# Community

**URL:** https://discourse.itk.org/c/community/8.md

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

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## [About the Community category](https://discourse.itk.org/t/about-the-community-category/21)

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**Author:** [@matt.mccormick](https://discourse.itk.org/u/matt.mccormick)\
**Replies:** 0

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Contributing, collaboration opportunities, related projects, documentation

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## [ITK Training Course in October 2026](https://discourse.itk.org/t/itk-training-course-in-october-2026/7796)

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**Author:** [@seb\_goll](https://discourse.itk.org/u/seb_goll)\
**Replies:** 0\
**Last updated:** [September 8, 2026, 3:32pm UTC](https://discourse.itk.org/t/itk-training-course-in-october-2026/7796 "2026-09-08T15:32:18Z")

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Dear all, Kitware will be holding an online/onsite ITK training course for developers on October 5th 2026 in Lyon, France and online (Paris time, CEST). This course will cover the following features of ITK : Overview…

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## [Patches for ITK 5.4.7](https://discourse.itk.org/t/patches-for-itk-5-4-7/7780)

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**Author:** [@matt.mccormick](https://discourse.itk.org/u/matt.mccormick)\
**Replies:** 7\
**Last updated:** [July 24, 2026, 1:26pm UTC](https://discourse.itk.org/t/patches-for-itk-5-4-7/7780 "2026-07-24T13:26:32Z")

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Hi folks, The next patch (bugfix) release, ITK 5.4.7, is coming up. Patches currently staged on the Git release-5.4 branch include: Andras Lasso (1): BUG: Fix image file reader crash when axis direction vector i…

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## [Patches for ITK 5.4.6](https://discourse.itk.org/t/patches-for-itk-5-4-6/7745)

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**Author:** [@matt.mccormick](https://discourse.itk.org/u/matt.mccormick)\
**Replies:** 19\
**Last updated:** [May 4, 2026, 4:33pm UTC](https://discourse.itk.org/t/patches-for-itk-5-4-6/7745 "2026-05-04T16:33:41Z")

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Hi folks, The next patch (bugfix) release, ITK 5.4.6, is coming up. Patches currently staged on the Git release-5.4 branch include: Bradley Lowekamp (1): BUG: Fix GDCM posix\_memalign undefined with mingw Dženan…

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## [AI generated pull requests overwhelming, hard to review carefully](https://discourse.itk.org/t/ai-generated-pull-requests-overwhelming-hard-to-review-carefully/7728)

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**Author:** [@Niels\_Dekker](https://discourse.itk.org/u/Niels_Dekker)\
**Replies:** 16\
**Last updated:** [April 14, 2026, 5:20pm UTC](https://discourse.itk.org/t/ai-generated-pull-requests-overwhelming-hard-to-review-carefully/7728 "2026-04-14T17:20:16Z")

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The current stream of AI generated (or AI aided) pull requests is a bit overwhelming to me. It is hard for me to review them carefully. In general, I try to avoid reviewing any pull request that proposes changing thousa…

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## [Patches for ITK 5.4.3](https://discourse.itk.org/t/patches-for-itk-5-4-3/7454)

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**Author:** [@matt.mccormick](https://discourse.itk.org/u/matt.mccormick)\
**Replies:** 5\
**Last updated:** [April 13, 2026, 9:12pm UTC](https://discourse.itk.org/t/patches-for-itk-5-4-3/7454 "2026-04-13T21:12:39Z")

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Hi folks, The next patch (bugfix) release, ITK 5.4.3, is coming up. Patches currently staged on the Git release-5.4 branch are: Dženan Zukić (1): DOC: Remove duplicate new author name (Matthieu LAURENDEAU) …

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## [Current path to adding an ITK remote module](https://discourse.itk.org/t/current-path-to-adding-an-itk-remote-module/7730)

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**Author:** [@mattcieslak](https://discourse.itk.org/u/mattcieslak)\
**Replies:** 5\
**Last updated:** [March 10, 2026, 7:27pm UTC](https://discourse.itk.org/t/current-path-to-adding-an-itk-remote-module/7730 "2026-03-10T19:27:13Z")

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Hi! We’ve been trying to establish a standard file format for tractography/streamlines data ( tee-ar-ex · GitHub ) and as part of that I’ve been working on an ITK remote module that provides I/O and ITK-style interfaces.…

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## [Patches fro ITK 5.4.5](https://discourse.itk.org/t/patches-fro-itk-5-4-5/7656)

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**Author:** [@matt.mccormick](https://discourse.itk.org/u/matt.mccormick)\
**Replies:** 6\
**Last updated:** [November 18, 2025, 2:22pm UTC](https://discourse.itk.org/t/patches-fro-itk-5-4-5/7656 "2025-11-18T14:22:19Z")

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Hi folks, The next patch (bugfix) release, ITK 5.4.5, is coming up. Patches currently staged on the Git release-5.4 branch are: Bradley Lowekamp (1): BUG: Fix setting zero sized CompositeTransforms Dženan…

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## [ITK Adopts NumFOCUS Code of Conduct - Important Community Update](https://discourse.itk.org/t/itk-adopts-numfocus-code-of-conduct-important-community-update/7596)

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**Author:** [@matt.mccormick](https://discourse.itk.org/u/matt.mccormick)\
**Replies:** 0\
**Last updated:** [July 15, 2025, 6:43pm UTC](https://discourse.itk.org/t/itk-adopts-numfocus-code-of-conduct-important-community-update/7596 "2025-07-15T18:43:58Z")

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Hello ITK Community, I’m writing to inform you of an important update to our community guidelines. The Insight Software Consortium has formally resolved to adopt the NumFOCUS Code of Conduct, and we’re updating our docu…

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## [ITK Git repository primary branch name transition from master to main](https://discourse.itk.org/t/itk-git-repository-primary-branch-name-transition-from-master-to-main/7569)

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**Author:** [@matt.mccormick](https://discourse.itk.org/u/matt.mccormick)\
**Replies:** 5\
**Last updated:** [July 4, 2025, 9:27am UTC](https://discourse.itk.org/t/itk-git-repository-primary-branch-name-transition-from-master-to-main/7569 "2025-07-04T09:27:06Z")

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Hi folks, ITK’s default, primary branch name has been renamed from master to main. New GitHub clones will default to this branch. A few notes on changes that might be required. GitHub Forks When you visit your fork o…

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## [Patches for ITK 5.4.4](https://discourse.itk.org/t/patches-for-itk-5-4-4/7563)

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**Author:** [@matt.mccormick](https://discourse.itk.org/u/matt.mccormick)\
**Replies:** 0\
**Last updated:** [June 9, 2025, 12:43am UTC](https://discourse.itk.org/t/patches-for-itk-5-4-4/7563 "2025-06-09T00:43:58Z")

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Hi folks, The next patch (bugfix) release, ITK 5.4.4, is coming up. Patches currently staged on the Git release-5.4 branch are: Ariouz (1): ENH: Add Graalpy Support Bradley Lowekamp (3): BUG: GDCM destroy…

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## [1st Get Your Brain Straight Hackathon!](https://discourse.itk.org/t/1st-get-your-brain-straight-hackathon/4896)

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**Author:** [@matt.mccormick](https://discourse.itk.org/u/matt.mccormick)\
**Replies:** 1\
**Last updated:** [March 17, 2025, 2:42pm UTC](https://discourse.itk.org/t/1st-get-your-brain-straight-hackathon/4896 "2025-03-17T14:42:38Z")

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What? The Get Your Brain Straight hackathons bring together neuroimage data generators, image registration researchers, and neurodata compute infrastructure providers for a hands-on, collaborative event. This community c…

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## [ITK License Compatibility Concern with VNL](https://discourse.itk.org/t/itk-license-compatibility-concern-with-vnl/7452)

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**Author:** [@bauer-tom](https://discourse.itk.org/u/bauer-tom)\
**Replies:** 3\
**Last updated:** [March 10, 2025, 11:23am UTC](https://discourse.itk.org/t/itk-license-compatibility-concern-with-vnl/7452 "2025-03-10T11:23:57Z")

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Hello, I have noticed a potential licensing conflict in ITK related to third-party code from VNL. While ITK is distributed under the permissive Apache 2.0 license, which allows commercial use, I found that the VNL modul…

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## [Share a workflow for RTK beginners](https://discourse.itk.org/t/share-a-workflow-for-rtk-beginners/7439)

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**Author:** [@zhangxiang](https://discourse.itk.org/u/zhangxiang)\
**Replies:** 0\
**Last updated:** [February 19, 2025, 6:33am UTC](https://discourse.itk.org/t/share-a-workflow-for-rtk-beginners/7439 "2025-02-19T06:33:02Z")

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This workflow can be divided into three steps: calibration, transfomation of geometric parameters, using RTK 1.calibration method1 : DLT and optional optimization on reprojection errors. If you want to understand DLT…

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## [ITK training course in April 2025](https://discourse.itk.org/t/itk-training-course-in-april-2025/7427)

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**Author:** [@rfenioux](https://discourse.itk.org/u/rfenioux)\
**Replies:** 0\
**Last updated:** [February 12, 2025, 2:42pm UTC](https://discourse.itk.org/t/itk-training-course-in-april-2025/7427 "2025-02-12T14:42:06Z")

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Dear all, Kitware will be holding an online/onsite ITK training course for developers on April 7th 2024 in Lyon, France. This course will cover the following features of ITK : Overview/Architecture Segmentation Regis…

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## [3rd Get Your Brain Together Hackathon - OME-Zarr Coordinate Transforms](https://discourse.itk.org/t/3rd-get-your-brain-together-hackathon-ome-zarr-coordinate-transforms/7119)

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**Author:** [@matt.mccormick](https://discourse.itk.org/u/matt.mccormick)\
**Replies:** 4\
**Last updated:** [July 29, 2024, 4:06am UTC](https://discourse.itk.org/t/3rd-get-your-brain-together-hackathon-ome-zarr-coordinate-transforms/7119 "2024-07-29T04:06:00Z")

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Join us for the 3rd Get Your Brain Together Hackathon ! Register now! What? Purpose The Get Your Brain Together hackathons bring together neuroimage data generators, image registration researchers, and neurodata comp…

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## [Upcoming Virtual ITK (Advanced) Training Course](https://discourse.itk.org/t/upcoming-virtual-itk-advanced-training-course/6733)

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**Author:** [@Nick\_Bearup](https://discourse.itk.org/u/Nick_Bearup)\
**Replies:** 0\
**Last updated:** [June 27, 2024, 4:36pm UTC](https://discourse.itk.org/t/upcoming-virtual-itk-advanced-training-course/6733 "2024-06-27T16:36:19Z")

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Learn from the developers of ITK! Kitware will be hosting a virtual ITK (Advanced) training course on September 11th and 12th from 1pm - 5pm EST. Register for the course prior to August 28th using the code ITKADVANCEDTR…

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## [After compiling the ITK and RTK libraries, cannot use breakpoints to enter the corresponding source code in debug mode](https://discourse.itk.org/t/after-compiling-the-itk-and-rtk-libraries-cannot-use-breakpoints-to-enter-the-corresponding-source-code-in-debug-mode/6660)

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**Author:** [@xem123](https://discourse.itk.org/u/xem123)\
**Replies:** 8\
**Last updated:** [June 2, 2024, 2:46am UTC](https://discourse.itk.org/t/after-compiling-the-itk-and-rtk-libraries-cannot-use-breakpoints-to-enter-the-corresponding-source-code-in-debug-mode/6660 "2024-06-02T02:46:14Z")

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Hello everyone,I have a question to ask. I compiled the FFTW library separately before compiling it with ITK. Then, the Build and install processes were completed smoothly without any errors. Then, I placed my project …

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## [Call for shapes](https://discourse.itk.org/t/call-for-shapes/6373)

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**Author:** [@dzenanz](https://discourse.itk.org/u/dzenanz)\
**Replies:** 0\
**Last updated:** [December 26, 2023, 1:58pm UTC](https://discourse.itk.org/t/call-for-shapes/6373 "2023-12-26T13:58:59Z")

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If you want to contribute medical shapes, you can do so at MedShapeNet. More info there.

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## [ITK Documentation Hackathon, November 2023!](https://discourse.itk.org/t/itk-documentation-hackathon-november-2023/6260)

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**Author:** [@matt.mccormick](https://discourse.itk.org/u/matt.mccormick)\
**Replies:** 3\
**Last updated:** [November 8, 2023, 2:56pm UTC](https://discourse.itk.org/t/itk-documentation-hackathon-november-2023/6260 "2023-11-08T14:56:48Z")

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The Insight Toolkit (ITK) is an open-source, cross-platform toolkit for N-dimensional scientific image processing, segmentation, and registration. The ITK Documentation Hackathon aims to bring together ITK developers an…

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## [replacement for CylinderSpatialObject?](https://discourse.itk.org/t/replacement-for-cylinderspatialobject/3771)

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**Author:** [@KrisThielemans](https://discourse.itk.org/u/KrisThielemans)\
**Replies:** 6\
**Last updated:** [October 18, 2023, 7:03pm UTC](https://discourse.itk.org/t/replacement-for-cylinderspatialobject/3771 "2023-10-18T19:03:51Z")

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ITK 4 had CylinderSpatialObject. However, this was (silently?) removed in SpatialObject Refactoring for ITKv5 · Pull Request #613. Is there a replacement for it?

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## [ITK is now on the map of Open Source Science (OSSci)](https://discourse.itk.org/t/itk-is-now-on-the-map-of-open-source-science-ossci/6224)

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**Author:** [@matt.mccormick](https://discourse.itk.org/u/matt.mccormick)\
**Replies:** 0\
**Last updated:** [September 22, 2023, 8:30pm UTC](https://discourse.itk.org/t/itk-is-now-on-the-map-of-open-source-science-ossci/6224 "2023-09-22T20:30:59Z")

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See: OSSci MOSS • Kumu

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## [Bioimage analyst position @MinosBiosciences (Paris, France)](https://discourse.itk.org/t/bioimage-analyst-position-minosbiosciences-paris-france/6180)

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**Author:** [@MinosBiosciences](https://discourse.itk.org/u/MinosBiosciences)\
**Replies:** 0\
**Last updated:** [September 6, 2023, 8:56am UTC](https://discourse.itk.org/t/bioimage-analyst-position-minosbiosciences-paris-france/6180 "2023-09-06T08:56:25Z")

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Dear community, Minos Biosciences , a startup based in Paris, is advancing the integration of microscopy images and sequencing data, on single cells, at high throughput. We are currently searching for a talented and hi…

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## [itkwidgets \`compare\` error](https://discourse.itk.org/t/itkwidgets-compare-error/5274)

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**Author:** [@edgar](https://discourse.itk.org/u/edgar)\
**Replies:** 2\
**Last updated:** [August 10, 2023, 9:08am UTC](https://discourse.itk.org/t/itkwidgets-compare-error/5274 "2023-08-10T09:08:03Z")

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Hello, (This could be related Error when executing the Binder example: “compare images side by side” #455) It seems that the compare widget is missing: ImportError Traceback (most recent …

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## [New Insight Journal article: CartesianToPolar and PolarToCartesian Image Filters](https://discourse.itk.org/t/new-insight-journal-article-cartesiantopolar-and-polartocartesian-image-filters/2581)

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**Author:** [@matt.mccormick](https://discourse.itk.org/u/matt.mccormick)\
**Replies:** 2\
**Last updated:** [July 31, 2023, 5:40pm UTC](https://discourse.itk.org/t/new-insight-journal-article-cartesiantopolar-and-polartocartesian-image-filters/2581 "2023-07-31T17:40:17Z")

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A new submission has been added to the Insight Journal. Title: CartesianToPolar and PolarToCartesian Image Filters Authors: Ajani B., Sharda S. Abstract: In this paper, we describe a set of filters, implemented in the…

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## [Republish figure from ITK Software Guide?](https://discourse.itk.org/t/republish-figure-from-itk-software-guide/6036)

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**Author:** [@gcsharp](https://discourse.itk.org/u/gcsharp)\
**Replies:** 2\
**Last updated:** [July 5, 2023, 8:40pm UTC](https://discourse.itk.org/t/republish-figure-from-itk-software-guide/6036 "2023-07-05T20:40:28Z")

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Hello and good morning! I am co-author on a review article that summarizes guidelines for the use of image registration in radiation therapy. We would like to include the famous ITK generic registration (v3) workflow f…

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## [Error message may need rephrasing](https://discourse.itk.org/t/error-message-may-need-rephrasing/5814)

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**Author:** [@edgar](https://discourse.itk.org/u/edgar)\
**Replies:** 2\
**Last updated:** [July 5, 2023, 12:19am UTC](https://discourse.itk.org/t/error-message-may-need-rephrasing/5814 "2023-07-05T00:19:59Z")

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Hi! I found that doing this: DisplacementFieldNumpy = np.ones( (3, 4, 100, 100)) PyBuffer = itk.PyBuffer\[VectorImageType\] DisplacementField = PyBuffer.GetImageFromArray(DisplacementFieldNumpy) yields RuntimeError:…

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## [We are happy to announce the 2nd Get Your Brain Together Hackathon!](https://discourse.itk.org/t/we-are-happy-to-announce-the-2nd-get-your-brain-together-hackathon/5917)

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**Author:** [@matt.mccormick](https://discourse.itk.org/u/matt.mccormick)\
**Replies:** 0\
**Last updated:** [May 2, 2023, 12:34am UTC](https://discourse.itk.org/t/we-are-happy-to-announce-the-2nd-get-your-brain-together-hackathon/5917 "2023-05-02T00:34:19Z")

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2nd Get Your Brain Together Hackathon What? The Get Your Brain Together hackathons bring together neuroimage data generators, image registration researchers, and neurodata compute infrastructure providers for a hands-o…

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## [C++17 breaks Visual Studio 2017 -\> drop support?](https://discourse.itk.org/t/c-17-breaks-visual-studio-2017-drop-support/5884)

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**Author:** [@dzenanz](https://discourse.itk.org/u/dzenanz)\
**Replies:** 5\
**Last updated:** [April 28, 2023, 7:33pm UTC](https://discourse.itk.org/t/c-17-breaks-visual-studio-2017-drop-support/5884 "2023-04-28T19:33:55Z")

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Enabling C++17 seems to have broken VS2017 due to numerous bugs, some of which we have encountered and fixed before. See details in draft PR 4021. Should we drop it as a supported compiler?

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## [Thanks and congratulations](https://discourse.itk.org/t/thanks-and-congratulations/5858)

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**Author:** [@edgar](https://discourse.itk.org/u/edgar)\
**Replies:** 0\
**Last updated:** [April 8, 2023, 1:04am UTC](https://discourse.itk.org/t/thanks-and-congratulations/5858 "2023-04-08T01:04:27Z")

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Dear community, I want to share a little nugget of joy. ITK is free software developed by scientists, engineers and other professionals. Kitware allows humanity to enjoy the benefits of it. Thank you for that. May be y…

[Next page](https://discourse.itk.org/c/community/8.md?page=1)