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CollapseInfoT.hh
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33 \*===========================================================================*/
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35 /*===========================================================================*\
36 * *
37 * $Revision: 737 $ *
38 * $Date: 2012-10-08 09:33:20 +0200 (Mo, 08 Okt 2012) $ *
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40 \*===========================================================================*/
41
47 //=============================================================================
48 //
49 // STRUCT CollpaseInfoT
50 //
51 //=============================================================================
52 #ifndef OPENMESH_DECIMATER_COLLAPSEINFOT_HH
53 #define OPENMESH_DECIMATER_COLLAPSEINFOT_HH
54
55 //== INCLUDES =================================================================
56
57 //== NAMESPACE ================================================================
58
59 namespace OpenMesh {
60 namespace Decimater {
61
62 //== CLASS DEFINITION =========================================================
63
72 template<class Mesh>
73 struct CollapseInfoT {
74 public:
84 CollapseInfoT(Mesh& _mesh, typename Mesh::HalfedgeHandle _heh);
85
86 Mesh& mesh;
87
88 typename Mesh::HalfedgeHandle v0v1;
89 typename Mesh::HalfedgeHandle v1v0;
90 typename Mesh::VertexHandle v0;
91 typename Mesh::VertexHandle v1;
92 typename Mesh::Point p0;
93 typename Mesh::Point p1;
94 typename Mesh::FaceHandle fl;
95 typename Mesh::FaceHandle fr;
96 typename Mesh::VertexHandle vl;
97 typename Mesh::VertexHandle vr;
98
99
102 typename Mesh::HalfedgeHandle vlv1, v0vl, vrv0, v1vr;
104 };
105
106 //-----------------------------------------------------------------------------
107
127 template<class Mesh>
128 inline CollapseInfoT<Mesh>::CollapseInfoT(Mesh& _mesh,
129 typename Mesh::HalfedgeHandle _heh) :
130 mesh(_mesh), v0v1(_heh), v1v0(_mesh.opposite_halfedge_handle(v0v1)), v0(
131 _mesh.to_vertex_handle(v1v0)), v1(_mesh.to_vertex_handle(v0v1)), p0(
132 _mesh.point(v0)), p1(_mesh.point(v1)), fl(_mesh.face_handle(v0v1)), fr(
133 _mesh.face_handle(v1v0))
134
135 {
136 // get vl
137 if (fl.is_valid()) {
138 vlv1 = mesh.next_halfedge_handle(v0v1);
139 v0vl = mesh.next_halfedge_handle(vlv1);
140 vl = mesh.to_vertex_handle(vlv1);
141 vlv1 = mesh.opposite_halfedge_handle(vlv1);
142 v0vl = mesh.opposite_halfedge_handle(v0vl);
143 }
144
145 // get vr
146 if (fr.is_valid()) {
147 vrv0 = mesh.next_halfedge_handle(v1v0);
148 v1vr = mesh.next_halfedge_handle(vrv0);
149 vr = mesh.to_vertex_handle(vrv0);
150 vrv0 = mesh.opposite_halfedge_handle(vrv0);
151 v1vr = mesh.opposite_halfedge_handle(v1vr);
152 }
153 }
154
155 //=============================================================================
156 }// END_NS_DECIMATER
157 } // END_NS_OPENMESH
158 //=============================================================================
159 #endif // OPENMESH_DECIMATER_COLLAPSEINFOT_HH defined
160 //=============================================================================
161