ClusterSequenceVoronoiArea.hh

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// $Id: ClusterSequenceVoronoiArea.hh 1761 2010-09-16 10:43:18Z soyez $
//
// Copyright (c) 2005-2007, Matteo Cacciari, Gavin Salam and Gregory Soyez
//
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#ifndef __FASTJET_CLUSTERSEQUENCEVORONOIAREA_HH__
#define __FASTJET_CLUSTERSEQUENCEVORONOIAREA_HH__

#include "fastjet/PseudoJet.hh"
#include "fastjet/AreaDefinition.hh"
#include "fastjet/ClusterSequenceAreaBase.hh"
#include <memory>
#include <vector>

FASTJET_BEGIN_NAMESPACE      // defined in fastjet/internal/base.hh

class ClusterSequenceVoronoiArea : public ClusterSequenceAreaBase {
public:
  template<class L> ClusterSequenceVoronoiArea
         (const std::vector<L> & pseudojets, 
          const JetDefinition & jet_def,
          const VoronoiAreaSpec & spec = VoronoiAreaSpec(),
          const bool & writeout_combinations = false);
  
  ~ClusterSequenceVoronoiArea();

  virtual inline double area(const PseudoJet & jet) const {
    return _voronoi_area[jet.cluster_hist_index()];};

  virtual inline PseudoJet area_4vector(const PseudoJet & jet) const {
    return _voronoi_area_4vector[jet.cluster_hist_index()];};

  virtual inline double area_error(const PseudoJet & jet) const {
    return 0.0;};

  class VoronoiAreaCalc; 
  

private:  
  void _initializeVA();

  std::vector<double> _voronoi_area;  
  std::vector<PseudoJet> _voronoi_area_4vector; 
  VoronoiAreaCalc *_pa_calc;          
  double _effective_Rfact;            
};




//----------------------------------------------------------------------
template<class L> ClusterSequenceVoronoiArea::ClusterSequenceVoronoiArea
(const std::vector<L> &pseudojets, 
 const JetDefinition &jet_def,
 const VoronoiAreaSpec & spec,
 const bool & writeout_combinations) :
  _effective_Rfact(spec.effective_Rfact()) {

  // transfer the initial jets (type L) into our own array
  _transfer_input_jets(pseudojets);

  // run the clustering
  _initialise_and_run(jet_def,writeout_combinations);

  // the jet clustering's already been done, now worry about areas...
  _initializeVA();
}

FASTJET_END_NAMESPACE

#endif // __FASTJET_CLUSTERSEQUENCEVORONOIAREA_HH__