[gdal-dev] WFS Axis order issue with projected coordinate system

Even Rouault even.rouault at mines-paris.org
Thu Mar 7 00:06:33 PST 2013

Selon Jeremy Palmer <JPalmer at linz.govt.nz>:

> Thanks Even.
> So does this ticket account for this problem?
> http://trac.osgeo.org/gdal/ticket/4329
> Or do changes need to be applied in the WFS driver as well?

The best is that you try and report. I believe this should be sufficient, but
might be wrong. Not sure if the patch still applies cleanly on trunk.

> Yes the ISO/OGC people have made my job very hard here in NZ. As NZ's leading
> geospatial government department LINZ is tasked with pushing OGC standards to
> get interoperability going. But with all of NZ's 50+ projections being
> defined as Northing, Easting it's making it very hard to push with users.
> Because most WFS service talk the highest available version by default, it
> hard to get users to use and understand why they must use version 1.0.0. BTW
> it was a mistake that the axis order was set as North, East for NZ
> projections. In the EPSG submission it was not explicitly specified, rather
> EPSG inferred it!
> ________________________________________
> From: Even Rouault [even.rouault at mines-paris.org]
> Sent: Sunday, 3 March 2013 9:52 p.m.
> To: gdal-dev at lists.osgeo.org
> Cc: Jeremy Palmer
> Subject: Re: [gdal-dev] WFS Axis order issue with projected coordinate system
> >
> >
> > Funny thing is ogrinfo reports the SRS with the correct axis order.
> >
> > Of course I can add "SRSNAME=EPSG:2193" to the URL, but I'd rather the GDAL
> > internals were working correctly.
> This is http://trac.osgeo.org/gdal/ticket/4329
> In short, the WFS/GML drivers can deal with geographic SRS that have
> latitude/longitude ordering and do the coordinate swapping, but not yet for
> projected SRS that have northing/easting ordering.
> The return of the driver is somehow correct.  It reports a SRS in
> northing/easting ordering and presents coordinates in that order. But I agree
> it would be nicer for it to behave like geographic SRS with inverted axis
> order.
> Another way of working around that is to force VERSION=1.0.0, since GeoServer
> only honours EPSG axis order from WFS 1.1.0. Remembers me
> http://dmorissette.blogspot.fr/2012/12/dont-upgrade-to-wms-130-unless-you.html
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