Le mercredi 26 novembre 2014 15:58:21, Tomer a écrit :
> I want to be able to display additional properties of JPEG 2000 that are
> normally not available in programs like GDALINFO (with the SDK integrated).
>
> Those properties are for example:
> PROGRESSION=LRCP/RLCP/RPCL:
> CODESTREAM_ONLY=YES/NO:
> LEVELS=n:
> LAYERS=n:
> PRECINCT_WIDTH=n:
> PRECINCT_HEIGHT=n:
> TILE_WIDTH=n:
> TILE_HEIGHT=n:
> INCLUDE_SOP=YES/NO:
> INCLUDE_EPH=YES/NO:
> DECOMPRESS_LAYERS=n:
Tomer,
You can get some of them with the opj_dump utility of OpenJPEG.
$ ~/install-openjpeg-2.1.0/bin/opj_dump -i byte.jp2
[INFO] Start to read j2k main header (2233).
[INFO] Main header has been correctly decoded.
Image info {
x0=0, y0=0
x1=20, y1=20
numcomps=1
component 0 {
dx=1, dy=1
prec=8
sgnd=0
}
}
Codestream info from main header: {
tx0=0, ty0=0
tdx=20, tdy=20
tw=1, th=1
default tile {
csty=0x1
prg=0x3
numlayers=12
mct=0
comp 0 {
csty=0x1
numresolutions=6
cblkw=2^6
cblkh=2^6
cblksty=0
qmfbid=0
preccintsize (w,h)=(9,4) (9,5) (9,6) (9,7) (9,8) (9,9)
qntsty=2
numgbits=1
stepsizes (m,e)=(1822,14) (1770,14) (1770,14)
(1724,14)
(1792,13) (1792,13) (1762,13) (1868,12) (1868,12) (1892,12) (3,10) (3,10)
(69,10) (2002,10) (2002,10) (1889,10)
roishift=0
}
}
}
Codestream index from main header: {
Main header start position=2233
Main header end position=2633
Marker list: {
type=0xff4f, pos=2233, len=2
type=0xff51, pos=2235, len=43
type=0xff52, pos=2278, len=20
type=0xff5c, pos=2298, len=37
type=0xff64, pos=2335, len=17
type=0xff64, pos=2352, len=281
}
}
Kakadu's kdu_jp2info should also do it.
Best regards,
Even
--
Spatialys - Geospatial professional services
http://www.spatialys.com
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