[MS4W-Users] EPSG with 900913 ?

Ben Madin lists at remoteinformation.com.au
Tue Feb 2 23:45:33 EST 2010


Yves,

On 03/02/2010, at 2:52 , Yves Moisan wrote:

> Is there a reason why the EPSG file that comes with MS4W does not have
> the spherical mercator projection :
> 
> <900913> +proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0
> +x_0=0.0 +y_0=0 +k=1.0 +units=m +nadgrids=@null +no_defs

at a guess, because it is not an official EPSG projection... 

I think the 900913 is a clever way of trying to spell google with numbers.

you should / could / might want to check out http://www.spatialreference.org/ or http://www.epsg.org/

cheers

Ben






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