---
title: upperAtmosphereScattering
framework: modelio
role: symbol
role_heading: Instance Property
path: modelio/mdlskycubetexture/upperatmospherescattering
---

# upperAtmosphereScattering

A factor that influences the color of the simulated sky.

## Declaration

```swift
var upperAtmosphereScattering: Float { get set }
```

## Discussion

Discussion This value affects the intensity of sunlight and the color of the sky. A value of 0.0 produces muted, dusky colors, and a value of 1.0 produces saturated, noon-like sky colors.

## See Also

### Working with Sky Simulation Parameters

- [turbidity](modelio/mdlskycubetexture/turbidity.md)
- [sunElevation](modelio/mdlskycubetexture/sunelevation.md)
- [groundAlbedo](modelio/mdlskycubetexture/groundalbedo.md)
- [groundColor](modelio/mdlskycubetexture/groundcolor.md)
- [horizonElevation](modelio/mdlskycubetexture/horizonelevation.md)