# \#build

**URL:** https://discourse.slicer.org/tag/build/5.md

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

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## [Volume reconstruction feature missing in v.5.12](https://discourse.slicer.org/t/volume-reconstruction-feature-missing-in-v-5-12/47475)

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**Author:** [@Olivier](https://discourse.slicer.org/u/Olivier)\
**Replies:** 0\
**Last updated:** [June 27, 2026, 9:38am UTC](https://discourse.slicer.org/t/volume-reconstruction-feature-missing-in-v-5-12/47475 "2026-06-27T09:38:24Z")

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After updating to v 5.12, VolumeReconstruction is in the module list but when I click on it I get: VolumeReconstruction module is not loaded Any suggestion other than downgrading to 5.10?

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## [SlicerQR Development](https://discourse.slicer.org/t/slicerqr-development/15954)

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**Author:** [@spycolyf](https://discourse.slicer.org/u/spycolyf)\
**Replies:** 155\
**Last updated:** [April 27, 2026, 9:56am UTC](https://discourse.slicer.org/t/slicerqr-development/15954 "2026-04-27T09:56:37Z")

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@jcfr @pieper @lassoan @superlib Good Morning. I’m starting to think about how to deploy SlicerQR to 25,000 PCs across the Mayo Enterprise. After building the package, it consists of over 7000 files at a total size of o…

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## [2026-03-19 macOS nightly build will be skipped](https://discourse.slicer.org/t/2026-03-19-macos-nightly-build-will-be-skipped/46499)

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**Author:** [@ebrahim](https://discourse.slicer.org/u/ebrahim)\
**Replies:** 1\
**Last updated:** [March 19, 2026, 3:07pm UTC](https://discourse.slicer.org/t/2026-03-19-macos-nightly-build-will-be-skipped/46499 "2026-03-19T15:07:46Z")

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Heads up: computron (macOS) nightly builds may be skipped tonight while we run a clean stable rebuild. Normal nightly schedule should resume tomorrow. The clean stable build should hopefully fix recent issues with insta…

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## [Physician & Medical Imaging Engineer | Segmentation, CFD Prep & Imaging AI](https://discourse.slicer.org/t/physician-medical-imaging-engineer-segmentation-cfd-prep-imaging-ai/46194)

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**Author:** [@drnoorfatima](https://discourse.slicer.org/u/drnoorfatima)\
**Replies:** 0\
**Last updated:** [February 17, 2026, 6:37pm UTC](https://discourse.slicer.org/t/physician-medical-imaging-engineer-segmentation-cfd-prep-imaging-ai/46194 "2026-02-17T18:37:39Z")

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Hi everyone, I’m Noor , a physician with a background in neurology and clinical imaging, and over the past few years I’ve built a parallel focus in medical image processing and 3D reconstruction. I work at the intersec…

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## [Fedora 43 build error (curl / libzstd)](https://discourse.slicer.org/t/fedora-43-build-error-curl-libzstd/45836)

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**Author:** [@codeling](https://discourse.slicer.org/u/codeling)\
**Replies:** 0\
**Last updated:** [January 19, 2026, 10:34pm UTC](https://discourse.slicer.org/t/fedora-43-build-error-curl-libzstd/45836 "2026-01-19T22:34:59Z")

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On Fedora 43, I get this error when building slicer: \[20/2591\] Linking CXX shared library bin/libRemoteIO.so FAILED: \[code=1\] bin/libRemoteIO.so : && /usr/bin/c++ -fPIC -Wall -Wextra -Wpointer-arith -Winvalid-pch -Wcas…

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## [How to merge multiple segments at once](https://discourse.slicer.org/t/how-to-merge-multiple-segments-at-once/30449)

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**Author:** [@Kitchen-Sinkk](https://discourse.slicer.org/u/Kitchen-Sinkk)\
**Replies:** 11\
**Last updated:** [November 18, 2025, 12:04pm UTC](https://discourse.slicer.org/t/how-to-merge-multiple-segments-at-once/30449 "2025-11-18T12:04:30Z")

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as the images showed, I have mutiple segements. I can add them one by one through the “logic operators” functions. However, I like to merge or “add” them together at once. Are there any method to achieve this goal?

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## [How to set the .ini file's entries beofre build?](https://discourse.slicer.org/t/how-to-set-the-ini-files-entries-beofre-build/45078)

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**Author:** [@Victor\_Wayne](https://discourse.slicer.org/u/Victor_Wayne)\
**Replies:** 0\
**Last updated:** [November 14, 2025, 10:21am UTC](https://discourse.slicer.org/t/how-to-set-the-ini-files-entries-beofre-build/45078 "2025-11-14T10:21:17Z")

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Hello, I am currently using \`slicer.app.slicerUserSettingsFilePath()\` function to get the .ini file path when slicer is running and setting some entries. For example I set NumberOfFilesToKeep entry in the logging sectio…

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## [Using 3d slicer and python](https://discourse.slicer.org/t/using-3d-slicer-and-python/45037)

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**Author:** [@Shveta\_Duggal](https://discourse.slicer.org/u/Shveta_Duggal)\
**Replies:** 0\
**Last updated:** [November 11, 2025, 2:31pm UTC](https://discourse.slicer.org/t/using-3d-slicer-and-python/45037 "2025-11-11T14:31:13Z")

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Where is the link for segmentation? Thank you so much

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## [Help with OAR Contouring Workflow and RTSTRUCT Export for Radiotherapy Using 3D Slicer](https://discourse.slicer.org/t/help-with-oar-contouring-workflow-and-rtstruct-export-for-radiotherapy-using-3d-slicer/44935)

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**Author:** [@RAJVEER\_RUPEN](https://discourse.slicer.org/u/RAJVEER_RUPEN)\
**Replies:** 0\
**Last updated:** [November 1, 2025, 7:45pm UTC](https://discourse.slicer.org/t/help-with-oar-contouring-workflow-and-rtstruct-export-for-radiotherapy-using-3d-slicer/44935 "2025-11-01T19:45:40Z")

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Hello everyone, I am Dr.RUPEN RAJVIR , BHMS, currently in the process of learning OAR (Organs at Risk) contouring using 3D Slicer. My present work is purely for training and research purposes (non-clinical), and in the…

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## [Get data of patient from images](https://discourse.slicer.org/t/get-data-of-patient-from-images/14693)

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**Author:** [@Valentina\_Mejia\_Gall](https://discourse.slicer.org/u/Valentina_Mejia_Gall)\
**Replies:** 2\
**Last updated:** [October 30, 2025, 4:43pm UTC](https://discourse.slicer.org/t/get-data-of-patient-from-images/14693 "2025-10-30T16:43:34Z")

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Hello, I download a CTSCAN of the lower limb, this images includes femur, tibia, etc. How could i know the mass, height or data of the patient from these files in 3Dslicer?

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## [Getting errors while building Slicer 5.6.2 using  Visual Studio 2022](https://discourse.slicer.org/t/getting-errors-while-building-slicer-5-6-2-using-visual-studio-2022/44548)

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**Author:** [@kiran](https://discourse.slicer.org/u/kiran)\
**Replies:** 0\
**Last updated:** [September 22, 2025, 8:52pm UTC](https://discourse.slicer.org/t/getting-errors-while-building-slicer-5-6-2-using-visual-studio-2022/44548 "2025-09-22T20:52:37Z")

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Hi all, I’m trying to build Slicer 5.6.2 from source on Windows 10 using Visual Studio 2022 (CMake 3.29.2, Ninja/VS generator). The CMake configure step completes successfully — all dependencies are found and I see Supe…

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## [Slicer build up fail](https://discourse.slicer.org/t/slicer-build-up-fail/44256)

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**Author:** [@akuan1997](https://discourse.slicer.org/u/akuan1997)\
**Replies:** 4\
**Last updated:** [September 12, 2025, 12:26am UTC](https://discourse.slicer.org/t/slicer-build-up-fail/44256 "2025-09-12T00:26:30Z")

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I was trying to build up Slicer by using source code from github. I followed the instructions from here: Windows — 3D Slicer documentation I also checked with the Install Prerequisites Cmake: cmake version 3.28.6 Git…

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## [Hidden seam placement](https://discourse.slicer.org/t/hidden-seam-placement/44253)

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**Author:** [@IanM63](https://discourse.slicer.org/u/IanM63)\
**Replies:** 1\
**Last updated:** [August 29, 2025, 2:36pm UTC](https://discourse.slicer.org/t/hidden-seam-placement/44253 "2025-08-29T14:36:54Z")

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Why is it not possible to hide the seam INSIDE the model ?

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## [Where to put libraries needed for installation/import?](https://discourse.slicer.org/t/where-to-put-libraries-needed-for-installation-import/44092)

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**Author:** [@Canada101](https://discourse.slicer.org/u/Canada101)\
**Replies:** 1\
**Last updated:** [August 19, 2025, 6:17am UTC](https://discourse.slicer.org/t/where-to-put-libraries-needed-for-installation-import/44092 "2025-08-19T06:17:18Z")

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I am developing an extension and am in the very early phases. I see in the 3d slicer documentation that there is a superbuild extension template, does that whole template replace the CmakeLists file the extension creatio…

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## [Build error in Windows in debug mode due to python312\_d.lib](https://discourse.slicer.org/t/build-error-in-windows-in-debug-mode-due-to-python312-d-lib/43781)

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**Author:** [@lassoan](https://discourse.slicer.org/u/lassoan)\
**Replies:** 9\
**Last updated:** [August 18, 2025, 9:41am UTC](https://discourse.slicer.org/t/build-error-in-windows-in-debug-mode-due-to-python312-d-lib/43781 "2025-08-18T09:41:25Z")

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I’ve been building Slicer for a long while using the same scripts. I’ve updated to the latest Slicer main version (from a version maybe a few weeks ago), started a clean build from scratch (removed all build folders) and…

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## [Questions of overshading of Grown from seeds option to build up bronchus model](https://discourse.slicer.org/t/questions-of-overshading-of-grown-from-seeds-option-to-build-up-bronchus-model/44042)

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**Author:** [@jamesgyh](https://discourse.slicer.org/u/jamesgyh)\
**Replies:** 7\
**Last updated:** [August 14, 2025, 12:29pm UTC](https://discourse.slicer.org/t/questions-of-overshading-of-grown-from-seeds-option-to-build-up-bronchus-model/44042 "2025-08-14T12:29:03Z")

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Hi everyone here, after I checked the video https://www.youtube.com/watch?v=9iiOBmaP8bA of growing from seeds, I immediately started up my trial on my CT case, however, even though I zoomed in a lot on the small bronchi,…

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## [SlicerRT built from source cannot start](https://discourse.slicer.org/t/slicerrt-built-from-source-cannot-start/43792)

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**Author:** [@ferhue](https://discourse.slicer.org/u/ferhue)\
**Replies:** 42\
**Last updated:** [August 7, 2025, 2:06pm UTC](https://discourse.slicer.org/t/slicerrt-built-from-source-cannot-start/43792 "2025-08-07T14:06:57Z")

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I’ve built Slicer and then SlicerRT from source several times in the past. I followed the online instructions. In the same computer, I recently updated (via git pull) the Slicer and SlicerRT repositories to master, and …

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## [Help Needed – Integrating Brodmann Area Overlay & MNI Space Registration Module into Custom Application](https://discourse.slicer.org/t/help-needed-integrating-brodmann-area-overlay-mni-space-registration-module-into-custom-application/44001)

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**Author:** [@salim](https://discourse.slicer.org/u/salim)\
**Replies:** 0\
**Last updated:** [August 7, 2025, 12:36pm UTC](https://discourse.slicer.org/t/help-needed-integrating-brodmann-area-overlay-mni-space-registration-module-into-custom-application/44001 "2025-08-07T12:36:52Z")

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Hi Dear Community, I have developed a module in 3D Slicer for Brodmann Area overlay and MNI space registration. The module builds successfully, but I’m facing an issue integrating it into my custom Slicer-based applicat…

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## [Pancreatic CTA Vascular Reconstruction](https://discourse.slicer.org/t/pancreatic-cta-vascular-reconstruction/43764)

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**Author:** [@HenryClein](https://discourse.slicer.org/u/HenryClein)\
**Replies:** 1\
**Last updated:** [July 18, 2025, 12:01am UTC](https://discourse.slicer.org/t/pancreatic-cta-vascular-reconstruction/43764 "2025-07-18T00:01:18Z")

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Dear R&D staff, the blood vessels around the pancreas are very complex and it is very easy to have massive bleeding during surgery. I hope to build a vascular reconstruction model. Is there a good learning tutorial? Than…

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## [Custom slicer Ctest failed](https://discourse.slicer.org/t/custom-slicer-ctest-failed/43677)

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**Author:** [@hansmoda](https://discourse.slicer.org/u/hansmoda)\
**Replies:** 0\
**Last updated:** [July 10, 2025, 7:51am UTC](https://discourse.slicer.org/t/custom-slicer-ctest-failed/43677 "2025-07-10T07:51:26Z")

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I ran into this issue when I was performing automated tests with ctest command line：“D:\\cmake\\bin\\ctest.exe” -C Release -V -R “custommodule” error: \[D:/DSI/slicer-build/bin/Release/CustomApp-real.exe\] exit abnormally -…

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## [This is about extension to upload to extension manager](https://discourse.slicer.org/t/this-is-about-extension-to-upload-to-extension-manager/43435)

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**Author:** [@Pranav\_Rai](https://discourse.slicer.org/u/Pranav_Rai)\
**Replies:** 2\
**Last updated:** [June 23, 2025, 10:04am UTC](https://discourse.slicer.org/t/this-is-about-extension-to-upload-to-extension-manager/43435 "2025-06-23T10:04:12Z")

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I am trying to create extensions for my custom slicer application by running the command given in the docs. Still, after running it and setting everything in place, the final folder comes empty every time, and the soluti…

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## [Using Slicer to create a model of middle ear anatomy](https://discourse.slicer.org/t/using-slicer-to-create-a-model-of-middle-ear-anatomy/5169)

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**Author:** [@Kunal\_Sareen](https://discourse.slicer.org/u/Kunal_Sareen)\
**Replies:** 8\
**Last updated:** [June 21, 2025, 3:07pm UTC](https://discourse.slicer.org/t/using-slicer-to-create-a-model-of-middle-ear-anatomy/5169 "2025-06-21T15:07:18Z")

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I’m currently working on trying to use Slicer for segmenting the anatomical structures significant to the middle ear. I’m having troubles in trying to segment structures in a high resolution Brain CT. Is there any soluti…

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## [Cranial Implant Reconstruction](https://discourse.slicer.org/t/cranial-implant-reconstruction/43318)

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**Author:** [@Alina\_Abbas](https://discourse.slicer.org/u/Alina_Abbas)\
**Replies:** 2\
**Last updated:** [June 13, 2025, 2:19pm UTC](https://discourse.slicer.org/t/cranial-implant-reconstruction/43318 "2025-06-13T14:19:52Z")

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Hello everyone, I hope this message finds you well. I am new to 3D Slicer and am using it for cranial implant reconstruction. I have attempted to utilize the scissor and mirror techniques on my image, but I have not ac…

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## [Developing for Slicer on Apple Silicon (build targeting x86\_64)](https://discourse.slicer.org/t/developing-for-slicer-on-apple-silicon-build-targeting-x86-64/40686)

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**Author:** [@arhowe00](https://discourse.slicer.org/u/arhowe00)\
**Replies:** 5\
**Last updated:** [June 9, 2025, 3:31am UTC](https://discourse.slicer.org/t/developing-for-slicer-on-apple-silicon-build-targeting-x86-64/40686 "2025-06-09T03:31:09Z")

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The developer docs may need a minor update addressing development on the newer Macs (M-series chips). Here is a sufficient-for-development build from source on arm64 MacOS without requiring niche workarounds for specific…

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## [Error building custom 3D Slicer](https://discourse.slicer.org/t/error-building-custom-3d-slicer/43149)

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**Author:** [@nicofutur8](https://discourse.slicer.org/u/nicofutur8)\
**Replies:** 5\
**Last updated:** [June 4, 2025, 10:31am UTC](https://discourse.slicer.org/t/error-building-custom-3d-slicer/43149 "2025-06-04T10:31:04Z")

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Hello everyone! I want to build a custom Slicer3D using your template by Kitware. I followed steps thoroughly but, at the end of the building phase, i get an error envolving some kind of VTK feature called vtkTeemPython…

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## [how to change the section angle and save it in the files that, when I use other App to open it, the setting is still what I wanted](https://discourse.slicer.org/t/how-to-change-the-section-angle-and-save-it-in-the-files-that-when-i-use-other-app-to-open-it-the-setting-is-still-what-i-wanted/43061)

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**Author:** [@xiaoqian](https://discourse.slicer.org/u/xiaoqian)\
**Replies:** 0\
**Last updated:** [May 23, 2025, 11:10am UTC](https://discourse.slicer.org/t/how-to-change-the-section-angle-and-save-it-in-the-files-that-when-i-use-other-app-to-open-it-the-setting-is-still-what-i-wanted/43061 "2025-05-23T11:10:35Z")

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PC(Mac OS ,3D slicer 5.8.1) My problem is that I do not want to change the actual spatial information or rotate the image itself; instead, I simply want to redefine the default slice orientations so that the data is di…

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## [Windows 11, 3D Slicer build fail](https://discourse.slicer.org/t/windows-11-3d-slicer-build-fail/42900)

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**Author:** [@BaekHyeonSu](https://discourse.slicer.org/u/BaekHyeonSu)\
**Replies:** 1\
**Last updated:** [May 13, 2025, 2:17am UTC](https://discourse.slicer.org/t/windows-11-3d-slicer-build-fail/42900 "2025-05-13T02:17:12Z")

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3D slicer build is required to create an extension module using C++. I installed QT5.15.2, git, and cmake in a Windows 11 environment, and built according to the development guide, but I found that the build was stoppe…

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## [VTK build fails on Windows in Debug mode](https://discourse.slicer.org/t/vtk-build-fails-on-windows-in-debug-mode/42590)

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**Author:** [@ungi](https://discourse.slicer.org/u/ungi)\
**Replies:** 2\
**Last updated:** [April 20, 2025, 2:28am UTC](https://discourse.slicer.org/t/vtk-build-fails-on-windows-in-debug-mode/42590 "2025-04-20T02:28:32Z")

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Hi, I followed the Slicer build instructions today on Windows with default CMake options. The Release build went well with no errors. But in Debug mode, one project from VTK resulted in a link error. Looks like the resul…

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## [Slicer build Error](https://discourse.slicer.org/t/slicer-build-error/42377)

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**Author:** [@zhuofalin](https://discourse.slicer.org/u/zhuofalin)\
**Replies:** 4\
**Last updated:** [April 16, 2025, 4:12pm UTC](https://discourse.slicer.org/t/slicer-build-error/42377 "2025-04-16T16:12:05Z")

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Recently, I used cmake to compile the latest version of 3dSlicer and encountered many problems. I would like to ask you for advice. :rofl: Build Environment System: Windows 10 22H2 Cmake: 4.0.0 Build Steps 1. Use C…

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## [Slicer build failed](https://discourse.slicer.org/t/slicer-build-failed/42319)

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**Author:** [@TinaNant28](https://discourse.slicer.org/u/TinaNant28)\
**Replies:** 3\
**Last updated:** [March 28, 2025, 3:05pm UTC](https://discourse.slicer.org/t/slicer-build-failed/42319 "2025-03-28T15:05:51Z")

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Hi, I followed the Build Instructions to build Slicer on Windows 11. CMake: 3.31.6 Git: 2.48.1 Qt: 5.15.2 64-bit (MSVC 2019) Visual Studio 2022 C++ x64 After build Slicer in Visual Studio, 10 errors occurred. H…

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