---
title: horizontal
framework: metal
role: symbol
role_heading: Instance Property
path: metal/mtlrasterizationratelayerdescriptor/horizontal
---

# horizontal

The horizontal rasterization rates for the layer map’s rows.

## Declaration

```swift
var horizontal: MTLRasterizationRateSampleArray { get }
```

## See Also

### Inspecting the layer rate function parameters

- [sampleCount](metal/mtlrasterizationratelayerdescriptor/samplecount.md)
- [maxSampleCount](metal/mtlrasterizationratelayerdescriptor/maxsamplecount.md)
- [vertical](metal/mtlrasterizationratelayerdescriptor/vertical.md)
- [MTLRasterizationRateSampleArray](metal/mtlrasterizationratesamplearray.md)