CGAL users discussion list

[Andreas Fabri <>]

Hello Suejung,

this is covered in the Hello World programs in
http://www.cgal.org/Manual/last/doc_html/cgal_manual/Introduction/Chapter_main.html

best regards,

andreas


Suejung B. Huh wrote:
> Thanks, Manuel,
>
>
>
> But does anyone have an example code to use "OutputIterator"?
>
> I am not sure how to use
>
> t.finite_incident_cells ( Vertex_handle v, OutputIterator cells)
>
> without ending condition.
>
> Thanks in advance,
>
> -s
>
>
>
>
> On Fri, Oct 9, 2009 at 1:43 AM, Manuel Caroli 
> < <mailto:>> 
> wrote:
>
>     Dear Suejung,
>
>     
>
>  
> <mailto:>
>  wrote:
>     [...]
>
>
>         int main()
>         {
>          Delaunay T;
>
>          std::ifstream in("data/voronoi.cin");
>
>          Point p;
>          while(in >> p){
>            T.insert(p);
>          }
>
>
>
>          cout << "All Cells ----------------------------\n";
>          Cell_iterator cit =T.cells_begin();
>          for ( ; cit !=T.cells_end(); ++cit) {
>            if (! T.is_infinite(cit)) continue;
>
>     note that there is a Finite_cells_iterator that does this automatically
>
>
>            //  T.incident_edges(cit) ?????? <<--- Want to find edges!!!
>
>     I am not sure to understand what you want to do. What do you mean by
>     edges incident to a cell? These are the edges of the cell that you
>     can extract immediately. There is a function incident_edges that
>     gives you the edges incident to a *vertex*. In this case you have to
>     provide it with an output iterator as second argument.
>
>     To understand the internal representation of a triangulation please
>     read chapter 35.1 of the user manual (of CGAL 3.6):
>     
> http://www.cgal.org/Manual/last/doc_html/cgal_manual/Triangulation_3/Chapter_main.html
>     For the available access functions see the reference documentation:
>     
> http://www.cgal.org/Manual/last/doc_html/cgal_manual/Triangulation_3_ref/Class_Triangulation_3.html
>
>     hope this helps
>
>     Manuel
>
>
>
>          }
>
>          return 0;
>         }
>
>
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