On Mon, May 25, 2009 at 8:35 PM, g_massa <g_massa at libero.it> wrote: > I think r.mapcalc has all you need for fuzzify; In r.mapcalc, there is the graph() function which might be useful: graph(x,x1,y1[x2,y2..]) convert the x to a y based on points in a graph F Markus