---
title: levelsOfDetailBias
framework: quartzcore
role: symbol
role_heading: Instance Property
path: quartzcore/catiledlayer/levelsofdetailbias
---

# levelsOfDetailBias

The number of magnified levels of detail for this layer.

## Declaration

```swift
var levelsOfDetailBias: Int { get set }
```

## Discussion

Discussion Defaults to 0. Each previous level of detail is twice the resolution of the later. For example, specifying a value of 2 means that the layer has two extra levels of detail: 2x and 4x.

## See Also

### Levels of detail

- [levelsOfDetail](quartzcore/catiledlayer/levelsofdetail.md)