kCGImagePropertyGPSTrackRef
The reference for the direction of GPS receiver’s movement.
Declaration
let kCGImagePropertyGPSTrackRef: CFStringSee Also
Measurement Details
kCGImagePropertyGPSStatuskCGImagePropertyGPSSatelliteskCGImagePropertyGPSMeasureModekCGImagePropertyGPSDOPkCGImagePropertyGPSSpeedRefkCGImagePropertyGPSSpeedkCGImagePropertyGPSTrackkCGImagePropertyGPSMapDatumkCGImagePropertyGPSProcessingMethodkCGImagePropertyGPSAreaInformationkCGImagePropertyGPSDifferental