---
title: radiusFormat
framework: metal
role: symbol
role_heading: Instance Property
path: metal/mtlaccelerationstructurecurvegeometrydescriptor/radiusformat
---

# radiusFormat

The format of each radius in the radius buffer.

## Declaration

```swift
var radiusFormat: MTLAttributeFormat { get set }
```

## Discussion

Discussion The property’s default value is MTLAttributeFormat.float.