GPS Correlate takes a GPS track stored by any of a number of GPS devices and phone apps and correlates the time stamp of a digital photo with the location of the track at that same moment. The location of the image is then stamped directly into the image file using the appropriate EXIF GPS tags.
The resulting image then contains not just the time the photo was taken but its exact location, too. The location is used by various other applications and services (such as Google Photos) to display a map of where the photo was taken.
A typical use case would be to start a GPS tracking app on the phone in your pocket while taking pictures. After the shoot, download the track in GPX format to your computer along with the photos, then use gpscorrelate to combine the two.
This is free and open source software.
Website: dfandrich.github.io/gpscorrelate
Support: GitHub Code Repository
Developer: Dan Fandrich
License: GNU General Public License v2.0
GPS Correlate is written in C. Learn C with our recommended free books and free tutorials.
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