42 #ifndef OPENMESH_POLYCONNECTIVITY_HH
43 #define OPENMESH_POLYCONNECTIVITY_HH
45 #include <OpenMesh/Core/Mesh/ArrayKernel.hh>
46 #include <OpenMesh/Core/Mesh/IteratorsT.hh>
47 #include <OpenMesh/Core/Mesh/CirculatorsT.hh>
210 inline static bool is_triangles()
224 {
return new_vertex(); }
233 FaceHandle add_face(
const std::vector<VertexHandle>& _vhandles);
286 void delete_vertex(
VertexHandle _vh,
bool _delete_isolated_vertices =
true);
296 void delete_edge(
EdgeHandle _eh,
bool _delete_isolated_vertices=
true);
308 void delete_face(
FaceHandle _fh,
bool _delete_isolated_vertices=
true);
317 VertexIter vertices_begin();
319 ConstVertexIter vertices_begin()
const;
321 VertexIter vertices_end();
323 ConstVertexIter vertices_end()
const;
326 HalfedgeIter halfedges_begin();
328 ConstHalfedgeIter halfedges_begin()
const;
330 HalfedgeIter halfedges_end();
332 ConstHalfedgeIter halfedges_end()
const;
335 EdgeIter edges_begin();
337 ConstEdgeIter edges_begin()
const;
339 EdgeIter edges_end();
341 ConstEdgeIter edges_end()
const;
344 FaceIter faces_begin();
346 ConstFaceIter faces_begin()
const;
348 FaceIter faces_end();
350 ConstFaceIter faces_end()
const;
590 typename CONTAINER_TYPE,
592 ITER_TYPE (CONTAINER_TYPE::*begin_fn)()
const,
593 ITER_TYPE (CONTAINER_TYPE::*end_fn)()
const>
596 EntityRange(CONTAINER_TYPE &container) : container_(container) {}
597 ITER_TYPE begin() {
return (container_.*begin_fn)(); }
598 ITER_TYPE end() {
return (container_.*end_fn)(); }
601 CONTAINER_TYPE &container_;
650 typename CONTAINER_TYPE,
652 typename CENTER_ENTITY_TYPE,
653 ITER_TYPE (CONTAINER_TYPE::*begin_fn)(CENTER_ENTITY_TYPE)
const,
654 ITER_TYPE (CONTAINER_TYPE::*end_fn)(CENTER_ENTITY_TYPE)
const>
658 CONTAINER_TYPE &container,
659 CENTER_ENTITY_TYPE center) :
660 container_(container), center_(center) {}
661 ITER_TYPE begin() {
return (container_.*begin_fn)(center_); }
662 ITER_TYPE end() {
return (container_.*end_fn)(center_); }
665 CONTAINER_TYPE &container_;
666 CENTER_ENTITY_TYPE center_;
822 return (is_boundary(halfedge_handle(_eh, 0)) ||
823 is_boundary(halfedge_handle(_eh, 1)));
840 return (!(heh.
is_valid() && face_handle(heh).is_valid()));
852 bool is_boundary(
FaceHandle _fh,
bool _check_vertex=
false)
const;
872 {
return face_handle(opposite_halfedge_handle(_heh)); }
914 bool is_simply_connected(
FaceHandle _fh)
const;
1022 const Vertex& deref(
VertexHandle _h)
const {
return vertex(_h); }
1042 struct AddFaceEdgeInfo
1048 std::vector<AddFaceEdgeInfo> edgeData_;
1049 std::vector<std::pair<HalfedgeHandle, HalfedgeHandle> > next_cache_;
1050 uint next_cache_count_;
1056 #endif//OPENMESH_POLYCONNECTIVITY_HH
Iterators::GenericIteratorT< This, This::FaceHandle, ArrayKernel,&This::has_face_status,&This::n_faces > FaceIter
Linear iterator.
Definition: PolyConnectivity.hh:82
EntityRange< const PolyConnectivity, PolyConnectivity::ConstEdgeIter,&PolyConnectivity::edges_begin,&PolyConnectivity::edges_end > ConstEdgeRange
Definition: PolyConnectivity.hh:617
VertexOHalfedgeIter voh_begin(VertexHandle _vh)
vertex - outgoing halfedge circulator
Definition: PolyConnectivity.hh:461
ConstHalfedgeLoopIter chl_begin(HalfedgeHandle _heh) const
const halfedge circulator
Definition: PolyConnectivity.hh:515
FaceIter faces_end()
End iterator for faces.
Definition: PolyConnectivity.cc:699
CirculatorRange< const PolyConnectivity, ConstVertexEdgeIter, VertexHandle,&PolyConnectivity::cve_begin,&PolyConnectivity::cve_end > ConstVertexEdgeRange
Definition: PolyConnectivity.hh:691
ConstVertexRange vertices() const
Definition: PolyConnectivity.hh:628
VertexEdgeIter ve_begin(VertexHandle _vh)
vertex - edge circulator
Definition: PolyConnectivity.hh:464
CirculatorRange< const PolyConnectivity, ConstFaceVertexIter, FaceHandle,&PolyConnectivity::cfv_begin,&PolyConnectivity::cfv_end > ConstFaceVertexRange
Definition: PolyConnectivity.hh:703
CirculatorRange< const PolyConnectivity, ConstFaceHalfedgeIter, FaceHandle,&PolyConnectivity::cfh_begin,&PolyConnectivity::cfh_end > ConstFaceHalfedgeRange
Definition: PolyConnectivity.hh:709
ConstFaceVertexIter cfv_end(FaceHandle _fh) const
const face - vertex circulator
Definition: PolyConnectivity.hh:569
VertexEdgeIter VEIter
Alias typedef.
Definition: PolyConnectivity.hh:187
ConstVertexVertexIter cvv_iter(VertexHandle _vh) const
const vertex circulator
Definition: PolyConnectivity.hh:411
EdgeIter EIter
Alias typedef.
Definition: PolyConnectivity.hh:176
FaceIter ConstFaceIter
Linear iterator.
Definition: PolyConnectivity.hh:87
VertexIter vertices_end()
End iterator for vertices.
Definition: PolyConnectivity.cc:627
HalfedgeLoopIter hl_begin(HalfedgeHandle _heh)
halfedge circulator
Definition: PolyConnectivity.hh:499
ConstVertexOHalfedgeIter cvoh_begin(VertexHandle _vh) const
const vertex - outgoing halfedge circulator
Definition: PolyConnectivity.hh:477
ConstFaceHalfedgeIter cfh_end(FaceHandle _fh) const
const face - halfedge circulator
Definition: PolyConnectivity.hh:572
ConstHalfedgeIter CHIter
Alias typedef.
Definition: PolyConnectivity.hh:180
ConstVertexVertexRange vv_range(VertexHandle _vh) const
Definition: PolyConnectivity.hh:727
HalfedgeLoopIter hl_end(HalfedgeHandle _heh)
face - face circulator
Definition: PolyConnectivity.hh:565
VertexIHalfedgeIter vih_iter(VertexHandle _vh)
vertex - incoming halfedge circulator
Definition: PolyConnectivity.hh:398
bool is_valid() const
The handle is valid iff the index is not equal to -1.
Definition: Handles.hh:70
ConstVertexIHalfedgeIter cvih_iter(VertexHandle _vh) const
const vertex - incoming halfedge circulator
Definition: PolyConnectivity.hh:414
FaceVertexIter fv_begin(FaceHandle _fh)
face - vertex circulator
Definition: PolyConnectivity.hh:487
ConstVertexIHalfedgeIter cvih_begin(VertexHandle _vh) const
const vertex - incoming halfedge circulator
Definition: PolyConnectivity.hh:474
const Halfedge & deref(HalfedgeHandle _h) const
Get item from handle.
Definition: PolyConnectivity.hh:1025
ConstFaceHalfedgeIter cfh_iter(FaceHandle _fh) const
const face - halfedge circulator
Definition: PolyConnectivity.hh:443
ConstFaceVertexIter cfv_begin(FaceHandle _fh) const
const face - vertex circulator
Definition: PolyConnectivity.hh:503
ConstFaceHalfedgeRange fh_range(FaceHandle _fh) const
Definition: PolyConnectivity.hh:775
EdgeIter edges_begin()
Begin iterator for edges.
Definition: PolyConnectivity.cc:663
ConstVertexEdgeIter CVEIter
Alias typedef.
Definition: PolyConnectivity.hh:197
ConstVertexEdgeIter cve_end(VertexHandle _vh) const
const vertex - edge circulator
Definition: PolyConnectivity.hh:546
FaceVertexIter fv_end(FaceHandle _fh)
face - vertex circulator
Definition: PolyConnectivity.hh:553
ConstVertexFaceIter CVFIter
Alias typedef.
Definition: PolyConnectivity.hh:198
CirculatorRange< const PolyConnectivity, ConstVertexIHalfedgeIter, VertexHandle,&PolyConnectivity::cvih_begin,&PolyConnectivity::cvih_end > ConstVertexIHalfedgeRange
Definition: PolyConnectivity.hh:680
HalfedgeIter halfedges_end()
End iterator for halfedges.
Definition: PolyConnectivity.cc:651
Definition: CirculatorsT.hh:221
VertexOHalfedgeIter voh_end(VertexHandle _vh)
vertex - outgoing halfedge circulator
Definition: PolyConnectivity.hh:527
EntityRange< const PolyConnectivity, PolyConnectivity::ConstVertexIter,&PolyConnectivity::vertices_begin,&PolyConnectivity::vertices_end > ConstVertexRange
Definition: PolyConnectivity.hh:607
FaceIter FIter
Alias typedef.
Definition: PolyConnectivity.hh:177
ConstFaceFaceRange ff_range(FaceHandle _fh) const
Definition: PolyConnectivity.hh:791
VertexFaceIter vf_end(VertexHandle _vh)
vertex - face circulator
Definition: PolyConnectivity.hh:533
VertexVertexIter VVIter
Alias typedef.
Definition: PolyConnectivity.hh:184
ConstFaceVertexIter CFVIter
Alias typedef.
Definition: PolyConnectivity.hh:199
FaceFaceIter FFIter
Alias typedef.
Definition: PolyConnectivity.hh:192
Handle for a halfedge entity.
Definition: Handles.hh:121
static const FaceHandle InvalidFaceHandle
Invalid handle.
Definition: PolyConnectivity.hh:66
ConstVertexVertexIter CVVIter
Alias typedef.
Definition: PolyConnectivity.hh:194
CirculatorRange< const PolyConnectivity, ConstFaceEdgeIter, FaceHandle,&PolyConnectivity::cfe_begin,&PolyConnectivity::cfe_end > ConstFaceEdgeRange
Definition: PolyConnectivity.hh:715
ConstFaceEdgeRange fe_range(FaceHandle _fh) const
Definition: PolyConnectivity.hh:783
VertexIter ConstVertexIter
Linear iterator.
Definition: PolyConnectivity.hh:84
FaceFaceIter ff_iter(FaceHandle _fh)
face - face circulator
Definition: PolyConnectivity.hh:436
ConstVertexOHalfedgeIter cvoh_end(VertexHandle _vh) const
const vertex - outgoing halfedge circulator
Definition: PolyConnectivity.hh:543
VertexFaceIter vf_begin(VertexHandle _vh)
vertex - face circulator
Definition: PolyConnectivity.hh:467
VertexEdgeIter ve_end(VertexHandle _vh)
vertex - edge circulator
Definition: PolyConnectivity.hh:530
VertexIHalfedgeIter vih_end(VertexHandle _vh)
vertex - incoming halfedge circulator
Definition: PolyConnectivity.hh:524
EntityRange< const PolyConnectivity, PolyConnectivity::ConstFaceIter,&PolyConnectivity::faces_begin,&PolyConnectivity::faces_end > ConstFaceRange
Definition: PolyConnectivity.hh:622
const Face & deref(FaceHandle _h) const
Get item from handle.
Definition: PolyConnectivity.hh:1029
VertexVertexIter vv_end(VertexHandle _vh)
vertex - vertex circulator
Definition: PolyConnectivity.hh:521
Generic class for iterator ranges.
Definition: PolyConnectivity.hh:655
FaceEdgeIter fe_begin(FaceHandle _fh)
face - edge circulator
Definition: PolyConnectivity.hh:493
FaceHandle opposite_face_handle(HalfedgeHandle _heh) const
returns the face handle of the opposite halfedge
Definition: PolyConnectivity.hh:871
FaceHalfedgeIter fh_end(FaceHandle _fh)
face - halfedge circulator
Definition: PolyConnectivity.hh:556
VertexVertexIter vv_begin(VertexHandle _vh)
vertex - vertex circulator
Definition: PolyConnectivity.hh:455
HalfedgeIter ConstHalfedgeIter
Linear iterator.
Definition: PolyConnectivity.hh:85
VertexEdgeIter ve_iter(VertexHandle _vh)
vertex - edge circulator
Definition: PolyConnectivity.hh:404
FaceHalfedgeIter fh_iter(FaceHandle _fh)
face - halfedge circulator
Definition: PolyConnectivity.hh:430
static const HalfedgeHandle InvalidHalfedgeHandle
Invalid handle.
Definition: PolyConnectivity.hh:62
ConstVertexVertexIter cvv_begin(VertexHandle _vh) const
const vertex circulator
Definition: PolyConnectivity.hh:471
Edge & deref(EdgeHandle _h)
Get item from handle.
Definition: PolyConnectivity.hh:1028
bool is_boundary(HalfedgeHandle _heh) const
Check if the halfedge is at the boundary.
Definition: PolyConnectivity.hh:809
CirculatorRange< const PolyConnectivity, ConstVertexVertexIter, VertexHandle,&PolyConnectivity::cvv_begin,&PolyConnectivity::cvv_end > ConstVertexVertexRange
Definition: PolyConnectivity.hh:674
ConstEdgeRange edges() const
Definition: PolyConnectivity.hh:640
Definition: IteratorsT.hh:82
ConstVertexOHalfedgeRange voh_range(VertexHandle _vh) const
Definition: PolyConnectivity.hh:743
VertexIter vertices_begin()
Begin iterator for vertices.
Definition: PolyConnectivity.cc:615
void assign_connectivity(const ArrayKernel &_other)
ArrayKernel uses the default copy constructor and assignment operator, which means that the connectiv...
Definition: ArrayKernel.cc:69
Definition: CirculatorsT.hh:159
bool is_boundary(HalfedgeHandle _heh) const
Is halfedge _heh a boundary halfedge (is its face handle invalid) ?
Definition: ArrayKernel.hh:358
Connectivity Class for polygonal meshes.
Definition: PolyConnectivity.hh:54
Handle for a edge entity.
Definition: Handles.hh:128
ConstVertexIHalfedgeRange vih_range(VertexHandle _vh) const
Definition: PolyConnectivity.hh:735
EntityRange< const PolyConnectivity, PolyConnectivity::ConstHalfedgeIter,&PolyConnectivity::halfedges_begin,&PolyConnectivity::halfedges_end > ConstHalfedgeRange
Definition: PolyConnectivity.hh:612
ConstFaceEdgeIter CFEIter
Alias typedef.
Definition: PolyConnectivity.hh:201
HalfedgeIter HIter
Alias typedef.
Definition: PolyConnectivity.hh:175
ConstVertexFaceRange vf_range(VertexHandle _vh) const
Definition: PolyConnectivity.hh:759
Face & deref(FaceHandle _h)
Get item from handle.
Definition: PolyConnectivity.hh:1030
ConstFaceRange faces() const
Definition: PolyConnectivity.hh:646
FaceFaceIter ff_end(FaceHandle _fh)
face - face circulator
Definition: PolyConnectivity.hh:562
CirculatorRange< const PolyConnectivity, ConstVertexOHalfedgeIter, VertexHandle,&PolyConnectivity::cvoh_begin,&PolyConnectivity::cvoh_end > ConstVertexOHalfedgeRange
Definition: PolyConnectivity.hh:685
VertexIter vertices_sbegin()
Begin iterator for vertices.
Definition: PolyConnectivity.hh:359
ConstFaceVertexIter cfv_iter(FaceHandle _fh) const
const face - vertex circulator
Definition: PolyConnectivity.hh:440
ConstFaceFaceIter cff_begin(FaceHandle _fh) const
const face - face circulator
Definition: PolyConnectivity.hh:512
FaceVertexIter FVIter
Alias typedef.
Definition: PolyConnectivity.hh:189
VertexOHalfedgeIter VOHIter
Alias typedef.
Definition: PolyConnectivity.hh:185
HalfedgeIter halfedges_begin()
Begin iterator for halfedges.
Definition: PolyConnectivity.cc:639
VertexFaceIter VFIter
Alias typedef.
Definition: PolyConnectivity.hh:188
static const EdgeHandle InvalidEdgeHandle
Invalid handle.
Definition: PolyConnectivity.hh:64
ConstFaceHalfedgeIter CFHIter
Alias typedef.
Definition: PolyConnectivity.hh:200
VertexHandle add_vertex()
Add a new vertex.
Definition: PolyConnectivity.hh:223
ConstFaceEdgeIter cfe_iter(FaceHandle _fh) const
const face - edge circulator
Definition: PolyConnectivity.hh:446
void assign_connectivity(const PolyConnectivity &_other)
assign_connectivity() method.
Definition: PolyConnectivity.hh:215
Mesh kernel using arrays for mesh item storage.
Definition: ArrayKernel.hh:85
ConstVertexEdgeRange ve_range(VertexHandle _vh) const
Definition: PolyConnectivity.hh:751
EdgeHandle EHandle
Alias typedef.
Definition: PolyConnectivity.hh:171
FaceHalfedgeIter fh_begin(FaceHandle _fh)
face - halfedge circulator
Definition: PolyConnectivity.hh:490
VertexOHalfedgeIter voh_iter(VertexHandle _vh)
vertex - outgoing halfedge circulator
Definition: PolyConnectivity.hh:401
FaceIter faces_sbegin()
Begin iterator for faces.
Definition: PolyConnectivity.hh:380
CirculatorRange< const PolyConnectivity, ConstFaceFaceIter, FaceHandle,&PolyConnectivity::cff_begin,&PolyConnectivity::cff_end > ConstFaceFaceRange
Definition: PolyConnectivity.hh:721
ConstFaceFaceIter cff_end(FaceHandle _fh) const
const face - face circulator
Definition: PolyConnectivity.hh:578
FaceEdgeIter FEIter
Alias typedef.
Definition: PolyConnectivity.hh:191
CirculatorRange< const PolyConnectivity, ConstVertexFaceIter, VertexHandle,&PolyConnectivity::cvf_begin,&PolyConnectivity::cvf_end > ConstVertexFaceRange
Definition: PolyConnectivity.hh:697
Vertex & deref(VertexHandle _h)
Get item from handle.
Definition: PolyConnectivity.hh:1024
bool is_boundary(EdgeHandle _eh) const
Is the edge a boundary edge?
Definition: PolyConnectivity.hh:820
FaceHandle FHandle
Alias typedef.
Definition: PolyConnectivity.hh:172
ConstEdgeIter edges_sbegin() const
Const begin iterator for edges.
Definition: PolyConnectivity.hh:376
ConstVertexIter CVIter
Alias typedef.
Definition: PolyConnectivity.hh:179
ConstHalfedgeLoopIter chl_end(HalfedgeHandle _heh) const
const face - face circulator
Definition: PolyConnectivity.hh:581
ConstEdgeIter CEIter
Alias typedef.
Definition: PolyConnectivity.hh:181
Handle for a face entity.
Definition: Handles.hh:135
ConstFaceEdgeIter cfe_begin(FaceHandle _fh) const
const face - edge circulator
Definition: PolyConnectivity.hh:509
bool is_boundary(VertexHandle _vh) const
Is vertex _vh a boundary vertex ?
Definition: PolyConnectivity.hh:837
ConstVertexFaceIter cvf_end(VertexHandle _vh) const
const vertex - face circulator
Definition: PolyConnectivity.hh:549
EdgeIter ConstEdgeIter
Linear iterator.
Definition: PolyConnectivity.hh:86
ConstVertexOHalfedgeIter cvoh_iter(VertexHandle _vh) const
const vertex - outgoing halfedge circulator
Definition: PolyConnectivity.hh:417
ConstVertexOHalfedgeIter CVOHIter
Alias typedef.
Definition: PolyConnectivity.hh:195
ConstVertexIHalfedgeIter cvih_end(VertexHandle _vh) const
const vertex - incoming halfedge circulator
Definition: PolyConnectivity.hh:540
ConstFaceEdgeIter cfe_end(FaceHandle _fh) const
const face - edge circulator
Definition: PolyConnectivity.hh:575
EdgeIter edges_sbegin()
Begin iterator for edges.
Definition: PolyConnectivity.hh:373
FaceVertexIter fv_iter(FaceHandle _fh)
face - vertex circulator
Definition: PolyConnectivity.hh:427
Generic class for vertex/halfedge/edge/face ranges.
Definition: PolyConnectivity.hh:594
FaceFaceIter ff_begin(FaceHandle _fh)
face - face circulator
Definition: PolyConnectivity.hh:496
ConstFaceIter faces_sbegin() const
Const begin iterator for faces.
Definition: PolyConnectivity.hh:383
HalfedgeHandle HHandle
Alias typedef.
Definition: PolyConnectivity.hh:170
VertexIHalfedgeIter VIHIter
Alias typedef.
Definition: PolyConnectivity.hh:186
ConstVertexFaceIter cvf_begin(VertexHandle _vh) const
const vertex - face circulator
Definition: PolyConnectivity.hh:483
FaceEdgeIter fe_iter(FaceHandle _fh)
face - edge circulator
Definition: PolyConnectivity.hh:433
ConstVertexIter vertices_sbegin() const
Const begin iterator for vertices.
Definition: PolyConnectivity.hh:362
ConstHalfedgeRange halfedges() const
Definition: PolyConnectivity.hh:634
HalfedgeIter halfedges_sbegin()
Begin iterator for halfedges.
Definition: PolyConnectivity.hh:366
ConstVertexFaceIter cvf_iter(VertexHandle _vh) const
const vertex - face circulator
Definition: PolyConnectivity.hh:423
ConstVertexEdgeIter cve_iter(VertexHandle _vh) const
const vertex - edge circulator
Definition: PolyConnectivity.hh:420
ConstFaceFaceIter cff_iter(FaceHandle _fh) const
const face - face circulator
Definition: PolyConnectivity.hh:449
ConstFaceVertexRange fv_range(FaceHandle _fh) const
Definition: PolyConnectivity.hh:767
VertexIHalfedgeIter vih_begin(VertexHandle _vh)
vertex - incoming halfedge circulator
Definition: PolyConnectivity.hh:458
VertexIter VIter
Alias typedef.
Definition: PolyConnectivity.hh:174
Handle for a vertex entity.
Definition: Handles.hh:114
Iterators::GenericIteratorT< This, This::EdgeHandle, ArrayKernel,&This::has_edge_status,&This::n_edges > EdgeIter
Linear iterator.
Definition: PolyConnectivity.hh:81
ConstFaceIter CFIter
Alias typedef.
Definition: PolyConnectivity.hh:182
ConstVertexVertexIter cvv_end(VertexHandle _vh) const
const vertex circulator
Definition: PolyConnectivity.hh:537
ConstHalfedgeIter halfedges_sbegin() const
Const begin iterator for halfedges.
Definition: PolyConnectivity.hh:369
FaceEdgeIter fe_end(FaceHandle _fh)
face - edge circulator
Definition: PolyConnectivity.hh:559
ConstFaceHalfedgeIter cfh_begin(FaceHandle _fh) const
const face - halfedge circulator
Definition: PolyConnectivity.hh:506
VertexFaceIter vf_iter(VertexHandle _vh)
vertex - face circulator
Definition: PolyConnectivity.hh:407
VertexVertexIter vv_iter(VertexHandle _vh)
vertex - vertex circulator
Definition: PolyConnectivity.hh:395
ConstVertexIHalfedgeIter CVIHIter
Alias typedef.
Definition: PolyConnectivity.hh:196
FaceIter faces_begin()
Begin iterator for faces.
Definition: PolyConnectivity.cc:687
FaceHalfedgeIter FHIter
Alias typedef.
Definition: PolyConnectivity.hh:190
ConstFaceFaceIter CFFIter
Alias typedef.
Definition: PolyConnectivity.hh:202
const Edge & deref(EdgeHandle _h) const
Get item from handle.
Definition: PolyConnectivity.hh:1027
Halfedge & deref(HalfedgeHandle _h)
Get item from handle.
Definition: PolyConnectivity.hh:1026
ConstVertexEdgeIter cve_begin(VertexHandle _vh) const
const vertex - edge circulator
Definition: PolyConnectivity.hh:480
Iterators::GenericIteratorT< This, This::HalfedgeHandle, ArrayKernel,&This::has_halfedge_status,&This::n_halfedges > HalfedgeIter
Linear iterator.
Definition: PolyConnectivity.hh:80
EdgeIter edges_end()
End iterator for edges.
Definition: PolyConnectivity.cc:675