---
title: kCGImagePropertyGPSLongitudeRef
framework: imageio
role: symbol
role_heading: Global Variable
path: imageio/kcgimagepropertygpslongituderef
---

# kCGImagePropertyGPSLongitudeRef

An indication of whether the longitude is east or west.

## Declaration

```swift
let kCGImagePropertyGPSLongitudeRef: CFString
```

## See Also

### GPS Coordinate

- [kCGImagePropertyGPSLatitude](imageio/kcgimagepropertygpslatitude.md)
- [kCGImagePropertyGPSLongitude](imageio/kcgimagepropertygpslongitude.md)
- [kCGImagePropertyGPSAltitude](imageio/kcgimagepropertygpsaltitude.md)
- [kCGImagePropertyGPSLatitudeRef](imageio/kcgimagepropertygpslatituderef.md)
- [kCGImagePropertyGPSAltitudeRef](imageio/kcgimagepropertygpsaltituderef.md)
- [kCGImagePropertyGPSHPositioningError](imageio/kcgimagepropertygpshpositioningerror.md)