[Qgis-developer] rm EPSG:900913?

[Tim Sutton]

Hi

On Wed, Jan 18, 2012 at 4:36 PM, Paolo Cavallini <cavallini at faunalia.it> wrote:
> Hi all.
> Can we remove the obsolete 900913 code, and replace it with 3857, both in core and in
> the plugins?
> See below for details.
> All the best, and thanks to Luca Casagrande and Markus Neteler for pointing this out.
> =====

Why don't we keep it around for a while - although its not official it
is in wide popular use and there are many tutorials and other
materials that reference this id.

Regards

Tim

> http://trac.osgeo.org/openlayers/wiki/SphericalMercator
> "SphericalMercator and EPSG aliases
>
> The SphericalMercator projection in OpenLayers uses code epsg:900913. When
> Google started to use the SphericalMercator projection, a corresponding EPSG
> code did not yet exist, so a temporary code '900913' (notice the resemblance
> to the word 'google') was invented. Many other services, such as OpenStreetMap,
> Bing and Yahoo are now also using the same projection, but are not necessarily
> supporting the use of code EPSG:900913. Other codes, such as EPSG:3857 and
> EPSG:102113 were invented. Today, there is an officially registered EPSG code
> 3857 whose projection is identical to EPSG:900913.
> (http://www.epsg-registry.org/export.htm?gml=urn:ogc:def:crs:EPSG::3857)."
> --
> Paolo Cavallini - Faunalia
> www.faunalia.eu
> Full contact details at www.faunalia.eu/pc
> _______________________________________________
> Qgis-developer mailing list
> Qgis-developer at lists.osgeo.org
> http://lists.osgeo.org/mailman/listinfo/qgis-developer



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Tim Sutton - QGIS Project Steering Committee Member (Release  Manager)
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