AOUSD Has Announced OpenUSD v26.03 with Support for 3D Gaussian Splats
The new release also brings new deployment targets with WebAssembly build support and more.
The Alliance for OpenUSD (AOUSD), an organization formed in 2023 to promote the standardization and development of Pixar's Universal Scene Description technology, has announced OpenUSD v26.03.
The new release adds a new schema for 3D Gaussian Splats and new deployment targets with WebAssembly build support, upgrades USD's core value resolution engine, and advances rigging, rendering, and performance.
More specifically, OpenUSD v26.03 features UsdVolParticleField schema family, including UsdVolParticleField3DGaussianSplat, which is a schema for representing 3D Gaussian Splat data as a first-class USD prim type. This solution adds one of the fastest-growing 3D capture and radiance-field formats to the USD ecosystem.
To learn more about how Gaussian Splatting in OpenUSD was developed through collaboration between the Academy Software Foundation (ASWF) and the Alliance for OpenUSD, watch this presentation from this year's ASWF Open Source Forum:
Another key addition is that OpenUSD can now be compiled to WebAssembly, and a new wasmFetchResolver example demonstrates loading and interacting with USD scenes directly in a web browser via HTTP protocol, which lowers the barrier for web-based 3D tooling and viewers built on USD.
Alongside other improvements, the release is made faster due to several targeted optimizations, including the streamlining of composition dependency computation and a fix for .usdc sublayers with heavily-connected relationships.
The new OpenUSD release is available on GitHub.
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