# Support

**URL:** https://discourse.slicer.org/c/support/11.md?page=300

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

**Page:** 301

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## [Plotting help? SetXColumnName ignored](https://discourse.slicer.org/t/plotting-help-setxcolumnname-ignored/15751)

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**Author:** [@bloyl](https://discourse.slicer.org/u/bloyl)\
**Replies:** 1\
**Last updated:** [January 31, 2021, 8:50pm UTC](https://discourse.slicer.org/t/plotting-help-setxcolumnname-ignored/15751 "2021-01-31T20:50:43Z")

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I am trying to work with slicer’s plotting nodes to use in an extension and I’m running into some issues The main one is that calling SetXColumnName('X') on a vtkMRMLPlotSeriesNode seems to be ignored, and the x axis is…

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## [Slicer Virtual Reality extension](https://discourse.slicer.org/t/slicer-virtual-reality-extension/15752)

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**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 1\
**Last updated:** [January 31, 2021, 8:31pm UTC](https://discourse.slicer.org/t/slicer-virtual-reality-extension/15752 "2021-01-31T20:31:35Z")

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I finally had my hands on a oculus rift system and tried it with Slicer. I have couple questions. I used the MRhead as a Volume Rendering and interactions with it was very fluid. But I can’t seem to do anything else b…

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## [Segmenting on an oblique plane 2D image](https://discourse.slicer.org/t/segmenting-on-an-oblique-plane-2d-image/14215)

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**Author:** [@mk.kassai](https://discourse.slicer.org/u/mk.kassai)\
**Replies:** 5\
**Last updated:** [January 31, 2021, 6:03pm UTC](https://discourse.slicer.org/t/segmenting-on-an-oblique-plane-2d-image/14215 "2021-01-31T18:03:00Z")

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I would like to do segmentation of a single slice of MRI, that has been acquired in an oblique angle. If I load it into 3D slicer, I only get some lines in different directions, since it shows the X Y and Z plane cross …

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## [Python equivalent of C++ pass by reference](https://discourse.slicer.org/t/python-equivalent-of-c-pass-by-reference/15710)

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**Author:** [@joachim](https://discourse.slicer.org/u/joachim)\
**Replies:** 3\
**Last updated:** [January 30, 2021, 3:40pm UTC](https://discourse.slicer.org/t/python-equivalent-of-c-pass-by-reference/15710 "2021-01-30T15:40:53Z")

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Here is an example of a C++ function using pass by reference (non-const pointer arguments): vtkMRMLAnnotationsROINode::GetXYZ(double\[3\] point). How do I call this function in Python, i.e. pass an array as argument? With…

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## [Field interpolation from set of 2D slices (3D volume)](https://discourse.slicer.org/t/field-interpolation-from-set-of-2d-slices-3d-volume/13494)

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**Author:** [@loubna](https://discourse.slicer.org/u/loubna)\
**Replies:** 3\
**Last updated:** [September 15, 2020, 8:58pm UTC](https://discourse.slicer.org/t/field-interpolation-from-set-of-2d-slices-3d-volume/13494 "2020-09-15T20:58:33Z")

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Hi; I have a stack of 2D images (3d image Data). each 2d image represent a distance field computed from contour (contour of slicerRT) , I want to interpolate pixel by pixel the 2D images using a cubic spline interpolat…

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## [select segmentations in 3D view](https://discourse.slicer.org/t/select-segmentations-in-3d-view/15438)

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**Author:** [@LuckyLuke](https://discourse.slicer.org/u/LuckyLuke)\
**Replies:** 4\
**Last updated:** [January 29, 2021, 3:10pm UTC](https://discourse.slicer.org/t/select-segmentations-in-3d-view/15438 "2021-01-29T15:10:23Z")

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Is there a way to quickly select segmentations and make them invisible in the 3D view. Namely, problem I encounter is that my boss asks me to show him a certain structure and I have to often remove 1 or 2 other segmenta…

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## [Would it be possible to have more then one module panel?](https://discourse.slicer.org/t/would-it-be-possible-to-have-more-then-one-module-panel/10880)

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**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 14\
**Last updated:** [January 29, 2021, 5:12am UTC](https://discourse.slicer.org/t/would-it-be-possible-to-have-more-then-one-module-panel/10880 "2021-01-29T05:12:13Z")

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I sometimes want to have two (or even more) module tabs open to interact with multiple modules at the same time (as oppose to using the arrows to go back and forth). With the ability of undocking the modules tab, and wit…

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## [Parameters for a reconstruction](https://discourse.slicer.org/t/parameters-for-a-reconstruction/15720)

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**Author:** [@Valentina\_Mejia\_Gall](https://discourse.slicer.org/u/Valentina_Mejia_Gall)\
**Replies:** 0\
**Last updated:** [January 28, 2021, 6:32pm UTC](https://discourse.slicer.org/t/parameters-for-a-reconstruction/15720 "2021-01-28T18:32:27Z")

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What are the parameters for a good reconstruction of the lumbo sacral spine? I mean the requirements for the images, it could be MRI or CT scan, such as spacing between slices, image resolution, etc. I don’t know if th…

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## [Breaking up 3D volume segmentation](https://discourse.slicer.org/t/breaking-up-3d-volume-segmentation/15700)

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**Author:** [@lekremer](https://discourse.slicer.org/u/lekremer)\
**Replies:** 3\
**Last updated:** [January 28, 2021, 4:13pm UTC](https://discourse.slicer.org/t/breaking-up-3d-volume-segmentation/15700 "2021-01-28T16:13:15Z")

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I have segmented a full kidney under one segmentation. I want to run texture on just 1 slice of the volume. When I run pyradiomics, it computes texture of the full 3D volume of the kidney. How do a breakup a segmentatio…

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## [Bone density link](https://discourse.slicer.org/t/bone-density-link/15715)

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**Author:** [@MFS-YES](https://discourse.slicer.org/u/MFS-YES)\
**Replies:** 0\
**Last updated:** [January 28, 2021, 3:09pm UTC](https://discourse.slicer.org/t/bone-density-link/15715 "2021-01-28T15:09:53Z")

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Hi everyone, I would like to know if there is a link that shows how to evaluate bone density through the bone mineral density value from Hounsfield Unit? that can facilitate understanding and practice. Thanks

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## [Multiplanar reformation image](https://discourse.slicer.org/t/multiplanar-reformation-image/15714)

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**Author:** [@marialfa](https://discourse.slicer.org/u/marialfa)\
**Replies:** 0\
**Last updated:** [January 28, 2021, 1:49pm UTC](https://discourse.slicer.org/t/multiplanar-reformation-image/15714 "2021-01-28T13:49:56Z")

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Operating system: Windows 10 OS Slicer version: 3D Slicer 4.11.2020 Expected behavior: Creating MPR images Actual behavior: Beginner …

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## [Imported DICOM image appears blurred in 2 out of 3 slice views](https://discourse.slicer.org/t/imported-dicom-image-appears-blurred-in-2-out-of-3-slice-views/15631)

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**Author:** [@Marjorie](https://discourse.slicer.org/u/Marjorie)\
**Replies:** 8\
**Last updated:** [January 28, 2021, 9:02am UTC](https://discourse.slicer.org/t/imported-dicom-image-appears-blurred-in-2-out-of-3-slice-views/15631 "2021-01-28T09:02:51Z")

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Operating system: MAC OS Slicer version: Slicer 4.11.20200930 r29402 / 002be18 Expected behavior: read a dicom in the windows (axial, coronal, sagittal) Actual behavior: it doesn’t work, even if my dicom is correct. I…

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## [Merge scalars of two models](https://discourse.slicer.org/t/merge-scalars-of-two-models/15682)

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**Author:** [@Honza\_Hecko](https://discourse.slicer.org/u/Honza_Hecko)\
**Replies:** 4\
**Last updated:** [January 28, 2021, 8:05am UTC](https://discourse.slicer.org/t/merge-scalars-of-two-models/15682 "2021-01-28T08:05:45Z")

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Hi, can I have a question? I have merged two models by extension CMFreg. One of them has Scalars (Unipolar, Bipolar, LAT) and the second is a model from CT (SegmentEditor). I want (maybe need) to move Scalars from one m…

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## [Changing segmentation interpolation algorithm?](https://discourse.slicer.org/t/changing-segmentation-interpolation-algorithm/15629)

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**Author:** [@Jason\_Wong](https://discourse.slicer.org/u/Jason_Wong)\
**Replies:** 7\
**Last updated:** [January 28, 2021, 6:02am UTC](https://discourse.slicer.org/t/changing-segmentation-interpolation-algorithm/15629 "2021-01-28T06:02:43Z")

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Hi 3D Slicer community! My current project has an image stack of 23 images with features that need to be converted into 3D models. Unfortunately, the image spacing is quite high relative, so the side and the top views ap…

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## [Paint in 3-4 slices immediately with draw tool? Is it possible?](https://discourse.slicer.org/t/paint-in-3-4-slices-immediately-with-draw-tool-is-it-possible/15708)

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**Author:** [@NoobForSlicer](https://discourse.slicer.org/u/NoobForSlicer)\
**Replies:** 1\
**Last updated:** [January 28, 2021, 5:57am UTC](https://discourse.slicer.org/t/paint-in-3-4-slices-immediately-with-draw-tool-is-it-possible/15708 "2021-01-28T05:57:40Z")

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I have a question. I used a draw tool a few times to fix a slice or two but now I am wondering, can this tool actualy apply the drawing to not just 1 but let’s say 3 slices right away? For example I define 1.5 mm as a …

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## [Pixelated 3D view in Volume Rendering ](https://discourse.slicer.org/t/pixelated-3d-view-in-volume-rendering/15605)

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**Author:** [@mlaw-migalig](https://discourse.slicer.org/u/mlaw-migalig)\
**Replies:** 19\
**Last updated:** [January 28, 2021, 5:40am UTC](https://discourse.slicer.org/t/pixelated-3d-view-in-volume-rendering/15605 "2021-01-28T05:40:09Z")

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I loaded data via SlicerMorph SkyscanReconImport. I go to Volume Rendering and slide the shift bar, everything as as usual, I reveal the bones I am interested in, but then the 3D render becomes pixelated blocks in the 3…

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## [Signed vs. PointToPointVector for (model2model) distance output](https://discourse.slicer.org/t/signed-vs-pointtopointvector-for-model2model-distance-output/15647)

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**Author:** [@sfglio](https://discourse.slicer.org/u/sfglio)\
**Replies:** 2\
**Last updated:** [January 28, 2021, 3:35am UTC](https://discourse.slicer.org/t/signed-vs-pointtopointvector-for-model2model-distance-output/15647 "2021-01-28T03:35:34Z")

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I created a VTK output file from two segmented sinus (segmentation of the sinus derived from two ct scans at different time points). Now I would like to know whether there has been any reduction/expansion of the sinus v…

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## [Transparent segments viewed in 3D clipped by volume renderer?](https://discourse.slicer.org/t/transparent-segments-viewed-in-3d-clipped-by-volume-renderer/5982)

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**Author:** [@hherhold](https://discourse.slicer.org/u/hherhold)\
**Replies:** 6\
**Last updated:** [March 14, 2019, 4:41pm UTC](https://discourse.slicer.org/t/transparent-segments-viewed-in-3d-clipped-by-volume-renderer/5982 "2019-03-14T16:41:46Z")

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Can transparent segments be viewed in 3D along with the volume renderer? I searched through similar topics but didn’t find anything exactly like this. Quick list of steps: Make a segment Enable viewing in 3D Turn on v…

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## [Export multiple individual segment .stl files from one segmented nii.gz file using python script](https://discourse.slicer.org/t/export-multiple-individual-segment-stl-files-from-one-segmented-nii-gz-file-using-python-script/15687)

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**Author:** [@Mingxiao\_Tu](https://discourse.slicer.org/u/Mingxiao_Tu)\
**Replies:** 3\
**Last updated:** [January 27, 2021, 4:06am UTC](https://discourse.slicer.org/t/export-multiple-individual-segment-stl-files-from-one-segmented-nii-gz-file-using-python-script/15687 "2021-01-27T04:06:58Z")

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Hi there, I am currently new to 3dslicer and I have questions about how to perform a specific task using the python script code for 3d slicer. The segmented file (nii.gz) can be exported into individual ‘.stl’ files ba…

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## [Download on Windows 10 viewing Problems](https://discourse.slicer.org/t/download-on-windows-10-viewing-problems/15685)

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**Author:** [@gracegeorge](https://discourse.slicer.org/u/gracegeorge)\
**Replies:** 1\
**Last updated:** [January 27, 2021, 2:55am UTC](https://discourse.slicer.org/t/download-on-windows-10-viewing-problems/15685 "2021-01-27T02:55:43Z")

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When I downloaded the stable version, this is how I see it on my computer. I tried uninstalling and reinstalling, but not sure what else to do. Any suggestions? Thanks!

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## [Zspace IAO and VR extension](https://discourse.slicer.org/t/zspace-iao-and-vr-extension/15666)

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**Author:** [@David\_Yang](https://discourse.slicer.org/u/David_Yang)\
**Replies:** 2\
**Last updated:** [January 26, 2021, 7:50pm UTC](https://discourse.slicer.org/t/zspace-iao-and-vr-extension/15666 "2021-01-26T19:50:04Z")

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Hey, I’m new using Slicer3D,I didn’t find any informations about Zspace monitor ( https://zspace.com/ ) and slicer VR extension so hope someone who can clear me about it. So my problem : It seems we can “easily” display…

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## [Slicer failed build on win10](https://discourse.slicer.org/t/slicer-failed-build-on-win10/10654)

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**Author:** [@Dyatsen](https://discourse.slicer.org/u/Dyatsen)\
**Replies:** 5\
**Last updated:** [January 26, 2021, 1:12pm UTC](https://discourse.slicer.org/t/slicer-failed-build-on-win10/10654 "2021-01-26T13:12:19Z")

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Hello, I followed the Build Instructions to build Slicer on Windows 10. CMake: 3.15.0 Git: 2.25.1 Qt: 5.10.0 64-bit (MSVC 2015) Visual Studio 2015 After BUILD Slicer in Visual Studio, 42 errors occurred. Could …

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## [Segment Mesher on Vascular Bundles](https://discourse.slicer.org/t/segment-mesher-on-vascular-bundles/15656)

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**Author:** [@Shajia\_Ali](https://discourse.slicer.org/u/Shajia_Ali)\
**Replies:** 1\
**Last updated:** [January 26, 2021, 12:16am UTC](https://discourse.slicer.org/t/segment-mesher-on-vascular-bundles/15656 "2021-01-26T00:16:02Z")

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Hi everyone. I have a question regarding SegmentMesher. I know that SegmentMesher usually creates a mesh on the simplified Segmented Volume. But my Segmentation is rather ‘detailed’. I don’t want SegmentMesher ignore th…

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## [DICOM Import Error](https://discourse.slicer.org/t/dicom-import-error/15665)

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**Author:** [@nav](https://discourse.slicer.org/u/nav)\
**Replies:** 3\
**Last updated:** [January 25, 2021, 9:43pm UTC](https://discourse.slicer.org/t/dicom-import-error/15665 "2021-01-25T21:43:03Z")

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Problem report for Slicer 4.11.20200930 win-amd64: \[please describe expected and actual behavior\] Expected: DICOMs to import Actual: Getting 0 New Patients, 0 New Studies Log File: \[DEBUG\]\[Qt\] 25.01.2021 13:49:01 \[\] …

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## [There is a "cut view"?](https://discourse.slicer.org/t/there-is-a-cut-view/15653)

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**Author:** [@Polyynom](https://discourse.slicer.org/u/Polyynom)\
**Replies:** 2\
**Last updated:** [January 25, 2021, 9:09pm UTC](https://discourse.slicer.org/t/there-is-a-cut-view/15653 "2021-01-25T21:09:34Z")

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Hello dear users! I need to modify model inside. There is a “cut view” to deside this? Can I slice my model, modify it futher and and then return the sliced part. Thank you for your attention!

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## [Image Guided Surgery too slow](https://discourse.slicer.org/t/image-guided-surgery-too-slow/15654)

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**Author:** [@l.koopman](https://discourse.slicer.org/u/l.koopman)\
**Replies:** 0\
**Last updated:** [January 25, 2021, 2:12pm UTC](https://discourse.slicer.org/t/image-guided-surgery-too-slow/15654 "2021-01-25T14:12:59Z")

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Hi all, I am trying to make Image Guided Surgery possible with 3D Slicer (v4.11) using 6 NDI Aurora trackers. The movement of the trackers needs to be measured and corrected in real-time. I use the Fiducial Registration …

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## [Slicer fails to start - error 0xc0000017](https://discourse.slicer.org/t/slicer-fails-to-start-error-0xc0000017/15644)

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**Author:** [@slicer365](https://discourse.slicer.org/u/slicer365)\
**Replies:** 6\
**Last updated:** [January 25, 2021, 3:26am UTC](https://discourse.slicer.org/t/slicer-fails-to-start-error-0xc0000017/15644 "2021-01-25T03:26:51Z")

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The computer can run version 4.10 normally, but after 4.11 is installed, it prompts this error when running 4.11，0XC0000017 win10 -64

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## [Model2model distance: export values of vtk file](https://discourse.slicer.org/t/model2model-distance-export-values-of-vtk-file/15633)

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**Author:** [@nabilgh](https://discourse.slicer.org/u/nabilgh)\
**Replies:** 7\
**Last updated:** [January 24, 2021, 10:33pm UTC](https://discourse.slicer.org/t/model2model-distance-export-values-of-vtk-file/15633 "2021-01-24T22:33:44Z")

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I’m using Slicer 4.11 to compare the deviation between 2 dental models. I used the model2model distance extension to compare the models. The output created was VTK Output File. I would like to get the values in mm in …

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## [How to generate a FE grid of a hollow segmentation](https://discourse.slicer.org/t/how-to-generate-a-fe-grid-of-a-hollow-segmentation/15501)

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**Author:** [@nmmhuynh](https://discourse.slicer.org/u/nmmhuynh)\
**Replies:** 1\
**Last updated:** [January 24, 2021, 6:43pm UTC](https://discourse.slicer.org/t/how-to-generate-a-fe-grid-of-a-hollow-segmentation/15501 "2021-01-24T18:43:43Z")

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Hi all, I’m new to 3D slicer and probably my issue has been already solved in the past (if so, can someone please address me to the right topic?). I would like to generate a volumetric mesh of the left ventricle wall f…

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## [SegmentEditorExtraEffects extension](https://discourse.slicer.org/t/segmenteditorextraeffects-extension/15571)

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**Author:** [@teresabaena](https://discourse.slicer.org/u/teresabaena)\
**Replies:** 5\
**Last updated:** [January 24, 2021, 2:46pm UTC](https://discourse.slicer.org/t/segmenteditorextraeffects-extension/15571 "2021-01-24T14:46:35Z")

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Operating system: Mac Slicer version: 4.11.20200930 Expected behavior: use “watershed” effect with segment editor extra effects extensions Actual behavior: segment editor Hello! I´m a PhD student and I need to segmen…

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