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[tochaf <>]

Thank you for your reply. Yes, I have an example followed by the error
message:

struct K : CGAL::Exact_predicates_inexact_constructions_kernel {};
typedef CGAL::Triangulation_euclidean_traits_xy_3<K>  Gt;
typedef CGAL::Triangulation_vertex_base_2<Gt>             Vb;
typedef CGAL::Triangulation_face_base_2<Gt>               Fb;
typedef CGAL::Triangulation_data_structure_2<Vb,Fb>      Tds;

typedef CGAL::Delaunay_triangulation_2<Gt,Tds>            Delaunay;

CGAL::Delaunay_triangulation_2<Gt,Tds>
PointCloudManip::delaunayTriangulation()
{
        typedef K::Point_3 Point_3;

        std::vector<Point_3> points;

        points.push_back(Point_3(0,0,1));
        points.push_back(Point_3(4,0,1));
        points.push_back(Point_3(0,4,1));
        points.push_back(Point_3(4,4,1));
        points.push_back(Point_3(5,4,1));
          Delaunay dt;
          dt.insert(points.begin(), points.end());
        
          return dt;
}

void PointCloudManip::validate_CBH_Delaunay_Neighbors2(const
CGAL::Delaunay_triangulation_2<Gt,Tds> dt)
{
        const std::string validationCBH 
("/home/aferraz/Bureau/validationCBH.txt");
        ofstream f (validationCBH.c_str(),ios::app);
        typedef Delaunay::Face_handle    Face_handle;
typedef std::vector<std::pair<K::Point_2,K::FT> > Point_coordinates_vector;

K::Point_2 p(0.5,0.3,1);
Point_coordinates_vector coords;
Face_handle start = Face_handle();
CGAL::Triple<std::back_insert_iterator<Point_coordinates_vector>,K::FT,bool>
result=CGAL::natural_neighbor_coordinates_2(dt,p,std::back_inserter(coords),start);
}

The message error is:

(CGAL::Delaunay_triangulation_2<CGAL::Triangulation_euclidean_traits_xy_3<K>,
CGAL::Triangulation_data_structure_2<CGAL::Triangulation_vertex_base_2<CGAL::Triangulation_euclidean_traits_xy_3<K>,
CGAL::Triangulation_ds_vertex_base_2<void> >,
CGAL::Triangulation_face_base_2<CGAL::Triangulation_euclidean_traits_xy_3<K>,
CGAL::Triangulation_ds_face_base_2<void> > > >)’:
/home/aferraz/code/Forest/src/manip/PointCloudManip.cpp:4705: error: no
matching function for call to ‘natural_neighbor_coordinates_2(const
CGAL::Delaunay_triangulation_2<CGAL::Triangulation_euclidean_traits_xy_3<K>,
CGAL::Triangulation_data_structure_2<CGAL::Triangulation_vertex_base_2<CGAL::Triangulation_euclidean_traits_xy_3<K>,
CGAL::Triangulation_ds_vertex_base_2<void> >,
CGAL::Triangulation_face_base_2<CGAL::Triangulation_euclidean_traits_xy_3<K>,
CGAL::Triangulation_ds_face_base_2<void> > > >&,
CGAL::Point_2<CGAL::Filtered_kernel<CGAL::Simple_cartesian<double> > >&,
std::back_insert_iterator<std::vector<std::pair<CGAL::Point_2<CGAL::Filtered_kernel<CGAL::Simple_cartesian<double>
> >, double>,
std::allocator<std::pair<CGAL::Point_2<CGAL::Filtered_kernel<CGAL::Simple_cartesian<double>
> >, double> > > >,
PointCloudManip::validate_CBH_Delaunay_Neighbors2(CGAL::Delaunay_triangulation_2<CGAL::Triangulation_euclidean_traits_xy_3<K>,
CGAL::Triangulation_data_structure_2<CGAL::Triangulation_vertex_base_2<CGAL::Triangulation_euclidean_traits_xy_3<K>,
CGAL::Triangulation_ds_vertex_base_2<void> >,
CGAL::Triangulation_face_base_2<CGAL::Triangulation_euclidean_traits_xy_3<K>,
CGAL::Triangulation_ds_face_base_2<void> > > >)::Face_handle&)’


Thank you

Antonio
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