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/* This file is part of the Gudhi Library. The Gudhi library
* (Geometric Understanding in Higher Dimensions) is a generic C++
* library for computational topology.
*
* Author(s): Vincent Rouvreau
*
* Copyright (C) 2014 INRIA Saclay (France)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
// to construct a Delaunay_triangulation from a OFF file
#include "gudhi/Alpha_shapes/Delaunay_triangulation_off_io.h"
#include "gudhi/Alpha_complex.h"
// to construct a simplex_tree from Delaunay_triangulation
#include "gudhi/graph_simplicial_complex.h"
#include "gudhi/Simplex_tree.h"
#include <CGAL/Delaunay_triangulation.h>
#include <CGAL/Epick_d.h>
#include <CGAL/point_generators_d.h>
#include <CGAL/algorithm.h>
#include <CGAL/assertions.h>
#include <iostream>
#include <iterator>
#include <stdio.h>
#include <stdlib.h>
#include <string>
// Use dynamic_dimension_tag for the user to be able to set dimension
typedef CGAL::Epick_d< CGAL::Dynamic_dimension_tag > K;
typedef CGAL::Delaunay_triangulation<K> T;
// The triangulation uses the default instanciation of the
// TriangulationDataStructure template parameter
void usage(char * const progName) {
std::cerr << "Usage: " << progName << " filename.off" << std::endl;
exit(-1); // ----- >>
}
int main(int argc, char **argv) {
if (argc != 2) {
std::cerr << "Error: Number of arguments (" << argc << ") is not correct" << std::endl;
usage(argv[0]);
}
std::string off_file_name(argv[1]);
// ----------------------------------------------------------------------------
//
// Init of an alpha-complex from a OFF file
//
// ----------------------------------------------------------------------------
Gudhi::alphacomplex::Alpha_complex alpha_complex_from_file(off_file_name);
std::cout << "alpha_complex_from_file.dimension()=" << alpha_complex_from_file.dimension() << std::endl;
std::cout << "alpha_complex_from_file.filtration()=" << alpha_complex_from_file.filtration() << std::endl;
std::cout << "alpha_complex_from_file.num_simplices()=" << alpha_complex_from_file.num_simplices() << std::endl;
std::cout << "alpha_complex_from_file.num_vertices()=" << alpha_complex_from_file.num_vertices() << std::endl;
std::cout << alpha_complex_from_file << std::endl;
return 0;
}
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