OpenMesh
ModEdgeLengthT_impl.hh
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41 
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>
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>
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 //=============================================================================
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition: MeshItems.hh:59
Kernel::Scalar Scalar
Scalar type.
Definition: PolyMeshT.hh:110
Stores information about a halfedge collapse.
Definition: CollapseInfoT.hh:74
Mesh::Point p0
Position of removed vertex.
Definition: CollapseInfoT.hh:84
Mesh::Point p1
Positions of remaining vertex.
Definition: CollapseInfoT.hh:85
void set_error_tolerance_factor(double _factor) override
set the percentage of edge length
Definition: ModEdgeLengthT_impl.hh:83
void set_edge_length(typename Mesh::Scalar _f)
set edge_length
Definition: ModEdgeLengthT.hh:91
ModEdgeLengthT(MeshT &_mesh, float _edge_length=FLT_MAX, bool _is_binary=true)
Constructor.
Definition: ModEdgeLengthT_impl.hh:65
float collapse_priority(const CollapseInfo &_ci) override
Compute priority: Binary mode: Don't collapse edges longer then edge_length_ Cont.
Definition: ModEdgeLengthT_impl.hh:74

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