Stefano,
I think what you need can be found in "r.infer", take a look at it.
Susan Stitt
Biological Resources Division, USGS
susan_stitt@nbs.gov
>From owner-grassu@isis.cecer.army.mil Fri Nov 22 02:41:12 1996
>Return-Path: <owner-grassu@isis.cecer.army.mil>
>X-Authentication-Warning: isis.cecer.army.mil: listserv set sender to grassu using -f
>Date: Fri, 22 Nov 96 10:00:33 +0100
>From: grass@gea (grass4.1)
>To: grassu-list@max.cecer.army.mil
>Subject: Exist an advanced version of r.mapcalc?
>Sender: grassu@pandora.cecer.army.mil
>Reply-To: grassu@cecer.army.mil
>
>Hello.
>
> I ask for a GRASS application like r.mapcalc enable to use loops (statement for) and indexed variables as well as random access to single raster cells (neighborhood modifier statement).
>To thank anyone can help me.
>
>Bye.
>
>Stefano Foramiti
>Last year student
>(Universita' di Venezia)
>e-mail address (host): igor@cidoc.iuav.unive.it
>