mirror of https://github.com/CGAL/cgal
59 lines
1.6 KiB
C
59 lines
1.6 KiB
C
// examples/Topological_map/example2.C
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// -----------------------------------
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#include <CGAL/basic.h>
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#include <iostream>
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#include <CGAL/Topological_map_bases.h>
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#include <CGAL/Pm_default_dcel.h>
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#include <CGAL/Topological_map.h>
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class Face_with_info : public CGAL::Tpm_face_base {
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int inf;
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public:
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Face_with_info() : CGAL::Tpm_face_base(), inf(0) {}
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int info() { return inf; }
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void set_info(int i) { inf = i; }
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};
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typedef CGAL::Pm_dcel<CGAL::Tpm_vertex_base,
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CGAL::Tpm_halfedge_base,
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Face_with_info > Dcel;
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typedef CGAL::Topological_map<Dcel> Tpm;
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typedef Tpm::Halfedge_handle Halfedge_handle;
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typedef Tpm::Vertex_handle Vertex_handle;
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typedef Tpm::Face_handle Face_handle;
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int main()
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{
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Tpm t;
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Face_handle uf = t.unbounded_face();
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Halfedge_handle e1 = t.insert_in_face_interior(uf);
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CGAL_assertion(t.is_valid());
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std::cout << "Edge e1 inserted in unbounded face interior" << std::endl;
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Halfedge_handle e2 = t.insert_from_vertex(e1);
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CGAL_assertion(t.is_valid());
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std::cout << "Edge e2 inserted from target vertex of e1" << std::endl;
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Halfedge_handle e3 = t.insert_at_vertices(e2, e1->twin());
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CGAL_assertion(t.is_valid());
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std::cout << "Edge e3 inserted between target vertices of e2 and "
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<< "twin of e1" << std::endl;
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std::cout << std::endl <<"Setting info of the new face to 10" << std::endl;
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Face_handle nf = e3->face();
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nf->set_info(10);
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std::cout << "Unbounded face info = " << uf->info() << std::endl;
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std::cout << "New face info = " << nf->info() << std::endl;
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return 0;
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}
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