---
title: uvScale
framework: realitykit
role: symbol
role_heading: Instance Property
path: realitykit/lightmapresource/atlasreference/uvscale
---

# uvScale

A scale to apply to lightmap UV attribute before sampling from the slice of the atlas.

## Declaration

```swift
var uvScale: SIMD2<Float>
```

## See Also

### Mapping texture coordinates

- [uvOffset](realitykit/lightmapresource/atlasreference/uvoffset.md)