ConvertedPhotonProducer Class Reference

#include <ConvertedPhotonProducer.h>

Inheritance diagram for ConvertedPhotonProducer:

Public Member Functions
virtual void	beginRun (edm::Run &r, edm::EventSetup const &es)
	ConvertedPhotonProducer (const edm::ParameterSet &ps)
virtual void	endJob ()
virtual void	endRun (edm::Run &r, edm::EventSetup const &es)
virtual void	produce (edm::Event &evt, const edm::EventSetup &es)
	~ConvertedPhotonProducer ()
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
void	buildCollections (edm::EventSetup const &es, const edm::Handle< edm::View< reco::CaloCluster > > &scHandle, const edm::Handle< edm::View< reco::CaloCluster > > &bcHandle, const edm::Handle< CaloTowerCollection > &hcalTowersHandle, const edm::Handle< reco::TrackCollection > &trkHandle, std::map< std::vector< reco::TransientTrack >, reco::CaloClusterPtr, CompareTwoTracksVectors > &allPairs, reco::ConversionCollection &outputConvPhotonCollection)
float	calculateMinApproachDistance (const reco::TrackRef &track1, const reco::TrackRef &track2)
void	cleanCollections (const edm::Handle< edm::View< reco::CaloCluster > > &scHandle, const edm::OrphanHandle< reco::ConversionCollection > &conversionHandle, reco::ConversionCollection &outputCollection)
void	getCircleCenter (const reco::TrackRef &tk, double r, double &x0, double &y0)
std::vector< reco::ConversionRef >	solveAmbiguity (const edm::OrphanHandle< reco::ConversionCollection > &conversionHandle, reco::CaloClusterPtr &sc)
math::XYZPointF	toFConverterP (const math::XYZPoint &val)
math::XYZVectorF	toFConverterV (const math::XYZVector &val)

Private Attributes
std::string	algoName_
edm::InputTag	bcBarrelCollection_
edm::InputTag	bcEndcapCollection_
std::string	CleanedConvertedPhotonCollection_
edm::ParameterSet	conf_
std::string	conversionIOTrackProducer_
std::string	conversionOITrackProducer_
std::string	ConvertedPhotonCollection_
double	deltaCotCut_
double	dRForConversionRecovery_
edm::InputTag	hcalTowers_
double	hOverEConeSize_
std::string	inOutTrackSCAssociationCollection_
std::string	likelihoodWeights_
double	maxHOverE_
int	maxNumOfCandidates_
double	minApproachDisCut_
double	minSCEt_
int	nEvt_
std::string	outInTrackSCAssociationCollection_
bool	recoverOneTrackCase_
bool	risolveAmbiguity_
edm::InputTag	scHybridBarrelProducer_
edm::InputTag	scIslandEndcapProducer_
edm::ESHandle< CaloGeometry >	theCaloGeom_
ConversionTrackEcalImpactPoint *	theEcalImpactPositionFinder_
ConversionLikelihoodCalculator *	theLikelihoodCalc_
edm::ESHandle< MagneticField >	theMF_
ConversionTrackPairFinder *	theTrackPairFinder_
edm::ESHandle < TransientTrackBuilder >	theTransientTrackBuilder_
ConversionVertexFinder *	theVertexFinder_

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

Id:

ConvertedPhotonProducer.h,v 1.35 2011/06/08 13:22:40 nancy Exp

Date:

2011/06/08 13:22:40

Revision:

1.35

Author

Nancy Marinelli, U. of Notre Dame, US

Definition at line 38 of file ConvertedPhotonProducer.h.

Constructor & Destructor Documentation

ConvertedPhotonProducer::ConvertedPhotonProducer

(

const edm::ParameterSet &

ps

)

Definition at line 46 of file ConvertedPhotonProducer.cc.

References algoName_, bcBarrelCollection_, bcEndcapCollection_, CleanedConvertedPhotonCollection_, conf_, conversionIOTrackProducer_, conversionOITrackProducer_, ConvertedPhotonCollection_, deltaCotCut_, dRForConversionRecovery_, edm::ParameterSet::getParameter(), hcalTowers_, hOverEConeSize_, inOutTrackSCAssociationCollection_, likelihoodWeights_, maxHOverE_, maxNumOfCandidates_, minApproachDisCut_, minSCEt_, nEvt_, outInTrackSCAssociationCollection_, recoverOneTrackCase_, risolveAmbiguity_, scHybridBarrelProducer_, scIslandEndcapProducer_, theLikelihoodCalc_, theTrackPairFinder_, and theVertexFinder_.

                                                                              : 
  conf_(config), 
  theTrackPairFinder_(0), 
  theVertexFinder_(0), 
  theLikelihoodCalc_(0)
{


  
  //cout<< " ConvertedPhotonProducer CTOR " << "\n";
  
  
  
  // use onfiguration file to setup input collection names
  bcBarrelCollection_     = conf_.getParameter<edm::InputTag>("bcBarrelCollection");
  bcEndcapCollection_     = conf_.getParameter<edm::InputTag>("bcEndcapCollection");
  
  scHybridBarrelProducer_       = conf_.getParameter<edm::InputTag>("scHybridBarrelProducer");
  scIslandEndcapProducer_       = conf_.getParameter<edm::InputTag>("scIslandEndcapProducer");

  conversionOITrackProducer_ = conf_.getParameter<std::string>("conversionOITrackProducer");
  conversionIOTrackProducer_ = conf_.getParameter<std::string>("conversionIOTrackProducer");
  
  outInTrackSCAssociationCollection_ = conf_.getParameter<std::string>("outInTrackSCAssociation");
  inOutTrackSCAssociationCollection_ = conf_.getParameter<std::string>("inOutTrackSCAssociation");
  
  algoName_ = conf_.getParameter<std::string>( "AlgorithmName" );  

  hcalTowers_ = conf_.getParameter<edm::InputTag>("hcalTowers");
  hOverEConeSize_   = conf_.getParameter<double>("hOverEConeSize");
  maxHOverE_        = conf_.getParameter<double>("maxHOverE");
  minSCEt_        = conf_.getParameter<double>("minSCEt");
  recoverOneTrackCase_ = conf_.getParameter<bool>( "recoverOneTrackCase" );  
  dRForConversionRecovery_ = conf_.getParameter<double>("dRForConversionRecovery");
  deltaCotCut_ = conf_.getParameter<double>("deltaCotCut");
  minApproachDisCut_ = conf_.getParameter<double>("minApproachDisCut");

  maxNumOfCandidates_        = conf_.getParameter<int>("maxNumOfCandidates");
  risolveAmbiguity_ = conf_.getParameter<bool>("risolveConversionAmbiguity");  
  likelihoodWeights_= conf_.getParameter<std::string>("MVA_weights_location");
  
 
  // use onfiguration file to setup output collection names
  ConvertedPhotonCollection_     = conf_.getParameter<std::string>("convertedPhotonCollection");
  CleanedConvertedPhotonCollection_     = conf_.getParameter<std::string>("cleanedConvertedPhotonCollection");
  
  
  // Register the product
  produces< reco::ConversionCollection >(ConvertedPhotonCollection_);
  produces< reco::ConversionCollection >(CleanedConvertedPhotonCollection_);
  
  // instantiate the Track Pair Finder algorithm
  theTrackPairFinder_ = new ConversionTrackPairFinder ();
  edm::FileInPath path_mvaWeightFile(likelihoodWeights_.c_str() );      
  theLikelihoodCalc_ = new ConversionLikelihoodCalculator();
  theLikelihoodCalc_->setWeightsFile(path_mvaWeightFile.fullPath().c_str());
  // instantiate the Vertex Finder algorithm
  theVertexFinder_ = new ConversionVertexFinder ( conf_);


  // Inizilize my global event counter
  nEvt_=0;
  
}

ConvertedPhotonProducer::~ConvertedPhotonProducer

(

)

Definition at line 111 of file ConvertedPhotonProducer.cc.

References theLikelihoodCalc_, theTrackPairFinder_, and theVertexFinder_.

                                                  {
  delete theTrackPairFinder_;
  delete theLikelihoodCalc_;
  delete theVertexFinder_;
}

Member Function Documentation

void ConvertedPhotonProducer::beginRun ( edm::Run &  r, edm::EventSetup const &  es  )

virtual

Reimplemented from edm::EDProducer.

Definition at line 119 of file ConvertedPhotonProducer.cc.

References edm::EventSetup::get(), theMF_, and theTransientTrackBuilder_.

                                                                                       {
 

    //get magnetic field
  //edm::LogInfo("ConvertedPhotonProducer") << " get magnetic field" << "\n";
  theEventSetup.get<IdealMagneticFieldRecord>().get(theMF_);  

  // Transform Track into TransientTrack (needed by the Vertex fitter)
  theEventSetup.get<TransientTrackRecord>().get("TransientTrackBuilder",theTransientTrackBuilder_);

  
}

void ConvertedPhotonProducer::buildCollections ( edm::EventSetup const &  es, const edm::Handle< edm::View< reco::CaloCluster > > &  scHandle, const edm::Handle< edm::View< reco::CaloCluster > > &  bcHandle, const edm::Handle< CaloTowerCollection > &  hcalTowersHandle, const edm::Handle< reco::TrackCollection > &  trkHandle, std::map< std::vector< reco::TransientTrack >, reco::CaloClusterPtr, CompareTwoTracksVectors > &  allPairs, reco::ConversionCollection &  outputConvPhotonCollection  )

private

Definition at line 302 of file ConvertedPhotonProducer.cc.

References algo, reco::Conversion::algoByName(), algoName_, begin, ConversionLikelihoodCalculator::calculateLikelihood(), calculateMinApproachDistance(), edm::PtrVectorBase::clear(), deltaCotCut_, dPhi(), dRForConversionRecovery_, alignCSCRings::e, end, reco::CaloCluster::energy(), cms::Exception::explainSelf(), ConversionTrackEcalImpactPoint::find(), EgammaTowerIsolation::getTowerESum(), hOverEConeSize_, i, edm::Ref< C, T, F >::isNonnull(), reco::Vertex::isValid(), Association::map, ConversionTrackEcalImpactPoint::matchingBC(), maxHOverE_, metname, minApproachDisCut_, minSCEt_, p4, reco::TrackTransientTrack::persistentTrackRef(), edm::Handle< T >::product(), edm::PtrVector< T >::push_back(), recoverOneTrackCase_, ConversionVertexFinder::run(), reco::Conversion::setMVAout(), mathSSE::sqrt(), funct::tan(), theLikelihoodCalc_, theMF_, theVertexFinder_, toFConverterP(), and toFConverterV().

Referenced by produce().

{

 // instantiate the algorithm for finding the position of the track extrapolation at the Ecal front face
  ConversionTrackEcalImpactPoint theEcalImpactPositionFinder( &(*theMF_) );
  

  reco::Conversion::ConversionAlgorithm algo = reco::Conversion::algoByName(algoName_);
 
  std::vector<reco::TransientTrack> t_generalTrk;
  if (  recoverOneTrackCase_ )  t_generalTrk = ( *theTransientTrackBuilder_ ).build(generalTrkHandle );
  //const CaloGeometry* geometry = theCaloGeom_.product(); 

  //  Loop over SC in the barrel and reconstruct converted photons
  int myCands=0;
  reco::CaloClusterPtrVector scPtrVec;
  for (unsigned i = 0; i < scHandle->size(); ++i ) {
    reco::CaloClusterPtr aClus= scHandle->ptrAt(i);

    // preselection based in Et and H/E cut
    if (aClus->energy()/cosh(aClus->eta()) <= minSCEt_) continue;
    const reco::CaloCluster* pClus=&(*aClus);
    const reco::SuperCluster*  sc=dynamic_cast<const reco::SuperCluster*>(pClus);
    const CaloTowerCollection* hcalTowersColl = hcalTowersHandle.product();
    EgammaTowerIsolation towerIso(hOverEConeSize_,0.,0.,-1,hcalTowersColl) ;
    double HoE=towerIso.getTowerESum(sc)/sc->energy();
    if (HoE>=maxHOverE_)  continue;


    std::vector<edm::Ref<reco::TrackCollection> > trackPairRef;
    std::vector<math::XYZPointF> trackInnPos;
    std::vector<math::XYZVectorF> trackPin;
    std::vector<math::XYZVectorF> trackPout;
    float minAppDist=-99;

    //LogDebug("ConvertedPhotonProducer") << "ConvertedPhotonProducer SC energy " << aClus->energy() << " eta " <<  aClus->eta() << " phi " <<  aClus->phi() << "\n";

    
    const reco::Particle::Point  vtx( 0, 0, 0 );

   
    math::XYZVector direction =aClus->position() - vtx;
    math::XYZVector momentum = direction.unit() * aClus->energy();
    const reco::Particle::LorentzVector  p4(momentum.x(), momentum.y(), momentum.z(), aClus->energy() );
    
    int nFound=0;    
    if ( allPairs.size() ) {

      nFound=0;


      for (  std::map<std::vector<reco::TransientTrack>, reco::CaloClusterPtr>::const_iterator iPair= allPairs.begin(); iPair!= allPairs.end(); ++iPair ) {
    scPtrVec.clear();

    reco::Vertex  theConversionVertex;       
    reco::CaloClusterPtr caloPtr=iPair->second;
    if ( !( aClus == caloPtr ) ) continue;
            
        scPtrVec.push_back(aClus);     
    nFound++;

    std::vector<math::XYZPointF> trkPositionAtEcal = theEcalImpactPositionFinder.find(  iPair->first, bcHandle );
    std::vector<reco::CaloClusterPtr>  matchingBC = theEcalImpactPositionFinder.matchingBC();
    

        minAppDist=-99;
    const std::string metname = "ConvertedPhotons|ConvertedPhotonProducer";
    if ( (iPair->first).size()  > 1 ) {
      try{
        
        theVertexFinder_->run(iPair->first, theConversionVertex ); 
        
        
      }
      catch ( cms::Exception& e ) {
        //std::cout << " cms::Exception caught in ConvertedPhotonProducer::produce" << "\n" ;
        edm::LogWarning(metname) << "cms::Exception caught in ConvertedPhotonProducer::produce\n"
                     << e.explainSelf();
        
      }
     
      // Old TwoTrackMinimumDistance md;
      // Old md.calculate  (  (iPair->first)[0].initialFreeState(),  (iPair->first)[1].initialFreeState() );
          // Old minAppDist = md.distance(); 
 
    
    

        
    

    /*
    for ( unsigned int i=0; i< matchingBC.size(); ++i) {
          if (  matchingBC[i].isNull() )  std::cout << " This ref to BC is null: skipping " <<  "\n";
          else 
        std::cout << " BC energy " << matchingBC[i]->energy() <<  "\n";
    }
    */


    trackPairRef.clear();
        trackInnPos.clear();
    trackPin.clear();
    trackPout.clear();
      
    
    for ( std::vector<reco::TransientTrack>::const_iterator iTk=(iPair->first).begin(); iTk!= (iPair->first).end(); ++iTk) {
      //LogDebug("ConvertedPhotonProducer")  << "  ConvertedPhotonProducer Transient Tracks in the pair  charge " << iTk->charge() << " Num of RecHits " << iTk->recHitsSize() << " inner momentum " << iTk->track().innerMomentum() << "\n";  
      
      const reco::TrackTransientTrack* ttt = dynamic_cast<const reco::TrackTransientTrack*>(iTk->basicTransientTrack());
      reco::TrackRef myTkRef= ttt->persistentTrackRef(); 
      
      //LogDebug("ConvertedPhotonProducer")  << " ConvertedPhotonProducer Ref to Rec Tracks in the pair  charge " << myTkRef->charge() << " Num of RecHits " << myTkRef->recHitsSize() << " inner momentum " << myTkRef->innerMomentum() << "\n";  
      if ( myTkRef->extra().isNonnull() ) {
        trackInnPos.push_back(  toFConverterP(myTkRef->innerPosition()));
        trackPin.push_back(  toFConverterV( myTkRef->innerMomentum()));
        trackPout.push_back(  toFConverterV(myTkRef->outerMomentum()));
      }
      trackPairRef.push_back(myTkRef);
      
    }
    
    //  std::cout << " ConvertedPhotonProducer trackPin size " << trackPin.size() << std::endl;
    //LogDebug("ConvertedPhotonProducer")  << " ConvertedPhotonProducer SC energy " <<  aClus->energy() << "\n";
    //LogDebug("ConvertedPhotonProducer") << " ConvertedPhotonProducer photon p4 " << p4  << "\n";
    //LogDebug("ConvertedPhotonProducer") << " ConvertedPhotonProducer vtx " << vtx.x() << " " << vtx.y() << " " << vtx.z() << "\n";
        if( theConversionVertex.isValid() ) {
      
      //LogDebug("ConvertedPhotonProducer") << " ConvertedPhotonProducer theConversionVertex " << theConversionVertex.position().x() << " " << theConversionVertex.position().y() << " " << theConversionVertex.position().z() << "\n";
      
    }
    //LogDebug("ConvertedPhotonProducer") << " ConvertedPhotonProducer trackPairRef  " << trackPairRef.size() <<  "\n";

        
    minAppDist=calculateMinApproachDistance( trackPairRef[0],  trackPairRef[1]);

    double like = -999.;
    reco::Conversion  newCandidate(scPtrVec,  trackPairRef,  trkPositionAtEcal, theConversionVertex, matchingBC,  minAppDist, trackInnPos, trackPin, trackPout, like, algo);
//    like = theLikelihoodCalc_->calculateLikelihood(newCandidate, es );
    like = theLikelihoodCalc_->calculateLikelihood( newCandidate );
//    std::cout << "like = " << like << std::endl;
    newCandidate.setMVAout(like);
    outputConvPhotonCollection.push_back(newCandidate);
    
    
    myCands++;
    //LogDebug("ConvertedPhotonProducer") << " ConvertedPhotonProducer Put the ConvertedPhotonCollection a candidate in the Barrel " << "\n";
    
    } else {
      
      
      //      std::cout << "   ConvertedPhotonProducer case with only one track found " <<  "\n";
 
        //std::cout << "   ConvertedPhotonProducer recovering one track " <<  "\n";
        trackPairRef.clear();
        trackInnPos.clear();
        trackPin.clear();
        trackPout.clear();
        std::vector<reco::TransientTrack>::const_iterator iTk=(iPair->first).begin();
        //std::cout  << "  ConvertedPhotonProducer Transient Tracks in the pair  charge " << iTk->charge() << " Num of RecHits " << iTk->recHitsSize() << " inner momentum " << iTk->track().innerMomentum() << " pt " << sqrt(iTk->track().innerMomentum().perp2()) << "\n";     
        const reco::TrackTransientTrack* ttt = dynamic_cast<const reco::TrackTransientTrack*>(iTk->basicTransientTrack());
        reco::TrackRef myTk= ttt->persistentTrackRef(); 
        if ( myTk->extra().isNonnull() ) {
          trackInnPos.push_back(  toFConverterP(myTk->innerPosition()));
          trackPin.push_back(  toFConverterV(myTk->innerMomentum()));
          trackPout.push_back(  toFConverterV(myTk->outerMomentum()));
        }
        trackPairRef.push_back(myTk);
        //std::cout << " Provenance " << myTk->algoName() << std::endl;
    
        if (  recoverOneTrackCase_ ) {    
          float theta1 = myTk->innerMomentum().Theta();
          float dCot=999.;
          float dCotTheta=-999.;
          reco::TrackRef goodRef;
          std::vector<reco::TransientTrack>::const_iterator iGoodGenTran;
          for ( std::vector<reco::TransientTrack>::const_iterator iTran= t_generalTrk.begin(); iTran != t_generalTrk.end(); ++iTran) {
        const reco::TrackTransientTrack* ttt = dynamic_cast<const reco::TrackTransientTrack*>(iTran->basicTransientTrack());
        reco::TrackRef trRef= ttt->persistentTrackRef(); 
        if ( trRef->charge()*myTk->charge() > 0 ) continue;
        float dEta =  trRef->eta() - myTk->eta();
        float dPhi =  trRef->phi() - myTk->phi();
        if ( sqrt (dEta*dEta + dPhi*dPhi) > dRForConversionRecovery_ ) continue; 
        float theta2 = trRef->innerMomentum().Theta();
        dCotTheta =  1./tan(theta1) - 1./tan(theta2) ;
        //  std::cout << "  ConvertedPhotonProducer recovering general transient track charge " << trRef->charge() << " momentum " << trRef->innerMomentum() << " dcotTheta " << fabs(dCotTheta) << std::endl;
        if ( fabs(dCotTheta) < dCot ) {
          dCot = fabs(dCotTheta);
          goodRef = trRef;
          iGoodGenTran=iTran;
        }
          }
          
          if ( goodRef.isNonnull() ) {
        
        minAppDist=calculateMinApproachDistance( myTk, goodRef);
        
        // std::cout << "  ConvertedPhotonProducer chosen dCotTheta " <<  fabs(dCotTheta) << std::endl;
        if ( fabs(dCotTheta) < deltaCotCut_ && minAppDist > minApproachDisCut_ ) {
          trackInnPos.push_back(  toFConverterP(goodRef->innerPosition())); 
          trackPin.push_back(  toFConverterV(goodRef->innerMomentum()));
          trackPout.push_back(  toFConverterV(goodRef->outerMomentum()));
          trackPairRef.push_back( goodRef );
          //        std::cout << " ConvertedPhotonProducer adding opposite charge track from generalTrackCollection charge " <<  goodRef ->charge() << " pt " << sqrt(goodRef->innerMomentum().perp2())  << " trackPairRef size " << trackPairRef.size() << std::endl;            
          //std::cout << " Track Provenenance " << goodRef->algoName() << std::endl; 
          std::vector<reco::TransientTrack> mypair;
          mypair.push_back(*iTk); 
          mypair.push_back(*iGoodGenTran); 
          
          try{
            theVertexFinder_->run(iPair->first, theConversionVertex ); 
            
          }
          catch ( cms::Exception& e ) {
            //std::cout << " cms::Exception caught in ConvertedPhotonProducer::produce" << "\n" ;
            edm::LogWarning(metname) << "cms::Exception caught in ConvertedPhotonProducer::produce\n"
                         << e.explainSelf();
            
          }
        } 
        
          }     
          
        } // bool On/Off one track case recovery using generalTracks  
        double like = -999.;
        reco::Conversion  newCandidate(scPtrVec,  trackPairRef,  trkPositionAtEcal, theConversionVertex, matchingBC,  minAppDist, trackInnPos, trackPin, trackPout, like, algo);
        like = theLikelihoodCalc_->calculateLikelihood(newCandidate);
        newCandidate.setMVAout(like);
        outputConvPhotonCollection.push_back(newCandidate);
          
          
          
        
    } // case with only on track: looking in general tracks
    
    
    
    
      } 
      
    }
    


    
  }
  




}

float ConvertedPhotonProducer::calculateMinApproachDistance ( const reco::TrackRef &  track1, const reco::TrackRef &  track2  )

private

Definition at line 655 of file ConvertedPhotonProducer.cc.

References getCircleCenter(), mathSSE::sqrt(), and theMF_.

Referenced by buildCollections().

                                                                                                                    {
  float dist=9999.;

  double x1, x2, y1, y2;
  double xx_1 = track1->innerPosition().x(), yy_1 = track1->innerPosition().y(), zz_1 = track1->innerPosition().z();
  double xx_2 = track2->innerPosition().x(), yy_2 = track2->innerPosition().y(), zz_2 = track2->innerPosition().z();
  double radius1 = track1->innerMomentum().Rho()/(.3*(theMF_->inTesla(GlobalPoint(xx_1, yy_1, zz_1)).z()))*100;
  double radius2 = track2->innerMomentum().Rho()/(.3*(theMF_->inTesla(GlobalPoint(xx_2, yy_2, zz_2)).z()))*100;
  getCircleCenter(track1, radius1, x1, y1);
  getCircleCenter(track2, radius2, x2, y2);
  dist = sqrt((x1-x2)*(x1-x2)+(y1-y2)*(y1-y2)) - radius1 - radius2;
  
 return dist;

} 

void ConvertedPhotonProducer::cleanCollections ( const edm::Handle< edm::View< reco::CaloCluster > > &  scHandle, const edm::OrphanHandle< reco::ConversionCollection > &  conversionHandle, reco::ConversionCollection &  outputCollection  )

private

Definition at line 566 of file ConvertedPhotonProducer.cc.

References reco::Conversion::clone(), clone(), edm::Ptr< T >::id(), edm::Ref< C, T, F >::id(), edm::OrphanHandleBase::isValid(), edm::Ptr< T >::key(), edm::Ref< C, T, F >::key(), minSCEt_, risolveAmbiguity_, and solveAmbiguity().

Referenced by produce().

                                                                                 {


  reco::Conversion* newCandidate=0;
  for(unsigned int lSC=0; lSC < scHandle->size(); lSC++) {
    
    // get pointer to SC
    reco::CaloClusterPtr aClus= scHandle->ptrAt(lSC);    
        
    // SC energy preselection
    if (aClus->energy()/cosh(aClus->eta()) <= minSCEt_) continue;


    if (  conversionHandle.isValid() ) {

      if ( risolveAmbiguity_ ) {
    std::vector<reco::ConversionRef> bestRef=solveAmbiguity( conversionHandle , aClus);
   
        for ( std::vector<reco::ConversionRef>::iterator iRef=bestRef.begin(); iRef!=bestRef.end(); iRef++ ) {
          if ( iRef->isNonnull() )  {
        newCandidate= (*iRef)->clone();
        outputConversionCollection.push_back(*newCandidate);
            delete newCandidate;
      }
    }
    
      } else {
    

    for( unsigned int icp = 0;  icp < conversionHandle->size(); icp++) {
      reco::ConversionRef cpRef(reco::ConversionRef(conversionHandle,icp));
      if (!( aClus.id() == cpRef->caloCluster()[0].id() && aClus.key() == cpRef->caloCluster()[0].key() )) continue; 
      if ( !cpRef->isConverted() ) continue;  
      if ( cpRef->nTracks() <2 ) continue;
      newCandidate= (&(*cpRef))->clone();    
      outputConversionCollection.push_back(*newCandidate);
      delete newCandidate;

    }     
    
      } // solve or not the ambiguity of many conversion candidates 
    
    }     

   
  }    
}

void ConvertedPhotonProducer::endJob ( void  )

virtual

Reimplemented from edm::EDProducer.

Definition at line 137 of file ConvertedPhotonProducer.cc.

                                       {
  
 
  //LogDebug("ConvertedPhotonProducer") << "ConvertedPhotonProducer::endJob Processed " << nEvt_ << " events " << "\n";
  
  
}

void ConvertedPhotonProducer::endRun ( edm::Run &  r, edm::EventSetup const &  es  )

virtual

Reimplemented from edm::EDProducer.

Definition at line 133 of file ConvertedPhotonProducer.cc.

                                                                                     {
}

void ConvertedPhotonProducer::getCircleCenter ( const reco::TrackRef &  tk, double  r, double &  x0, double &  y0  )

private

Definition at line 672 of file ConvertedPhotonProducer.cc.

References DeDxDiscriminatorTools::charge(), funct::cos(), phi, and funct::sin().

Referenced by calculateMinApproachDistance().

                                                                                                     {
  double x1, y1, phi;
  x1 = tk->innerPosition().x();//inner position and inner momentum need track Extra!
  y1 = tk->innerPosition().y();
  phi = tk->innerMomentum().phi();
  const int charge = tk->charge();
  x0 = x1 + r*sin(phi)*charge;
  y0 = y1 - r*cos(phi)*charge;

}

void ConvertedPhotonProducer::produce ( edm::Event &  evt, const edm::EventSetup &  es  )

virtual

Implements edm::EDProducer.

Definition at line 147 of file ConvertedPhotonProducer.cc.

References bcBarrelCollection_, bcEndcapCollection_, buildCollections(), cleanCollections(), CleanedConvertedPhotonCollection_, printConversionInfo::conversionHandle, conversionIOTrackProducer_, conversionOITrackProducer_, ConvertedPhotonCollection_, edm::EventSetup::get(), edm::Event::getByLabel(), hcalTowers_, inOutTrackSCAssociationCollection_, edm::InputTag::label(), nEvt_, outInTrackSCAssociationCollection_, edm::Event::put(), recoverOneTrackCase_, ConversionTrackPairFinder::run(), scHybridBarrelProducer_, scIslandEndcapProducer_, theCaloGeom_, and theTrackPairFinder_.

                                                                                            {
  
  using namespace edm;
  nEvt_++;  


  //  LogDebug("ConvertedPhotonProducer")   << "ConvertedPhotonProduce::produce event number " <<   theEvent.id() << " Global counter " << nEvt_ << "\n";
  //  std::cout    << "ConvertedPhotonProduce::produce event number " <<   theEvent.id() << " Global counter " << nEvt_ << "\n";
  
  //
  // create empty output collections
  //
  // Converted photon candidates
  reco::ConversionCollection outputConvPhotonCollection;
  std::auto_ptr<reco::ConversionCollection> outputConvPhotonCollection_p(new reco::ConversionCollection);
  // Converted photon candidates
  reco::ConversionCollection cleanedConversionCollection;
  std::auto_ptr<reco::ConversionCollection> cleanedConversionCollection_p(new reco::ConversionCollection);

  
  // Get the Super Cluster collection in the Barrel
  bool validBarrelSCHandle=true;
  edm::Handle<edm::View<reco::CaloCluster> > scBarrelHandle;
  theEvent.getByLabel(scHybridBarrelProducer_,scBarrelHandle);
  if (!scBarrelHandle.isValid()) {
    edm::LogError("ConvertedPhotonProducer") << "Error! Can't get the product "<<scHybridBarrelProducer_.label();
    validBarrelSCHandle=false;
  }
   
  // Get the Super Cluster collection in the Endcap
  bool validEndcapSCHandle=true;
  edm::Handle<edm::View<reco::CaloCluster> > scEndcapHandle;
  theEvent.getByLabel(scIslandEndcapProducer_,scEndcapHandle);
  if (!scEndcapHandle.isValid()) {
    edm::LogError("ConvertedPhotonProducer") << "Error! Can't get the product "<<scIslandEndcapProducer_.label();
    validEndcapSCHandle=false;
  }
  
    
  bool validTrackInputs=true;
  Handle<reco::TrackCollection> outInTrkHandle;
  theEvent.getByLabel(conversionOITrackProducer_,  outInTrkHandle);
  if (!outInTrkHandle.isValid()) {
    //std::cout << "Error! Can't get the conversionOITrack " << "\n";
    edm::LogError("ConvertedPhotonProducer") << "Error! Can't get the conversionOITrack " << "\n";
    validTrackInputs=false;
  }
  //  LogDebug("ConvertedPhotonProducer")<< "ConvertedPhotonProducer  outInTrack collection size " << (*outInTrkHandle).size() << "\n";
  
   
  Handle<reco::TrackCaloClusterPtrAssociation> outInTrkSCAssocHandle;
  theEvent.getByLabel( conversionOITrackProducer_, outInTrackSCAssociationCollection_, outInTrkSCAssocHandle);
  if (!outInTrkSCAssocHandle.isValid()) {
    //  std::cout << "Error! Can't get the product " <<  outInTrackSCAssociationCollection_.c_str() <<"\n";
    edm::LogError("ConvertedPhotonProducer") << "Error! Can't get the product " <<  outInTrackSCAssociationCollection_.c_str() <<"\n";
    validTrackInputs=false;
  }

  Handle<reco::TrackCollection> inOutTrkHandle;
  theEvent.getByLabel(conversionIOTrackProducer_, inOutTrkHandle);
  if (!inOutTrkHandle.isValid()) {
    // std::cout << "Error! Can't get the conversionIOTrack " << "\n";
    edm::LogError("ConvertedPhotonProducer") << "Error! Can't get the conversionIOTrack " << "\n";
    validTrackInputs=false;
  }
  //  LogDebug("ConvertedPhotonProducer") << " ConvertedPhotonProducer inOutTrack collection size " << (*inOutTrkHandle).size() << "\n";



  Handle<reco::TrackCollection> generalTrkHandle;
  if (  recoverOneTrackCase_ ) {
    theEvent.getByLabel("generalTracks", generalTrkHandle);
    if (!generalTrkHandle.isValid()) {
      //std::cout << "Error! Can't get the genralTracks " << "\n";
      edm::LogError("ConvertedPhotonProducer") << "Error! Can't get the genralTracks " << "\n";
    }
  }  
  
  Handle<reco::TrackCaloClusterPtrAssociation> inOutTrkSCAssocHandle;
  theEvent.getByLabel( conversionIOTrackProducer_, inOutTrackSCAssociationCollection_, inOutTrkSCAssocHandle);
  if (!inOutTrkSCAssocHandle.isValid()) {
    //std::cout << "Error! Can't get the product " <<  inOutTrackSCAssociationCollection_.c_str() <<"\n";
    edm::LogError("ConvertedPhotonProducer") << "Error! Can't get the product " <<  inOutTrackSCAssociationCollection_.c_str() <<"\n";
    validTrackInputs=false;
  }


  

  // Get the basic cluster collection in the Barrel 
  edm::Handle<edm::View<reco::CaloCluster> > bcBarrelHandle;
  theEvent.getByLabel( bcBarrelCollection_, bcBarrelHandle);
  if (!bcBarrelHandle.isValid()) {
    edm::LogError("ConvertedPhotonProducer") << "Error! Can't get the product "<<bcBarrelCollection_.label();
  }

    
  // Get the basic cluster collection in the Endcap 
  edm::Handle<edm::View<reco::CaloCluster> > bcEndcapHandle;
  theEvent.getByLabel( bcEndcapCollection_, bcEndcapHandle);
  if (!bcEndcapHandle.isValid()) {
    edm::LogError("ConvertedPhotonProducer") << "Error! Can't get the product "<<bcEndcapCollection_.label();
  }
 

// get Hcal towers collection 
  Handle<CaloTowerCollection> hcalTowersHandle;
  theEvent.getByLabel(hcalTowers_, hcalTowersHandle);

  // get the geometry from the event setup:
  theEventSetup.get<CaloGeometryRecord>().get(theCaloGeom_);


  if (  validTrackInputs ) {
    //do the conversion:
    std::vector<reco::TransientTrack> t_outInTrk = ( *theTransientTrackBuilder_ ).build(outInTrkHandle );
    std::vector<reco::TransientTrack> t_inOutTrk = ( *theTransientTrackBuilder_ ).build(inOutTrkHandle );
    
    
    std::map<std::vector<reco::TransientTrack>, reco::CaloClusterPtr, CompareTwoTracksVectors> allPairs;
    allPairs = theTrackPairFinder_->run(t_outInTrk, outInTrkHandle, outInTrkSCAssocHandle, t_inOutTrk, inOutTrkHandle, inOutTrkSCAssocHandle  );
    //LogDebug("ConvertedPhotonProducer")  << "ConvertedPhotonProducer  allPairs.size " << allPairs.size() << "\n";      

    buildCollections(theEventSetup, scBarrelHandle, bcBarrelHandle, hcalTowersHandle, generalTrkHandle, allPairs, outputConvPhotonCollection);
    buildCollections(theEventSetup, scEndcapHandle, bcEndcapHandle, hcalTowersHandle, generalTrkHandle, allPairs, outputConvPhotonCollection);
  }
  
  // put the product in the event
  outputConvPhotonCollection_p->assign(outputConvPhotonCollection.begin(),outputConvPhotonCollection.end());
  //LogDebug("ConvertedPhotonProducer") << " ConvertedPhotonProducer Putting in the event    converted photon candidates " << (*outputConvPhotonCollection_p).size() << "\n";  
  const edm::OrphanHandle<reco::ConversionCollection> conversionHandle= theEvent.put( outputConvPhotonCollection_p, ConvertedPhotonCollection_);


  // Loop over barrel and endcap SC collections and fill the  photon collection
  if ( validBarrelSCHandle) cleanCollections(scBarrelHandle,
                         conversionHandle,
                         cleanedConversionCollection);
  if ( validEndcapSCHandle) cleanCollections(scEndcapHandle,
                         conversionHandle,
                         cleanedConversionCollection);
                        

  cleanedConversionCollection_p->assign(cleanedConversionCollection.begin(),cleanedConversionCollection.end());   
  theEvent.put( cleanedConversionCollection_p, CleanedConvertedPhotonCollection_);

  
}

std::vector< reco::ConversionRef > ConvertedPhotonProducer::solveAmbiguity ( const edm::OrphanHandle< reco::ConversionCollection > &  conversionHandle, reco::CaloClusterPtr &  sc  )

private

Definition at line 619 of file ConvertedPhotonProducer.cc.

References edm::Ptr< T >::id(), edm::Ref< C, T, F >::id(), edm::Ptr< T >::key(), edm::Ref< C, T, F >::key(), and maxNumOfCandidates_.

Referenced by cleanCollections().

                                                                                                                                                                   {
  std::multimap<double, reco::ConversionRef, std::greater<double> >   convMap;

  for ( unsigned int icp=0; icp< conversionHandle->size(); icp++) {
    reco::ConversionRef cpRef(reco::ConversionRef(conversionHandle,icp));
    
    //std::cout << " cpRef " << cpRef->nTracks() << " " <<  cpRef ->caloCluster()[0]->energy() << std::endl;    
    if (!( scRef.id() == cpRef->caloCluster()[0].id() && scRef.key() == cpRef->caloCluster()[0].key() )) continue;    
    if ( !cpRef->isConverted() ) continue;  
    double like = cpRef->MVAout();
    if ( cpRef->nTracks() <2 ) continue;
    //    std::cout << " Like " << like << std::endl;
    convMap.insert ( std::make_pair(like,cpRef) );
    
  }          
  
  //  std::cout << " convMap size " << convMap.size() << std::endl;

  std::multimap<double, reco::ConversionRef>::iterator  iMap; 
  std::vector<reco::ConversionRef> bestRefs;
  for (iMap=convMap.begin();  iMap!=convMap.end(); iMap++) {
    //    std::cout << " Like list in the map " <<  iMap->first << " " << (iMap->second)->EoverP() << std::endl;
    bestRefs.push_back(  iMap->second );
    if (  int(bestRefs.size()) ==  maxNumOfCandidates_ ) break;   
  }


   return bestRefs;
  
  
} 

math::XYZPointF ConvertedPhotonProducer::toFConverterP ( const math::XYZPoint &  val )

inlineprivate

Definition at line 118 of file ConvertedPhotonProducer.h.

Referenced by buildCollections().

                                                        {
    return math::XYZPointF(val.x(),val.y(),val.z());
  }

math::XYZVectorF ConvertedPhotonProducer::toFConverterV ( const math::XYZVector &  val )

inlineprivate

Definition at line 122 of file ConvertedPhotonProducer.h.

Referenced by buildCollections().

                                                          {
    return math::XYZVectorF(val.x(),val.y(),val.z());
  }

Member Data Documentation

std::string ConvertedPhotonProducer::algoName_

private

Definition at line 101 of file ConvertedPhotonProducer.h.

Referenced by buildCollections(), and ConvertedPhotonProducer().

edm::InputTag ConvertedPhotonProducer::bcBarrelCollection_

private

Definition at line 86 of file ConvertedPhotonProducer.h.

Referenced by ConvertedPhotonProducer(), and produce().

edm::InputTag ConvertedPhotonProducer::bcEndcapCollection_

private

Definition at line 87 of file ConvertedPhotonProducer.h.

Referenced by ConvertedPhotonProducer(), and produce().

std::string ConvertedPhotonProducer::CleanedConvertedPhotonCollection_

private

Definition at line 84 of file ConvertedPhotonProducer.h.

Referenced by ConvertedPhotonProducer(), and produce().

edm::ParameterSet ConvertedPhotonProducer::conf_

private

Definition at line 90 of file ConvertedPhotonProducer.h.

Referenced by ConvertedPhotonProducer().

std::string ConvertedPhotonProducer::conversionIOTrackProducer_

private

Definition at line 76 of file ConvertedPhotonProducer.h.

Referenced by ConvertedPhotonProducer(), and produce().

std::string ConvertedPhotonProducer::conversionOITrackProducer_

private

Definition at line 75 of file ConvertedPhotonProducer.h.

Referenced by ConvertedPhotonProducer(), and produce().

std::string ConvertedPhotonProducer::ConvertedPhotonCollection_

private

Definition at line 83 of file ConvertedPhotonProducer.h.

Referenced by ConvertedPhotonProducer(), and produce().

double ConvertedPhotonProducer::deltaCotCut_

private

Definition at line 109 of file ConvertedPhotonProducer.h.

Referenced by buildCollections(), and ConvertedPhotonProducer().

double ConvertedPhotonProducer::dRForConversionRecovery_

private

Definition at line 108 of file ConvertedPhotonProducer.h.

Referenced by buildCollections(), and ConvertedPhotonProducer().

edm::InputTag ConvertedPhotonProducer::hcalTowers_

private

Definition at line 91 of file ConvertedPhotonProducer.h.

Referenced by ConvertedPhotonProducer(), and produce().

double ConvertedPhotonProducer::hOverEConeSize_

private

Definition at line 104 of file ConvertedPhotonProducer.h.

Referenced by buildCollections(), and ConvertedPhotonProducer().

std::string ConvertedPhotonProducer::inOutTrackSCAssociationCollection_

private

Definition at line 80 of file ConvertedPhotonProducer.h.

Referenced by ConvertedPhotonProducer(), and produce().

std::string ConvertedPhotonProducer::likelihoodWeights_

private

Definition at line 116 of file ConvertedPhotonProducer.h.

Referenced by ConvertedPhotonProducer().

double ConvertedPhotonProducer::maxHOverE_

private

Definition at line 105 of file ConvertedPhotonProducer.h.

Referenced by buildCollections(), and ConvertedPhotonProducer().

int ConvertedPhotonProducer::maxNumOfCandidates_

private

Definition at line 111 of file ConvertedPhotonProducer.h.

Referenced by ConvertedPhotonProducer(), and solveAmbiguity().

double ConvertedPhotonProducer::minApproachDisCut_

private

Definition at line 110 of file ConvertedPhotonProducer.h.

Referenced by buildCollections(), and ConvertedPhotonProducer().

double ConvertedPhotonProducer::minSCEt_

private

Definition at line 106 of file ConvertedPhotonProducer.h.

Referenced by buildCollections(), cleanCollections(), and ConvertedPhotonProducer().

int ConvertedPhotonProducer::nEvt_

private

Definition at line 100 of file ConvertedPhotonProducer.h.

Referenced by ConvertedPhotonProducer(), and produce().

std::string ConvertedPhotonProducer::outInTrackSCAssociationCollection_

private

Definition at line 79 of file ConvertedPhotonProducer.h.

Referenced by ConvertedPhotonProducer(), and produce().

bool ConvertedPhotonProducer::recoverOneTrackCase_

private

Definition at line 107 of file ConvertedPhotonProducer.h.

Referenced by buildCollections(), ConvertedPhotonProducer(), and produce().

bool ConvertedPhotonProducer::risolveAmbiguity_

private

Definition at line 112 of file ConvertedPhotonProducer.h.

Referenced by cleanCollections(), and ConvertedPhotonProducer().

edm::InputTag ConvertedPhotonProducer::scHybridBarrelProducer_

private

Definition at line 88 of file ConvertedPhotonProducer.h.

Referenced by ConvertedPhotonProducer(), and produce().

edm::InputTag ConvertedPhotonProducer::scIslandEndcapProducer_

private

Definition at line 89 of file ConvertedPhotonProducer.h.

Referenced by ConvertedPhotonProducer(), and produce().

edm::ESHandle<CaloGeometry> ConvertedPhotonProducer::theCaloGeom_

private

Definition at line 93 of file ConvertedPhotonProducer.h.

Referenced by produce().

ConversionTrackEcalImpactPoint* ConvertedPhotonProducer::theEcalImpactPositionFinder_

private

Definition at line 99 of file ConvertedPhotonProducer.h.

ConversionLikelihoodCalculator* ConvertedPhotonProducer::theLikelihoodCalc_

private

Definition at line 115 of file ConvertedPhotonProducer.h.

Referenced by buildCollections(), ConvertedPhotonProducer(), and ~ConvertedPhotonProducer().

edm::ESHandle<MagneticField> ConvertedPhotonProducer::theMF_

private

Definition at line 94 of file ConvertedPhotonProducer.h.

Referenced by beginRun(), buildCollections(), and calculateMinApproachDistance().

ConversionTrackPairFinder* ConvertedPhotonProducer::theTrackPairFinder_

private

Definition at line 97 of file ConvertedPhotonProducer.h.

Referenced by ConvertedPhotonProducer(), produce(), and ~ConvertedPhotonProducer().

edm::ESHandle<TransientTrackBuilder> ConvertedPhotonProducer::theTransientTrackBuilder_

private

Definition at line 95 of file ConvertedPhotonProducer.h.

Referenced by beginRun().

ConversionVertexFinder* ConvertedPhotonProducer::theVertexFinder_

private

Definition at line 98 of file ConvertedPhotonProducer.h.

Referenced by buildCollections(), ConvertedPhotonProducer(), and ~ConvertedPhotonProducer().