Hi list, I have a TIN file and I wonder if I can convert this file to raster with GRASS. I have the ver. 4.3 Thank you Genaro -- Genaro Martinez-Gutierrez Universidad Autonoma de Baja California Sur Departamento de Geologia Marina Ap. Postal 19-B La Paz, B.C.S. 23080 martingg at uabcs.mx ----------------------