---
title: maxKernelDiameter()
framework: metalperformanceshaders
role: symbol
role_heading: Type Method
path: metalperformanceshaders/mpsimagemedian/maxkerneldiameter()
---

# maxKernelDiameter()

Queries the maximum diameter, in pixels, of the filter window supported by the median filter.

## Declaration

```swift
class func maxKernelDiameter() -> Int
```

## Return Value

Return Value Returns the maximum diameter, in pixels, of the filter window supported by the median filter.

## See Also

### Methods

- [init(device:kernelDiameter:)](metalperformanceshaders/mpsimagemedian/init(device:kerneldiameter:).md)
- [minKernelDiameter()](metalperformanceshaders/mpsimagemedian/minkerneldiameter().md)