# Support

**URL:** https://discourse.slicer.org/c/support/11.md?page=200

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

**Page:** 201

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## [Transforms module feature request](https://discourse.slicer.org/t/transforms-module-feature-request/25718)

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**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 3\
**Last updated:** [October 17, 2022, 8:34pm UTC](https://discourse.slicer.org/t/transforms-module-feature-request/25718 "2022-10-17T20:34:55Z")

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I have two request for Transforms module: While I can enable the visibility and 3D interaction of the transform in the Data module, I can’t seem to change the type of the interaction (rotate only, translate only, scale…

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## [Volume renderig vis segment editor - different models](https://discourse.slicer.org/t/volume-renderig-vis-segment-editor-different-models/25723)

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**Author:** [@eNable\_Polska](https://discourse.slicer.org/u/eNable_Polska)\
**Replies:** 4\
**Last updated:** [October 17, 2022, 7:15pm UTC](https://discourse.slicer.org/t/volume-renderig-vis-segment-editor-different-models/25723 "2022-10-17T19:15:25Z")

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How to fix the error in ct dicom, like you see The same examination, orange - volume rendering, yellow segment editor. win10, slicer 5.0.3,

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## [Failures saving a volume to path with % sign](https://discourse.slicer.org/t/failures-saving-a-volume-to-path-with-sign/25657)

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**Author:** [@jamesobutler](https://discourse.slicer.org/u/jamesobutler)\
**Replies:** 7\
**Last updated:** [October 17, 2022, 2:24pm UTC](https://discourse.slicer.org/t/failures-saving-a-volume-to-path-with-sign/25657 "2022-10-17T14:24:50Z")

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I’m observing an issue with some file I/O when reading/writing metaimage mhd+raw data in a filepath location that contains a character such as “%”. I have seen users utilize this character for a directory name when desc…

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## [Normalization (histogram pre and post)](https://discourse.slicer.org/t/normalization-histogram-pre-and-post/25727)

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**Author:** [@Josefa\_Garcia](https://discourse.slicer.org/u/Josefa_Garcia)\
**Replies:** 0\
**Last updated:** [October 17, 2022, 1:31am UTC](https://discourse.slicer.org/t/normalization-histogram-pre-and-post/25727 "2022-10-17T01:31:23Z")

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Why after apply the normalization using pyradiomics the images doesn’t change their histogram? or it is not supposed to modify the original image (mask)? thanks

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## [Stl saving as DICOM (standard compliant)](https://discourse.slicer.org/t/stl-saving-as-dicom-standard-compliant/25711)

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**Author:** [@mau\_igna\_06](https://discourse.slicer.org/u/mau_igna_06)\
**Replies:** 2\
**Last updated:** [October 16, 2022, 6:33am UTC](https://discourse.slicer.org/t/stl-saving-as-dicom-standard-compliant/25711 "2022-10-16T06:33:21Z")

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This command line tool allows to save a stl as DICOM. Regarding BRP would it be important to export custom surgical guides, reconstruction or anatomical models on the Slicer scene not as stl but as DICOM? I found this o…

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## [SlicerEAMapReader](https://discourse.slicer.org/t/slicereamapreader/25719)

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**Author:** [@EthanC](https://discourse.slicer.org/u/EthanC)\
**Replies:** 1\
**Last updated:** [October 16, 2022, 5:20am UTC](https://discourse.slicer.org/t/slicereamapreader/25719 "2022-10-16T05:20:27Z")

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I am currently working with SlicerEAMapReader and was wondering if anyone had an images that they would be willing to share with me. These would be output images from softwares such as carto 3, EnSite, Rhythmia, etc. It …

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## [How to extract points(edges) from a 3D surface model?](https://discourse.slicer.org/t/how-to-extract-points-edges-from-a-3d-surface-model/25716)

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**Author:** [@Chm](https://discourse.slicer.org/u/Chm)\
**Replies:** 6\
**Last updated:** [October 16, 2022, 12:31am UTC](https://discourse.slicer.org/t/how-to-extract-points-edges-from-a-3d-surface-model/25716 "2022-10-16T00:31:30Z")

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Dear all, I have hollow 3D objects and i need to to extract all the points(edges) from their surfuces in order to calculate the mean distance. How can i extract all these points ? Thanks a lot, Chris

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## [How do get this model to rotate around its center point?](https://discourse.slicer.org/t/how-do-get-this-model-to-rotate-around-its-center-point/25705)

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**Author:** [@q2577040659](https://discourse.slicer.org/u/q2577040659)\
**Replies:** 4\
**Last updated:** [October 15, 2022, 5:18pm UTC](https://discourse.slicer.org/t/how-do-get-this-model-to-rotate-around-its-center-point/25705 "2022-10-15T17:18:48Z")

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How do get this model to rotate around its center point?

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## [Markups ROI, adjust line thickness not worked?](https://discourse.slicer.org/t/markups-roi-adjust-line-thickness-not-worked/25684)

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**Author:** [@StephenLeePeng](https://discourse.slicer.org/u/StephenLeePeng)\
**Replies:** 6\
**Last updated:** [October 15, 2022, 2:26pm UTC](https://discourse.slicer.org/t/markups-roi-adjust-line-thickness-not-worked/25684 "2022-10-15T14:26:15Z")

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Hello every: When I created a Markups ROI default, then I want to change the line thickness of ROI. And according to the toolbar, I find the “Line thickness” option to achieve the goal. Line thickness supply two metho…

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## [Problems with 3D Slicer 5.0.3 Installation on Fedora 36](https://discourse.slicer.org/t/problems-with-3d-slicer-5-0-3-installation-on-fedora-36/25359)

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**Author:** [@cnot](https://discourse.slicer.org/u/cnot)\
**Replies:** 2\
**Last updated:** [October 14, 2022, 7:02am UTC](https://discourse.slicer.org/t/problems-with-3d-slicer-5-0-3-installation-on-fedora-36/25359 "2022-10-14T07:02:35Z")

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Hello all! I am running into some issues when trying to run Slicer 5.0.3 on my Fedora 36 workstation. I followed the instructions given here (Getting Started — 3D Slicer documentation), making sure to install the necess…

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## [Slicer 4.10.2 Not responding on Windows 10 (blank screen on older laptop)](https://discourse.slicer.org/t/slicer-4-10-2-not-responding-on-windows-10-blank-screen-on-older-laptop/7469)

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**Author:** [@sim.zanoni](https://discourse.slicer.org/u/sim.zanoni)\
**Replies:** 23\
**Last updated:** [October 13, 2022, 2:27pm UTC](https://discourse.slicer.org/t/slicer-4-10-2-not-responding-on-windows-10-blank-screen-on-older-laptop/7469 "2022-10-13T14:27:00Z")

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Hi All, After having used Slicer 4.8.1 on Mac OS X for about 2 years, I recently had the need to move to Windows 10. I choose to download the latest version 4.10.2, however, as soon as I run it, it crash displaying a bl…

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## [Why the condyle is saved as an empty model like the one in the photo below?](https://discourse.slicer.org/t/why-the-condyle-is-saved-as-an-empty-model-like-the-one-in-the-photo-below/25653)

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**Author:** [@Moh\_d\_Al-Watary](https://discourse.slicer.org/u/Moh_d_Al-Watary)\
**Replies:** 5\
**Last updated:** [October 13, 2022, 12:58pm UTC](https://discourse.slicer.org/t/why-the-condyle-is-saved-as-an-empty-model-like-the-one-in-the-photo-below/25653 "2022-10-13T12:58:08Z")

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Dears in 3D Slicer community, could any one please help me in regard to this issue: I have segmented the mandibular condyle, but when save it is empty from inside (not solid) as you can see in the figure below: I n…

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## [3D slicer for fiber analysis](https://discourse.slicer.org/t/3d-slicer-for-fiber-analysis/25065)

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**Author:** [@Trailer](https://discourse.slicer.org/u/Trailer)\
**Replies:** 4\
**Last updated:** [October 12, 2022, 3:00pm UTC](https://discourse.slicer.org/t/3d-slicer-for-fiber-analysis/25065 "2022-10-12T15:00:58Z")

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Hello, I have an image of rigid fibers, as depicted bellow. What information can I get out from 3D slicer? Is is possible to get the length, diameter, begining and end of the fiber/centerlines? Best Regards

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## [How to convert vtkData to RGB data?](https://discourse.slicer.org/t/how-to-convert-vtkdata-to-rgb-data/25650)

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**Author:** [@user4](https://discourse.slicer.org/u/user4)\
**Replies:** 1\
**Last updated:** [October 12, 2022, 2:10pm UTC](https://discourse.slicer.org/t/how-to-convert-vtkdata-to-rgb-data/25650 "2022-10-12T14:10:32Z")

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Hi,all. Here is one red slice of my image data(.vtk format) I get this slice with the following code, volume\_node = slicer.util.getNode("vtkMRMLScalarVolumeNode1") image = slicer.util.arrayFromVolume(volume\_node) r…

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## [Transform a labelmap with a transorm and save it](https://discourse.slicer.org/t/transform-a-labelmap-with-a-transorm-and-save-it/25640)

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**Author:** [@S\_Arbabi](https://discourse.slicer.org/u/S_Arbabi)\
**Replies:** 2\
**Last updated:** [October 12, 2022, 12:17pm UTC](https://discourse.slicer.org/t/transform-a-labelmap-with-a-transorm-and-save-it/25640 "2022-10-12T12:17:55Z")

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Hi, I have a labelmap and I’m transforming it using a transform node: lblmap\_node.SetAndObserveTransformNodeID(transform\_node.GetID()) but then when I save this labelmap\_node and open it later it seems like it hasn’t …

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## [Possibility to do DTI analysis (fractional anisotropy) for non brain parts?](https://discourse.slicer.org/t/possibility-to-do-dti-analysis-fractional-anisotropy-for-non-brain-parts/25645)

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**Author:** [@vvalle](https://discourse.slicer.org/u/vvalle)\
**Replies:** 2\
**Last updated:** [October 12, 2022, 8:02am UTC](https://discourse.slicer.org/t/possibility-to-do-dti-analysis-fractional-anisotropy-for-non-brain-parts/25645 "2022-10-12T08:02:53Z")

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Hello I have data the pelvis and would like to analyze fractional anisotropy. Now I have noticed that in Slicer DMRI (in Diffusion → Process) there is only the option “Diffusion Brain Masking”, but in my case it is non…

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## [(Paid) Request for Help: 3D Printing my Brain](https://discourse.slicer.org/t/paid-request-for-help-3d-printing-my-brain/25618)

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**Author:** [@Jarigho](https://discourse.slicer.org/u/Jarigho)\
**Replies:** 3\
**Last updated:** [October 12, 2022, 6:31am UTC](https://discourse.slicer.org/t/paid-request-for-help-3d-printing-my-brain/25618 "2022-10-12T06:31:20Z")

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Hi Guys, I was made aware of 3D slicer for my mechanical engineering thesis: Modelling of geometrically complex parts of the anatomy. However, that was many moons ago now, so would need to re skill. In the mean time, …

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## [Could not load: 303: HRCT EXPIRATION as a Scalar Volume \_ HRCT chest](https://discourse.slicer.org/t/could-not-load-303-hrct-expiration-as-a-scalar-volume-hrct-chest/25597)

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**Author:** [@ishankaw](https://discourse.slicer.org/u/ishankaw)\
**Replies:** 2\
**Last updated:** [October 12, 2022, 4:43am UTC](https://discourse.slicer.org/t/could-not-load-303-hrct-expiration-as-a-scalar-volume-hrct-chest/25597 "2022-10-12T04:43:22Z")

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Hi, I have tried to load a HRCT Chest DICOM series using Slicer V. 5.0.3. I get the following error message. I tried the dicompatcher but didn’t work. OS : Windows 11 Slicer version : 5.0.3

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## [Slicer quits when I load TIFF](https://discourse.slicer.org/t/slicer-quits-when-i-load-tiff/25630)

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**Author:** [@rtlim](https://discourse.slicer.org/u/rtlim)\
**Replies:** 7\
**Last updated:** [October 11, 2022, 9:51pm UTC](https://discourse.slicer.org/t/slicer-quits-when-i-load-tiff/25630 "2022-10-11T21:51:58Z")

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Operating system: Windows 10 Enterprise Slicer version: 5.0.3 I’ve been trying to load a TIFF file into Slicer but it keeps quitting whenever I try. I’ve tried using the “Add Data” button as well as loading through Ima…

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## [How to design a widget to select current volume in Python](https://discourse.slicer.org/t/how-to-design-a-widget-to-select-current-volume-in-python/25637)

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**Author:** [@user4](https://discourse.slicer.org/u/user4)\
**Replies:** 7\
**Last updated:** [October 11, 2022, 6:39pm UTC](https://discourse.slicer.org/t/how-to-design-a-widget-to-select-current-volume-in-python/25637 "2022-10-11T18:39:54Z")

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Hi,all. Here I load three volumes in Slicer as follows, I want to design a python script module in which there is a widget showing all the loaded volumes.When I select a particular volume,I can get its voxels and ma…

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## [Vessel radius for skeletonized vessels](https://discourse.slicer.org/t/vessel-radius-for-skeletonized-vessels/25631)

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**Author:** [@Mette\_Olufsen](https://discourse.slicer.org/u/Mette_Olufsen)\
**Replies:** 0\
**Last updated:** [October 10, 2022, 9:17pm UTC](https://discourse.slicer.org/t/vessel-radius-for-skeletonized-vessels/25631 "2022-10-10T21:17:46Z")

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Hi, I have in the past used both 3D-slicer with VMTK and with DGtal (https://dgtal.org/). The latter is more useful for large networks (pulmonary arteries), however, it doesn’t get the radii correctly for images where t…

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## [Image processing in Matlab](https://discourse.slicer.org/t/image-processing-in-matlab/25572)

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**Author:** [@PaoloZaffino](https://discourse.slicer.org/u/PaoloZaffino)\
**Replies:** 3\
**Last updated:** [October 10, 2022, 11:38am UTC](https://discourse.slicer.org/t/image-processing-in-matlab/25572 "2022-10-10T11:38:00Z")

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Hi all, I have a matlab script that processes an image. I would like to load a volume in slicer, run the matlab script from slicer, and get the results back in matlab. Any example/idea of how to do this? Thanks a lot…

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## [Hot measure mandibular condyle remodelling using SPHARM module in either Slicer or Slicre SALT software](https://discourse.slicer.org/t/hot-measure-mandibular-condyle-remodelling-using-spharm-module-in-either-slicer-or-slicre-salt-software/25625)

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**Author:** [@Moh\_d\_Al-Watary](https://discourse.slicer.org/u/Moh_d_Al-Watary)\
**Replies:** 0\
**Last updated:** [October 10, 2022, 10:05am UTC](https://discourse.slicer.org/t/hot-measure-mandibular-condyle-remodelling-using-spharm-module-in-either-slicer-or-slicre-salt-software/25625 "2022-10-10T10:05:33Z")

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Dears in 3D Slicer, I am conducting a project in which I am calculating mandibular condyle displacement after surgery by measuring the positional changes between two different timepoints CT (T1 and T2), (THIS IS DONE), …

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## [Default pyradiomics settings for PET and CT](https://discourse.slicer.org/t/default-pyradiomics-settings-for-pet-and-ct/25623)

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**Author:** [@mmay](https://discourse.slicer.org/u/mmay)\
**Replies:** 0\
**Last updated:** [October 10, 2022, 5:03am UTC](https://discourse.slicer.org/t/default-pyradiomics-settings-for-pet-and-ct/25623 "2022-10-10T05:03:07Z")

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Can the default pyradiomics settings be used indistinctly for PET, CT and MRI studies, without modifying any parameters? Thank you for your help!

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## [CT scan emptying](https://discourse.slicer.org/t/ct-scan-emptying/25619)

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**Author:** [@ermellina\_di\_bagno](https://discourse.slicer.org/u/ermellina_di_bagno)\
**Replies:** 1\
**Last updated:** [October 9, 2022, 8:35pm UTC](https://discourse.slicer.org/t/ct-scan-emptying/25619 "2022-10-09T20:35:50Z")

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Operating system: MAC OS MOJAVE Slicer version: 4.11.2 Expected behavior: Actual behavior:I uploaded a CT scan of a brown bear skull. the CT scan contains only the bone tissues and I need to keep only the external sur…

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## [Error Using Parenchyma Analysis Extension](https://discourse.slicer.org/t/error-using-parenchyma-analysis-extension/25584)

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**Author:** [@yonnif](https://discourse.slicer.org/u/yonnif)\
**Replies:** 6\
**Last updated:** [October 9, 2022, 7:38pm UTC](https://discourse.slicer.org/t/error-using-parenchyma-analysis-extension/25584 "2022-10-09T19:38:20Z")

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Very new to 3dslicer (and the forum) so please forgive any naive misunderstandings here. I’ve looked and didn’t find an answer in the forums. I’m using the parenchyma analysis extension to analyze a whole bunch of datas…

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## [Robust ICP alignment tool](https://discourse.slicer.org/t/robust-icp-alignment-tool/16107)

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**Author:** [@manjula](https://discourse.slicer.org/u/manjula)\
**Replies:** 5\
**Last updated:** [October 8, 2022, 9:57pm UTC](https://discourse.slicer.org/t/robust-icp-alignment-tool/16107 "2022-10-08T21:57:15Z")

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Hi, I am again frustrated with the ICP alignment of the surface registration of 3D Slicer. I am just wondering is it not possible to use this method in 3D Slicer ? This is for Blender and even with the basic setting…

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## [CARMA extension not installing](https://discourse.slicer.org/t/carma-extension-not-installing/25596)

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**Author:** [@Sophie\_Liu](https://discourse.slicer.org/u/Sophie_Liu)\
**Replies:** 3\
**Last updated:** [October 8, 2022, 2:10am UTC](https://discourse.slicer.org/t/carma-extension-not-installing/25596 "2022-10-08T02:10:08Z")

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keeps forcing my laptop to shut down and uninstall tons of apps like Firefox, vscode, MATLAB, and more. not sure if it’s a bug in my version of Slicer or I’m just not installing the extension properly. could I get some …

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## [Where is the "IGT / Plus model catalog browser module" in Slicer5?](https://discourse.slicer.org/t/where-is-the-igt-plus-model-catalog-browser-module-in-slicer5/25589)

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**Author:** [@tdchen](https://discourse.slicer.org/u/tdchen)\
**Replies:** 2\
**Last updated:** [October 8, 2022, 1:03am UTC](https://discourse.slicer.org/t/where-is-the-igt-plus-model-catalog-browser-module-in-slicer5/25589 "2022-10-08T01:03:00Z")

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I can’t find it, when I read SlicerIGT-Tutorial-SlicerIGT-U09\_Models.pptx. It seems to be in Clicer4, and I think it is useful. Thanks in advance.

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## [Mismatch in volume size of same segmentation](https://discourse.slicer.org/t/mismatch-in-volume-size-of-same-segmentation/25567)

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**Author:** [@Young\_Wang](https://discourse.slicer.org/u/Young_Wang)\
**Replies:** 2\
**Last updated:** [October 7, 2022, 7:31pm UTC](https://discourse.slicer.org/t/mismatch-in-volume-size-of-same-segmentation/25567 "2022-10-07T19:31:45Z")

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Hi there, I’m working on a registration-related project. While I was working on this project, I noticed something interesting after performing the following steps: created a segmentation from one volume shifted the or…

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