#include <PartonHadronDecayGenEvtSelector.h>

Inheritance diagram for PartonHadronDecayGenEvtSelector:

Public Member Functions
bool	filter (HepMC::GenEvent *)
	PartonHadronDecayGenEvtSelector (const edm::ParameterSet &pset)
bool	selectParticle (HepMC::GenParticle *par, int status, int pdg, double ptMin, double etaMax)
bool	selectParticle (HepMC::GenParticle *par, int status, int pdg, double etaMax, double etaMin, double pMin, double ptMax, double ptMin)
virtual	~PartonHadronDecayGenEvtSelector ()
Private Attributes
double	decayEtaMax_
double	decayEtaMin_
int	decayId_
int	decayNtrig_
double	decayPMin_
double	decayPtMax_
double	decayPtMin_
int	decayStatus_
std::vector< double >	hadronEtaMax_
std::vector< double >	hadronEtaMin_
std::vector< int >	hadronId_
std::vector< double >	hadronPMin_
std::vector< double >	hadronPtMax_
std::vector< double >	hadronPtMin_
std::vector< int >	hadronStatus_
std::vector< double >	partonEtaMax_
std::vector< int >	partonId_
std::vector< double >	partonPtMin_
std::vector< int >	partonStatus_

Detailed Description

Definition at line 7 of file PartonHadronDecayGenEvtSelector.h.

Constructor & Destructor Documentation

PartonHadronDecayGenEvtSelector::PartonHadronDecayGenEvtSelector ( const edm::ParameterSet & pset )

Definition at line 6 of file PartonHadronDecayGenEvtSelector.cc.

References decayEtaMax_, decayEtaMin_, decayId_, decayNtrig_, decayPMin_, decayPtMax_, decayPtMin_, decayStatus_, Exception, edm::ParameterSet::getParameter(), hadronEtaMax_, hadronEtaMin_, hadronId_, hadronPMin_, hadronPtMax_, hadronPtMin_, hadronStatus_, edm::errors::LogicError, partonEtaMax_, partonId_, partonPtMin_, partonStatus_, and ptmin.

                                                                                            : BaseHiGenEvtSelector(pset)
{

  hadronId_       = pset.getParameter<vector<int> >("hadrons");
  hadronStatus_   = pset.getParameter<vector<int> >("hadronStatus");
  hadronEtaMax_   = pset.getParameter<vector<double> >("hadronEtaMax");
  hadronEtaMin_   = pset.getParameter<vector<double> >("hadronEtaMin");
  hadronPMin_     = pset.getParameter<vector<double> >("hadronPMin");
  hadronPtMax_    = pset.getParameter<vector<double> >("hadronPtMax");
  hadronPtMin_    = pset.getParameter<vector<double> >("hadronPtMin");
  
  decayId_        = pset.getParameter<int>("decays");
  decayStatus_    = pset.getParameter<int>("decayStatus");
  decayEtaMax_    = pset.getParameter<double>("decayEtaMax");
  decayEtaMin_    = pset.getParameter<double>("decayEtaMin");
  decayPMin_      = pset.getParameter<double>("decayPMin");
  decayPtMax_     = pset.getParameter<double>("decayPtMax");
  decayPtMin_     = pset.getParameter<double>("decayPtMin");
  decayNtrig_     = pset.getParameter<int>("decayNtrig");

  partonId_       = pset.getParameter<vector<int> >("partons");
  partonStatus_   = pset.getParameter<vector<int> >("partonStatus");
  partonEtaMax_   = pset.getParameter<vector<double> >("partonEtaMax");
  partonPtMin_    = pset.getParameter<vector<double> >("partonPtMin");
     
  int id     = hadronId_.size();
  int st     = hadronStatus_.size();
  int etamax = hadronEtaMax_.size();
  int etamin = hadronEtaMin_.size();
  int pmin   = hadronPMin_.size();
  int ptmax  = hadronPtMax_.size();
  int ptmin  = hadronPtMin_.size();
  
  if( id!=st || id!=etamax || id!=etamin || id!=ptmax || id!=ptmin || id!=pmin)
    {
      throw edm::Exception(edm::errors::LogicError)<<"Hadron selection parameters: "<<id<<st<<etamax<<etamin<<pmin<<ptmax<<ptmin<<endl;
    }
  

  id     = partonId_.size();
  st     = partonStatus_.size();
  etamax = partonEtaMax_.size();
  ptmin  = partonPtMin_.size();
  
  if( id!=st || id!=etamax || id!=ptmin )
    {
      throw edm::Exception(edm::errors::LogicError)<<"Parton selection parameters: "<<id<<st<<etamax<<ptmin<<endl;
    }
  
}

virtual PartonHadronDecayGenEvtSelector::~PartonHadronDecayGenEvtSelector ( ) [inline, virtual]

Definition at line 11 of file PartonHadronDecayGenEvtSelector.h.

{;}

Member Function Documentation

bool PartonHadronDecayGenEvtSelector::filter ( HepMC::GenEvent * evt ) [virtual]

Reimplemented from BaseHiGenEvtSelector.

Definition at line 59 of file PartonHadronDecayGenEvtSelector.cc.

References begin, decayEtaMax_, decayEtaMin_, decayId_, decayNtrig_, decayPMin_, decayPtMax_, decayPtMin_, decayStatus_, end, hadronEtaMax_, hadronEtaMin_, hadronId_, hadronPMin_, hadronPtMax_, hadronPtMin_, hadronStatus_, i, partonEtaMax_, partonId_, partonPtMin_, partonStatus_, and selectParticle().

{
  // loop over HepMC event, and search for  products of interest

  HepMC::GenEvent::particle_const_iterator begin = evt->particles_begin();
  HepMC::GenEvent::particle_const_iterator end   = evt->particles_end();
  
  bool foundHadron   = false;
  bool foundDecay    = false;
  bool foundParton   = false;
  
  HepMC::GenEvent::particle_const_iterator it = begin;
  while( !foundParton && it != end )
    {
      for(unsigned i = 0; i < partonId_.size(); ++i)
        {
          if( selectParticle(*it,
                             partonStatus_[i], partonId_[i],  
                             partonPtMin_[i],partonEtaMax_[i]) ) foundParton = true;
        }
      ++it;
    }

  int foundtrig = 0;
  HepMC::GenEvent::particle_const_iterator it2 = begin;
 
  if(foundParton)
    {
      while( (!foundHadron || !foundDecay) && it2 != end )
        {
          
          for(unsigned i = 0; i < hadronId_.size(); ++i)
            {
              if( selectParticle(*it2, 
                                 hadronStatus_[i], hadronId_[i], 
                                 hadronEtaMax_[i],hadronEtaMin_[i], 
                                 hadronPMin_[i],
                                 hadronPtMax_[i],hadronPtMin_[i]) ) foundHadron = true;
            }
        
          if( selectParticle(*it2, 
                             decayStatus_, decayId_, 
                             decayEtaMax_,decayEtaMin_, 
                             decayPMin_,
                             decayPtMax_,decayPtMin_) ) foundtrig++;
          if(decayNtrig_ == foundtrig) foundDecay = true;
           
          ++it2;
        }
    }
  
  return (foundHadron && foundDecay && foundParton);
}

bool PartonHadronDecayGenEvtSelector::selectParticle	(	HepMC::GenParticle *	par,
		int	status,
		int	pdg,
		double	etaMax,
		double	etaMin,
		double	pMin,
		double	ptMax,
		double	ptMin
	)		`[inline]`

Definition at line 17 of file PartonHadronDecayGenEvtSelector.h.

References abs, and PtMinSelector_cfg::ptMin.

                                                                                                                                          {
    return (par->status() == status &&
            abs(par->pdg_id()) == pdg &&
            par->momentum().eta() < etaMax && par->momentum().eta() > etaMin &&
            par->momentum().rho() > pMin &&
            par->momentum().perp() < ptMax && par->momentum().perp() > ptMin);
  }

bool PartonHadronDecayGenEvtSelector::selectParticle	(	HepMC::GenParticle *	par,
		int	status,
		int	pdg,
		double	ptMin,
		double	etaMax
	)		`[inline]`

Reimplemented from BaseHiGenEvtSelector.

Definition at line 14 of file PartonHadronDecayGenEvtSelector.h.

References abs.

Referenced by filter().

                                                                                                {
    return (par->status() == status && abs(par->pdg_id()) == pdg && par->momentum().perp() > ptMin && fabs(par->momentum().eta()) < etaMax);
  }