# Support

**URL:** https://discourse.slicer.org/c/support/11.md?page=120

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

**Page:** 121

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## [Superimposition of CBCT of orthodontic patients using a slicer, diagnocat, blender](https://discourse.slicer.org/t/superimposition-of-cbct-of-orthodontic-patients-using-a-slicer-diagnocat-blender/33510)

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**Author:** [@danik](https://discourse.slicer.org/u/danik)\
**Replies:** 18\
**Last updated:** [January 7, 2024, 6:18pm UTC](https://discourse.slicer.org/t/superimposition-of-cbct-of-orthodontic-patients-using-a-slicer-diagnocat-blender/33510 "2024-01-07T18:18:03Z")

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Good afternoon, dear colleagues. My name is Daniil, I am a dentist, orthodontist. For 4 years I have been doing superimposition before and after orthodontic treatment. I use stl files from Diagnocat and overlay them. I e…

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## [Input segmentation or labelmap to extract radiomic features through 3D slicer](https://discourse.slicer.org/t/input-segmentation-or-labelmap-to-extract-radiomic-features-through-3d-slicer/33489)

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**Author:** [@dazuidadatu](https://discourse.slicer.org/u/dazuidadatu)\
**Replies:** 1\
**Last updated:** [January 6, 2024, 10:38pm UTC](https://discourse.slicer.org/t/input-segmentation-or-labelmap-to-extract-radiomic-features-through-3d-slicer/33489 "2024-01-06T22:38:13Z")

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Hi: I used the Radiomics in 3D slicer to extract radiomic features. When I write the input region, I don\`t know choose the segmentation or the labelmap, and the their extract results of radiomics features were different…

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## [OCT volume filtering](https://discourse.slicer.org/t/oct-volume-filtering/33645)

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**Author:** [@boiler](https://discourse.slicer.org/u/boiler)\
**Replies:** 4\
**Last updated:** [January 6, 2024, 5:16pm UTC](https://discourse.slicer.org/t/oct-volume-filtering/33645 "2024-01-06T17:16:33Z")

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Hello Everyone, I’ve an OCT image which is grainy and noisy in DICOM format, which I can load successfully in 3D Slicer. The same data viewed in the software of the device looks smoothly and more details are visible. I’…

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## [Enhanced DICOM question](https://discourse.slicer.org/t/enhanced-dicom-question/33648)

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**Author:** [@Nathan](https://discourse.slicer.org/u/Nathan)\
**Replies:** 1\
**Last updated:** [January 6, 2024, 3:28am UTC](https://discourse.slicer.org/t/enhanced-dicom-question/33648 "2024-01-06T03:28:13Z")

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Hello, I have a weird request. We have one MRI scanner that only will upload data to PACs in “enhanced DICOM” format one file includes multiple images, and a different device that does not currently support this format …

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## [Registration of two CBCT according to Frankfort plane](https://discourse.slicer.org/t/registration-of-two-cbct-according-to-frankfort-plane/33612)

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**Author:** [@anasmh101](https://discourse.slicer.org/u/anasmh101)\
**Replies:** 2\
**Last updated:** [January 6, 2024, 1:00am UTC](https://discourse.slicer.org/t/registration-of-two-cbct-according-to-frankfort-plane/33612 "2024-01-06T01:00:10Z")

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Hello everyone, I have problem in doing two head CBCTs registration (pre/post CBCTs) according to Frankfort plane to assess mandible deviation before and after orthodontic treatment, the end result of the registration is…

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## [Save model as stl in RAS](https://discourse.slicer.org/t/save-model-as-stl-in-ras/33640)

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**Author:** [@SANTIAGO\_PENDON\_MING](https://discourse.slicer.org/u/SANTIAGO_PENDON_MING)\
**Replies:** 1\
**Last updated:** [January 5, 2024, 9:42pm UTC](https://discourse.slicer.org/t/save-model-as-stl-in-ras/33640 "2024-01-05T21:42:55Z")

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Hi, at this time I’m trying to export the model node as RAS stl. Diving into documentation I saw that stl are saved as LPS by default, but it wont work for me… Now I’m doing a quite simple process: 'Export segments to …

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## [Calculate surface area and volume of palate on 3D dental models ](https://discourse.slicer.org/t/calculate-surface-area-and-volume-of-palate-on-3d-dental-models/33647)

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**Author:** [@jamalgiri](https://discourse.slicer.org/u/jamalgiri)\
**Replies:** 0\
**Last updated:** [January 5, 2024, 6:02pm UTC](https://discourse.slicer.org/t/calculate-surface-area-and-volume-of-palate-on-3d-dental-models/33647 "2024-01-05T18:02:19Z")

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Hi all, I am new to 3D slicer. I am trying to measure the surface area and volume of the palate on 3D dental models (stl files). By using the closed curve in Markups, I was able to calculate the area and I found that ROI…

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## ["Compare Volumes" module - display order](https://discourse.slicer.org/t/compare-volumes-module-display-order/31261)

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**Author:** [@Michele\_Bailo](https://discourse.slicer.org/u/Michele_Bailo)\
**Replies:** 6\
**Last updated:** [January 5, 2024, 10:40am UTC](https://discourse.slicer.org/t/compare-volumes-module-display-order/31261 "2024-01-05T10:40:27Z")

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Hi everyone, I recently discovered the “Compare volumes” module from this post: Link views in three over three configuration - Support - 3D Slicer Community I find this module great for the rapidity with which it allow…

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## [3D Slicer models and solidworks](https://discourse.slicer.org/t/3d-slicer-models-and-solidworks/33624)

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**Author:** [@Gonzalo\_Rojas\_Costa](https://discourse.slicer.org/u/Gonzalo_Rojas_Costa)\
**Replies:** 0\
**Last updated:** [January 4, 2024, 4:56pm UTC](https://discourse.slicer.org/t/3d-slicer-models-and-solidworks/33624 "2024-01-04T16:56:07Z")

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I need to create a model using skull CT images, to do a FEA analysis using SolidWorkks software of that skull. Any tutorial? Characteristics of that model? Sincerely, Gonzalo Rojas Costa

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## [Create .stl file from segments](https://discourse.slicer.org/t/create-stl-file-from-segments/33619)

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**Author:** [@SANTIAGO\_PENDON\_MING](https://discourse.slicer.org/u/SANTIAGO_PENDON_MING)\
**Replies:** 1\
**Last updated:** [January 4, 2024, 11:18am UTC](https://discourse.slicer.org/t/create-stl-file-from-segments/33619 "2024-01-04T11:18:47Z")

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Hi to everyone. Today’s question is quite ‘easy’ but, after look the wiki and older post I didn’t see anything… I’m trying to convert my segment into .stl files with Python code. I’m acquainted with segmentations and se…

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## [Curves plane without straightening](https://discourse.slicer.org/t/curves-plane-without-straightening/27926)

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**Author:** [@mohammed\_alshakhas](https://discourse.slicer.org/u/mohammed_alshakhas)\
**Replies:** 5\
**Last updated:** [January 4, 2024, 4:28am UTC](https://discourse.slicer.org/t/curves-plane-without-straightening/27926 "2024-01-04T04:28:21Z")

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Is it possible to create a curved plane without being straightened ? Thanks

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## [How to export a curve made with MarkupstoModel as STL?](https://discourse.slicer.org/t/how-to-export-a-curve-made-with-markupstomodel-as-stl/26424)

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**Author:** [@billy](https://discourse.slicer.org/u/billy)\
**Replies:** 1\
**Last updated:** [November 24, 2022, 2:27pm UTC](https://discourse.slicer.org/t/how-to-export-a-curve-made-with-markupstomodel-as-stl/26424 "2022-11-24T14:27:17Z")

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I need to make a model of a nerve which I successfully did using MarkupsToModel in slicer but I need to be able to export this tube as an STL… is this possible? If not I need to find a new way to segment the nerve.

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## [Odd clipping artifact in 3D view when opening older MRML file into 2023-12-31 preview](https://discourse.slicer.org/t/odd-clipping-artifact-in-3d-view-when-opening-older-mrml-file-into-2023-12-31-preview/33607)

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**Author:** [@hherhold](https://discourse.slicer.org/u/hherhold)\
**Replies:** 2\
**Last updated:** [January 3, 2024, 8:05pm UTC](https://discourse.slicer.org/t/odd-clipping-artifact-in-3d-view-when-opening-older-mrml-file-into-2023-12-31-preview/33607 "2024-01-03T20:05:54Z")

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I have a MRML file that had been working properly in an older preview (2023-10-26) but when I loaded it into the latest preview(2023-12-31) on windows, I would get an odd foreground clip artifact in the 3D view. This cli…

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## [Importing 4D CT DICOM files from Siemens scanner to 3D Slicer](https://discourse.slicer.org/t/importing-4d-ct-dicom-files-from-siemens-scanner-to-3d-slicer/33551)

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**Author:** [@SassanHashemi](https://discourse.slicer.org/u/SassanHashemi)\
**Replies:** 9\
**Last updated:** [January 3, 2024, 6:10pm UTC](https://discourse.slicer.org/t/importing-4d-ct-dicom-files-from-siemens-scanner-to-3d-slicer/33551 "2024-01-03T18:10:32Z")

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Win10 Slicer 5.6.1 Scanner: Siemens SOMATOM Force Hi, I am not able to import a time-resolved cardiac CT sequence, consisting of 10 time points and 300 slices. I tried exporting DICOMs both as separate folders for ea…

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## [Please critique my script : sequences, merged sequences, CINE, color, opacity, .mrb](https://discourse.slicer.org/t/please-critique-my-script-sequences-merged-sequences-cine-color-opacity-mrb/33606)

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**Author:** [@Deep\_Learning](https://discourse.slicer.org/u/Deep_Learning)\
**Replies:** 1\
**Last updated:** [January 3, 2024, 5:50pm UTC](https://discourse.slicer.org/t/please-critique-my-script-sequences-merged-sequences-cine-color-opacity-mrb/33606 "2024-01-03T17:50:34Z")

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Below is a script that I am using to save CINE CTA volumes and segmentations as an mrb. Def works!!! Provides custom color and opacity. Plays as CINE. Looking for any performance improvements. Memory improvements. My s…

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## [Creating Segmentation on stl files to get centreline of artery](https://discourse.slicer.org/t/creating-segmentation-on-stl-files-to-get-centreline-of-artery/33603)

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**Author:** [@Luxalyn](https://discourse.slicer.org/u/Luxalyn)\
**Replies:** 1\
**Last updated:** [January 3, 2024, 5:48pm UTC](https://discourse.slicer.org/t/creating-segmentation-on-stl-files-to-get-centreline-of-artery/33603 "2024-01-03T17:48:24Z")

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Hello; I’m extremely new to 3D Slicer, and for a couple days I’ve been trying to implement segmentation on an artery stl file to get the centerline of it. I have tried these steps but it didnt work. i dont know why and …

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## [Python interpreter arguments containing special characters](https://discourse.slicer.org/t/python-interpreter-arguments-containing-special-characters/33466)

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**Author:** [@aymeric.chataigner](https://discourse.slicer.org/u/aymeric.chataigner)\
**Replies:** 3\
**Last updated:** [January 3, 2024, 2:21pm UTC](https://discourse.slicer.org/t/python-interpreter-arguments-containing-special-characters/33466 "2024-01-03T14:21:49Z")

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Hi, It is probably not a classic use of the python interpreter embedded in 3D Slicer but I would like to inform you about this strange behavior: I use this interpreter to run a script which requires a file path as para…

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## [Error of new releases of 3D slicer](https://discourse.slicer.org/t/error-of-new-releases-of-3d-slicer/33587)

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**Author:** [@Arakeep90](https://discourse.slicer.org/u/Arakeep90)\
**Replies:** 3\
**Last updated:** [January 3, 2024, 1:18pm UTC](https://discourse.slicer.org/t/error-of-new-releases-of-3d-slicer/33587 "2024-01-03T13:18:53Z")

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Hey, I always have a problem after installing the latest release of 3D slicer , all features is not working properly. I always need to get back to version 5.2.2 which is working very good on my PC without any problem. An…

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## [Extract OAR contour matrix from contoured 3D CT-scan images](https://discourse.slicer.org/t/extract-oar-contour-matrix-from-contoured-3d-ct-scan-images/33598)

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**Author:** [@mSanchita](https://discourse.slicer.org/u/mSanchita)\
**Replies:** 0\
**Last updated:** [January 3, 2024, 12:08pm UTC](https://discourse.slicer.org/t/extract-oar-contour-matrix-from-contoured-3d-ct-scan-images/33598 "2024-01-03T12:08:08Z")

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Dear community, I am new to 3D Slicer, and I have a complete RT plan (CT (a set of image slices), RTPLAN, RTDOSE, RTSTRUCT) and I wanted to extract OAR contour matrix from the contoured 3D CT-scan images. Can I extract …

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## [Exporting the thickness bone table from Bone Thickness Mapping extension](https://discourse.slicer.org/t/exporting-the-thickness-bone-table-from-bone-thickness-mapping-extension/19004)

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**Author:** [@M.Odaba](https://discourse.slicer.org/u/M.Odaba)\
**Replies:** 4\
**Last updated:** [January 3, 2024, 12:00am UTC](https://discourse.slicer.org/t/exporting-the-thickness-bone-table-from-bone-thickness-mapping-extension/19004 "2024-01-03T00:00:58Z")

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Hi, I’ve been using Bone Thickness Mapping extension. It’s an amazing tool and the heatmap it creates is super useful. However, I need to have access to thickness values to do more statistical analyses. I assume for eac…

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## [New extension: HDBrainExtraction for AI-based skull stripping](https://discourse.slicer.org/t/new-extension-hdbrainextraction-for-ai-based-skull-stripping/24420)

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**Author:** [@lassoan](https://discourse.slicer.org/u/lassoan)\
**Replies:** 15\
**Last updated:** [January 2, 2024, 6:00pm UTC](https://discourse.slicer.org/t/new-extension-hdbrainextraction-for-ai-based-skull-stripping/24420 "2024-01-02T18:00:45Z")

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A new AI-based tool - HDBrainExtracion extension - is added to 3D Slicer for skull stripping (blanking out region outside the brain in MRI images). The model is trained on a large set of images and proven to be more robu…

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## [SlicerIGT interface to Aimooe AimPosition position tracker](https://discourse.slicer.org/t/slicerigt-interface-to-aimooe-aimposition-position-tracker/18266)

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**Author:** [@BrGiao](https://discourse.slicer.org/u/BrGiao)\
**Replies:** 7\
**Last updated:** [January 2, 2024, 5:28pm UTC](https://discourse.slicer.org/t/slicerigt-interface-to-aimooe-aimposition-position-tracker/18266 "2024-01-02T17:28:18Z")

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We want to connect our optical tracking device to 3Dslice’s slicerIGT module for the surgical navigation simulation shown below, but our device is not supported by Plus, how do I connect the two?

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## [Add the missing top of a skull from a CT image to a segmentation for 3D model](https://discourse.slicer.org/t/add-the-missing-top-of-a-skull-from-a-ct-image-to-a-segmentation-for-3d-model/33589)

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**Author:** [@MaikeRos](https://discourse.slicer.org/u/MaikeRos)\
**Replies:** 1\
**Last updated:** [January 2, 2024, 5:14pm UTC](https://discourse.slicer.org/t/add-the-missing-top-of-a-skull-from-a-ct-image-to-a-segmentation-for-3d-model/33589 "2024-01-02T17:14:57Z")

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Hello there, I extracted CBCT images of a patient with RTStruct files and loaded them into Slicer. The problem with my CBCT image is, that the top of the skull is missing. I tried manually to add it to the corresponding…

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## [Difference between segmentation dimensions and original dimensions](https://discourse.slicer.org/t/difference-between-segmentation-dimensions-and-original-dimensions/33585)

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**Author:** [@Berk\_Gezgin](https://discourse.slicer.org/u/Berk_Gezgin)\
**Replies:** 1\
**Last updated:** [January 2, 2024, 3:54pm UTC](https://discourse.slicer.org/t/difference-between-segmentation-dimensions-and-original-dimensions/33585 "2024-01-02T15:54:58Z")

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I saved the labels I made in 3D Slicer with “Export to file…” by right-clicking in the “Data” section and selecting “Export visible segments to binary labelmap”. However, later I realized that the dimensions of the resul…

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## [Segmentations (.seg.nrrd) saved in version 4.10 loaded incorrectly in 5.6](https://discourse.slicer.org/t/segmentations-seg-nrrd-saved-in-version-4-10-loaded-incorrectly-in-5-6/33520)

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**Author:** [@dkermany](https://discourse.slicer.org/u/dkermany)\
**Replies:** 1\
**Last updated:** [January 2, 2024, 10:42am UTC](https://discourse.slicer.org/t/segmentations-seg-nrrd-saved-in-version-4-10-loaded-incorrectly-in-5-6/33520 "2024-01-02T10:42:52Z")

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I had segmentations done in version 4.10, however, trying to load them in version 5.6 has the segmentations scales and positioned incorrectly relative to the input image. How do I resolve this issue so that I can use my …

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## [Isodose Curve in PET MRI or PET CT exams](https://discourse.slicer.org/t/isodose-curve-in-pet-mri-or-pet-ct-exams/33473)

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**Author:** [@Mouadh\_Ben\_Nasr](https://discourse.slicer.org/u/Mouadh_Ben_Nasr)\
**Replies:** 3\
**Last updated:** [January 2, 2024, 10:41am UTC](https://discourse.slicer.org/t/isodose-curve-in-pet-mri-or-pet-ct-exams/33473 "2024-01-02T10:41:50Z")

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Hey everyone. I would like to create isodose curves and DHV histograms from PET CT or PET MRI exams for treating a liver lesion (SIRT). When uploading the exam in the database, I can’t reach out the RT segmentation ext…

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## [Export side view images with Original image dimension](https://discourse.slicer.org/t/export-side-view-images-with-original-image-dimension/33583)

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**Author:** [@Nutchanon\_Hemapattam](https://discourse.slicer.org/u/Nutchanon_Hemapattam)\
**Replies:** 0\
**Last updated:** [January 2, 2024, 7:41am UTC](https://discourse.slicer.org/t/export-side-view-images-with-original-image-dimension/33583 "2024-01-02T07:41:53Z")

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I need to export the image with the original image dimension to use the image spacing . Example image that I need image dimension (In volume information,did 681x681x645 are in pixels units?) How can I export the s…

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## [Image coordinates](https://discourse.slicer.org/t/image-coordinates/33581)

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**Author:** [@yuanw](https://discourse.slicer.org/u/yuanw)\
**Replies:** 0\
**Last updated:** [January 2, 2024, 2:52am UTC](https://discourse.slicer.org/t/image-coordinates/33581 "2024-01-02T02:52:12Z")

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How can I display the APLR coordinates of Data Probe as positive and negative signs?

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## [Using monailabel on masks not created using monailabel](https://discourse.slicer.org/t/using-monailabel-on-masks-not-created-using-monailabel/33479)

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**Author:** [@Vineet\_Saravanan](https://discourse.slicer.org/u/Vineet_Saravanan)\
**Replies:** 9\
**Last updated:** [January 1, 2024, 9:55pm UTC](https://discourse.slicer.org/t/using-monailabel-on-masks-not-created-using-monailabel/33479 "2024-01-01T21:55:45Z")

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Hello. I am trying to use the train feature of monailabel using a dataset with masks that were created outside 3dslicer. Would I need to create a datastore\_v2 file for this case? For the folder structure, I have a folde…

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## [MONAI Label for New Dataset](https://discourse.slicer.org/t/monai-label-for-new-dataset/28373)

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**Author:** [@S\_Arbabi](https://discourse.slicer.org/u/S_Arbabi)\
**Replies:** 7\
**Last updated:** [January 1, 2024, 9:18pm UTC](https://discourse.slicer.org/t/monai-label-for-new-dataset/28373 "2024-01-01T21:18:13Z")

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Hi, I was able to run MONAI Label on server and connect through slicer, load images that I added to server (I haven’t tried adding segmentations to server though). I have a dataset that I have used for training nnUNet …

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