Gus Wirth wrote:
Very few maps are based on satellite photos. Most maps start as photos from a low-level flyover in a light plane. Tracy can elaborate. Then all that has to be pieced together, scaled appropriately, rendered to the cartoon, labeled and verified.
Here's an interesting twist. Maps built on GPS traces. <http://www.openstreetmap.org/wiki/index.php/Places> -ajb -- [email protected] http://www.kernel-panic.org/cgi-bin/mailman/listinfo/kplug-list
