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#include <fstream>
#include <CGAL/Exact_predicates_exact_constructions_kernel.h>
#include <CGAL/Set_movable_separability_2/Single_mold_translational_casting/pullout_directions.h>
typedef CGAL::Exact_predicates_exact_constructions_kernel Kernel;
typedef CGAL::Polygon_2<Kernel> Polygon_2;
namespace SMS = CGAL::Set_movable_separability_2;
namespace casting = SMS::Single_mold_translational_casting;
// The main program:
int main(int argc, char* argv[])
{
Polygon_2 polygon;
const char* filename = (argc > 1) ? argv[1] : "polygon.dat";
std::ifstream input_file(filename);
if (! input_file.is_open()) {
std::cerr << "Failed to open the " << filename << std::endl;
return -1;
}
input_file >> polygon;
input_file.close();
// Example for pullout_directions_single_mold_translational_casting_2
size_t index(0);
for (auto e_it = polygon.edges_begin(); e_it != polygon.edges_end(); ++e_it,
++index)
{
auto res = casting::pullout_directions(polygon, e_it);
if (res.first) {
std::cout << "The polygon is castable using edge " << index
<< " in range " << res.second.first
<< " to " << res.second.second << std::endl;
}
else {
std::cout << "The polygon is not castable using edge " << index
<< std::endl;
}
}
return 0;
}
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