mirror of https://github.com/CGAL/cgal
127 lines
2.8 KiB
C++
127 lines
2.8 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_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.h>
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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/Nef_polyhedron_3.h>
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#include <CGAL/IO/Nef_polyhedron_iostream_3.h>
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#include <CGAL/Timer.h>
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#include <sstream>
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#include <fstream>
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#include "grid_generator.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 CGAL::grid_generator<Nef_polyhedron> ggen;
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bool cgal_nef3_timer_on = false;
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int main(int argc, char* argv[]) {
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assert(argc>1 && argc < 5);
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int nx = argc>2 ? std::atoi(argv[2]) : 2;
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int ny = argc>3 ? std::atoi(argv[3]) : nx;
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std::ifstream in(argv[1]);
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Nef_polyhedron Nin;
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in >> Nin;
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std::ostringstream out1;
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ggen g(out1, Nin,false);
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g.print(nx,1,1);
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std::istringstream in1(out1.str());
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Nef_polyhedron N1;
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in1 >> N1;
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CGAL_assertion(N1.is_valid());
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Nin.transform(Aff_transformation_3(0,-1,0,
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1,0,0,
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0,0,1,1));
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Nin.transform(Aff_transformation_3(CGAL::TRANSLATION, Vector_3(0,0,1)));
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std::ostringstream out2;
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ggen g2(out2, Nin,false);
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g2.print(1,ny,1);
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std::istringstream in2(out2.str());
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Nef_polyhedron N2;
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in2 >> N2;
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CGAL_assertion(N2.is_valid());
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cgal_nef3_timer_on = true;
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#if defined CGAL_NEF3_UNION
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N1=N1.union(N2);
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#elif defined CGAL_NEF3_INTERSECTION
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N1=N1.intersection(N2);
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#elif defined CGAL_NEF3_DIFFERENCE
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N1=N1.difference(N2);
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#else
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N1=N1.symmetric_difference(N2);
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#endif
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}
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