Now, who wants to port it to C? Stephen Lime Data & Applications Manager Minnesota DNR 500 Lafayette Road St. Paul, MN 55155 651-297-2937 >>> PARVILLERS <hugues@parvillers.com> 02/07/02 04:26PM >>> I saw this in an other GIS mailing list . http://www.vividsolutions.com/jts/jtshome.htm