---
title: "init(device:)"
framework: metalperformanceshaders
role: symbol
role_heading: Initializer
path: "metalperformanceshaders/mpsimagesobel/init(device:)"
---

# init(device:)

Initializes a Sobel filter on a given device using the default color transform.

## Declaration

```swift
convenience init(device: any MTLDevice)
```

## Parameters

- `device`: The Metal device the filter will run on.

## Return Value

Return Value An initialized Sobel filter object.

## Discussion

Discussion The default color transform matrix is an array of 3 floats set to the BT.601/JPEG standard: {0.299f, 0.587f, 0.114f}.

## See Also

### Methods

- [init(device:linearGrayColorTransform:)](metalperformanceshaders/mpsimagesobel/init(device:lineargraycolortransform:).md)