A.I.M.S algorithms


finiteElementSmoother.h
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33 
34 
35 
36 #ifndef AIMS_FINITE_ELEMENT_SMOOTHER_H
37 #define AIMS_FINITE_ELEMENT_SMOOTHER_H
38 
40 #include <aims/mesh/curv.h>
41 #include <map>
42 #include <set>
43 #include <utility>
44 
45 namespace aims
46 {
47 
48  template<int D, typename T> class FiniteElementSmoother
49  : public Smoother<AimsSurface<D, Void>, Texture<T> >
50  {
51 
52  private:
53 
54  std::map<unsigned, std::set< std::pair<unsigned,float> > > weightLapl; // map (index, ensemble des pair(voisins,poids))
55 
56  void ComputeWeights( float threshold = 0.98) {
57  weightLapl = AimsMeshWeightFiniteElementLaplacian( * this->_mesh , threshold );
58  }
59  float _dt;
60 
61  public:
62 
64  : _dt(dt) {
65  this->_mesh = mesh;
66  ComputeWeights();
67  }
68 
71  std::map<unsigned, std::set< std::pair<unsigned,float> > >
72  &previouslyComputedWeights )
73  : _dt(dt) {
74  this->_mesh=mesh;
75  this->weightLapl = previouslyComputedWeights;
76  }
77  std::map<unsigned, std::set< std::pair<unsigned,float> > > getWeights () { return weightLapl;}
79  void SetDt(float dt) { _dt = dt; }
80 
81  float dt() { return _dt; } //smooooth operatooor..
82 
83  Texture<T> doSmoothing(const Texture<T> & ima, int maxiter, bool verbose=true);
84 
85  bool optimal() { return true; }
86  };
87 
88 
89 }
90 
91 #endif
FiniteElementSmoother(float dt, AimsSurface< D, Void > *mesh, std::map< unsigned, std::set< std::pair< unsigned, float > > > &previouslyComputedWeights)
std::map< unsigned, std::set< std::pair< unsigned, float > > > AimsMeshWeightFiniteElementLaplacian(const AimsSurface< 3, Void > &mesh, const float Wmax)
std::map< unsigned, std::set< std::pair< unsigned, float > > > getWeights()
FiniteElementSmoother(float dt, AimsSurface< D, Void > *mesh)
Texture< T > doSmoothing(const Texture< T > &ima, int maxiter, bool verbose=true)