---
title: "init(scale:)"
framework: foundation
role: symbol
role_heading: Initializer
path: "foundation/affinetransform/init(scale:)"
---

# init(scale:)

Creates an affine transformation matrix from scaling a single value.

## Declaration

```swift
init(scale factor: CGFloat)
```

## Parameters

- `factor`: The scale factor.

## Discussion

Discussion The matrix takes the following form: [ f  0  0 ] [ 0  f  0 ] [ 0  0  1 ]

## See Also

### Creating Transforms

- [init()](foundation/affinetransform/init().md)
- [init(rotationByDegrees:)](foundation/affinetransform/init(rotationbydegrees:).md)
- [init(rotationByRadians:)](foundation/affinetransform/init(rotationbyradians:).md)
- [init(scaleByX:byY:)](foundation/affinetransform/init(scalebyx:byy:).md)
- [init(translationByX:byY:)](foundation/affinetransform/init(translationbyx:byy:).md)
- [init(m11:m12:m21:m22:tX:tY:)](foundation/affinetransform/init(m11:m12:m21:m22:tx:ty:).md)