The scale factor to meters from the world coordinate system containing the camera.
- iOS 9.0+
- macOS 10.11+
- tvOS 9.0+
- Model I/O
Some calculations, such as the calculation of
MDLStereoscopic view matrices, must occur in world space.
MDLCamera properties measured in meters or millimeters use this conversion scale to perform the calculation.
The default value is 1.0.