---
title: kCISamplerFilterLinear
framework: coreimage
role: symbol
role_heading: Global Variable
path: coreimage/kcisamplerfilterlinear
---

# kCISamplerFilterLinear

Bilinear interpolation.

## Declaration

```swift
let kCISamplerFilterLinear: String
```

## See Also

### Constants

- [kCISamplerWrapBlack](coreimage/kcisamplerwrapblack.md)
- [kCISamplerWrapClamp](coreimage/kcisamplerwrapclamp.md)
- [kCISamplerFilterNearest](coreimage/kcisamplerfilternearest.md)