trunk/examples/custom/custom_output.cc

   1 // Custom output example code
   2 //
   3 // Author   : Chris H. Rycroft (LBL / UC Berkeley)
   4 // Email    : chr@alum.mit.edu
   5 // Date     : August 30th 2011
   6
   7 #include "voro++.hh"
   8 using namespace voro;
   9
  10 // Set up constants for the container geometry
  11 const double x_min=-3,x_max=3;
  12 const double y_min=-3,y_max=3;
  13 const double z_min=0,z_max=6;
  14
  15 // Set up the number of blocks that the container is divided
  16 // into.
  17 const int n_x=3,n_y=3,n_z=3;
  18
  19 int main() {
  20
  21         // Create a container with the geometry given above, and make it
  22         // non-periodic in each of the three coordinates. Allocate space for
  23         // eight particles within each computational block.
  24         container con(x_min,x_max,y_min,y_max,z_min,z_max,n_x,n_y,n_z,
  25                         false,false,false,8);
  26
  27         // Import the monodisperse test packing and output the Voronoi
  28         // tessellation in gnuplot and POV-Ray formats.
  29         con.import("pack_six_cube");
  30
  31         // Do a custom output routine to store the number of vertices, edges,
  32         // and faces of each Voronoi cell
  33         con.print_custom(
  34                 "ID=%i, pos=(%x,%y,%z), vertices=%w, edges=%g, faces=%s",
  35                 "packing.custom1");
  36
  37         // Do a custom output routine to store a variety of face-based
  38         // statistics. Store the particle ID and position, the number of faces
  39         // the total face area, the order of each face, the areas of each face,
  40         // the vertices making up each face, and the neighboring particle (or
  41         // wall) corresponding to each face.
  42         con.print_custom("%i %q %s %F %a %f %t %l %n","packing.custom2");
  43
  44         // Do a custom output routine that outputs the particle IDs and
  45         // positions, plus the volume and the centroid position relative to the
  46         // particle center
  47         con.print_custom("%i %q %v %c","packing.custom3");
  48
  49         // Also create POV-Ray output of the Voronoi cells for use in the
  50         // rendering
  51         con.draw_cells_pov("pack_six_cube_v.pov");
  52 }