Thursday, 17 January 2008

Geotagging Photos

If like me you use Flickr you might have tried geotagging your photos. While this is easy in urban areas with clear buildings or monuments the same is not true of the uplands with most of GB covered only at satellite level.

However if you also use a GPS and keep a tracklog there is another alternative. Sanoodi, offers a free service aimed at runners and walkers interested in sharing GPS tracks as a logbook. The site is interesting in itself however it is the interaction with Flickr that caught my eye when it showed up as a referrer for one of my photo.

It works in two ways first it pulls in any public geotagged photo in the vicinity of your route but second and more important it allows you to take a GPX file upload it to the site then match the EXIF data from a Flickr set and locate where your photo was taken.

Its not perfect you need to approximately locate the first photo but a snap of your gps after it locks on as a working photo does the trick nicely. The main downside is a formulaic comment on the photo page linking back to the walk. It also only reads data from an uploaded Active track on Garmins save the track and the required data is lost.

It does however take alot of guesswork out of locating those remote photos

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