[gdal-dev] GDAL and NUTM17 NAD83 datasets.

[Frank Warmerdam]

Daniele Romagnoli wrote:
> Hi list,
> During my tests, I noticed that when using my build of gdal (1.4.4 on 
> windows xp) I can't get a Coordinate System for some specific Datasets.
> As an instance I used gdalinfo from fwtools 2.0.4 on a ECW file and I 
> obtained this Coordinate System (partial copy and paste).
...
> Using "my" gdalinfo I obtain the classic empty string.
> I guess this issue could be Proj4 related (although I'm not really sure 
> about this).
> For this reason I surfed the mailing list and I downloaded the proj4 
> library, I set the PROJ_LIB linking the NAD folder and I added the DLL 
> in the path. (GDAL_DATA has been already set in the past)
> Anyway, the result is the same: empty coordinate system returned. As a 
> parallel experiment, I also tried statically linking the library with 
> the same result.
> 
> Is there some additional operations which fwtools based gdalinfo performs?
> I'm surely wrong somewhere :)
> Any help would be greatly appreciated.

Daniele,

GDAL needs to find the ecw_cs.wkt dictionary file to lookup ECW coordinate
system names.  This is normally found via the GDAL_DATA pointer.  You mention
you have this set, but I am suspecting it is set improperly or perhaps there
is some related sort of error (permissions?).

Best regards,
-- 
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