[postgis-users] google maps projection

[Stephen Woodbridge]

This is the mapserver projection that overlays Google maps

   PROJECTION
     "proj=merc"
     "lat_ts=0.0"
     "lon_0=-90.0"
     "x_0=0.0"
     "y_0=0.0"
     "ellps=GRS80"
     "no_defs"
   END

This is from a thread on the mapserver list.

-Steve

Eric Hanson wrote:
> Anybody know what projection Google maps uses?  I'm trying to 
> superimpose some PostGIS data onto the Google maps base-layer...
> 
> Thanks,
> Eric
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