CGAL 5.6.3 - Scale-Space Surface Reconstruction

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Scale_space_reconstruction_3/scale_space_advancing_front.cpp
#include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
#include <CGAL/Point_set_3.h>
#include <CGAL/Scale_space_surface_reconstruction_3.h>
#include <CGAL/Scale_space_reconstruction_3/Advancing_front_mesher.h>
#include <CGAL/Scale_space_reconstruction_3/Jet_smoother.h>
#include <CGAL/Timer.h>
#include <fstream>
#include <iostream>
typedef CGAL::Exact_predicates_inexact_constructions_kernel Kernel;
typedef CGAL::Scale_space_surface_reconstruction_3<Kernel> Reconstruction;
typedef CGAL::Scale_space_reconstruction_3::Advancing_front_mesher<Kernel> Mesher;
typedef CGAL::Scale_space_reconstruction_3::Jet_smoother<Kernel> Smoother;
typedef Kernel::Point_3 Point;
typedef CGAL::Point_set_3<Point> Point_set;
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;
Point_set points;
if(!CGAL::IO::read_point_set(fname, 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.points().begin(), points.points().end());
reconstruct.increase_scale<Smoother> (4);
reconstruct.reconstruct_surface (Mesher (0.5));
std::cerr << "done in " << t.time() << " sec." << std::endl;
t.reset();
std::ofstream out ("out.off");
out << "OFF" << std::endl << points.size() << " " << reconstruct.number_of_facets() << " 0" << std::endl;
for (Point_set::iterator it = points.begin(); it != points.end(); ++ it)
out << points.point(*it) << std::endl;
for (Reconstruction::Facet_iterator it = reconstruct.facets_begin();
it != reconstruct.facets_end(); ++ it)
out << "3 " << (*it)[0] << " " << (*it)[1] << " " << (*it)[2] << std::endl;
std::cerr << "Writing result in " << t.time() << " sec." << std::endl;
std::cerr << "Done." << std::endl;
return EXIT_SUCCESS;
}
CGAL::Exact_predicates_inexact_constructions_kernel
CGAL::Scale_space_reconstruction_3::Advancing_front_mesher
Surface mesher for scale space reconstruction based on CGAL::Advancing_front_surface_reconstruction.
Definition: Advancing_front_mesher.h:45
CGAL::Scale_space_reconstruction_3::Jet_smoother
Smoother for scale space reconstruction based on CGAL::jet_smooth_point_set().
Definition: Jet_smoother.h:53
CGAL::Scale_space_surface_reconstruction_3
computes a triangulated surface mesh interpolating a point set.
Definition: Scale_space_surface_reconstruction_3.h:48
Kernel::Point_3
Kernel