# Support

**URL:** https://discourse.slicer.org/c/support/11.md?page=258

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

**Page:** 259

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## [Getting ROI bounds from vtkMRMLMarkupsROINode](https://discourse.slicer.org/t/getting-roi-bounds-from-vtkmrmlmarkupsroinode/19852)

<div class="topic-metadata">

**Author:** [@masadcv](https://discourse.slicer.org/u/masadcv)\
**Replies:** 6\
**Last updated:** [September 27, 2021, 9:20pm UTC](https://discourse.slicer.org/t/getting-roi-bounds-from-vtkmrmlmarkupsroinode/19852 "2021-09-27T21:20:55Z")

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I am looking into switching from vtkMRMLAnnotationROINode to vtkMRMLMarkupsROINode node for selecting ROI bounding box within a volume. Previously I have been using GetBounds() function to quickly get bounding box of th…

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## [How to hide patient name](https://discourse.slicer.org/t/how-to-hide-patient-name/19801)

<div class="topic-metadata">

**Author:** [@akmal871026](https://discourse.slicer.org/u/akmal871026)\
**Replies:** 9\
**Last updated:** [September 27, 2021, 6:57pm UTC](https://discourse.slicer.org/t/how-to-hide-patient-name/19801 "2021-09-27T18:57:35Z")

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Does anyone know how to hide the patient name in all views?

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## [Finding landmark pairing information from PseudoLMGenerator](https://discourse.slicer.org/t/finding-landmark-pairing-information-from-pseudolmgenerator/19866)

<div class="topic-metadata">

**Author:** [@lv\_xiao](https://discourse.slicer.org/u/lv_xiao)\
**Replies:** 6\
**Last updated:** [September 27, 2021, 4:11pm UTC](https://discourse.slicer.org/t/finding-landmark-pairing-information-from-pseudolmgenerator/19866 "2021-09-27T16:11:07Z")

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I am PseudoLMGenerator to create symmetric pseudolandmarks on a 3D human facial surface mesh. I have coordinate information for midfacial landmarks, which could be used as the Plane. However, in Markups module, the pl…

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## [Create equidistant points along curve for automated measurements](https://discourse.slicer.org/t/create-equidistant-points-along-curve-for-automated-measurements/19870)

<div class="topic-metadata">

**Author:** [@nabilgh](https://discourse.slicer.org/u/nabilgh)\
**Replies:** 1\
**Last updated:** [September 26, 2021, 6:37pm UTC](https://discourse.slicer.org/t/create-equidistant-points-along-curve-for-automated-measurements/19870 "2021-09-26T18:37:33Z")

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Hello. Is it possible to create equidistant fiducials on a curve (in a module or script)? It means i need to divide a curved into a certain number of points in order to perform automated measurements from these points to…

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## [Changing Python terminal font size and colour](https://discourse.slicer.org/t/changing-python-terminal-font-size-and-colour/19874)

<div class="topic-metadata">

**Author:** [@skrishnanv](https://discourse.slicer.org/u/skrishnanv)\
**Replies:** 1\
**Last updated:** [September 26, 2021, 4:37pm UTC](https://discourse.slicer.org/t/changing-python-terminal-font-size-and-colour/19874 "2021-09-26T16:37:22Z")

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The python console interactive font size and colour are truly hurting my eyes. attached is the screenshot? How can I adjust this? Slicer version: 4.11.20200930 thanks.

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## [Landmarks and mesh not aligned](https://discourse.slicer.org/t/landmarks-and-mesh-not-aligned/19864)

<div class="topic-metadata">

**Author:** [@lv\_xiao](https://discourse.slicer.org/u/lv_xiao)\
**Replies:** 4\
**Last updated:** [September 26, 2021, 3:51pm UTC](https://discourse.slicer.org/t/landmarks-and-mesh-not-aligned/19864 "2021-09-26T15:51:53Z")

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Hi everyone, I created a symmetric 3D human facial mesh in R (exported as .ply using vcgPlyWrite function in Rvcg) and also digitised 5 midfacial landmarks along the facial axis of symmetry (exported as fcsv using write.…

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## [Tip for manual downloading of Extensions](https://discourse.slicer.org/t/tip-for-manual-downloading-of-extensions/1556)

<div class="topic-metadata">

**Author:** [@JohnK](https://discourse.slicer.org/u/JohnK)\
**Replies:** 11\
**Last updated:** [September 23, 2021, 10:30pm UTC](https://discourse.slicer.org/t/tip-for-manual-downloading-of-extensions/1556 "2021-09-23T22:30:13Z")

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I really like 3DSlicer but since I am at a hospital environment IT can be very frustrating even though I have Admin privileges on my Win workstation. The standard Install Extensions is blocked by our hospital Proxy serve…

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## [Tickmarks on markups line](https://discourse.slicer.org/t/tickmarks-on-markups-line/17865)

<div class="topic-metadata">

**Author:** [@jumbojing](https://discourse.slicer.org/u/jumbojing)\
**Replies:** 8\
**Last updated:** [September 26, 2021, 4:08am UTC](https://discourse.slicer.org/t/tickmarks-on-markups-line/17865 "2021-09-26T04:08:11Z")

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查了这里才知道,没有vtkMRMLMarkupsRulerNode,我想加入ruler的效果,该怎么实现呢? In Slicer: vtkMRMLMarkupsNode Class Reference, I found out that there is no “vtkMRMLMarkupsRulerNode”, I want to add the effect of “Ruler”(Line with tick marks), …

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## [Faild build Slicer in Windows10 with Visual Studio 2017,Qt 5.10.1](https://discourse.slicer.org/t/faild-build-slicer-in-windows10-with-visual-studio-2017-qt-5-10-1/19724)

<div class="topic-metadata">

**Author:** [@kookoo9999](https://discourse.slicer.org/u/kookoo9999)\
**Replies:** 1\
**Last updated:** [September 26, 2021, 4:03am UTC](https://discourse.slicer.org/t/faild-build-slicer-in-windows10-with-visual-studio-2017-qt-5-10-1/19724 "2021-09-26T04:03:01Z")

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Hello thanks for reading. I wnat to build Slicer ( 4.11 20200930) on Windows10 but build failed repeatedly. In the past , I tried to build Slicer Source(from git “master” branch) but I saw the CMake configuration erro…

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## [I can't build Slicer master branch in Windows10 via VisualStudio2019(toolset v142),Qt5.15.2](https://discourse.slicer.org/t/i-cant-build-slicer-master-branch-in-windows10-via-visualstudio2019-toolset-v142-qt5-15-2/19829)

<div class="topic-metadata">

**Author:** [@kookoo9999](https://discourse.slicer.org/u/kookoo9999)\
**Replies:** 2\
**Last updated:** [September 26, 2021, 3:47am UTC](https://discourse.slicer.org/t/i-cant-build-slicer-master-branch-in-windows10-via-visualstudio2019-toolset-v142-qt5-15-2/19829 "2021-09-26T03:47:28Z")

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@jamesobutler @lassoan I tried to build a different release in a different environment, but I failed every time, so I’m trying to build the current branch. I just tried to build Slicer master branch in Windows 10 via …

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## [Hi everyone, i'm new on Slicer. I really need some help](https://discourse.slicer.org/t/hi-everyone-im-new-on-slicer-i-really-need-some-help/19762)

<div class="topic-metadata">

**Author:** [@alanpontes](https://discourse.slicer.org/u/alanpontes)\
**Replies:** 3\
**Last updated:** [September 25, 2021, 3:56am UTC](https://discourse.slicer.org/t/hi-everyone-im-new-on-slicer-i-really-need-some-help/19762 "2021-09-25T03:56:58Z")

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Operating system: Windows 10 Slicer version: 4.11.202 How can i segment ribs cartilages? I’m ok with bone of chest. Sternum and ribs. But i really need cartilages. I’m Thoracic Surgeon and need that for my pectus exc…

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## [.nrrd files segments to label map volume](https://discourse.slicer.org/t/nrrd-files-segments-to-label-map-volume/19841)

<div class="topic-metadata">

**Author:** [@alyssan](https://discourse.slicer.org/u/alyssan)\
**Replies:** 2\
**Last updated:** [September 24, 2021, 9:08pm UTC](https://discourse.slicer.org/t/nrrd-files-segments-to-label-map-volume/19841 "2021-09-24T21:08:23Z")

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Hello, I have four segmentations I would like to create one labelmap volume. The segmentations are .nrrd files. How do i do this?

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## [SlicerJupyter build failed on MacOSX due to failed building wheel for argon2-cffi](https://discourse.slicer.org/t/slicerjupyter-build-failed-on-macosx-due-to-failed-building-wheel-for-argon2-cffi/19804)

<div class="topic-metadata">

**Author:** [@RuoyanMeng](https://discourse.slicer.org/u/RuoyanMeng)\
**Replies:** 8\
**Last updated:** [September 24, 2021, 8:47pm UTC](https://discourse.slicer.org/t/slicerjupyter-build-failed-on-macosx-due-to-failed-building-wheel-for-argon2-cffi/19804 "2021-09-24T20:47:44Z")

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MacOS: 11.6 3D Slicer build version: 4.13.0 I can install jupyterlab from Slicer python kernel and argon2-cffi is successfully installed. But when making a build for SlicerJupyter, argon2-cffi build is failed. Here is…

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## [MarkupsPlane Registration](https://discourse.slicer.org/t/markupsplane-registration/19840)

<div class="topic-metadata">

**Author:** [@Dhruba](https://discourse.slicer.org/u/Dhruba)\
**Replies:** 1\
**Last updated:** [September 24, 2021, 4:00pm UTC](https://discourse.slicer.org/t/markupsplane-registration/19840 "2021-09-24T16:00:15Z")

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We have annotated all our CTP data with MarkupsPlane before for LVO detection. Now we have to coregister our CT images to an MNI space. Therefore, we have to change our MarkupsPlane. Is there a way to coregister those Ma…

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## [Add 1 cm thick layer on segmentation](https://discourse.slicer.org/t/add-1-cm-thick-layer-on-segmentation/19839)

<div class="topic-metadata">

**Author:** [@SlicerBP](https://discourse.slicer.org/u/SlicerBP)\
**Replies:** 1\
**Last updated:** [September 24, 2021, 3:29pm UTC](https://discourse.slicer.org/t/add-1-cm-thick-layer-on-segmentation/19839 "2021-09-24T15:29:32Z")

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Hello everyone, For a research project we need to add a 1 cm thick layer (in all spatial directions) to different segmentations. Is there any special function for this? Also gladly per script using vtk or itk. Thank yo…

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## [Difference between slicer 4.5 to slicer 4.13](https://discourse.slicer.org/t/difference-between-slicer-4-5-to-slicer-4-13/19806)

<div class="topic-metadata">

**Author:** [@Mahesh\_Timmanagoudar](https://discourse.slicer.org/u/Mahesh_Timmanagoudar)\
**Replies:** 5\
**Last updated:** [September 24, 2021, 6:06am UTC](https://discourse.slicer.org/t/difference-between-slicer-4-5-to-slicer-4-13/19806 "2021-09-24T06:06:39Z")

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What are major feature are improved in Slicer 4.5 old version to Slicer 4.13. I understand some performance improvement is there in 4.13. We can see segmentation improvement and GUI improvements. May I know any other f…

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## [Show a live camera feed.in slicer](https://discourse.slicer.org/t/show-a-live-camera-feed-in-slicer/19826)

<div class="topic-metadata">

**Author:** [@Chintha\_Siva\_Prasad](https://discourse.slicer.org/u/Chintha_Siva_Prasad)\
**Replies:** 5\
**Last updated:** [September 24, 2021, 5:01am UTC](https://discourse.slicer.org/t/show-a-live-camera-feed-in-slicer/19826 "2021-09-24T05:01:56Z")

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I am getting real time images from a camera. How can I show them in slicer three d windows? If I try to use load volume function then we will be loaded with a huge number of volumes. So is there a way to just update an i…

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## [Rebuilding slicer with custom icons](https://discourse.slicer.org/t/rebuilding-slicer-with-custom-icons/19757)

<div class="topic-metadata">

**Author:** [@Chintha\_Siva\_Prasad](https://discourse.slicer.org/u/Chintha_Siva_Prasad)\
**Replies:** 4\
**Last updated:** [September 24, 2021, 2:42am UTC](https://discourse.slicer.org/t/rebuilding-slicer-with-custom-icons/19757 "2021-09-24T02:42:04Z")

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I am compiling slicer. And want to change the icons too. Where should I change the icons in the source code? And are there any image resolution constraints?

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## [Unable to access extensions with latest code - as of 21st Sept 2021](https://discourse.slicer.org/t/unable-to-access-extensions-with-latest-code-as-of-21st-sept-2021/19770)

<div class="topic-metadata">

**Author:** [@Hitesh\_Ganjoo](https://discourse.slicer.org/u/Hitesh_Ganjoo)\
**Replies:** 8\
**Last updated:** [September 23, 2021, 5:44pm UTC](https://discourse.slicer.org/t/unable-to-access-extensions-with-latest-code-as-of-21st-sept-2021/19770 "2021-09-23T17:44:49Z")

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Hello, I am trying to access extensions manager with the latest code after building it but I dont see any extensions in the window. Happens with both the debug and release build Is there something missing or any other …

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## [Re-opening mrml error code - unmatched volume size](https://discourse.slicer.org/t/re-opening-mrml-error-code-unmatched-volume-size/19807)

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**Author:** [@ni5h](https://discourse.slicer.org/u/ni5h)\
**Replies:** 5\
**Last updated:** [September 23, 2021, 1:47pm UTC](https://discourse.slicer.org/t/re-opening-mrml-error-code-unmatched-volume-size/19807 "2021-09-23T13:47:47Z")

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Hi, We have completed a number of annotations segmenting abdominal tissue on one vertebral level. We are unable however to reopen the mrml file we have saved, there is an intermittent error appearing suggesting the load…

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## [Slicer Jupyter in Slicer 4.11-20210226 Linux](https://discourse.slicer.org/t/slicer-jupyter-in-slicer-4-11-20210226-linux/16578)

<div class="topic-metadata">

**Author:** [@PaoloZaffino](https://discourse.slicer.org/u/PaoloZaffino)\
**Replies:** 6\
**Last updated:** [September 23, 2021, 6:31am UTC](https://discourse.slicer.org/t/slicer-jupyter-in-slicer-4-11-20210226-linux/16578 "2021-09-23T06:31:50Z")

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Hi all, maybe I’m wrong. but I can not find Slicer Jupyter extension in Slicer 4.11-20210226 (stable) for Linux. I tried also the preview, but it’s not present as well. Was it moved into a different extension? Best, …

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## [3D Slicer for Diseased Coronary Arteries](https://discourse.slicer.org/t/3d-slicer-for-diseased-coronary-arteries/2195)

<div class="topic-metadata">

**Author:** [@Kaitlin\_Logie](https://discourse.slicer.org/u/Kaitlin_Logie)\
**Replies:** 5\
**Last updated:** [September 23, 2021, 6:08am UTC](https://discourse.slicer.org/t/3d-slicer-for-diseased-coronary-arteries/2195 "2021-09-23T06:08:24Z")

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Hi there, I am a research assistant working on a project called the Coronary Atlas. As part of this project we extract coronary arteries from CT scans. We currently use the vmtk module for 3D slicer for this without any…

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## [Convert DICOM RTSS to DICOM segmentation](https://discourse.slicer.org/t/convert-dicom-rtss-to-dicom-segmentation/19738)

<div class="topic-metadata">

**Author:** [@piegou](https://discourse.slicer.org/u/piegou)\
**Replies:** 3\
**Last updated:** [September 23, 2021, 3:00am UTC](https://discourse.slicer.org/t/convert-dicom-rtss-to-dicom-segmentation/19738 "2021-09-23T03:00:54Z")

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Hi, I want to convert structures in DICOM-RTSS format to DICOM seg format. Is it possible with Slicer-3D?If yes how thank you for helping me

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## [Application of deformation field not doing anything](https://discourse.slicer.org/t/application-of-deformation-field-not-doing-anything/13402)

<div class="topic-metadata">

**Author:** [@mmtg](https://discourse.slicer.org/u/mmtg)\
**Replies:** 13\
**Last updated:** [September 22, 2021, 11:54pm UTC](https://discourse.slicer.org/t/application-of-deformation-field-not-doing-anything/13402 "2021-09-22T23:54:33Z")

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Hello, I am trying to apply a deformation field to a volume using the BRAINS resample image module but it ends up not doing anything and I am not sure why. Some context is needed: We are looking at the AAPM TG-132 repor…

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## [Cannot download extension from http://slicer.kitware.com or https://extensions.slicer.org](https://discourse.slicer.org/t/cannot-download-extension-from-http-slicer-kitware-com-or-https-extensions-slicer-org/19798)

<div class="topic-metadata">

**Author:** [@Gao\_Zhenyu](https://discourse.slicer.org/u/Gao_Zhenyu)\
**Replies:** 5\
**Last updated:** [September 22, 2021, 10:51pm UTC](https://discourse.slicer.org/t/cannot-download-extension-from-http-slicer-kitware-com-or-https-extensions-slicer-org/19798 "2021-09-22T22:51:49Z")

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I am working at a hospital environment. Since the hospital environment is internal, the 3d slicer cannot access to Internet. Therefore, 3D Slicer cannot download and consume extension immediately. I try to download the…

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## [Slicer doesnt load my dicoms](https://discourse.slicer.org/t/slicer-doesnt-load-my-dicoms/19799)

<div class="topic-metadata">

**Author:** [@xlucox](https://discourse.slicer.org/u/xlucox)\
**Replies:** 2\
**Last updated:** [September 22, 2021, 3:45pm UTC](https://discourse.slicer.org/t/slicer-doesnt-load-my-dicoms/19799 "2021-09-22T15:45:01Z")

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Hi everyone I’ve been trying to load some Dicoms to slicer but it does nothing. I checked the logs and there is no errors or warnings about it. This is the link of the dicoms I’m trying to upload. Thanks all, Luciano …

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## [Sandbox/Segment Cross-section area](https://discourse.slicer.org/t/sandbox-segment-cross-section-area/19794)

<div class="topic-metadata">

**Author:** [@hhart](https://discourse.slicer.org/u/hhart)\
**Replies:** 2\
**Last updated:** [September 22, 2021, 2:00pm UTC](https://discourse.slicer.org/t/sandbox-segment-cross-section-area/19794 "2021-09-22T14:00:19Z")

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I am new to using 3d slicer. I would like to use the segment cross-section area tool. From what I understand, I need to install the sandbox extension. I have gone through all the extensions listed in the extension manage…

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## [How to best measure thigh muscle volume in (at least) three different ways](https://discourse.slicer.org/t/how-to-best-measure-thigh-muscle-volume-in-at-least-three-different-ways/18500)

<div class="topic-metadata">

**Author:** [@LeoDoc](https://discourse.slicer.org/u/LeoDoc)\
**Replies:** 4\
**Last updated:** [September 22, 2021, 12:45pm UTC](https://discourse.slicer.org/t/how-to-best-measure-thigh-muscle-volume-in-at-least-three-different-ways/18500 "2021-09-22T12:45:58Z")

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Operating system: Windows Slicer version: 4.11 Hello! For my doctor’s thesis, I am measuring thigh muscle volume, including the femur, adipose tissue and vessels. In my project, I’m supposed to determine the mean valu…

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## [Release date for 3D Slicer 5.0?](https://discourse.slicer.org/t/release-date-for-3d-slicer-5-0/18410)

<div class="topic-metadata">

**Author:** [@DylanR](https://discourse.slicer.org/u/DylanR)\
**Replies:** 4\
**Last updated:** [September 22, 2021, 12:36pm UTC](https://discourse.slicer.org/t/release-date-for-3d-slicer-5-0/18410 "2021-09-22T12:36:36Z")

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Is there an expected release date for 3D Slicer 5.0? I co-teach a class where we use 3D Slicer and want to see if 5.0 is expected to be released soon in case I need to make changes to our documentation before the fall (m…

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## [Segments to label maps number](https://discourse.slicer.org/t/segments-to-label-maps-number/19753)

<div class="topic-metadata">

**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 1\
**Last updated:** [September 21, 2021, 10:20pm UTC](https://discourse.slicer.org/t/segments-to-label-maps-number/19753 "2021-09-21T22:20:48Z")

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I am a little bit confused about how labelmap indices are determined after the segmentation-\>Label map conversions. I was under the impression that it was the order of the segments. Am I mistaken? Because in the screensh…

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