mirror of https://github.com/CGAL/cgal
47 lines
1.5 KiB
C++
47 lines
1.5 KiB
C++
#include <CGAL/Gmpz.h>
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#include <CGAL/Homogeneous.h>
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#include <CGAL/Nef_polyhedron_S2.h>
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#include <CGAL/Nef_S2/create_random_Nef_S2.h>
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typedef CGAL::Gmpz RT;
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typedef CGAL::Homogeneous<RT> Kernel;
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typedef CGAL::Nef_polyhedron_S2<Kernel> Nef_polyhedron_S2;
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typedef Nef_polyhedron_S2::SVertex_const_handle SVertex_const_handle;
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typedef Nef_polyhedron_S2::SHalfedge_const_handle SHalfedge_const_handle;
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typedef Nef_polyhedron_S2::SHalfloop_const_handle SHalfloop_const_handle;
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typedef Nef_polyhedron_S2::SFace_const_iterator SFace_const_iterator;
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typedef Nef_polyhedron_S2::SFace_cycle_const_iterator
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SFace_cycle_const_iterator;
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int main() {
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Nef_polyhedron_S2 S;
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CGAL::create_random_Nef_S2(S,5);
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int i=0;
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SFace_const_iterator sf;
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CGAL_forall_sfaces(sf,S) {
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SFace_cycle_const_iterator it;
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std::cout << "the sface cycles of sface " << i++;
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std::cout << " start with an " << std::endl;
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CGAL_forall_sface_cycles_of(it,sf) {
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if (it.is_svertex()) {
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std::cout << " svertex at position ";
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std::cout << SVertex_const_handle(it)->point() << std::endl;
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}
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else if (it.is_shalfedge()) {
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std::cout << " shalfedge from ";
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std::cout << SHalfedge_const_handle(it)->source()->point() << " to ";
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std::cout << SHalfedge_const_handle(it)->target()->point() << std::endl;
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}
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else if (it.is_shalfloop()) {
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std::cout << " shalfloop lying in the plane ";
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std::cout << SHalfloop_const_handle(it)->circle() << std::endl;
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}
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else
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std::cout << "something is wrong" << std::endl;
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}
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}
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return 0;
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}
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