[postgis-devel] Proposing 1.5.0

[Paragon Corporation]

Mark,

I like the proj nad shift files in the postgis/ folder where they are now.
The proj.dll is shared by all the Postgis installs on windows so it only
makes sense to me to have them share the same nadshift files.

Am I missing something here?

Thanks,
Regina

-----Original Message-----
From: postgis-devel-bounces at postgis.refractions.net
[mailto:postgis-devel-bounces at postgis.refractions.net] On Behalf Of Mark
Cave-Ayland
Sent: Wednesday, January 27, 2010 7:41 AM
To: PostGIS Development Discussion
Subject: Re: [postgis-devel] Proposing 1.5.0

Paragon Corporation wrote:

> Will test win32 later today, however I think we concluded the win32 
> was fine.  That issue that came up was because the 1.4+ 
> spatial_ref_sys.sql was wrong and Paul fixed that.
> 
> Is that what you are referring to Mark?

Nope :)

As you know, the Win32 installer includes its own copy of the PROJ.4 DLL
  compiled with the extra NAD datum shift files. In order for the installer
to keep everything inside the PostgreSQL tree (and not cause problems with
other PROJ.4 DLLs installed on people's machines), PostGIS modifies the
search path to include the $sharedir/postgresql/contrib/postgis/proj
directory which is where the grid files with the Win32 installer should be
stored.

Obviously with the recent versioning changes this directory needs to be
changed to $sharedir/postgresql/contrib/postgis-1.5/proj. The previously
attached patch makes this change. You can check by running a
ST_Transform() on a grid-shift transformation with/without the directory
present.


HTH,

Mark.

--
Mark Cave-Ayland - Senior Technical Architect PostgreSQL - PostGIS Sirius
Corporation plc - control through freedom http://www.siriusit.co.uk
t: +44 870 608 0063

Sirius Labs: http://www.siriusit.co.uk/labs
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