[gdal-dev] Multi-band JPEG2000 support?

[jplacy2]

Thanks Even. Is it true that a recompile from source is necessary to support other drivers, namely the JasPer JP2 option? I haven't been able to find any windows binaries that make that driver available. But perhaps that option only supports three bands as well? I haven't been able to find a definitive answer.

Thanks again.



> On Nov 26, 2014, at 10:42 AM, Even Rouault-2 [via OSGeo.org] <ml-node+s1560n5175106h69 at n6.nabble.com> wrote:
> 
> Le mercredi 26 novembre 2014 17:31:34, jplacy2 a écrit :
> 
> > Hi Folks- 
> > 
> > I'm attempting to generate some 4-band JP2 files using the GDAL 1.11 Win64 
> > binary acquired from gisinternals.com. 
> > 
> > I quickly ran into a problem... JP2 driver doesn't like four bands: 
> > 
> > gdal_translate --debug on -of JP2OpenJPEG test.tif test.jp2 
> > GDAL: GDALOpen(test.tif, this=000000000061CB70) succeeds as GTiff. 
> > Input file size is 5920, 7700 
> > ERROR 6: Unable to export files with 4 bands 
> > GDAL: GDALClose(test.tif, this=000000000061CB70) 
> > 
> > So my question is simple: what options are there for creating multi-band 
> > jpeg2000's with GDAL on the Windows platform?  I understand there are other 
> > driver options, but from what I have read, they all require a license 
> > and/or a recompile of GDAL from the source... the latter is not really in 
> > my skill set.
> 
> Jim, 
> 
> This is known as http://trac.osgeo.org/gdal/ticket/5695. The restriction has 
> been put, because currently the driver couldn't not produce correct RGBA files 
> with the alpha band correctly marked as such. I may have the opportunity to 
> work on that in a medium term. 
> 
> In the meantime, you could perhaps try the opj_compress utility of openjpeg ( 
> https://code.google.com/p/openjpeg/wiki/Downloads?tm=2 ), but it will likely 
> has the same flow as indicated above if you're interested in RGBA images. 
> 
> Even 
> 
> > 
> > Thanks for any guidance, 
> > Jim 
> > 
> > 
> > 
> > 
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