\( \newcommand{\E}{\mathrm{E}} \) \( \newcommand{\A}{\mathrm{A}} \) \( \newcommand{\R}{\mathrm{R}} \) \( \newcommand{\N}{\mathrm{N}} \) \( \newcommand{\Q}{\mathrm{Q}} \) \( \newcommand{\Z}{\mathrm{Z}} \) \( \def\ccSum #1#2#3{ \sum_{#1}^{#2}{#3} } \def\ccProd #1#2#3{ \sum_{#1}^{#2}{#3} }\)

CGAL 4.8 - 3D Boolean Operations on Nef Polyhedra

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Nef_3/nef_3_point_location.cpp
#include <CGAL/Exact_integer.h>
#include <CGAL/Homogeneous.h>
#include <CGAL/Nef_polyhedron_3.h>
#include <CGAL/IO/Nef_polyhedron_iostream_3.h>
typedef CGAL::Homogeneous<CGAL::Exact_integer> Kernel;
typedef CGAL::Nef_polyhedron_3<Kernel> Nef_polyhedron_3;
typedef Kernel::Point_3 Point_3;
int main() {
//We've put the typedefs here as VC7 gives us an ICE if they are global typedefs
typedef Nef_polyhedron_3::Vertex_const_handle Vertex_const_handle;
typedef Nef_polyhedron_3::Halfedge_const_handle Halfedge_const_handle;
typedef Nef_polyhedron_3::Halffacet_const_handle Halffacet_const_handle;
typedef Nef_polyhedron_3::Volume_const_handle Volume_const_handle;
typedef Nef_polyhedron_3::Object_handle Object_handle;
Nef_polyhedron_3 N;
std::cin >> N;
Vertex_const_handle v;
Halfedge_const_handle e;
Halffacet_const_handle f;
Volume_const_handle c;
Object_handle o = N.locate(Point_3(0,0,0));
if(CGAL::assign(v,o))
std::cout << "Locating vertex" << std::endl;
else if(CGAL::assign(e,o))
std::cout << "Locating edge" << std::endl;
else if(CGAL::assign(f,o))
std::cout << "Locating facet" << std::endl;
else if(CGAL::assign(c,o))
std::cout << "Locating volume" << std::endl;
//other cases can not occur
return 0;
}