Wow Even - thanks for the fix. Your response on this list amazes me.

I just tested creating FileGDB layers for the NZ CS's again. Most of the common 
ones now work using the EPSG Id :) However I still get failures on these:

2111    PROJCS  NZGD_2000_Wanganui_Circuit
2113    PROJCS  NZGD_2000_Wellington_Circuit
2114    PROJCS  NZGD_2000_Collingwood_Circuit
2125    PROJCS  NZGD_2000_Gawler_Circuit
27215  PROJCS  NZGD_1949_Nelson_Circuit
27216  PROJCS  NZGD_1949_Karamea_Circuit
27222  PROJCS  NZGD_1949_Okarito_Circuit
27227  PROJCS  NZGD_1949_Lindis_Peak_Circuit
27231  PROJCS  NZGD_1949_North_Taieri_Circuit

I checked the ArcGIS WKT definitions and they all have the correct AUTHORITY 
EPSG id set. Maybe a FileGDB API database issue?

Cheers
Jeremy
________________________________________
From: Even Rouault [[email protected]]
Sent: Sunday, 30 September 2012 11:57 p.m.
To: [email protected]
Cc: Jeremy Palmer
Subject: Re: [gdal-dev] Setting CS for FileGDB layers

Le dimanche 30 septembre 2012 09:52:56, Jeremy Palmer a écrit :
> Hi All,
>
> When creating an Esri FileGDB layer the spatial reference system has to be
> defined using the "Esri" WKT definition. Otherwise you get an "General
> function failure" error.
>

See http://trac.osgeo.org/gdal/ticket/4838 for a fix. We can in fact use some
API from Util.h to query the ESRI SRS DB and find the expected ESRI WKT
definition from a EPSG code, or, if the EPSG code is unknown, to iterate over
the ESRI DB SRS until we find a match by comparing the SRS with
OSRSpatialRefrence::IsSame()

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