---
title: CMFormatDescription.Extensions.Value.CameraCalibrationDataLensCollection.ExtrinsicOriginSource.stereoCameraSystemBaseline
framework: coremedia
role: symbol
role_heading: Case
path: coremedia/cmformatdescription/extensions-swift.struct/value/cameracalibrationdatalenscollection/extrinsicoriginsource/stereocamerasystembaseline
---

# CMFormatDescription.Extensions.Value.CameraCalibrationDataLensCollection.ExtrinsicOriginSource.stereoCameraSystemBaseline

Center of transform is determined by the point mid way along the dimensions indicated by the StereoCameraSystemBaselineBox held in the StereoCameraSystemBox.

## Declaration

```swift
case stereoCameraSystemBaseline
```