Copyright © 2012 Open Geospatial Consortium.
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NUMDES Number of Data
Extension Segments NA
LDSHn Length of nth Data
Extension Segment Subheader
NA
LDn Length of the data
portion of the nth Data Extension
Segment NA
NUMRES Number of Reserved
Extension Segments NA
LRESHn Length of nth
Reserved Extension Segment Subheader
NA LREn
Length of nth Reserved Extension
Segment NA
UDHDL User Defined
Header Data Length NA
UDHOFL User Defined
Header Overflow NA
UDHD User-Defined
Header Data udhd
gmljp2:RootFeature Collection
ntf:sourceFileMetada taFileHeader
XHDL Extended Header
Data Length NA
XHDLOFL Extended Header
Data Overflow NA
XHD Extended Header
Data xhd
gmljp2:RootFeature Collection
ntf:sourceFileMetada taFileHeader
7.1.2 NITF image subheader
The NITF image subheader contains information about the image.
Table 3 — Image Subheader
Field Name
GMLJP2 Rectified Grid Coverage
GMLJP2 property GMLJP2 path
14
Copyright © 2012 Open Geospatial Consortium. mapping
IM File Part Type
im gmljp2:RootFeatureC
ollection featureMemberCode
StreamDatantf:imag eMetadataImageSub
header
IID1 Image Identifier 1
iid1 gmljp2:RootFeatureC
ollection featureMemberCode
StreamDatantf:imag eMetadataImageSub
header
IDATIM Image Date and Time
idatim gmljp2:RootFeatureC
ollection featureMemberCode
StreamDatantf:imag eMetadataImageSub
header
TGTID Target Identifier
tgtid gmljp2:RootFeatureC
ollection featureMemberCode
StreamDatantf:imag eMetadataImageSub
header
IID2 Image Identifier 2
iid2 gmljp2:RootFeatureC
ollection featureMemberCode
StreamDatantf:imag eMetadataImageSub
header
ISCLAS Image Security
Classification isclas
gmljp2:RootFeatureC ollection
featureMemberCode StreamDatantf:imag
eMetadataImageSub header
ISCLSY Image Security
Classification System isclsy
gmljp2:RootFeatureC ollection
featureMemberCode StreamDatantf:imag
eMetadataImageSub header
ISCODE Image Codewords
iscode gmljp2:RootFeatureC
ollection featureMemberCode
StreamDatantf:imag eMetadataImageSub
header
Copyright © 2012 Open Geospatial Consortium.
15
ISCTLH Image Control and
Handling isctlh
gmljp2:RootFeatureC ollection
featureMemberCode StreamDatantf:imag
eMetadataImageSub header
ISREL Image Releasing
Instructions isrel
gmljp2:RootFeatureC ollection
featureMemberCode StreamDatantf:imag
eMetadataImageSub header
ISDCTP Image Declassification
Type isdctp
gmljp2:RootFeatureC ollection
featureMemberCode StreamDatantf:imag
eMetadataImageSub header
ISDCDT Image Declassification
Date isdcdt
gmljp2:RootFeatureC ollection
featureMemberCode StreamDatantf:imag
eMetadataImageSub header
ISDCXM Image Declassification
Exemption isdcxm
gmljp2:RootFeatureC ollection
featureMemberCode StreamDatantf:imag
eMetadataImageSub header
ISDG Image Downgrade
isdg gmljp2:RootFeatureC
ollection featureMemberCode
StreamDatantf:imag eMetadataImageSub
header
ISDGDT Image Downgrade Date.
isdgdt gmljp2:RootFeatureC
ollection featureMemberCode
StreamDatantf:imag eMetadataImageSub
header
ISCLTX Image Classification Text
iscltx gmljp2:RootFeatureC
ollection featureMemberCode
StreamDatantf:imag eMetadataImageSub
header
ISCATP Image Classification
Authority Type iscatp
gmljp2:RootFeatureC ollection
featureMemberCode StreamDatantf:imag
16
Copyright © 2012 Open Geospatial Consortium. eMetadataImageSub
header
ISCAUT Image Classification
Authority iscaut
gmljp2:RootFeatureC ollection
featureMemberCode StreamDatantf:imag
eMetadataImageSub header
ISCRSN Image Classification
Reason iscrsn
gmljp2:RootFeatureC ollection
featureMemberCode StreamDatantf:imag
eMetadataImageSub header
ISSRDT Image Security Source
Date issrot
gmljp2:RootFeatureC ollection
featureMemberCode StreamDatantf:imag
eMetadataImageSub header
ISCTLN Image Security Control
Number isctln
gmljp2:RootFeatureC ollection
featureMemberCode StreamDatantf:imag
eMetadataImageSub header
ENCRYP Encryption Data
encryp gmljp2:RootFeatureC
ollection featureMemberCode
StreamDatantf:imag eMetadataImageSub
header
ISORCE Image Source
isource gmljp2:RootFeatureC
ollection featureMemberCode
StreamDatantf:imag eMetadataImageSub
header
NROWS Number of Significant
Rows in Image Segment gml:RectifiedGridgml:li
mitsgml:GridEnvelope gml:high
nrows gmljp2:RootFeatureC
ollection featureMemberCode
StreamDatantf:imag eMetadataImageSub
header
NCOLS Number of Significant
Columns in Image Segment
gml:RectifiedGridgml:li mitsgml:GridEnvelope
gml:high ncols
gmljp2:RootFeatureC ollection
featureMemberCode StreamDatantf:imag
eMetadataImageSub header
Copyright © 2012 Open Geospatial Consortium.
17
PVTYPE Pixel Value Type
pvtype gmljp2:RootFeatureC
ollection featureMemberCode
StreamDatantf:imag eMetadataImageSub
header
IREP Image Representation
irep gmljp2:RootFeatureC
ollection featureMemberCode
StreamDatantf:imag eMetadataImageSub
header
ICAT Image Category
icat gmljp2:RootFeatureC
ollection featureMemberCode
StreamDatantf:imag eMetadataImageSub
header
ABPP Actual Bits-Per-Pixel Per
Band abpp
gmljp2:RootFeatureC ollection
featureMemberCode StreamDatantf:imag
eMetadataImageSub header
PJUST Pixel Justification
pjust gmljp2:RootFeatureC
ollection featureMemberCode
StreamDatantf:imag eMetadataImageSub
header
ICORDS Image Coordinate
Representation icords
gmljp2:RootFeatureC ollection
featureMemberCode StreamDatantf:imag
eMetadataImageSub header
IGEOLO Approximate geo-location
gml:RectifiedGridgml:li mitsgml:GridEnvelope
gml:origin and gml:RectifiedGridgml:li
mitsgml:GridEnvelope gml:low and
gml:RectifiedGridgml:li mitsgml:GridEnvelope
gml:high Optional:
gjp2:RootFeatureColle ctiongjp2:featureMemb
ergjp2:CodeStreamDat agjp2:coveragentf:Rec
tifiedGridCoveragegml: boundedBygml:Envelo
pegml:lowerCorner
igeolo gmljp2:RootFeatureC
ollection featureMemberCode
StreamDatantf:imag eMetadataImageSub
header
18
Copyright © 2012 Open Geospatial Consortium. and
gjp2:RootFeatureColle ctiongjp2:featureMemb
ergjp2:CodeStreamDat agjp2:coveragentf:Rec
tifiedGridCoveragegml: boundedBygml:Envelo
pegml:upperCorner
NICOM Number of Image
Comments NA
gmljp2:RootFeatureC ollection
featureMemberCode StreamDatantf:imag
eMetadataImageSub header
ICOMn Copyrightrestricted rights
legend comment
gmljp2:RootFeatureC ollection
featureMemberCode StreamDatantf:imag
eMetadataImageSub headercommentColl
ectionCommentElem ent
IC Image Compression
ic gmljp2:RootFeatureC
ollection featureMemberCode
StreamDatantf:imag eMetadataImageSub
header
COMRAT Compression Rate Code
comrat gmljp2:RootFeatureC
ollection featureMemberCode
StreamDatantf:imag eMetadataImageSub
header
NBANDS Number of Bands
NA gmljp2:RootFeatureC
ollection featureMemberCode
StreamDatantf:imag eMetadataImageSub
header
XBANDS Number of Multispectral
Bands NA
gmljp2:RootFeatureC ollection
featureMemberCode StreamDatantf:imag
eMetadataImageSub header
IREPBANDn nth Band Representation
ntf:RectifiedGridCovera gentf:rangeSet
gml:Filegml:rangePara metersntf:BandRepres
bandBandRepre sentationirepban
d gmljp2:RootFeatureC
ollection featureMemberCode
StreamDatantf:imag
Copyright © 2012 Open Geospatial Consortium.
19
entationgml:name eMetadataImageSub
header
ISUBCATn nth Band Subcategory
ntf:RectifiedGridCovera gentf:rangeSet
gml:Filegml:rangePara metersntf:BandRepres
entationisubcat bandBandRepre
sentationisubcat gmljp2:RootFeatureC
ollection featureMemberCode
StreamDatantf:imag eMetadataImageSub
header
IFCn nth Band Image Filter
Condition bandBandRepre
sentationifc gmljp2:RootFeatureC
ollection featureMemberCode
StreamDatantf:imag eMetadataImageSub
header
IMFLTn nth Band Standard
Image Filter Code bandBandRepre
sentationimflt gmljp2:RootFeatureC
ollection featureMemberCode
StreamDatantf:imag eMetadataImageSub
header
NLUTSn Number of LUTS for the
nth Image Band NA
NELUTn Number of LUT Entries
for the nth Image Band NA
LUTDnm nth Image Band, mth
LUT ntf:RectifiedGridCovera
gentf:rangeSet gml:Filegml:rangePara
metersntf:BandRepres entationlut
bandBandRepre sentationlut
gmljp2:RootFeatureC ollection
featureMemberCode StreamDatantf:imag
eMetadataImageSub headerbandBandEl
ement
ISYNC Image Sync code
NA gmljp2:RootFeatureC
ollection featureMemberCode
StreamDatantf:imag eMetadataImageSub
header
IMODE Image Mode
imode gmljp2:RootFeatureC
ollection featureMemberCode
StreamDatantf:imag eMetadataImageSub
header
NBPR Number of Blocks Per
Row Per Image Segment nbpr
gmljp2:RootFeatureC ollection
featureMemberCode StreamDatantf:imag
20
Copyright © 2012 Open Geospatial Consortium. eMetadataImageSub
header
NBPC Number of Blocks Per
Column Per Image Segment
nbpc gmljp2:RootFeatureC
ollection featureMemberCode
StreamDatantf:imag eMetadataImageSub
header
NPPBH Number of Pixels Per
Block Horizontal. nppbh
gmljp2:RootFeatureC ollection
featureMemberCode StreamDatantf:imag
eMetadataImageSub header
NPPBV Number of Pixels Per
Block Vertical nppbv
gmljp2:RootFeatureC ollection
featureMemberCode StreamDatantf:imag
eMetadataImageSub header
NBPP Number of Bits Per Pixel
Per Band nbpp
gmljp2:RootFeatureC ollection
featureMemberCode StreamDatantf:imag
eMetadataImageSub header
IDLVL Image Display Level
idlvl gmljp2:RootFeatureC
ollection featureMemberCode
StreamDatantf:imag eMetadataImageSub
header
IALVL Image Attachment Level
ialvl gmljp2:RootFeatureC
ollection featureMemberCode
StreamDatantf:imag eMetadataImageSub
header
ILOC Image Location
iloc gmljp2:RootFeatureC
ollection featureMemberCode
StreamDatantf:imag eMetadataImageSub
header
IMAG Image Magnification
imag gmljp2:RootFeatureC
ollection featureMemberCode
StreamDatantf:imag eMetadataImageSub
header
Copyright © 2012 Open Geospatial Consortium.
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UDIDL User Defined Image Data
Length NA
gmljp2:RootFeatureC ollection
featureMemberCode StreamDatantf:imag
eMetadataImageSub header
UDOFL User Defined Overflow
NA gmljp2:RootFeatureC
ollection featureMemberCode
StreamDatantf:imag eMetadataImageSub
header
UDID User Defined Image Data
udid gmljp2:RootFeatureC
ollection featureMemberCode
StreamDatantf:imag eMetadataImageSub
header
IXSHDL Image Extended
Subheader Data Length NA
gmljp2:RootFeatureC ollection
featureMemberCode StreamDatantf:imag
eMetadataImageSub header
IXSOFL Image Extended
Subheader Overflow NA
gmljp2:RootFeatureC ollection
featureMemberCode StreamDatantf:imag
eMetadataImageSub header
IXSHD Image Extended
Subheader Data ixshd
gmljp2:RootFeatureC ollection
featureMemberCode StreamDatantf:imag
eMetadataImageSub header
7.1.3 NITF image data mask
