OpenMesh
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Macros Modules Pages
TriConnectivity.hh
1 /* ========================================================================= *
2  * *
3  * OpenMesh *
4  * Copyright (c) 2001-2015, RWTH-Aachen University *
5  * Department of Computer Graphics and Multimedia *
6  * All rights reserved. *
7  * www.openmesh.org *
8  * *
9  *---------------------------------------------------------------------------*
10  * This file is part of OpenMesh. *
11  *---------------------------------------------------------------------------*
12  * *
13  * Redistribution and use in source and binary forms, with or without *
14  * modification, are permitted provided that the following conditions *
15  * are met: *
16  * *
17  * 1. Redistributions of source code must retain the above copyright notice, *
18  * this list of conditions and the following disclaimer. *
19  * *
20  * 2. Redistributions in binary form must reproduce the above copyright *
21  * notice, this list of conditions and the following disclaimer in the *
22  * documentation and/or other materials provided with the distribution. *
23  * *
24  * 3. Neither the name of the copyright holder nor the names of its *
25  * contributors may be used to endorse or promote products derived from *
26  * this software without specific prior written permission. *
27  * *
28  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS *
29  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED *
30  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A *
31  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER *
32  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, *
33  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, *
34  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR *
35  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF *
36  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING *
37  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS *
38  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
39  * *
40  * ========================================================================= */
41 
42 /*===========================================================================*\
43  * *
44  * $Revision$ *
45  * $Date$ *
46  * *
47 \*===========================================================================*/
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
void split(FaceHandle _fh, VertexHandle _vh)
Face split (= 1-to-3) split, calls corresponding PolyMeshT function).
Definition: TriConnectivity.hh:188
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
Connectivity Class for polygonal meshes.
Definition: PolyConnectivity.hh:61
Connectivity Class for Triangle Meshes.
Definition: TriConnectivity.hh:58
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
void split_copy(FaceHandle _fh, VertexHandle _vh)
Face split (= 1-to-n split).
Definition: PolyConnectivity.cc:1121
void split(FaceHandle _fh, VertexHandle _vh)
Face split (= 1-to-n split).
Definition: PolyConnectivity.cc:1078
Handle for a edge entity.
Definition: Handles.hh:137
void split_copy(FaceHandle _fh, VertexHandle _vh)
Face split (= 1-to-3) split, calls corresponding PolyMeshT function).
Definition: TriConnectivity.hh:196
void assign_connectivity(const PolyConnectivity &_other)
assign_connectivity() method.
Definition: PolyConnectivity.hh:396
Handle for a vertex entity.
Definition: Handles.hh:123
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition: MeshItems.hh:64
void assign_connectivity(const TriConnectivity &_other)
assign_connectivity() methods.
Definition: TriConnectivity.hh:71
Handle for a halfedge entity.
Definition: Handles.hh:130
Handle for a face entity.
Definition: Handles.hh:144

Project OpenMesh, ©  Computer Graphics Group, RWTH Aachen. Documentation generated using doxygen .