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README.rdoc

EXIF Reader

EXIF Reader is a module to read metadata from JPEG and TIFF images.

Examples

EXIFR::JPEG.new('IMG_6841.JPG').width               # => 2272
EXIFR::JPEG.new('IMG_6841.JPG').height              # => 1704
EXIFR::JPEG.new('IMG_6841.JPG').exif?               # => true
EXIFR::JPEG.new('IMG_6841.JPG').model               # => "Canon PowerShot G3"
EXIFR::JPEG.new('IMG_6841.JPG').date_time           # => Fri Feb 09 16:48:54 +0100 2007
EXIFR::JPEG.new('IMG_6841.JPG').exposure_time.to_s  # => "1/15"
EXIFR::JPEG.new('IMG_6841.JPG').f_number.to_f       # => 2.0

EXIFR::TIFF.new('DSC_0218.TIF').width               # => 3008
EXIFR::TIFF.new('DSC_0218.TIF')[1].width            # => 160
EXIFR::TIFF.new('DSC_0218.TIF').model               # => "NIKON D1X"
EXIFR::TIFF.new('DSC_0218.TIF').date_time           # => Tue May 23 19:15:32 +0200 2006
EXIFR::TIFF.new('DSC_0218.TIF').exposure_time.to_s  # => "1/100"
EXIFR::TIFF.new('DSC_0218.TIF').f_number.to_f       # => 5.0

EXIFR::JPEG.new('enkhuizen.jpg').gps.latitude       # => 52.7197888888889
EXIFR::JPEG.new('enkhuizen.jpg').gps.longitude      # => 5.28397777777778

XMP data access

If you need to access XMP data you can use the xmp gem. More info and examples at github.com/amberbit/xmp

Author

R.W. van 't Veer

Copyright

Copyright © 2006, 2007, 2008, 2009, 2010, 2011 - R.W. van 't Veer

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