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ModEdgeLengthT_impl.hh
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42
46 //=============================================================================
47 //
48 // CLASS ModEdgeLengthT - IMPLEMENTATION
49 //
50 //=============================================================================
51 #define OPENMESH_DECIMATER_MODEDGELENGTHT_C
52
53 //== INCLUDES =================================================================
54
55 #include "ModEdgeLengthT.hh"
56
57 //== NAMESPACES ===============================================================
58
59 namespace OpenMesh {
60 namespace Decimater {
61
62 //== IMPLEMENTATION ==========================================================
63
64 template<class MeshT>
65 ModEdgeLengthT<MeshT>::ModEdgeLengthT(MeshT &_mesh, float _edge_length,
66 bool _is_binary) :
67 Base(_mesh, _is_binary), mesh_(Base::mesh()) {
68 set_edge_length(_edge_length);
69 }
70
71 //-----------------------------------------------------------------------------
72
73 template<class MeshT>
74 float ModEdgeLengthT<MeshT>::collapse_priority(const CollapseInfo& _ci) {
75 typename Mesh::Scalar sqr_length = (_ci.p0 - _ci.p1).sqrnorm();
76
77 return ( (sqr_length <= sqr_edge_length_) ? sqr_length : float(Base::ILLEGAL_COLLAPSE));
78 }
79
80 //-----------------------------------------------------------------------------
81
82 template<class MeshT>
83 void ModEdgeLengthT<MeshT>::set_error_tolerance_factor(double _factor) {
84 if (_factor >= 0.0 && _factor <= 1.0) {
85 // the smaller the factor, the smaller edge_length_ gets
86 // thus creating a stricter constraint
87 // division by error_tolerance_factor_ is for normalization
88 typename Mesh::Scalar edge_length = edge_length_ * static_cast<typename Mesh::Scalar>(_factor / this->error_tolerance_factor_);
89 set_edge_length(edge_length);
90 this->error_tolerance_factor_ = _factor;
91 }
92 }
93
94 //=============================================================================
95 }
96 }
97 //=============================================================================
OpenMesh::Decimater::CollapseInfoT::p1
Mesh::Point p1
Positions of remaining vertex.
Definition: CollapseInfoT.hh:94
OpenMesh::Decimater::CollapseInfoT
Definition: CollapseInfoT.hh:74
OpenMesh
Definition: MeshItems.hh:59
ModEdgeLengthT.hh
OpenMesh::Decimater::ModEdgeLengthT
Use edge length to control decimation.
Definition: ModEdgeLengthT.hh:75
OpenMesh::Decimater::ModEdgeLengthT::ModEdgeLengthT
ModEdgeLengthT(MeshT &_mesh, float _edge_length=FLT_MAX, bool _is_binary=true)
Constructor.
Definition: ModEdgeLengthT_impl.hh:65
OpenMesh::Decimater::CollapseInfoT::p0
Mesh::Point p0
Position of removed vertex.
Definition: CollapseInfoT.hh:93