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As Patrick Kowalzick pointed out in a previous discussion, the EXIF standards since 1998 have included tags to document the destination point of a photograph. Tags include GPSDestLatitude, GPSDestLongitude, GPSDestBearing, and GPSDestDistance.
Is there any camera, GPS or software (or combination of the above) which support the GPSDestXYZ exif tags?
Solmeta sells two Geotaggers supporting orientation: http://www.solmeta.com/dede/pro.html
Some cameras have built in compass as well:
I think for GPSDestLatitude, GPSDestLongitude and GPSDistance there is some software and manual processing necessary.
First off, a reminder: The IPTC spec clearly distinguishes "Location Created" (position of the photographer) vs "Location Shown" (main subject seen in image).
No camera or GPS unit can set these GPSDestXYZ EXIF tags. They are about a subjective concept. You need software in post-processing to tell what is the "Location Shown". I don't know any software that supports this.
Unfortunately, the EXIF spec does not clearly specify what "destination" means in these GPS IFD tags 19-26. The Metadata Working Group recommends using them for "Location Shown". Reference: Section "5.8 Location" of "Guidelines For Handling Image Metadata" Version 2.0 from November 2010.
A digital compass is useful to set GPSImgDirection. A GPS unit is useful to set "Location Created" coordinates, and GPSTrack if the photographer is moving. "Location Shown" and therefore the GPSDestXYZ tags can't be determined automatically.
