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Rotate photos using exiftool and AppleScript
Authored by: Doc Drang on Oct 26, '09 09:56:18AM

I had sort of the opposite problem; photos taken looking down on a subject often had their EXIF rotation tag set incorrectly because of how I was holding the camera just before turning it to look down. I wrote a shell script called "derotate" that used exiftool to fix the tag:

http://www.leancrew.com/all-this/2009/04/derotating-jpegs-with-exiftool/

My worry about rotating JPEGs in a graphics program is that the image will degrade because the JPEG compression is reapplied to the rotated image. The nice thing about exiftool is that you can look through the Perl code and see that it's affecting only the EXIF tags, not the image itself.

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Doc Drang
http://www.leancrew.com/all-this


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