Sender: madan@crystal.med.upenn.edu Subject: Re: WSN: Voronoi Polyhedra I have a copy of the Voronoi construction in 2D and 3D program written by Allen and Tildesley ( of Computer Simulation of Liquids ). It is in Fortran. I could look for one in C as well. -Bhupinder Madan Department of Biophysics University of Pennsylvania e-mail: madan@crystal.med.upenn.edu