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Old 03-07-2005, 12:24 PM   #1
mfcarroll
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Registered: Mar 2004
Location: Vancouver, Canada
Distribution: debian testing / ubuntu
Posts: 11

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Question need software to batch-rotate jpeg's based on exif data


I'm looking for some softare to rotate jpeg images based on the exif data. My digital camera stores rotation information, and when I was using windoze the import software would automatically rotate the images. Now i'm copying the images directly using a flash card reader, and I have to rotate the images manually, which when you're as trigger-happy as me with a digital camera can be a lot of work.

So here's my question... does anyone know of software that can automatically (with no or minimal intervention)

- step through an entire folder (or folders) of jpeg images one by one
- examine the exif data to determine if rotation is needed
- perform lossless rotation on images that are incorrectly orientated
- (optional, but would be nice) also support batch-resizing

...any ideas would be greatly appreciated - i've been searching for an hour or so now with no luck.

Thanks
Matthew
 
Old 03-07-2005, 12:42 PM   #2
Komakino
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Registered: Feb 2004
Location: Somerset, England
Distribution: Slackware 10.2, Slackware 10.0, Ubuntu 9.10
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A bash script using convert (part of ImageMagick) could do most of that...I don't understand exif data though. If I knew what that was and how to access it I might be more help.
 
Old 03-07-2005, 12:49 PM   #3
Komakino
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Registered: Feb 2004
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Distribution: Slackware 10.2, Slackware 10.0, Ubuntu 9.10
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I've just come across this online. It supports EXIF lossless cropping / rotation. It needs Perl/Tk. I don't know if it supports batch operation.

http://mapivi.sourceforge.net/mapivi.shtml
 
Old 03-07-2005, 02:39 PM   #4
acid_kewpie
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Registered: Jun 2001
Location: UK
Distribution: Gentoo, RHEL, Fedora, Centos
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i just instaleld exiftags, which can dum pout exif data to console in a pretty parsable format, should be a doddle to wrap that and convert into a tiny bash script.
 
  


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