#include <EcalRecalibRecHitProducer.h>

Inheritance diagram for EcalRecalibRecHitProducer:

Public Member Functions
	EcalRecalibRecHitProducer (const edm::ParameterSet &ps)
virtual void	produce (edm::Event &evt, const edm::EventSetup &es)
	~EcalRecalibRecHitProducer ()
Private Attributes
bool	doEnergyScale_
bool	doIntercalib_
bool	doLaserCorrections_
EcalRecHitAbsAlgo *	EBalgo_
std::string	EBRecalibRecHitCollection_
edm::InputTag	EBRecHitCollection_
EcalRecHitAbsAlgo *	EEalgo_
std::string	EERecalibRecHitCollection_
edm::InputTag	EERecHitCollection_

Detailed Description

produce ECAL rechits from uncalibrated rechits

Id:: EcalRecalibRecHitProducer.cc,v 1.5 2011/09/22 17:32:18 meridian Exp

Date:: 2011/09/22 17:32:18

Revision:: 1.5

Author:: Federico Ferri, University of Milano Bicocca and INFN

produce ECAL rechits from uncalibrated rechits

Id:: EcalRecalibRecHitProducer.h,v 1.2 2008/12/10 02:20:30 ferriff Exp

Date:: 2008/12/10 02:20:30

Revision:: 1.2

Author:: Federico Ferri, University of Milano Bicocca and INFN

Definition at line 21 of file EcalRecalibRecHitProducer.h.

Constructor & Destructor Documentation

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

Definition at line 39 of file EcalRecalibRecHitProducer.cc.

References doEnergyScale_, doIntercalib_, doLaserCorrections_, EBalgo_, EBRecalibRecHitCollection_, EBRecHitCollection_, EEalgo_, EERecalibRecHitCollection_, EERecHitCollection_, and edm::ParameterSet::getParameter().

                                                                              {

   EBRecHitCollection_ = ps.getParameter<edm::InputTag>("EBRecHitCollection");
   EERecHitCollection_ = ps.getParameter<edm::InputTag>("EERecHitCollection");
   EBRecalibRecHitCollection_        = ps.getParameter<std::string>("EBRecalibRecHitCollection");
   EERecalibRecHitCollection_        = ps.getParameter<std::string>("EERecalibRecHitCollection");
   doEnergyScale_             = ps.getParameter<bool>("doEnergyScale");
   doIntercalib_              = ps.getParameter<bool>("doIntercalib");
   doLaserCorrections_        = ps.getParameter<bool>("doLaserCorrections");

   EBalgo_ = new EcalRecHitSimpleAlgo();
   EEalgo_ = new EcalRecHitSimpleAlgo();

   produces< EBRecHitCollection >(EBRecalibRecHitCollection_);
   produces< EERecHitCollection >(EERecalibRecHitCollection_);
}

EcalRecalibRecHitProducer::~EcalRecalibRecHitProducer ( )

Definition at line 56 of file EcalRecalibRecHitProducer.cc.

References EBalgo_, and EEalgo_.

                                                      {

  if (EBalgo_) delete EBalgo_;
  if (EEalgo_) delete EEalgo_;

}

Member Function Documentation

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

Implements edm::EDProducer.

Definition at line 63 of file EcalRecalibRecHitProducer.cc.

References doEnergyScale_, doIntercalib_, doLaserCorrections_, EBRecalibRecHitCollection_, EBRecHitCollection_, egHLT::errCodes::EBRecHits, EERecalibRecHitCollection_, EERecHitCollection_, egHLT::errCodes::EERecHits, EcalCondObjectContainer< T >::end(), EcalCondObjectContainer< T >::find(), edm::EventSetup::get(), edm::Event::getByLabel(), EcalCondObjectContainer< T >::getMap(), edm::InputTag::label(), LogDebug, edm::Event::put(), and edm::EventBase::time().

{
        using namespace edm;
        Handle< EBRecHitCollection > pEBRecHits;
        Handle< EERecHitCollection > pEERecHits;

        const EBRecHitCollection*  EBRecHits = 0;
        const EERecHitCollection*  EERecHits = 0; 

        //        if ( EBRecHitCollection_.label() != "" && EBRecHitCollection_.instance() != "" ) {
        if ( EBRecHitCollection_.label() != "" ) {
                evt.getByLabel( EBRecHitCollection_, pEBRecHits);
                if ( pEBRecHits.isValid() ) {
                        EBRecHits = pEBRecHits.product(); // get a ptr to the product
#ifdef DEBUG
                        LogDebug("EcalRecHitDebug") << "total # EB rechits to be re-calibrated: " << EBRecHits->size();
#endif
                } else {
                        edm::LogError("EcalRecHitError") << "Error! can't get the product " << EBRecHitCollection_.label() ;
                }
        }

        //        if ( EERecHitCollection_.label() != "" && EERecHitCollection_.instance() != "" ) {
        if ( EERecHitCollection_.label() != ""  ) {
                evt.getByLabel( EERecHitCollection_, pEERecHits);
                if ( pEERecHits.isValid() ) {
                        EERecHits = pEERecHits.product(); // get a ptr to the product
#ifdef DEBUG
                        LogDebug("EcalRecHitDebug") << "total # EE uncalibrated rechits to be re-calibrated: " << EERecHits->size();
#endif
                } else {
                        edm::LogError("EcalRecHitError") << "Error! can't get the product " << EERecHitCollection_.label() ;
                }
        }

        // collection of rechits to put in the event
        std::auto_ptr< EBRecHitCollection > EBRecalibRecHits( new EBRecHitCollection );
        std::auto_ptr< EERecHitCollection > EERecalibRecHits( new EERecHitCollection );

        // now fetch all conditions we need to make rechits
        // ADC to GeV constant
        edm::ESHandle<EcalADCToGeVConstant> pAgc;
        const EcalADCToGeVConstant *agc = 0;
        float agc_eb = 1.;
        float agc_ee = 1.;
        if (doEnergyScale_) {
                es.get<EcalADCToGeVConstantRcd>().get(pAgc);
                agc = pAgc.product();
                // use this value in the algorithm
                agc_eb = float(agc->getEBValue());
                agc_ee = float(agc->getEEValue());
        }
        // Intercalib constants
        edm::ESHandle<EcalIntercalibConstants> pIcal;
        const EcalIntercalibConstants *ical = 0;
        if (doIntercalib_) {
                es.get<EcalIntercalibConstantsRcd>().get(pIcal);
                ical = pIcal.product();
        }
        // Laser corrections
        edm::ESHandle<EcalLaserDbService> pLaser;
        es.get<EcalLaserDbRecord>().get( pLaser );

        if (EBRecHits) {
                // loop over uncalibrated rechits to make calibrated ones
                for(EBRecHitCollection::const_iterator it  = EBRecHits->begin(); it != EBRecHits->end(); ++it) {

                        EcalIntercalibConstant icalconst = 1.;
                        if (doIntercalib_) {
                                // find intercalib constant for this xtal
                                const EcalIntercalibConstantMap &icalMap = ical->getMap();
                                EcalIntercalibConstantMap::const_iterator icalit = icalMap.find(it->id());
                                if( icalit!=icalMap.end() ){
                                        icalconst = (*icalit);
                                } else {
                                        edm::LogError("EcalRecHitError") << "No intercalib const found for xtal " << EBDetId(it->id()) << "! something wrong with EcalIntercalibConstants in your DB? "
                                                ;
                                }
                        }
                        // get laser coefficient
                        float lasercalib = 1;
                        if (doLaserCorrections_) {
                                lasercalib = pLaser->getLaserCorrection( EBDetId(it->id()), evt.time() );
                        }

                        // make the rechit and put in the output collection
                        // must implement op= for EcalRecHit
                        EcalRecHit aHit( (*it).id(), (*it).energy() * agc_eb * icalconst * lasercalib, (*it).time() );
                        EBRecalibRecHits->push_back( aHit );
                }
        }

        if (EERecHits)
        {
                // loop over uncalibrated rechits to make calibrated ones
                for(EERecHitCollection::const_iterator it  = EERecHits->begin();
                                it != EERecHits->end(); ++it) {

                        // find intercalib constant for this xtal
                        EcalIntercalibConstant icalconst = 1.;
                        if (doIntercalib_) {
                                const EcalIntercalibConstantMap &icalMap = ical->getMap();
                                EcalIntercalibConstantMap::const_iterator icalit=icalMap.find(it->id());
                                if( icalit!=icalMap.end() ) {
                                        icalconst = (*icalit);
                                } else {
                                        edm::LogError("EcalRecHitError") << "No intercalib const found for xtal " << EEDetId(it->id()) << "! something wrong with EcalIntercalibConstants in your DB? ";
                                }
                        }
                        // get laser coefficient
                        float lasercalib = 1;
                        if (doLaserCorrections_) {
                                lasercalib = pLaser->getLaserCorrection( EEDetId(it->id()), evt.time() );
                        }

                        // make the rechit and put in the output collection
                        // must implement op= for EcalRecHit
                        //EcalRecHit aHit( EEalgo_->makeRecHit(*it, icalconst * lasercalib) );
                        EcalRecHit aHit( (*it).id(), (*it).energy() * agc_ee * icalconst * lasercalib, (*it).time() );
                        EERecalibRecHits->push_back( aHit );
                }
        }
        // put the collection of recunstructed hits in the event   
        LogInfo("EcalRecalibRecHitInfo") << "total # EB re-calibrated rechits: " << EBRecalibRecHits->size();
        LogInfo("EcalRecalibRecHitInfo") << "total # EE re-calibrated rechits: " << EERecalibRecHits->size();

        evt.put( EBRecalibRecHits, EBRecalibRecHitCollection_ );
        evt.put( EERecalibRecHits, EERecalibRecHitCollection_ );
}