On Sat, 2007-01-13 at 03:07 +0100, Kristian Thy wrote: > Would it be correct to assume the Mercator projection being used for OSM > is epsg:54004? There isn't a standard EPSG global Mercator projection, but 54004 is a vendor extension code (Cubewerx?) that has gained some currency. Some OSGeo users have been promoting 41001 as well. SDE