[PROJ] Am I supposed to get same results with libproj if passing proj4 +proj from/to crs ?

[Sandro Santilli]

On Wed, Nov 10, 2021 at 09:45:07PM +0100, Even Rouault wrote:
> 
> 
> > The question is should PROJ default to PROJ_NETWORK=ON if the
> > PROJ_NETWORK configuration or environment variable is not defined? The
> > current behaviour is that it defaults to OFF behavior.
> 
> When https://proj.org/community/rfc/rfc-4.html was discussed, a few people
> were against automatic network access, hence this default.
> 
> The default can also be changed by tuning proj.ini:
> https://proj.org/resource_files.html#proj-ini

It makes sense to me for it to be OFF by default.
Now I wonder how we could turn it on in PostGIS when not having
access to the PostgreSQL environment (like amazon RDS...).
It screams for a GUC of some sort.

--strk;