[gdal-dev] ECW/ERS projections

[Pinner, Luke]

Thanks for the response Frank.  The coord system is NSWLAM94
http://spatialreference.org/ref/epsg/3308/ and is supported in more
recent ERMapper releases. I realise that GDAL can't support every
projection under the sun so I'll just work around it. Probably by having
a single GDAL install that I manage and if users want to access that
proj then they can use that install or manage their own.

Regards
Luke

-----Original Message-----
From: Frank Warmerdam [mailto:warmerdam at pobox.com] 
Sent: Wednesday, 28 January 2009 4:47 PM
To: Pinner, Luke
Cc: gdal-dev at lists.osgeo.org
Subject: Re: [gdal-dev] ECW/ERS projections

Pinner, Luke wrote:
> Hi
> 
> What is the best way to enable support for ECW/ERS projections that do
> not have an entry in the GDAL_DATA/ecw_cs.wkt dictionary?
> 
> This projection definition is used by multiple people in my area,
either
> using the gdal utilities or as part of scripts coded using the gdal
> python api.
> 
> I can manually update the ecw_cs.wkt file on my own installation and
add
> the name & wkt (which works fine) but I'd not have to maintain
> modifications to core files over multiple installs. 

Luke,

That is pretty much my suggestion for how to handle it. Is this a
coordinate system that you added locally to ERMapper too?  Or is it
something supported by more recent ERMapper releases, but missing in
GDAL?

Best regards,
-- 
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I set the clouds in motion - turn up   | Frank Warmerdam,
warmerdam at pobox.com
light and sound - activate the windows | http://pobox.com/~warmerdam
and watch the world go round - Rush    | Geospatial Programmer for Rent



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