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LEADTOOLS (Leadtools assembly)
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RasterCommentMetadataType Enumeration








Leadtools Namespace : RasterCommentMetadataType Enumeration
List of available metadata comments.
Syntax
public enum RasterCommentMetadataType : System.Enum, System.IComparable, System.IConvertible, System.IFormattable  
'Declaration
 

Public Enum RasterCommentMetadataType 
   Inherits System.Enum
   Implements System.IComparable, System.IConvertible, System.IFormattable 
'Usage
 

Dim instance As RasterCommentMetadataType
public enum RasterCommentMetadataType : System.IComparable, System.IConvertible, System.IFormattable  
typedef NS_ENUM(NSInteger, LTRasterCommentMetadataType)
public enum RasterCommentMetadataType
Leadtools.RasterCommentMetadataType = function() { };
Leadtools.RasterCommentMetadataType.prototype = {<br/>
  Artist = 0,
	Copyright = 1,
	DateTime = 2,
	Description = 3,
	HostComputer = 4,
	Make = 5,
	Model = 6,
	NameOfDocument = 7,
	NameOfPage = 8,
	Software = 9,
	PatientName = 10,
	PatientId = 11,
	PatientBirthdate = 12,
	PatientSex = 13,
	StudyInstance = 14,
	StudyDate = 15,
	StudyTime = 16,
	StudyReferringPhysician = 17,
	SeriesModality = 18,
	SeriesId = 19,
	SeriesNumber = 20,
	ExifVersion = 21,
	DateTimeOriginal = 22,
	DateTimeDigitized = 23,
	ShutterSpeedValue = 24,
	Aperture = 25,
	Brightness = 26,
	ExposureBias = 27,
	MaxAperture = 28,
	SubjectDistance = 29,
	MeteringMode = 30,
	LightSource = 31,
	Flash = 32,
	FocalLength = 33,
	ExposureTime = 34,
	FNumber = 35,
	MakerNote = 36,
	UserComment = 37,
	SubSecTime = 38,
	SubSecTimeOriginal = 39,
	SubSecTimeDigitized = 40,
	GpsVersionId = 41,
	GpsLatitudeRef = 42,
	GpsLatitude = 43,
	GpsLongitudeRef = 44,
	GpsLongitude = 45,
	GpsAltitudeRef = 46,
	GpsAltitude = 47,
	GpsTimestamp = 48,
	GpsSatellites = 49,
	GpsStatus = 50,
	GpsMeasureMode = 51,
	GpsDop = 52,
	GpsSpeedRef = 53,
	GpsSpeed = 54,
	GpsTrackRef = 55,
	GpsTrack = 56,
	GpsImageDirectionRef = 57,
	GpsImageDirection = 58,
	GpsMapDatum = 59,
	GpsDestinationLatitudeRef = 60,
	GpsDestinationLatitude = 61,
	GpsDestinationLongitudeRef = 62,
	GpsDestinationLongitude = 63,
	GpsDestinationBearingRef = 64,
	GpsDestinationBearing = 65,
	GpsDestinationDistanceRef = 66,
	GpsDestinationDistance = 67,
	SupportedFlashPixVersion = 158,
	ColorSpace = 159,
	ExposureProgram = 160,
	SpectralSensitivity = 161,
	IsoSpeedRatings = 162,
	OptoElectricCoefficient = 163,
	RelatedSoundFile = 164,
	FlashEnergy = 165,
	SpatialFrequencyResponse = 166,
	FocalPlaneXResolution = 167,
	FocalPlaneYResolution = 168,
	SubjectLocation = 169,
	ExposureIndex = 170,
	SensingMethod = 171,
	FileSource = 172,
	SceneType = 173,
	CfaPattern = 174,
	Title = 175,
	Disclaimer = 176,
	Warning = 177,
	Misc = 178,
	Jpeg2000Binary = 179,
	Jpeg2000Latin = 180,
	IptcFirst = 181,
	IptcVersion = 181,
	IptcObjectTypeReference = 182,
	IptcObjectAttributeReference = 183,
	IptcObjectName = 184,
	IptcEditStatus = 185,
	IptcEditorialUpdate = 186,
	IptcUrgency = 187,
	IptcSubjectReference = 188,
	IptcCategory = 189,
	IptcSupplementalCategory = 190,
	IptcFixtureIdentifier = 191,
	IptcKeywords = 192,
	IptcContentLocationCode = 193,
	IptcContentLocationName = 194,
	IptcReleaseDate = 195,
	IptcReleaseTime = 196,
	IptcExpirationDate = 197,
	IptcExpirationTime = 198,
	IptcSpecialInstructions = 199,
	IptcActionAdvised = 200,
	IptcReferenceService = 201,
	IptcReferenceDate = 202,
	IptcReferenceNumber = 203,
	IptcDateCreated = 204,
	IptcTimeCreated = 205,
	IptcDigitalCreationDate = 206,
	IptcDigitalCreationTime = 207,
	IptcOriginatingProgram = 208,
	IptcProgramVersion = 209,
	IptcObjectCycle = 210,
	IptcByline = 211,
	IptcBylineTitle = 212,
	IptcCity = 213,
	IptcSubLocation = 214,
	IptcProvinceState = 215,
	IptcPrimaryLocationCode = 216,
	IptcPrimaryLocationName = 217,
	IptcOriginalTransmissionReference = 218,
	IptcHeadline = 219,
	IptcCredit = 220,
	IptcSource = 221,
	IptcCopyright = 222,
	IptcContact = 223,
	IptcCaption = 224,
	IptcAuthor = 225,
	IptcLanguageIdentifier = 226,
	IptcLast = 226,
	SubjectArea = 227,
	CustomRendered = 228,
	ExposureMode = 229,
	WhiteBalance = 230,
	DigitalZoomRatio = 231,
	FocalLengthIn35MMFilm = 232,
	SceneCaptureType = 233,
	GainControl = 234,
	Contrast = 235,
	Saturation = 236,
	Sharpness = 237,
	DeviceSettingDescription = 238,
	SubjectDistanceRange = 239,
	ImageUniqueId = 240,
	GpsProcessingMethod = 241,
	GpsAreaInformation = 242,
	GpsDateStamp = 243,
	GpsDifferential = 244,
	FocalPlaneResolutionUnit = 245,
	Gamma = 246,
	
 };
public enum class RasterCommentMetadataType : public System.Enum, System.IComparable, System.IConvertible, System.IFormattable
Members
ValueMemberDescription
0ArtistPerson who created the image. (TIFF Comment)
1CopyrightCopyright notice. (TIFF Comment)
2DateTimeDate and time (YYYY:MM:DD HH:MM:SS). The field length is 20, counting the NULL terminator. (TIFF Comment)
3DescriptionDescription of the image. (TIFF Comment)
4HostComputerComputer and operating system in use. (TIFF Comment)
5MakeManufacturer of the equipment used to create the image. (TIFF Comment)
6ModelModel name and number of the equipment. (TIFF Comment)
7NameOfDocumentName of the document from which the image was scanned. (TIFF Comment)
8NameOfPagePage name from which the image was scanned. (TIFF Comment)
9SoftwareName and version of the software package used to create the image. (TIFF Comment)
10PatientNamePatient name (DICOM)
11PatientIdPatient ID (DICOM)
12PatientBirthdatePatient birth date (DICOM)
13PatientSexPatient sex (DICOM)
14StudyInstanceStudy instance ID (DICOM)
15StudyDateStudy date (DICOM)
16StudyTimeStudy time (DICOM)
17StudyReferringPhysicianReferring physician (DICOM)
18SeriesModalitySeries modality (DICOM)
19SeriesIdSeries ID (DICOM)
20SeriesNumberSeries number (DICOM)
21ExifVersionExif version. LEADTOOLS always writes this value as 0110, meaning version 1.1. Data type: RasterCommentMetadataDataType.Ascii. Length: 4.
22DateTimeOriginalDate and time the original image is captured. The format is YYYY:MM:DD HH:MM:SS. The time is in a 24-hour format, and a blank space is left between the date and the time. Data type: RasterCommentMetadataDataType.Ascii. Length: 20.
23DateTimeDigitizedDate and time the file is generated. If the file is generated directly, as with a digital camera, this is the same as the time the original image is captured. Data type: RasterCommentMetadataDataType.Ascii. Length: 20.
24ShutterSpeedValueShutter speed. The unit of measure is APEX. Data type: RasterCommentMetadataDataType.Rational. Length: 1.
25ApertureAperture value. This is the ratio of lens aperture for the focal length. The unit of measure is APEX. Data type: RasterCommentMetadataDataType.URational. Length: 1.
26BrightnessBrightness value. Data type: RasterCommentMetadataDataType.Rational. Length: 1.
27ExposureBiasExposure bias. This is the value for correcting a biased exposure. The unit of measure is APEX. Data type: RasterCommentMetadataDataType.Rational. Length: 1.
28MaxApertureMinimum lens f-number. Data type: RasterCommentMetadataDataType.URational. Length: 1.
29SubjectDistanceDistance from lens to subject (in meters). Data type: RasterCommentMetadataDataType.URational. Length: 1.
30MeteringModePhotometry mode. Possible values are:
0 Unidentified
1 Average
2 Center Weighted Average
3 Spot
4 MultiSpot
5 Pattern
6 Partial
255 Others

Data type: SHORT. Length: 1.

31LightSourceLight source. Possible values are:
0 Unidentified
1 Daylight
2 Florescence light
3 Tungsten Lamp
17 Standard light source A
18 Standard light source B
19 Standard light source C
20 D55
21 D65
22 D75
255 Others

Data type: SHORT. Length: 1.

32FlashFlash On/Off. Possible values are 1 for on or 0 for off. Data type: SHORT. Length: 1.

Please refer to the EXIF specification for all possible values for EXIF comments.
33FocalLengthFocal length, measured in millimeters. Data type: RasterCommentMetadataDataType.URational. Length: 1.
34ExposureTimeExposure time, expressed as a fraction of a second. Data type: RasterCommentMetadataDataType.URational. Length: 1.
35FNumberThe actual lens F stop (ratio of lens aperture to focal length). Data type: RasterCommentMetadataDataType.URational. Length: 1.
36MakerNoteMaker note. Data type: RasterCommentMetadataDataType.Ascii. The creator of the file determines the data format.
37UserCommentUser comment. Data type: RasterCommentMetadataDataType.Ascii. Length: variable. The first eight bytes specify the data format, and the remainder of the comment is in the specified format. The first eight bytes can be any of the following:
41 53 43 49 49 00 00 00 ASCII
4A 49 53 00 00 00 00 00 JIS (Japanese)
00 00 00 00 00 00 00 00 Undefined
38SubSecTimeDecimal extension for seconds that are specified in the RasterCommentMetadataType.DateTime field. Data type: RasterCommentMetadataDataType.Ascii. Length: variable.
39SubSecTimeOriginalDecimal extension for seconds that are specified in the RasterCommentMetadataType.DateTimeOriginal field. Data type: RasterCommentMetadataDataType.Ascii. Length: variable.
40SubSecTimeDigitizedDecimal extension for seconds that are specified in the RasterCommentMetadataType. DateTimeDigitized field. Data type: RasterCommentMetadataDataType.Ascii. Length: variable.
41GpsVersionIdVersion number of the GPS image file directory (IFD). The current version is 2.0.0.0. This comment must be included when any GPS comments are used. Unlike the RasterCommentMetadataType.ExifVersion comment, this comment is written in bytes. A version written as 2.0.0.0 is actually 0x02000000 when coded. Data type: BYTE. Length: 4.
42GpsLatitudeRefNorth or south latitude. Possible values are "N" for north and "S" for south. Data type: RasterCommentMetadataDataType.Ascii. Length: 2.
43GpsLatitudeLatitude, expressed as three RasterCommentMetadataDataType.URational values. When expressed in degrees, minutes, and seconds, latitude is written as dd/1,mm/1,ss/1. If degrees and minutes are used as the units, and minutes are written with fractions to two decimal places, then latitude is expressed as dd/1,mmmm/100,0/1. Data type: RasterCommentMetadataDataType.URational. Length: 3.
44GpsLongitudeRefEast or west longitude. Possible values are "E" for east and "W" for west. Data type: RasterCommentMetadataDataType.Ascii. Length: 2.
45GpsLongitudeThe longitude, expressed as three RasterCommentMetadataDataType.URational values. When expressed in degrees, minutes and seconds, longitude is written as ddd/1,mm/1,ss/1. If degrees and minutes are used as the units, and minutes are written with fractions to two decimal places, then longitude is expressed as dd/1,mmmm/100,0/1. Data type: RasterCommentMetadataDataType.URational. Length: 3.
46GpsAltitudeRefReference altitude. In the current version, sea level is used as the reference, which must be zero. The reference unit is meters. Data type: BYTE. Length: 1.
47GpsAltitudeAltitude, in meters, relative to the reference altitude. Data type: RasterCommentMetadataDataType.URational. Length: 1.
48GpsTimestampTime stamp in UTC (Coordinated Universal Time) time. The time is expressed as three RasterCommentMetadataDataType.URational values, for hours, minutes, and seconds. Data type: RasterCommentMetadataDataType.URational. Length: 3.
49GpsSatellitesGPS satellites used for measurement. The coding format is not stipulated. This comment can be used to code information such as the number of satellites, the satellite number, the satellite angle of elevation, its azimuth, and its SNR. If the GPS receiver cannot make a measurement, this comment is NULL. Data type: RasterCommentMetadataDataType.Ascii. Length: variable.
50GpsStatusStatus of the GPS receiver at when the image is recorded. Possible values are "A" when measurement in progress and "V" when measurement is interrupted. Data type: RasterCommentMetadataDataType.Ascii. Length: 2.
51GpsMeasureModeGPS measurement mode. A value of "2" denotes two-dimensional measurement, and "3" denotes three-dimensional measurement. Data type: RasterCommentMetadataDataType.Ascii. Length: 2.
52GpsDopDOP (data precision) value. This comment is an HDOP value during two-dimensional measurement and a PDOP value during three-dimensional measurement. Data type: RasterCommentMetadataDataType.URational. Length: 1.
53GpsSpeedRefUnit for measuring speed. Possible values are "K" for kilometers, "M" for miles, and "N" for knots. Data type: RasterCommentMetadataDataType.Ascii. Length: 2.
54GpsSpeedSpeed of the GPS receiver. Data type: RasterCommentMetadataDataType.URational. Length: 1.
55GpsTrackRefReference for direction of movement. Possible values are "T" for a true direction and "M" for a magnetic. Data type: RasterCommentMetadataDataType.Ascii. Length: 2
56GpsTrackDirection of GPS receiver movement. The range of values is 0.00 to 359.00. Data type: RasterCommentMetadataDataType.URational. Length: 1.
57GpsImageDirectionRefReference for the direction of photography in the recorded image. Possible values are "T" for a true direction and "M" for a magnetic. Data type: RasterCommentMetadataDataType.Ascii. Length: 2.
58GpsImageDirectionDirection of photography in the recorded image. The range of values is 0.00 to 359.00. Data type: RasterCommentMetadataDataType.URational. Length: 1.
59GpsMapDatumGeodetic survey data used by the receiver. If the geodetic survey data is restricted to Japan, this tag value is " TOKYO " or "WGS-84". Data type: RasterCommentMetadataDataType.Ascii. Length: variable.
60GpsDestinationLatitudeRefNorth or south latitude for the destination point. Possible values are "N" for north and "S" for south. Data type: RasterCommentMetadataDataType.Ascii. Length: 2.
61GpsDestinationLatitudeLatitude of the destination point. The latitude is expressed as three RasterCommentMetadataDataType.URationalvalues, indicating degrees, minutes and seconds. Data type: RasterCommentMetadataDataType.URational. Length: 3.
62GpsDestinationLongitudeRefEast or west longitude for the destination point. Possible values are "E" for east and "W" for west. Data type: RasterCommentMetadataDataType.Ascii. Length: 2.
63GpsDestinationLongitudeLongitude of the destination point. The longitude is expressed as three RasterCommentMetadataDataType.URationalvalues, indicating degrees, minutes and seconds. Data type: RasterCommentMetadataDataType.URational. Length: 3.
64GpsDestinationBearingRefReference for the bearing to the destination point. Possible values are "T" for a true direction and "M" for a magnetic. Data type: RasterCommentMetadataDataType.Ascii. Length: 2.
65GpsDestinationBearingBearing to the destination point. The range of values is 0.00 to 359.00. Data type: RasterCommentMetadataDataType.URational. Length: 1.
66GpsDestinationDistanceRefUnit for measuring distance to the destination point. Possible values are "K" for kilometers, "M" for miles, and "N" for nautical miles. Data type: RasterCommentMetadataDataType.Ascii. Length: 2.
67GpsDestinationDistanceDistance to the destination point. Data type: RasterCommentMetadataDataType.URational. Length: 1.
158SupportedFlashPixVersionSupported FlashPix version (Exif 2.0). LEADTOOLS always writes 0100 here. Data type: RasterCommentMetadataDataType. Undefined. Length: 4
159ColorSpaceColor space (Exif 2.0). Specifies whether the color is calibrated or not. LEADTOOLS always writes this value as 1. Data type: SHORT. Length: 1 Possible values are:
1 sRGB (PC monitor conditions)
0xFFFF Uncalibrated
Other reserved
160ExposureProgramExposure program (Exif 2.0) The class of the program used by the camera to set exposure when the picture is taken. Data type: SHORT. Length = 1. Possible values are:
0 Not defined
1 Manual
2 Aperture priority
4 Shutter priority
5 Creative program (biased toward depth of field)
6 Action program (biased toward fast shutter speed)
7 Portrait mode (for closeup photos with the background out of focus)
Other Reserved
161SpectralSensitivitySpectral sensitivity (Exif) - The spectral sensitivity of each channel of the camera used. It is an ASCII string compatible with the standard developed by the ASTM technical committee. Data type: RasterCommentMetadataDataType.Ascii. Length: any
162IsoSpeedRatingsISO speed ratings (Exif) - the ISO speed and the ISO Latitude of the camera or input device as specified in ISO 12232 Data type: SHORT. Length: any
163OptoElectricCoefficientOptoelectric coefficient (Exif) - Opto-Electric Conversion function specified in ISO 14524. OECF is the relationship between the camera optical input and the image values. Data type: RasterCommentMetadataDataType. Undefined. Length: ANY. This is an array of m rows and n columns.
164RelatedSoundFileRelated audio file (Exif) - the name of an audio file related to the image data. The name should be 8 ASCII chars + '.' + 3 chars for extension + NULL. Data type: RasterCommentMetadataDataType.Ascii. Length: 13.
165FlashEnergyFlash energy (Exif) - the strobe energy at the time the image is captured, as measured in Beam Candle Power Seconds (BPCS) Data type: RasterCommentMetadataDataType.URational. Length: 1
166SpatialFrequencyResponseSpatial frequency response (Exif) - 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. Data type: RasterCommentMetadataDataType.Ascii. Length: ANY This is an array of m rows and n columns.
167FocalPlaneXResolutionFocal plane X Resolution (Exif) - the number of dots per resolution unit on the camera focal plane in the image width (X) direction
168FocalPlaneYResolutionFocal plane Y Resolution (Exif) - the number of dots per inch on the camera focal plane in the image height (Y) direction
169SubjectLocationSubject location (Exif) - the location of the main subject in the scene. The first value is the X column number and the second is the Y row number. Data type: SHORT. Length: 2
170ExposureIndexExposure index (Exif) - the image sensor type on the camera or input device. Data type: SHORT. Length: 1
171SensingMethodSensing method (Exif) - the image sensor type on the camera or input device. Data type: SHORT. Length: 1 Possible values are:
1 Not defined
2 One-chip color area sensor
3 Two-chip color area sensor
4 Three-chip color area sensor
5 Color sequential area sensor
7 Trilinear sensor
8 Color sequential sensor
other Reserved
172FileSourceFile source (Exif) - the image source. If a digital camera recorded the image, the value will always be 3, to indicate that the image was recorded on a digital camera. Data type: SHORT. Length: 1 Possible values are:
3 Image recorded on a DSC (Digital Still Camera)
Other Reserved
173SceneTypeScene type (Exif) - the type of scene. If a DSC recorded the image, this value will always be 1, indicating that the image was directly photographed. Data type: RasterCommentMetadataDataType.Ascii. Length: 1 Possible values are:
1 A directly photographed image
Other Reserved
174CfaPatternCFA Pattern (Exif) - the color filter array (CFA) geometric pattern of the image sensor when a one-chip color sensor was applied. It does not apply to any other sensing methods. Data type: RasterCommentMetadataDataType. Undefined. Length: ANY This is an array m x n (horz x vertical), where the pattern is repeated every m pixels on the horizontal and n pixels on the vertical.
175TitleTitle of the image.
176DisclaimerString containing the disclaimer of the software used to create the image.
177WarningWarning statement associated with the software that created the image.
178MiscMiscellaneous information.
179Jpeg2000BinaryJPEG 2000 binary comment.
180Jpeg2000LatinJPEG 2000 Latin comment.
181IptcFirstThe first IPTC comment To get all IPTC comments, use the comment type constant as a loop counter. The first constant is RasterCommentMetadataType.IptcFirst and the last is RasterCommentMetadataType.IptcLast.
181IptcVersion2:0, the version of IPTC comments (read-only). Non-repeatable, (min=2 bytes, max=2). This is the only comment that is binary. The first byte is the lower version number (usually 0) and the second byte is the high version number (the current version is 4 - binary 4, not ascii '4'). LEADTOOLS writes 4 here.
182IptcObjectTypeReference2:3, Object type reference. Non repeatable. Length = 3..67.
183IptcObjectAttributeReference2:4, Object Attribute Reference. Repeatable. Length = 4..68.
184IptcObjectName2:5, Object name. Non repeatable. Length = 1..64.
185IptcEditStatus2:7, Edit status. Non repeatable. Length = 1..64.
186IptcEditorialUpdate2:8, Editorial update. Non repeatable. Length = 2..2.
187IptcUrgency2:10, Urgency. Non repeatable. '1' is most urgent, '5' = Normal, '8' is least urgent. Length = 1..1.
188IptcSubjectReference2:12, Subject reference. Repeatable. Length = 13..236.
189IptcCategory2:15, Category. Non repeatable. Length = 1..3.
190IptcSupplementalCategory2:20, Supplemental category. Repeatable. Length = 1..32.
191IptcFixtureIdentifier2:22, Fixture identifier. Non repeatable. Length = 1..32.
192IptcKeywords2:25, Keywords. Repeatable. Length = 1..64.
193IptcContentLocationCode2:26, Content location code. Repeatable. Length = 3..3.
194IptcContentLocationName2:27, Content location name. Repeatable. Length = 1..64.
195IptcReleaseDate2:30, Release date. Non repeatable. Length = 8..8.
196IptcReleaseTime2:35, Release time. Non repeatable. Length = 11..11.
197IptcExpirationDate2:37, Expiration date. Non repeatable. Length = 8..8.
198IptcExpirationTime2:38, Expiration time. Non repeatable. Length = 11..11.
199IptcSpecialInstructions2:40, Special instructions. Non repeatable. Length = 1..256.
200IptcActionAdvised2:42, Action advised. Non repeatable. Length = 2..2.
201IptcReferenceService2:45, Reference service. Repeatable. Length = 1..10.
202IptcReferenceDate2:47, Reference date. Repeatable. Length = 8..8.
203IptcReferenceNumber2:50, Reference number. Repeatable. Length = 8..8.
204IptcDateCreated2:55, Date created. Non repeatable. Length = 8..8.
205IptcTimeCreated2:60, Time created. Non repeatable. Length = 11..11.
206IptcDigitalCreationDate2:62, Digital creation date. Non repeatable. Length = 8..8.
207IptcDigitalCreationTime2:63, Digital creation time. Non repeatable. Length = 11..11.
208IptcOriginatingProgram2:65, Originating program. Non repeatable. Length = 1..32.
209IptcProgramVersion2:70, Program version. Non repeatable. Length = 1..10.
210IptcObjectCycle2:75, Object cycle. Non repeatable. Length = 1..1.
211IptcByline2:80, By-line. Repeatable. Length = 1..32.
212IptcBylineTitle2:85, By-line title. Repeatable. Length = 1..32.
213IptcCity2:90, City Non repeatable. Length = 1..32.
214IptcSubLocation2:92, Sub-location. Non repeatable. Length = 1..32.
215IptcProvinceState2:95, Province/State. Non repeatable. Length = 1..32.
216IptcPrimaryLocationCode2:100, Country/Primary location code. Non repeatable. Length = 3..3.
217IptcPrimaryLocationName2:101, Country/Primary location name. Non repeatable. Length = 1..64.
218IptcOriginalTransmissionReference2:103, Original transmission reference. Non repeatable. Length = 1..32.
219IptcHeadline2:105, Headline. Non repeatable. Length = 1..256.
220IptcCredit2:110, Credit. Non repeatable. Length = 1..32.
221IptcSource2:115, Source. Non repeatable. Length = 1..32.
222IptcCopyright2:116, Copyright Notice. Non repeatable. Length = 1..128.
223IptcContact2:118, Contact. Repeatable. Length = 1..128.
224IptcCaption2:120, Caption/Abstract. Non repeatable. Length = 1..2000.
225IptcAuthor2:122, Writer/Editor. Repeatable. Length = 1..32.
226IptcLanguageIdentifier2:135, Language identifier. Non repeatable. Length = 2..3.
226IptcLastThe last IPTC comment.
227SubjectAreaLocation and area of the main subject in the overall scene. Data type: SHORT. Count: 2 (Location of the subject is given in X, Y coordinates), 3 (Area of the main subject is given as a circle, X, Y, D, where X and Y are the center coordinates and D is the diameter.) and 4 (Area of the main subject is given as a rectangle, X, Y, W, H, where X and Y are the center coordinates, W is the width or the rectangle and H is the height of the rectangle.).
228CustomRenderedUse of special processing on image data, such as rendering geared toward output. When special processing is performed, the reader is expected to disable or minimize any further processing. Data type: SHORT; Count: 1; Possible Values: 0 ( Normal process), 1 (Custom process), Other (Reserved). Default: 0;
229ExposureModeExposure 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. Tag: 41986; Data type: SHORT; Count: 1; Possible values are: 0 (Auto exposure), 1 (Manual exposure), 2 (Auto-bracket), Other (Reserved); Default: none.
230WhiteBalanceWhite balance mode set when the image was shot. Data type: SHORT; Count: 1; Possible values are: 0 (Auto white balance), 1 (Manual white balance), Other (Reserved); Default: none.
231DigitalZoomRatioDigital zoom ratio set when the image was shot. If the numerator of the recorded value is 0, the digital zoom was not used. Data type: RasterCommentMetadataDataType.URational; Count: 1; Default: none.
232FocalLengthIn35MMFilmEquivalent focal length, assuming a 35mm film camera, in mm. A value of 0 means the focal length is unknown. Note that this comment is different from the RasterCommentMetadataType.FocalLength comment. Data type: SHORT; Count: 1; Default: none.
233SceneCaptureTypeType of scene that was shot. It can also be used to record the mode in which the image was shot. Note that this differs from the RasterCommentMetadataType.SceneType comment. Data type: SHORT; Count: 1; Possible values are: 0 (Standard), 1 (Landscape), 2 (Portrait), 3 (Night scene), Other (Reserved); Default: 0.
234GainControlDegree of overall image gain adjustment. Data type: SHORT; Count: 1; Possible values are: 0 (None), 1 (Low gain up), 2 (High gain up), 3 (Low gain down), 4 (High gain down), Other (Reserved); Default: none.
235ContrastDirection of contrast processing applied by the camera when the image was shot. Data type: SHORT; Count: 1; Possible values are: 0 ( Normal), 1 (Soft), 2 (Hard), Other (Reserved); Default: 0.
236SaturationDirection of saturation processing applied by the camera when the image was shot. Data type: SHORT; Count: 1; Possible values are: 0 ( Normal), 1 (Low saturation), 2 (High saturation), Other (Reserved); Default: 0.
237SharpnessDirection of sharpness processing applied by the camera when the image was shot. Data type: SHORT; Count: 1; Possible values are: 0 ( Normal), 1 (Soft), 2 (Hard), Other (Reserved); Default: 0.
238DeviceSettingDescriptionInformation on the picture-taking conditions of a particular camera model. Used only to indicate the picture-taking conditions in the reader. Data type: RasterCommentMetadataDataType.Ascii; Count: Any; The data is recorded in Unicode using SHORT fro the number of display rows and columns and RasterCommentMetadataDataType.Ascii for the camera settings. The Unicode (UCS -2) string including Signature is NULL terminated. The specifics of the Unicode string are as given in ISO/IEC 10464-1. Default: none.
239SubjectDistanceRangeDistance to the subject. Data type: SHORT; Count: 1; Possible values are: 0 (Unknown), 1 (Macro), 2 (Close view), 3 (Distant view), Other (Reserved); Default: none.
240ImageUniqueIdIdentifier assigned uniquely to each image. It is recorded as an ASCII string equivalent to hexadecimal notation and 128-bit fixed length. Tag: 42016; Data type: RasterCommentMetadataDataType.Ascii; Count: 33; Default: none
241GpsProcessingMethodProcessing method. Data type: RasterCommentMetadataDataType.Byte. Length: Any.
242GpsAreaInformationArea. Data type: RasterCommentMetadataDataType.Byte. Length: Any.
243GpsDateStampDate. Data type: SZ. Length: 11.
244GpsDifferentialDifferential. Data type: Short. Length: 1.
245FocalPlaneResolutionUnitFocal plane resolution unit (Exif). This is the resolution unit for the RasterCommentMetadataType.FocalPlaneXResolution and RasterCommentMetadataType.FocalPlaneYResolution comments.
246GammaIndicates the value of coefficient gamma. The formula of transfer function used for image reproduction is expressed as follows:
(Reproduced value) = (Input value) ^ (gamma).
(The Reproduced and Input values are normalized to be between 0 and 1). The gamma must be positive. Tag: 42240; Data Type: RasterCommentMetadataDataType.Rational; Count: 1; Default: none.
Remarks

When reading or updating Exif comments, you must specify the comment type. Comment fields are constrained by their Exif data type.

All Exif files (TIFF and JPG) can contain the designated TIFF comments. Each TIFF comment field can contain a character string. The maximum field size is 32K, except for the date-time field, which is always 20.

NOTE: Please refer to the EXIF specification for all possible values for EXIF comments.

For more information, refer to GIF File Comments.

For more information, refer to PNG File Comments.

For more information, refer to TIFF File Comments.

Inheritance Hierarchy

System.Object
   System.ValueType
      System.Enum
         Leadtools.RasterCommentMetadataType

Requirements

Target Platforms

See Also

Reference

Leadtools Namespace

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