# Latest

**URL:** https://discourse.kitware.com/latest.md

[Latest](https://discourse.kitware.com/latest.md) · [Categories](https://discourse.kitware.com/categories.md)

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## [Welcome to Discourse](https://discourse.kitware.com/t/welcome-to-discourse/8)

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**Author:** [@system](https://discourse.kitware.com/u/system)\
**Replies:** 0\
**Last updated:** [July 28, 2017, 8:59pm UTC](https://discourse.kitware.com/t/welcome-to-discourse/8 "2017-07-28T20:59:57Z")

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Welcome to the Kitware forums. This is a place for users to ask questions and for developers to discuss projects hosted at Kitware. The first paragraph of this pinned topic will be visible as a welcome message to all ne…

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## [What's New in Pulse 4.4.0 | September 30th Free Webinar](https://discourse.kitware.com/t/whats-new-in-pulse-4-4-0-september-30th-free-webinar/1685)

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**Author:** [@NickBearup](https://discourse.kitware.com/u/NickBearup)\
**Replies:** 0\
**Last updated:** [September 23, 2026, 6:56pm UTC](https://discourse.kitware.com/t/whats-new-in-pulse-4-4-0-september-30th-free-webinar/1685 "2026-09-23T18:56:47Z")

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On September 30th, from 12:00pm - 1:00pm ET, Kitware will be hosting What’s New in the Pulse Physiology Engine 4.4.0, a free webinar covering the recent updates and improvements in Pulse. Rachel Clipp, Ph.D., Jeff Webb,…

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## [Malignant Hyperthermia](https://discourse.kitware.com/t/malignant-hyperthermia/1683)

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**Author:** [@varunsesh](https://discourse.kitware.com/u/varunsesh)\
**Replies:** 0\
**Last updated:** [September 21, 2026, 11:24am UTC](https://discourse.kitware.com/t/malignant-hyperthermia/1683 "2026-09-21T11:24:28Z")

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Hi Guys, Has anyone tried to simulate Malignant Hyperthermia (MH) using Pulse Engine ? The typical case would be something like Laryngospasm (modelled as airway obstruction) is resolved and once succynlychloline is admi…

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## [Trouble Loading Image List in DIVE-Desktop-1.9.11](https://discourse.kitware.com/t/trouble-loading-image-list-in-dive-desktop-1-9-11/1677)

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**Author:** [@stacie.koslovsky](https://discourse.kitware.com/u/stacie.koslovsky)\
**Replies:** 2\
**Last updated:** [August 27, 2026, 12:23am UTC](https://discourse.kitware.com/t/trouble-loading-image-list-in-dive-desktop-1-9-11/1677 "2026-08-27T00:23:43Z")

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I am trying to open our image lists and annotation files in DIVE-Desktop-1.9.11. When loading the image list (with or without a detection file), I get the following error: SyntaxError: Failed to execute ‘open’ on ‘XMLHt…

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## [VIAME training crash](https://discourse.kitware.com/t/viame-training-crash/1674)

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**Author:** [@samloutet](https://discourse.kitware.com/u/samloutet)\
**Replies:** 1\
**Last updated:** [August 4, 2026, 9:40pm UTC](https://discourse.kitware.com/t/viame-training-crash/1674 "2026-08-04T21:40:19Z")

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Hello, I am trying to run a training on DIVE Desktop and I think that it is crashing before finishing correctly. I am getting some error messages in the run log but I don’t really know how to interpret them or if they a…

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## [Building Pulse with Visual Studio](https://discourse.kitware.com/t/building-pulse-with-visual-studio/1676)

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**Author:** [@ReiUkitaVandy](https://discourse.kitware.com/u/ReiUkitaVandy)\
**Replies:** 2\
**Last updated:** [July 20, 2026, 9:03pm UTC](https://discourse.kitware.com/t/building-pulse-with-visual-studio/1676 "2026-07-20T21:03:32Z")

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Hi Aaron. I tried rebuilding Pulse with the new ECMO simulation features using Visual Studio, but I’m running into problems that may be due to my version of Visual Studio (2026). The following error message has come up …

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## [Building as an external project dependency (C++)](https://discourse.kitware.com/t/building-as-an-external-project-dependency-c/1675)

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**Author:** [@quadrupoletensor](https://discourse.kitware.com/u/quadrupoletensor)\
**Replies:** 2\
**Last updated:** [July 10, 2026, 5:46pm UTC](https://discourse.kitware.com/t/building-as-an-external-project-dependency-c/1675 "2026-07-10T17:46:38Z")

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I’m trying to use Pulse as a dependency for a larger preexisting project, in MSVC/Visual Studio 2022. I am pulling in the Pulse engine via fetchcontent, and the files are cloned into my build directory as expected. The …

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## [Pulse for Mobile](https://discourse.kitware.com/t/pulse-for-mobile/1673)

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**Author:** [@jdyreson](https://discourse.kitware.com/u/jdyreson)\
**Replies:** 10\
**Last updated:** [June 11, 2026, 3:15pm UTC](https://discourse.kitware.com/t/pulse-for-mobile/1673 "2026-06-11T15:15:44Z")

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Hello, I see plenty of documentation around building Pulse for Android when using it in Unity or Unreal projects, but I was curious if there was anything regarding native Android/iOS? My assumption is that achieving th…

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## [Why does TissueModel::CalculateDiffusion() apply both instant and simple diffusion to O2/CO2?](https://discourse.kitware.com/t/why-does-tissuemodel-calculatediffusion-apply-both-instant-and-simple-diffusion-to-o2-co2/1671)

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**Author:** [@yifan\_sun](https://discourse.kitware.com/u/yifan_sun)\
**Replies:** 2\
**Last updated:** [May 17, 2026, 8:33am UTC](https://discourse.kitware.com/t/why-does-tissuemodel-calculatediffusion-apply-both-instant-and-simple-diffusion-to-o2-co2/1671 "2026-05-17T08:33:03Z")

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Hi Pulse Physiology Engine team, I am trying to understand the tissue gas diffusion methodology in TissueModel::CalculateDiffusion(). For gaseous substances such as O2 and CO2, the code appears to perform both instanta…

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## [general exception crash / restarting from last good epoch](https://discourse.kitware.com/t/general-exception-crash-restarting-from-last-good-epoch/1668)

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**Author:** [@christian\_reiss](https://discourse.kitware.com/u/christian_reiss)\
**Replies:** 2\
**Last updated:** [March 9, 2026, 8:38pm UTC](https://discourse.kitware.com/t/general-exception-crash-restarting-from-last-good-epoch/1668 "2026-03-09T20:38:07Z")

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Hi all- I was training a model using the desktop viame and the the code stopped executing with this general exception fault. I am wondering whether it would be possible to restart the model at the last good epoch, rathe…

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## [Is there a way to use the simulator in Vision Pro?](https://discourse.kitware.com/t/is-there-a-way-to-use-the-simulator-in-vision-pro/1667)

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**Author:** [@FahimU80](https://discourse.kitware.com/u/FahimU80)\
**Replies:** 6\
**Last updated:** [February 6, 2026, 2:00pm UTC](https://discourse.kitware.com/t/is-there-a-way-to-use-the-simulator-in-vision-pro/1667 "2026-02-06T14:00:49Z")

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Is there a way to run my Xcode project with the engine on a simulator? It currently only runs on an actual Vision Pro which I dont always have access to.

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## [ANNSIM 2026 Modeling & Simulation in Medicine Call for Papers SMTK](https://discourse.kitware.com/t/annsim-2026-modeling-simulation-in-medicine-call-for-papers-smtk/1664)

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**Author:** [@MichelODU](https://discourse.kitware.com/u/MichelODU)\
**Replies:** 1\
**Last updated:** [January 7, 2026, 8:12pm UTC](https://discourse.kitware.com/t/annsim-2026-modeling-simulation-in-medicine-call-for-papers-smtk/1664 "2026-01-07T20:12:09Z")

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Dear members of the SMTK community, I would like to draw your attention to the Annual Modeling & Simulation (ANNSIM) Conference, which will take place on May 4-7 2026 in Orlando, Florida, as part of which, Prof. Jerzy R…

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## [ANNSIM 2026 Modeling & Simulation in Medicine Call for Papers](https://discourse.kitware.com/t/annsim-2026-modeling-simulation-in-medicine-call-for-papers/1663)

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**Author:** [@MichelODU](https://discourse.kitware.com/u/MichelODU)\
**Replies:** 1\
**Last updated:** [January 7, 2026, 8:11pm UTC](https://discourse.kitware.com/t/annsim-2026-modeling-simulation-in-medicine-call-for-papers/1663 "2026-01-07T20:11:02Z")

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Dear members of the Pulse community, I would like to draw your attention to the Annual Modeling & Simulation (ANNSIM) Conference, which will take place on May 4-7 2026 in Orlando, Florida, as part of which, Prof. Jerz…

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## [Correct way to use CPack to distribute binaries](https://discourse.kitware.com/t/correct-way-to-use-cpack-to-distribute-binaries/889)

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**Author:** [@Yang](https://discourse.kitware.com/u/Yang)\
**Replies:** 2\
**Last updated:** [December 25, 2025, 12:44pm UTC](https://discourse.kitware.com/t/correct-way-to-use-cpack-to-distribute-binaries/889 "2025-12-25T12:44:19Z")

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Hi CMB community, I am new to CPack and I would like to learn it. I see that CMB superbuild has CPack rules implemented but I didn’t find any documentation of how to properly use it. Here is what I found out. There is…

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## [Android 16KB Page Size Issue](https://discourse.kitware.com/t/android-16kb-page-size-issue/1662)

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**Author:** [@David\_Greco](https://discourse.kitware.com/u/David_Greco)\
**Replies:** 3\
**Last updated:** [December 18, 2025, 3:27pm UTC](https://discourse.kitware.com/t/android-16kb-page-size-issue/1662 "2025-12-18T15:27:04Z")

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Hi, we’re running into policy violations with our Android Google Play store submissions because the pulse SDK is not build with 16KB page sizes. We were able to request a short extension but are warned that in the near f…

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## [After setting Pulse\_NATIVE\_BUILD\_DIR to my macos root build directory, CMake does not configure](https://discourse.kitware.com/t/after-setting-pulse-native-build-dir-to-my-macos-root-build-directory-cmake-does-not-configure/1657)

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**Author:** [@FahimU80](https://discourse.kitware.com/u/FahimU80)\
**Replies:** 20\
**Last updated:** [December 16, 2025, 9:28pm UTC](https://discourse.kitware.com/t/after-setting-pulse-native-build-dir-to-my-macos-root-build-directory-cmake-does-not-configure/1657 "2025-12-16T21:28:48Z")

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Im trying to use the engine for a visionOS project. I built the macOS version no problem and my bin populated with protoc. As I go to make the iOS version and set my root directory to the macOSBuild and it says CMake …

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## [Failing to load PulseC (Android phone)](https://discourse.kitware.com/t/failing-to-load-pulsec-android-phone/1660)

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**Author:** [@Ayfel](https://discourse.kitware.com/u/Ayfel)\
**Replies:** 6\
**Last updated:** [December 16, 2025, 2:06pm UTC](https://discourse.kitware.com/t/failing-to-load-pulsec-android-phone/1660 "2025-12-16T14:06:09Z")

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Hi, We are facing this issue when trying to load pulse with a Unity 6 build for android phones. This is the runtime error we get (and obviously Pulse fails to work): 2025/12/15 13:59:43.837 10073 10123 Debug nativeload…

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## [Xcode iOS (from Unity) Build Errors](https://discourse.kitware.com/t/xcode-ios-from-unity-build-errors/1656)

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**Author:** [@David\_Greco](https://discourse.kitware.com/u/David_Greco)\
**Replies:** 19\
**Last updated:** [December 10, 2025, 2:39pm UTC](https://discourse.kitware.com/t/xcode-ios-from-unity-build-errors/1656 "2025-12-10T14:39:59Z")

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I’m trying to build project exported from Unity 6000.0.63f1 and when I build the Xcode project I get the following errors: (the CoreAudioTypes Framework error appears to be benign and the real issue is the missing symbol…

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## [Initializing a sick patient in PyPulse](https://discourse.kitware.com/t/initializing-a-sick-patient-in-pypulse/1655)

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**Author:** [@Student01](https://discourse.kitware.com/u/Student01)\
**Replies:** 5\
**Last updated:** [December 5, 2025, 11:37pm UTC](https://discourse.kitware.com/t/initializing-a-sick-patient-in-pypulse/1655 "2025-12-05T23:37:54Z")

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Dear forum users, We are currently working on a university project and we want to test the preset HowTo SESubstanceBolus on a sepsis patient. The problem we have each time is, that inherently, as expected, a sick patie…

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## [How to import a .vtu file programmatically?](https://discourse.kitware.com/t/how-to-import-a-vtu-file-programmatically/1650)

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**Author:** [@CsatiZoltan](https://discourse.kitware.com/u/CsatiZoltan)\
**Replies:** 2\
**Last updated:** [December 5, 2025, 4:46am UTC](https://discourse.kitware.com/t/how-to-import-a-vtu-file-programmatically/1650 "2025-12-05T04:46:35Z")

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Hi, When I import a VTU file (e.g. the example file data/mesh/3d/nickel\_superalloy.vtu) in CMB, it loads it successfully, displaying the following message in the Output Messages window: INFO: smtk::session::vtk::Import…

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## [Installing CMB Superbuilder](https://discourse.kitware.com/t/installing-cmb-superbuilder/1652)

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**Author:** [@Kayra](https://discourse.kitware.com/u/Kayra)\
**Replies:** 0\
**Last updated:** [November 30, 2025, 4:10pm UTC](https://discourse.kitware.com/t/installing-cmb-superbuilder/1652 "2025-11-30T16:10:28Z")

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Hello. I am trying to install CMB Superbuilder on Ubuntu 22.04 to use it with the RGG plugin for reactor core design, but I am new to Linux and I am encountering some compilation errors. How can I resolve it? Best Regar…

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## [gitlab.kitware.com SSL cert expired](https://discourse.kitware.com/t/gitlab-kitware-com-ssl-cert-expired/1651)

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**Author:** [@scivision](https://discourse.kitware.com/u/scivision)\
**Replies:** 0\
**Last updated:** [November 25, 2025, 4:28am UTC](https://discourse.kitware.com/t/gitlab-kitware-com-ssl-cert-expired/1651 "2025-11-25T04:28:41Z")

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When trying to access https://gitlab.kitware.com with browser or curl from multiple computers / OS at different physical locations, I get errors like curl https://gitlab.kitware.com curl: (60) SSL certificate problem: …

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## [How to create a Resource from a file I loaded with a custom ParaView reader?](https://discourse.kitware.com/t/how-to-create-a-resource-from-a-file-i-loaded-with-a-custom-paraview-reader/1645)

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**Author:** [@CsatiZoltan](https://discourse.kitware.com/u/CsatiZoltan)\
**Replies:** 7\
**Last updated:** [November 24, 2025, 2:36pm UTC](https://discourse.kitware.com/t/how-to-create-a-resource-from-a-file-i-loaded-with-a-custom-paraview-reader/1645 "2025-11-24T14:36:52Z")

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Hi, I ported my reader-type ParaView plugin to CMB without any change. It works fine, but the imported mesh does not appear in the “Resources” panel. How can I implement a plugin that imports the mesh in the resources, …

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## [SMTK documentation is not searchable](https://discourse.kitware.com/t/smtk-documentation-is-not-searchable/1641)

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**Author:** [@CsatiZoltan](https://discourse.kitware.com/u/CsatiZoltan)\
**Replies:** 3\
**Last updated:** [November 19, 2025, 2:37pm UTC](https://discourse.kitware.com/t/smtk-documentation-is-not-searchable/1641 "2025-11-19T14:37:27Z")

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Does the search box work for you in the ReadTheDocs documentation of SMTK? For me, whatever I type, it does not load. Tested on Firefox with extensions disabled. It has been showing it for more than ten minutes.

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## [pvpython and pvbatch executables are not created in the standalone build of CMB](https://discourse.kitware.com/t/pvpython-and-pvbatch-executables-are-not-created-in-the-standalone-build-of-cmb/1646)

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**Author:** [@CsatiZoltan](https://discourse.kitware.com/u/CsatiZoltan)\
**Replies:** 5\
**Last updated:** [November 18, 2025, 4:43pm UTC](https://discourse.kitware.com/t/pvpython-and-pvbatch-executables-are-not-created-in-the-standalone-build-of-cmb/1646 "2025-11-18T16:43:47Z")

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I built the standalone version of CMB, relying on the superbuild of SMTK. My bin directory only contains modelbuilder.conf and the modelbuilder executable. On the other hand, if I build CMB as part of the superbuild, th…

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## [Undo/redo in CMB](https://discourse.kitware.com/t/undo-redo-in-cmb/1647)

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**Author:** [@CsatiZoltan](https://discourse.kitware.com/u/CsatiZoltan)\
**Replies:** 2\
**Last updated:** [November 16, 2025, 7:46am UTC](https://discourse.kitware.com/t/undo-redo-in-cmb/1647 "2025-11-16T07:46:52Z")

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Is there a way to undo (and potentially redo) an operation in CMB? As a concrete example: I select multiple entities in the resources and then assign a colour to them. Then I deselect the entities and perform other oper…

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## [How to design .sbt files?](https://discourse.kitware.com/t/how-to-design-sbt-files/1648)

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**Author:** [@CsatiZoltan](https://discourse.kitware.com/u/CsatiZoltan)\
**Replies:** 1\
**Last updated:** [November 16, 2025, 5:12am UTC](https://discourse.kitware.com/t/how-to-design-sbt-files/1648 "2025-11-16T05:12:34Z")

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I see the following ways to write .sbt files, which are responsible for the automatic creation of GUI widgets in CMB. Write them manually Find a similar example in smtk/data/attribute/attribute\_collection and adapt it…

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## [Glitches when assigning colors](https://discourse.kitware.com/t/glitches-when-assigning-colors/1643)

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**Author:** [@CsatiZoltan](https://discourse.kitware.com/u/CsatiZoltan)\
**Replies:** 4\
**Last updated:** [November 12, 2025, 5:27pm UTC](https://discourse.kitware.com/t/glitches-when-assigning-colors/1643 "2025-11-12T17:27:48Z")

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I use the operation smtk::operation::AssignColors in the Operations panel of CMB to assign colors to selected faces. As demonstrated in the video below on the example data file data/model/3d/netcdf/pillbox.ncdf of SMTK, …

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## [Cell and point selection does not work in CMB on SMTK file](https://discourse.kitware.com/t/cell-and-point-selection-does-not-work-in-cmb-on-smtk-file/1639)

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**Author:** [@CsatiZoltan](https://discourse.kitware.com/u/CsatiZoltan)\
**Replies:** 4\
**Last updated:** [November 5, 2025, 2:17pm UTC](https://discourse.kitware.com/t/cell-and-point-selection-does-not-work-in-cmb-on-smtk-file/1639 "2025-11-05T14:17:32Z")

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Hi, I would like to select cells or points in a discrete model imported into CMB. As an example, I considered the knee.smtk file shipped with CMB. I open it in CMB. I can select blocks with the “Select Block” command, b…

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## [Training and running YOLO models](https://discourse.kitware.com/t/training-and-running-yolo-models/1563)

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**Author:** [@samloutet](https://discourse.kitware.com/u/samloutet)\
**Replies:** 0\
**Last updated:** [October 24, 2025, 7:44pm UTC](https://discourse.kitware.com/t/training-and-running-yolo-models/1563 "2025-10-24T19:44:50Z")

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Hi, I noticed in that in the Pipelines Documentation that it says YOLO models are not runnable on the web, is this still true? I see the YOLO configuration files are in the dropdown menu on the web interface, but when I…

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