Commons:EXIF
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Revision as of 00:18, 20 March 2013
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Photos taken with a digital camera are likely to be [[w:JPEG|JPEG]] images with embedded [[w:EXIF|EXIF]] data, with automatically recorded date and time the photo was taken, exposure settings, focal length, and so on. You may also directly add EXIF information tags to an image, like author and copyright, but using [[Commons:Copyright tags|copyright tags]] is required in Wikimedia Commons nonetheless.
Photos taken with a digital camera are likely to be [[w:JPEG|JPEG]] images with embedded [[w:EXIF|EXIF]] data, with automatically recorded date and time the photo was taken, exposure settings, focal length, and so on. You may also directly add EXIF information tags to an image, like author and copyright, but using [[Commons:Copyright tags|copyright tags]] is required in Wikimedia Commons nonetheless.
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'''[[Bold text]]'''== Purpose for using EXIF at Commons ==
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== Purpose for using EXIF at Commons ==
EXIF information helps us by keeping all kinds of meta information directly within the file, but it can never replace a [[Commons:First steps|good image description]]. It is displayed by the MediaWiki software in the "Metadata" section at the image description page, and helps make this feature useful.
EXIF information helps us by keeping all kinds of meta information directly within the file, but it can never replace a [[Commons:First steps|good image description]]. It is displayed by the MediaWiki software in the "Metadata" section at the image description page, and helps make this feature useful.
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'''Bold text'''=== License information ===
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=== License information ===
EXIF information is especially helpful if you don't trust people downloading your media from Commons and reusing it according to your [[Commons:Licensing|license conditions]]. Thus, license information is always kept within the EXIF of every image copy automatically.
EXIF information is especially helpful if you don't trust people downloading your media from Commons and reusing it according to your [[Commons:Licensing|license conditions]]. Thus, license information is always kept within the EXIF of every image copy automatically.
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Programs [http://www.geosetter.de/en/ GeoSetter] (freeware) and [http://www.konvertor.net/indexe.html Konvertor] (shareware) are able to edit EXIF and [[w:IPTC Information Interchange Model|IPTC]] fields such as captions, keywords, etc. Programs [http://www.xnview.com/ XnView] (free for non-commercial use), [http://picasa.google.com/ Picasa] (freeware) and [http://www.irfanview.com/ IrfanView], (free of charge for private use) are able to edit IPTC fields such as captions, keywords, etc. They can view, but not edit, most EXIF fields, like [http://www.microsoft.com/downloads/en/details.aspx?FamilyID=184075d2-40b5-4172-88ae-878f81896d4d Microsoft Pro Photo Tools]. [http://www.digitalconfidence.com/downloads.html BatchPurifier LITE] (freeware) can completely erase EXIF and other JPEG metadata to protect the user's privacy.
Programs [http://www.geosetter.de/en/ GeoSetter] (freeware) and [http://www.konvertor.net/indexe.html Konvertor] (shareware) are able to edit EXIF and [[w:IPTC Information Interchange Model|IPTC]] fields such as captions, keywords, etc. Programs [http://www.xnview.com/ XnView] (free for non-commercial use), [http://picasa.google.com/ Picasa] (freeware) and [http://www.irfanview.com/ IrfanView], (free of charge for private use) are able to edit IPTC fields such as captions, keywords, etc. They can view, but not edit, most EXIF fields, like [http://www.microsoft.com/downloads/en/details.aspx?FamilyID=184075d2-40b5-4172-88ae-878f81896d4d Microsoft Pro Photo Tools]. [http://www.digitalconfidence.com/downloads.html BatchPurifier LITE] (freeware) can completely erase EXIF and other JPEG metadata to protect the user's privacy.
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'''Bold text'''=== ExifTool how-to ===
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=== ExifTool how-to ===
Using ExifTool, setting copyright and licensing information is simple:
Using ExifTool, setting copyright and licensing information is simple:
http://commons.wikimedia.org/w/index.php?title=Commons:EXIF&diff=92910678&oldid=92910661