---
title: MPSImageEuclideanDistanceTransform
framework: metalperformanceshaders
role: symbol
role_heading: Class
path: metalperformanceshaders/mpsimageeuclideandistancetransform
---

# MPSImageEuclideanDistanceTransform

A filter that performs a Euclidean distance transform on an image.

## Declaration

```swift
class MPSImageEuclideanDistanceTransform
```

## Topics

### Creating a Euclidean distance transform

- [init(device:)](metalperformanceshaders/mpsimageeuclideandistancetransform/init(device:).md)
- [init(coder:device:)](metalperformanceshaders/mpsimageeuclideandistancetransform/init(coder:device:).md)

### Limiting the search for nonzero pixels

- [searchLimitRadius](metalperformanceshaders/mpsimageeuclideandistancetransform/searchlimitradius.md)

## Relationships

### Inherits From

- [MPSUnaryImageKernel](metalperformanceshaders/mpsunaryimagekernel.md)

### Conforms To

- [CVarArg](swift/cvararg.md)
- [CustomDebugStringConvertible](swift/customdebugstringconvertible.md)
- [CustomStringConvertible](swift/customstringconvertible.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [NSCoding](foundation/nscoding.md)
- [NSCopying](foundation/nscopying.md)
- [NSObjectProtocol](objectivec/nsobjectprotocol.md)
- [NSSecureCoding](foundation/nssecurecoding.md)