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00041 #ifndef OPENMESH_SUBDIVIDER_UNIFORM_COMPOSITESQRT3T_HH
00042 #define OPENMESH_SUBDIVIDER_UNIFORM_COMPOSITESQRT3T_HH
00043
00044
00045
00046
00047 #include "Composite/CompositeT.hh"
00048 #include "Composite/CompositeTraits.hh"
00049
00050
00051
00052
00053 namespace OpenMesh {
00054 namespace Subdivider {
00055 namespace Uniform {
00056
00057
00058
00059
00062 template <typename MeshType, typename RealType=float>
00063 class CompositeSqrt3T : public CompositeT<MeshType, RealType>
00064 {
00065 public:
00066
00067 typedef CompositeT<MeshType, RealType> Inherited;
00068
00069 public:
00070
00071 CompositeSqrt3T() : Inherited() {};
00072 CompositeSqrt3T(MeshType& _mesh) : Inherited(_mesh) {};
00073 ~CompositeSqrt3T() {}
00074
00075 public:
00076
00077 const char *name() const { return "Uniform Composite Sqrt3"; }
00078
00079 protected:
00080
00081 void apply_rules(void)
00082 {
00083 Inherited::Tvv3();
00084 Inherited::VF();
00085 Inherited::FF();
00086 Inherited::FVc(coeffs_);
00087 }
00088
00089 protected:
00090
00091 typedef typename Inherited::Coeff Coeff;
00092
00096 struct FVCoeff : public Coeff
00097 {
00098 FVCoeff() : Coeff() { init(50); }
00099
00100 void init(size_t _max_valence)
00101 {
00102 weights_.resize(_max_valence);
00103 std::generate(weights_.begin(),
00104 weights_.end(), compute_weight() );
00105 }
00106
00107 double operator()(size_t _valence) { return weights_[_valence]; }
00108
00111 struct compute_weight
00112 {
00113 compute_weight() : val_(0) { }
00114
00115 double operator()(void)
00116 {
00117 return 2.0/3.0 * (cos(2.0*M_PI/val_++)+1.0);
00118 }
00119 size_t val_;
00120 };
00121
00122 std::vector<double> weights_;
00123
00124 } coeffs_;
00125
00126 };
00127
00128
00129
00130 }
00131 }
00132 }
00133
00134 #endif // OPENMESH_SUBDIVIDER_UNIFORM_COMPOSITESQRT3T_HH defined
00135