---
title: ancestorFromSpaceTransformFloat()
framework: arkit
role: symbol
role_heading: Instance Method
path: arkit/arkitcoordinatespace/ancestorfromspacetransformfloat()
---

# ancestorFromSpaceTransformFloat()

Get the transformation to ancestor space from this ARKit coordinate space.

## Declaration

```swift
func ancestorFromSpaceTransformFloat() -> ProjectiveTransform3DFloat
```

## Return Value

Return Value The transformation to ancestor space from this ARKit coordinate space.