Now, I know that the map is in a MERCATOR ELLIPSOIDAL projection. But I still don't know how to define the projection. Please help me. Thanks. JJ -- View this message in context: http://osgeo-org.1803224.n2.nabble.com/Question-about-projection-tp6714933p6718306.html Sent from the Mapserver - User mailing list archive at Nabble.com.