---
title: "unapply(_:)"
framework: spatial
role: symbol
role_heading: Instance Method
path: "spatial/primitive3dprotocol/unapply(_:)-34afa"
---

# unapply(_:)

Unapplies an affine transform.

## Declaration

```swift
mutating func unapply(_ transform: Self.AffineTransform)
```

## Parameters

- `transform`: The affine transform.

## Discussion

Discussion note: The transform must be rectilinear otherwise this function returns self.