SubJetAlgorithm.h

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#ifndef RecoJets_JetAlgorithms_CATopJetAlgorithm2_h
#define RecoJets_JetAlgorithms_CATopJetAlgorithm2_h

#include <vector>

#include "boost/shared_ptr.hpp"

#include "RecoJets/JetAlgorithms/interface/CompoundPseudoJet.h"
#include "FWCore/Framework/interface/Event.h"
#include "RecoJets/JetAlgorithms/interface/FastPrunePlugin.hh"
#include <fastjet/JetDefinition.hh>
#include <fastjet/PseudoJet.hh>
#include <fastjet/ClusterSequence.hh>
#include <fastjet/GhostedAreaSpec.hh>


class SubJetAlgorithm{
 public:
 SubJetAlgorithm( double ptMin,                    
          unsigned int subjets,
          double zcut,
          double rcut_factor,
          boost::shared_ptr<fastjet::JetDefinition> fjJetDefinition,
          bool doAreaFastjet,
          boost::shared_ptr<fastjet::GhostedAreaSpec> fjActiveArea,
          double voronoiRfact
          ) :
    ptMin_         (ptMin         ),
    nSubjets_      (subjets       ),
    zcut_          (zcut          ),
    rcut_factor_   (rcut_factor   ),
    fjJetDefinition_(fjJetDefinition),
    doAreaFastjet_ (doAreaFastjet),
    fjActiveArea_  (fjActiveArea),
    voronoiRfact_  (voronoiRfact)
      { 
    
      }

  void set_zcut(double z);
  void set_rcut_factor(double r);
  double zcut() const { return zcut_;}
  double rcut_factor() const { return rcut_factor_; }

  void run( const std::vector<fastjet::PseudoJet> & cell_particles, 
        std::vector<CompoundPseudoJet> & hardjetsOutput);


 private:

  double              ptMin_;         //<! lower pt cut on which jets to reco
  int                 nSubjets_;      //<! number of subjets to produce.
  double              zcut_;          //<! zcut parameter (see arXiv:0903.5081). Only relevant if pruning is enabled.
  double              rcut_factor_;   //<! r-cut factor (see arXiv:0903.5081).
  boost::shared_ptr<fastjet::JetDefinition> fjJetDefinition_; //<! jet definition to use
  bool                doAreaFastjet_; //<! whether or not to use the fastjet area
  boost::shared_ptr<fastjet::GhostedAreaSpec> fjActiveArea_; //<! fastjet area spec
  double              voronoiRfact_;  //<! fastjet voronoi area R factor
};

#endif