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<title>Composite Tags</title>
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<h2 class=top>Composite Tags</h2>
<p>
The values of the composite tags are <b>Derived From</b> the values of other
tags. These are convenience tags which are calculated after all other
information is extracted.
</p>
<blockquote>
<table class=frame><tr><td>
<table class=inner cellspacing=1>
<tr class=h><th>Tag Name</th>
<th>Writable</th><th>Derived From</th><th>Values / <span class=n>Notes</span></th></tr>
<tr>
<td>Aperture</td>
<td class=c>N</td>
<td class=n>FNumber
<br>ApertureValue</td>
<td> </td></tr>
<tr class=b>
<td>AutoFocus</td>
<td class=c>N</td>
<td class=n>Nikon:PhaseDetectAF
<br>Nikon:ContrastDetectAF</td>
<td><span class=s>0 = Off
<br>1 = On</span></td></tr>
<tr>
<td>BlueBalance</td>
<td class=c>N</td>
<td class=n>WB_RGGBLevels
<br>WB_RGBGLevels
<br>WB_RBGGLevels
<br>WB_GRBGLevels
<br>WB_GRGBLevels
<br>WB_GBRGLevels
<br>WB_RGBLevels
<br>WB_RBLevels
<br>WBBlueLevel
<br>WBGreenLevel</td>
<td> </td></tr>
<tr class=b>
<td>CFAPattern</td>
<td class=c>N</td>
<td class=n>CFARepeatPatternDim
<br>CFAPattern2</td>
<td> </td></tr>
<tr>
<td>CircleOfConfusion</td>
<td class=c>N</td>
<td class=n>ScaleFactor35efl</td>
<td><span class=s><span class=n>(this value may be incorrect if the image has been resized. Calculated as
D/1440, where D is the focal plane diagonal in mm)</span></span></td></tr>
<tr class=b>
<td>ConditionalFEC</td>
<td class=c>N</td>
<td class=n>FlashExposureComp
<br>FlashBits</td>
<td> </td></tr>
<tr>
<td>DOF</td>
<td class=c>N</td>
<td class=n>FocalLength
<br>Aperture
<br>CircleOfConfusion
<br>FocusDistance
<br>SubjectDistance
<br>ObjectDistance</td>
<td><span class=s><span class=n>(this value may be incorrect if the image has been resized)</span></span></td></tr>
<tr class=b>
<td>DateCreated</td>
<td class=c>N</td>
<td class=n>Kodak:YearCreated
<br>Kodak:MonthDayCreated</td>
<td> </td></tr>
<tr>
<td>DateTimeCreated</td>
<td class=c>N</td>
<td class=n>IPTC:DateCreated
<br>IPTC:TimeCreated</td>
<td> </td></tr>
<tr class=b>
<td>DateTimeOriginal</td>
<td class=c>N</td>
<td class=n>DateTimeCreated
<br>DateCreated
<br>TimeCreated</td>
<td> </td></tr>
<tr>
<td>DateTimeOriginal</td>
<td class=c>N</td>
<td class=n>ID3:RecordingTime
<br>ID3:Year
<br>ID3:Date
<br>ID3:Time</td>
<td> </td></tr>
<tr class=b>
<td>DigitalCreationDateTime</td>
<td class=c>N</td>
<td class=n>IPTC:DigitalCreationDate
<br>IPTC:DigitalCreationTime</td>
<td> </td></tr>
<tr>
<td>DigitalZoom</td>
<td class=c>N</td>
<td class=n>Canon:ZoomSourceWidth
<br>Canon:ZoomTargetWidth
<br>Canon:DigitalZoom</td>
<td> </td></tr>
<tr class=b>
<td>DriveMode</td>
<td class=c>N</td>
<td class=n>ContinuousDrive
<br>SelfTimer</td>
<td><span class=s>0 = Continuous shooting
<br>1 = Self-timer Operation
<br>2 = Single-frame shooting</span></td></tr>
<tr>
<td>Duration</td>
<td class=c>N</td>
<td class=n>FLAC:SampleRate
<br>FLAC:TotalSamples</td>
<td> </td></tr>
<tr class=b>
<td>Duration</td>
<td class=c>N</td>
<td class=n>FileSize
<br>ID3Size
<br>MPEG:AudioBitrate
<br>MPEG:VideoBitrate
<br>MPEG:VBRFrames
<br>MPEG:SampleRate
<br>MPEG:MPEGAudioVersion</td>
<td> </td></tr>
<tr>
<td>Duration</td>
<td class=c>N</td>
<td class=n>FrameRate
<br>FrameCount
<br>VideoFrameRate
<br>VideoFrameCount</td>
<td> </td></tr>
<tr class=b>
<td>Duration</td>
<td class=c>N</td>
<td class=n>AvgBytesPerSec
<br>FileSize
<br>FrameCount</td>
<td> </td></tr>
<tr>
<td>ExtenderStatus</td>
<td class=c>N</td>
<td class=n>Olympus:Extender
<br>Olympus:LensType
<br>MaxApertureValue</td>
<td><span class=s><span class=n>(Olympus cameras have the quirk that they may retain the extender settings
after the extender is removed until the camera is powered off. This tag is
an attempt to represent the actual status of the extender.)</span>
<br>0 = Not attached
<br>1 = Attached
<br>2 = Removed</span></td></tr>
<tr class=b>
<td>FOV</td>
<td class=c>N</td>
<td class=n>FocalLength
<br>ScaleFactor35efl
<br>FocusDistance</td>
<td><span class=s><span class=n>(calculated for the long image dimension, this value may be incorrect for
fisheye lenses, or if the image has been resized)</span></span></td></tr>
<tr>
<td>FileNumber</td>
<td class=c>Y</td>
<td class=n>DirectoryIndex
<br>FileIndex</td>
<td> </td></tr>
<tr class=b>
<td>FlashType</td>
<td class=c>N</td>
<td class=n>FlashBits</td>
<td><span class=s><span class=n>(may report "Built-in Flash" for some Canon cameras with external flash in
manual mode)</span>
<br>0 = Built-In Flash
<br>1 = External</span></td></tr>
<tr>
<td>FocalLength35efl</td>
<td class=c>N</td>
<td class=n>FocalLength
<br>ScaleFactor35efl</td>
<td><span class=s><span class=n>(this value may be incorrect if the image has been resized)</span></span></td></tr>
<tr class=b>
<td>GPSAltitude</td>
<td class=c>N</td>
<td class=n>GPS:GPSAltitude
<br>GPS:GPSAltitudeRef</td>
<td> </td></tr>
<tr>
<td>GPSDateTime</td>
<td class=c>N</td>
<td class=n>GPS:GPSDateStamp
<br>GPS:GPSTimeStamp</td>
<td> </td></tr>
<tr class=b>
<td>GPSLatitude</td>
<td class=c>N</td>
<td class=n>GPS:GPSLatitude
<br>GPS:GPSLatitudeRef</td>
<td> </td></tr>
<tr>
<td>GPSLatitudeRef</td>
<td class=c>N</td>
<td class=n>XMP:GPSLatitude</td>
<td><span class=s>'N' = North
<br>'S' = South</span></td></tr>
<tr class=b>
<td>GPSLongitude</td>
<td class=c>N</td>
<td class=n>GPS:GPSLongitude
<br>GPS:GPSLongitudeRef</td>
<td> </td></tr>
<tr>
<td>GPSLongitudeRef</td>
<td class=c>N</td>
<td class=n>XMP:GPSLongitude</td>
<td><span class=s>'E' = East
<br>'W' = West</span></td></tr>
<tr class=b>
<td>GPSPosition</td>
<td class=c>N</td>
<td class=n>GPSLatitude
<br>GPSLongitude</td>
<td> </td></tr>
<tr>
<td>HyperfocalDistance</td>
<td class=c>N</td>
<td class=n>FocalLength
<br>Aperture
<br>CircleOfConfusion</td>
<td><span class=s><span class=n>(this value may be incorrect if the image has been resized)</span></span></td></tr>
<tr class=b>
<td>ISO</td>
<td class=c>N</td>
<td class=n>Canon:CameraISO
<br>Canon:BaseISO
<br>Canon:AutoISO</td>
<td><span class=s><span class=n>(use CameraISO if numerical, otherwise calculate as BaseISO * AutoISO / 100)</span></span></td></tr>
<tr>
<td>ImageHeight</td>
<td class=c>N</td>
<td class=n>Main:PostScript:ImageData
<br>PostScript:BoundingBox</td>
<td> </td></tr>
<tr class=b>
<td>ImageSize</td>
<td class=c>N</td>
<td class=n>ImageWidth
<br>ImageHeight
<br>ExifImageWidth
<br>ExifImageHeight</td>
<td> </td></tr>
<tr>
<td>ImageWidth</td>
<td class=c>N</td>
<td class=n>Main:PostScript:ImageData
<br>PostScript:BoundingBox</td>
<td> </td></tr>
<tr class=b>
<td>JpgFromRaw</td>
<td class=c>Y</td>
<td class=n>JpgFromRawStart
<br>JpgFromRawLength</td>
<td> </td></tr>
<tr>
<td>Lens</td>
<td class=c>N</td>
<td class=n>ShortFocal
<br>LongFocal</td>
<td> </td></tr>
<tr class=b>
<td>Lens35efl</td>
<td class=c>N</td>
<td class=n>ShortFocal
<br>LongFocal
<br>Lens
<br>ScaleFactor35efl</td>
<td> </td></tr>
<tr>
<td>LensID</td>
<td class=c>N</td>
<td class=n>LensType
<br>FocalLength
<br>MaxAperture
<br>MaxApertureValue
<br>ShortFocal
<br>LongFocal
<br>LensModel
<br>LensFocalRange</td>
<td><span class=s><span class=n>(attempt to identify the actual lens from all lenses with a given LensType.
Applies only to LensType values with a lookup table. May be configured
by adding user-defined lenses)</span></span></td></tr>
<tr class=b>
<td>LensID</td>
<td class=c>N</td>
<td class=n>Nikon:LensIDNumber
<br>LensFStops
<br>MinFocalLength
<br>MaxFocalLength
<br>MaxApertureAtMinFocal
<br>MaxApertureAtMaxFocal
<br>MCUVersion
<br>Nikon:LensType</td>
<td>--> <a href='Nikon.html#LensID'>Nikon LensID Values</a></td></tr>
<tr>
<td>LensID</td>
<td class=c>N</td>
<td class=n>Ricoh:LensFirmware</td>
<td>--> <a href='Ricoh.html#LensID'>Ricoh LensID Values</a></td></tr>
<tr class=b>
<td>LensSpec</td>
<td class=c>N</td>
<td class=n>Nikon:Lens
<br>Nikon:LensType</td>
<td> </td></tr>
<tr>
<td>LightValue</td>
<td class=c>N</td>
<td class=n>Aperture
<br>ShutterSpeed
<br>ISO</td>
<td><span class=s><span class=n>(calculated LV -- similar to exposure value but includes ISO speed)</span></span></td></tr>
<tr class=b>
<td>MPImage</td>
<td class=c>N</td>
<td class=n>MPImageStart
<br>MPImageLength
<br>MPImageType</td>
<td><span class=s><span class=n>(the first MPF "Large Thumbnail" is extracted as PreviewImage, and the rest
of the embedded MPF images are extracted as MPImage#. The ExtractEmbedded
option may be used to extract information from these embedded images.)</span></span></td></tr>
<tr>
<td>OriginalDecisionData</td>
<td class=c>Y!</td>
<td class=n>OriginalDecisionDataOffset</td>
<td> </td></tr>
<tr class=b>
<td>OtherImage</td>
<td class=c>N</td>
<td class=n>OtherImageStart
<br>OtherImageLength</td>
<td> </td></tr>
<tr>
<td>PreviewImage</td>
<td class=c>Y</td>
<td class=n>PreviewImageStart
<br>PreviewImageLength
<br>PreviewImageValid
<br>PreviewImageStart (1)
<br>PreviewImageLength (1)</td>
<td> </td></tr>
<tr class=b>
<td>PreviewImageSize</td>
<td class=c>N</td>
<td class=n>PreviewImageWidth
<br>PreviewImageHeight</td>
<td> </td></tr>
<tr>
<td>PreviewImage</td>
<td class=c>N</td>
<td class=n>ScreenNail</td>
<td> </td></tr>
<tr class=b>
<td>RedBalance</td>
<td class=c>N</td>
<td class=n>WB_RGGBLevels
<br>WB_RGBGLevels
<br>WB_RBGGLevels
<br>WB_GRBGLevels
<br>WB_GRGBLevels
<br>WB_GBRGLevels
<br>WB_RGBLevels
<br>WB_RBLevels
<br>WBRedLevel
<br>WBGreenLevel</td>
<td> </td></tr>
<tr>
<td>RedEyeReduction</td>
<td class=c>N</td>
<td class=n>CanonFlashMode
<br>FlashBits</td>
<td><span class=s>0 = Off
<br>1 = On</span></td></tr>
<tr class=b>
<td>Rotation</td>
<td class=c>N</td>
<td class=n>QuickTime:MatrixStructure
<br>QuickTime:HandlerType</td>
<td> </td></tr>
<tr>
<td>ScaleFactor35efl</td>
<td class=c>N</td>
<td class=n>FocalLength
<br>FocalLengthIn35mmFormat
<br>Composite:DigitalZoom
<br>FocalPlaneDiagonal
<br>FocalPlaneXSize
<br>FocalPlaneYSize
<br>FocalPlaneResolutionUnit
<br>FocalPlaneXResolution
<br>FocalPlaneYResolution
<br>ExifImageWidth
<br>ExifImageHeight
<br>CanonImageWidth
<br>CanonImageHeight
<br>ImageWidth
<br>ImageHeight</td>
<td><span class=s><span class=n>(this value and any derived values may be incorrect if image has been resized)</span></span></td></tr>
<tr class=b>
<td>ShootingMode</td>
<td class=c>N</td>
<td class=n>CanonExposureMode
<br>EasyMode
<br>BulbDuration</td>
<td> </td></tr>
<tr>
<td>ShutterCurtainHack</td>
<td class=c>N</td>
<td class=n>FlashBits
<br>ShutterCurtainSync</td>
<td><span class=s>0 = 1st-curtain sync
<br>1 = 2nd-curtain sync</span></td></tr>
<tr class=b>
<td>ShutterSpeed</td>
<td class=c>N</td>
<td class=n>ExposureTime
<br>ShutterSpeedValue
<br>BulbDuration</td>
<td> </td></tr>
<tr>
<td>SubSecCreateDate</td>
<td class=c>N</td>
<td class=n>EXIF:CreateDate
<br>SubSecTimeDigitized</td>
<td> </td></tr>
<tr class=b>
<td>SubSecDateTimeOriginal</td>
<td class=c>N</td>
<td class=n>EXIF:DateTimeOriginal
<br>SubSecTimeOriginal</td>
<td> </td></tr>
<tr>
<td>SubSecModifyDate</td>
<td class=c>N</td>
<td class=n>EXIF:ModifyDate
<br>SubSecTime</td>
<td> </td></tr>
<tr class=b>
<td>ThumbnailImage</td>
<td class=c>Y</td>
<td class=n>ThumbnailOffset
<br>ThumbnailLength</td>
<td> </td></tr>
<tr>
<td>WB_RGBLevels</td>
<td class=c>N</td>
<td class=n>KDC_IFD:WhiteBalance
<br>WB_RGBLevelsAuto
<br>WB_RGBLevelsFluorescent
<br>WB_RGBLevelsTungsten
<br>WB_RGBLevelsDaylight
<br>WB_RGBLevels4
<br>WB_RGBLevels5
<br>WB_RGBLevelsShade</td>
<td> </td></tr>
<tr class=b>
<td>WB_RGBLevels</td>
<td class=c>N</td>
<td class=n>KodakIFD:WhiteBalance
<br>WB_RGBMul0
<br>WB_RGBMul1
<br>WB_RGBMul2
<br>WB_RGBMul3
<br>WB_RGBCoeffs0
<br>WB_RGBCoeffs1
<br>WB_RGBCoeffs2
<br>WB_RGBCoeffs3
<br>KodakIFD:ColorTemperature
<br>Kodak:WB_RGBLevels</td>
<td> </td></tr>
<tr>
<td>WB_RGGBLevels</td>
<td class=c>N</td>
<td class=n>Canon:WhiteBalance
<br>WB_RGGBLevelsAsShot
<br>WB_RGGBLevelsAuto
<br>WB_RGGBLevelsDaylight
<br>WB_RGGBLevelsCloudy
<br>WB_RGGBLevelsTungsten
<br>WB_RGGBLevelsFluorescent
<br>WB_RGGBLevelsFlash
<br>WB_RGGBLevelsCustom
<br>WB_RGGBLevelsShade
<br>WB_RGGBLevelsKelvin</td>
<td> </td></tr>
</table></td></tr></table></blockquote>
<hr>
(This document generated automatically by Image::ExifTool::BuildTagLookup)
<br><i>Last revised Nov 19, 2009</i>
<p class=lf><a href='index.html'><-- ExifTool Tag Names</a></p>
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