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CompositeSqrt3T.hh
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47\*===========================================================================*/
48
52
53//=============================================================================
54//
55// CLASS SQRT3T
56//
57//=============================================================================
58
59#ifndef OPENMESH_SUBDIVIDER_UNIFORM_COMPOSITESQRT3T_HH
60#define OPENMESH_SUBDIVIDER_UNIFORM_COMPOSITESQRT3T_HH
61
62
63//== INCLUDES =================================================================
64
67
68
69//== NAMESPACE ================================================================
70
71namespace OpenMesh { // BEGIN_NS_OPENMESH
72namespace Subdivider { // BEGIN_NS_DECIMATER
73namespace Uniform { // BEGIN_NS_UNIFORM
74
75
76//== CLASS DEFINITION =========================================================
77
80template <typename MeshType, typename RealType=float>
81class CompositeSqrt3T : public CompositeT<MeshType, RealType>
82{
83public:
84
85 typedef CompositeT<MeshType, RealType> Inherited;
86
87public:
88
89 CompositeSqrt3T() : Inherited() {};
90 CompositeSqrt3T(MeshType& _mesh) : Inherited(_mesh) {};
91 ~CompositeSqrt3T() {}
92
93public:
94
95 const char *name() const { return "Uniform Composite Sqrt3"; }
96
97protected: // inherited interface
98
99 void apply_rules(void)
100 {
102 Inherited::VF();
103 Inherited::FF();
104 Inherited::FVc(coeffs_);
105 }
106
107protected:
108
109 typedef typename Inherited::Coeff Coeff;
110
114 struct FVCoeff : public Coeff
115 {
116 FVCoeff() : Coeff() { init(50); }
117
118 void init(size_t _max_valence)
119 {
120 weights_.resize(_max_valence);
121 std::generate(weights_.begin(),
122 weights_.end(), compute_weight() );
123 }
124
125 double operator()(size_t _valence) { return weights_[_valence]; }
126
129 struct compute_weight
130 {
131 compute_weight() : val_(0) { }
132
133 double operator()(void) // sqrt(3) weights for non-boundary vertices
134 {
135 return 2.0/3.0 * (cos(2.0*M_PI/val_++)+1.0);
136 }
137 size_t val_;
138 };
139
140 std::vector<double> weights_;
141
142 } coeffs_;
143
144};
145
146
147//=============================================================================
148} // END_NS_UNIFORM
149} // END_NS_SUBDIVIDER
150} // END_NS_OPENMESH
151//=============================================================================
152#endif // OPENMESH_SUBDIVIDER_UNIFORM_COMPOSITESQRT3T_HH defined
153//=============================================================================
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition MeshItems.hh:64
Software related to uniform subdivision of meshes.
void apply_rules(void)
Assemble here the rule sequence, by calling the constructor of the wanted rules.
Definition CompositeSqrt3T.hh:99
const char * name() const
Return name of subdivision algorithm.
Definition CompositeSqrt3T.hh:95
Mesh traits for uniform composite subdivision.

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