Spz.NET

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Native C# implementation of Niantic Labs' SPZ format.

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# Spz.NET: A C# Implementation of SPZ (de)serialization.

> [!WARNING]
> **Deprecation notice!**
>
> Niantic labs has made a vast number of changes to [their library](https://github.com/nianticlabs/spz) which would need to be replicated here. As much as I love having a 100% C# library, it's unfortunately not a wise use of developer time to play catch-up; especially since it seems their development moves quite rapidly.
>
> You'll eventually see another repo from us which provides equivalent functionality via P/Invoke bindings to Niantic's native SPZ library.

This library provides a completely native implementation of Niantic Labs' SPZ format, of which the original can be found [here](https://github.com/nianticlabs/spz).

Let's get straight to the point with an example of how to use this library.

In this example, a compressed .spz file is loaded and serialized to a .ply file.
```csharp

// Load a .spz file
GaussianCloud splat = SplatSerializer.FromSpz("/path/to/splat.spz");

// Serialize to .ply
splat.ToPly("/path/to/splat.ply");
```

And here's how to compress a .ply to a .spz:
```csharp

// Load a .ply file.
GaussianCloud splat = SplatSerializer.FromPly("/path/to/splat.ply");

// Serialize to .spz
splat.ToSpz("/path/to/splat.spz");

```

Gaussian clouds implement `IReadOnlyList<Gaussian>`, so they can be indexed and enumerated through as a normal collection.

Also included in this repo is a demo library consisting of a simple console app to demonstrate how to use Spz.NET.

Unit tests and a proper nuget release will be coming soon.

Spz.NET

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