Ejemplos de halfedges_around_target en C++ (Cpp)

Ejemplo n.º 1

Archivo: incident_vertices.cpp Proyecto: 2php/cgal

OutputIterator
adjacent_vertices_V2(const Polyhedron& g,
                     vertex_descriptor vd,
                     OutputIterator out)
{
  halfedge_around_target_iterator hi, he;
  
  for(boost::tie(hi, he) = halfedges_around_target(halfedge(vd,g),g); hi != he; ++hi)
  {
    *out++ = source(*hi,g);
  }
  return out;
}

Ejemplo n.º 2

Archivo: transform_iterator_lcc.cpp Proyecto: FEniCS/mshr

int main(int, char** argv)
{
  LCC lcc;
  CGAL::read_off(argv[1], lcc);
  GraphTraits::vertex_descriptor vd = *(vertices(lcc).first);

  typedef boost::transform_iterator<Source<LCC>,halfedge_around_target_iterator> adjacent_vertex_iterator; 

  halfedge_around_target_iterator hb,he;
  boost::tie(hb,he) = halfedges_around_target(halfedge(vd,lcc),lcc);
  adjacent_vertex_iterator avib, avie;
  avib = boost::make_transform_iterator(hb, Source<LCC>(lcc));
  avie = boost::make_transform_iterator(he, Source<LCC>(lcc));
  
  std::list<vertex_descriptor> V;
  std::copy(avib,avie, std::back_inserter(V));
  return 0;
}

Ejemplo n.º 3

Archivo: transform_iterator.cpp Proyecto: CGAL/releases

int main(int argc, char** argv)
{ 
  std::ifstream in((argc>1)?argv[1]:"cube.off");
  Polyhedron P;
  in >> P;
  GraphTraits::vertex_descriptor vd = *(vertices(P).first);

  typedef boost::transform_iterator<Source<Polyhedron>,halfedge_around_target_iterator> adjacent_vertex_iterator; 

  halfedge_around_target_iterator hb,he;
  boost::tie(hb,he) = halfedges_around_target(halfedge(vd,P),P);
  adjacent_vertex_iterator avib, avie;
  avib = boost::make_transform_iterator(hb, Source<Polyhedron>(P));
  avie = boost::make_transform_iterator(he, Source<Polyhedron>(P));
  
  std::list<vertex_descriptor> V;
  std::copy(avib,avie, std::back_inserter(V));
  return 0;
}