void transform_big(Nef_polyhedron& N,int n, int s) {
Vertex_const_iterator vi(N.vertices_begin());
x_min = vi->point().hx()/vi->point().hw();
x_max = vi->point().hx()/vi->point().hw();
y_min = vi->point().hy()/vi->point().hw();
y_max = vi->point().hy()/vi->point().hw();
z_min = vi->point().hz()/vi->point().hw();
z_max = vi->point().hz()/vi->point().hw();
for(;vi != N.vertices_end();++vi) {
if(vi->point().hx()/vi->point().hw() < x_min)
x_min = vi->point().hx()/vi->point().hw();
if(vi->point().hx()/vi->point().hw() > x_max)
x_max = vi->point().hx()/vi->point().hw();
if(vi->point().hy()/vi->point().hw() < y_min)
y_min = vi->point().hy()/vi->point().hw();
if(vi->point().hy()/vi->point().hw() > y_max)
y_max = vi->point().hy()/vi->point().hw();
if(vi->point().hz()/vi->point().hw() < z_min)
z_min = vi->point().hz()/vi->point().hw();
if(vi->point().hz()/vi->point().hw() > z_max)
z_max = vi->point().hz()/vi->point().hw();
}
// x_min-=(x_min<=0?0:1);
// y_min-=(y_min<=0?0:1);
// z_max+=(z_max<=0?1:0);
N.transform(Aff_transformation_3(CGAL::TRANSLATION, Vector_3(-x_min,-y_min,-z_max)));
N.transform(Aff_transformation_3(CGAL::SCALING, n*s+2,x_max-x_min));
N.transform(Aff_transformation_3(CGAL::TRANSLATION, Vector_3(0,0,s/2)));
}
void transform_form(const Nef_polyhedron& N, Nef_polyhedron& F) {
Vertex_const_iterator vi(N.vertices_begin());
x_max = CGAL_NTS abs(vi->point().hx()/vi->point().hw());
y_max = CGAL_NTS abs(vi->point().hy()/vi->point().hw());
z_max = CGAL_NTS abs(vi->point().hz()/vi->point().hw());
for(; vi != N.vertices_end(); ++vi) {
if(CGAL_NTS abs(vi->point().hx()/vi->point().hw()) > x_max)
x_max = CGAL_NTS abs(vi->point().hx()/vi->point().hw());
if(CGAL_NTS abs(vi->point().hy()/vi->point().hw()) > y_max)
y_max = CGAL_NTS abs(vi->point().hy()/vi->point().hw());
if(CGAL_NTS abs(vi->point().hz()/vi->point().hw()) > z_max)
z_max = CGAL_NTS abs(vi->point().hz()/vi->point().hw());
}
x_max*105/100;
y_max*105/100;
z_max*105/100;
F.transform(Aff_transformation_3(x_max,0,0, 0,y_max,0, 0,0,z_max, 1));
F.transform(Aff_transformation_3(CGAL::TRANSLATION,Vector_3(0,0,z_max)));
}
int main(int argc, char* argv[]) {
assert(argc>1 && argc < 7);
int nx = argc>2 ? std::atoi(argv[2]) : 2;
int ny = argc>3 ? std::atoi(argv[3]) : 2;
int nz = argc>4 ? std::atoi(argv[4]) : 2;
std::ifstream in(argv[1]);
Nef_polyhedron Nin;
in >> Nin;
Nin.transform(Aff_transformation_3(CGAL::SCALING,2,1));
std::ostringstream out1;
ggen g(out1, Nin);
g.print(nx,ny,nz);
std::istringstream in1(out1.str());
Nef_polyhedron N1;
in1 >> N1;
RT s = g.size_x();
N1.transform(Aff_transformation_3(CGAL::TRANSLATION,Vector_3(s,s,s,2)));
CGAL_assertion(N1.is_valid());
std::ostringstream out2;
CGAL::Random r;
if(argc>5) {
tgen t2(out2,s,std::atoi(argv[5]));
t2.create_tetrahedra(nx+1,ny+1,nz+1);
} else {
tgen t2(out2,s);
t2.create_tetrahedra(nx+1,ny+1,nz+1);
}
std::istringstream in2(out2.str());
Nef_polyhedron N2;
in2 >> N2;
CGAL_assertion(N2.is_valid());
cgal_nef3_timer_on = true;
#if defined CGAL_NEF3_UNION
N1.join(N2);
#elif defined CGAL_NEF3_INTERSECTION
N1.intersection(N2);
#elif defined CGAL_NEF3_DIFFERENCE
N1.difference(N2);
#else
N1.symmetric_difference(N2);
#endif
}
void transform_small(Nef_polyhedron& N, int s, int l, int x, int y) {
N.transform(Aff_transformation_3(CGAL::TRANSLATION, Vector_3(-x_min,-y_min,-z_min)));
N.transform(Aff_transformation_3(CGAL::SCALING, s*l, x_max-x_min));
N.transform(Aff_transformation_3(CGAL::TRANSLATION, Vector_3((2*x+1)*s/2,(2*y+1)*s/2,s/4)));
}
int main(int argc, char* argv[]) {
assert(argc>1 && argc < 7);
int nx = argc>2 ? std::atoi(argv[2]) : 2;
int ny = argc>3 ? std::atoi(argv[3]) : 2;
int nz = argc>4 ? std::atoi(argv[4]) : 2;
std::ifstream in(argv[1]);
Nef_polyhedron Nin;
in >> Nin;
Nin.transform(Aff_transformation_3(CGAL::SCALING,2,1));
std::ostringstream out1;
ggen g(out1, Nin);
g.print(nx,ny,nz);
std::istringstream in1(out1.str());
Nef_polyhedron N1;
in1 >> N1;
RT s = g.size_x();
N1.transform(Aff_transformation_3(CGAL::TRANSLATION,Vector_3(s,s,s,2)));
CGAL_assertion(N1.is_valid());
std::ostringstream out2;
CGAL::Random r;
if(argc>5) {
tgen t2(out2,s,std::atoi(argv[5]));
t2.create_tetrahedra(nx+1,ny+1,nz+1);
} else {
tgen t2(out2,s);
t2.create_tetrahedra(nx+1,ny+1,nz+1);
}
std::istringstream in2(out2.str());
Nef_polyhedron N2;
in2 >> N2;
CGAL_assertion(N2.is_valid());
char* dir="nef3/";
char* tetrahedra="tetrahedra";
char* grid="grid";
char* suffix=".nef3";
char* us="_";
char* full_suffix = new char[strlen(argv[2])+strlen(argv[3])+strlen(argv[4])+strlen(argv[5])+strlen(suffix)+5];
strcpy(full_suffix, us);
strcat(full_suffix, argv[2]);
strcat(full_suffix, us);
strcat(full_suffix, argv[3]);
strcat(full_suffix, us);
strcat(full_suffix, argv[4]);
strcat(full_suffix, us);
strcat(full_suffix, argv[5]);
strcat(full_suffix, suffix);
char* full_tetrahedra = new char[strlen(dir)+strlen(tetrahedra)+strlen(full_suffix)+1];
strcpy(full_tetrahedra, dir);
strcat(full_tetrahedra, tetrahedra);
strcat(full_tetrahedra, full_suffix);
std::ofstream out_tetrahedra(full_tetrahedra);
out_tetrahedra << N2;
char* full_grid = new char[strlen(dir)+strlen(grid)+strlen(full_suffix)+1];
strcpy(full_grid, dir);
strcat(full_grid, grid);
strcat(full_grid, full_suffix);
std::ofstream out_grid(full_grid);
out_grid << N1;
}
int main(int argc, char* argv[]) {
assert(argc>1 && argc < 8);
int nx = argc>2 ? std::atoi(argv[2]) : 2;
int ny = argc>3 ? std::atoi(argv[3]) : 2;
int nz = argc>4 ? std::atoi(argv[4]) : 2;
int n = argc>5 ? std::atoi(argv[5]) : 2;
std::ifstream in(argv[1]);
Nef_polyhedron Nin;
in >> Nin;
Nin.transform(Aff_transformation_3(CGAL::SCALING,100,1));
std::ostringstream out1;
ggen g(out1, Nin);
g.print(nx,ny,nz);
std::istringstream in1(out1.str());
Nef_polyhedron N1;
in1 >> N1;
RT s = g.size_x();
N1.transform(Aff_transformation_3(CGAL::TRANSLATION,Vector_3(s,s,s,2)));
CGAL_assertion(N1.is_valid());
std::ostringstream out2;
if(argc>6) {
tgen t2(out2,s,std::atoi(argv[6]));
t2.create_tetrahedra(nx+1,ny+1,nz+1);
} else {
tgen t2(out2,s);
t2.create_tetrahedra(nx+1,ny+1,nz+1);
}
std::istringstream in2(out2.str());
Nef_polyhedron N2;
in2 >> N2;
CGAL_assertion(N2.is_valid());
#if defined CGAL_NEF3_UNION
N1=N1.join(N2);
#elif defined CGAL_NEF3_INTERSECTION
N1=N1.intersection(N2);
#elif defined CGAL_NEF3_DIFFERENCE
N1=N1.difference(N2);
#else
N1=N1.symmetric_difference(N2);
#endif
RT b=s*(nx+1);
N1.transform(Aff_transformation_3(CGAL::TRANSLATION,Vector_3(-b,-b,-b,2)));
CGAL::Timer pl;
pl.start();
Point_source P(CGAL::to_double(b)/2);
for(int i=0;i<n;++i) {
N1.locate(*P++);
}
pl.stop();
std::cout << "Input_size: " << N1.number_of_vertices() << std::endl;
std::cout << "Number_of_point_location_queries: " << n << std::endl;
std::cout << "Total_runtime: " << pl.time() << std::endl;
std::cout << "Runtime_per_query: " << pl.time()/n << std::endl;
}