C++ (Cpp) Finite_vertices_iterator::point示例

示例#1

文件： Polyhedron_demo_mesh_3_plugin_cgal_code.cpp 项目： NobodyZhou/cgal

 Bbox bbox() const {
     if(isEmpty())
         return Bbox();
     else {
         CGAL::Bbox_3 result = c3t3().triangulation().finite_vertices_begin()->point().bbox();
         for(Tr::Finite_vertices_iterator
             vit = ++c3t3().triangulation().finite_vertices_begin(),
             end = c3t3().triangulation().finite_vertices_end();
             vit != end; ++vit)
         {
             result = result + vit->point().bbox();
         }
         return Bbox(result.xmin(), result.ymin(), result.zmin(),
                     result.xmax(), result.ymax(), result.zmax());
     }
 }

示例#2

void Scene_c3t3_item::compute_bbox() const {
  if (isEmpty())
    _bbox = Bbox();
  else {
    CGAL::Bbox_3 result;
    for (Tr::Finite_vertices_iterator
           vit = ++c3t3().triangulation().finite_vertices_begin(),
           end = c3t3().triangulation().finite_vertices_end();
         vit != end; ++vit)
    {
      if(vit->in_dimension() == -1) continue;
      result = result + vit->point().bbox();
    }
    _bbox = Bbox(result.xmin(), result.ymin(), result.zmin(),
                 result.xmax(), result.ymax(), result.zmax());
  }
}