#include <CGAL/Surface_mesh.h>
#include <CGAL/Curves_on_surface_topology.h>
#include <CGAL/Path_on_surface.h>
#include <CGAL/draw_face_graph_with_paths.h>
typedef CGAL::Exact_predicates_inexact_constructions_kernel Kernel;
typedef Kernel::Point_3 Point_3;
{
for (int i=0; i<3; ++i)
}
{
for (int i=0; i<3; ++i)
}
{
for (int i=0; i<3; ++i)
}
int main(int argc, char* argv[])
{
bool draw=(argc>1?std::string(argv[1])==
"-draw":
false);
std::ifstream in(CGAL::data_file_path("meshes/double-torus-example.off"));
if (!in.is_open())
{
std::cout<<"ERROR reading file data/double-torus.off"<<std::endl;
exit(EXIT_FAILURE);
}
SM sm;
in>>sm;
create_path_1(p1);
create_path_2(p2);
create_path_3(p3);
bool res1=cst.are_base_point_homotopic(p1, p2);
std::cout<<"Path p1 (pink) "<<(res1?"IS":"IS NOT")
<<" base point homotopic with path p2 (green)."<<std::endl;
bool res2=cst.are_base_point_homotopic(p2, p3);
std::cout<<"Path p2 (green) "<<(res2?"IS":"IS NOT")
<<" base point homotopic with path p3 (orange)."<<std::endl;
return EXIT_SUCCESS;
}
The class Curves_on_surface_topology provides methods to compute shortest non contractible cycles and...
Definition: Curves_on_surface_topology.h:13
The class Path_on_surface represents a walk in a mesh which is either a model of CombinatorialMap,...
Definition: Path_on_surface.h:13
void extend_positive_turn(std::size_t nb)
adds the dart/halfedge obtained by turning nb times around the target vertex of the last dart/halfedg...
void extend_negative_turn(std::size_t nb)
adds the dart/halfedge obtained by turning nb times around the target vertex of the last dart/halfedg...
void push_back_by_index(std::size_t i)
adds the dart/halfedge with index i at the end of this path.
void draw(const LCC &alcc)
Definition: Curves_on_surface_topology.h:3