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CollapseInfoT.hh
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54 //=============================================================================
55 //
56 // STRUCT CollpaseInfoT
57 //
58 //=============================================================================
59 #ifndef OPENMESH_DECIMATER_COLLAPSEINFOT_HH
60 #define OPENMESH_DECIMATER_COLLAPSEINFOT_HH
61
62 //== INCLUDES =================================================================
63
64 //== NAMESPACE ================================================================
65
66 namespace OpenMesh {
67 namespace Decimater {
68
69 //== CLASS DEFINITION =========================================================
70
79 template<class Mesh>
80 struct CollapseInfoT {
81 public:
91 CollapseInfoT(Mesh& _mesh, typename Mesh::HalfedgeHandle _heh);
92
93 Mesh& mesh;
94
95 typename Mesh::HalfedgeHandle v0v1;
96 typename Mesh::HalfedgeHandle v1v0;
97 typename Mesh::VertexHandle v0;
98 typename Mesh::VertexHandle v1;
99 typename Mesh::Point p0;
100 typename Mesh::Point p1;
101 typename Mesh::FaceHandle fl;
102 typename Mesh::FaceHandle fr;
103 typename Mesh::VertexHandle vl;
104 typename Mesh::VertexHandle vr;
105
106
109 typename Mesh::HalfedgeHandle vlv1, v0vl, vrv0, v1vr;
111 };
112
113 //-----------------------------------------------------------------------------
114
134 template<class Mesh>
135 inline CollapseInfoT<Mesh>::CollapseInfoT(Mesh& _mesh,
136 typename Mesh::HalfedgeHandle _heh) :
137 mesh(_mesh), v0v1(_heh), v1v0(_mesh.opposite_halfedge_handle(v0v1)), v0(
138 _mesh.to_vertex_handle(v1v0)), v1(_mesh.to_vertex_handle(v0v1)), p0(
139 _mesh.point(v0)), p1(_mesh.point(v1)), fl(_mesh.face_handle(v0v1)), fr(
140 _mesh.face_handle(v1v0))
141
142 {
143 // get vl
144 if (fl.is_valid()) {
145 vlv1 = mesh.next_halfedge_handle(v0v1);
146 v0vl = mesh.next_halfedge_handle(vlv1);
147 vl = mesh.to_vertex_handle(vlv1);
148 vlv1 = mesh.opposite_halfedge_handle(vlv1);
149 v0vl = mesh.opposite_halfedge_handle(v0vl);
150 }
151
152 // get vr
153 if (fr.is_valid()) {
154 vrv0 = mesh.next_halfedge_handle(v1v0);
155 v1vr = mesh.next_halfedge_handle(vrv0);
156 vr = mesh.to_vertex_handle(vrv0);
157 vrv0 = mesh.opposite_halfedge_handle(vrv0);
158 v1vr = mesh.opposite_halfedge_handle(v1vr);
159 }
160 }
161
162 //=============================================================================
163 }// END_NS_DECIMATER
164 } // END_NS_OPENMESH
165 //=============================================================================
166 #endif // OPENMESH_DECIMATER_COLLAPSEINFOT_HH defined
167 //=============================================================================
168
OpenMesh::Decimater::CollapseInfoT::fr
Mesh::FaceHandle fr
Right face.
Definition: CollapseInfoT.hh:102
OpenMesh::Decimater::CollapseInfoT
Stores information about a halfedge collapse.
Definition: CollapseInfoT.hh:80
OpenMesh::Decimater::CollapseInfoT::p0
Mesh::Point p0
Position of removed vertex.
Definition: CollapseInfoT.hh:99
OpenMesh::Decimater::CollapseInfoT::fl
Mesh::FaceHandle fl
Left face.
Definition: CollapseInfoT.hh:101
OpenMesh::Decimater::CollapseInfoT::v1v0
Mesh::HalfedgeHandle v1v0
Reverse halfedge.
Definition: CollapseInfoT.hh:96
OpenMesh::Decimater::CollapseInfoT::v1vr
Mesh::HalfedgeHandle v1vr
Outer remaining halfedge of diamond spanned by v0, v1, vl, and vr.
Definition: CollapseInfoT.hh:109
OpenMesh::Decimater::CollapseInfoT::v0
Mesh::VertexHandle v0
Vertex to be removed.
Definition: CollapseInfoT.hh:97
OpenMesh::Decimater::CollapseInfoT::vl
Mesh::VertexHandle vl
Left vertex.
Definition: CollapseInfoT.hh:103
OpenMesh::Decimater::CollapseInfoT::p1
Mesh::Point p1
Positions of remaining vertex.
Definition: CollapseInfoT.hh:100
OpenMesh::Decimater::CollapseInfoT::v0vl
Mesh::HalfedgeHandle v0vl
Outer remaining halfedge of diamond spanned by v0, v1, vl, and vr.
Definition: CollapseInfoT.hh:109
OpenMesh
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition: MeshItems.hh:64
OpenMesh::Decimater::CollapseInfoT::v0v1
Mesh::HalfedgeHandle v0v1
Halfedge to be collapsed.
Definition: CollapseInfoT.hh:95
OpenMesh::Decimater::CollapseInfoT::vlv1
Mesh::HalfedgeHandle vlv1
Outer remaining halfedge of diamond spanned by v0, v1, vl, and vr.
Definition: CollapseInfoT.hh:109
OpenMesh::Decimater::CollapseInfoT::CollapseInfoT
CollapseInfoT(Mesh &_mesh, typename Mesh::HalfedgeHandle _heh)
Initializing constructor.
Definition: CollapseInfoT.hh:135
OpenMesh::Decimater::CollapseInfoT::v1
Mesh::VertexHandle v1
Remaining vertex.
Definition: CollapseInfoT.hh:98
OpenMesh::Decimater::CollapseInfoT::vrv0
Mesh::HalfedgeHandle vrv0
Outer remaining halfedge of diamond spanned by v0, v1, vl, and vr.
Definition: CollapseInfoT.hh:109
OpenMesh::Decimater::CollapseInfoT::vr
Mesh::VertexHandle vr
Right vertex.
Definition: CollapseInfoT.hh:104