?? create_random_nef_s2.h
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#ifndef NEF_POLYHEDRON_S2_CREATE_RANDOM_H#define NEF_POLYHEDRON_S2_CREATE_RANDOM_H#include <CGAL/random_selection.h>#include <CGAL/point_generators_3.h>#include <CGAL/Nef_polyhedron_S2.h>CGAL_BEGIN_NAMESPACEtemplate <typename K,typename I,typename M>voidcreate_random_Nef_S2(Nef_polyhedron_S2<K,I,M>& P, int n=5, int seed=0) { typedef Nef_polyhedron_S2<K,I,M> Polyhedron; typedef typename Polyhedron::Sphere_circle Sphere_circle; typedef typename K::Point_3 Point_3; typedef typename K::Plane_3 Plane_3; typedef typename K::RT RT; typedef CGAL::Creator_uniform_3<RT,Point_3> Creator; typedef CGAL::Random_points_in_cube_3<Point_3,Creator> Point_source; if(seed == 0) srand(time(0)); else srand(seed); std::list<Sphere_circle> L; Point_source S(5); Point_3 ph; Point_3 o(0,0,0); while ( n-- > 0 ) { do { ph = *S++; } while ( ph == o ); Plane_3 h(o,(ph-CGAL::ORIGIN).direction()); L.push_back( Sphere_circle(h) ); } P = Polyhedron(L.begin(), L.end(), 0.5);}CGAL_END_NAMESPACE#endif // NEF_POLYHEDRON_S2_CREATE_RANDOM_H
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