RhodeCode

            "Nodes are located according to a two-dim gauss distribution",

            gauss_d)

    .optionGroup("dist", "gauss")

//     .mandatoryGroup("dist")

    .onlyOneGroup("dist")

    .boolOption("eps", "Also generate .eps output (prefix.eps)")

    .boolOption("dir", "Directed digraph is generated (each arcs are replaced by two directed ones)")

    .boolOption("2con", "Create a two connected planar digraph")

    .optionGroup("alg","2con")

    .boolOption("tree", "Create a min. cost spanning tree")

    .optionGroup("alg","tree")

    .boolOption("tsp", "Create a TSP tour")

    tlen+=sqrt((coords[g.v(e)]-coords[g.u(e)]).normSquare());

  std::cout << "Total arc length  : " << tlen << std::endl;

  if(ap["eps"])

    graphToEps(g,prefix+".eps").scaleToA4().

      scale(600).nodeScale(.005).arcWidthScale(.001).preScale(false).

  if(ap["dir"])

    DigraphWriter<ListGraph>(g,prefix+".lgf").

      nodeMap("coordinates_x",scaleMap(xMap(coords),600)).

      nodeMap("coordinates_y",scaleMap(yMap(coords),600)).

      run();