[Gdal-dev] GDAL-OGR reporting failed to load NAD27-83 correction file

Frank Warmerdam warmerdam at pobox.com
Thu Jul 13 13:42:34 EDT 2006


Jim Graham wrote:
> I have the GDAL library transforming between various projections without a
> problem but when I try to transform between NAD27 and NAD83 I get the
> "failed to load NAD27-83 correction file".  I have the PROJ_LIB
> environmental variable set and the Proj4 library can see the "conus.dat"
> file.  Any ideas?  Anyone?

Jim,

Is your file actually called "conus.dat"?  I think it is supposed to be
called just "conus" with no extension.  If it is conus.lla then it is the
unprocessed ascii version and needs to be run through nad2bin.

Best regards,
-- 
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I set the clouds in motion - turn up   | Frank Warmerdam, warmerdam at pobox.com
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and watch the world go round - Rush    | President OSGF, http://osgeo.org




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