[postgis-users] Problem with proj4

[Rémi Cura]

Hey dear users,

I'm trying to define a new srid using a grid
(french RAF09.gtx).

I put this grid in the
/usr/share/proj folder in my Ubuntu 12.04,
now when I want to transform to this srid I get an error saying that this
grid file can't be found.

I found no direct clues in proj4 doc, as I use libproj that is shipped with
postgis.

I guess postgis doesn't know where to find this file, or that this file
exist, how change that?

Any help appreciated.

Cheers,
Rémi-C
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