#include <CalibratedElectronProducer.h>

Inheritance diagram for CalibratedElectronProducer:

Public Member Functions
	CalibratedElectronProducer (const edm::ParameterSet &)

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

virtual	~CalibratedElectronProducer ()

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 Attributes
bool	applyLinearityCorrection

const CaloGeometry *	caloGeometry_

std::string	combinationRegressionInputPath

int	combinationType

int	correctionsType

std::string	dataset

const CaloTopology *	ecalTopology_

bool	geomInitialized_

edm::InputTag	inputElectrons_

bool	isAOD

bool	isMC

std::string	linCorrectionsInputPath

double	lumiRatio

ElectronEPcombinator *	myCombinator

EpCombinationTool *	myEpCombinationTool

edm::InputTag	nameEnergyErrorReg_

edm::InputTag	nameEnergyReg_

std::string	nameNewEnergyErrorReg_

std::string	nameNewEnergyReg_

std::string	newElectronName_

edm::InputTag	recHitCollectionEB_

edm::InputTag	recHitCollectionEE_

std::string	scaleCorrectionsInputPath

bool	synchronization

ElectronEnergyCalibrator *	theEnCorrector

bool	updateEnergyError

bool	verbose

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)

static void	prevalidate (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: EDProducer of GsfElectron objects

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

Definition at line 25 of file CalibratedElectronProducer.h.

Constructor & Destructor Documentation

CalibratedElectronProducer::CalibratedElectronProducer ( const edm::ParameterSet & cfg )

explicit

Definition at line 40 of file CalibratedElectronProducer.cc.

References gather_cfg::cout, dataset::dataset, edm::hlt::Exception, edm::ParameterSet::getParameter(), and validate_alignment_devdb10_cfg::verbose.

 {
     inputElectrons_ = cfg.getParameter<edm::InputTag>("inputElectronsTag");
     
     nameEnergyReg_      = cfg.getParameter<edm::InputTag>("nameEnergyReg");
     nameEnergyErrorReg_ = cfg.getParameter<edm::InputTag>("nameEnergyErrorReg");
     
     recHitCollectionEB_ = cfg.getParameter<edm::InputTag>("recHitCollectionEB");
     recHitCollectionEE_ = cfg.getParameter<edm::InputTag>("recHitCollectionEE");
     
     
     nameNewEnergyReg_      = cfg.getParameter<std::string>("nameNewEnergyReg");
     nameNewEnergyErrorReg_ = cfg.getParameter<std::string>("nameNewEnergyErrorReg");
     newElectronName_ = cfg.getParameter<std::string>("outputGsfElectronCollectionLabel");
     
     
     dataset = cfg.getParameter<std::string>("inputDataset");
     isMC = cfg.getParameter<bool>("isMC");
     updateEnergyError = cfg.getParameter<bool>("updateEnergyError");
     lumiRatio = cfg.getParameter<double>("lumiRatio");
     correctionsType = cfg.getParameter<int>("correctionsType");
     applyLinearityCorrection = cfg.getParameter<bool>("applyLinearityCorrection");
     combinationType = cfg.getParameter<int>("combinationType");
     verbose = cfg.getParameter<bool>("verbose");
     synchronization = cfg.getParameter<bool>("synchronization");
     combinationRegressionInputPath = cfg.getParameter<std::string>("combinationRegressionInputPath");
     scaleCorrectionsInputPath = cfg.getParameter<std::string>("scaleCorrectionsInputPath");
     linCorrectionsInputPath   = cfg.getParameter<std::string>("linearityCorrectionsInputPath");
   
     //basic checks
     if ( isMC && ( dataset != "Summer11" && dataset != "Fall11" 
         && dataset!= "Summer12" && dataset != "Summer12_DR53X_HCP2012"
         && dataset != "Summer12_LegacyPaper" ) )
     { 
         throw cms::Exception("CalibratedgsfElectronProducer|ConfigError") << "Unknown MC dataset"; 
     }
     if ( !isMC && ( dataset != "Prompt" && dataset != "ReReco" 
         && dataset != "Jan16ReReco" && dataset != "ICHEP2012" 
         && dataset != "Moriond2013" && dataset != "22Jan2013ReReco" ) )
     { 
         throw cms::Exception("CalibratedgsfElectronProducer|ConfigError") << "Unknown Data dataset"; 
     }
 
     // Linearity correction only applied on combined momentum obtain with regression combination
     if(combinationType!=3 && applyLinearityCorrection)
     {
         std::cout << "[CalibratedElectronProducer] "
             << "Warning: you chose combinationType!=3 and applyLinearityCorrection=True. Linearity corrections are only applied on top of combination 3." << std::endl;
     }
     
     std::cout << "[CalibratedGsfElectronProducer] Correcting scale for dataset " << dataset << std::endl;
 
     //initializations
     std::string pathToDataCorr;
     switch (correctionsType)
     {
         case 0:
             break;
         case 1: 
             if ( verbose ) 
             {
                 std::cout << "You choose regression 1 scale corrections" << std::endl;
             }
             break;
         case 2: 
             if ( verbose ) 
             {
                 std::cout << "You choose regression 2 scale corrections." << std::endl;
             }
             break;
         case 3: 
             throw cms::Exception("CalibratedgsfElectronProducer|ConfigError")
                 << "You choose standard non-regression ecal energy scale corrections. They are not implemented yet."; 
             break;
         default: 
             throw cms::Exception("CalibratedgsfElectronProducer|ConfigError")
                 << "Unknown correctionsType !!!" ;
     }
   
     theEnCorrector = new ElectronEnergyCalibrator
         (
             edm::FileInPath(scaleCorrectionsInputPath.c_str()).fullPath().c_str(), 
             edm::FileInPath(linCorrectionsInputPath.c_str()).fullPath().c_str(),
             dataset, 
             correctionsType, 
             applyLinearityCorrection,
             lumiRatio, 
             isMC, 
             updateEnergyError, 
             verbose, 
             synchronization
         );
     
     if ( verbose ) 
     {
         std::cout<<"[CalibratedGsfElectronProducer] "
         << "ElectronEnergyCalibrator object is created" << std::endl;
     }
 
     myEpCombinationTool = new EpCombinationTool();
     myEpCombinationTool->init
         (
             edm::FileInPath(combinationRegressionInputPath.c_str()).fullPath().c_str(),
             "CombinationWeight"
         );
 
     myCombinator = new ElectronEPcombinator();
     
     if ( verbose ) 
     {
         std::cout << "[CalibratedGsfElectronProducer] "
         << "Combination tools are created and initialized" << std::endl;
     }
     
     produces<edm::ValueMap<double> >(nameNewEnergyReg_);
     produces<edm::ValueMap<double> >(nameNewEnergyErrorReg_);
     produces<GsfElectronCollection> (newElectronName_);
     geomInitialized_ = false;
 }

CalibratedElectronProducer::~CalibratedElectronProducer ( )

virtual

Definition at line 160 of file CalibratedElectronProducer.cc.

161 {}

Member Function Documentation

void CalibratedElectronProducer::produce	(	edm::Event &	event,
		const edm::EventSetup &	setup
	)

virtual

Implements edm::EDProducer.

Definition at line 163 of file CalibratedElectronProducer.cc.

Referenced by JSONExport.JsonExport::export(), HTMLExport.HTMLExport::export(), and HTMLExport.HTMLExportStatic::export().

 {
     if (!geomInitialized_) 
     {
         edm::ESHandle<CaloTopology> theCaloTopology;
         setup.get<CaloTopologyRecord>().get(theCaloTopology);
         ecalTopology_ = & (*theCaloTopology);
         
         edm::ESHandle<CaloGeometry> theCaloGeometry;
         setup.get<CaloGeometryRecord>().get(theCaloGeometry); 
         caloGeometry_ = & (*theCaloGeometry);
         geomInitialized_ = true;
     }
 
     // Read GsfElectrons
     edm::Handle<reco::GsfElectronCollection>  oldElectronsH ;
     event.getByLabel(inputElectrons_,oldElectronsH) ;
    
     // Read RecHits
     edm::Handle< EcalRecHitCollection > pEBRecHits;
     edm::Handle< EcalRecHitCollection > pEERecHits;
     event.getByLabel( recHitCollectionEB_, pEBRecHits );
     event.getByLabel( recHitCollectionEE_, pEERecHits );
 
     // ReadValueMaps
     edm::Handle<edm::ValueMap<double> > valMapEnergyH;
     event.getByLabel(nameEnergyReg_,valMapEnergyH);
     edm::Handle<edm::ValueMap<double> > valMapEnergyErrorH;
     event.getByLabel(nameEnergyErrorReg_,valMapEnergyErrorH);
   
     // Prepare output collections
     std::auto_ptr<GsfElectronCollection> electrons( new reco::GsfElectronCollection ) ;
     // Fillers for ValueMaps:
     std::auto_ptr<edm::ValueMap<double> > regrNewEnergyMap(new edm::ValueMap<double>() );
     edm::ValueMap<double>::Filler energyFiller(*regrNewEnergyMap);
     
     std::auto_ptr<edm::ValueMap<double> > regrNewEnergyErrorMap(new edm::ValueMap<double>() );
     edm::ValueMap<double>::Filler energyErrorFiller(*regrNewEnergyErrorMap);
     
     // first clone the initial collection
     unsigned nElectrons = oldElectronsH->size();
     for( unsigned iele = 0; iele < nElectrons; ++iele )
     {    
       electrons->push_back((*oldElectronsH)[iele]);
     }
 
     std::vector<double> regressionValues;
     std::vector<double> regressionErrorValues;
     regressionValues.reserve(nElectrons);
     regressionErrorValues.reserve(nElectrons);
 
     if ( correctionsType != 0 )
     {
         for ( unsigned iele = 0; iele < nElectrons ; ++iele) 
         {
             reco::GsfElectron & ele  ( (*electrons)[iele]);
             reco::GsfElectronRef elecRef(oldElectronsH,iele);
             double regressionEnergy = (*valMapEnergyH)[elecRef];
             double regressionEnergyError = (*valMapEnergyErrorH)[elecRef];
             
             regressionValues.push_back(regressionEnergy);
             regressionErrorValues.push_back(regressionEnergyError);
 
             //    r9 
             const EcalRecHitCollection * recHits=0;
             if( ele.isEB() ) 
             {
                 recHits = pEBRecHits.product();
             } else recHits = pEERecHits.product();
 
             SuperClusterHelper mySCHelper( &(ele), recHits, ecalTopology_, caloGeometry_ );
 
             int elClass = -1;
             int run = event.run(); 
             
             float r9 = mySCHelper.r9(); 
             double correctedEcalEnergy = ele.correctedEcalEnergy();
             double correctedEcalEnergyError = ele.correctedEcalEnergyError();
             double trackMomentum = ele.trackMomentumAtVtx().R();
             double trackMomentumError = ele.trackMomentumError();
             double combinedMomentum = ele.p();
             double combinedMomentumError = ele.p4Error(ele.candidateP4Kind());
             // FIXME : p4Error not filled for pure tracker electrons
             // Recompute it using the parametrization implemented in 
             // RecoEgamma/EgammaElectronAlgos/src/ElectronEnergyCorrector.cc::simpleParameterizationUncertainty() 
             if( !ele.ecalDrivenSeed() )
             {
                 double error = 999. ;
                 double momentum = (combinedMomentum<15. ? 15. : combinedMomentum);
                 if ( ele.isEB() )
                 {
                     float parEB[3] = { 5.24e-02,  2.01e-01, 1.00e-02};
                     error = momentum * sqrt( pow(parEB[0]/sqrt(momentum),2) + pow(parEB[1]/momentum,2) + pow(parEB[2],2) );
                 }
                 else if ( ele.isEE() )
                 {
                     float parEE[3] = { 1.46e-01, 9.21e-01, 1.94e-03} ;
                     error = momentum * sqrt( pow(parEE[0]/sqrt(momentum),2) + pow(parEE[1]/momentum,2) + pow(parEE[2],2) );
                 }
                 combinedMomentumError = error;
             }
     
             if (ele.classification() == reco::GsfElectron::GOLDEN) {elClass = 0;}
             if (ele.classification() == reco::GsfElectron::BIGBREM) {elClass = 1;}
             if (ele.classification() == reco::GsfElectron::BADTRACK) {elClass = 2;}
             if (ele.classification() == reco::GsfElectron::SHOWERING) {elClass = 3;}
             if (ele.classification() == reco::GsfElectron::GAP) {elClass = 4;}
 
             SimpleElectron mySimpleElectron
                 (
                     run, 
                     elClass, 
                     r9, 
                     correctedEcalEnergy, 
                     correctedEcalEnergyError, 
                     trackMomentum, 
                     trackMomentumError, 
                     regressionEnergy, 
                     regressionEnergyError, 
                     combinedMomentum, 
                     combinedMomentumError, 
                     ele.superCluster()->eta(), 
                     ele.isEB(), 
                     isMC, 
                     ele.ecalDriven(), 
                     ele.trackerDrivenSeed()
                 );
 
             // energy calibration for ecalDriven electrons
             if ( ele.core()->ecalDrivenSeed() || correctionsType==2 || combinationType==3 ) 
             {
                 theEnCorrector->calibrate(mySimpleElectron);
         
                 // E-p combination  
         
                 switch ( combinationType )
                 {
                     case 0: 
                         if ( verbose ) 
                         {
                             std::cout << "[CalibratedGsfElectronProducer] " 
                             << "You choose not to combine." << std::endl;
                         }
                         break;
                     case 1: 
                         if ( verbose ) 
                         {
                             std::cout << "[CalibratedGsfElectronProducer] " 
                             << "You choose corrected regression energy for standard combination" << std::endl;
                         }
                         myCombinator->setCombinationMode(1);
                         myCombinator->combine(mySimpleElectron);
                         break;
                     case 2: 
                         if ( verbose ) 
                         {
                             std::cout << "[CalibratedGsfElectronProducer] " 
                             << "You choose uncorrected regression energy for standard combination" << std::endl;
                         }
                         myCombinator->setCombinationMode(2);
                         myCombinator->combine(mySimpleElectron);
                         break;
                     case 3: 
                         if ( verbose ) 
                         {
                             std::cout << "[CalibratedGsfElectronProducer] "
                             << "You choose regression combination." << std::endl;
                         }
                         myEpCombinationTool->combine(mySimpleElectron);
                         theEnCorrector->correctLinearity(mySimpleElectron);
                         break;
                     default: 
                         throw cms::Exception("CalibratedgsfElectronProducer|ConfigError")
                             << "Unknown combination Type !!!" ;
                 }
 
                 math::XYZTLorentzVector oldMomentum = ele.p4() ;
                 math::XYZTLorentzVector newMomentum_ ;
                 newMomentum_ = math::XYZTLorentzVector
                  ( oldMomentum.x()*mySimpleElectron.getCombinedMomentum()/oldMomentum.t(),
                    oldMomentum.y()*mySimpleElectron.getCombinedMomentum()/oldMomentum.t(),
                    oldMomentum.z()*mySimpleElectron.getCombinedMomentum()/oldMomentum.t(),
                    mySimpleElectron.getCombinedMomentum() ) ;
 
                 ele.correctMomentum
                     (
                         newMomentum_,
                         mySimpleElectron.getTrackerMomentumError(),
                         mySimpleElectron.getCombinedMomentumError()
                     );
 
                 if ( verbose ) 
                 {
                     std::cout << "[CalibratedGsfElectronProducer] Combined momentum after saving "
                         << ele.p4().t() << std::endl;
                 }
             }// end of if (ele.core()->ecalDrivenSeed()) 
         }// end of loop on electrons 
     } else 
     {
         if ( verbose ) 
         {
             std::cout << "[CalibratedGsfElectronProducer] "
             << "You choose not to correct. Uncorrected Regression Energy is taken." << std::endl;
         }
     }
 
     // Save the electrons
     const edm::OrphanHandle<reco::GsfElectronCollection> gsfNewElectronHandle = event.put(electrons, newElectronName_) ;
     energyFiller.insert(gsfNewElectronHandle,regressionValues.begin(),regressionValues.end());
     energyFiller.fill();
     energyErrorFiller.insert(gsfNewElectronHandle,regressionErrorValues.begin(),regressionErrorValues.end());
     energyErrorFiller.fill();
     
     event.put(regrNewEnergyMap,nameNewEnergyReg_);
     event.put(regrNewEnergyErrorMap,nameNewEnergyErrorReg_);
 }