mirror of https://github.com/CGAL/cgal
49 lines
1.6 KiB
C++
49 lines
1.6 KiB
C++
#include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
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#include <CGAL/Exact_predicates_exact_constructions_kernel.h>
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#include <CGAL/Delaunay_triangulation_2.h>
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#include <CGAL/point_generators_2.h>
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typedef CGAL::Exact_predicates_inexact_constructions_kernel EPIC;
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typedef CGAL::Exact_predicates_exact_constructions_kernel EPEC;
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typedef CGAL::Delaunay_triangulation_2< EPIC > DT2_epic;
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typedef CGAL::Delaunay_triangulation_2< EPEC > DT2_epec;
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typedef CGAL::Cartesian_converter<
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CGAL::Exact_predicates_inexact_constructions_kernel,
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CGAL::Exact_predicates_exact_constructions_kernel > Converter;
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typedef CGAL::Creator_uniform_2<double,EPIC::Point_2> Creator;
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struct Convert_vertex{
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mutable bool first_vertex;
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Convert_vertex():first_vertex(true) {}
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DT2_epec::Vertex operator()(const DT2_epic::Vertex&) const { return DT2_epec::Vertex(); }
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void operator()(const DT2_epic::Vertex& src,DT2_epec::Vertex& tgt) const
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{
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if (!first_vertex)
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tgt.point() = Converter()( src.point() );
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else
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first_vertex=false;
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}
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};
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struct Convert_face{
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DT2_epec::Face operator()(const DT2_epic::Face&) const { return DT2_epec::Face(); }
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void operator()(const DT2_epic::Face&,DT2_epec::Face&) const {}
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};
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int main()
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{
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std::vector< EPIC::Point_2> points;
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CGAL::Random_points_in_disc_2<EPIC::Point_2,Creator> g(1.0);
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CGAL::cpp11::copy_n( g, 600, std::back_inserter(points) );
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DT2_epic dt2_epic;
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dt2_epic.insert(points.begin(), points.end());
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DT2_epec dt2_epec;
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dt2_epec.set_infinite_vertex(
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dt2_epec.tds().copy_tds( dt2_epic.tds(),dt2_epic.infinite_vertex(), Convert_vertex(), Convert_face() ) );
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CGAL_assertion( dt2_epec.is_valid() );
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}
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