# Support

**URL:** https://discourse.slicer.org/c/support/11.md?page=230

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

**Page:** 231

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## [VTK to DICOM using 3D slicer or python shell](https://discourse.slicer.org/t/vtk-to-dicom-using-3d-slicer-or-python-shell/11639)

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**Author:** [@EkaitzEsteban87](https://discourse.slicer.org/u/EkaitzEsteban87)\
**Replies:** 4\
**Last updated:** [April 1, 2022, 7:02am UTC](https://discourse.slicer.org/t/vtk-to-dicom-using-3d-slicer-or-python-shell/11639 "2022-04-01T07:02:50Z")

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Hello, I have a question about VTK to DICOM conversion. I have an surface mesh VTK file which can be read perfectly in paraview. I want to convert this VTK to DICOM using 3D Slicer. Is there any possibility to make this…

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## [Dose Volume Histogram Plotting issue](https://discourse.slicer.org/t/dose-volume-histogram-plotting-issue/22781)

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**Author:** [@Js165](https://discourse.slicer.org/u/Js165)\
**Replies:** 10\
**Last updated:** [March 31, 2022, 11:07pm UTC](https://discourse.slicer.org/t/dose-volume-histogram-plotting-issue/22781 "2022-03-31T23:07:35Z")

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Hi, I am trying to plot a dose-volume histogram (DVH) graph using SlicerRT. I have a segmentation file in NIFTI format and a dose file in DICOM format. I am uploading the segmentation file as “segmentation” and the dose…

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## [Fused volume rendered images do not rotate in synchrony, seemingly don't reflect reality](https://discourse.slicer.org/t/fused-volume-rendered-images-do-not-rotate-in-synchrony-seemingly-dont-reflect-reality/22782)

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**Author:** [@maxaerosat.co.za](https://discourse.slicer.org/u/maxaerosat.co.za)\
**Replies:** 1\
**Last updated:** [March 31, 2022, 10:50pm UTC](https://discourse.slicer.org/t/fused-volume-rendered-images-do-not-rotate-in-synchrony-seemingly-dont-reflect-reality/22782 "2022-03-31T22:50:09Z")

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i managed to fuse a ct to a spect image and display the resultant fused image as a 3d volume . however if i rotate the fused image it appears asif it does not reflect reality , asif they still behave as seperate volmes…

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## [There is no Elastix module in the current version](https://discourse.slicer.org/t/there-is-no-elastix-module-in-the-current-version/22588)

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**Author:** [@slicer365](https://discourse.slicer.org/u/slicer365)\
**Replies:** 1\
**Last updated:** [March 31, 2022, 10:42pm UTC](https://discourse.slicer.org/t/there-is-no-elastix-module-in-the-current-version/22588 "2022-03-31T22:42:26Z")

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## [Where did my saved Segments  go ](https://discourse.slicer.org/t/where-did-my-saved-segments-go/22769)

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**Author:** [@tcboyer](https://discourse.slicer.org/u/tcboyer)\
**Replies:** 3\
**Last updated:** [March 31, 2022, 5:46pm UTC](https://discourse.slicer.org/t/where-did-my-saved-segments-go/22769 "2022-03-31T17:46:36Z")

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I am a new user. I created a sucessful segment using seeds. I saves the files and also created an .obj file to import into ZBrush. The import worked except that the file I imported was just the secondary segment that …

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## [Strange behavior in segmentation editor](https://discourse.slicer.org/t/strange-behavior-in-segmentation-editor/22777)

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**Author:** [@alan6690](https://discourse.slicer.org/u/alan6690)\
**Replies:** 1\
**Last updated:** [March 31, 2022, 3:51pm UTC](https://discourse.slicer.org/t/strange-behavior-in-segmentation-editor/22777 "2022-03-31T15:51:31Z")

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Sometimes when I use mask volume under the segmentation editor, the output volume option behaves weird that neither existing volume nor creating new volume can be chosen. Instead, only a option called “scene” can be sele…

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## [Smoothening of a volumetric mesh created by SegmentMesher and changed by applying DVF](https://discourse.slicer.org/t/smoothening-of-a-volumetric-mesh-created-by-segmentmesher-and-changed-by-applying-dvf/22757)

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**Author:** [@BraveDistribution](https://discourse.slicer.org/u/BraveDistribution)\
**Replies:** 3\
**Last updated:** [March 31, 2022, 2:00pm UTC](https://discourse.slicer.org/t/smoothening-of-a-volumetric-mesh-created-by-segmentmesher-and-changed-by-applying-dvf/22757 "2022-03-31T14:00:50Z")

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Hello, I face a problem that after transforming mesh created by SegmentMesher with transform obtained by elastix registration, mesh is heavily deformed and yielding weird outliers, see following image: The registrat…

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## [Bug? Segmentation opacity not updated in panel](https://discourse.slicer.org/t/bug-segmentation-opacity-not-updated-in-panel/22771)

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**Author:** [@DIV](https://discourse.slicer.org/u/DIV)\
**Replies:** 1\
**Last updated:** [March 31, 2022, 9:13am UTC](https://discourse.slicer.org/t/bug-segmentation-opacity-not-updated-in-panel/22771 "2022-03-31T09:13:26Z")

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I opened several Segmentations (by loading previously saved STL files. In the Segmentations module, with one Segmentation active I set the Overall opacity from 1.00 to 0.50. Its rendering in the 3D window was correspon…

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## [Slicer ini file locations](https://discourse.slicer.org/t/slicer-ini-file-locations/22766)

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**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 5\
**Last updated:** [March 31, 2022, 3:29am UTC](https://discourse.slicer.org/t/slicer-ini-file-locations/22766 "2022-03-31T03:29:15Z")

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As I understand Slicer has two ini files. Slicer.ini, which is sort of global and is read by all Slicer versions installed and then there is Slicer-XXXXX.ini which is version specific. For our docker instance we bake t…

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## [Segmentation: bone without implant, how to do?](https://discourse.slicer.org/t/segmentation-bone-without-implant-how-to-do/22748)

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**Author:** [@norus](https://discourse.slicer.org/u/norus)\
**Replies:** 3\
**Last updated:** [March 30, 2022, 12:01pm UTC](https://discourse.slicer.org/t/segmentation-bone-without-implant-how-to-do/22748 "2022-03-30T12:01:43Z")

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Operating system: win10 Slicer version:4.11.20200930 Expected behavior: Actual behavior: We do a lot of orthopaedic OPs. Sometimes its very interesting to see the bone without implant. Its very easy to reduce…

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## [Diameter quantification From vessel segmentation](https://discourse.slicer.org/t/diameter-quantification-from-vessel-segmentation/22758)

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**Author:** [@Adela\_Garcia](https://discourse.slicer.org/u/Adela_Garcia)\
**Replies:** 1\
**Last updated:** [March 30, 2022, 10:25am UTC](https://discourse.slicer.org/t/diameter-quantification-from-vessel-segmentation/22758 "2022-03-30T10:25:59Z")

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I have already segmented vessel and bone, an d get a segment with only the vessel, now I would like to quantify the diameters of the vessels in this segment. Do you known how I can to get it?

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## [Cut scalars from volume and model intersected interval](https://discourse.slicer.org/t/cut-scalars-from-volume-and-model-intersected-interval/22752)

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**Author:** [@keri](https://discourse.slicer.org/u/keri)\
**Replies:** 2\
**Last updated:** [March 29, 2022, 9:20pm UTC](https://discourse.slicer.org/t/cut-scalars-from-volume-and-model-intersected-interval/22752 "2022-03-29T21:20:53Z")

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Hi, I have a volume and surface that intersets that volume. Is it possible to slice/calculate amplitudes (scalars) from volume along that instersected interval? To clarify a little: There is a vtkMRMLScalarVolume node…

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## [Slicer 4.13 Editor module](https://discourse.slicer.org/t/slicer-4-13-editor-module/22756)

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**Author:** [@Cervantes](https://discourse.slicer.org/u/Cervantes)\
**Replies:** 4\
**Last updated:** [March 29, 2022, 7:09pm UTC](https://discourse.slicer.org/t/slicer-4-13-editor-module/22756 "2022-03-29T19:09:45Z")

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Hi everyone, I have just installed Slicer 4.13 and am working on making some models from CT scans (I have been following the Robles et al. 2020 paper). I was successful in Slicer 4.11, but in 4.13 I can’t find the “Edit…

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## [Foreground image is replaced when reloading scene](https://discourse.slicer.org/t/foreground-image-is-replaced-when-reloading-scene/22749)

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**Author:** [@rphellan2210](https://discourse.slicer.org/u/rphellan2210)\
**Replies:** 7\
**Last updated:** [March 29, 2022, 5:58pm UTC](https://discourse.slicer.org/t/foreground-image-is-replaced-when-reloading-scene/22749 "2022-03-29T17:58:31Z")

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I displayed MRHead\_1 (foreground) and MRHead (background) on the red view of Slicer. Then, I saved the scene and reloaded it, and MRHead\_1 was switched to MRHead. See image attached. Could this be a bug on Slicer?

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## [ITK Simple Filters - OtsuThresholdImageFilter Error](https://discourse.slicer.org/t/itk-simple-filters-otsuthresholdimagefilter-error/22747)

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**Author:** [@Michele\_Bailo](https://discourse.slicer.org/u/Michele_Bailo)\
**Replies:** 2\
**Last updated:** [March 29, 2022, 1:40pm UTC](https://discourse.slicer.org/t/itk-simple-filters-otsuthresholdimagefilter-error/22747 "2022-03-29T13:40:47Z")

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Hi there, Operating system:window10 Slicer version: 4.13.0-2021-12-22 r30513 / 0a65de7 I’m trying to perform an Otsu thresholding inside a tumor mask (LabelMap 0/1) using the OtsuThresholdImageFilter in ITK Simple Fil…

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## [VR module out of the newest version?](https://discourse.slicer.org/t/vr-module-out-of-the-newest-version/22740)

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**Author:** [@Eserval](https://discourse.slicer.org/u/Eserval)\
**Replies:** 2\
**Last updated:** [March 29, 2022, 12:24pm UTC](https://discourse.slicer.org/t/vr-module-out-of-the-newest-version/22740 "2022-03-29T12:24:58Z")

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Hello everyone, Does the Virtual reality module gone from the latest Slicer version (4.13.0)? Is there any way to use it, or install the aplication ? Best regards

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## [How the inner segment is displayed complete](https://discourse.slicer.org/t/how-the-inner-segment-is-displayed-complete/22721)

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**Author:** [@zl980215](https://discourse.slicer.org/u/zl980215)\
**Replies:** 2\
**Last updated:** [March 29, 2022, 2:39am UTC](https://discourse.slicer.org/t/how-the-inner-segment-is-displayed-complete/22721 "2022-03-29T02:39:59Z")

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Operating system:Ubuntu-20.04 Slicer version:SLicer-4.13.0 Expected behavior:Internal segment display complete Actual behavior:If you set the outer segment transparency to 0 and the inner segment transparency to 0.5, …

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## [Export DICOM-SEG data without reloading it](https://discourse.slicer.org/t/export-dicom-seg-data-without-reloading-it/22738)

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**Author:** [@Johannes](https://discourse.slicer.org/u/Johannes)\
**Replies:** 0\
**Last updated:** [March 28, 2022, 9:30pm UTC](https://discourse.slicer.org/t/export-dicom-seg-data-without-reloading-it/22738 "2022-03-28T21:30:50Z")

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Hi 3D Slicer forum, Unfortunately, as described in this post, some DICOM files do not have correctly saved data on origin, spacing and axis directions. Therefore, no DICOM-SEG object can be created. As described in th…

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## [How can I correct the noise in my 3d model?](https://discourse.slicer.org/t/how-can-i-correct-the-noise-in-my-3d-model/22736)

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**Author:** [@Sevda\_Zarei](https://discourse.slicer.org/u/Sevda_Zarei)\
**Replies:** 0\
**Last updated:** [March 28, 2022, 8:27pm UTC](https://discourse.slicer.org/t/how-can-i-correct-the-noise-in-my-3d-model/22736 "2022-03-28T20:27:37Z")

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Hello 3Dslicer support team I hope this massage finds you well. As you can see my 3D model and coronal and sagittal views in 3D slicer has noise like these. but there is high quality images in axial view. I tried to re…

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## [How can I import the mesh created in comsol to the nirfast ?](https://discourse.slicer.org/t/how-can-i-import-the-mesh-created-in-comsol-to-the-nirfast/22669)

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**Author:** [@dantu](https://discourse.slicer.org/u/dantu)\
**Replies:** 6\
**Last updated:** [March 28, 2022, 1:32pm UTC](https://discourse.slicer.org/t/how-can-i-import-the-mesh-created-in-comsol-to-the-nirfast/22669 "2022-03-28T13:32:23Z")

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Operating system:window10 Slicer version:2.0.0 Expected behavior:use the mesh created in comsol to compete image reconstruction Actual behavior:there’s no where to import the data

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## [Real-time Image Guided Surgery](https://discourse.slicer.org/t/real-time-image-guided-surgery/18477)

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**Author:** [@Ahmet\_Yildiz](https://discourse.slicer.org/u/Ahmet_Yildiz)\
**Replies:** 5\
**Last updated:** [March 28, 2022, 12:09pm UTC](https://discourse.slicer.org/t/real-time-image-guided-surgery/18477 "2022-03-28T12:09:05Z")

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Operating system: Windows 10 Slicer version: 4.11 Overall Goal: Visualizing the brain in Real-time to design and follow a trajectory using a stylus tracked with optical tracker. Problem: Present a real-time cross sect…

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## [How to resolve tangent-edged ball display incompleteness](https://discourse.slicer.org/t/how-to-resolve-tangent-edged-ball-display-incompleteness/22722)

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**Author:** [@zl980215](https://discourse.slicer.org/u/zl980215)\
**Replies:** 0\
**Last updated:** [March 28, 2022, 11:20am UTC](https://discourse.slicer.org/t/how-to-resolve-tangent-edged-ball-display-incompleteness/22722 "2022-03-28T11:20:41Z")

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Operating system:Ubuntu 20.04 Slicer version:Slicer-4.13.0 Expected behavior: Actual behavior:

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## [An error occurred when I imported the folder. Could I ask for help?](https://discourse.slicer.org/t/an-error-occurred-when-i-imported-the-folder-could-i-ask-for-help/22720)

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**Author:** [@song580lei](https://discourse.slicer.org/u/song580lei)\
**Replies:** 0\
**Last updated:** [March 28, 2022, 11:17am UTC](https://discourse.slicer.org/t/an-error-occurred-when-i-imported-the-folder-could-i-ask-for-help/22720 "2022-03-28T11:17:40Z")

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## [Registration method for automatically segmented 2D US slices](https://discourse.slicer.org/t/registration-method-for-automatically-segmented-2d-us-slices/22717)

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**Author:** [@Marijn\_H](https://discourse.slicer.org/u/Marijn_H)\
**Replies:** 0\
**Last updated:** [March 28, 2022, 10:42am UTC](https://discourse.slicer.org/t/registration-method-for-automatically-segmented-2d-us-slices/22717 "2022-03-28T10:42:29Z")

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I am trying to automatically register tracked US images to a CT scan (with 3D model). I already developed a way to automatically segment bone from US images in real-time. The segmented binary image can be loaded in slice…

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## [Real-time processing of data retrieved from a Plus Server](https://discourse.slicer.org/t/real-time-processing-of-data-retrieved-from-a-plus-server/22714)

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**Author:** [@lb123](https://discourse.slicer.org/u/lb123)\
**Replies:** 0\
**Last updated:** [March 28, 2022, 7:32am UTC](https://discourse.slicer.org/t/real-time-processing-of-data-retrieved-from-a-plus-server/22714 "2022-03-28T07:32:43Z")

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Hi, I am trying to process in real-time the data retrieved from a Plus Server and then visualise it in Slicer. The only way I was able to handle this problem until now is the following: In an external python script I…

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## [Archlinux and Slicer Extensions Manager is empty](https://discourse.slicer.org/t/archlinux-and-slicer-extensions-manager-is-empty/22710)

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**Author:** [@eNable\_Polska](https://discourse.slicer.org/u/eNable_Polska)\
**Replies:** 1\
**Last updated:** [March 27, 2022, 2:54pm UTC](https://discourse.slicer.org/t/archlinux-and-slicer-extensions-manager-is-empty/22710 "2022-03-27T14:54:02Z")

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Operating system: Archlinux 64bit, PL Slicer version: Any (2021-2022) Expected behavior: see extensions Actual behavior: I dont see any extensions. I removed from home directory NA-MIC directory, the same directory i…

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## [Loading DICOM SEG imports referenced scalar volume and first slice of referenced series](https://discourse.slicer.org/t/loading-dicom-seg-imports-referenced-scalar-volume-and-first-slice-of-referenced-series/22692)

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**Author:** [@jordanpn](https://discourse.slicer.org/u/jordanpn)\
**Replies:** 6\
**Last updated:** [March 27, 2022, 6:07am UTC](https://discourse.slicer.org/t/loading-dicom-seg-imports-referenced-scalar-volume-and-first-slice-of-referenced-series/22692 "2022-03-27T06:07:23Z")

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When loading DICOM SEG objects, Slicer suggests loading referenced datasets, i.e. the MR series on which segmentation was performed, which makes perfect sense. Is it expected behavior that after loading, Slicer creates t…

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## [Python interactor showing message when turned on](https://discourse.slicer.org/t/python-interactor-showing-message-when-turned-on/22701)

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**Author:** [@hourglassnam](https://discourse.slicer.org/u/hourglassnam)\
**Replies:** 4\
**Last updated:** [March 27, 2022, 2:23am UTC](https://discourse.slicer.org/t/python-interactor-showing-message-when-turned-on/22701 "2022-03-27T02:23:36Z")

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Hello! I have been getting this message when I load the 3d slicer and I wanted to know if this is something I should be worried about. I thought this was a default message, but as I go through the forum I have been rea…

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## [No isodose lines/surfaces in SlicerRT - dose volume is neither "GY" nor "RELATIVE"](https://discourse.slicer.org/t/no-isodose-lines-surfaces-in-slicerrt-dose-volume-is-neither-gy-nor-relative/20429)

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**Author:** [@Harsforn](https://discourse.slicer.org/u/Harsforn)\
**Replies:** 13\
**Last updated:** [March 26, 2022, 1:07pm UTC](https://discourse.slicer.org/t/no-isodose-lines-surfaces-in-slicerrt-dose-volume-is-neither-gy-nor-relative/20429 "2022-03-26T13:07:33Z")

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Hi all, I’m trying to generate a RT treatment plan and visualise isodose surfaces through the SlicerRT extension. I’ve added 5 beams and selected the Mock Python dose engine but after calculating, the output dose volume…

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## [Dentistry segmentation](https://discourse.slicer.org/t/dentistry-segmentation/22687)

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**Author:** [@Nicholas\_Zanoni](https://discourse.slicer.org/u/Nicholas_Zanoni)\
**Replies:** 3\
**Last updated:** [March 26, 2022, 1:00pm UTC](https://discourse.slicer.org/t/dentistry-segmentation/22687 "2022-03-26T13:00:08Z")

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hello, i’m new here. i wanted to ask if anyone can send me some final datas about teeth segmentation. thank you

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