<!--
{
  "availability" : [
    "iOS: 16.0.0 -",
    "iPadOS: 16.0.0 -",
    "macCatalyst: -",
    "macOS: 13.0.0 -",
    "tvOS: 16.0.0 -",
    "visionOS: -",
    "watchOS: 9.0.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "Spatial",
  "identifier" : "/documentation/Spatial/Size3D/unapplying(_:)-7qam3",
  "metadataVersion" : "0.1.0",
  "role" : "Instance Method",
  "symbol" : {
    "kind" : "Instance Method",
    "modules" : [
      "Spatial"
    ],
    "preciseIdentifier" : "s:So8SPSize3Da7SpatialE10unapplyingyABSo19SPAffineTransform3DaF"
  },
  "title" : "unapplying(_:)"
}
-->

# unapplying(_:)

Returns a size that results from unapplying the specified affine transform.

```
func unapplying(_ transform: AffineTransform3D) -> Size3D
```

## Parameters

`transform`

The affine transform that the function unapplies to the size.

## Return Value

The size that results from unapplying the specified affine transform.

---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)