---
title: Identity Transform
framework: quartzcore
role: collectionGroup
role_heading: API Collection
path: quartzcore/identity-transform
---

# Identity Transform

Defines the identity transform matrix used by Core Animation.

## Topics

### Constants

- [CATransform3DIdentity](quartzcore/catransform3didentity.md)

## See Also

### Constants

- [CAAutoresizingMask](quartzcore/caautoresizingmask.md)
- [Action Identifiers](quartzcore/action-identifiers.md)
- [CAEdgeAntialiasingMask](quartzcore/caedgeantialiasingmask.md)
- [Scaling Filters](quartzcore/scaling-filters.md)
- [CATransform3D](quartzcore/catransform3d.md)
- [CALayer.DynamicRange](quartzcore/calayer/dynamicrange.md)