Developer Documentation

TriConnectivity.hh
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41
42
43
44 #ifndef OPENMESH_TRICONNECTIVITY_HH
45 #define OPENMESH_TRICONNECTIVITY_HH
46
47 #include <OpenMesh/Core/Mesh/PolyConnectivity.hh>
48
49 namespace OpenMesh {
50
53 class OPENMESHDLLEXPORT TriConnectivity : public PolyConnectivity
54 {
55 public:
56
57 TriConnectivity() {}
58 virtual ~TriConnectivity() {}
59
60 inline static bool is_triangles()
61 { return true; }
62
66 inline void assign_connectivity(const TriConnectivity& _other)
67 { PolyConnectivity::assign_connectivity(_other); }
68
69 inline void assign_connectivity(const PolyConnectivity& _other)
70 {
71 PolyConnectivity::assign_connectivity(_other);
72 triangulate();
73 }
74
79
88 FaceHandle add_face(const VertexHandle* _vhandles, size_t _vhs_size);
89
98 FaceHandle add_face(const std::vector<VertexHandle>& _vhandles);
99
110 FaceHandle add_face(VertexHandle _vh0, VertexHandle _vh1, VertexHandle _vh2);
111
113
117 inline VertexHandle opposite_vh(HalfedgeHandle _heh) const
118 {
119 return is_boundary(_heh) ? InvalidVertexHandle :
120 to_vertex_handle(next_halfedge_handle(_heh));
121 }
122
126 VertexHandle opposite_he_opposite_vh(HalfedgeHandle _heh) const
127 { return opposite_vh(opposite_halfedge_handle(_heh)); }
128
132
133
138 bool is_collapse_ok(HalfedgeHandle _heh);
139
141 HalfedgeHandle vertex_split(VertexHandle v0, VertexHandle v1,
142 VertexHandle vl, VertexHandle vr);
143
145 bool is_flip_ok(EdgeHandle _eh) const;
146
149 void flip(EdgeHandle _eh);
150
151
163 void split(EdgeHandle _eh, VertexHandle _vh);
164
180 inline void split_edge(EdgeHandle _eh, VertexHandle _vh) { TriConnectivity::split(_eh, _vh); }
181
194 void split_copy(EdgeHandle _eh, VertexHandle _vh);
195
212 inline void split_edge_copy(EdgeHandle _eh, VertexHandle _vh) { TriConnectivity::split_copy(_eh, _vh); }
213
219 inline void split(FaceHandle _fh, VertexHandle _vh)
220 { PolyConnectivity::split(_fh, _vh); }
221
227 inline void split_copy(FaceHandle _fh, VertexHandle _vh)
228 { PolyConnectivity::split_copy(_fh, _vh); }
229
231
232 private:
234 HalfedgeHandle insert_loop(HalfedgeHandle _hh);
236 HalfedgeHandle insert_edge(VertexHandle _vh,
237 HalfedgeHandle _h0, HalfedgeHandle _h1);
238 };
239
240 }
241
242 #endif//OPENMESH_TRICONNECTIVITY_HH
OpenMesh::TriConnectivity::opposite_vh
VertexHandle opposite_vh(HalfedgeHandle _heh) const
Definition: TriConnectivity.hh:117
OpenMesh::VertexHandle
Handle for a vertex entity.
Definition: Handles.hh:120
OpenMesh::TriConnectivity::split
void split(FaceHandle _fh, VertexHandle _vh)
Face split (= 1-to-3) split, calls corresponding PolyMeshT function).
Definition: TriConnectivity.hh:219
OpenMesh::TriConnectivity::split_edge_copy
void split_edge_copy(EdgeHandle _eh, VertexHandle _vh)
Edge split (= 2-to-4 split)
Definition: TriConnectivity.hh:212
OpenMesh::TriConnectivity::assign_connectivity
void assign_connectivity(const TriConnectivity &_other)
Definition: TriConnectivity.hh:66
OpenMesh::TriConnectivity::split
void split(EdgeHandle _eh, VertexHandle _vh)
Edge split (= 2-to-4 split)
Definition: TriConnectivity.cc:387
OpenMesh::TriConnectivity::split_edge
void split_edge(EdgeHandle _eh, VertexHandle _vh)
Edge split (= 2-to-4 split)
Definition: TriConnectivity.hh:180
OpenMesh::HalfedgeHandle
Handle for a halfedge entity.
Definition: Handles.hh:127
OpenMesh::TriConnectivity::split_copy
void split_copy(EdgeHandle _eh, VertexHandle _vh)
Edge split (= 2-to-4 split)
Definition: TriConnectivity.cc:484
OpenMesh::PolyConnectivity::assign_connectivity
void assign_connectivity(const PolyConnectivity &_other)
Definition: PolyConnectivity.hh:391
OpenMesh::TriConnectivity::split_copy
void split_copy(FaceHandle _fh, VertexHandle _vh)
Face split (= 1-to-3) split, calls corresponding PolyMeshT function).
Definition: TriConnectivity.hh:227
OpenMesh::TriConnectivity
Connectivity Class for Triangle Meshes.
Definition: TriConnectivity.hh:53
OpenMesh::FaceHandle
Handle for a face entity.
Definition: Handles.hh:141
OpenMesh::PolyConnectivity::split
void split(FaceHandle _fh, VertexHandle _vh)
Face split (= 1-to-n split).
Definition: PolyConnectivity.cc:1095
OpenMesh::EdgeHandle
Handle for a edge entity.
Definition: Handles.hh:134
OpenMesh::PolyConnectivity
Connectivity Class for polygonal meshes.
Definition: PolyConnectivity.hh:56
OpenMesh::TriConnectivity::opposite_he_opposite_vh
VertexHandle opposite_he_opposite_vh(HalfedgeHandle _heh) const
Definition: TriConnectivity.hh:126
OpenMesh
Definition: MeshItems.hh:59
OpenMesh::PolyConnectivity::split_copy
void split_copy(FaceHandle _fh, VertexHandle _vh)
Face split (= 1-to-n split).
Definition: PolyConnectivity.cc:1138