We’re Plattipus Research and Production Lab. Inspired by the new UsdVolParticleField3DGaussianSplat schema introduced in OpenUSD v26.03, we built Houdini Solaris integration — and we’re open-sourcing it today.
→ https://github.com/plattipus/houdini-gsplat [github.com]
It implements the v26.03 schema natively inside Houdini 21 Solaris: a custom Hydra delegate, UsdImaging adapter, and three LOP nodes: PLY Import, Gsplat Instancer, and Uruk. Import a .ply, see it live in the viewport, instance it across a scene at O(M+N) memory, all without leaving the LOP network.
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gs-splat-instancer
Thanks,
https://www.plattipus.com/research/houdini-usd-gsplat [www.plattipus.com]