TruthTrackerHepMC.h

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#ifndef __TRUTHTRACKERHEPMC_H__
#define __TRUTHTRACKERHEPMC_H__

/*HepMC include */
#include <HepMC/GenParticle.h>
#include <phhepmc/PHHepMCGenEvent.h>
#include <phhepmc/PHHepMCGenEventMap.h>
//#include <phhepmc/PHHepMCGenParticle.h>
class TruthTrackerHepMC
{

public:

  TruthTrackerHepMC();

  ~TruthTrackerHepMC() {}

  void set_hepmc_geneventmap( PHHepMCGenEventMap* evtmap )
  {
    _genevtmap = evtmap;
  }

  HepMC::GenParticle* FindParticle( int );

  HepMC::GenParticle* FindDaughterParticle( int , HepMC::GenParticle* );

  HepMC::GenParticle* FindBeamLepton();

  HepMC::GenParticle* FindBeamHadron();

  HepMC::GenParticle* FindScatteredLepton( );


  void FindDecayParticles(HepMC::GenParticle *, uint&, uint&, uint&);

  void FindMissingPt( float & , float & );

private:

  PHHepMCGenEventMap* _genevtmap;

  void UpdateFinalStateParticle( HepMC::GenParticle *& );

  //  void FindDecayParticles(HepMC::GenParticle *, int&, int&, int&);

};


#endif