[postgis-users] Fwd: Location of nadgrid file

[Howard Butler]

Setting PROJ_DEBUG=ON in the shell environment before starting postgres might be instructive. 

On Jan 17, 2013, at 8:11 AM, Jan Hartmann <j.l.h.hartmann at uva.nl> wrote:

> Or perhaps the place in the source code that generates the error message:
> 
> ERROR:  transform: couldn't project point (155000 463000 0): failed to load datum shift file (-38)
> 
> I did several greps on the postgis-2.1.0SVN tree, without any result
> 
> -------- Original Message --------
> Subject:	[postgis-users] Location of nadgrid file
> Date:	Thu, 17 Jan 2013 14:46:08 +0100
> From:	Jan Hartmann <j.l.h.hartmann at uva.nl>
> Reply-To:	PostGIS Users Discussion <postgis-users at lists.osgeo.org>
> To:	<postgis-users at lists.osgeo.org>
> 
> Can anyone tell me where the nadgrids-file, as used by proj4 to apply grid shifts to a projection, should be installed for postgis? I produced one, put it in the standard proj installation directory (/usr/share/proj), and it works from the commandline with cs2cs. However, when I put an entry in the postgis spatial_ref_sys table for a new projection with this nadgrids file, the st_transform command says: "failed to load datum shift file (-38). It also happens when I put in the whole path. What should I do?
> 
> Jan 
> 
> 
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