# OpenExec

**URL:** https://forum.aousd.org/c/community/openexec/20.md

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## [About the OpenExec category](https://forum.aousd.org/t/about-the-openexec-category/2476)

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**Author:** [@jesswang](https://forum.aousd.org/u/jesswang)\
**Replies:** 0\
**Last updated:** [May 24, 2025, 12:18am UTC](https://forum.aousd.org/t/about-the-openexec-category/2476 "2025-05-24T00:18:41Z")

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Welcome to the Using OpenExec category, a place to ask for support regarding the use of the OpenExec computation framework.. Check out our Announcement Post to learn more about this forum in general. Topics that might …

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## [How to affect the rendered image by OpenExec](https://forum.aousd.org/t/how-to-affect-the-rendered-image-by-openexec/2838)

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**Author:** [@rkat](https://forum.aousd.org/u/rkat)\
**Replies:** 6\
**Last updated:** [February 6, 2026, 6:35pm UTC](https://forum.aousd.org/t/how-to-affect-the-rendered-image-by-openexec/2838 "2026-02-06T18:35:39Z")

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Hi, I am currently experimenting with a simple constraint implementation using OpenExec. My goal is to create a MyConstraintAPI that can be applied to xformable prims. This API has a relationship with a target xformable…

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## [OpenExec: Is it possible query other prims from within the exec lambda?](https://forum.aousd.org/t/openexec-is-it-possible-query-other-prims-from-within-the-exec-lambda/2745)

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**Author:** [@barbalt](https://forum.aousd.org/u/barbalt)\
**Replies:** 2\
**Last updated:** [October 23, 2025, 8:40pm UTC](https://forum.aousd.org/t/openexec-is-it-possible-query-other-prims-from-within-the-exec-lambda/2745 "2025-10-23T20:40:39Z")

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Hello, As I continue my experiments with open exec. I thought of using the UsdCollectionApi with OpenExec. The goal was to get the prims in the collection’s paths and query some properties in them. I saw there was a “S…

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## [OpenExec question: how to compute mesh points? No VtArray allowed](https://forum.aousd.org/t/openexec-question-how-to-compute-mesh-points-no-vtarray-allowed/2739)

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**Author:** [@barbalt](https://forum.aousd.org/u/barbalt)\
**Replies:** 4\
**Last updated:** [October 17, 2025, 3:57pm UTC](https://forum.aousd.org/t/openexec-question-how-to-compute-mesh-points-no-vtarray-allowed/2739 "2025-10-17T15:57:20Z")

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Hello, I’m trying to learn about open exec and created a simple function based on the documentation: static VtVec3fArray \_ChangeVerts(const VdfContext& ctx) { const VtVec3fArray\* const originalPoints = ctx.GetInput…

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## [OpenExec and OneTBB](https://forum.aousd.org/t/openexec-and-onetbb/2519)

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**Author:** [@nvmkuruc](https://forum.aousd.org/u/nvmkuruc)\
**Replies:** 1\
**Last updated:** [June 14, 2025, 5:39pm UTC](https://forum.aousd.org/t/openexec-and-onetbb/2519 "2025-06-14T17:39:46Z")

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Hi all. I wanted to ask about exec: Disable OpenExec when building with oneTBB · PixarAnimationStudios/OpenUSD@9267ada. Do you anticipate OpenExec working with OneTBB in a 25.xx release? Thanks, Matt