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Sun, Aug 11, 03:20

platonic.cc
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// Platonic solids example code
//
// Author : Chris H. Rycroft (LBL / UC Berkeley)
// Email : chr@alum.mit.edu
// Date : August 30th 2011
#include "voro++.hh"
using namespace voro;
// Golden ratio constants
const double Phi=0.5*(1+sqrt(5.0));
const double phi=0.5*(1-sqrt(5.0));
int main() {
voronoicell v;
// Create a tetrahedron
v.init(-2,2,-2,2,-2,2);
v.plane(1,1,1);
v.plane(1,-1,-1);
v.plane(-1,1,-1);
v.plane(-1,-1,1);
v.draw_gnuplot(0,0,0,"tetrahedron.gnu");
// Create a cube. Since this is the default shape
// we don't need to do any plane cutting.
v.init(-1,1,-1,1,-1,1);
v.draw_gnuplot(0,0,0,"cube.gnu");
// Create an octahedron
v.init(-2,2,-2,2,-2,2);
v.plane(1,1,1);
v.plane(-1,1,1);
v.plane(1,-1,1);
v.plane(-1,-1,1);
v.plane(1,1,-1);
v.plane(-1,1,-1);
v.plane(1,-1,-1);
v.plane(-1,-1,-1);
v.draw_gnuplot(0,0,0,"octahedron.gnu");
// Create a dodecahedron
v.init(-2,2,-2,2,-2,2);
v.plane(0,Phi,1);
v.plane(0,-Phi,1);
v.plane(0,Phi,-1);
v.plane(0,-Phi,-1);
v.plane(1,0,Phi);
v.plane(-1,0,Phi);
v.plane(1,0,-Phi);
v.plane(-1,0,-Phi);
v.plane(Phi,1,0);
v.plane(-Phi,1,0);
v.plane(Phi,-1,0);
v.plane(-Phi,-1,0);
v.draw_gnuplot(0,0,0,"dodecahedron.gnu");
// Create an icosahedron
v.init(-2,2,-2,2,-2,2);
v.plane(1,1,1);
v.plane(-1,1,1);
v.plane(1,-1,1);
v.plane(-1,-1,1);
v.plane(1,1,-1);
v.plane(-1,1,-1);
v.plane(1,-1,-1);
v.plane(-1,-1,-1);
v.plane(0,phi,Phi);
v.plane(0,phi,-Phi);
v.plane(0,-phi,Phi);
v.plane(0,-phi,-Phi);
v.plane(Phi,0,phi);
v.plane(Phi,0,-phi);
v.plane(-Phi,0,phi);
v.plane(-Phi,0,-phi);
v.plane(phi,Phi,0);
v.plane(phi,-Phi,0);
v.plane(-phi,Phi,0);
v.plane(-phi,-Phi,0);
v.draw_gnuplot(0,0,0,"icosahedron.gnu");
}

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