[FWTools] Problem with the GetGCPCount of GDAL wrongly returning 0for a JPG file

[Mikael Rittri]

Thanks for your help, Frank. 

I think the problem was simply that we are using version 1.5.2 of GDAL.
The support for TAB-files in the JPEG driver will be included in 1.6.0,
as is mentioned on http://trac.osgeo.org/gdal/wiki/Release/1.6.0-News (Fix #682).

I should have checked that earlier, but gdalinfo could read my JPEG-file 
(and its TAB-file) in FWTools version 2.2.1, and the latest FWTools is 2.2.8, 
so I thought that the TAB-file support for JPEG was old stuff in GDAL.  

I still don't see how gdalinfo works.  But I have finally figured out 
that I can use OGR on the TAB-file instead of GDAL on the JPEG-file,
so that should solve my problems.  (But it is good to know that 
we haven't used GDAL in a wrong way, as I thought). 

Best regards,
--
Mikael Rittri
Carmenta AB
Box 11354
SE-404 28 Göteborg
Visitors: Sankt Eriksgatan 5
SWEDEN
Tel: +46-31-775 57 37
Mob: +46-703-60 34 07 
mikael.rittri at carmenta.com
www.carmenta.com

-----Original Message-----
From: Frank Warmerdam [mailto:warmerdam at pobox.com] 
Sent: den 20 november 2008 17:19
To: Mikael Rittri
Cc: fwtools at lists.maptools.org
Subject: Re: [FWTools] Problem with the GetGCPCount of GDAL wrongly returning 0for a JPG file
< http://lists.maptools.org/pipermail/fwtools/2008-November/001429.html >