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# PlaneAnchor

An anchor that represents horizontal and vertical planes.

```
struct PlaneAnchor
```

## Topics

### Inspecting a plane anchor

[`originFromAnchorTransform`](/documentation/ARKit/PlaneAnchor/originFromAnchorTransform)

The location and orientation of a plane in world space.

[`alignment`](/documentation/ARKit/PlaneAnchor/alignment-swift.property)

The general orientation of the detected plane with respect to gravity.

[`PlaneAnchor.Alignment`](/documentation/ARKit/PlaneAnchor/Alignment-swift.enum)

Values describing possible general orientations of a detected plane with respect to gravity.

[`classification`](/documentation/ARKit/PlaneAnchor/classification-swift.property)

Get the classification of this plane.

[`PlaneAnchor.Classification`](/documentation/ARKit/PlaneAnchor/Classification-swift.enum)

The kinds of object classification a plane anchor can have.

[`description`](/documentation/ARKit/PlaneAnchor/description)

A textual representation of this anchor.

### Getting the shape of a plane anchor

[`geometry`](/documentation/ARKit/PlaneAnchor/geometry-swift.property)

Get the geometry of the plane in the anchor’s coordinate system.

[`PlaneAnchor.Geometry`](/documentation/ARKit/PlaneAnchor/Geometry-swift.struct)

The geometry of a plane anchor.

### Identifying a plane anchor

[`id`](/documentation/ARKit/PlaneAnchor/id)

The unique identifier of this anchor.


---

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