CGAL 5.4.5 - Scale-Space Surface Reconstruction
Scale_space_reconstruction_3/scale_space.cpp
#include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
#include <CGAL/Scale_space_surface_reconstruction_3.h>
#include <CGAL/IO/read_points.h>
#include <CGAL/Timer.h>
#include <fstream>
#include <iostream>
typedef Kernel::Point_3 Point;
typedef Reconstruction::Facet_const_iterator Facet_iterator;
int main(int argc, char** argv)
{
// Read the data.
std::string fname = argc==1?CGAL::data_file_path("points_3/kitten.off"):argv[1];
std::cerr << "Reading " << std::flush;
std::vector<Point> points;
if(!CGAL::IO::read_points(fname, std::back_inserter(points)))
{
std::cerr << "Error: cannot read file" << std::endl;
return EXIT_FAILURE;
}
std::cerr << "done: " << points.size() << " points." << std::endl;
std::cerr << "Reconstruction ";
CGAL::Timer t;
t.start();
// Construct the mesh in a scale space.
Reconstruction reconstruct (points.begin(), points.end());
reconstruct.increase_scale(4);
reconstruct.reconstruct_surface();
std::cerr << "done in " << t.time() << " sec." << std::endl;
t.reset();
std::ofstream out ("out.off");
out << reconstruct;
std::cerr << "Writing result in " << t.time() << " sec." << std::endl;
std::cerr << "Done." << std::endl;
return EXIT_SUCCESS;
}