[R-sig-Geo] no proj_defs.dat file in PROJ.4 files message when using rgdal

[Wall, Wade A ERDC-RDE-CERL-IL CIV]

Thanks. PROJ_LIB now provides the link and when I load rgdal, the path to the PROJ.4 shared files is recognized. However, I still receive the warning: No proj_defs.dat in PROJ.4 shared files.

I edited my .bashrc  with PROJ_LIB=/p/bin/proj4/share/proj. This folder contains proj_defs.dat, as well as a duplicate file called proj_def.dat because I have seen the file named both ways.

I also changed PROJ_LIB to /p/bin/proj4/share and copied proj_defs.dat to that location. Still not sure how to get rgdal to recognize the prof_defs.dat file

-----Original Message-----
From: Roger Bivand [mailto:Roger.Bivand at nhh.no] 
Sent: Friday, August 12, 2016 9:15 AM
To: Wall, Wade A ERDC-RDE-CERL-IL CIV <Wade.A.Wall at erdc.dren.mil>
Cc: r-sig-geo at r-project.org
Subject: Re: [R-sig-Geo] no proj_defs.dat file in PROJ.4 files message when using rgdal

On Fri, 12 Aug 2016, Wall, Wade A ERDC-RDE-CERL-IL CIV wrote:

> Hi all,
>
> I am using R on a high performance Linux cluster and had to build 
> gdal,
> proj4 (version 4.9.2), and rgdal from source. I had to install proj.4 
> in a non-standard location (/p/bin/proj4) and this appears to be 
> causing some problems.
>
> I modified my $PATH variable to include /p/bin/proj4; 
> /p/bin/proj4/lib;/p/bin/proj4/share/proj

No, not $PATH for anything other than executables. You may need a different path for the shared objects. For the PROJ shared files, set PROJ_LIB, which should be respected.

Roger

>
> I installed rgdal using the following command
>
> Install.packages("rgdal",configure.args =
> c("--with-project-include=/p/bin/proj4/include","--with-proj-lib=/p/bi
> n/proj4/lib","--with-proj-share=/p/bin/proj4/share/proj"))
>
> When I load rgdal, the path to gdal is displayed, but the path to 
> proj4 says "(autodetected)".
>
> However, I receive the message "rgdal::checkCRSArgs:: no proj_defs.dat 
> in PROJ.4 shared files" when I try to use the raster() function from 
> the raster package.
>
> I have verified that proj_def.dat is in /p/bin/proj4/share/proj. I 
> have also tried placing it in other locations.
>
> Any suggestions on how  I can get rgdal to find the proj_def.dat file(s)?
>
> Wade
>
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--
Roger Bivand
Department of Economics, Norwegian School of Economics, Helleveien 30, N-5045 Bergen, Norway.
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