mirror of https://github.com/CGAL/cgal
110 lines
3.8 KiB
C++
110 lines
3.8 KiB
C++
#define CGAL_SKIN_SURFACE_USE_EXACT_IMPLICIT_SURFACE
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#include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
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#include <CGAL/Skin_surface_3.h>
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#include <CGAL/Polyhedron_3.h>
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#include <CGAL/mesh_skin_surface_3.h>
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#include <CGAL/triangulate_mixed_complex_3.h>
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#include <list>
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#include <string>
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#include <fstream>
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typedef CGAL::Exact_predicates_inexact_constructions_kernel Inexact_K;
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typedef CGAL::Exact_predicates_exact_constructions_kernel Exact_K;
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typedef CGAL::Skin_surface_traits_3<Inexact_K> Traits;
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//typedef CGAL::Skin_surface_traits_3<Inexact_K> Traits;
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typedef CGAL::Skin_surface_3<Traits> Skin_surface;
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typedef Skin_surface::Simplex Simplex;
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typedef Skin_surface::FT FT;
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typedef Skin_surface::Weighted_point Weighted_point;
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typedef Weighted_point::Point Bare_point;
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typedef CGAL::Polyhedron_3<Traits> Polyhedron;
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CGAL::Cartesian_converter<Exact_K,Inexact_K> e2i_converter;
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CGAL::Cartesian_converter<Inexact_K,Exact_K> i2e_converter;
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// Triangulated_mixed_complex:
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typedef Skin_surface::TMC TMC;
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typedef TMC::Vertex_iterator TMC_Vertex_iterator;
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typedef TMC::Cell_iterator TMC_Cell_iterator;
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typedef TMC::Vertex_handle TMC_Vertex_handle;
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typedef TMC::Cell_handle TMC_Cell_handle;
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typedef TMC::Finite_vertices_iterator TMC_Finite_vertices_iterator;
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typedef TMC::Finite_cells_iterator TMC_Finite_cells_iterator;
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#include <fstream>
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class Test_file {
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public:
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Test_file(double shrink) : s(shrink) {
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}
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void operator()(std::string & filename) {
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std::cout << s << " " << filename << std::endl;
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std::ifstream in(filename.c_str());
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std::list<Weighted_point> l;
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double x,y,z,w;
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while (in >> x >> y >> z >> w)
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l.push_front(Weighted_point(Bare_point(x,y,z),w));
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Skin_surface skin_surface(l.begin(), l.end(), s);
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TMC &tmc = skin_surface.triangulated_mixed_complex();
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// CGAL::Triangulated_mixed_complex_observer_3<TMC, Skin_surface>
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// observer(skin_surface.shrink_factor());
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// triangulate_mixed_complex_3(skin_surface.get_regular_triangulation(),
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// skin_surface.shrink_factor(),
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// tmc,
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// observer,
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// false);
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for (TMC_Finite_vertices_iterator vit = tmc.finite_vertices_begin();
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vit != tmc.finite_vertices_end(); vit++) {
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if (tmc.is_infinite(vit->cell())) {
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std::cerr << "ERROR: is_infinite (main)" << std::endl;
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}
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Exact_K::FT val = vit->cell()->info().second->value(vit->point());
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std::list<TMC_Cell_handle> cells;
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tmc.incident_cells(vit, std::back_inserter(cells));
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for (std::list<TMC_Cell_handle>::iterator cell =
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cells.begin();
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cell != cells.end(); cell++) {
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if (!tmc.is_infinite(*cell)) {
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Exact_K::FT val2 = (*cell)->info().second->value(vit->point());
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// NGHK: Make exact:
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//assert(val == val2);
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assert(std::abs(CGAL::to_double(val-val2)) < 1e-8);
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}
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}
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}
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}
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private:
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double s;
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};
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int main(int , char **) {
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std::vector<std::string> filenames;
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filenames.push_back("data/test1.cin");
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filenames.push_back("data/test2.cin");
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filenames.push_back("data/test3.cin");
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filenames.push_back("data/test4.cin");
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filenames.push_back("data/test5.cin");
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filenames.push_back("data/test6.cin");
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filenames.push_back("data/test7.cin");
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filenames.push_back("data/test8.cin");
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filenames.push_back("data/test9.cin");
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filenames.push_back("data/test10.cin");
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filenames.push_back("data/test11.cin");
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filenames.push_back("data/degenerate.cin");
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std::for_each(filenames.begin(), filenames.end(), Test_file(.5));
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std::for_each(filenames.begin(), filenames.end(), Test_file(.85));
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return 0;
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}
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