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#include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
#include <CGAL/Polygon_mesh_processing/autorefinement.h>
#include <CGAL/Polygon_mesh_processing/repair_polygon_soup.h>
#include <CGAL/Polygon_mesh_processing/polygon_soup_to_polygon_mesh.h>
#include <CGAL/Polygon_mesh_processing/triangulate_faces.h>
#include <CGAL/IO/polygon_soup_io.h>
#include <CGAL/Real_timer.h>
#include <boost/container/small_vector.hpp>
#include <iostream>
typedef CGAL::Exact_predicates_inexact_constructions_kernel Kernel;
typedef Kernel::Point_3 Point;
namespace PMP = CGAL::Polygon_mesh_processing;
int main(int argc, char** argv)
{
const std::string filename = argc == 1 ? CGAL::data_file_path("meshes/elephant.off")
: std::string(argv[1]);
std::vector<Point> input_points;
std::vector<boost::container::small_vector<std::size_t, 3>> input_triangles;
if (!CGAL::IO::read_polygon_soup(filename, input_points, input_triangles))
{
std::cerr << "Cannot read " << filename << "\n";
return 1;
}
PMP::repair_polygon_soup(input_points, input_triangles);
PMP::triangulate_polygons(input_points, input_triangles);
CGAL::Real_timer t;
t.start();
PMP::autorefine_triangle_soup(input_points, input_triangles,
CGAL::parameters::concurrency_tag(CGAL::Parallel_if_available_tag()));
t.stop();
std::cout << "#points = " << input_points.size() << " and #triangles = " << input_triangles.size() << " in " << t.time() << " sec." << std::endl;
CGAL::IO::write_polygon_soup("autorefined.off", input_points, input_triangles, CGAL::parameters::stream_precision(17));
return 0;
}
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