---
title: TextureResource.Format.NormalEncoding.wy
framework: realitykit
role: symbol
role_heading: Case
path: realitykit/textureresource/format/normalencoding/wy
---

# TextureResource.Format.NormalEncoding.wy

A normal map with the X and Y components of a surface normal in the tangent space of the surface that RealityKit encodes in the alpha and green channels of a texture.

## Declaration

```swift
case wy
```

## Discussion

Discussion Each component value is between 0.0 and 1.0.

## See Also

### Normal profiles

- [TextureResource.Format.NormalEncoding.xy](realitykit/textureresource/format/normalencoding/xy.md)