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Tagging Photos With GPS Coordinates

Posted by timothy on from the good-for-areas-51-through-67 dept.

ptorrone writes "As part of a camera mod project to make a low-cost aerial photography device we started finding other uses for the camera hack. This first part of this series is tagging photos with GPS coordinates by automating a camera and GPS unit, it's a DIY Black Box for now with interesting applications and other uses. Ideally, this may encourage the next EXIF data schema to support GPS and other information."

2 of 123 comments (clear)

  1. Principal looks good by shrewtamer · · Score: 0, Redundant

    The stuff in the link shows the principle

  2. You can also correlate the data later by MadHobbit · · Score: 1, Redundant

    If you carry your GPSr with you while photographing, you can later load the track history onto your computer, and correlate the timestamps in the photos' EXIF data with the timestamps the GPSr stores in the track history.

    I did this a while ago, with the program outputting an SVG map of my track history, with clickable dots everywhere a picture was taken. Click the dot, see the picture. I overlaid it all on a sattelite map of the city (Winnipeg), just because I could.

    The critical step is that you need to take a photo of your GPSr displaying the time, so that the program can calculate the offset between the clocks in the two units. You just tell the app "Photo #6 was taken at 10:26:04" and everything else is automatic.

    I wonder if that code survived my hard drive crash...