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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) { Tvv3(); VF(); FF(); FVc(coeffs_); }
00082
00083 protected:
00084
00085 #if defined(OM_CC_MIPS)
00086 typedef typename Inherited::Coeff Coeff;
00087 #endif
00088
00092 struct FVCoeff : public Coeff
00093 {
00094 FVCoeff() : Coeff() { init(50); }
00095
00096 void init(size_t _max_valence)
00097 {
00098 weights_.resize(_max_valence);
00099 std::generate(weights_.begin(),
00100 weights_.end(), compute_weight() );
00101 }
00102
00103 double operator()(size_t _valence) { return weights_[_valence]; }
00104
00107 struct compute_weight
00108 {
00109 compute_weight() : val_(0) { }
00110
00111 double operator()(void)
00112 {
00113 return 2.0/3.0 * (cos(2.0*M_PI/val_++)+1.0);
00114 }
00115 size_t val_;
00116 };
00117
00118 std::vector<double> weights_;
00119
00120 } coeffs_;
00121
00122 };
00123
00124
00125
00126 }
00127 }
00128 }
00129
00130 #endif // OPENMESH_SUBDIVIDER_UNIFORM_COMPOSITESQRT3T_HH defined
00131