[Proj] Finding PROJ_LIB from application

[Frank Warmerdam]

Roger Bivand wrote:
> Hi,
> 
> Is there any way to query the system for the path to lib - effectively the 
> path value in sysname in pj_open_lib.c, line 184? From inside R, I'd like 
> to be able to show which path is being used.

Roger,

No, I do not believe there is any way to to do this.  You can set the
PROJ_DEBUG environment variable (to any value) to see some debug output
to stderr when pj_open_lib() tries to open files but I don't imagine that
gives what you want.

Best regards,
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