GaussianSplats3D

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GaussianSplats3D is an Open Source 3D & Animation tool that provides a Three.js-based implementation for 3D Gaussian splatting. It allows for real-time rendering of 3D scenes from 2D images, accessible via a web viewer.

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At a glance

Pricing

Open Source

Free tier

Yes

API

Skill level

Technical

About

What is GaussianSplats3D?

GaussianSplats3D offers a Three.js-based implementation for 3D Gaussian splatting, enabling the generation and real-time rendering of 3D scenes from 2D images directly in a web browser. Unlike CUDA-based solutions requiring native machine execution, this project focuses on web accessibility. It supports various 3D scene formats including .ply, standard .splat, and its custom compressed .ksplat files, which can be converted for optimal performance. The tool is designed for developers and 3D enthusiasts, providing organized ES modules, built-in WebXR support, and optimizations like octree culling and WASM SIMD-based splat sorting. While no longer in active development, it serves as a foundational open-source project for web-based 3D Gaussian splatting.

Best used for

Ideal for developers and content creators who need to implement real-time 3D Gaussian splatting in web environments, integrate 3D scenes with Three.js, and optimize 3D file formats for web viewing. Especially valuable for those looking for an open-source, client-side rendering solution.

Common actions

render 3D scenes

implement 3D splatting

convert 3D files

create web viewers

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Capabilities

Key features

Three.js-based rendering
Supports .ply, .splat, .ksplat
WebXR support
Optimized splat culling
WASM splat sort
Integrate Three.js scenes

Target Audience

developercontent creator

Integrations

Not yet documented

Pricing & Plans

Open Source

Free

FAQs

What file formats does GaussianSplats3D support?

GaussianSplats3D supports .ply files generated by the INRIA project, standard .splat files, and its own custom .ksplat files. The .ksplat format is a trimmed-down and compressed version designed for optimal loading times and performance within the viewer.

Can I integrate my own Three.js scene with GaussianSplats3D?

Yes, you can integrate your existing Three.js scene by passing a Three.js scene object as a parameter to the viewer's constructor. This allows GaussianSplats3D to handle the rendering of both your Three.js objects and the splats together.

What are the limitations on the number of splats that can be rendered?

The maximum number of splats depends on the spherical harmonics degree. For degree 0, it's around 16 million; for degree 1, about 11 million; and for degree 2, approximately 8 million. Future optimizations aim to increase these limits by improving data packing.

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