<xs:complexType name="EX_BoundingPolygon_Type"><xs:annotation><xs:documentation>Boundary enclosing the dataset expressed as the closed set of (x,y) coordinates of the polygon (last point replicates first point)</xs:documentation></xs:annotation><xs:complexContent><xs:extension base="gmd:AbstractEX_GeographicExtent_Type"><xs:sequence><xs:element name="polygon" type="gss:GM_Object_PropertyType" maxOccurs="unbounded"/></xs:sequence></xs:extension></xs:complexContent></xs:complexType>