Moritz Lennert wrote: > Does anybody know of a (freeware) program that offers different ways of dividing data into classes usable for cartography ? > Is there a module in grass that offers this ? r.reclass ? -- Michel Wurtz ENGEES - CEREG 1, quai Koch - BP 1039, F-67070 STRASBOURG cedex Tel: +33 03.88.24.82.45 Fax: +33 03.88.37.04.97