Tagging Photos With GPS Coordinates

There is an interesting discussion over at Slashdot about tagging digital photos with GPS coordinates. Apparently, I am not the most lazy person in my wishes. I just wanted to have a GPS unit, so that I could save coordinates at places where I make pictures. Real geeks, on the other hand, want a GPS unit to work with digital camera to automatically tag photographs. EXIF, it turns out, has already implemented support for GPS data with all sorts of fields (coordinates, satellites, etc).

In the discussion, I’ve noticed a couple of interesting points. First, it is possible to use timestamps from GPS unit and digital pictures to match for location. Second, many cameras support external GPS units natively. Nikon is said to be especially good at it.

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