Thursday, August 28, 2008

Tips: Geotagging Photos with Picasa

Every digital image is encoded with digital information, EXIF, aside from the actual picture. That information holds interesting data: When the picture was taken, if it was modified and when it was last modified, Camera information, focal length, Camera make and model among other information.

We'll be focusing on one of the little known and little used fields called a geotag. A geotag allows you to identify the location where the image was taken using longitude and latidude based coordinates. This can be determined from the camera, external GPS device or embedded later. This gives you a new way to sort and search through your photo.

Another option is to wait until you've finished taking photos and add all the location details once you've downloaded the images to your PC. There are a variety of ways to do this, but one of the most straightforward uses a combination of Google's Picasa software and the company's Google Earth application.

This Excerpt is courtesy of Cnet (Click title for full article)

After downloading your photos into Picasa, it's simply a matter of clicking on the tools tab and selecting the 'Geotag with Google Earth' option. This opens the mapping application in which you navigate to the place where the photo was taken. A single click then embeds the relevant latitude and longitude details into the photo's EXIF metadata file.

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