CGAL users discussion list

[Sylvain Pion <>]

Hi Qi !


 a écrit :
> Hi, I'm using Triangulation_cell_base_with_info_3 so that I can augment cells
> with more information, but reading the manual, it says:
> "It provides an easy way to add some user defined information in cells. Note
> that input/output operators discard this additional information."
>
> This statement confuses me, as if input/output iterators discard this
> additional information, does that mean I cannot access the extra information
> when I am using Triangulation_cell_base_with_info_3 with for example a
> hierarchical delaunay triangulation (as below)?
>
> [...]
>
> for (Finite_cells_iteratorI fit=dti.finite_cells_begin();
> fit!=dti.finite_cells_end();++fit)
>         {
>            cout<<(*fit).info.in_model<<endl;  <------compile error here

Try info() with the parenthesis ?
Did you find the the manual or the example program confusing about this?

"input/output operators" in the manual refer to the file reading
and writing routines.

--
Sylvain Pion
INRIA Sophia-Antipolis
Geometrica Project-Team
CGAL, http://cgal.org/