CGAL users discussion list

[Andreas Fabri <>]

Hello,


Use this one as third template parameter of .._with_info_2

http://doc.cgal.org/latest/Triangulation_2/classCGAL_1_1Constrained__triangulation__face__base__2.html


best,

andreas

On 09/10/2014 15:40, Jack Stalnaker wrote:
> I would like to add additional information to each triangulation face in
> a 2D mesh. I see that's fairly easy in plain triangulation using
> CGAL::Triangulation_face_base_with_info_2 as the face base. However I am
> having difficulty getting this to work for a 2D mesh.
>
> I tried:
>
> typedef CGAL::Triangulation_face_base_with_info_2<int, K> Fbi;
> typedef CGAL::Delaunay_mesh_face_base_2<K,Fbi> Fb;
>
> but I get errors that Fb does not have member function set_constraint. I
> can conclude that this means the default base class for Fb contains
> set_constraint, but that leaves me unclear on how to implement the
> additional information into the face_base. The documentation doesn't
> tell me much. It only tells me what Delaunay_mesh_face_base_2 models,
> not what it inherits from by default. It also tells me that the second
> template parameter just has to be a model of Triangulation_face_base_2,
> which Triangulation_face_base_with_info_2 is. It seems like I've
> satisfied the conditions set forth in the documentation, yet
> set_constraint becomes unavailable when I do. What am I doing wrong?
>
> --Jack

--
Andreas Fabri, PhD
Chief Officer, GeometryFactory
Editor, The CGAL Project

phone: +33.492.954.912    skype: andreas.fabri