# Support

**URL:** https://discourse.slicer.org/c/support/11.md?page=284

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

**Page:** 285

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## [creating mesh surface or volume (vtk, vtp) from binary images ](https://discourse.slicer.org/t/creating-mesh-surface-or-volume-vtk-vtp-from-binary-images/17324)

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**Author:** [@parvaneh.a](https://discourse.slicer.org/u/parvaneh.a)\
**Replies:** 11\
**Last updated:** [April 27, 2021, 1:33am UTC](https://discourse.slicer.org/t/creating-mesh-surface-or-volume-vtk-vtp-from-binary-images/17324 "2021-04-27T01:33:44Z")

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Operating system: macos Slicer version:4.13 Expected behavior: change nii segmentation to .vtk Actual behavior: the vtk format is not available for export mesh I have a binary 3d nii image and I am trying to make a m…

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## [Can 3D slicer reach transparency in volume rendering like syngo do?](https://discourse.slicer.org/t/can-3d-slicer-reach-transparency-in-volume-rendering-like-syngo-do/17329)

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**Author:** [@chendong9416](https://discourse.slicer.org/u/chendong9416)\
**Replies:** 5\
**Last updated:** [April 26, 2021, 11:00pm UTC](https://discourse.slicer.org/t/can-3d-slicer-reach-transparency-in-volume-rendering-like-syngo-do/17329 "2021-04-26T23:00:09Z")

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it is crucial for vascular surgeon to confirm the position of intimal tear in aortic dissection even in low quality CTA

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## [Elastix AND Python Scripting](https://discourse.slicer.org/t/elastix-and-python-scripting/15923)

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**Author:** [@HodaGH](https://discourse.slicer.org/u/HodaGH)\
**Replies:** 3\
**Last updated:** [April 26, 2021, 10:23pm UTC](https://discourse.slicer.org/t/elastix-and-python-scripting/15923 "2021-04-26T22:23:36Z")

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Hi all, I want to perform groupwise registration as described here https://simpleelastix.readthedocs.io/GroupwiseRegistration.html with python scripting. Should I build Elastix from scratch or is there a way to do it wi…

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## [Merge CAD file with segmentation](https://discourse.slicer.org/t/merge-cad-file-with-segmentation/17338)

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**Author:** [@Hamid](https://discourse.slicer.org/u/Hamid)\
**Replies:** 0\
**Last updated:** [April 26, 2021, 3:30pm UTC](https://discourse.slicer.org/t/merge-cad-file-with-segmentation/17338 "2021-04-26T15:30:50Z")

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Hi, I want to import the .stl or part format file from solidworks and then connect it to my lumen and finally merge them as a one .stl file. Is it possible to do? if so could you please help me with that and show me the…

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## [Why the the tool of scissor become slower after I undated my computer?](https://discourse.slicer.org/t/why-the-the-tool-of-scissor-become-slower-after-i-undated-my-computer/10887)

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**Author:** [@researchtomliu](https://discourse.slicer.org/u/researchtomliu)\
**Replies:** 14\
**Last updated:** [April 26, 2021, 8:20pm UTC](https://discourse.slicer.org/t/why-the-the-tool-of-scissor-become-slower-after-i-undated-my-computer/10887 "2021-04-26T20:20:25Z")

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I have updated my computer to make the 3D-Slicer run faster. The new CPU is AMD 2950X and the GPU is RTX 2080Ti. But when I performed the software to deal with the DICOM data, I found that running of scissor tool in the …

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## [Elastix registration error](https://discourse.slicer.org/t/elastix-registration-error/17335)

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**Author:** [@Bence\_Horvath](https://discourse.slicer.org/u/Bence_Horvath)\
**Replies:** 4\
**Last updated:** [April 26, 2021, 4:58pm UTC](https://discourse.slicer.org/t/elastix-registration-error/17335 "2021-04-26T16:58:21Z")

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Hi, I want to registrate preoperative CT with postoperative CT , but Elastix always give me this error, when try to generate output: Failed to load output transform from C:/Users/HORVIR~1/AppData/Local/Temp/Slicer/E…

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## [Copy contour to adjacent slices](https://discourse.slicer.org/t/copy-contour-to-adjacent-slices/17239)

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**Author:** [@ferhue](https://discourse.slicer.org/u/ferhue)\
**Replies:** 3\
**Last updated:** [April 26, 2021, 1:54pm UTC](https://discourse.slicer.org/t/copy-contour-to-adjacent-slices/17239 "2021-04-26T13:54:45Z")

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Hello, I was wondering what is the best way to exactly copy a contour from one slice to the adjacent one. I would find such a plugin or feature useful when I am designing 3D printed supports for phantoms. This would al…

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## [Segmentation visible only in 3D](https://discourse.slicer.org/t/segmentation-visible-only-in-3d/5530)

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**Author:** [@David\_M](https://discourse.slicer.org/u/David_M)\
**Replies:** 26\
**Last updated:** [April 26, 2021, 12:28pm UTC](https://discourse.slicer.org/t/segmentation-visible-only-in-3d/5530 "2021-04-26T12:28:54Z")

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Operating system: Windows 10 Slicer version:4.10.1 (tried also with 4.10.0) Expected behavior: see segmentation in 2D Actual behavior: can see only in 3D! Hi please help me. Unfortunately, the software does not s…

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## [Volume mesh with uniform element size](https://discourse.slicer.org/t/volume-mesh-with-uniform-element-size/17319)

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**Author:** [@michxu98](https://discourse.slicer.org/u/michxu98)\
**Replies:** 1\
**Last updated:** [April 26, 2021, 1:45am UTC](https://discourse.slicer.org/t/volume-mesh-with-uniform-element-size/17319 "2021-04-26T01:45:05Z")

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Hello, I am trying to generate a volume mesh with uniform element size from a segmentation using Cleaver in the Segment Mesher module, however the output mesh does not seem to have uniform element sizes: Slicer vers…

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## [Could not find WebEngineProcess.exe](https://discourse.slicer.org/t/could-not-find-webengineprocess-exe/17035)

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**Author:** [@wujie](https://discourse.slicer.org/u/wujie)\
**Replies:** 12\
**Last updated:** [April 25, 2021, 9:56pm UTC](https://discourse.slicer.org/t/could-not-find-webengineprocess-exe/17035 "2021-04-25T21:56:27Z")

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when I debug the Slicer programe,and run the extension manager,make a error “Could not find QtWebEngineProcess.exe”，how can I address it?

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## [Crash when right-click changing markup point name - 4/15 nightly](https://discourse.slicer.org/t/crash-when-right-click-changing-markup-point-name-4-15-nightly/17312)

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**Author:** [@hherhold](https://discourse.slicer.org/u/hherhold)\
**Replies:** 4\
**Last updated:** [April 25, 2021, 6:43pm UTC](https://discourse.slicer.org/t/crash-when-right-click-changing-markup-point-name-4-15-nightly/17312 "2021-04-25T18:43:03Z")

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MacOS 10.15.7. This is an annoyingly intermittent crash. Sometimes when I right-click on a markup point to change the name, after modifying the name and hitting OK, Slicer seg faults. I’m guessing the best course of ac…

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## [Delete or inactivated some images](https://discourse.slicer.org/t/delete-or-inactivated-some-images/17291)

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**Author:** [@Valentina\_Mejia\_Gall](https://discourse.slicer.org/u/Valentina_Mejia_Gall)\
**Replies:** 1\
**Last updated:** [April 25, 2021, 2:08pm UTC](https://discourse.slicer.org/t/delete-or-inactivated-some-images/17291 "2021-04-25T14:08:35Z")

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Hello!, i’m working in a project where we have to reconstruct the same bone but we are changing the number or slices we’re using. Achieving this with a CT scan with about 30000 images, so we want to make the same recon…

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## [Showing Arteries](https://discourse.slicer.org/t/showing-arteries/17288)

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**Author:** [@IzzyRobb](https://discourse.slicer.org/u/IzzyRobb)\
**Replies:** 2\
**Last updated:** [April 25, 2021, 2:01pm UTC](https://discourse.slicer.org/t/showing-arteries/17288 "2021-04-25T14:01:05Z")

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I’m trying to locate the Circle of Willis within a brain scan (just using sample data for now) but am finding it hard to segment the arteries from the rest of the scan. Is there a specific module or method to use to show…

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## [Skull sutures in CT](https://discourse.slicer.org/t/skull-sutures-in-ct/12875)

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**Author:** [@Mohamed\_Attia](https://discourse.slicer.org/u/Mohamed_Attia)\
**Replies:** 7\
**Last updated:** [April 25, 2021, 1:27pm UTC](https://discourse.slicer.org/t/skull-sutures-in-ct/12875 "2021-04-25T13:27:54Z")

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Hello everyone, I am new to 3D slicer. I am working on a research project that needs to extract the skull sutures. I was able to used manually to approximate them. I used “shift” to make the sutures more evident. I was …

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## [Problems with 3D slicer 4.11](https://discourse.slicer.org/t/problems-with-3d-slicer-4-11/17301)

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**Author:** [@aseman](https://discourse.slicer.org/u/aseman)\
**Replies:** 1\
**Last updated:** [April 25, 2021, 1:16pm UTC](https://discourse.slicer.org/t/problems-with-3d-slicer-4-11/17301 "2021-04-25T13:16:57Z")

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Slicer version:4.11 Hi 3D slicer experts and all I want to use 3D slicer 4.11, but when I load RT plan , its error is: could not loud RT PLAN as a RT. Also, when I want to install new extensions such as “Longitudinal…

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## [2D fetal ultrasound to 3D print](https://discourse.slicer.org/t/2d-fetal-ultrasound-to-3d-print/17307)

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**Author:** [@pengkelly](https://discourse.slicer.org/u/pengkelly)\
**Replies:** 0\
**Last updated:** [April 25, 2021, 1:02pm UTC](https://discourse.slicer.org/t/2d-fetal-ultrasound-to-3d-print/17307 "2021-04-25T13:02:26Z")

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Hi everyone, I’m a newbie to this forum and I’m interested in turning 2D fetal ultrasound volume into 3D STL file. The machine I use is Hitachi arietta 70 and I’ve attached the exported volume file below. I really don’t…

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## [ADC values on a DWI scan](https://discourse.slicer.org/t/adc-values-on-a-dwi-scan/1352)

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**Author:** [@faraz1368](https://discourse.slicer.org/u/faraz1368)\
**Replies:** 11\
**Last updated:** [April 23, 2021, 9:09pm UTC](https://discourse.slicer.org/t/adc-values-on-a-dwi-scan/1352 "2021-04-23T21:09:35Z")

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Hi, I wanted to know if it is possible to load a DWI scan into slicer, draw a ROI and find the ADC values (in 10-6 mm2/s) (average and a distribution curve) corresponding to that ROI. Thank you for your responses Fara…

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## [Fiducial awol under 2D view but not 3D](https://discourse.slicer.org/t/fiducial-awol-under-2d-view-but-not-3d/17282)

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**Author:** [@njeffery123](https://discourse.slicer.org/u/njeffery123)\
**Replies:** 2\
**Last updated:** [April 23, 2021, 6:17pm UTC](https://discourse.slicer.org/t/fiducial-awol-under-2d-view-but-not-3d/17282 "2021-04-23T18:17:11Z")

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Dear All, Just upgraded from 4.10 to latest stable version 4.11.20210226 My old 4.10 scenes open up ok but strangely I can not see my fiducial markers in the 2D views. They do appear ok in the 3D view, just missing alt…

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## [3D surface model color](https://discourse.slicer.org/t/3d-surface-model-color/17253)

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**Author:** [@anromero](https://discourse.slicer.org/u/anromero)\
**Replies:** 7\
**Last updated:** [April 23, 2021, 5:37pm UTC](https://discourse.slicer.org/t/3d-surface-model-color/17253 "2021-04-23T17:37:41Z")

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I’ve imported .ply files to do some landmarking for a geometric morphometrics project. Is there a way to set the surface to be the image collected from the surface scanner? This is an option in the old software Landmark …

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## [Python script : Time series of 4D volume & loading synchronized nodes](https://discourse.slicer.org/t/python-script-time-series-of-4d-volume-loading-synchronized-nodes/17272)

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**Author:** [@valery](https://discourse.slicer.org/u/valery)\
**Replies:** 4\
**Last updated:** [April 23, 2021, 5:33pm UTC](https://discourse.slicer.org/t/python-script-time-series-of-4d-volume-loading-synchronized-nodes/17272 "2021-04-23T17:33:21Z")

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Hello, I’m playing with 4D data format and Slicer. I found lots of information on the forum but I’m looking for additional details. The final objective. To load multiple 4D nifti volume (3D+time) in the sequence module…

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## [SingleSliceSegmentation segmentable area is limited/cropped](https://discourse.slicer.org/t/singleslicesegmentation-segmentable-area-is-limited-cropped/16775)

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**Author:** [@LoganWade](https://discourse.slicer.org/u/LoganWade)\
**Replies:** 7\
**Last updated:** [April 23, 2021, 5:03pm UTC](https://discourse.slicer.org/t/singleslicesegmentation-segmentable-area-is-limited-cropped/16775 "2021-04-23T17:03:23Z")

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Hi, I am trying to use the SingleSliceSegmentation Module to track indiviual images to use with the AIGT code published by Ungi, T., King, F., Kempston, M., Keri, Z., Lasso, A., Mousavi, P., . . . Fichtinger, G. (2014). …

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## [Export Dicom Structure Set](https://discourse.slicer.org/t/export-dicom-structure-set/17273)

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**Author:** [@m4l7](https://discourse.slicer.org/u/m4l7)\
**Replies:** 3\
**Last updated:** [April 23, 2021, 3:01pm UTC](https://discourse.slicer.org/t/export-dicom-structure-set/17273 "2021-04-23T15:01:34Z")

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Operating system: WIndows 10 Slicer version: 4.11 Expected behavior: When modifiying an existing or creating a new segmentation set with respect to a master volume (e.g. CT) and saving it back (doing the described expo…

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## [Shrinkwrapping tool in 3dslicer](https://discourse.slicer.org/t/shrinkwrapping-tool-in-3dslicer/17189)

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**Author:** [@Valentina\_Mejia\_Gall](https://discourse.slicer.org/u/Valentina_Mejia_Gall)\
**Replies:** 6\
**Last updated:** [April 23, 2021, 2:38pm UTC](https://discourse.slicer.org/t/shrinkwrapping-tool-in-3dslicer/17189 "2021-04-23T14:38:19Z")

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Hello!, i have a question, in 3dslicer is there a tool like a “Wraping tool” in the Remesher that can be used to fill in the holes of the 3D model. This is an especially useful tool for FEA where holes can cause inaccu…

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## [Dice Similarity compare segment TP and TN correct?](https://discourse.slicer.org/t/dice-similarity-compare-segment-tp-and-tn-correct/17246)

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**Author:** [@Focus](https://discourse.slicer.org/u/Focus)\
**Replies:** 3\
**Last updated:** [April 23, 2021, 12:44pm UTC](https://discourse.slicer.org/t/dice-similarity-compare-segment-tp-and-tn-correct/17246 "2021-04-23T12:44:00Z")

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I use this module to compare segment and I use the same model. I don’t know why TruePositve value is less than TrueNegative value. I think this algorithm is measure from the box of pink. Am I true?? that the area outside…

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## [3D Slicer Custom App bundling SlicerElastix extension](https://discourse.slicer.org/t/3d-slicer-custom-app-bundling-slicerelastix-extension/17255)

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**Author:** [@marianaslicer](https://discourse.slicer.org/u/marianaslicer)\
**Replies:** 3\
**Last updated:** [April 23, 2021, 8:30am UTC](https://discourse.slicer.org/t/3d-slicer-custom-app-bundling-slicerelastix-extension/17255 "2021-04-23T08:30:59Z")

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Hi everyone, I was able to create an executable file for my 3D Slicer Custom App following this tutorial https://blog.kitware.com/slicercat-creating-custom-applications-based-on-3d-slicer/ and with your useful suggestio…

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## [Error with Elastix Registration: Elastix not found](https://discourse.slicer.org/t/error-with-elastix-registration-elastix-not-found/17235)

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**Author:** [@marianaslicer](https://discourse.slicer.org/u/marianaslicer)\
**Replies:** 3\
**Last updated:** [April 22, 2021, 10:36pm UTC](https://discourse.slicer.org/t/error-with-elastix-registration-elastix-not-found/17235 "2021-04-22T22:36:51Z")

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Hi everyone, I’m working on a Slicer custom application, which was built according to this tutorial: SlicerCAT: Creating custom applications based on 3D Slicer - Kitware Blog The application runs a custom module develo…

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## [Set location to start scene with VR plugin. Text not working in VR pluging](https://discourse.slicer.org/t/set-location-to-start-scene-with-vr-plugin-text-not-working-in-vr-pluging/16732)

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**Author:** [@smallvalthoss](https://discourse.slicer.org/u/smallvalthoss)\
**Replies:** 9\
**Last updated:** [April 22, 2021, 8:55pm UTC](https://discourse.slicer.org/t/set-location-to-start-scene-with-vr-plugin-text-not-working-in-vr-pluging/16732 "2021-04-22T20:55:23Z")

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Hello, Firstly, I’m wondering if it is possible to set a starting location for the VR camera. I was hoping for something akin to unity’s camera object, where you can move it in the window. It then always starts from tha…

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## [Convert NRRD to DICOM](https://discourse.slicer.org/t/convert-nrrd-to-dicom/17251)

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**Author:** [@Lily](https://discourse.slicer.org/u/Lily)\
**Replies:** 4\
**Last updated:** [April 22, 2021, 8:45pm UTC](https://discourse.slicer.org/t/convert-nrrd-to-dicom/17251 "2021-04-22T20:45:25Z")

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Hello there! I’m new to 3D slicer and I was wondering if there’s an easy way to convert thousands of nrrd images to dicom, I have already tried create a dicom series module but for that I will have to select the input v…

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## [Model-to-Model Distance - How to see the Inside](https://discourse.slicer.org/t/model-to-model-distance-how-to-see-the-inside/17233)

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**Author:** [@seanchoi0519](https://discourse.slicer.org/u/seanchoi0519)\
**Replies:** 5\
**Last updated:** [April 22, 2021, 5:28pm UTC](https://discourse.slicer.org/t/model-to-model-distance-how-to-see-the-inside/17233 "2021-04-22T17:28:25Z")

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I have two tooth models I am comparing. One of them has been drilled (YELLOW), while the other is in pristine condition (RED). I have aligned them using ALPACA and then used model-to-model distance extension to calculate…

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## [Geodesic Slicer](https://discourse.slicer.org/t/geodesic-slicer/17071)

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**Author:** [@Antonio\_Giulio\_Genna](https://discourse.slicer.org/u/Antonio_Giulio_Genna)\
**Replies:** 9\
**Last updated:** [April 22, 2021, 2:42pm UTC](https://discourse.slicer.org/t/geodesic-slicer/17071 "2021-04-22T14:42:43Z")

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Operating system: Windows Slicer version: 4.11.20210226 Expected behavior: Extract mesh Actual behavior: Create a mesh of the whole volume and not of the patient Dear Support Team, I recently approached the Geodesic…

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