#include <EgammaSCCorrectionMaker/EgammaSCCorrectionMaker/src/EgammaSCCorrectionMaker.cc>

Inheritance diagram for EgammaSCCorrectionMaker:

Public Member Functions
	EgammaSCCorrectionMaker (const edm::ParameterSet &)
virtual void	produce (edm::Event &, const edm::EventSetup &)
	~EgammaSCCorrectionMaker ()
Private Attributes
bool	applyEnergyCorrection_
EcalClusterFunctionBaseClass *	EnergyCorrection_
EgammaSCEnergyCorrectionAlgo *	energyCorrector_
double	etThresh_
std::string	outputCollection_
edm::InputTag	rHInputProducer_
reco::CaloCluster::AlgoId	sCAlgo_
edm::InputTag	sCInputProducer_
double	sigmaElectronicNoise_
EgammaSCEnergyCorrectionAlgo::VerbosityLevel	verbosity_

Detailed Description

Description: Producer of corrected SuperClusters

Definition at line 35 of file EgammaSCCorrectionMaker.h.

Constructor & Destructor Documentation

EgammaSCCorrectionMaker::EgammaSCCorrectionMaker ( const edm::ParameterSet & ps ) [explicit]

Definition at line 24 of file EgammaSCCorrectionMaker.cc.

References applyEnergyCorrection_, reco::CaloCluster::dynamicHybrid, EnergyCorrection_, energyCorrector_, etThresh_, reco::get(), edm::ParameterSet::getParameter(), reco::CaloCluster::hybrid, reco::CaloCluster::island, reco::CaloCluster::multi5x5, outputCollection_, EgammaSCEnergyCorrectionAlgo::pDEBUG, EgammaSCEnergyCorrectionAlgo::pERROR, EgammaSCEnergyCorrectionAlgo::pINFO, rHInputProducer_, sCAlgo_, sCInputProducer_, sigmaElectronicNoise_, and verbosity_.

{
 
  // The verbosity level
  std::string debugString = ps.getParameter<std::string>("VerbosityLevel");
  if      (debugString == "DEBUG")   verbosity_ = EgammaSCEnergyCorrectionAlgo::pDEBUG;
  else if (debugString == "INFO")    verbosity_ = EgammaSCEnergyCorrectionAlgo::pINFO;
  else                               verbosity_ = EgammaSCEnergyCorrectionAlgo::pERROR;

  // the input producers
  rHInputProducer_ = ps.getParameter<edm::InputTag>("recHitProducer");
  sCInputProducer_ = ps.getParameter<edm::InputTag>("rawSuperClusterProducer");
  std::string sCAlgo_str = ps.getParameter<std::string>("superClusterAlgo");

  // determine which BasicCluster algo we are correcting for
  //And obtain forrection parameters form cfg file
  edm::ParameterSet fCorrPset;
  if (sCAlgo_str=="Hybrid") {
    sCAlgo_= reco::CaloCluster::hybrid;
    fCorrPset = ps.getParameter<edm::ParameterSet>("hyb_fCorrPset"); 
  } else if (sCAlgo_str=="Island") {
    sCAlgo_= reco::CaloCluster::island;
    fCorrPset = ps.getParameter<edm::ParameterSet>("isl_fCorrPset");
  } else if (sCAlgo_str=="DynamicHybrid") {
    sCAlgo_ = reco::CaloCluster::dynamicHybrid;
    fCorrPset = ps.getParameter<edm::ParameterSet>("dyn_fCorrPset"); 
  } else if (sCAlgo_str=="Multi5x5") {
    sCAlgo_ = reco::CaloCluster::multi5x5;
    fCorrPset = ps.getParameter<edm::ParameterSet>("fix_fCorrPset");
  } else {
    edm::LogError("EgammaSCCorrectionMakerError") 
      << "Error! SuperClusterAlgo in config file must be Hybrid or Island: " 
      << sCAlgo_str << "  Using Hybrid by default";
    sCAlgo_=reco::CaloCluster::hybrid;
  }
  
  // set correction algo parameters
  applyEnergyCorrection_ = ps.getParameter<bool>("applyEnergyCorrection");
  sigmaElectronicNoise_ =  ps.getParameter<double>("sigmaElectronicNoise");

  etThresh_ =  ps.getParameter<double>("etThresh");

  // set the producer parameters
  outputCollection_ = ps.getParameter<std::string>("corectedSuperClusterCollection");
  produces<reco::SuperClusterCollection>(outputCollection_);

  // instanciate the correction algo object
  energyCorrector_ = new EgammaSCEnergyCorrectionAlgo(sigmaElectronicNoise_, sCAlgo_, fCorrPset, verbosity_);
  
  // energy correction class
  if (applyEnergyCorrection_ )
    EnergyCorrection_ = EcalClusterFunctionFactory::get()->create("EcalClusterEnergyCorrection", ps);
}

EgammaSCCorrectionMaker::~EgammaSCCorrectionMaker ( )

Definition at line 78 of file EgammaSCCorrectionMaker.cc.

References energyCorrector_.

{
  delete energyCorrector_;
}

Member Function Documentation

void EgammaSCCorrectionMaker::produce	(	edm::Event &	evt,
		const edm::EventSetup &	es
	)		`[virtual]`

Implements edm::EDProducer.

Definition at line 84 of file EgammaSCCorrectionMaker.cc.

References EgammaSCEnergyCorrectionAlgo::applyCorrection(), applyEnergyCorrection_, DetId::Ecal, EcalBarrel, EcalEndcap, EcalPreshower, reco::CaloCluster::energy(), EnergyCorrection_, energyCorrector_, etThresh_, geometry, edm::EventSetup::get(), edm::Event::getByLabel(), reco_application_2006_simpleTBanalysis_cfg::hitCollection, EcalClusterFunctionBaseClass::init(), edm::InputTag::instance(), edm::InputTag::label(), outputCollection_, reco::CaloCluster::position(), edm::Event::put(), reco::SuperCluster::rawEnergy(), rHInputProducer_, sCAlgo_, sCInputProducer_, and funct::sin().

{
  using namespace edm;

  // initialize energy correction class
  if(applyEnergyCorrection_) 
    EnergyCorrection_->init(es);

  // get the collection geometry:
  edm::ESHandle<CaloGeometry> geoHandle;
  es.get<CaloGeometryRecord>().get(geoHandle);
  const CaloGeometry& geometry = *geoHandle;
  const CaloSubdetectorGeometry *geometry_p;

  std::string rHInputCollection = rHInputProducer_.instance();
  if(rHInputCollection == "EcalRecHitsEB") {
    geometry_p = geometry.getSubdetectorGeometry(DetId::Ecal, EcalBarrel);
  } else if(rHInputCollection == "EcalRecHitsEE") {
    geometry_p = geometry.getSubdetectorGeometry(DetId::Ecal, EcalEndcap);
  } else if(rHInputCollection == "EcalRecHitsPS") {
    geometry_p = geometry.getSubdetectorGeometry(DetId::Ecal, EcalPreshower);
  } else {
          std::string str = "\n\nSCCorrectionMaker encountered invalied ecalhitcollection type: " + rHInputCollection + ".\n\n";
          throw(std::runtime_error( str.c_str() ));
  }
  
  // Get raw SuperClusters from the event    
  Handle<reco::SuperClusterCollection> pRawSuperClusters;
  try { 
    evt.getByLabel(sCInputProducer_, pRawSuperClusters);
  } catch ( cms::Exception& ex ) {
    edm::LogError("EgammaSCCorrectionMakerError") 
      << "Error! can't get the rawSuperClusters " 
      << sCInputProducer_.label() ;
  }    
  
  // Get the RecHits from the event
  Handle<EcalRecHitCollection> pRecHits;
  try { 
    evt.getByLabel(rHInputProducer_, pRecHits);
  } catch ( cms::Exception& ex ) {
    edm::LogError("EgammaSCCorrectionMakerError") 
      << "Error! can't get the RecHits " 
      << rHInputProducer_.label();
  }    
  
  // Create a pointer to the RecHits and raw SuperClusters
  const EcalRecHitCollection *hitCollection = pRecHits.product();
  const reco::SuperClusterCollection *rawClusters = pRawSuperClusters.product();
   
  // Define a collection of corrected SuperClusters to put back into the event
  std::auto_ptr<reco::SuperClusterCollection> corrClusters(new reco::SuperClusterCollection);
  
  //  Loop over raw clusters and make corrected ones
  reco::SuperClusterCollection::const_iterator aClus;
  for(aClus = rawClusters->begin(); aClus != rawClusters->end(); aClus++)
    {
      reco::SuperCluster newClus;
      if(applyEnergyCorrection_) 
        newClus = energyCorrector_->applyCorrection(*aClus, *hitCollection, sCAlgo_, geometry_p, EnergyCorrection_);
      else
        newClus=*aClus;

      if(newClus.energy()*sin(newClus.position().theta())>etThresh_) {
        //and corrected energy of SC before placing SCs in collection
        //std::cout << " Check 1 " << "\n"
        //        << " Parameters of corrected SCs " << "\n"
        //        << " energy = " << newClus.energy() <<"\n"
        //        << " pw = " << newClus.phiWidth() << "\n"
        //        << " ew = " << newClus.etaWidth() << std::endl;

        newClus.rawEnergy();
        corrClusters->push_back(newClus);
      }
    }
  // Put collection of corrected SuperClusters into the event
  evt.put(corrClusters, outputCollection_);   
  
}