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I'm guessing that you are envisioning that the information displayed by metadata viewers is extracted by analyzing the image in some way, creating descriptive information from the pixels which make up the image. That's not the case. It's written to the files by the digital cameras (or scanners) that create them, according to several standards, including the ...


Most of the OSX GUI applications for manipulating exif information rely on Phil Harvey's exiftool, an open source perl library and cross-platform command-line tool for manipulating EXIF information. HoudahGPS, Geotagger, and GPSPhotoLinker all rely on exiftool to write EXIF tags. And since exiftool can write to Canon RAW files, these apps are likely to be ...


I have had quite good success with houdahGeo, in particular with Aperture. For this you open the photos you want to geotag from houdahGeo (you can open photos already in your Aperture Library) select them and then geotag them using either a map or a GPX file. Then you can reverse geocode and write the data back to the original Raw files. HoudahGeo then ...


You can do this fairly easily with the cross-platform free software ExifTool. It's even in in the FAQ: The -csv (comma separated values) option solves this dilemma by pre-extracting information from all input files, then producing a sorted list of available tag names as the first row of the output, and organizing the information into columns for ...

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