GenHIEventProducer Class Reference

#include <yetkin/GenHIEventProducer/src/GenHIEventProducer.cc>

Inheritance diagram for GenHIEventProducer:

Public Member Functions
	GenHIEventProducer (const edm::ParameterSet &)
	~GenHIEventProducer ()
Public Member Functions inherited from edm::EDProducer
	EDProducer ()
virtual	~EDProducer ()
Public Member Functions inherited from edm::ProducerBase
	ProducerBase ()
void	registerProducts (ProducerBase *, ProductRegistry *, ModuleDescription const &)
boost::function< void(const BranchDescription &)>	registrationCallback () const
	used by the fwk to register list of products More...
virtual	~ProducerBase ()

Private Member Functions
virtual void	produce (edm::Event &, const edm::EventSetup &)

Private Attributes
bool	doParticleInfo_
std::vector< std::string >	hepmcSrc_
edm::ESHandle< ParticleDataTable >	pdt
double	ptCut_

Additional Inherited Members
Public Types inherited from edm::EDProducer
typedef EDProducer	ModuleType
typedef WorkerT< EDProducer >	WorkerType
Public Types inherited from edm::ProducerBase
typedef ProductRegistryHelper::TypeLabelList	TypeLabelList
Static Public Member Functions inherited from edm::EDProducer
static const std::string &	baseType ()
static void	fillDescriptions (ConfigurationDescriptions &descriptions)
Protected Member Functions inherited from edm::EDProducer
CurrentProcessingContext const *	currentContext () const
Protected Member Functions inherited from edm::ProducerBase
template<class TProducer , class TMethod >
void	callWhenNewProductsRegistered (TProducer *iProd, TMethod iMethod)

Detailed Description

Description: <one line="" class="" summary>="">

Implementation: <Notes on="" implementation>="">

Definition at line 49 of file GenHIEventProducer.cc.

Constructor & Destructor Documentation

GenHIEventProducer::GenHIEventProducer ( const edm::ParameterSet &  iConfig )

explicit

Definition at line 75 of file GenHIEventProducer.cc.

References edm::ParameterSet::getParameter(), and edm::ParameterSet::getUntrackedParameter().

{
    produces<edm::GenHIEvent>();
    hepmcSrc_ = iConfig.getParameter<std::vector<std::string> >("generators");
    doParticleInfo_ = iConfig.getUntrackedParameter<bool>("doParticleInfo",false);
    if(doParticleInfo_){
      ptCut_ = iConfig.getUntrackedParameter<double> ("ptCut",1.);
    }
}

GenHIEventProducer::~GenHIEventProducer

(

)

Definition at line 86 of file GenHIEventProducer.cc.

{

    // do anything here that needs to be done at desctruction time
    // (e.g. close files, deallocate resources etc.)

}

Member Function Documentation

void GenHIEventProducer::produce ( edm::Event &  iEvent, const edm::EventSetup &  iSetup  )

privatevirtual

Implements edm::EDProducer.

Definition at line 101 of file GenHIEventProducer.cc.

References b, begin, DeDxDiscriminatorTools::charge(), end, relval_parameters_module::energy, eta(), edm::Event::getByLabel(), edm::EventSetup::getData(), reco::tau::helpers::nCharged(), runTheMatrix::np, npart, phi, and edm::Event::put().

{
    using namespace edm;

    if(!(pdt.isValid())) iSetup.getData(pdt);

    double b = -1;
    int npart = -1;
    int ncoll = 0;
    int nhard = 0;
    double phi = 0;
    double ecc = -1;

    int nCharged = 0;
    int nChargedMR = 0;
    int nChargedPtCut = 0; // NchargedPtCut bym
    int nChargedPtCutMR = 0; // NchargedPtCutMR bym

    double meanPt = 0;
    double meanPtMR = 0;
    double EtMR = 0; // Normalized of total energy bym
    double TotEnergy = 0; // Total energy bym

    for(size_t ihep = 0; ihep < hepmcSrc_.size(); ++ihep){
        Handle<edm::HepMCProduct> hepmc;
        iEvent.getByLabel(hepmcSrc_[ihep],hepmc);

        const HepMC::GenEvent* evt = hepmc->GetEvent();
    if(doParticleInfo_){
      HepMC::GenEvent::particle_const_iterator begin = evt->particles_begin();
      HepMC::GenEvent::particle_const_iterator end = evt->particles_end();
      for(HepMC::GenEvent::particle_const_iterator it = begin; it != end; ++it){
        if((*it)->status() != 1) continue;
        int pdg_id = (*it)->pdg_id();
            const ParticleData * part = pdt->particle(pdg_id );
            int charge = static_cast<int>(part->charge());
        
            if(charge == 0) continue;
            float pt = (*it)->momentum().perp();
            float eta = (*it)->momentum().eta();
            float energy = (*it)->momentum().e(); // energy bym
            //float energy = (*it)->momentum().energy(); // energy bym
            nCharged++;
            meanPt += pt;
            // Get the total energy bym
            if(fabs(eta)<1.0){
          TotEnergy += energy;
            }
            if(pt>ptCut_){
          nChargedPtCut++;
          if(fabs(eta)<0.5){
          nChargedPtCutMR++;
                }
            }
            // end bym
        
            if(fabs(eta) > 0.5) continue;
            nChargedMR++;
            meanPtMR += pt;
      }
    }
        const HepMC::HeavyIon* hi = evt->heavy_ion();

        if(hi){
            ncoll = ncoll + hi->Ncoll();
            nhard = nhard + hi->Ncoll_hard();
            int np = hi->Npart_proj() + hi->Npart_targ();
            if(np >= 0){
                npart = np;
                b = hi->impact_parameter();
                phi = hi->event_plane_angle();
        ecc = hi->eccentricity();
            }
        }
    }
    // Get the normalized total energy bym
    if(TotEnergy != 0){
        EtMR = TotEnergy/2;
    }

    if(nChargedMR != 0){
        meanPtMR /= nChargedMR;
    }
    if(nCharged != 0){
        meanPt /= nCharged;
    }

    std::auto_ptr<edm::GenHIEvent> pGenHI(new edm::GenHIEvent(b,
                                  npart,
                                  ncoll,
                                  nhard,
                                  phi, 
                                  ecc,
                                  nCharged,
                                  nChargedMR,
                                  meanPt,
                                  meanPtMR,   
                                  EtMR, 
                                  nChargedPtCut,
                                  nChargedPtCutMR
                                  ));

    iEvent.put(pGenHI);

}

Member Data Documentation

bool GenHIEventProducer::doParticleInfo_

private

Definition at line 60 of file GenHIEventProducer.cc.

std::vector<std::string> GenHIEventProducer::hepmcSrc_

private

Definition at line 56 of file GenHIEventProducer.cc.

edm::ESHandle< ParticleDataTable > GenHIEventProducer::pdt

private

Definition at line 57 of file GenHIEventProducer.cc.

double GenHIEventProducer::ptCut_

private

Definition at line 59 of file GenHIEventProducer.cc.