OpenMesh
TriConnectivity.hh
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48 
49 #ifndef OPENMESH_TRICONNECTIVITY_HH
50 #define OPENMESH_TRICONNECTIVITY_HH
51 
52 #include <OpenMesh/Core/Mesh/PolyConnectivity.hh>
53 
54 namespace OpenMesh {
55 
58 class OPENMESHDLLEXPORT TriConnectivity : public PolyConnectivity
59 {
60 public:
61 
62  TriConnectivity() {}
63  virtual ~TriConnectivity() {}
64 
65  inline static bool is_triangles()
66  { return true; }
67 
71  inline void assign_connectivity(const TriConnectivity& _other)
73 
74  inline void assign_connectivity(const PolyConnectivity& _other)
75  {
77  triangulate();
78  }
79 
84 
93  FaceHandle add_face(const VertexHandle* _vhandles, size_t _vhs_size);
94 
103  FaceHandle add_face(const std::vector<VertexHandle>& _vhandles);
104 
115  FaceHandle add_face(VertexHandle _vh0, VertexHandle _vh1, VertexHandle _vh2);
116 
118 
123  {
124  return is_boundary(_heh) ? InvalidVertexHandle :
125  to_vertex_handle(next_halfedge_handle(_heh));
126  }
127 
132  { return opposite_vh(opposite_halfedge_handle(_heh)); }
133 
137 
138 
143  bool is_collapse_ok(HalfedgeHandle _heh);
144 
146  HalfedgeHandle vertex_split(VertexHandle v0, VertexHandle v1,
147  VertexHandle vl, VertexHandle vr);
148 
150  bool is_flip_ok(EdgeHandle _eh) const;
151 
154  void flip(EdgeHandle _eh);
155 
156 
168  void split(EdgeHandle _eh, VertexHandle _vh);
169 
181  void split_copy(EdgeHandle _eh, VertexHandle _vh);
182 
188  inline void split(FaceHandle _fh, VertexHandle _vh)
189  { PolyConnectivity::split(_fh, _vh); }
190 
196  inline void split_copy(FaceHandle _fh, VertexHandle _vh)
197  { PolyConnectivity::split_copy(_fh, _vh); }
198 
200 
201 private:
203  HalfedgeHandle insert_loop(HalfedgeHandle _hh);
205  HalfedgeHandle insert_edge(VertexHandle _vh,
206  HalfedgeHandle _h0, HalfedgeHandle _h1);
207 };
208 
209 }
210 
211 #endif//OPENMESH_TRICONNECTIVITY_HH
VertexHandle opposite_vh(HalfedgeHandle _heh) const
Returns the opposite vertex to the halfedge _heh in the face referenced by _heh returns InvalidVertex...
Definition: TriConnectivity.hh:122
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition: MeshItems.hh:64
Connectivity Class for polygonal meshes.
Definition: PolyConnectivity.hh:61
void split(FaceHandle _fh, VertexHandle _vh)
Face split (= 1-to-n split).
Definition: PolyConnectivity.cc:1093
void split_copy(FaceHandle _fh, VertexHandle _vh)
Face split (= 1-to-3) split, calls corresponding PolyMeshT function).
Definition: TriConnectivity.hh:196
void split(FaceHandle _fh, VertexHandle _vh)
Face split (= 1-to-3) split, calls corresponding PolyMeshT function).
Definition: TriConnectivity.hh:188
Connectivity Class for Triangle Meshes.
Definition: TriConnectivity.hh:58
Handle for a halfedge entity.
Definition: Handles.hh:132
void assign_connectivity(const TriConnectivity &_other)
assign_connectivity() methods.
Definition: TriConnectivity.hh:71
Handle for a face entity.
Definition: Handles.hh:146
void assign_connectivity(const PolyConnectivity &_other)
assign_connectivity() method.
Definition: PolyConnectivity.hh:396
Handle for a vertex entity.
Definition: Handles.hh:125
Handle for a edge entity.
Definition: Handles.hh:139
void split_copy(FaceHandle _fh, VertexHandle _vh)
Face split (= 1-to-n split).
Definition: PolyConnectivity.cc:1136
VertexHandle opposite_he_opposite_vh(HalfedgeHandle _heh) const
Returns the opposite vertex to the opposite halfedge of _heh in the face referenced by it returns Inv...
Definition: TriConnectivity.hh:131

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