CGAL 5.4.2 - 2D Arrangements
Arrangement_on_surface_2/io.cpp
// Using the arrangement I/O operators.
#include <fstream>
#include <CGAL/basic.h>
#include <CGAL/IO/Arr_iostream.h>
#include "arr_inexact_construction_segments.h"
#include "arr_print.h"
#include "point_location_utils.h"
int main() {
// Construct the arrangement.
Arrangement arr1;
construct_segments_arr(arr1);
std::cout << "Writing\n";
print_arrangement_size(arr1);
// Write the arrangement to a file.
std::ofstream out_file("arr_ex_io.dat");
out_file << arr1;
out_file.close();
// Read the arrangement from the file.
Arrangement arr2;
std::ifstream in_file("arr_ex_io.dat");
in_file >> arr2;
in_file.close();
std::cout << "Reading\n";
print_arrangement_size(arr2);
return 0;
}