[Gdal-dev] Failed to load NAD27-83 correction file

[Craig Aumann]

Thanks!  

I see I was looking in the wrong file...

On Thu, 2006-02-09 at 18:34 -0500, Ed McNierney wrote:
> Craig -
> 
> The EPSG codes for UTM Zone 12 NAD27 and UTM Zone 12 NAD83 are 26712 and
> 26912, respectively.  Those are the values you should be using in your
> s_srs and t_srs parameters.
> 
> 	- Ed
> 
> Ed McNierney
> President and Chief Mapmaker
> TopoZone.com / Maps a la carte, Inc.
> 73 Princeton Street, Suite 305
> North Chelmsford, MA  01863
> Phone: +1 (978) 251-4242
> Fax: +1 (978) 251-1396
> ed at topozone.com 
> 
> -----Original Message-----
> From: Craig Aumann [mailto:caumann at ualberta.ca] 
> Sent: Thursday, February 09, 2006 6:17 PM
> To: Ed McNierney
> Cc: gdal-dev at lists.maptools.org
> Subject: RE: [Gdal-dev] Failed to load NAD27-83 correction file
> 
> Thanks!
> 
> I just need to go from UTM NAD27 to NAD 83.  Both are zone 12.  I
> believe the NAD83 is GRS 80 as well. The area is NE Alberta. 
> 
> Cheers!
> Craig
> 
> 
> 
> 
> On Thu, 2006-02-09 at 17:05 -0500, Ed McNierney wrote:
> > Craig -
> > 
> > That error generally means that the required correction file can't be 
> > found.  This is because either (a) the NAD grid shift files are not 
> > installed properly, or (b) you are requesting a conversion for an area
> 
> > outside the valid(installed) grid shift domains.
> > 
> > Those extents don't make sense as EPSG:4267 input values.  A part of 
> > the conversion being attempted is to do a NAD datum shift with a 
> > longitude of 373369 and a latitude of 6127595.  I believe the logic in
> 
> > PROJ will permit those to be loaded (they may be clipped to "sane" 
> > values, I'm not
> > sure) and then PROJ will find that there is no valid grid shift file 
> > available for that "location".
> > 
> > What is the correct input and desired output projection, and what is 
> > the desired output extent in units of the output projection?
> > 
> > 	- Ed
> > 
> > Ed McNierney
> > President and Chief Mapmaker
> > TopoZone.com / Maps a la carte, Inc.
> > 73 Princeton Street, Suite 305
> > North Chelmsford, MA  01863
> > Phone: +1 (978) 251-4242
> > Fax: +1 (978) 251-1396
> > ed at topozone.com
> > 
> > -----Original Message-----
> > From: gdal-dev-bounces at lists.maptools.org
> > [mailto:gdal-dev-bounces at lists.maptools.org] On Behalf Of Craig Aumann
> > Sent: Thursday, February 09, 2006 4:37 PM
> > To: gdal-dev at lists.maptools.org
> > Subject: [Gdal-dev] Failed to load NAD27-83 correction file
> > 
> > Trying to re-project in gdalwarp.  What is required to get around this
> 
> > error?
> > 
> > gdalwarp -s_srs EPSG:4267 -t_srs EPSG:4269 -te 373369 6127595 374393
> > 6128619  -tr 1 1 -ts 1024 1024 -rb $TEMPDIR/$FILE.temp.tif 
> > $TEMPDIR/extract.tif ERROR 1: failed to load NAD27-83 correction file 
> > ERROR 1: GDALSuggestedWarpOutput() failed because the passed 
> > transformer failed.
> > 
> > I'm running Linux with:
> > 
> > > rpm -q gdal
> > gdal-1.3.0-2
> > > rpm -q proj
> > proj-4.4.9-1.fc4
> > 
> > Cheers!
> > Craig
> > --
> > CW-405 Biological Sciences Blding
> > University of Alberta
> > Edmonton AB
> > T6G 2E9
> > Phone: 780-492-1289
> > Fax:   780-492-9234
> > 
> > 
> > _______________________________________________
> > Gdal-dev mailing list
> > Gdal-dev at lists.maptools.org
> > http://lists.maptools.org/mailman/listinfo/gdal-dev
> > 
> --
> CW-405 Biological Sciences Blding
> University of Alberta
> Edmonton AB
> T6G 2E9
> Phone: 780-492-1289
> Fax:   780-492-9234
> 
> 
> 
-- 
CW-405 Biological Sciences Blding
University of Alberta
Edmonton AB
T6G 2E9
Phone: 780-492-1289
Fax:   780-492-9234