# Support

**URL:** https://discourse.slicer.org/c/support/11.md?page=95

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

**Page:** 96

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## [DICOM series is split into two](https://discourse.slicer.org/t/dicom-series-is-split-into-two/36124)

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**Author:** [@Levi](https://discourse.slicer.org/u/Levi)\
**Replies:** 2\
**Last updated:** [May 15, 2024, 7:25pm UTC](https://discourse.slicer.org/t/dicom-series-is-split-into-two/36124 "2024-05-15T19:25:29Z")

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Hello, I imported a single folder of 790 DICOM files into 3DSlicer. However, it separates the files into two series, one with 348 files and the other with 442. They both posses the same series name, and are under the sa…

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## [Windows: Unable to import DICOM files that are in a OneDrive-backed up folder](https://discourse.slicer.org/t/windows-unable-to-import-dicom-files-that-are-in-a-onedrive-backed-up-folder/36153)

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**Author:** [@fedorov](https://discourse.slicer.org/u/fedorov)\
**Replies:** 8\
**Last updated:** [May 15, 2024, 5:15pm UTC](https://discourse.slicer.org/t/windows-unable-to-import-dicom-files-that-are-in-a-onedrive-backed-up-folder/36153 "2024-05-15T17:15:46Z")

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TL;DR: on Windows, do not use folders that are backed up by Microsoft OneDrive for DICOM images that you want to import into Slicer DICOMBrowser! @vkt1414 and I have been debugging an issue that we thought is a problem …

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## [Change viewing background from white to the standard](https://discourse.slicer.org/t/change-viewing-background-from-white-to-the-standard/36171)

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**Author:** [@Jessica\_de\_Kort](https://discourse.slicer.org/u/Jessica_de_Kort)\
**Replies:** 2\
**Last updated:** [May 15, 2024, 4:11pm UTC](https://discourse.slicer.org/t/change-viewing-background-from-white-to-the-standard/36171 "2024-05-15T16:11:28Z")

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Hello, last week I changed the background of the 3D view to be white and now I cannot see my segmentations. Is there a way to revert it back to normal? Here is an image about what I mean:

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## [Measure the vertical distance from a point to a line segment](https://discourse.slicer.org/t/measure-the-vertical-distance-from-a-point-to-a-line-segment/36093)

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**Author:** [@Olivia](https://discourse.slicer.org/u/Olivia)\
**Replies:** 4\
**Last updated:** [May 15, 2024, 3:18pm UTC](https://discourse.slicer.org/t/measure-the-vertical-distance-from-a-point-to-a-line-segment/36093 "2024-05-15T15:18:58Z")

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Hi, I am new to this software. I need to measure the minimum distance from a point to a line segment (aka perpendicular distance) in my measurements, but I haven’t found a suitable program that can do this, do you have a…

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## [Slices are displayed non-orthogonally when using Controller Transform](https://discourse.slicer.org/t/slices-are-displayed-non-orthogonally-when-using-controller-transform/36070)

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**Author:** [@Beatriz\_2](https://discourse.slicer.org/u/Beatriz_2)\
**Replies:** 2\
**Last updated:** [May 15, 2024, 12:32pm UTC](https://discourse.slicer.org/t/slices-are-displayed-non-orthogonally-when-using-controller-transform/36070 "2024-05-15T12:32:04Z")

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Operating System: Windows Slicer Version: Slicer 5.6.1 Headset: Meta Quest 2 Problem: Sometimes slices are displayed non-orthogonally when using VirtualReality.RightController or VirtualReality.LeftController as well …

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## [Off line volumetric reconstruction/rendering from ultrasound images](https://discourse.slicer.org/t/off-line-volumetric-reconstruction-rendering-from-ultrasound-images/35564)

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**Author:** [@Caterina](https://discourse.slicer.org/u/Caterina)\
**Replies:** 5\
**Last updated:** [May 15, 2024, 11:44am UTC](https://discourse.slicer.org/t/off-line-volumetric-reconstruction-rendering-from-ultrasound-images/35564 "2024-05-15T11:44:53Z")

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Dear support, is it possible to perform offline 3d reconstruction of rendering from ultrasound images? Thanks

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## [Segmentation of ultrasound sequence](https://discourse.slicer.org/t/segmentation-of-ultrasound-sequence/32869)

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**Author:** [@priya.vada4](https://discourse.slicer.org/u/priya.vada4)\
**Replies:** 2\
**Last updated:** [May 14, 2024, 9:27pm UTC](https://discourse.slicer.org/t/segmentation-of-ultrasound-sequence/32869 "2024-05-14T21:27:26Z")

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Hi Is it possible to segment a structure from a sequence of tracked ultrasound images and create a 3D surface model. These are the steps I follow: I stream the optically-tracked ultrasound images from a third-party …

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## [Unable to download BoneAngleMeter from Windows](https://discourse.slicer.org/t/unable-to-download-boneanglemeter-from-windows/36151)

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**Author:** [@Rosamv](https://discourse.slicer.org/u/Rosamv)\
**Replies:** 0\
**Last updated:** [May 14, 2024, 5:43pm UTC](https://discourse.slicer.org/t/unable-to-download-boneanglemeter-from-windows/36151 "2024-05-14T17:43:45Z")

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Hello, I am trying to download BoneAngleMeter to Slicer on a Windows PC. The ZIP files provided do not appear to be working. Could someone please check this out for me? Here are the error logs. Thanks! Rod \[DEBUG\]\[Qt\] …

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## [Markup label issue in today's preview build](https://discourse.slicer.org/t/markup-label-issue-in-todays-preview-build/36150)

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**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 0\
**Last updated:** [May 14, 2024, 5:38pm UTC](https://discourse.slicer.org/t/markup-label-issue-in-todays-preview-build/36150 "2024-05-14T17:38:00Z")

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Markup labels disappear temporarily when you switch layouts (for example maximize 3D view). They come back immediately when you interact with the 3d view. Consistently reproducible on Mac

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## [For a liver CT, substract contrast induced changes in HU](https://discourse.slicer.org/t/for-a-liver-ct-substract-contrast-induced-changes-in-hu/36149)

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**Author:** [@pablomartin](https://discourse.slicer.org/u/pablomartin)\
**Replies:** 0\
**Last updated:** [May 14, 2024, 3:46pm UTC](https://discourse.slicer.org/t/for-a-liver-ct-substract-contrast-induced-changes-in-hu/36149 "2024-05-14T15:46:30Z")

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Hi all, I´ve been asked to work on liver CT pre and post contrast application. Is it possible to adjust (substract) the intensities modifications induced by the contrast? What would be the best approach, thanks in advanc…

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## [Limit a transform display to a region in slice view](https://discourse.slicer.org/t/limit-a-transform-display-to-a-region-in-slice-view/36143)

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**Author:** [@Matteboo](https://discourse.slicer.org/u/Matteboo)\
**Replies:** 0\
**Last updated:** [May 14, 2024, 11:50am UTC](https://discourse.slicer.org/t/limit-a-transform-display-to-a-region-in-slice-view/36143 "2024-05-14T11:50:23Z")

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Hello, I did a registration and want to display the displacement field in Slice view to show other person. The fact that the displacement field is shown outside the body is confusing for several of them, so I was wonder…

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## [Coronary artery centerline extraction using VMTK slicer extension](https://discourse.slicer.org/t/coronary-artery-centerline-extraction-using-vmtk-slicer-extension/36139)

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**Author:** [@Kavita\_C](https://discourse.slicer.org/u/Kavita_C)\
**Replies:** 1\
**Last updated:** [May 14, 2024, 11:19am UTC](https://discourse.slicer.org/t/coronary-artery-centerline-extraction-using-vmtk-slicer-extension/36139 "2024-05-14T11:19:20Z")

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I am trying to extract centerline using extract centerline from VMTK module. But I’m able to extract only one part of branch ,not other part of branch of coronary vessels. How do I extract both branches centerlines. Can …

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## [ Slicer Edge Attraction Woes - Need Help!](https://discourse.slicer.org/t/slicer-edge-attraction-woes-need-help/36140)

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**Author:** [@emmawilson](https://discourse.slicer.org/u/emmawilson)\
**Replies:** 1\
**Last updated:** [May 14, 2024, 11:19am UTC](https://discourse.slicer.org/t/slicer-edge-attraction-woes-need-help/36140 "2024-05-14T11:19:15Z")

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Hey Slicer Crew, Having a bit of a battle with Slicer’s edge attraction feature when I’m drawing segment contours. Every time I try to use it, I get this error message that throws a wrench in the whole process. The me…

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## [Using script for creating 'intersection' from 'Logical operators' of Segment Editor](https://discourse.slicer.org/t/using-script-for-creating-intersection-from-logical-operators-of-segment-editor/36104)

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**Author:** [@chz31](https://discourse.slicer.org/u/chz31)\
**Replies:** 2\
**Last updated:** [May 14, 2024, 4:06am UTC](https://discourse.slicer.org/t/using-script-for-creating-intersection-from-logical-operators-of-segment-editor/36104 "2024-05-14T04:06:15Z")

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Hi, I am using python scrip to access Intersection operation from Logical Operators. I might did the script wrong. Using Logical Operators manually, the intersection between the orbit and the plate is: I used the…

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## [Create a segment with a list of points that are segment boundaries](https://discourse.slicer.org/t/create-a-segment-with-a-list-of-points-that-are-segment-boundaries/35604)

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**Author:** [@sima](https://discourse.slicer.org/u/sima)\
**Replies:** 7\
**Last updated:** [May 13, 2024, 11:05pm UTC](https://discourse.slicer.org/t/create-a-segment-with-a-list-of-points-that-are-segment-boundaries/35604 "2024-05-13T23:05:00Z")

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Hi to all I have a list of points in each CT slice that is obtained from python scripts. My ultimate goal is to have a closed surface segment where these points precisely define its boundaries. In other words, the spac…

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## [Calculate dihedral angles using plug-ins](https://discourse.slicer.org/t/calculate-dihedral-angles-using-plug-ins/36116)

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**Author:** [@YLX](https://discourse.slicer.org/u/YLX)\
**Replies:** 1\
**Last updated:** [May 13, 2024, 7:30pm UTC](https://discourse.slicer.org/t/calculate-dihedral-angles-using-plug-ins/36116 "2024-05-13T19:30:18Z")

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Hello, I want to calculate the dihedral Angle between two Planes, the plug-in Angle Planes is used, but there are no options P1 and P2 when adding planes (P1 is the yellow plane in the figure, P2 is the name of the purpl…

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## [Geometry all messed up in latest 5.7.0 pre-release?](https://discourse.slicer.org/t/geometry-all-messed-up-in-latest-5-7-0-pre-release/36072)

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**Author:** [@Peng\_Wang](https://discourse.slicer.org/u/Peng_Wang)\
**Replies:** 14\
**Last updated:** [May 13, 2024, 6:17pm UTC](https://discourse.slicer.org/t/geometry-all-messed-up-in-latest-5-7-0-pre-release/36072 "2024-05-13T18:17:14Z")

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Previously aligned volumes no longer aligned in the pre-release version. It’s kind of obvious and since it’s “pre-release” I wonder if it is a known issue. Steps to expose the bug: load a volume and place a fiducial. Us…

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## [Tractography segmentation](https://discourse.slicer.org/t/tractography-segmentation/24161)

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**Author:** [@massimo](https://discourse.slicer.org/u/massimo)\
**Replies:** 2\
**Last updated:** [May 13, 2024, 4:11pm UTC](https://discourse.slicer.org/t/tractography-segmentation/24161 "2024-05-13T16:11:12Z")

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Dear Community, Starting from a tractography, where i can already see all the brain fibers (Using the DMRI module) I need to segment them in: In particular, I’d need to first identify the: Arcuate fascicle optic r…

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## [How can I open a 3DVolume on 3DSlicer?](https://discourse.slicer.org/t/how-can-i-open-a-3dvolume-on-3dslicer/35963)

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**Author:** [@vieimar](https://discourse.slicer.org/u/vieimar)\
**Replies:** 2\
**Last updated:** [May 13, 2024, 11:56am UTC](https://discourse.slicer.org/t/how-can-i-open-a-3dvolume-on-3dslicer/35963 "2024-05-13T11:56:03Z")

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Hello everyone, I’m trying to open a Volume3D file on 3DSlicer in order to create a 3D file and then import it into STL. I’m still new to using 3DSlicer, is there a particular method to import it? I have images in DICO…

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## [How to adjust a subtly adjustable surface to cut both sides? (See the picture)](https://discourse.slicer.org/t/how-to-adjust-a-subtly-adjustable-surface-to-cut-both-sides-see-the-picture/36042)

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**Author:** [@CheerfulMinions](https://discourse.slicer.org/u/CheerfulMinions)\
**Replies:** 11\
**Last updated:** [May 13, 2024, 10:52am UTC](https://discourse.slicer.org/t/how-to-adjust-a-subtly-adjustable-surface-to-cut-both-sides-see-the-picture/36042 "2024-05-13T10:52:16Z")

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Hello, when I was using 3D slicer, there was one operation I didn’t know how to implement: In the following two pictures, in Figure 1, I can cut both sides of the surface after subtle adjustment (Figure 2). In 3D slicer…

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## [Discrepancy in Image Origin Values between 3D Slicer and SimpleITK](https://discourse.slicer.org/t/discrepancy-in-image-origin-values-between-3d-slicer-and-simpleitk/35946)

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**Author:** [@ibrahim\_ciftci](https://discourse.slicer.org/u/ibrahim_ciftci)\
**Replies:** 10\
**Last updated:** [May 9, 2024, 2:49pm UTC](https://discourse.slicer.org/t/discrepancy-in-image-origin-values-between-3d-slicer-and-simpleitk/35946 "2024-05-09T14:49:01Z")

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Hi all, I’m encountering an issue when loading a label in 3D Slicer. The image origin is displayed as follows: -8.7478mm, -66.3176mm, -70.4628mm. However, when I read the same label using SimpleITK, I get an output of (…

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## [How to segment a skull and visualize the skull sutures](https://discourse.slicer.org/t/how-to-segment-a-skull-and-visualize-the-skull-sutures/36022)

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**Author:** [@paleomariomm](https://discourse.slicer.org/u/paleomariomm)\
**Replies:** 8\
**Last updated:** [May 12, 2024, 6:07pm UTC](https://discourse.slicer.org/t/how-to-segment-a-skull-and-visualize-the-skull-sutures/36022 "2024-05-12T18:07:05Z")

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Hi everyone. Let’s use this freely-downloadable baboon skull from MorphoSource as an example. https://www.morphosource.org/concern/media/000059584?locale=en If I render the volume, I can see skull sutures very clearly: …

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## [Low quality MRI images](https://discourse.slicer.org/t/low-quality-mri-images/36096)

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**Author:** [@SPGesus](https://discourse.slicer.org/u/SPGesus)\
**Replies:** 1\
**Last updated:** [May 12, 2024, 2:48pm UTC](https://discourse.slicer.org/t/low-quality-mri-images/36096 "2024-05-12T14:48:58Z")

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Hello, I have found some resources on my problem, but no actual solutions. I got an MRI and I would like to convert my brain into a model I can print. There are a few tutorials, and so far this youtube version is my bes…

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## [Uncheck “Toggle Selectable” doesn’t anchor the model](https://discourse.slicer.org/t/uncheck-toggle-selectable-doesn-t-anchor-the-model/36068)

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**Author:** [@Beatriz\_2](https://discourse.slicer.org/u/Beatriz_2)\
**Replies:** 1\
**Last updated:** [May 12, 2024, 11:29am UTC](https://discourse.slicer.org/t/uncheck-toggle-selectable-doesn-t-anchor-the-model/36068 "2024-05-12T11:29:18Z")

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Operating System: Windows Slicer Version: Slicer 5.6.1 Headset used: Meta Quest 2 Problem: unchecked the “Toggle Selectable” option doesn’t anchor the model and I can still manipulate it with controllers (e.g. grab it…

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## [Extract face from CBCT](https://discourse.slicer.org/t/extract-face-from-cbct/35743)

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**Author:** [@qaz8788817](https://discourse.slicer.org/u/qaz8788817)\
**Replies:** 3\
**Last updated:** [May 12, 2024, 11:20am UTC](https://discourse.slicer.org/t/extract-face-from-cbct/35743 "2024-05-12T11:20:28Z")

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Hi, @Slicer360 . I want to extract face using 3D slicer. I am a beginner. Can you advise me how to extract the face like yours (Figure 3)? Here is my side face. Thank you.

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## [Use the plugin Angle Planes to calculate dihedral angles](https://discourse.slicer.org/t/use-the-plugin-angle-planes-to-calculate-dihedral-angles/36088)

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**Author:** [@YLX](https://discourse.slicer.org/u/YLX)\
**Replies:** 1\
**Last updated:** [May 11, 2024, 4:08pm UTC](https://discourse.slicer.org/t/use-the-plugin-angle-planes-to-calculate-dihedral-angles/36088 "2024-05-11T16:08:11Z")

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Hello, I want to calculate the dihedral Angle between two Planes, the plug-in Angle Planes is used, but there are no options P1 and P2 when adding planes (P1 is the yellow plane in the figure, P2 is the name of the purpl…

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## [Automatic segmentation tools for brain AVM?](https://discourse.slicer.org/t/automatic-segmentation-tools-for-brain-avm/36082)

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**Author:** [@samuelholly](https://discourse.slicer.org/u/samuelholly)\
**Replies:** 4\
**Last updated:** [May 9, 2024, 7:02am UTC](https://discourse.slicer.org/t/automatic-segmentation-tools-for-brain-avm/36082 "2024-05-09T07:02:29Z")

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Dear Slicer team, Thank you for providing this amazing tool. Is it possible to share some details about the BRATS MEN and BRATS GLI models? Are any of the available models suitable for segmentation of arterio-venous mal…

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## [Using Plus Server to allow live streaming in 3D sllicer](https://discourse.slicer.org/t/using-plus-server-to-allow-live-streaming-in-3d-sllicer/5770)

<div class="topic-metadata">

**Author:** [@dsikka](https://discourse.slicer.org/u/dsikka)\
**Replies:** 8\
**Last updated:** [May 11, 2024, 8:31am UTC](https://discourse.slicer.org/t/using-plus-server-to-allow-live-streaming-in-3d-sllicer/5770 "2024-05-11T08:31:15Z")

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We’re trying to get live streaming in 3D slicer using Plus Server but we’re having a bit of trouble. We tried to follow the instructions under Show live images in 3D Slicer on this link: http://perk-software.cs.queensu.c…

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## [How to properly use the segment editor with transformed volumes](https://discourse.slicer.org/t/how-to-properly-use-the-segment-editor-with-transformed-volumes/21861)

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**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 13\
**Last updated:** [May 10, 2024, 1:49pm UTC](https://discourse.slicer.org/t/how-to-properly-use-the-segment-editor-with-transformed-volumes/21861 "2024-05-10T13:49:54Z")

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A colleague gave me a volume which she aligned in a particular orientation she want the data to be collected. This a linear transform and it is hardened. When I open this volume in Segment Editor, there is the little wa…

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## [Reproducible Slicer crash deleting MarkupsROINodes from subject hierarchy](https://discourse.slicer.org/t/reproducible-slicer-crash-deleting-markupsroinodes-from-subject-hierarchy/36007)

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**Author:** [@mikebind](https://discourse.slicer.org/u/mikebind)\
**Replies:** 3\
**Last updated:** [May 10, 2024, 1:36pm UTC](https://discourse.slicer.org/t/reproducible-slicer-crash-deleting-markupsroinodes-from-subject-hierarchy/36007 "2024-05-10T13:36:02Z")

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I get a reproducible Slicer application crash following these steps: Open Slice (scene is empty) Run roiNode1 = slicer.mrmlScene.AddNewNodeByClass("vtkMRMLMarkupsROINode") roiNode1.SetSize((100, 100, 100)) roiNode2 = …

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