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# DockAccessory.CameraInformation

A collection of tracking information about the camera currently in use.

```
struct CameraInformation
```

## Overview

Use this class in conjuction with [`track(_:cameraInformation:)`](/documentation/DockKit/DockAccessory/track(_:cameraInformation:)-4yl9b) and
[`track(_:cameraInformation:)`](/documentation/DockKit/DockAccessory/track(_:cameraInformation:)-44mwn).

## Topics

### Creating the object

[`init(captureDevice: AVCaptureDevice.DeviceType, cameraPosition: AVCaptureDevice.Position, orientation: DockAccessory.CameraOrientation, cameraIntrinsics: matrix_float3x3?, referenceDimensions: CGSize?)`](/documentation/DockKit/DockAccessory/CameraInformation/init(captureDevice:cameraPosition:orientation:cameraIntrinsics:referenceDimensions:))

Creates an object that describes the camera in use for tracking.

### Getting camera information

[`let cameraPosition: AVCaptureDevice.Position`](/documentation/DockKit/DockAccessory/CameraInformation/cameraPosition)

The physical position of the capture device.

[`let cameraIntrinsics: matrix_float3x3?`](/documentation/DockKit/DockAccessory/CameraInformation/cameraIntrinsics)

A matrix that represents the characteristics of the lens.

[`let captureDevice: AVCaptureDevice.DeviceType`](/documentation/DockKit/DockAccessory/CameraInformation/captureDevice)

The capture device generating the video.

[`let orientation: DockAccessory.CameraOrientation`](/documentation/DockKit/DockAccessory/CameraInformation/orientation)

The orientation of the capture device.

[`let referenceDimensions: CGSize?`](/documentation/DockKit/DockAccessory/CameraInformation/referenceDimensions)

The size of the video frame.

## Relationships

### Conforms To

[`Sendable`](/documentation/Swift/Sendable)

[`SendableMetatype`](/documentation/Swift/SendableMetatype)

---

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