Class: RDF::Vocab::EXIF

Inherits:
StrictVocabulary
  • Object
show all
Defined in:
lib/rdf/vocab/exif.rb

Overview

Vocabulary for <www.w3.org/2003/12/exif/ns#>

Exif data description vocabulary

Vocabulary to describe an Exif format picture data. All Exif 2.2 tags are defined as RDF properties, as well as several terms to help this schema.

Version:

  • Experimental version.

Instance Attribute Summary collapse

Instance Attribute Details

#_unknown ⇒ RDF::Vocabulary::Term (readonly)

An Exif tag whose meaning is not known

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 14

def _unknown
  @_unknown
end

#apertureValue ⇒ RDF::Vocabulary::Term (readonly)

The lens aperture. The unit is the APEX value.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 18

def apertureValue
  @apertureValue
end

#artist ⇒ RDF::Vocabulary::Term (readonly)

Person who created the image

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 22

def artist
  @artist
end

#bitsPerSample ⇒ RDF::Vocabulary::Term (readonly)

The number of bits per image component. In this standard each component of the image is 8 bits, so the value for this tag is 8. See also SamplesPerPixel. In JPEG compressed data a JPEG marker is used instead of this tag.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 26

def bitsPerSample
  @bitsPerSample
end

#brightnessValue ⇒ RDF::Vocabulary::Term (readonly)

The value of brightness. The unit is the APEX value. Ordinarily it is given in the range of -99.99 to 99.99. Note that if the numerator of the recorded value is FFFFFFFF.H, Unknown shall be indicated.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 30

def brightnessValue
  @brightnessValue
end

#cfaPattern ⇒ RDF::Vocabulary::Term (readonly)

The color filter array (CFA) geometric pattern of the image sensor when a one-chip color area sensor is used. It does not apply to all sensing methods.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 34

def cfaPattern
  @cfaPattern
end

#colorSpace ⇒ RDF::Vocabulary::Term (readonly)

The color space information tag (ColorSpace) is always recorded as the color space specifier. Normally sRGB (=1) is used to define the color space based on the PC monitor conditions and environment.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 38

def colorSpace
  @colorSpace
end

#componentsConfiguration ⇒ RDF::Vocabulary::Term (readonly)

Information specific to compressed data. The channels of each component are arranged in order from the 1st component to the 4th. For uncompressed data the data arrangement is given in the PhotometricInterpretation tag. However, since PhotometricInterpretation can only express the order of Y,Cb and Cr, this tag is provided for cases when compressed data uses components other than Y, Cb, and Cr and to enable support of other sequences.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 42

def componentsConfiguration
  @componentsConfiguration
end

#compressedBitsPerPixel ⇒ RDF::Vocabulary::Term (readonly)

Information specific to compressed data. The compression mode used for a compressed image is indicated in unit bits per pixel.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 46

def compressedBitsPerPixel
  @compressedBitsPerPixel
end

#compression ⇒ RDF::Vocabulary::Term (readonly)

The compression scheme used for the image data. When a primary image is JPEG compressed, this designation is not necessary and is omitted. When thumbnails use JPEG compression, this tag value is set to 6.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 50

def compression
  @compression
end

#contrast ⇒ RDF::Vocabulary::Term (readonly)

The direction of contrast processing applied by the camera when the image was shot.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 54

def contrast
  @contrast
end

#copyright ⇒ RDF::Vocabulary::Term (readonly)

Copyright information. In this standard the tag is used to indicate both the photographer and editor copyrights. It is the copyright notice of the person or organization claiming rights to the image.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 58

def copyright
  @copyright
end

#customRendered ⇒ RDF::Vocabulary::Term (readonly)

The use of special processing on image data, such as rendering geared to output. When special processing is performed, the reader is expected to disable or minimize any further processing.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 62

def customRendered
  @customRendered
end

#datatype ⇒ RDF::Vocabulary::Term (readonly)

The Exif field data type, such as ascii, byte, short etc.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 66

def datatype
  @datatype
end

#date ⇒ RDF::Vocabulary::Term (readonly)

a date information. Usually saved as YYYY:MM:DD (HH:MM:SS) format in Exif data, but represented here as W3C-DTF format

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 70

def date
  @date
end

#dateAndOrTime ⇒ RDF::Vocabulary::Term (readonly)

An attribute relating to Date and/or Time

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 74

def dateAndOrTime
  @dateAndOrTime
end

#dateTime ⇒ RDF::Vocabulary::Term (readonly)

The date and time of image creation. In this standard it is the date and time the file was changed.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 78

def dateTime
  @dateTime
end

#dateTimeDigitized ⇒ RDF::Vocabulary::Term (readonly)

The date and time when the image was stored as digital data. If, for example, an image was captured by DSC and at the same time the file was recorded, then the DateTimeOriginal and DateTimeDigitized will have the same contents.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 82

def dateTimeDigitized
  @dateTimeDigitized
end

#dateTimeOriginal ⇒ RDF::Vocabulary::Term (readonly)

The date and time when the original image data was generated. For a DSC the date and time the picture was taken are recorded.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 86

def dateTimeOriginal
  @dateTimeOriginal
end

#deviceSettingDescription ⇒ RDF::Vocabulary::Term (readonly)

Information on the picture-taking conditions of a particular camera model. The tag is used only to indicate the picture-taking conditions in the reader.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 90

def deviceSettingDescription
  @deviceSettingDescription
end

#digitalZoomRatio ⇒ RDF::Vocabulary::Term (readonly)

The digital zoom ratio when the image was shot. If the numerator of the recorded value is 0, this indicates that digital zoom was not used.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 94

def digitalZoomRatio
  @digitalZoomRatio
end

#exif_IFD_Pointer ⇒ RDF::Vocabulary::Term (readonly)

A pointer to the Exif IFD, which is a set of tags for recording Exif-specific attribute information.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 106

def exif_IFD_Pointer
  @exif_IFD_Pointer
end

#exifAttribute ⇒ RDF::Vocabulary::Term (readonly)

A property that connects an IFD to one of its entries. Super property which integrates all Exif tags.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 98

def exifAttribute
  @exifAttribute
end

#exifdata ⇒ RDF::Vocabulary::Term (readonly)

An Exif IFD data entry

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 110

def exifdata
  @exifdata
end

#exifVersion ⇒ RDF::Vocabulary::Term (readonly)

Exif Version

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 102

def exifVersion
  @exifVersion
end

#exposureBiasValue ⇒ RDF::Vocabulary::Term (readonly)

The exposure bias. The unit is the APEX value. Ordinarily it is given in the range of -99.99 to 99.99.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 114

def exposureBiasValue
  @exposureBiasValue
end

#exposureIndex ⇒ RDF::Vocabulary::Term (readonly)

The exposure index selected on the camera or input device at the time the image is captured.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 118

def exposureIndex
  @exposureIndex
end

#exposureMode ⇒ RDF::Vocabulary::Term (readonly)

the exposure mode set when the image was shot. In auto-bracketing mode, the camera shoots a series of frames of the same scene at different exposure settings.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 122

def exposureMode
  @exposureMode
end

#exposureProgram ⇒ RDF::Vocabulary::Term (readonly)

The class of the program used by the camera to set exposure when the picture is taken.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 126

def exposureProgram
  @exposureProgram
end

#exposureTime ⇒ RDF::Vocabulary::Term (readonly)

Exposure time, given in seconds (sec).

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 130

def exposureTime
  @exposureTime
end

#fileSource ⇒ RDF::Vocabulary::Term (readonly)

The image source. If a DSC recorded the image, this tag value of this tag always be set to 3, indicating that the image was recorded on a DSC.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 138

def fileSource
  @fileSource
end

#flash ⇒ RDF::Vocabulary::Term (readonly)

The status of flash when the image was shot.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 142

def flash
  @flash
end

#flashEnergy ⇒ RDF::Vocabulary::Term (readonly)

The strobe energy at the time the image is captured, as measured in Beam Candle Power Seconds (BCPS).

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 146

def flashEnergy
  @flashEnergy
end

#flashpixVersion ⇒ RDF::Vocabulary::Term (readonly)

The Flashpix format version supported by a FPXR file. If the FPXR function supports Flashpix format Ver. 1.0, this is indicated similarly to ExifVersion by recording “0100” as 4-byte ASCII.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 150

def flashpixVersion
  @flashpixVersion
end

#fNumber ⇒ RDF::Vocabulary::Term (readonly)

F number

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 134

def fNumber
  @fNumber
end

#focalLength ⇒ RDF::Vocabulary::Term (readonly)

The actual focal length of the lens, in mm. Conversion is not made to the focal length of a 35 mm film camera.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 154

def focalLength
  @focalLength
end

#focalLengthIn35mmFilm ⇒ RDF::Vocabulary::Term (readonly)

The equivalent focal length assuming a 35mm film camera, in mm. A value of 0 means the focal length is unknown. Note that this tag differs from the FocalLength tag.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 158

def focalLengthIn35mmFilm
  @focalLengthIn35mmFilm
end

#focalPlaneResolutionUnit ⇒ RDF::Vocabulary::Term (readonly)

The unit for measuring FocalPlaneXResolution and FocalPlaneYResolution. This value is the same as the ResolutionUnit.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 162

def focalPlaneResolutionUnit
  @focalPlaneResolutionUnit
end

#focalPlaneXResolution ⇒ RDF::Vocabulary::Term (readonly)

The number of pixels in the image width (X) direction per FocalPlaneResolutionUnit on the camera focal plane.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 166

def focalPlaneXResolution
  @focalPlaneXResolution
end

#focalPlaneYResolution ⇒ RDF::Vocabulary::Term (readonly)

The number of pixels in the image height (Y) direction per FocalPlaneResolutionUnit on the camera focal plane.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 170

def focalPlaneYResolution
  @focalPlaneYResolution
end

#gainControl ⇒ RDF::Vocabulary::Term (readonly)

The degree of overall image gain adjustment.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 174

def gainControl
  @gainControl
end

#geo ⇒ RDF::Vocabulary::Term (readonly)

Geometric data such as latitude, longitude and altitude. Usually saved as rational number.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 178

def geo
  @geo
end

#gpsAltitude ⇒ RDF::Vocabulary::Term (readonly)

The altitude based on the reference in GPSAltitudeRef. Altitude is expressed as one RATIONAL value. The reference unit is meters.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 182

def gpsAltitude
  @gpsAltitude
end

#gpsAltitudeRef ⇒ RDF::Vocabulary::Term (readonly)

Indicates the altitude used as the reference altitude. If the reference is sea level and the altitude is above sea level, 0 is given. If the altitude is below sea level, a value of 1 is given and the altitude is indicated as an absolute value in the GPSAltitude tag. The reference unit is meters.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 186

def gpsAltitudeRef
  @gpsAltitudeRef
end

#gpsAreaInformation ⇒ RDF::Vocabulary::Term (readonly)

A character string recording the name of the GPS area. The first byte indicates the character code used, and this is followed by the name of the GPS area.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 190

def gpsAreaInformation
  @gpsAreaInformation
end

#gpsDateStamp ⇒ RDF::Vocabulary::Term (readonly)

date and time information relative to UTC (Coordinated Universal Time). The record format is “YYYY:MM:DD” while converted to W3C-DTF to use in RDF

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 198

def gpsDateStamp
  @gpsDateStamp
end

#gpsDestBearing ⇒ RDF::Vocabulary::Term (readonly)

The bearing to the destination point. The range of values is from 0.00 to 359.99.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 202

def gpsDestBearing
  @gpsDestBearing
end

#gpsDestBearingRef ⇒ RDF::Vocabulary::Term (readonly)

Indicates the reference used for giving the bearing to the destination point. ‘T’ denotes true direction and ‘M’ is magnetic direction.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 206

def gpsDestBearingRef
  @gpsDestBearingRef
end

#gpsDestDistance ⇒ RDF::Vocabulary::Term (readonly)

The distance to the destination point.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 210

def gpsDestDistance
  @gpsDestDistance
end

#gpsDestDistanceRef ⇒ RDF::Vocabulary::Term (readonly)

Indicates the unit used to express the distance to the destination point. ‘K’, ‘M’ and ‘N’ represent kilometers, miles and knots.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 214

def gpsDestDistanceRef
  @gpsDestDistanceRef
end

#gpsDestLatitude ⇒ RDF::Vocabulary::Term (readonly)

Latitude of destination, expressed as three values giving the degrees, minutes, and seconds, respectively.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 218

def gpsDestLatitude
  @gpsDestLatitude
end

#gpsDestLatitudeRef ⇒ RDF::Vocabulary::Term (readonly)

Reference for latitude of destination

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 222

def gpsDestLatitudeRef
  @gpsDestLatitudeRef
end

#gpsDestLongitude ⇒ RDF::Vocabulary::Term (readonly)

Longitude of destination, expressed as three values giving the degrees, minutes, and seconds, respectively.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 226

def gpsDestLongitude
  @gpsDestLongitude
end

#gpsDestLongitudeRef ⇒ RDF::Vocabulary::Term (readonly)

Reference for longitude of destination

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 230

def gpsDestLongitudeRef
  @gpsDestLongitudeRef
end

#gpsDifferential ⇒ RDF::Vocabulary::Term (readonly)

Indicates whether differential correction is applied to the GPS receiver.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 234

def gpsDifferential
  @gpsDifferential
end

#gpsDOP ⇒ RDF::Vocabulary::Term (readonly)

The GPS DOP (data degree of precision). An HDOP value is written during two-dimensional measurement, and PDOP during three-dimensional measurement.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 194

def gpsDOP
  @gpsDOP
end

#gpsImgDirection ⇒ RDF::Vocabulary::Term (readonly)

The direction of the image when it was captured. The range of values is from 0.00 to 359.99.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 238

def gpsImgDirection
  @gpsImgDirection
end

#gpsImgDirectionRef ⇒ RDF::Vocabulary::Term (readonly)

The reference for giving the direction of the image when it is captured. ‘T’ denotes true direction and ‘M’ is magnetic direction.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 242

def gpsImgDirectionRef
  @gpsImgDirectionRef
end

#gpsInfo ⇒ RDF::Vocabulary::Term (readonly)

An attribute relating to GPS information

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 246

def gpsInfo
  @gpsInfo
end

#gpsInfo_IFD_Pointer ⇒ RDF::Vocabulary::Term (readonly)

A pointer to the GPS IFD, which is a set of tags for recording GPS information.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 250

def gpsInfo_IFD_Pointer
  @gpsInfo_IFD_Pointer
end

#gpsLatitude ⇒ RDF::Vocabulary::Term (readonly)

The latitude, expressed as three values giving the degrees, minutes, and seconds, respectively.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 254

def gpsLatitude
  @gpsLatitude
end

#gpsLatitudeRef ⇒ RDF::Vocabulary::Term (readonly)

Indicates whether the latitude is north or south latitude. The ASCII value ‘N’ indicates north latitude, and ‘S’ is south latitude.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 258

def gpsLatitudeRef
  @gpsLatitudeRef
end

#gpsLongitude ⇒ RDF::Vocabulary::Term (readonly)

The longitude, expressed as three values giving the degrees, minutes, and seconds, respectively.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 262

def gpsLongitude
  @gpsLongitude
end

#gpsLongitudeRef ⇒ RDF::Vocabulary::Term (readonly)

Indicates whether the longitude is east or west longitude. ASCII ‘E’ indicates east longitude, and ‘W’ is west longitude.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 266

def gpsLongitudeRef
  @gpsLongitudeRef
end

#gpsMapDatum ⇒ RDF::Vocabulary::Term (readonly)

The geodetic survey data used by the GPS receiver. If the survey data is restricted to Japan, the value of this tag is ‘TOKYO’ or ‘WGS-84’. If a GPS Info tag is recorded, it is strongly recommended that this tag be recorded.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 270

def gpsMapDatum
  @gpsMapDatum
end

#gpsMeasureMode ⇒ RDF::Vocabulary::Term (readonly)

The GPS measurement mode. ‘2’ means two-dimensional measurement and ‘3’ means three-dimensional measurement is in progress.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 274

def gpsMeasureMode
  @gpsMeasureMode
end

#gpsProcessingMethod ⇒ RDF::Vocabulary::Term (readonly)

A character string recording the name of the method used for location finding. The first byte indicates the character code used, and this is followed by the name of the method.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 278

def gpsProcessingMethod
  @gpsProcessingMethod
end

#gpsSatellites ⇒ RDF::Vocabulary::Term (readonly)

The GPS satellites used for measurements. This tag can be used to describe the number of satellites, their ID number, angle of elevation, azimuth, SNR and other information in ASCII notation. The format is not specified. If the GPS receiver is incapable of taking measurements, value of the tag shall be set to NULL.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 282

def gpsSatellites
  @gpsSatellites
end

#gpsSpeed ⇒ RDF::Vocabulary::Term (readonly)

The speed of GPS receiver movement.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 286

def gpsSpeed
  @gpsSpeed
end

#gpsSpeedRef ⇒ RDF::Vocabulary::Term (readonly)

The unit used to express the GPS receiver speed of movement. ‘K’ ‘M’ and ‘N’ represents kilometers per hour, miles per hour, and knots.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 290

def gpsSpeedRef
  @gpsSpeedRef
end

#gpsStatus ⇒ RDF::Vocabulary::Term (readonly)

The status of the GPS receiver when the image is recorded. ‘A’ means measurement is in progress, and ‘V’ means the measurement is Interoperability.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 294

def gpsStatus
  @gpsStatus
end

#gpsTimeStamp ⇒ RDF::Vocabulary::Term (readonly)

The time as UTC (Coordinated Universal Time). TimeStamp is expressed as three RATIONAL values giving the hour, minute, and second.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 298

def gpsTimeStamp
  @gpsTimeStamp
end

#gpsTrack ⇒ RDF::Vocabulary::Term (readonly)

The direction of GPS receiver movement. The range of values is from 0.00 to 359.99.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 302

def gpsTrack
  @gpsTrack
end

#gpsTrackRef ⇒ RDF::Vocabulary::Term (readonly)

The reference for giving the direction of GPS receiver movement. ‘T’ denotes true direction and ‘M’ is magnetic direction.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 306

def gpsTrackRef
  @gpsTrackRef
end

#gpsVersionID ⇒ RDF::Vocabulary::Term (readonly)

The version of GPSInfoIFD. The version is given as 2.2.0.0. This tag is mandatory when GPSInfo tag is present.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 310

def gpsVersionID
  @gpsVersionID
end

#height ⇒ RDF::Vocabulary::Term (readonly)

Height of an object

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 314

def height
  @height
end

#IFD ⇒ RDF::Vocabulary::Term (readonly)

An Image File Directory

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 10

def IFD
  @IFD
end

#ifdPointer ⇒ RDF::Vocabulary::Term (readonly)

A tag that refers a child IFD

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 318

def ifdPointer
  @ifdPointer
end

#imageConfig ⇒ RDF::Vocabulary::Term (readonly)

An attribute relating to Image Configuration

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 322

def imageConfig
  @imageConfig
end

#imageDataCharacter ⇒ RDF::Vocabulary::Term (readonly)

An attribute relating to image data characteristics

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 326

def imageDataCharacter
  @imageDataCharacter
end

#imageDataStruct ⇒ RDF::Vocabulary::Term (readonly)

An attribute relating to image data structure

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 330

def imageDataStruct
  @imageDataStruct
end

#imageDescription ⇒ RDF::Vocabulary::Term (readonly)

A character string giving the title of the image. It may be a comment such as “1988 company picnic” or the like. Two-byte character codes cannot be used. When a 2-byte code is necessary, the Exif Private tag UserComment is to be used.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 334

def imageDescription
  @imageDescription
end

#imageLength ⇒ RDF::Vocabulary::Term (readonly)

Image height. The number of rows of image data. In JPEG compressed data a JPEG marker is used.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 338

def imageLength
  @imageLength
end

#imageUniqueID ⇒ RDF::Vocabulary::Term (readonly)

An identifier assigned uniquely to each image. It is recorded as an ASCII string equivalent to hexadecimal notation and 128-bit fixed length.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 342

def imageUniqueID
  @imageUniqueID
end

#imageWidth ⇒ RDF::Vocabulary::Term (readonly)

Image width. The number of columns of image data, equal to the number of pixels per row. In JPEG compressed data a JPEG marker is used instead of this tag.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 346

def imageWidth
  @imageWidth
end

#interoperability_IFD_Pointer ⇒ RDF::Vocabulary::Term (readonly)

A pointer to the Interoperability IFD, which is composed of tags storing the information to ensure the Interoperability

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 362

def interoperability_IFD_Pointer
  @interoperability_IFD_Pointer
end

#interoperabilityIndex ⇒ RDF::Vocabulary::Term (readonly)

Indicates the identification of the Interoperability rule. ‘R98’ = conforming to R98 file specification of Recommended Exif Interoperability Rules (ExifR98) or to DCF basic file stipulated by Design Rule for Camera File System. ‘THM’ = conforming to DCF thumbnail file stipulated by Design rule for Camera File System.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 354

def interoperabilityIndex
  @interoperabilityIndex
end

#interoperabilityVersion ⇒ RDF::Vocabulary::Term (readonly)

Interoperability Version

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 358

def interoperabilityVersion
  @interoperabilityVersion
end

#interopInfo ⇒ RDF::Vocabulary::Term (readonly)

An attribute relating to Interoperability. Tags stored in Interoperability IFD may be defined dependently to each Interoperability rule.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 350

def interopInfo
  @interopInfo
end

#isoSpeedRatings ⇒ RDF::Vocabulary::Term (readonly)

Indicates the ISO Speed and ISO Latitude of the camera or input device as specified in ISO 12232.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 366

def isoSpeedRatings
  @isoSpeedRatings
end

#jpegInterchangeFormat ⇒ RDF::Vocabulary::Term (readonly)

The offset to the start byte (SOI) of JPEG compressed thumbnail data. This is not used for primary image JPEG data.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 370

def jpegInterchangeFormat
  @jpegInterchangeFormat
end

#jpegInterchangeFormatLength ⇒ RDF::Vocabulary::Term (readonly)

The number of bytes of JPEG compressed thumbnail data. This is not used for primary image JPEG data.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 374

def jpegInterchangeFormatLength
  @jpegInterchangeFormatLength
end

#length ⇒ RDF::Vocabulary::Term (readonly)

Length of an object. Could be a subProperty of other general schema.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 378

def length
  @length
end

#lightSource ⇒ RDF::Vocabulary::Term (readonly)

Light source such as Daylight, Tungsten, Flash etc.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 382

def lightSource
  @lightSource
end

#make ⇒ RDF::Vocabulary::Term (readonly)

Manufacturer of image input equipment

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 386

def make
  @make
end

#makerNote ⇒ RDF::Vocabulary::Term (readonly)

Manufacturer notes

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 390

def makerNote
  @makerNote
end

#maxApertureValue ⇒ RDF::Vocabulary::Term (readonly)

The smallest F number of the lens. The unit is the APEX value. Ordinarily it is given in the range of 00.00 to 99.99, but it is not limited to this range.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 394

def maxApertureValue
  @maxApertureValue
end

#meter ⇒ RDF::Vocabulary::Term (readonly)

A length with unit of meter

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 398

def meter
  @meter
end

#meteringMode ⇒ RDF::Vocabulary::Term (readonly)

Metering mode, such as CenterWeightedAverage, Spot, MultiSpot,Pattern, Partial etc.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 402

def meteringMode
  @meteringMode
end

#mm ⇒ RDF::Vocabulary::Term (readonly)

A length with unit of mm

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 406

def mm
  @mm
end

#model ⇒ RDF::Vocabulary::Term (readonly)

Model of image input equipment

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 410

def model
  @model
end

#oecf ⇒ RDF::Vocabulary::Term (readonly)

Indicates the Opto-Electric Conversion Function (OECF) specified in ISO 14524. OECF is the relationship between the camera optical input and the image values.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 414

def oecf
  @oecf
end

#orientation ⇒ RDF::Vocabulary::Term (readonly)

The image orientation viewed in terms of rows and columns.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 418

def orientation
  @orientation
end

#photometricInterpretation ⇒ RDF::Vocabulary::Term (readonly)

Pixel composition. In JPEG compressed data a JPEG marker is used instead of this tag.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 422

def photometricInterpretation
  @photometricInterpretation
end

#pictTaking ⇒ RDF::Vocabulary::Term (readonly)

An attribute relating to Picture-Taking Conditions

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 426

def pictTaking
  @pictTaking
end

#pimBrightness ⇒ RDF::Vocabulary::Term (readonly)

Brightness info for print image matching

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 430

def pimBrightness
  @pimBrightness
end

#pimColorBalance ⇒ RDF::Vocabulary::Term (readonly)

ColorBalance info for print image matching

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 434

def pimColorBalance
  @pimColorBalance
end

#pimContrast ⇒ RDF::Vocabulary::Term (readonly)

Contrast info for print image matching

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 438

def pimContrast
  @pimContrast
end

#pimInfo ⇒ RDF::Vocabulary::Term (readonly)

An attribute relating to print image matching

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 442

def pimInfo
  @pimInfo
end

#pimSaturation ⇒ RDF::Vocabulary::Term (readonly)

Saturation info for print image matching

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 446

def pimSaturation
  @pimSaturation
end

#pimSharpness ⇒ RDF::Vocabulary::Term (readonly)

Sharpness info for print image matching

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 450

def pimSharpness
  @pimSharpness
end

#pixelXDimension ⇒ RDF::Vocabulary::Term (readonly)

Information specific to compressed data. When a compressed file is recorded, the valid width of the meaningful image shall be recorded in this tag, whether or not there is padding data or a restart marker. This tag should not exist in an uncompressed file.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 454

def pixelXDimension
  @pixelXDimension
end

#pixelYDimension ⇒ RDF::Vocabulary::Term (readonly)

Information specific to compressed data. When a compressed file is recorded, the valid height of the meaningful image shall be recorded in this tag, whether or not there is padding data or a restart marker. This tag should not exist in an uncompressed file. Since data padding is unnecessary in the vertical direction, the number of lines recorded in this valid image height tag will in fact be the same as that recorded in the SOF.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 458

def pixelYDimension
  @pixelYDimension
end

#planarConfiguration ⇒ RDF::Vocabulary::Term (readonly)

Indicates whether pixel components are recorded in chunky or planar format. In JPEG compressed files a JPEG marker is used instead of this tag. If this field does not exist, the TIFF default of 1 (chunky) is assumed.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 462

def planarConfiguration
  @planarConfiguration
end

#primaryChromaticities ⇒ RDF::Vocabulary::Term (readonly)

The chromaticity of the three primary colors of the image. Normally this tag is not necessary, since color space is specified in the color space information tag (ColorSpace).

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 466

def primaryChromaticities
  @primaryChromaticities
end

#printImageMatching_IFD_Pointer ⇒ RDF::Vocabulary::Term (readonly)

A pointer to the print image matching IFD

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 470

def printImageMatching_IFD_Pointer
  @printImageMatching_IFD_Pointer
end

#recOffset ⇒ RDF::Vocabulary::Term (readonly)

An attribute relating to recording offset

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 474

def recOffset
  @recOffset
end

#referenceBlackWhite ⇒ RDF::Vocabulary::Term (readonly)

The reference black point value and reference white point value. The color space is declared in a color space information tag, with the default being the value that gives the optimal image characteristics Interoperability these conditions.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 478

def referenceBlackWhite
  @referenceBlackWhite
end

#relatedFile ⇒ RDF::Vocabulary::Term (readonly)

Tag Relating to Related File Information

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 482

def relatedFile
  @relatedFile
end

#relatedImageFileFormat ⇒ RDF::Vocabulary::Term (readonly)

Related image file format

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 486

def relatedImageFileFormat
  @relatedImageFileFormat
end

#relatedImageLength ⇒ RDF::Vocabulary::Term (readonly)

Related image length

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 490

def relatedImageLength
  @relatedImageLength
end

#relatedImageWidth ⇒ RDF::Vocabulary::Term (readonly)

Related image width

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 494

def relatedImageWidth
  @relatedImageWidth
end

#relatedSoundFile ⇒ RDF::Vocabulary::Term (readonly)

Related audio file

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 498

def relatedSoundFile
  @relatedSoundFile
end

#resolution ⇒ RDF::Vocabulary::Term (readonly)

a rational number representing a resolution. Could be a subProperty of other general schema.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 502

def resolution
  @resolution
end

#resolutionUnit ⇒ RDF::Vocabulary::Term (readonly)

The unit for measuring XResolution and YResolution. The same unit is used for both XResolution and YResolution. If the image resolution in unknown, 2 (inches) is designated.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 506

def resolutionUnit
  @resolutionUnit
end

#rowsPerStrip ⇒ RDF::Vocabulary::Term (readonly)

The number of rows per strip. This is the number of rows in the image of one strip when an image is divided into strips. With JPEG compressed data this designation is not needed and is omitted.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 510

def rowsPerStrip
  @rowsPerStrip
end

#samplesPerPixel ⇒ RDF::Vocabulary::Term (readonly)

The number of components per pixel. Since this standard applies to RGB and YCbCr images, the value set for this tag is 3. In JPEG compressed data a JPEG marker is used instead of this tag.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 514

def samplesPerPixel
  @samplesPerPixel
end

#saturation ⇒ RDF::Vocabulary::Term (readonly)

The direction of saturation processing applied by the camera when the image was shot.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 518

def saturation
  @saturation
end

#sceneCaptureType ⇒ RDF::Vocabulary::Term (readonly)

The type of scene that was shot. It can also be used to record the mode in which the image was shot, such as Landscape, Portrait etc. Note that this differs from the scene type (SceneType) tag.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 522

def sceneCaptureType
  @sceneCaptureType
end

#sceneType ⇒ RDF::Vocabulary::Term (readonly)

The type of scene. If a DSC recorded the image, this tag value shall always be set to 1, indicating that the image was directly photographed.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 526

def sceneType
  @sceneType
end

#seconds ⇒ RDF::Vocabulary::Term (readonly)

a mesurement of time length with unit of second

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 530

def seconds
  @seconds
end

#sensingMethod ⇒ RDF::Vocabulary::Term (readonly)

The image sensor type on the camera or input device, such as One-chip color area sensor etc.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 534

def sensingMethod
  @sensingMethod
end

#sharpness ⇒ RDF::Vocabulary::Term (readonly)

The direction of sharpness processing applied by the camera when the image was shot.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 538

def sharpness
  @sharpness
end

#shutterSpeedValue ⇒ RDF::Vocabulary::Term (readonly)

Shutter speed. The unit is the APEX (Additive System of Photographic Exposure) setting

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 542

def shutterSpeedValue
  @shutterSpeedValue
end

#software ⇒ RDF::Vocabulary::Term (readonly)

The name and version of the software or firmware of the camera or image input device used to generate the image.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 546

def software
  @software
end

#spatialFrequencyResponse ⇒ RDF::Vocabulary::Term (readonly)

This tag records the camera or input device spatial frequency table and SFR values in the direction of image width, image height, and diagonal direction, as specified in ISO 12233.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 550

def spatialFrequencyResponse
  @spatialFrequencyResponse
end

#spectralSensitivity ⇒ RDF::Vocabulary::Term (readonly)

Indicates the spectral sensitivity of each channel of the camera used. The tag value is an ASCII string compatible with the standard developed by the ASTM Technical committee.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 554

def spectralSensitivity
  @spectralSensitivity
end

#stripByteCounts ⇒ RDF::Vocabulary::Term (readonly)

The total number of bytes in each strip. With JPEG compressed data this designation is not needed and is omitted.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 558

def stripByteCounts
  @stripByteCounts
end

#stripOffsets ⇒ RDF::Vocabulary::Term (readonly)

For each strip, the byte offset of that strip. With JPEG compressed data this designation is not needed and is omitted.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 562

def stripOffsets
  @stripOffsets
end

#subjectArea ⇒ RDF::Vocabulary::Term (readonly)

The location and area of the main subject in the overall scene.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 578

def subjectArea
  @subjectArea
end

#subjectDistance ⇒ RDF::Vocabulary::Term (readonly)

The distance to the subject, given in meters. Note that if the numerator of the recorded value is FFFFFFFF.H, Infinity shall be indicated; and if the numerator is 0, Distance unknown shall be indicated.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 582

def subjectDistance
  @subjectDistance
end

#subjectDistanceRange ⇒ RDF::Vocabulary::Term (readonly)

The distance to the subject, such as Macro, Close View or Distant View.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 586

def subjectDistanceRange
  @subjectDistanceRange
end

#subjectLocation ⇒ RDF::Vocabulary::Term (readonly)

The location of the main subject in the scene. The value of this tag represents the pixel at the center of the main subject relative to the left edge, prior to rotation processing as per the Rotation tag. The first value indicates the X column number and second indicates the Y row number.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 590

def subjectLocation
  @subjectLocation
end

#subseconds ⇒ RDF::Vocabulary::Term (readonly)

A tag used to record fractions of seconds for a date property

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 594

def subseconds
  @subseconds
end

#subSecTime ⇒ RDF::Vocabulary::Term (readonly)

DateTime subseconds

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 566

def subSecTime
  @subSecTime
end

#subSecTimeDigitized ⇒ RDF::Vocabulary::Term (readonly)

DateTimeDigitized subseconds

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 570

def subSecTimeDigitized
  @subSecTimeDigitized
end

#subSecTimeOriginal ⇒ RDF::Vocabulary::Term (readonly)

DateTimeOriginal subseconds

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 574

def subSecTimeOriginal
  @subSecTimeOriginal
end

#tag_number ⇒ RDF::Vocabulary::Term (readonly)

The Exif tag number

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 598

def tag_number
  @tag_number
end

#tagid ⇒ RDF::Vocabulary::Term (readonly)

The Exif tag number with context prefix, such as IFD type or maker name

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 602

def tagid
  @tagid
end

#transferFunction ⇒ RDF::Vocabulary::Term (readonly)

A transfer function for the image, described in tabular style. Normally this tag is not necessary, since color space is specified in the color space information tag (ColorSpace).

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 606

def transferFunction
  @transferFunction
end

#userComment ⇒ RDF::Vocabulary::Term (readonly)

A tag for Exif users to write keywords or comments on the image besides those in ImageDescription, and without the character code limitations of the ImageDescription tag. The character code used in the UserComment tag is identified based on an ID code in a fixed 8-byte area at the start of the tag data area.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 610

def userComment
  @userComment
end

#userInfo ⇒ RDF::Vocabulary::Term (readonly)

An attribute relating to User Information

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 614

def userInfo
  @userInfo
end

#versionInfo ⇒ RDF::Vocabulary::Term (readonly)

An attribute relating to Version

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 618

def versionInfo
  @versionInfo
end

#whiteBalance ⇒ RDF::Vocabulary::Term (readonly)

The white balance mode set when the image was shot.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 622

def whiteBalance
  @whiteBalance
end

#whitePoint ⇒ RDF::Vocabulary::Term (readonly)

The chromaticity of the white point of the image. Normally this tag is not necessary, since color space is specified in the color space information tag (ColorSpace).

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 626

def whitePoint
  @whitePoint
end

#width ⇒ RDF::Vocabulary::Term (readonly)

Width of an object

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 630

def width
  @width
end

#xResolution ⇒ RDF::Vocabulary::Term (readonly)

The number of pixels per ResolutionUnit in the ImageWidth direction. When the image resolution is unknown, 72 [dpi] is designated.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 634

def xResolution
  @xResolution
end

#yCbCrCoefficients ⇒ RDF::Vocabulary::Term (readonly)

The matrix coefficients for transformation from RGB to YCbCr image data.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 638

def yCbCrCoefficients
  @yCbCrCoefficients
end

#yCbCrPositioning ⇒ RDF::Vocabulary::Term (readonly)

The position of chrominance components in relation to the luminance component. This field is designated only for JPEG compressed data or uncompressed YCbCr data.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 642

def yCbCrPositioning
  @yCbCrPositioning
end

#yCbCrSubSampling ⇒ RDF::Vocabulary::Term (readonly)

The sampling ratio of chrominance components in relation to the luminance component. In JPEG compressed data a JPEG marker is used instead of this tag.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 646

def yCbCrSubSampling
  @yCbCrSubSampling
end

#yResolution ⇒ RDF::Vocabulary::Term (readonly)

The number of pixels per ResolutionUnit in the ImageLength direction. The same value as XResolution is designated.

Returns:

  • (RDF::Vocabulary::Term) 


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# File 'lib/rdf/vocab/exif.rb', line 650

def yResolution
  @yResolution
end