://discourse.slicer.org/u/Killmaro)\
**Replies:** 14\
**Last updated:** [July 23, 2024, 5:36pm UTC](https://discourse.slicer.org/t/cutting-vessels-cfd/35165 "2024-07-23T17:36:49Z")

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Hi I’m working on pulmonary vessels CFD. After extracting the centerlines of my vascular tree, I’m aiming to automatically trim vessel ends below a certain caliber, perpendicular to the centerlines. I attempted to use t…

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## [Import image series with some sort of scaling?](https://discourse.slicer.org/t/import-image-series-with-some-sort-of-scaling/37518)

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**Author:** [@boiler](https://discourse.slicer.org/u/boiler)\
**Replies:** 1\
**Last updated:** [July 23, 2024, 4:48pm UTC](https://discourse.slicer.org/t/import-image-series-with-some-sort-of-scaling/37518 "2024-07-23T16:48:51Z")

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Hi all, I’ve an PNG image series, every slice has some distance. During import, the slice are “as minimal as” possible arranged, so my top view is very narrow. Can I somehome scale the 2D view or give somehow a distance…

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## [How to design 3D-printed surgical guide for mandible reconstruction](https://discourse.slicer.org/t/how-to-design-3d-printed-surgical-guide-for-mandible-reconstruction/19754)

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**Author:** [@manjula](https://discourse.slicer.org/u/manjula)\
**Replies:** 11\
**Last updated:** [July 23, 2024, 1:37pm UTC](https://discourse.slicer.org/t/how-to-design-3d-printed-surgical-guide-for-mandible-reconstruction/19754 "2024-07-23T13:37:45Z")

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This video shows how to get started with the Bone Reconstruction planner, an 3D Slicer extension for virtual surgical planning of mandibular reconstruction with vascularized fibula-free flap and generation of patient-spe…

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## [Slicer on WSL2 exited when opening Extension Manager](https://discourse.slicer.org/t/slicer-on-wsl2-exited-when-opening-extension-manager/37133)

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**Author:** [@chz31](https://discourse.slicer.org/u/chz31)\
**Replies:** 15\
**Last updated:** [July 22, 2024, 10:16pm UTC](https://discourse.slicer.org/t/slicer-on-wsl2-exited-when-opening-extension-manager/37133 "2024-07-22T22:16:18Z")

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I’m trying to run Slicer 5.6.2 on WSL2 Ubuntu 22.04. It was installed using tar xzvf. However, whenever I tried to open Extension Manager, Slicer just crashed. Does Slicer not support WSL2 or should I build it instead? T…

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## [3D Reconstructed Object Proportions and Element Spacing](https://discourse.slicer.org/t/3d-reconstructed-object-proportions-and-element-spacing/37082)

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**Author:** [@Viktor\_Sokolov](https://discourse.slicer.org/u/Viktor_Sokolov)\
**Replies:** 9\
**Last updated:** [July 22, 2024, 10:04pm UTC](https://discourse.slicer.org/t/3d-reconstructed-object-proportions-and-element-spacing/37082 "2024-07-22T22:04:41Z")

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Hello everybody! I have encountered a problem with volume proportions after 3D reconstruction. I acquire images via a Telemed US Probe and track positions using a robot arm. I scan a handmade phantom with a small 3D prin…

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