---
title: whitePoint
framework: scenekit
role: symbol
role_heading: Instance Property
path: scenekit/scncamera/whitepoint
---

# whitePoint

The luminance level to use as the upper end of a tone mapping curve.

## Declaration

```swift
var whitePoint: CGFloat { get set }
```

## Discussion

Discussion When using a High Dynamic Range (HDR) camera, SceneKit applies a process called tone mapping to translate the wide range of luminance values in the visible scene to the narrower range of brightness values that can be shown on a display. SceneKit determines a tone mapping curve from the minimumExposure, maximumExposure, exposureOffset, and whitePoint properties, along with a measure of scene luminance. The default value is 1.0. By setting this property to a higher or lower value, you can produce more gradual or more abrupt transitions between shadows and highlights. This property has no effect if the wantsHDR value is false.

## See Also

### Adding High Dynamic Range Effects

- [wantsHDR](scenekit/scncamera/wantshdr.md)
- [exposureOffset](scenekit/scncamera/exposureoffset.md)
- [averageGray](scenekit/scncamera/averagegray.md)
- [minimumExposure](scenekit/scncamera/minimumexposure.md)
- [maximumExposure](scenekit/scncamera/maximumexposure.md)