[gdal-dev] Patch for GDAL Web Mercator Issue / trac 3962

Even Rouault even.rouault at mines-paris.org
Thu Aug 29 14:23:41 PDT 2013


Le jeudi 29 août 2013 23:05:44, Stefano Iacovella a écrit :
> 2013/8/29 Even Rouault <even.rouault at mines-paris.org>
> 
> > My main question is : how sure are we about the projection name
> > "Mercator_Auxiliary_Sphere" to be the appropriate one for "standard" WKT
> > ? Is
> > there some reference from that ? The fact that ESRI uses it doesn't make
> > it necesserarily a standard (although it can serve as a base if there's
> > no alternative).
> 
> According to http://epsg-registry.org/, not an ISO standard but quite a de
> facto standard, EPSG:3857 is "WGS 84 / Pseudo-Mercator "

Well this is the name of the projected coordinate system. But here we are 
talking more about the projection method (sorry for being pedantic...). The 
EPSG registry would suggest "Popular Visualisation Pseudo-Mercator" for it.

> 
> Kind Regards,
> 
> Stefano
> ---------------------------------------------------
> 41.95581N 12.52854E
> 
> 
> http://www.linkedin.com/in/stefanoiacovella
> 
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