Hello, I need to output DEM raster files to points in order to use NAD2NAD program. Could you advise how to do that? Thanks in advance -- Helena Voinov University of Maryland Institute for Ecological Economics Center for Environmental and Estuarine Studies P.O. Box 38, Solomons, MD 20688 TEL: (410) 326 7248 FAX: (410) 326 7354 e-mail: helena at cbl.cees.edu