AutoCAD Map 3D 2009 Geospatial Platform Reference From AutoCAD Map 3D Geospatial Platform API previous page next page Overview Modules Classes MgCoordinateSystemDatumDictionary GetDatum NewDatum virtual MgCoordinateSystemDatum* MgCoordinateSystemDatumDictionary::GetDatum ( CREFSTRING sName ) [pure virtual] previous page start next page