Hi Camilo, On Thu, Sep 29, 2011 at 12:51 PM, Camilo Polymeris <cpolymeris at gmail.com> wrote: > a "connect-the-boxes"-style GUI (a graph) > http://www.gvsig.com/files/images/screenshots/gvSIG_Sextante_02.png +1, IMHO a modeller GUI like the Sexante one is more user-friendly. Regards. -- Giuseppe Sucameli