[gdal-dev] GDAL: How to create one NITF image from CIB CD

[Even Rouault]

I take the liberty to forward your email to the list, as a follow-up to mention
that the below patch has been pushed into trunk and 1.6 branch (for 1.6.3)

Selon "Rydzak, Carol-P28503" <Carol.Rydzak at gdc4s.com>:

> Thank you so much for this info.  I made the change and recompiled.  It
> worked!  Thank you very very much!
>
> Carol
>
>
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>
> -----Original Message-----
> From: Even Rouault [mailto:even.rouault at mines-paris.org]
> Sent: Friday, September 04, 2009 2:47 AM
> To: Rydzak, Carol-P28503
> Cc: gdal-dev at lists.osgeo.org
> Subject: RE: [gdal-dev] GDAL: How to create one NITF image from CIB CD
>
> Selon "Rydzak, Carol-P28503" <Carol.Rydzak at gdc4s.com>:
>
> > Hi.
> > Thank you for getting back to me on this!
> > Yes, I am using the 1.6.0 version of GDAL.
> >
> > I did what you suggested and it gives me a bus error when I run the
> > gdalinfo command on the a.toc file.  Do you recall what the problems
> > were with the CIB data that you heard about?  I have a 1 meter, 5
> > meter and 10 meter data sets that I tried and I got a bus error on all
>
> > of them.  Any other ideas?
>
> Carol,
>
> There's a high chance that the SIGBUS error you get is a GDAL bug
> specific to your CPU. I guess it's a SPARC processor ? If so, there are
> very sensitive to "alignment" problems when dereferencing pointers which
> typically yield to sigbus errors.
>
> I've looked at frmts/nitf/rpftocfile.cpp a bit and I could see one place
> (line
> 138 :  locationSectionPhysicalLocation = *(unsigned int*)tocHeader;)
> that should probably be fixed by replacing it with :
> memcpy(&locationSectionPhysicalLocation, tocHeader, sizeof(int));
>
> If you've built GDAL yourself, you could try making the above change and
> retry.
> If that still doesn't work, you could rebuild GDAL with debug symbols
> (./configure --enable-debug; make clean; make) and run gdalinfo under
> gdb to see where the sigbus arrises.
>
> If that still doesn't work and you want to go forward, you could try
> with a
> x86/x86_64 machine where you won't get the sigbus. But I'm interested in
> getting rid of those sigbus errors, so you're feedback is welcomed.
>
> The error reported previously with CIB had nothing to do with that. It
> was a probably too restrictive consistency check that arrised after
> dataset opening.
> See the following thread :
> http://lists.osgeo.org/pipermail/gdal-dev/2009-August/021572.html
>
> Best regards,
>
> Even
>
> >
> > Thanks,
> >
> > Carol
> > -----Original Message-----
> > From: Even Rouault [mailto:even.rouault at mines-paris.org]
> > Sent: Thursday, September 03, 2009 12:50 PM
> > To: Rydzak, Carol-P28503
> > Cc: gdal-dev at lists.osgeo.org
> > Subject: Re: [gdal-dev] GDAL: How to create one NITF image from CIB CD
> >
> > Selon "Rydzak, Carol-P28503" <Carol.Rydzak at gdc4s.com>:
> >
> > I assume you are using a recent enough GDAL version (>= 1.5.0) that
> > has the RPFTOC driver. If so, gdalinfo on the a.toc should return a
> > list of subdatasets (at least one). You can then select one and
> > translate it to a GeoTIFF. It will mosaic all the underlying NITF
> > tiles. See http://gdal.org/frmt_various.html#RPFTOC for more info.
> >
> > Someone recently reported problems with CIB but I've not heard any
> > news since then. The driver was tested against CADRG datasets but
> > should theoritically work with CIB too.
> >
> > > I am trying to use GDAL utilities (on a Solaris 10 system) against
> > > CIB
> >
> > > files (from a CD) to convert them to a single NITF image.
> > >
> > > When I run gdal_translate, it doesn't seem to accept the a.toc, but
> > > it
> >
> > > does create a one-to-one nitf image for each CIB file the command is
>
> > > run against.
> > >
> > > Is there a GDAL command that takes the table of contents file and
> > > processes all the CIB frames into one NITF image?  Or takes all the
> > > .ntf files that get created and stitches them together into one .ntf
> > image?
> > >
> > >
> > > Thank you,
> > >
> > > Carol Rydzak
> > > General Dynamics C4 Systems
> > > Phone: (480) 441-7405
> > > Email: Carol.Rydzak at gdc4s.com
> > > This email message is for the sole use of the intended recipient(s)
> > > and may contain GDC4S confidential or privileged information. Any
> > > unauthorized review, use, disclosure or distribution is prohibited.
> > > If
> >
> > > you are not an intended recipient, please contact the sender by
> > > reply email and destroy all copies of the original message.
> > >
> > >
> > >
> >
> >
> >
>
>
>