#ifndef slic3r_Geometry_hpp_
#define slic3r_Geometry_hpp_
#include "Polygon.hpp"
namespace Slic3r {
void convex_hull(Points points, Polygon &hull);
void chained_path(Points &points, std::vector<Points::size_type> &retval, Point start_near);
void chained_path(Points &points, std::vector<Points::size_type> &retval);
}
#endif