mirror of https://github.com/CGAL/cgal
116 lines
2.9 KiB
C++
116 lines
2.9 KiB
C++
#ifdef CGAL_NEF3_USE_LEDA_INTEGER
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#include <CGAL/leda_integer.h>
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typedef leda_integer NT;
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#endif
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#ifdef CGAL_NEF3_USE_GMPZ
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#include <CGAL/Gmpz.h>
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typedef CGAL::Gmpz NT;
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#endif
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#ifdef CGAL_NEF3_USE_LAZY_EXACT_NT
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#include <CGAL/Lazy_nt>
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typedef CGAL::Lazy_nt<NT> RT;
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#else
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typedef NT RT;
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#endif
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#ifdef CGAL_NEF3_USE_SIMPLE_HOMOGENEOUS
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#include <CGAL/Simple_homogeneous.h>
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typedef CGAL::Simple_homogeneous<RT> Kernel;
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#endif
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#ifdef CGAL_NEF3_USE_HOMOGENEOUS
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#include <CGAL/Homogeneous.h>
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typedef CGAL::Homogeneous<RT> Kernel;
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#endif
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#ifdef CGAL_NEF3_USE_FILTERED_HOMOGENEOUS_3
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#include <CGAL/Filtered_homogeneous_3.h>
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typedef CGAL::Filtered_homogeneous_3<RT> Kernel;
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#endif
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#ifdef CGAL_NEF3_USE_EXTENDED_HOMOGENEOUS
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#include <CGAL/Extended_homogeneous.h>
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typedef CGAL::Extended_homogeneous<RT> Kernel;
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#endif
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#ifdef CGAL_NEF3_USE_LEDA_RATIONAL
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#include <CGAL/leda_rational.h>
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typedef leda_rational NT;
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#endif
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#ifdef CGAL_NEF3_USE_GMPQ
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#include <CGAL/Gmpq.h>
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typedef CGAL::Gmpq NT;
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#endif
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#ifdef CGAL_NEF3_USE_SIMPLE_CARTESIAN
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#include <CGAL/Simple_cartesian.h>
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typedef CGAL::Simple_cartesian<NT> Kernel;
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#endif
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#ifdef CGAL_NEF3_USE_CARTESIAN
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#include <CGAL/Cartesian.h>
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typedef CGAL::Cartesian<NT> Kernel;
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#endif
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#ifdef CGAL_NEF3_USE_EXTENDED_CARTESIAN
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#include <CGAL/Extended_cartesian.h>
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typdef CGAL::Extended_cartesian<NT> Kernel;
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#endif
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#include <CGAL/basic.h>
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#include <CGAL/Nef_polyhedron_3.h>
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#include <CGAL/IO/Nef_polyhedron_iostream_3.h>
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typedef CGAL::Nef_polyhedron_3<Kernel> Nef_polyhedron;
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typedef Nef_polyhedron::Vector_3 Vector_3;
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typedef Nef_polyhedron::Aff_transformation_3 Aff_transformation_3;
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typedef Nef_polyhedron::Vertex_const_iterator Vertex_const_iterator;
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bool cgal_nef3_timer_on = false;
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RT x_max,y_max,z_max;
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void transform_form(const Nef_polyhedron& N, Nef_polyhedron& F) {
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Vertex_const_iterator vi(N.vertices_begin());
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x_max = CGAL_NTS abs(vi->point().hx()/vi->point().hw());
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y_max = CGAL_NTS abs(vi->point().hy()/vi->point().hw());
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z_max = CGAL_NTS abs(vi->point().hz()/vi->point().hw());
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for(;vi != N.vertices_end();++vi) {
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if(CGAL_NTS abs(vi->point().hx()/vi->point().hw()) > x_max)
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x_max = CGAL_NTS abs(vi->point().hx()/vi->point().hw());
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if(CGAL_NTS abs(vi->point().hy()/vi->point().hw()) > y_max)
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y_max = CGAL_NTS abs(vi->point().hy()/vi->point().hw());
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if(CGAL_NTS abs(vi->point().hz()/vi->point().hw()) > z_max)
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z_max = CGAL_NTS abs(vi->point().hz()/vi->point().hw());
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}
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x_max*105/100;
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y_max*105/100;
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z_max*105/100;
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F.transform(Aff_transformation_3(x_max,0,0, 0,y_max,0, 0,0,z_max, 1));
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F.transform(Aff_transformation_3(CGAL::TRANSLATION,Vector_3(0,0,z_max)));
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}
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int main(int argc, char* argv[]) {
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CGAL_assertion(argc==2);
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Nef_polyhedron N,F;
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std::ifstream Fin("centered_cube.nef3");
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Fin >> F;
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std::ifstream Nin(argv[1]);
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Nin >> N;
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transform_form(N,F);
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cgal_nef3_timer_on = true;
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F.difference(N);
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};
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