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Const correctness for shortest non contractible cycle ok.

This commit is contained in:
Guillaume Damiand 2020-04-01 16:51:16 +02:00
parent 4095cda512
commit 7b65cb0004
5 changed files with 32 additions and 33 deletions
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6
Surface_mesh_topology/examples/Surface_mesh_topology/facewidth_on_unweighted_map.cpp
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@ -9,8 +9,8 @@
using LCC_3 =CGAL::Linear_cell_complex_for_combinatorial_map<2, 3>;
using CST =CGAL::Surface_mesh_topology::Curves_on_surface_topology<LCC_3>;
using Path_on_surface=CGAL::Surface_mesh_topology::Path_on_surface<LCC_3>;
using Dart_handle =LCC_3::Dart_handle;
using Path_on_surface =CGAL::Surface_mesh_topology::Path_on_surface<LCC_3>;
using Dart_const_handle=LCC_3::Dart_const_handle;
struct Draw_functor : public CGAL::DefaultDrawingFunctorLCC
{
@ -71,7 +71,7 @@ int main(int argc, char* argv[])
std::cout<<"File '"<<filename<<"' loaded. Finding the facewidth..."<<std::endl;
CST cst(lcc, true);
std::vector<Dart_handle> cycle = cst.compute_facewidth(true);
std::vector<Dart_const_handle> cycle=cst.compute_facewidth(true);
if (cycle.size()==0)
{ std::cout<<" Cannot find such cycle. Stop."<<std::endl; }

27
Surface_mesh_topology/include/CGAL/Curves_on_surface_topology.h
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@ -34,7 +34,8 @@ public:
// Types for shortest noncontractible cycle
using Shortest_noncontractible_cycle=typename internal::Shortest_noncontractible_cycle<Mesh>;
using Facewidth =typename internal::Facewidth<Mesh>;
using Dart_handle =typename Shortest_noncontractible_cycle::Original_dart_const_handle;
using Dart_const_handle =typename Shortest_noncontractible_cycle::Original_dart_const_handle;
using halfedge_descriptor =Dart_const_handle ; // To be compatible with BGL
// Constructor
Curves_on_surface_topology(const Mesh& amesh, bool /* display_time */=false) :
@ -114,28 +115,19 @@ public:
template <class WeightFunctor>
Path_on_surface<Mesh> compute_shortest_noncontractible_cycle_with_basepoint
(Dart_handle dh, const WeightFunctor& wf, bool display_time=false) const
(Dart_const_handle dh, const WeightFunctor& wf, bool display_time=false) const
{
compute_shortest_noncontractible_cycle_representation(display_time);
return m_shortest_noncontractible_cycle->compute_cycle(dh, NULL, wf, display_time);
}
Path_on_surface<Mesh> compute_shortest_noncontractible_cycle_with_basepoint
(Dart_handle dh, bool display_time=false) const
(Dart_const_handle dh, bool display_time=false) const
{
compute_shortest_noncontractible_cycle_representation(display_time);
return m_shortest_noncontractible_cycle->compute_cycle(dh, display_time);
}
bool is_facewidth_representation_computed() const
{ return m_facewidth!=nullptr; }
void compute_facewidth_representation(bool display_time=false) const
{
if (m_facewidth==nullptr)
{ m_facewidth=std::make_unique<Facewidth>(m_original_mesh, display_time); }
}
template <class WeightFunctor>
Path_on_surface<Mesh> compute_edgewidth(const WeightFunctor& wf, bool display_time=false) const
{
@ -149,7 +141,16 @@ public:
return m_shortest_noncontractible_cycle->compute_edgewidth(display_time);
}
std::vector<Dart_handle> compute_facewidth(bool display_time=false) const
bool is_facewidth_representation_computed() const
{ return m_facewidth!=nullptr; }
void compute_facewidth_representation(bool display_time=false) const
{
if (m_facewidth==nullptr)
{ m_facewidth=std::make_unique<Facewidth>(m_original_mesh, display_time); }
}
std::vector<Dart_const_handle> compute_facewidth(bool display_time=false) const
{
compute_facewidth_representation(display_time);
return m_facewidth->compute_facewidth(display_time);

2
Surface_mesh_topology/include/CGAL/Surface_mesh_topology/internal/Facewidth.h
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@ -31,7 +31,7 @@ public:
using Mesh=Mesh_;
using Original_map_wrapper=internal::Generic_map_selector<Mesh>;
using Original_dart_const_handle=typename Original_map_wrapper::Dart_handle_original; // TODO SOLVE const problem with copy
using Original_dart_const_handle=typename Original_map_wrapper::Dart_const_handle_original;
using Local_map =typename Original_map_wrapper::Generic_map;
using Dart_handle =typename Local_map::Dart_handle;

24
Surface_mesh_topology/include/CGAL/Surface_mesh_topology/internal/Generic_map_selector.h
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@ -38,15 +38,15 @@ namespace internal {
struct SNC_for_generalized_map {
using Mesh_original = Mesh_;
using Generic_map = CGAL::Generalized_map<2, Shortest_noncontractible_cycle_local_map_items>;
using Dart_handle_original = typename Mesh_original::Dart_handle;
using Dart_const_handle_original = typename Mesh_original::Dart_const_handle;
using Copy_to_origin_map = boost::unordered_map<typename Generic_map::Dart_handle,
Dart_handle_original>;
using Origin_to_copy_map = boost::unordered_map<Dart_handle_original,
Dart_const_handle_original>;
using Origin_to_copy_map = boost::unordered_map<Dart_const_handle_original,
typename Generic_map::Dart_handle>;
static void copy(Generic_map& target, Mesh_original& source,
Origin_to_copy_map& origin_to_copy, Copy_to_origin_map& copy_to_origin,
static void copy(Generic_map& target, const Mesh_original& source,
Origin_to_copy_map& origin_to_copy,
Copy_to_origin_map& copy_to_origin,
Generic_map::size_type mark_perforated)
{
target.copy(source, &origin_to_copy, &copy_to_origin, true, mark_perforated);
@ -57,14 +57,13 @@ namespace internal {
struct SNC_for_combinatorial_map {
using Mesh_original = Mesh_;
using Generic_map = CGAL::Combinatorial_map<2, Shortest_noncontractible_cycle_local_map_items>;
using Dart_handle_original = typename Mesh_original::Dart_handle;
using Dart_const_handle_original = typename Mesh_original::Dart_const_handle;
using Copy_to_origin_map = boost::unordered_map<typename Generic_map::Dart_handle,
Dart_handle_original>;
using Origin_to_copy_map = boost::unordered_map<Dart_handle_original,
Dart_const_handle_original>;
using Origin_to_copy_map = boost::unordered_map<Dart_const_handle_original,
typename Generic_map::Dart_handle>;
static void copy(Generic_map& target, Mesh_original& source,
static void copy(Generic_map& target, const Mesh_original& source,
Origin_to_copy_map& origin_to_copy, Copy_to_origin_map& copy_to_origin,
Generic_map::size_type mark_perforated)
{
@ -76,14 +75,13 @@ namespace internal {
struct Generic_map_selector {
using Mesh_original = Mesh_;
using Generic_map = CGAL::Combinatorial_map<2, Shortest_noncontractible_cycle_local_map_items>;
using Dart_handle_original = typename boost::graph_traits<Mesh_original>::halfedge_descriptor;
using Dart_const_handle_original = typename boost::graph_traits<Mesh_original>::halfedge_descriptor;
using Copy_to_origin_map = boost::unordered_map<typename Generic_map::Dart_handle,
Dart_handle_original>;
using Origin_to_copy_map = boost::unordered_map<Dart_handle_original,
Dart_const_handle_original>;
using Origin_to_copy_map = boost::unordered_map<Dart_const_handle_original,
typename Generic_map::Dart_handle>;
static void copy(Generic_map& target, Mesh_original& source,
static void copy(Generic_map& target, const Mesh_original& source,
Origin_to_copy_map& origin_to_copy, Copy_to_origin_map& copy_to_origin,
Generic_map::size_type mark_perforated)
{

2
Surface_mesh_topology/include/CGAL/Surface_mesh_topology/internal/Shortest_noncontractible_cycle.h
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@ -43,7 +43,7 @@ public:
using Mesh=Mesh_;
using Original_map_wrapper=internal::Generic_map_selector<Mesh>;
using Original_dart_const_handle=typename Original_map_wrapper::Dart_handle_original; // TODO SOLVE const problem with copy
using Original_dart_const_handle=typename Original_map_wrapper::Dart_const_handle_original;
using Local_map =typename Original_map_wrapper::Generic_map;
using Dart_handle =typename Local_map::Dart_handle;