Universal Scene Description

USD
Filename extension
.usd, .usda, .usdc, .usdz
Developed byAlliance for OpenUSD (AOUSD)
Type of format3D computer graphics
Websitewww.openusd.org Edit this at Wikidata

Universal Scene Description (USD) is a framework for interchange of 3D computer graphics data. The framework focuses on collaboration, non-destructive editing, and enabling multiple views and opinions about graphics data.[1] USD is used in many industries including visual effects, architecture, design, robotics, CAD, and rendering.[2][3]

History

It is developed by Pixar and was first published as open source software in 2016, under a modified Apache license.[4] Pixar, Adobe, Apple, Autodesk, and Nvidia, together with the Joint Development Foundation (JDF) of the Linux Foundation, announced the Alliance for OpenUSD (AOUSD) on 1 August 2023 to "promote the standardization, development, evolution, and growth of Pixar's Universal Scene Description technology."[5]

File formats

File formats used by the specification include:[6][7]

  • .usd, which can be either ASCII or binary-encoded
  • .usda, ASCII encoded
  • .usdc, binary encoded
  • .usdz, a package file which is a zero-compression, unencrypted zip archive, which may contain usd, usda, usdc, png, jpeg, m4a, mp3, and wav files.

Support

See also

  • Alembic – interchangeable computer graphics file format
  • glTF – Graphics Library Transmission Format

References

  1. ↑ "Introduction to USD". graphics.pixar.com. Retrieved 19 January 2020.
  2. ↑ "Pixar Universal Scene Description (USD)". NVIDIA Developer. 16 July 2019. Retrieved 26 June 2022.
  3. ↑ "Introduction to USD — Universal Scene Description 24.08 documentation".
  4. ↑ "Pixar open-sources its Universal Scene Description | CG Channel". Retrieved 26 June 2022.
  5. ↑ "Pixar, Adobe, Apple, Autodesk, and NVIDIA Form Alliance for OpenUSD to Drive Open Standards for 3D Content". Retrieved 3 August 2023.
  6. ↑ Sanders, James (5 June 2018). "Apple's USDZ AR file format: What you need to know". TechRepublic. Retrieved 8 August 2019.
  7. ↑ "USD Documentation : Usdz File Format Specification". Pixar Graphics Technologies. 2018. Retrieved 2 June 2020.
  8. ↑ "Products Using USD — Universal Scene Description 24.08 documentation".
  9. ↑ Paul, Katie (21 June 2022). "Meta and other tech giants form metaverse standards body, without Apple". Reuters. Retrieved 22 June 2022 – via www.reuters.com.
  10. ↑ Casserly, Martyn. "Everything you need to know about Apple's new USDZ augmented-reality file format". Macworld UK. Retrieved 8 August 2019.
  11. ↑ Horaczek, Stan (15 June 2018). "Apple and Pixar created a new file format for augmented reality on your phone". Popular Science. Retrieved 8 August 2019.
  12. ↑ "Universal Scene Description". Retrieved 15 February 2020.
  13. ↑ Blender 3.0: Pipeline, Assets & IO - USD Importer
  14. ↑ USD Import and Export in Blender
  15. ↑ "Supported File Formats". maxon.net (in German, English, Spanish, French, Italian, Japanese, Korean, and Chinese). Retrieved 8 April 2023.
  16. ↑ "What's new in Davinci Resolve 18.5 beta". Retrieved 17 April 2023.
  17. ↑ "Release of Fusion Studio 18.5". Retrieved 1 October 2023.
  18. ↑ "Solaris | SideFX". www.sidefx.com. Retrieved 19 January 2020.
  19. ↑ "NVIDIA Omniverse™". NVIDIA Developer. 11 March 2019. Retrieved 19 January 2020.
  20. ↑ "Rhino 8 Feature: USD (Universal Scene Description) Export". McNeel Forum. 6 July 2023. Retrieved 3 August 2023.
  21. ↑ "State of the Universal Scene Description (USD) format in Unreal Engine | Talks and demos".
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