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TriConnectivity.hh
1 /*===========================================================================*\
2 * *
3 * OpenMesh *
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17 * or inline functions from this file, or you compile this file and *
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33 \*===========================================================================*/
34
35 /*===========================================================================*\
36 * *
37 * $Revision: 990 $ *
38 * $Date: 2014-02-05 10:01:07 +0100 (Mi, 05. Feb 2014) $ *
39 * *
40 \*===========================================================================*/
41
42 #ifndef OPENMESH_TRICONNECTIVITY_HH
43 #define OPENMESH_TRICONNECTIVITY_HH
44
45 #include <OpenMesh/Core/Mesh/PolyConnectivity.hh>
46
47 namespace OpenMesh {
48
51 class OPENMESHDLLEXPORT TriConnectivity : public PolyConnectivity
52 {
53 public:
54
55 TriConnectivity() {}
56 virtual ~TriConnectivity() {}
57
58 inline static bool is_triangles()
59 { return true; }
60
64 inline void assign_connectivity(const TriConnectivity& _other)
65 { PolyConnectivity::assign_connectivity(_other); }
66
67 inline void assign_connectivity(const PolyConnectivity& _other)
68 {
69 PolyConnectivity::assign_connectivity(_other);
70 triangulate();
71 }
72
77
86 FaceHandle add_face(const VertexHandle* _vhandles, size_t _vhs_size);
87
96 FaceHandle add_face(const std::vector<VertexHandle>& _vhandles);
97
108 FaceHandle add_face(VertexHandle _vh0, VertexHandle _vh1, VertexHandle _vh2);
109
111
115 inline VertexHandle opposite_vh(HalfedgeHandle _heh) const
116 {
117 return is_boundary(_heh) ? InvalidVertexHandle :
118 to_vertex_handle(next_halfedge_handle(_heh));
119 }
120
124 VertexHandle opposite_he_opposite_vh(HalfedgeHandle _heh) const
125 { return opposite_vh(opposite_halfedge_handle(_heh)); }
126
130
131
136 bool is_collapse_ok(HalfedgeHandle _heh);
137
139 HalfedgeHandle vertex_split(VertexHandle v0, VertexHandle v1,
140 VertexHandle vl, VertexHandle vr);
141
143 bool is_flip_ok(EdgeHandle _eh) const;
144
147 void flip(EdgeHandle _eh);
148
149
161 void split(EdgeHandle _eh, VertexHandle _vh);
162
174 void split_copy(EdgeHandle _eh, VertexHandle _vh);
175
181 inline void split(FaceHandle _fh, VertexHandle _vh)
182 { PolyConnectivity::split(_fh, _vh); }
183
189 inline void split_copy(FaceHandle _fh, VertexHandle _vh)
190 { PolyConnectivity::split_copy(_fh, _vh); }
191
193
194 private:
196 HalfedgeHandle insert_loop(HalfedgeHandle _hh);
198 HalfedgeHandle insert_edge(VertexHandle _vh,
199 HalfedgeHandle _h0, HalfedgeHandle _h1);
200 };
201
202 }
203
204 #endif//OPENMESH_TRICONNECTIVITY_HH
OpenMesh::PolyConnectivity
Connectivity Class for polygonal meshes.
Definition: PolyConnectivity.hh:54
OpenMesh::EdgeHandle
Handle for a edge entity.
Definition: Handles.hh:128
OpenMesh::TriConnectivity
Connectivity Class for Triangle Meshes.
Definition: TriConnectivity.hh:51
OpenMesh::TriConnectivity::opposite_vh
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:115
OpenMesh::TriConnectivity::split_copy
void split_copy(FaceHandle _fh, VertexHandle _vh)
Face split (= 1-to-3) split, calls corresponding PolyMeshT function).
Definition: TriConnectivity.hh:189
OpenMesh::FaceHandle
Handle for a face entity.
Definition: Handles.hh:135
OpenMesh::VertexHandle
Handle for a vertex entity.
Definition: Handles.hh:114
OpenMesh::TriConnectivity::opposite_he_opposite_vh
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:124
OpenMesh::PolyConnectivity::split_copy
void split_copy(FaceHandle _fh, VertexHandle _vh)
Face split (= 1-to-n split).
Definition: PolyConnectivity.cc:1111
OpenMesh::PolyConnectivity::split
void split(FaceHandle _fh, VertexHandle _vh)
Face split (= 1-to-n split).
Definition: PolyConnectivity.cc:1068
OpenMesh::PolyConnectivity::assign_connectivity
void assign_connectivity(const PolyConnectivity &_other)
assign_connectivity() method.
Definition: PolyConnectivity.hh:215
OpenMesh::TriConnectivity::assign_connectivity
void assign_connectivity(const TriConnectivity &_other)
assign_connectivity() methods.
Definition: TriConnectivity.hh:64
OpenMesh::HalfedgeHandle
Handle for a halfedge entity.
Definition: Handles.hh:121
OpenMesh::TriConnectivity::split
void split(FaceHandle _fh, VertexHandle _vh)
Face split (= 1-to-3) split, calls corresponding PolyMeshT function).
Definition: TriConnectivity.hh:181