#include <EcalClusterTools.h>

Classes
struct	EcalClusterEnergyDeposition

Public Member Functions
	EcalClusterTools ()

	~EcalClusterTools ()

Static Public Member Functions
static Cluster2ndMoments	cluster2ndMoments (const reco::BasicCluster &basicCluster, const EcalRecHitCollection &recHits, double phiCorrectionFactor=0.8, double w0=4.7, bool useLogWeights=true)

static Cluster2ndMoments	cluster2ndMoments (const reco::SuperCluster &superCluster, const EcalRecHitCollection &recHits, double phiCorrectionFactor=0.8, double w0=4.7, bool useLogWeights=true)

static Cluster2ndMoments	cluster2ndMoments (std::vector< const EcalRecHit * > RH_ptrs, double phiCorrectionFactor=0.8, double w0=4.7, bool useLogWeights=true)

static std::vector< float >	covariances (const reco::BasicCluster &cluster, const EcalRecHitCollection recHits, const CaloTopology topology, const CaloGeometry *geometry, float w0=4.7)

static float	e1x3 (const reco::BasicCluster &cluster, const EcalRecHitCollection recHits, const CaloTopology topology)

static float	e1x5 (const reco::BasicCluster &cluster, const EcalRecHitCollection recHits, const CaloTopology topology)

static float	e2nd (const reco::BasicCluster &cluster, const EcalRecHitCollection *recHits)

static float	e2x2 (const reco::BasicCluster &cluster, const EcalRecHitCollection recHits, const CaloTopology topology)

static float	e2x5Bottom (const reco::BasicCluster &cluster, const EcalRecHitCollection recHits, const CaloTopology topology)

static float	e2x5Left (const reco::BasicCluster &cluster, const EcalRecHitCollection recHits, const CaloTopology topology)

static float	e2x5Max (const reco::BasicCluster &cluster, const EcalRecHitCollection recHits, const CaloTopology topology)

static float	e2x5Right (const reco::BasicCluster &cluster, const EcalRecHitCollection recHits, const CaloTopology topology)

static float	e2x5Top (const reco::BasicCluster &cluster, const EcalRecHitCollection recHits, const CaloTopology topology)

static float	e3x1 (const reco::BasicCluster &cluster, const EcalRecHitCollection recHits, const CaloTopology topology)

static float	e3x2 (const reco::BasicCluster &cluster, const EcalRecHitCollection recHits, const CaloTopology topology)

static float	e3x3 (const reco::BasicCluster &cluster, const EcalRecHitCollection recHits, const CaloTopology topology)

static float	e4x4 (const reco::BasicCluster &cluster, const EcalRecHitCollection recHits, const CaloTopology topology)

static float	e5x1 (const reco::BasicCluster &cluster, const EcalRecHitCollection recHits, const CaloTopology topology)

static float	e5x5 (const reco::BasicCluster &cluster, const EcalRecHitCollection recHits, const CaloTopology topology)

static float	eBottom (const reco::BasicCluster &cluster, const EcalRecHitCollection recHits, const CaloTopology topology)

static float	eLeft (const reco::BasicCluster &cluster, const EcalRecHitCollection recHits, const CaloTopology topology)

static float	eMax (const reco::BasicCluster &cluster, const EcalRecHitCollection *recHits)

static std::vector< float >	energyBasketFractionEta (const reco::BasicCluster &cluster, const EcalRecHitCollection *recHits)

static std::vector< float >	energyBasketFractionPhi (const reco::BasicCluster &cluster, const EcalRecHitCollection *recHits)

static float	eRight (const reco::BasicCluster &cluster, const EcalRecHitCollection recHits, const CaloTopology topology)

static float	eTop (const reco::BasicCluster &cluster, const EcalRecHitCollection recHits, const CaloTopology topology)

static std::pair< DetId, float >	getMaximum (const reco::BasicCluster &cluster, const EcalRecHitCollection *recHits)

static std::pair< DetId, float >	getMaximum (const std::vector< std::pair< DetId, float > > &v_id, const EcalRecHitCollection *recHits)

static std::vector< float >	lat (const reco::BasicCluster &cluster, const EcalRecHitCollection recHits, const CaloGeometry geometry, bool logW=true, float w0=4.7)

static std::vector< float >	localCovariances (const reco::BasicCluster &cluster, const EcalRecHitCollection recHits, const CaloTopology topology, float w0=4.7)

static std::vector< DetId >	matrixDetId (const CaloTopology *topology, DetId id, int ixMin, int ixMax, int iyMin, int iyMax)

static float	matrixEnergy (const reco::BasicCluster &cluster, const EcalRecHitCollection recHits, const CaloTopology topology, DetId id, int ixMin, int ixMax, int iyMin, int iyMax)

static float	recHitEnergy (DetId id, const EcalRecHitCollection *recHits)

static std::vector< float >	roundnessBarrelSuperClusters (const reco::SuperCluster &superCluster, const EcalRecHitCollection &recHits, int weightedPositionMethod=0, float energyThreshold=0.0)

static std::vector< float >	roundnessBarrelSuperClustersUserExtended (const reco::SuperCluster &superCluster, const EcalRecHitCollection &recHits, int ieta_delta=0, int iphi_delta=0, float energyRHThresh=0.00000, int weightedPositionMethod=0)

static std::vector< float >	roundnessSelectedBarrelRecHits (std::vector< const EcalRecHit * >rhVector, int weightedPositionMethod=0)

static std::vector< float >	scLocalCovariances (const reco::SuperCluster &cluster, const EcalRecHitCollection recHits, const CaloTopology topology, float w0=4.7)

static double	zernike20 (const reco::BasicCluster &cluster, const EcalRecHitCollection recHits, const CaloGeometry geometry, double R0=6.6, bool logW=true, float w0=4.7)

static double	zernike42 (const reco::BasicCluster &cluster, const EcalRecHitCollection recHits, const CaloGeometry geometry, double R0=6.6, bool logW=true, float w0=4.7)

Static Private Member Functions
static double	absZernikeMoment (const reco::BasicCluster &cluster, const EcalRecHitCollection recHits, const CaloGeometry geometry, int n, int m, double R0, bool logW, float w0)

static double	calc_AbsZernikeMoment (const reco::BasicCluster &cluster, const EcalRecHitCollection recHits, const CaloGeometry geometry, int n, int m, double R0, bool logW, float w0)

static float	computeWeight (float eRH, float energyTotal, int weightedPositionMethod)

static int	deltaIEta (int seed_ieta, int rh_ieta)

static int	deltaIPhi (int seed_iphi, int rh_iphi)

static double	f00 (double r)

static double	f11 (double r)

static double	f20 (double r)

static double	f22 (double r)

static double	f31 (double r)

static double	f33 (double r)

static double	f40 (double r)

static double	f42 (double r)

static double	f44 (double r)

static double	f51 (double r)

static double	f53 (double r)

static double	f55 (double r)

static double	factorial (int n)

static double	fast_AbsZernikeMoment (const reco::BasicCluster &cluster, const EcalRecHitCollection recHits, const CaloGeometry geometry, int n, int m, double R0, bool logW, float w0)

static float	getDPhiEndcap (const DetId &crysId, float meanX, float meanY)

static std::vector < EcalClusterEnergyDeposition >	getEnergyDepTopology (const reco::BasicCluster &cluster, const EcalRecHitCollection recHits, const CaloGeometry geometry, bool logW, float w0)

static float	getIEta (const DetId &id)

static float	getIPhi (const DetId &id)

static float	getNormedIX (const DetId &id)

static float	getNormedIY (const DetId &id)

static float	getNrCrysDiffInEta (const DetId &crysId, const DetId &orginId)

static float	getNrCrysDiffInPhi (const DetId &crysId, const DetId &orginId)

static std::vector< int >	getSeedPosition (std::vector< const EcalRecHit * >RH_ptrs)

static float	getSumEnergy (std::vector< const EcalRecHit * >RH_ptrs)

static std::pair< float, float >	mean5x5PositionInLocalCrysCoord (const reco::BasicCluster &cluster, const EcalRecHitCollection recHits, const CaloTopology topology)

static std::pair< float, float >	mean5x5PositionInXY (const reco::BasicCluster &cluster, const EcalRecHitCollection recHits, const CaloTopology topology)

static math::XYZVector	meanClusterPosition (const reco::BasicCluster &cluster, const EcalRecHitCollection recHits, const CaloTopology topology, const CaloGeometry *geometry)

Detailed Description

various cluster tools (e.g. cluster shapes)

Author: Federico Ferri

editing author: M.B. Anderson

Version: $Id:

Definition at line 46 of file EcalClusterTools.h.

Constructor & Destructor Documentation

EcalClusterTools::EcalClusterTools ( )

inline

Definition at line 48 of file EcalClusterTools.h.

48 {};

EcalClusterTools::~EcalClusterTools ( )

inline

Definition at line 49 of file EcalClusterTools.h.

49 {};

Member Function Documentation

double EcalClusterTools::absZernikeMoment	(	const reco::BasicCluster &	cluster,
		const EcalRecHitCollection *	recHits,
		const CaloGeometry *	geometry,
		int	n,
		int	m,
		double	R0,
		bool	logW,
		float	w0
	)

staticprivate

Definition at line 706 of file EcalClusterTools.cc.

References calc_AbsZernikeMoment(), and fast_AbsZernikeMoment().

Referenced by zernike20(), and zernike42().

 {
     // 1. Check if n,m are correctly
     if ((m>n) || ((n-m)%2 != 0) || (n<0) || (m<0)) return -1;
 
     // 2. Check if n,R0 are within validity Range :
     // n>20 or R0<2.19cm  just makes no sense !
     if ((n>20) || (R0<=2.19)) return -1;
     if (n<=5) return fast_AbsZernikeMoment(cluster, recHits, geometry, n, m, R0, logW, w0 );
     else return calc_AbsZernikeMoment(cluster, recHits, geometry, n, m, R0, logW, w0 );
 }

double EcalClusterTools::calc_AbsZernikeMoment	(	const reco::BasicCluster &	cluster,
		const EcalRecHitCollection *	recHits,
		const CaloGeometry *	geometry,
		int	n,
		int	m,
		double	R0,
		bool	logW,
		float	w0
	)

staticprivate

Definition at line 756 of file EcalClusterTools.cc.

References funct::cos(), factorial(), getEnergyDepTopology(), i, m, funct::pow(), csvReporter::r, asciidump::s, funct::sin(), and mathSSE::sqrt().

Referenced by absZernikeMoment().

 {
     double r, ph, e, Re=0, Im=0, f_nm;
     double TotalEnergy = cluster.energy();
     std::vector<EcalClusterEnergyDeposition> energyDistribution = getEnergyDepTopology( cluster, recHits, geometry, logW, w0 );
     int clusterSize=energyDistribution.size();
     if(clusterSize<3) return 0.0;
 
     for (int i = 0; i < clusterSize; ++i)
     { 
         r = energyDistribution[i].r / R0;
         if (r < 1) {
             ph = energyDistribution[i].phi;
             e = energyDistribution[i].deposited_energy;
             f_nm = 0;
             for (int s=0; s<=(n-m)/2; s++) {
                 if (s%2==0) { 
                     f_nm = f_nm + factorial(n-s)*pow(r,(double) (n-2*s))/(factorial(s)*factorial((n+m)/2-s)*factorial((n-m)/2-s));
                 } else {
                     f_nm = f_nm - factorial(n-s)*pow(r,(double) (n-2*s))/(factorial(s)*factorial((n+m)/2-s)*factorial((n-m)/2-s));
                 }
             }
             Re = Re + e/TotalEnergy * f_nm * cos( (double) m*ph);
             Im = Im - e/TotalEnergy * f_nm * sin( (double) m*ph);
         }
     }
     return sqrt(Re*Re+Im*Im);
 }

Cluster2ndMoments EcalClusterTools::cluster2ndMoments	(	const reco::BasicCluster &	basicCluster,
		const EcalRecHitCollection &	recHits,
		double	phiCorrectionFactor = `0.8`,
		double	w0 = `4.7`,
		bool	useLogWeights = `true`
	)

static

Definition at line 980 of file EcalClusterTools.cc.

References Cluster2ndMoments::alpha, edm::SortedCollection< T, SORT >::find(), first, i, Cluster2ndMoments::sMaj, and Cluster2ndMoments::sMin.

Referenced by cluster2ndMoments().

                                                                                                                                                                                            {
 
     Cluster2ndMoments returnMoments;
     returnMoments.sMaj = -1.;
     returnMoments.sMin = -1.;
     returnMoments.alpha = 0.;
 
     // for now implemented only for EB:
     if( fabs( basicCluster.eta() ) < 1.479 ) { 
 
         std::vector<const EcalRecHit*> RH_ptrs;
 
         std::vector< std::pair<DetId, float> > myHitsPair = basicCluster.hitsAndFractions();
         std::vector<DetId> usedCrystals;
         for(unsigned int i=0; i< myHitsPair.size(); i++){
             usedCrystals.push_back(myHitsPair[i].first);
         }
 
         for(unsigned int i=0; i<usedCrystals.size(); i++){
             //get pointer to recHit object
             EcalRecHitCollection::const_iterator myRH = recHits.find(usedCrystals[i]);
             RH_ptrs.push_back(  &(*myRH)  );
         }
 
         returnMoments = EcalClusterTools::cluster2ndMoments(RH_ptrs, phiCorrectionFactor, w0, useLogWeights);
 
     }
 
     return returnMoments;
 
 }

Cluster2ndMoments EcalClusterTools::cluster2ndMoments	(	const reco::SuperCluster &	superCluster,
		const EcalRecHitCollection &	recHits,
		double	phiCorrectionFactor = `0.8`,
		double	w0 = `4.7`,
		bool	useLogWeights = `true`
	)

static

Definition at line 1013 of file EcalClusterTools.cc.

References Cluster2ndMoments::alpha, cluster2ndMoments(), reco::CaloCluster::eta(), reco::SuperCluster::seed(), Cluster2ndMoments::sMaj, and Cluster2ndMoments::sMin.

                                                                                                                                                                                            {
 
     // for now returns second moments of supercluster seed cluster:
     Cluster2ndMoments returnMoments;
     returnMoments.sMaj = -1.;
     returnMoments.sMin = -1.;
     returnMoments.alpha = 0.;
 
     // for now implemented only for EB:
     if( fabs( superCluster.eta() ) < 1.479 ) { 
         returnMoments = EcalClusterTools::cluster2ndMoments( *(superCluster.seed()), recHits, phiCorrectionFactor, w0, useLogWeights);
     }
 
     return returnMoments;
 
 }

Cluster2ndMoments EcalClusterTools::cluster2ndMoments	(	std::vector< const EcalRecHit * >	RH_ptrs,
		double	phiCorrectionFactor = `0.8`,
		double	w0 = `4.7`,
		bool	useLogWeights = `true`
	)

static

Definition at line 1031 of file EcalClusterTools.cc.

References Cluster2ndMoments::alpha, RecoTauValidation_cfi::denominator, getSumEnergy(), i, EBDetId::iphi(), funct::log(), max(), Cluster2ndMoments::sMaj, Cluster2ndMoments::sMin, and mathSSE::sqrt().

                                                                                                                                                       {
 
     double mid_eta,mid_phi;
     mid_eta=mid_phi=0.;
 
     double Etot = EcalClusterTools::getSumEnergy(  RH_ptrs  );
 
     double max_phi=-10.;
     double min_phi=100.;
 
     std::vector<double> etaDetId;
     std::vector<double> phiDetId;
     std::vector<double> wiDetId;
 
     int nCry=0;
     double denominator=0.;
 
 
     // loop over rechits and compute weights:
     for(std::vector<const EcalRecHit*>::const_iterator rh_ptr = RH_ptrs.begin(); rh_ptr != RH_ptrs.end(); rh_ptr++){
 
         //get iEta, iPhi
         EBDetId temp_EBDetId( (*rh_ptr)->detid() );
         double temp_eta=(temp_EBDetId.ieta() > 0. ? temp_EBDetId.ieta() + 84.5 : temp_EBDetId.ieta() + 85.5);
         double temp_phi=temp_EBDetId.iphi() - 0.5;
         double temp_ene=(*rh_ptr)->energy();
 
         double temp_wi=((useLogWeights) ?
                 std::max(0., w0 + log( fabs(temp_ene)/Etot ))
                 :  temp_ene);
 
         if(temp_phi>max_phi) max_phi=temp_phi;
         if(temp_phi<min_phi) min_phi=temp_phi;
         etaDetId.push_back(temp_eta);
         phiDetId.push_back(temp_phi);
         wiDetId.push_back(temp_wi);
         denominator+=temp_wi;
         nCry++;
     }
 
 
     // correct phi wrap-around:
     if(max_phi==359.5 && min_phi==0.5){ 
         for(int i=0; i<nCry; i++){
             if(phiDetId[i] - 179. > 0.) phiDetId[i]-=360.; 
             mid_phi+=phiDetId[i]*wiDetId[i];
             mid_eta+=etaDetId[i]*wiDetId[i];
         }
     }
 
     else{
         for(int i=0; i<nCry; i++){
             mid_phi+=phiDetId[i]*wiDetId[i];
             mid_eta+=etaDetId[i]*wiDetId[i];
         }
     }
 
     mid_eta/=denominator;
     mid_phi/=denominator;
 
     // See = sigma eta eta
     // Spp = (B field corrected) sigma phi phi
     // See = (B field corrected) sigma eta phi
     double See=0.;
     double Spp=0.;
     double Sep=0.;
 
     // compute (phi-corrected) covariance matrix:
     for(int i=0; i<nCry; i++) {
         See += (wiDetId[i]*(etaDetId[i]-mid_eta)*(etaDetId[i]-mid_eta)) / denominator;
         Spp += phiCorrectionFactor*(wiDetId[i]*(phiDetId[i]-mid_phi)*(phiDetId[i]-mid_phi)) / denominator;
         Sep += sqrt(phiCorrectionFactor)*(wiDetId[i]*(etaDetId[i]-mid_eta)*(phiDetId[i]-mid_phi)) / denominator;
     }
 
     Cluster2ndMoments returnMoments;
 
     // compute matrix eigenvalues:
     returnMoments.sMaj = ((See + Spp) + sqrt((See - Spp)*(See - Spp) + 4.*Sep*Sep)) / 2.;
     returnMoments.sMin = ((See + Spp) - sqrt((See - Spp)*(See - Spp) + 4.*Sep*Sep)) / 2.;
 
     returnMoments.alpha = atan( (See - Spp + sqrt( (Spp - See)*(Spp - See) + 4.*Sep*Sep )) / (2.*Sep));
 
     return returnMoments;
 
 }

static float EcalClusterTools::computeWeight	(	float	eRH,
		float	energyTotal,
		int	weightedPositionMethod
	)

staticprivate

std::vector< float > EcalClusterTools::covariances	(	const reco::BasicCluster &	cluster,
		const EcalRecHitCollection *	recHits,
		const CaloTopology *	topology,
		const CaloGeometry *	geometry,
		float	w0 = `4.7`
	)

static

Definition at line 534 of file EcalClusterTools.cc.

References RecoTauValidation_cfi::denominator, dPhi(), e5x5(), relval_parameters_module::energy, PV3DBase< T, PVType, FrameType >::eta(), CaloSubdetectorGeometry::getGeometry(), getMaximum(), CaloCellGeometry::getPosition(), CaloGeometry::getSubdetectorGeometry(), CaloTopology::getSubdetectorTopology(), CaloNavigator< T >::home(), i, j, funct::log(), max(), meanClusterPosition(), CaloNavigator< T >::offsetBy(), PV3DBase< T, PVType, FrameType >::phi(), Geom::pi(), position, recHitEnergy(), Geom::twoPi(), and v.

Referenced by GsfElectronAlgo::calculateShowerShape(), EcalClusterLazyTools::covariances(), PFPhotonTranslator::createPhotons(), egHLT::OffHelper::fillClusShapeData(), PhotonProducer::fillPhotonCollection(), and PiZeroDiscriminatorProducer::produce().

 {
     float e_5x5 = e5x5( cluster, recHits, topology );
     float covEtaEta, covEtaPhi, covPhiPhi;
     if (e_5x5 >= 0.) {
         //double w0_ = parameterMap_.find("W0")->second;
         std::vector< std::pair<DetId, float> > v_id = cluster.hitsAndFractions();
         math::XYZVector meanPosition = meanClusterPosition( cluster, recHits, topology, geometry );
 
         // now we can calculate the covariances
         double numeratorEtaEta = 0;
         double numeratorEtaPhi = 0;
         double numeratorPhiPhi = 0;
         double denominator     = 0;
 
         DetId id = getMaximum( v_id, recHits ).first;
         CaloNavigator<DetId> cursor = CaloNavigator<DetId>( id, topology->getSubdetectorTopology( id ) );
         for ( int i = -2; i <= 2; ++i ) {
             for ( int j = -2; j <= 2; ++j ) {
                 cursor.home();
                 cursor.offsetBy( i, j );
                 float energy = recHitEnergy( *cursor, recHits );
 
                 if ( energy <= 0 ) continue;
 
                 GlobalPoint position = geometry->getSubdetectorGeometry(*cursor)->getGeometry(*cursor)->getPosition();
 
                 double dPhi = position.phi() - meanPosition.phi();
                 if (dPhi > + Geom::pi()) { dPhi = Geom::twoPi() - dPhi; }
                 if (dPhi < - Geom::pi()) { dPhi = Geom::twoPi() + dPhi; }
 
                 double dEta = position.eta() - meanPosition.eta();
                 double w = 0.;
                 w = std::max(0.0, w0 + log( energy / e_5x5 ));
 
                 denominator += w;
                 numeratorEtaEta += w * dEta * dEta;
                 numeratorEtaPhi += w * dEta * dPhi;
                 numeratorPhiPhi += w * dPhi * dPhi;
             }
         }
 
         if (denominator != 0.0) {
             covEtaEta =  numeratorEtaEta / denominator;
             covEtaPhi =  numeratorEtaPhi / denominator;
             covPhiPhi =  numeratorPhiPhi / denominator;
         } else {
             covEtaEta = 999.9;
             covEtaPhi = 999.9;
             covPhiPhi = 999.9;
         }
 
     } else {
         // Warn the user if there was no energy in the cells and return zeroes.
         //       std::cout << "\ClusterShapeAlgo::Calculate_Covariances:  no energy in supplied cells.\n";
         covEtaEta = 0;
         covEtaPhi = 0;
         covPhiPhi = 0;
     }
     std::vector<float> v;
     v.push_back( covEtaEta );
     v.push_back( covEtaPhi );
     v.push_back( covPhiPhi );
     return v;
 }

int EcalClusterTools::deltaIEta	(	int	seed_ieta,
		int	rh_ieta
	)

staticprivate

Definition at line 1337 of file EcalClusterTools.cc.

Referenced by roundnessBarrelSuperClustersUserExtended(), and roundnessSelectedBarrelRecHits().

                                                          {
     // get rid of the fact that there is no ieta=0
     if(seed_ieta < 0) seed_ieta++;
     if(rh_ieta   < 0) rh_ieta++;
     int rel_ieta = rh_ieta - seed_ieta;
     return rel_ieta;
 }

int EcalClusterTools::deltaIPhi	(	int	seed_iphi,
		int	rh_iphi
	)

staticprivate

Definition at line 1326 of file EcalClusterTools.cc.

Referenced by roundnessBarrelSuperClustersUserExtended(), and roundnessSelectedBarrelRecHits().

                                                          {
     int rel_iphi = rh_iphi - seed_iphi;
     // take care of cyclic variable iphi [1,360]
     if(rel_iphi >  180) rel_iphi = rel_iphi - 360;
     if(rel_iphi < -180) rel_iphi = rel_iphi + 360;
     return rel_iphi;
 }

float EcalClusterTools::e1x3	(	const reco::BasicCluster &	cluster,
		const EcalRecHitCollection *	recHits,
		const CaloTopology *	topology
	)

static

Definition at line 255 of file EcalClusterTools.cc.

References first, getMaximum(), and matrixEnergy().

Referenced by EcalClusterLazyTools::e1x3().

 {
     DetId id = getMaximum( cluster.hitsAndFractions(), recHits ).first;
     return matrixEnergy( cluster, recHits, topology, id, 0, 0, -1, 1 );
 }

float EcalClusterTools::e1x5	(	const reco::BasicCluster &	cluster,
		const EcalRecHitCollection *	recHits,
		const CaloTopology *	topology
	)

static

Definition at line 239 of file EcalClusterTools.cc.

References first, getMaximum(), and matrixEnergy().

Referenced by GsfElectronAlgo::calculateShowerShape(), PFPhotonTranslator::createPhotons(), EcalClusterLazyTools::e1x5(), and PhotonProducer::fillPhotonCollection().

 {
     DetId id = getMaximum( cluster.hitsAndFractions(), recHits ).first;
     return matrixEnergy( cluster, recHits, topology, id, 0, 0, -2, 2 );
 }

float EcalClusterTools::e2nd	(	const reco::BasicCluster &	cluster,
		const EcalRecHitCollection *	recHits
	)

static

Definition at line 175 of file EcalClusterTools.cc.

References first, i, recHitEnergy(), and edm::second().

Referenced by EcalClusterLazyTools::e2nd(), and PiZeroDiscriminatorProducer::produce().

 {
     std::list<float> energies;
     std::vector< std::pair<DetId, float> > v_id = cluster.hitsAndFractions();
     if ( v_id.size() < 2 ) return 0;
     for ( size_t i = 0; i < v_id.size(); ++i ) {
         energies.push_back( recHitEnergy( v_id[i].first, recHits ) * v_id[i].second );
     }
     energies.sort();             
     return *--(--energies.end());
 
 
 }

float EcalClusterTools::e2x2	(	const reco::BasicCluster &	cluster,
		const EcalRecHitCollection *	recHits,
		const CaloTopology *	topology
	)

static

Definition at line 110 of file EcalClusterTools.cc.

References first, getMaximum(), and matrixEnergy().

Referenced by EBClusterTask::analyze(), EEClusterTask::analyze(), EcalClusterLazyTools::e2x2(), and PiZeroDiscriminatorProducer::produce().

 {
     DetId id = getMaximum( cluster.hitsAndFractions(), recHits ).first;
     std::list<float> energies;
     energies.push_back( matrixEnergy( cluster, recHits, topology, id, -1, 0, -1, 0 ) );
     energies.push_back( matrixEnergy( cluster, recHits, topology, id, -1, 0,  0, 1 ) );
     energies.push_back( matrixEnergy( cluster, recHits, topology, id,  0, 1,  0, 1 ) );
     energies.push_back( matrixEnergy( cluster, recHits, topology, id,  0, 1, -1, 0 ) );
 
 
     return *std::max_element(energies.begin(),energies.end());
 
 }

float EcalClusterTools::e2x5Bottom	(	const reco::BasicCluster &	cluster,
		const EcalRecHitCollection *	recHits,
		const CaloTopology *	topology
	)

static

Definition at line 215 of file EcalClusterTools.cc.

References first, getMaximum(), and matrixEnergy().

Referenced by EcalClusterLazyTools::e2x5Bottom(), and PiZeroDiscriminatorProducer::produce().

 {
     DetId id = getMaximum( cluster.hitsAndFractions(), recHits ).first;
     return matrixEnergy( cluster, recHits, topology, id, -2, 2, -2, -1 );
 }

float EcalClusterTools::e2x5Left	(	const reco::BasicCluster &	cluster,
		const EcalRecHitCollection *	recHits,
		const CaloTopology *	topology
	)

static

Definition at line 199 of file EcalClusterTools.cc.

References first, getMaximum(), and matrixEnergy().

Referenced by EcalClusterLazyTools::e2x5Left(), and PiZeroDiscriminatorProducer::produce().

 {
     DetId id = getMaximum( cluster.hitsAndFractions(), recHits ).first;
     return matrixEnergy( cluster, recHits, topology, id, -2, -1, -2, 2 );
 }

float EcalClusterTools::e2x5Max	(	const reco::BasicCluster &	cluster,
		const EcalRecHitCollection *	recHits,
		const CaloTopology *	topology
	)

static

Definition at line 223 of file EcalClusterTools.cc.

References first, getMaximum(), and matrixEnergy().

Referenced by GsfElectronAlgo::calculateShowerShape(), PFPhotonTranslator::createPhotons(), EcalClusterLazyTools::e2x5Max(), and PhotonProducer::fillPhotonCollection().

 {
     DetId id =      getMaximum( cluster.hitsAndFractions(), recHits ).first;
 
     // 1x5 strip left of seed
     float left   = matrixEnergy( cluster, recHits, topology, id, -1, -1, -2, 2 );
     // 1x5 strip right of seed
     float right  = matrixEnergy( cluster, recHits, topology, id,  1,  1, -2, 2 );
     // 1x5 strip containing seed
     float centre = matrixEnergy( cluster, recHits, topology, id,  0,  0, -2, 2 );
 
     // Return the maximum of (left+center) or (right+center) strip
     return left > right ? left+centre : right+centre;
 }

float EcalClusterTools::e2x5Right	(	const reco::BasicCluster &	cluster,
		const EcalRecHitCollection *	recHits,
		const CaloTopology *	topology
	)

static

Definition at line 191 of file EcalClusterTools.cc.

References first, getMaximum(), and matrixEnergy().

Referenced by EcalClusterLazyTools::e2x5Right().

 {
     DetId id = getMaximum( cluster.hitsAndFractions(), recHits ).first;
     return matrixEnergy( cluster, recHits, topology, id, 1, 2, -2, 2 );
 }

float EcalClusterTools::e2x5Top	(	const reco::BasicCluster &	cluster,
		const EcalRecHitCollection *	recHits,
		const CaloTopology *	topology
	)

static

Definition at line 207 of file EcalClusterTools.cc.

References first, getMaximum(), and matrixEnergy().

Referenced by EcalClusterLazyTools::e2x5Top(), and PiZeroDiscriminatorProducer::produce().

 {
     DetId id = getMaximum( cluster.hitsAndFractions(), recHits ).first;
     return matrixEnergy( cluster, recHits, topology, id, -2, 2, 1, 2 );
 }

float EcalClusterTools::e3x1	(	const reco::BasicCluster &	cluster,
		const EcalRecHitCollection *	recHits,
		const CaloTopology *	topology
	)

static

Definition at line 263 of file EcalClusterTools.cc.

References first, getMaximum(), and matrixEnergy().

Referenced by EcalClusterLazyTools::e3x1().

 {
     DetId id = getMaximum( cluster.hitsAndFractions(), recHits ).first;
     return matrixEnergy( cluster, recHits, topology, id, -1, 1, 0, 0 );
 }

float EcalClusterTools::e3x2	(	const reco::BasicCluster &	cluster,
		const EcalRecHitCollection *	recHits,
		const CaloTopology *	topology
	)

static

Definition at line 126 of file EcalClusterTools.cc.

References first, getMaximum(), and matrixEnergy().

Referenced by EcalClusterLazyTools::e3x2(), and PiZeroDiscriminatorProducer::produce().

 {
     DetId id = getMaximum( cluster.hitsAndFractions(), recHits ).first;
     std::list<float> energies;
     energies.push_back( matrixEnergy( cluster, recHits, topology, id, -1, 1, -1, 0 ) );
     energies.push_back( matrixEnergy( cluster, recHits, topology, id,  0, 1, -1, 1 ) );
     energies.push_back( matrixEnergy( cluster, recHits, topology, id, -1, 1,  0, 1 ) );
     energies.push_back( matrixEnergy( cluster, recHits, topology, id, -1, 0, -1, 1 ) );
     return *std::max_element(energies.begin(),energies.end());
 }

float EcalClusterTools::e3x3	(	const reco::BasicCluster &	cluster,
		const EcalRecHitCollection *	recHits,
		const CaloTopology *	topology
	)

static

Definition at line 139 of file EcalClusterTools.cc.

References first, getMaximum(), and matrixEnergy().

Referenced by EBClusterTask::analyze(), EEClusterTask::analyze(), ContainmentCorrectionAnalyzer::analyze(), HiEgammaSCEnergyCorrectionAlgo::applyCorrection(), PFPhotonTranslator::createPhotons(), EcalClusterLazyTools::e3x3(), egHLT::OffHelper::fillClusShapeData(), PhotonProducer::fillPhotonCollection(), and PiZeroDiscriminatorProducer::produce().

 {
     DetId id = getMaximum( cluster.hitsAndFractions(), recHits ).first;
     return matrixEnergy( cluster, recHits, topology, id, -1, 1, -1, 1 );
 }

float EcalClusterTools::e4x4	(	const reco::BasicCluster &	cluster,
		const EcalRecHitCollection *	recHits,
		const CaloTopology *	topology
	)

static

Definition at line 147 of file EcalClusterTools.cc.

References first, getMaximum(), and matrixEnergy().

Referenced by EcalClusterLazyTools::e4x4().

 {
     DetId id = getMaximum( cluster.hitsAndFractions(), recHits ).first;
     std::list<float> energies;
     energies.push_back( matrixEnergy( cluster, recHits, topology, id, -1, 2, -2, 1 ) );
     energies.push_back( matrixEnergy( cluster, recHits, topology, id, -2, 1, -2, 1 ) );
     energies.push_back( matrixEnergy( cluster, recHits, topology, id, -2, 1, -1, 2 ) );
     energies.push_back( matrixEnergy( cluster, recHits, topology, id, -1, 2, -1, 2 ) );
     return *std::max_element(energies.begin(),energies.end());
 }

float EcalClusterTools::e5x1	(	const reco::BasicCluster &	cluster,
		const EcalRecHitCollection *	recHits,
		const CaloTopology *	topology
	)

static

Definition at line 247 of file EcalClusterTools.cc.

References first, getMaximum(), and matrixEnergy().

 {
     DetId id = getMaximum( cluster.hitsAndFractions(), recHits ).first;
     return matrixEnergy( cluster, recHits, topology, id, -2, 2, 0, 0 );
 }

float EcalClusterTools::e5x5	(	const reco::BasicCluster &	cluster,
		const EcalRecHitCollection *	recHits,
		const CaloTopology *	topology
	)

static

Definition at line 160 of file EcalClusterTools.cc.

References first, getMaximum(), and matrixEnergy().

Referenced by EBClusterTask::analyze(), EEClusterTask::analyze(), ContainmentCorrectionAnalyzer::analyze(), HiEgammaSCEnergyCorrectionAlgo::applyCorrection(), GsfElectronAlgo::calculateShowerShape(), covariances(), PFPhotonTranslator::createPhotons(), EcalClusterLazyTools::e5x5(), PhotonProducer::fillPhotonCollection(), localCovariances(), meanClusterPosition(), PiZeroDiscriminatorProducer::produce(), and scLocalCovariances().

 {
     DetId id = getMaximum( cluster.hitsAndFractions(), recHits ).first;
     return matrixEnergy( cluster, recHits, topology, id, -2, 2, -2, 2 );
 }

float EcalClusterTools::eBottom	(	const reco::BasicCluster &	cluster,
		const EcalRecHitCollection *	recHits,
		const CaloTopology *	topology
	)

static

Definition at line 295 of file EcalClusterTools.cc.

References first, getMaximum(), and matrixEnergy().

Referenced by EcalClusterLazyTools::eBottom(), and PiZeroDiscriminatorProducer::produce().

 {
     DetId id = getMaximum( cluster.hitsAndFractions(), recHits ).first;
     return matrixEnergy( cluster, recHits, topology, id, 0, 0, -1, -1 );
 }

float EcalClusterTools::eLeft	(	const reco::BasicCluster &	cluster,
		const EcalRecHitCollection *	recHits,
		const CaloTopology *	topology
	)

static

Definition at line 271 of file EcalClusterTools.cc.

References first, getMaximum(), and matrixEnergy().

Referenced by EcalClusterLazyTools::eLeft(), and PiZeroDiscriminatorProducer::produce().

 {
     DetId id = getMaximum( cluster.hitsAndFractions(), recHits ).first;
     return matrixEnergy( cluster, recHits, topology, id, -1, -1, 0, 0 );
 }

float EcalClusterTools::eMax	(	const reco::BasicCluster &	cluster,
		const EcalRecHitCollection *	recHits
	)

static

Definition at line 168 of file EcalClusterTools.cc.

References getMaximum(), and edm::second().

Referenced by ContainmentCorrectionAnalyzer::analyze(), PFPhotonTranslator::createPhotons(), EcalClusterLazyTools::eMax(), PhotonProducer::fillPhotonCollection(), and PiZeroDiscriminatorProducer::produce().

 {
     return getMaximum( cluster.hitsAndFractions(), recHits ).second;
 }

std::vector< float > EcalClusterTools::energyBasketFractionEta	(	const reco::BasicCluster &	cluster,
		const EcalRecHitCollection *	recHits
	)

static

Definition at line 303 of file EcalClusterTools.cc.

References EcalBarrel, first, i, EBDetId::im(), EBDetId::kModulesPerSM, EBDetId::positiveZ(), recHitEnergy(), and python.multivaluedict::sort().

Referenced by EcalClusterLazyTools::energyBasketFractionEta().

 {
     std::vector<float> basketFraction( 2 * EBDetId::kModulesPerSM );
     float clusterEnergy = cluster.energy();
     std::vector< std::pair<DetId, float> > v_id = cluster.hitsAndFractions();
     if ( v_id[0].first.subdetId() != EcalBarrel ) {
         edm::LogWarning("EcalClusterTools::energyBasketFractionEta") << "Trying to get basket fraction for endcap basic-clusters. Basket fractions can be obtained ONLY for barrel basic-clusters. Returning empty vector.";
         return basketFraction;
     }
     for ( size_t i = 0; i < v_id.size(); ++i ) {
         basketFraction[ EBDetId(v_id[i].first).im()-1 + EBDetId(v_id[i].first).positiveZ()*EBDetId::kModulesPerSM ] += recHitEnergy( v_id[i].first, recHits ) * v_id[i].second / clusterEnergy;
     }
     std::sort( basketFraction.rbegin(), basketFraction.rend() );
     return basketFraction;
 }

std::vector< float > EcalClusterTools::energyBasketFractionPhi	(	const reco::BasicCluster &	cluster,
		const EcalRecHitCollection *	recHits
	)

static

Definition at line 321 of file EcalClusterTools.cc.

References EcalBarrel, first, i, EBDetId::iphi(), EBDetId::kCrystalsInPhi, EBDetId::kTowersInPhi, EBDetId::MAX_IPHI, EBDetId::positiveZ(), recHitEnergy(), and python.multivaluedict::sort().

Referenced by EcalClusterLazyTools::energyBasketFractionPhi().

 {
     std::vector<float> basketFraction( 2 * (EBDetId::MAX_IPHI / EBDetId::kCrystalsInPhi) );
     float clusterEnergy = cluster.energy();
     std::vector< std::pair<DetId, float> > v_id = cluster.hitsAndFractions();
     if ( v_id[0].first.subdetId() != EcalBarrel ) {
         edm::LogWarning("EcalClusterTools::energyBasketFractionPhi") << "Trying to get basket fraction for endcap basic-clusters. Basket fractions can be obtained ONLY for barrel basic-clusters. Returning empty vector.";
         return basketFraction;
     }
     for ( size_t i = 0; i < v_id.size(); ++i ) {
         basketFraction[ (EBDetId(v_id[i].first).iphi()-1)/EBDetId::kCrystalsInPhi + EBDetId(v_id[i].first).positiveZ()*EBDetId::kTowersInPhi] += recHitEnergy( v_id[i].first, recHits ) * v_id[i].second / clusterEnergy;
     }
     std::sort( basketFraction.rbegin(), basketFraction.rend() );
     return basketFraction;
 }

float EcalClusterTools::eRight	(	const reco::BasicCluster &	cluster,
		const EcalRecHitCollection *	recHits,
		const CaloTopology *	topology
	)

static

Definition at line 279 of file EcalClusterTools.cc.

References first, getMaximum(), and matrixEnergy().

Referenced by EcalClusterLazyTools::eRight(), and PiZeroDiscriminatorProducer::produce().

 {
     DetId id = getMaximum( cluster.hitsAndFractions(), recHits ).first;
     return matrixEnergy( cluster, recHits, topology, id, 1, 1, 0, 0 );
 }

float EcalClusterTools::eTop	(	const reco::BasicCluster &	cluster,
		const EcalRecHitCollection *	recHits,
		const CaloTopology *	topology
	)

static

Definition at line 287 of file EcalClusterTools.cc.

References first, getMaximum(), and matrixEnergy().

Referenced by EcalClusterLazyTools::eTop(), and PiZeroDiscriminatorProducer::produce().

 {
     DetId id = getMaximum( cluster.hitsAndFractions(), recHits ).first;
     return matrixEnergy( cluster, recHits, topology, id, 0, 0, 1, 1 );
 }

static double EcalClusterTools::f00 ( double r )

inlinestaticprivate

Definition at line 147 of file EcalClusterTools.h.

Referenced by fast_AbsZernikeMoment().

147 { return 1; }

static double EcalClusterTools::f11 ( double r )

inlinestaticprivate

Definition at line 148 of file EcalClusterTools.h.

References csvReporter::r.

Referenced by fast_AbsZernikeMoment().

148 { return r; }

csvReporter.r

tuple r

Definition: csvReporter.py:25

static double EcalClusterTools::f20 ( double r )

inlinestaticprivate

Definition at line 149 of file EcalClusterTools.h.

Referenced by fast_AbsZernikeMoment().

149 { return 2.0*r*r-1.0; }

csvReporter.r

tuple r

Definition: csvReporter.py:25

static double EcalClusterTools::f22 ( double r )

inlinestaticprivate

Definition at line 150 of file EcalClusterTools.h.

References csvReporter::r.

Referenced by fast_AbsZernikeMoment().

150 { return r*r; }

csvReporter.r

tuple r

Definition: csvReporter.py:25

static double EcalClusterTools::f31 ( double r )

inlinestaticprivate

Definition at line 151 of file EcalClusterTools.h.

References csvReporter::r.

Referenced by fast_AbsZernikeMoment().

151 { return 3.0*r*r*r - 2.0*r; }

csvReporter.r

tuple r

Definition: csvReporter.py:25

static double EcalClusterTools::f33 ( double r )

inlinestaticprivate

Definition at line 152 of file EcalClusterTools.h.

References csvReporter::r.

Referenced by fast_AbsZernikeMoment().

152 { return r*r*r; }

csvReporter.r

tuple r

Definition: csvReporter.py:25

static double EcalClusterTools::f40 ( double r )

inlinestaticprivate

Definition at line 153 of file EcalClusterTools.h.

Referenced by fast_AbsZernikeMoment().

153 { return 6.0*r*r*r*r-6.0*r*r+1.0; }

csvReporter.r

tuple r

Definition: csvReporter.py:25

static double EcalClusterTools::f42 ( double r )

inlinestaticprivate

Definition at line 154 of file EcalClusterTools.h.

References csvReporter::r.

Referenced by fast_AbsZernikeMoment().

154 { return 4.0*r*r*r*r-3.0*r*r; }

csvReporter.r

tuple r

Definition: csvReporter.py:25

static double EcalClusterTools::f44 ( double r )

inlinestaticprivate

Definition at line 155 of file EcalClusterTools.h.

References csvReporter::r.

Referenced by fast_AbsZernikeMoment().

155 { return r*r*r*r; }

csvReporter.r

tuple r

Definition: csvReporter.py:25

static double EcalClusterTools::f51 ( double r )

inlinestaticprivate

Definition at line 156 of file EcalClusterTools.h.

References funct::pow(), and csvReporter::r.

Referenced by fast_AbsZernikeMoment().

156 { return 10.0*pow(r,5)-12.0*pow(r,3)+3.0*r; }

csvReporter.r

tuple r

Definition: csvReporter.py:25

funct::pow

Power< A, B >::type pow(const A &a, const B &b)

Definition: Power.h:40

static double EcalClusterTools::f53 ( double r )

inlinestaticprivate

Definition at line 157 of file EcalClusterTools.h.

References funct::pow().

Referenced by fast_AbsZernikeMoment().

157 { return 5.0*pow(r,5) - 4.0*pow(r,3); }

csvReporter.r

tuple r

Definition: csvReporter.py:25

funct::pow

Power< A, B >::type pow(const A &a, const B &b)

Definition: Power.h:40

static double EcalClusterTools::f55 ( double r )

inlinestaticprivate

Definition at line 158 of file EcalClusterTools.h.

References funct::pow().

Referenced by fast_AbsZernikeMoment().

158 { return pow(r,5); }

csvReporter.r

tuple r

Definition: csvReporter.py:25

funct::pow

Power< A, B >::type pow(const A &a, const B &b)

Definition: Power.h:40

static double EcalClusterTools::factorial ( int n )

inlinestaticprivate

Definition at line 164 of file EcalClusterTools.h.

References i, and n.

Referenced by calc_AbsZernikeMoment().

                                                {
                         double res = 1.;
                         for (int i = 2; i <= n; ++i) res *= i;
                         return res;
                 }

double EcalClusterTools::fast_AbsZernikeMoment	(	const reco::BasicCluster &	cluster,
		const EcalRecHitCollection *	recHits,
		const CaloGeometry *	geometry,
		int	n,
		int	m,
		double	R0,
		bool	logW,
		float	w0
	)

staticprivate

Definition at line 719 of file EcalClusterTools.cc.

References funct::cos(), f00(), f11(), f20(), f22(), f31(), f33(), f40(), f42(), f44(), f51(), f53(), f55(), getEnergyDepTopology(), i, getHLTprescales::index, phi, csvReporter::r, funct::sin(), and mathSSE::sqrt().

Referenced by absZernikeMoment().

 {
     double r,ph,e,Re=0,Im=0;
     double TotalEnergy = cluster.energy();
     int index = (n/2)*(n/2)+(n/2)+m;
     std::vector<EcalClusterEnergyDeposition> energyDistribution = getEnergyDepTopology( cluster, recHits, geometry, logW, w0 );
     int clusterSize = energyDistribution.size();
     if(clusterSize < 3) return 0.0;
 
     for (int i=0; i<clusterSize; i++)
     { 
         r = energyDistribution[i].r / R0;
         if (r<1) {
             std::vector<double> pol;
             pol.push_back( f00(r) );
             pol.push_back( f11(r) );
             pol.push_back( f20(r) );
             pol.push_back( f22(r) );
             pol.push_back( f31(r) );
             pol.push_back( f33(r) );
             pol.push_back( f40(r) );
             pol.push_back( f42(r) );
             pol.push_back( f44(r) );
             pol.push_back( f51(r) );
             pol.push_back( f53(r) );
             pol.push_back( f55(r) );
             ph = (energyDistribution[i]).phi;
             e = energyDistribution[i].deposited_energy;
             Re = Re + e/TotalEnergy * pol[index] * cos( (double) m * ph);
             Im = Im - e/TotalEnergy * pol[index] * sin( (double) m * ph);
         }
     }
     return sqrt(Re*Re+Im*Im);
 }

float EcalClusterTools::getDPhiEndcap	(	const DetId &	crysId,
		float	meanX,
		float	meanY
	)

staticprivate

Definition at line 882 of file EcalClusterTools.cc.

References dPhi(), getNormedIX(), getNormedIY(), phi, and mathSSE::sqrt().

Referenced by localCovariances(), and scLocalCovariances().

 {
     float iXNorm  = getNormedIX(crysId);
     float iYNorm  = getNormedIY(crysId);
 
     float hitLocalR2 = (iXNorm-meanX)*(iXNorm-meanX)+(iYNorm-meanY)*(iYNorm-meanY);
     float hitR2 = iXNorm*iXNorm+iYNorm*iYNorm;
     float meanR2 = meanX*meanX+meanY*meanY;
     float hitR = sqrt(hitR2);
     float meanR = sqrt(meanR2);
 
     float phi = acos((hitR2+meanR2-hitLocalR2)/(2*hitR*meanR));
     float dPhi = hitR*phi;
 
     return dPhi;
 }

std::vector< EcalClusterTools::EcalClusterEnergyDeposition > EcalClusterTools::getEnergyDepTopology	(	const reco::BasicCluster &	cluster,
		const EcalRecHitCollection *	recHits,
		const CaloGeometry *	geometry,
		bool	logW,
		float	w0
	)

staticprivate

Definition at line 339 of file EcalClusterTools.cc.

References EcalClusterTools::EcalClusterEnergyDeposition::deposited_energy, diffTreeTool::diff, edm::SortedCollection< T, SORT >::end(), CaloRecHit::energy(), edm::SortedCollection< T, SORT >::find(), CaloSubdetectorGeometry::getGeometry(), CaloCellGeometry::getPosition(), CaloGeometry::getSubdetectorGeometry(), funct::log(), LogDebug, M_PI, max(), EcalClusterTools::EcalClusterEnergyDeposition::phi, EcalClusterTools::EcalClusterEnergyDeposition::r, CommonMethods::weight(), PV3DBase< T, PVType, FrameType >::x(), PV3DBase< T, PVType, FrameType >::y(), and PV3DBase< T, PVType, FrameType >::z().

Referenced by calc_AbsZernikeMoment(), fast_AbsZernikeMoment(), and lat().

 {
     std::vector<EcalClusterTools::EcalClusterEnergyDeposition> energyDistribution;
     // init a map of the energy deposition centered on the
     // cluster centroid. This is for momenta calculation only.
     CLHEP::Hep3Vector clVect(cluster.position().x(), cluster.position().y(), cluster.position().z());
     CLHEP::Hep3Vector clDir(clVect);
     clDir*=1.0/clDir.mag();
     // in the transverse plane, axis perpendicular to clusterDir
     CLHEP::Hep3Vector theta_axis(clDir.y(),-clDir.x(),0.0);
     theta_axis *= 1.0/theta_axis.mag();
     CLHEP::Hep3Vector phi_axis = theta_axis.cross(clDir);
 
     std::vector< std::pair<DetId, float> > clusterDetIds = cluster.hitsAndFractions();
 
     EcalClusterEnergyDeposition clEdep;
     EcalRecHit testEcalRecHit;
     std::vector< std::pair<DetId, float> >::iterator posCurrent;
     // loop over crystals
     for(posCurrent=clusterDetIds.begin(); posCurrent!=clusterDetIds.end(); ++posCurrent) {
         EcalRecHitCollection::const_iterator itt = recHits->find( (*posCurrent).first );
         testEcalRecHit=*itt;
 
         if(( (*posCurrent).first != DetId(0)) && (recHits->find( (*posCurrent).first ) != recHits->end())) {
             clEdep.deposited_energy = testEcalRecHit.energy() * (*posCurrent).second;
             // if logarithmic weight is requested, apply cut on minimum energy of the recHit
             if(logW) {
                 //double w0 = parameterMap_.find("W0")->second;
 
                 double weight = std::max(0.0, w0 + log(fabs(clEdep.deposited_energy)/cluster.energy()) );
                 if(weight==0) {
                     LogDebug("ClusterShapeAlgo") << "Crystal has insufficient energy: E = " 
                         << clEdep.deposited_energy << " GeV; skipping... ";
                     continue;
                 }
                 else LogDebug("ClusterShapeAlgo") << "===> got crystal. Energy = " << clEdep.deposited_energy << " GeV. ";
             }
             DetId id_ = (*posCurrent).first;
             const CaloCellGeometry *this_cell = geometry->getSubdetectorGeometry(id_)->getGeometry(id_);
             GlobalPoint cellPos = this_cell->getPosition();
             CLHEP::Hep3Vector gblPos (cellPos.x(),cellPos.y(),cellPos.z()); //surface position?
             // Evaluate the distance from the cluster centroid
             CLHEP::Hep3Vector diff = gblPos - clVect;
             // Important: for the moment calculation, only the "lateral distance" is important
             // "lateral distance" r_i = distance of the digi position from the axis Origin-Cluster Center
             // ---> subtract the projection on clDir
             CLHEP::Hep3Vector DigiVect = diff - diff.dot(clDir)*clDir;
             clEdep.r = DigiVect.mag();
             LogDebug("ClusterShapeAlgo") << "E = " << clEdep.deposited_energy
                 << "\tdiff = " << diff.mag()
                 << "\tr = " << clEdep.r;
             clEdep.phi = DigiVect.angle(theta_axis);
             if(DigiVect.dot(phi_axis)<0) clEdep.phi = 2 * M_PI - clEdep.phi;
             energyDistribution.push_back(clEdep);
         }
     } 
     return energyDistribution;
 }

float EcalClusterTools::getIEta ( const DetId & id )

staticprivate

Definition at line 789 of file EcalClusterTools.cc.

References DetId::Ecal, EcalBarrel, EcalEndcap, getNormedIX(), getNormedIY(), EBDetId::ieta(), and mathSSE::sqrt().

Referenced by getNrCrysDiffInEta().

 {
     if(id.det()==DetId::Ecal){
         if(id.subdetId()==EcalBarrel){
             EBDetId ebId(id);
             return ebId.ieta();
         }else if(id.subdetId()==EcalEndcap){
             float iXNorm = getNormedIX(id);
             float iYNorm = getNormedIY(id);
 
             return std::sqrt(iXNorm*iXNorm+iYNorm*iYNorm);
         }
     }
     return 0.;    
 }

float EcalClusterTools::getIPhi ( const DetId & id )

staticprivate

Definition at line 810 of file EcalClusterTools.cc.

References DetId::Ecal, EcalBarrel, and EBDetId::iphi().

Referenced by getNrCrysDiffInPhi().

 {
     if(id.det()==DetId::Ecal){
         if(id.subdetId()==EcalBarrel){
             EBDetId ebId(id);
             return ebId.iphi();
         }
     }
     return 0.;    
 }

std::pair< DetId, float > EcalClusterTools::getMaximum	(	const reco::BasicCluster &	cluster,
		const EcalRecHitCollection *	recHits
	)

static

Definition at line 34 of file EcalClusterTools.cc.

Referenced by ContainmentCorrectionAnalyzer::analyze(), EcalClusterSeverityLevelAlgo::closestProblematic(), covariances(), InvRingCalib::duringLoop(), EcalEleCalibLooper::duringLoop(), e1x3(), e1x5(), e2x2(), e2x5Bottom(), e2x5Left(), e2x5Max(), e2x5Right(), e2x5Top(), e3x1(), e3x2(), e3x3(), e4x4(), e5x1(), e5x5(), eBottom(), eLeft(), eMax(), eRight(), EcalClusterSeverityLevelAlgo::etaphiDistanceClosestProblematic(), eTop(), EcalClusterLazyTools::getMaximum(), localCovariances(), mean5x5PositionInLocalCrysCoord(), mean5x5PositionInXY(), meanClusterPosition(), and scLocalCovariances().

 {
     return getMaximum( cluster.hitsAndFractions(), recHits );
 }

std::pair< DetId, float > EcalClusterTools::getMaximum	(	const std::vector< std::pair< DetId, float > > &	v_id,
		const EcalRecHitCollection *	recHits
	)

static

Definition at line 18 of file EcalClusterTools.cc.

References relval_parameters_module::energy, first, i, max(), and recHitEnergy().

 {
     float max = 0;
     DetId id(0);
     for ( size_t i = 0; i < v_id.size(); ++i ) {
         float energy = recHitEnergy( v_id[i].first, recHits ) * v_id[i].second;
         if ( energy > max ) {
             max = energy;
             id = v_id[i].first;
         }
     }
     return std::pair<DetId, float>(id, max);
 }

float EcalClusterTools::getNormedIX ( const DetId & id )

staticprivate

Definition at line 822 of file EcalClusterTools.cc.

References DetId::Ecal, EcalEndcap, and EEDetId::ix().

Referenced by getDPhiEndcap(), getIEta(), and mean5x5PositionInXY().

 {
     if(id.det()==DetId::Ecal && id.subdetId()==EcalEndcap){
         EEDetId eeId(id);      
         int iXNorm  = eeId.ix()-50;
         if(iXNorm<=0) iXNorm--;
         return iXNorm;
     }
     return 0;
 }

float EcalClusterTools::getNormedIY ( const DetId & id )

staticprivate

Definition at line 834 of file EcalClusterTools.cc.

References DetId::Ecal, EcalEndcap, and EEDetId::iy().

Referenced by getDPhiEndcap(), getIEta(), and mean5x5PositionInXY().

 {
     if(id.det()==DetId::Ecal && id.subdetId()==EcalEndcap){
         EEDetId eeId(id);      
         int iYNorm  = eeId.iy()-50;
         if(iYNorm<=0) iYNorm--;
         return iYNorm;
     }
     return 0;
 }

float EcalClusterTools::getNrCrysDiffInEta	(	const DetId &	crysId,
		const DetId &	orginId
	)

staticprivate

Definition at line 846 of file EcalClusterTools.cc.

References EcalBarrel, getIEta(), and DetId::subdetId().

Referenced by localCovariances(), mean5x5PositionInLocalCrysCoord(), and scLocalCovariances().

 {
     float crysIEta = getIEta(crysId);
     float orginIEta = getIEta(orginId);
     bool isBarrel = orginId.subdetId()==EcalBarrel;
 
     float nrCrysDiff = crysIEta-orginIEta;
 
     //no iEta=0 in barrel, so if go from positive to negative
     //need to reduce abs(detEta) by 1
     if(isBarrel){ 
         if(crysIEta*orginIEta<0){ // -1 to 1 transition
             if(crysIEta>0) nrCrysDiff--;
             else nrCrysDiff++;
         }
     }
     return nrCrysDiff;
 }

float EcalClusterTools::getNrCrysDiffInPhi	(	const DetId &	crysId,
		const DetId &	orginId
	)

staticprivate

Definition at line 866 of file EcalClusterTools.cc.

References EcalBarrel, getIPhi(), and DetId::subdetId().

Referenced by localCovariances(), mean5x5PositionInLocalCrysCoord(), and scLocalCovariances().

 {
     float crysIPhi = getIPhi(crysId);
     float orginIPhi = getIPhi(orginId);
     bool isBarrel = orginId.subdetId()==EcalBarrel;
 
     float nrCrysDiff = crysIPhi-orginIPhi;
 
     if(isBarrel){ //if barrel, need to map into 0-180 
         if (nrCrysDiff > + 180) { nrCrysDiff = nrCrysDiff - 360; }
         if (nrCrysDiff < - 180) { nrCrysDiff = nrCrysDiff + 360; }
     }
     return nrCrysDiff;
 }

std::vector< int > EcalClusterTools::getSeedPosition ( std::vector< const EcalRecHit * > RH_ptrs )

staticprivate

Definition at line 1346 of file EcalClusterTools.cc.

References EBDetId::ieta().

Referenced by roundnessBarrelSuperClustersUserExtended(), and roundnessSelectedBarrelRecHits().

                                                                                     {
     std::vector<int> seedPosition;
     float eSeedRH = 0;
     int iEtaSeedRH = 0;
     int iPhiSeedRH = 0;
 
     for(std::vector<const EcalRecHit*>::const_iterator rh_ptr = RH_ptrs.begin(); rh_ptr != RH_ptrs.end(); rh_ptr++){
 
         //get iEta, iPhi
         EBDetId EBdetIdi( (*rh_ptr)->detid() );
 
         if(eSeedRH < (*rh_ptr)->energy()){
             eSeedRH = (*rh_ptr)->energy();
             iEtaSeedRH = EBdetIdi.ieta();
             iPhiSeedRH = EBdetIdi.iphi();
         }
 
     }// for loop
 
     seedPosition.push_back(iEtaSeedRH);
     seedPosition.push_back(iPhiSeedRH);
     return seedPosition;
 }

float EcalClusterTools::getSumEnergy ( std::vector< const EcalRecHit * > RH_ptrs )

staticprivate

Definition at line 1371 of file EcalClusterTools.cc.

Referenced by cluster2ndMoments(), and roundnessSelectedBarrelRecHits().

                                                                         {
 
     float sumE = 0.;
 
     for(std::vector<const EcalRecHit*>::const_iterator rh_ptr = RH_ptrs.begin(); rh_ptr != RH_ptrs.end(); rh_ptr++){
         sumE += (*rh_ptr)->energy();
     }// for loop
 
     return sumE;
 }

std::vector< float > EcalClusterTools::lat	(	const reco::BasicCluster &	cluster,
		const EcalRecHitCollection *	recHits,
		const CaloGeometry *	geometry,
		bool	logW = `true`,
		float	w0 = `4.7`
	)

static

Definition at line 400 of file EcalClusterTools.cc.

References funct::cos(), getEnergyDepTopology(), i, n, phi, csvReporter::r, funct::sin(), and tmp.

Referenced by EcalClusterLazyTools::lat().

 {
     std::vector<EcalClusterTools::EcalClusterEnergyDeposition> energyDistribution = getEnergyDepTopology( cluster, recHits, geometry, logW, w0 );
 
     std::vector<float> lat;
     double r, redmoment=0;
     double phiRedmoment = 0 ;
     double etaRedmoment = 0 ;
     int n,n1,n2,tmp;
     int clusterSize=energyDistribution.size();
     float etaLat_, phiLat_, lat_;
     if (clusterSize<3) {
         etaLat_ = 0.0 ; 
         lat_ = 0.0;
         lat.push_back(0.);
         lat.push_back(0.);
         lat.push_back(0.);
         return lat; 
     }
 
     n1=0; n2=1;
     if (energyDistribution[1].deposited_energy > 
             energyDistribution[0].deposited_energy) 
     {
         tmp=n2; n2=n1; n1=tmp;
     }
     for (int i=2; i<clusterSize; i++) {
         n=i;
         if (energyDistribution[i].deposited_energy > 
                 energyDistribution[n1].deposited_energy) 
         {
             tmp = n2;
             n2 = n1; n1 = i; n=tmp;
         } else {
             if (energyDistribution[i].deposited_energy > 
                     energyDistribution[n2].deposited_energy) 
             {
                 tmp=n2; n2=i; n=tmp;
             }
         }
 
         r = energyDistribution[n].r;
         redmoment += r*r* energyDistribution[n].deposited_energy;
         double rphi = r * cos (energyDistribution[n].phi) ;
         phiRedmoment += rphi * rphi * energyDistribution[n].deposited_energy;
         double reta = r * sin (energyDistribution[n].phi) ;
         etaRedmoment += reta * reta * energyDistribution[n].deposited_energy;
     } 
     double e1 = energyDistribution[n1].deposited_energy;
     double e2 = energyDistribution[n2].deposited_energy;
 
     lat_ = redmoment/(redmoment+2.19*2.19*(e1+e2));
     phiLat_ = phiRedmoment/(phiRedmoment+2.19*2.19*(e1+e2));
     etaLat_ = etaRedmoment/(etaRedmoment+2.19*2.19*(e1+e2));
 
     lat.push_back(etaLat_);
     lat.push_back(phiLat_);
     lat.push_back(lat_);
     return lat;
 }

std::vector< float > EcalClusterTools::localCovariances	(	const reco::BasicCluster &	cluster,
		const EcalRecHitCollection *	recHits,
		const CaloTopology *	topology,
		float	w0 = `4.7`
	)

static

Definition at line 609 of file EcalClusterTools.cc.

References RecoTauValidation_cfi::denominator, dPhi(), e5x5(), EcalBarrel, relval_parameters_module::energy, getDPhiEndcap(), getMaximum(), getNrCrysDiffInEta(), getNrCrysDiffInPhi(), CaloTopology::getSubdetectorTopology(), CaloNavigator< T >::home(), funct::log(), max(), mean5x5PositionInLocalCrysCoord(), mean5x5PositionInXY(), CaloNavigator< T >::offsetBy(), recHitEnergy(), DetId::subdetId(), and v.

Referenced by GsfElectronAlgo::calculateShowerShape(), PFPhotonTranslator::createPhotons(), egHLT::OffHelper::fillClusShapeData(), PhotonProducer::fillPhotonCollection(), and EcalClusterLazyTools::localCovariances().

 {
 
     float e_5x5 = e5x5( cluster, recHits, topology );
     float covEtaEta, covEtaPhi, covPhiPhi;
 
     if (e_5x5 >= 0.) {
         //double w0_ = parameterMap_.find("W0")->second;
         std::vector< std::pair<DetId, float> > v_id = cluster.hitsAndFractions();
         std::pair<float,float> mean5x5PosInNrCrysFromSeed =  mean5x5PositionInLocalCrysCoord( cluster, recHits, topology );
         std::pair<float,float> mean5x5XYPos =  mean5x5PositionInXY(cluster,recHits,topology);
 
         // now we can calculate the covariances
         double numeratorEtaEta = 0;
         double numeratorEtaPhi = 0;
         double numeratorPhiPhi = 0;
         double denominator     = 0;
 
         //these allow us to scale the localCov by the crystal size 
         //so that the localCovs have the same average value as the normal covs
         const double barrelCrysSize = 0.01745; //approximate size of crystal in eta,phi in barrel
         const double endcapCrysSize = 0.0447; //the approximate crystal size sigmaEtaEta was corrected to in the endcap
 
         DetId seedId = getMaximum( v_id, recHits ).first;
 
         bool isBarrel=seedId.subdetId()==EcalBarrel;
         const double crysSize = isBarrel ? barrelCrysSize : endcapCrysSize;
 
         CaloNavigator<DetId> cursor = CaloNavigator<DetId>( seedId, topology->getSubdetectorTopology( seedId ) );
 
         for ( int eastNr = -2; eastNr <= 2; ++eastNr ) { //east is eta in barrel
             for ( int northNr = -2; northNr <= 2; ++northNr ) { //north is phi in barrel
                 cursor.home();
                 cursor.offsetBy( eastNr, northNr);
                 float energy = recHitEnergy( *cursor, recHits );
                 if ( energy <= 0 ) continue;
 
                 float dEta = getNrCrysDiffInEta(*cursor,seedId) - mean5x5PosInNrCrysFromSeed.first;
                 float dPhi = 0;
 
                 if(isBarrel)  dPhi = getNrCrysDiffInPhi(*cursor,seedId) - mean5x5PosInNrCrysFromSeed.second;
                 else dPhi = getDPhiEndcap(*cursor,mean5x5XYPos.first,mean5x5XYPos.second);
 
 
                 double w = std::max(0.0, w0 + log( energy / e_5x5 ));
 
                 denominator += w;
                 numeratorEtaEta += w * dEta * dEta;
                 numeratorEtaPhi += w * dEta * dPhi;
                 numeratorPhiPhi += w * dPhi * dPhi;
             } //end east loop
         }//end north loop
 
 
         //multiplying by crysSize to make the values compariable to normal covariances
         if (denominator != 0.0) {
             covEtaEta =  crysSize*crysSize* numeratorEtaEta / denominator;
             covEtaPhi =  crysSize*crysSize* numeratorEtaPhi / denominator;
             covPhiPhi =  crysSize*crysSize* numeratorPhiPhi / denominator;
         } else {
             covEtaEta = 999.9;
             covEtaPhi = 999.9;
             covPhiPhi = 999.9;
         }
 
 
     } else {
         // Warn the user if there was no energy in the cells and return zeroes.
         //       std::cout << "\ClusterShapeAlgo::Calculate_Covariances:  no energy in supplied cells.\n";
         covEtaEta = 0;
         covEtaPhi = 0;
         covPhiPhi = 0;
     }
     std::vector<float> v;
     v.push_back( covEtaEta );
     v.push_back( covEtaPhi );
     v.push_back( covPhiPhi );
     return v;
 }

std::vector< DetId > EcalClusterTools::matrixDetId	(	const CaloTopology *	topology,
		DetId	id,
		int	ixMin,
		int	ixMax,
		int	iyMin,
		int	iyMax
	)

static

Definition at line 94 of file EcalClusterTools.cc.

References CaloTopology::getSubdetectorTopology(), CaloNavigator< T >::home(), i, j, CaloNavigator< T >::offsetBy(), and v.

Referenced by EcalClusterLazyTools::matrixDetId(), mean5x5PositionInLocalCrysCoord(), mean5x5PositionInXY(), and meanClusterPosition().

 {
     CaloNavigator<DetId> cursor = CaloNavigator<DetId>( id, topology->getSubdetectorTopology( id ) );
     std::vector<DetId> v;
     for ( int i = ixMin; i <= ixMax; ++i ) {
         for ( int j = iyMin; j <= iyMax; ++j ) {
             cursor.home();
             cursor.offsetBy( i, j );
             if ( *cursor != DetId(0) ) v.push_back( *cursor );
         }
     }
     return v;
 }

float EcalClusterTools::matrixEnergy	(	const reco::BasicCluster &	cluster,
		const EcalRecHitCollection *	recHits,
		const CaloTopology *	topology,
		DetId	id,
		int	ixMin,
		int	ixMax,
		int	iyMin,
		int	iyMax
	)

static

Definition at line 71 of file EcalClusterTools.cc.

References relval_parameters_module::energy, CaloTopology::getSubdetectorTopology(), CaloNavigator< T >::home(), i, j, CaloNavigator< T >::offsetBy(), and recHitEnergy().

Referenced by e1x3(), e1x5(), e2x2(), e2x5Bottom(), e2x5Left(), e2x5Max(), e2x5Right(), e2x5Top(), e3x1(), e3x2(), e3x3(), e4x4(), e5x1(), e5x5(), eBottom(), eLeft(), eRight(), eTop(), and EcalClusterLazyTools::matrixEnergy().

 {
     // fast version
     CaloNavigator<DetId> cursor = CaloNavigator<DetId>( id, topology->getSubdetectorTopology( id ) );
     float energy = 0;
     for ( int i = ixMin; i <= ixMax; ++i ) {
         for ( int j = iyMin; j <= iyMax; ++j ) {
             cursor.home();
             cursor.offsetBy( i, j );
             energy += recHitEnergy( *cursor, recHits );
         }
     }
     // slow elegant version
     //float energy = 0;
     //std::vector<DetId> v_id = matrixDetId( topology, id, ixMin, ixMax, iyMin, iyMax );
     //for ( std::vector<DetId>::const_iterator it = v_id.begin(); it != v_id.end(); ++it ) {
     //        energy += recHitEnergy( *it, recHits );
     //}
     return energy;
 }

std::pair< float, float > EcalClusterTools::mean5x5PositionInLocalCrysCoord	(	const reco::BasicCluster &	cluster,
		const EcalRecHitCollection *	recHits,
		const CaloTopology *	topology
	)

staticprivate

Definition at line 485 of file EcalClusterTools.cc.

References relval_parameters_module::energy, CastorDataFrameFilter_impl::energySum(), getMaximum(), getNrCrysDiffInEta(), getNrCrysDiffInPhi(), matrixDetId(), and recHitEnergy().

Referenced by localCovariances(), and scLocalCovariances().

 {
     DetId seedId =  getMaximum( cluster, recHits ).first;
     float meanDEta=0.;
     float meanDPhi=0.;
     float energySum=0.;
 
     std::vector<DetId> v_id = matrixDetId( topology,seedId, -2, 2, -2, 2 );
     for ( std::vector<DetId>::const_iterator it = v_id.begin(); it != v_id.end(); ++it ) {  
         float energy = recHitEnergy(*it,recHits);
         if(energy<0.) continue;//skipping negative energy crystals
         meanDEta += energy * getNrCrysDiffInEta(*it,seedId);
         meanDPhi += energy * getNrCrysDiffInPhi(*it,seedId);    
         energySum +=energy;
     }
     meanDEta /=energySum;
     meanDPhi /=energySum;
     return std::pair<float,float>(meanDEta,meanDPhi);
 }

std::pair< float, float > EcalClusterTools::mean5x5PositionInXY	(	const reco::BasicCluster &	cluster,
		const EcalRecHitCollection *	recHits,
		const CaloTopology *	topology
	)

staticprivate

Definition at line 511 of file EcalClusterTools.cc.

References EcalBarrel, relval_parameters_module::energy, CastorDataFrameFilter_impl::energySum(), getMaximum(), getNormedIX(), getNormedIY(), matrixDetId(), recHitEnergy(), and DetId::subdetId().

Referenced by localCovariances(), and scLocalCovariances().

 {
     DetId seedId =  getMaximum( cluster, recHits ).first;
 
     std::pair<float,float> meanXY(0.,0.);
     if(seedId.subdetId()==EcalBarrel) return meanXY;
 
     float energySum=0.;
 
     std::vector<DetId> v_id = matrixDetId( topology,seedId, -2, 2, -2, 2 );
     for ( std::vector<DetId>::const_iterator it = v_id.begin(); it != v_id.end(); ++it ) {  
         float energy = recHitEnergy(*it,recHits);
         if(energy<0.) continue;//skipping negative energy crystals
         meanXY.first += energy * getNormedIX(*it);
         meanXY.second += energy * getNormedIY(*it);
         energySum +=energy;
     }
     meanXY.first/=energySum;
     meanXY.second/=energySum;
     return meanXY;
 }

math::XYZVector EcalClusterTools::meanClusterPosition	(	const reco::BasicCluster &	cluster,
		const EcalRecHitCollection *	recHits,
		const CaloTopology *	topology,
		const CaloGeometry *	geometry
	)

staticprivate

Definition at line 463 of file EcalClusterTools.cc.

References e5x5(), first, CaloSubdetectorGeometry::getGeometry(), getMaximum(), CaloCellGeometry::getPosition(), CaloGeometry::getSubdetectorGeometry(), matrixDetId(), position, recHitEnergy(), PV3DBase< T, PVType, FrameType >::x(), PV3DBase< T, PVType, FrameType >::y(), and PV3DBase< T, PVType, FrameType >::z().

Referenced by covariances().

 {
     // find mean energy position of a 5x5 cluster around the maximum
     math::XYZVector meanPosition(0.0, 0.0, 0.0);
     std::vector<DetId> v_id = matrixDetId( topology, getMaximum( cluster, recHits ).first, -2, 2, -2, 2 );
     for ( std::vector<DetId>::const_iterator it = v_id.begin(); it != v_id.end(); ++it ) {
         GlobalPoint positionGP = geometry->getSubdetectorGeometry( *it )->getGeometry( *it )->getPosition();
         math::XYZVector position(positionGP.x(),positionGP.y(),positionGP.z());
         meanPosition = meanPosition + recHitEnergy( *it, recHits ) * position;
     }
     return meanPosition / e5x5( cluster, recHits, topology );
 }

float EcalClusterTools::recHitEnergy	(	DetId	id,
		const EcalRecHitCollection *	recHits
	)

static

Definition at line 41 of file EcalClusterTools.cc.

References edm::SortedCollection< T, SORT >::end(), and edm::SortedCollection< T, SORT >::find().

Referenced by covariances(), e2nd(), energyBasketFractionEta(), energyBasketFractionPhi(), getMaximum(), localCovariances(), matrixEnergy(), mean5x5PositionInLocalCrysCoord(), mean5x5PositionInXY(), meanClusterPosition(), and scLocalCovariances().

 {
     if ( id == DetId(0) ) {
         return 0;
     } else {
         EcalRecHitCollection::const_iterator it = recHits->find( id );
         if ( it != recHits->end() ) {
             return (*it).energy();
         } else {
             //throw cms::Exception("EcalRecHitNotFound") << "The recHit corresponding to the DetId" << id.rawId() << " not found in the EcalRecHitCollection";
             // the recHit is not in the collection (hopefully zero suppressed)
             return 0;
         }
     }
     return 0;
 }

std::vector< float > EcalClusterTools::roundnessBarrelSuperClusters	(	const reco::SuperCluster &	superCluster,
		const EcalRecHitCollection &	recHits,
		int	weightedPositionMethod = `0`,
		float	energyThreshold = `0.0`
	)

static

Definition at line 1126 of file EcalClusterTools.cc.

References edm::SortedCollection< T, SORT >::end(), edm::SortedCollection< T, SORT >::find(), first, reco::CaloCluster::hitsAndFractions(), i, roundnessSelectedBarrelRecHits(), and cond::rpcobtemp::temp.

Referenced by EcalHaloAlgo::Calculate().

                                                                                                                                                                                             {//int positionWeightingMethod=0){
     std::vector<const EcalRecHit*>RH_ptrs;
     std::vector< std::pair<DetId, float> > myHitsPair = superCluster.hitsAndFractions();
     std::vector<DetId> usedCrystals;
     for(unsigned int i=0; i< myHitsPair.size(); i++){
         usedCrystals.push_back(myHitsPair[i].first);
     }
     for(unsigned int i=0; i<usedCrystals.size(); i++){
         //get pointer to recHit object
         EcalRecHitCollection::const_iterator myRH = recHits.find(usedCrystals[i]);
         if( myRH != recHits.end() && myRH->energy() > energyThreshold){ //require rec hit to have positive energy
             RH_ptrs.push_back(  &(*myRH)  );
         }
     }
     std::vector<float> temp = EcalClusterTools::roundnessSelectedBarrelRecHits(RH_ptrs,weightedPositionMethod); 
     return temp;
 }

std::vector< float > EcalClusterTools::roundnessBarrelSuperClustersUserExtended	(	const reco::SuperCluster &	superCluster,
		const EcalRecHitCollection &	recHits,
		int	ieta_delta = `0`,
		int	iphi_delta = `0`,
		float	energyRHThresh = `0.00000`,
		int	weightedPositionMethod = `0`
	)

static

Definition at line 1149 of file EcalClusterTools.cc.

References abs, edm::SortedCollection< T, SORT >::begin(), deltaIEta(), deltaIPhi(), edm::SortedCollection< T, SORT >::end(), edm::SortedCollection< T, SORT >::find(), first, getSeedPosition(), reco::CaloCluster::hitsAndFractions(), i, and roundnessSelectedBarrelRecHits().

                                                                                                                                                                                                                                        {
 
     std::vector<const EcalRecHit*>RH_ptrs;
     std::vector< std::pair<DetId, float> > myHitsPair = superCluster.hitsAndFractions();
     std::vector<DetId> usedCrystals;
     for(unsigned int i=0; i< myHitsPair.size(); i++){
         usedCrystals.push_back(myHitsPair[i].first);
     }
 
     for(unsigned int i=0; i<usedCrystals.size(); i++){
         //get pointer to recHit object
         EcalRecHitCollection::const_iterator myRH = recHits.find(usedCrystals[i]);
         if(myRH != recHits.end() && myRH->energy() > energyRHThresh)
             RH_ptrs.push_back(  &(*myRH)  );
     }
 
 
     std::vector<int> seedPosition = EcalClusterTools::getSeedPosition(  RH_ptrs  );
 
     for(EcalRecHitCollection::const_iterator rh = recHits.begin(); rh != recHits.end(); rh++){
         EBDetId EBdetIdi( rh->detid() );
         //if(rh != recHits.end())
         bool inEtaWindow = (   abs(  deltaIEta(seedPosition[0],EBdetIdi.ieta())  ) <= ieta_delta   );
         bool inPhiWindow = (   abs(  deltaIPhi(seedPosition[1],EBdetIdi.iphi())  ) <= iphi_delta   );
         bool passEThresh = (  rh->energy() > energyRHThresh  );
         bool alreadyCounted = false;
 
         // figure out if the rechit considered now is already inside the SC
         bool is_SCrh_inside_recHits = false;
         for(unsigned int i=0; i<usedCrystals.size(); i++){
             EcalRecHitCollection::const_iterator SCrh = recHits.find(usedCrystals[i]);
             if(SCrh != recHits.end()){
                 is_SCrh_inside_recHits = true;
                 if( rh->detid() == SCrh->detid()  ) alreadyCounted = true;
             }
         }//for loop over SC's recHits
 
         if( is_SCrh_inside_recHits && !alreadyCounted && passEThresh && inEtaWindow && inPhiWindow){
             RH_ptrs.push_back( &(*rh) );
         }
 
     }//for loop over rh
     return EcalClusterTools::roundnessSelectedBarrelRecHits(RH_ptrs,weightedPositionMethod);
 }

std::vector< float > EcalClusterTools::roundnessSelectedBarrelRecHits	(	std::vector< const EcalRecHit * >	rhVector,
		int	weightedPositionMethod = `0`
	)

static

Definition at line 1197 of file EcalClusterTools.cc.

References deltaIEta(), deltaIPhi(), RecoTauValidation_cfi::denominator, getSeedPosition(), getSumEnergy(), i, funct::log(), max(), cond::rpcobtemp::temp, and CommonMethods::weight().

Referenced by roundnessBarrelSuperClusters(), and roundnessBarrelSuperClustersUserExtended().

                                                                                                                                   {//int weightedPositionMethod = 0){
     //positionWeightingMethod = 0 linear weighting, 1 log energy weighting
 
     std::vector<float> shapes; // this is the returning vector
 
     //make sure photon has more than one crystal; else roundness and angle suck
     if(RH_ptrs.size()<2){
         shapes.push_back( -3 );
         shapes.push_back( -3 );
         return shapes;
     }
 
     //Find highest E RH (Seed) and save info, compute sum total energy used
     std::vector<int> seedPosition = EcalClusterTools::getSeedPosition(  RH_ptrs  );// *recHits);
     int tempInt = seedPosition[0];
     if(tempInt <0) tempInt++;
     float energyTotal = EcalClusterTools::getSumEnergy(  RH_ptrs  );
 
     //1st loop over rechits: compute new weighted center position in coordinates centered on seed
     float centerIEta = 0.;
     float centerIPhi = 0.;
     float denominator = 0.;
 
     for(std::vector<const EcalRecHit*>::const_iterator rh_ptr = RH_ptrs.begin(); rh_ptr != RH_ptrs.end(); rh_ptr++){
         //get iEta, iPhi
         EBDetId EBdetIdi( (*rh_ptr)->detid() );
         if(fabs(energyTotal) < 0.0001){
             // don't /0, bad!
             shapes.push_back( -2 );
             shapes.push_back( -2 );
             return shapes;
         }
         float weight = 0;
         if(fabs(weightedPositionMethod)<0.0001){ //linear
             weight = (*rh_ptr)->energy()/energyTotal;
         }else{ //logrithmic
             weight = std::max(0.0, 4.2 + log((*rh_ptr)->energy()/energyTotal));
         }
         denominator += weight;
         centerIEta += weight*deltaIEta(seedPosition[0],EBdetIdi.ieta()); 
         centerIPhi += weight*deltaIPhi(seedPosition[1],EBdetIdi.iphi());
     }
     if(fabs(denominator) < 0.0001){
         // don't /0, bad!
         shapes.push_back( -2 );
         shapes.push_back( -2 );
         return shapes;
     }
     centerIEta = centerIEta / denominator;
     centerIPhi = centerIPhi / denominator;
 
 
     //2nd loop over rechits: compute inertia tensor
     TMatrixDSym inertia(2); //initialize 2d inertia tensor
     double inertia00 = 0.;
     double inertia01 = 0.;// = inertia10 b/c matrix should be symmetric
     double inertia11 = 0.;
     int i = 0;
     for(std::vector<const EcalRecHit*>::const_iterator rh_ptr = RH_ptrs.begin(); rh_ptr != RH_ptrs.end(); rh_ptr++){
         //get iEta, iPhi
         EBDetId EBdetIdi( (*rh_ptr)->detid() );
 
         if(fabs(energyTotal) < 0.0001){
             // don't /0, bad!
             shapes.push_back( -2 );
             shapes.push_back( -2 );
             return shapes;
         }
         float weight = 0;
         if(fabs(weightedPositionMethod) < 0.0001){ //linear
             weight = (*rh_ptr)->energy()/energyTotal;
         }else{ //logrithmic
             weight = std::max(0.0, 4.2 + log((*rh_ptr)->energy()/energyTotal));
         }
 
         float ieta_rh_to_center = deltaIEta(seedPosition[0],EBdetIdi.ieta()) - centerIEta;
         float iphi_rh_to_center = deltaIPhi(seedPosition[1],EBdetIdi.iphi()) - centerIPhi;
 
         inertia00 += weight*iphi_rh_to_center*iphi_rh_to_center;
         inertia01 -= weight*iphi_rh_to_center*ieta_rh_to_center;
         inertia11 += weight*ieta_rh_to_center*ieta_rh_to_center;
         i++;
     }
 
     inertia[0][0] = inertia00;
     inertia[0][1] = inertia01; // use same number here
     inertia[1][0] = inertia01; // and here to insure symmetry
     inertia[1][1] = inertia11;
 
 
     //step 1 find principal axes of inertia
     TMatrixD eVectors(2,2);
     TVectorD eValues(2);
     //std::cout<<"EcalClusterTools::showerRoundness- about to compute eVectors"<<std::endl;
     eVectors=inertia.EigenVectors(eValues); //ordered highest eV to lowest eV (I checked!)
     //and eVectors are in columns of matrix! I checked!
     //and they are normalized to 1
 
 
 
     //step 2 select eta component of smaller eVal's eVector
     TVectorD smallerAxis(2);//easiest to spin SC on this axis (smallest eVal)
     smallerAxis[0]=eVectors[0][1];//row,col  //eta component
     smallerAxis[1]=eVectors[1][1];           //phi component
 
     //step 3 compute interesting quatities
     Double_t temp = fabs(smallerAxis[0]);// closer to 1 ->beamhalo, closer to 0 something else
     if(fabs(eValues[0]) < 0.0001){
         // don't /0, bad!
         shapes.push_back( -2 );
         shapes.push_back( -2 );
         return shapes;
     }
 
     float Roundness = eValues[1]/eValues[0];
     float Angle=acos(temp);
 
     if( -0.00001 < Roundness && Roundness < 0) Roundness = 0.;
     if( -0.00001 < Angle && Angle < 0 ) Angle = 0.;
 
     shapes.push_back( Roundness );
     shapes.push_back( Angle );
     return shapes;
 
 }

std::vector< float > EcalClusterTools::scLocalCovariances	(	const reco::SuperCluster &	cluster,
		const EcalRecHitCollection *	recHits,
		const CaloTopology *	topology,
		float	w0 = `4.7`
	)

static

Definition at line 899 of file EcalClusterTools.cc.

References RecoTauValidation_cfi::denominator, dPhi(), e5x5(), EcalBarrel, relval_parameters_module::energy, first, getDPhiEndcap(), getMaximum(), getNrCrysDiffInEta(), getNrCrysDiffInPhi(), CaloTopology::getSubdetectorTopology(), reco::CaloCluster::hitsAndFractions(), i, funct::log(), max(), mean5x5PositionInLocalCrysCoord(), mean5x5PositionInXY(), recHitEnergy(), reco::SuperCluster::seed(), DetId::subdetId(), and v.

Referenced by EcalClusterLazyTools::scLocalCovariances().

 {
     const reco::BasicCluster bcluster = *(cluster.seed());
 
     float e_5x5 = e5x5(bcluster, recHits, topology);
     float covEtaEta, covEtaPhi, covPhiPhi;
 
     if (e_5x5 >= 0.) {
         std::vector<std::pair<DetId, float> > v_id = cluster.hitsAndFractions();
         std::pair<float,float> mean5x5PosInNrCrysFromSeed =  mean5x5PositionInLocalCrysCoord(bcluster, recHits, topology);
         std::pair<float,float> mean5x5XYPos =  mean5x5PositionInXY(cluster,recHits,topology);
         // now we can calculate the covariances
         double numeratorEtaEta = 0;
         double numeratorEtaPhi = 0;
         double numeratorPhiPhi = 0;
         double denominator     = 0;
 
         const double barrelCrysSize = 0.01745; //approximate size of crystal in eta,phi in barrel
         const double endcapCrysSize = 0.0447; //the approximate crystal size sigmaEtaEta was corrected to in the endcap
 
         DetId seedId = getMaximum(v_id, recHits).first;  
         bool isBarrel=seedId.subdetId()==EcalBarrel;
 
         const double crysSize = isBarrel ? barrelCrysSize : endcapCrysSize;
 
         for (size_t i = 0; i < v_id.size(); ++i) {
             CaloNavigator<DetId> cursor = CaloNavigator<DetId>(v_id[i].first, topology->getSubdetectorTopology(v_id[i].first));
             float energy = recHitEnergy(*cursor, recHits);
 
             if (energy <= 0) continue;
 
             float dEta = getNrCrysDiffInEta(*cursor,seedId) - mean5x5PosInNrCrysFromSeed.first;
             float dPhi = 0;
             if(isBarrel)  dPhi = getNrCrysDiffInPhi(*cursor,seedId) - mean5x5PosInNrCrysFromSeed.second;
             else dPhi = getDPhiEndcap(*cursor,mean5x5XYPos.first,mean5x5XYPos.second);
 
 
 
             double w = 0.;
             w = std::max(0.0, w0 + log( energy / e_5x5 ));
 
             denominator += w;
             numeratorEtaEta += w * dEta * dEta;
             numeratorEtaPhi += w * dEta * dPhi;
             numeratorPhiPhi += w * dPhi * dPhi;
         }
 
         //multiplying by crysSize to make the values compariable to normal covariances
         if (denominator != 0.0) {
             covEtaEta =  crysSize*crysSize* numeratorEtaEta / denominator;
             covEtaPhi =  crysSize*crysSize* numeratorEtaPhi / denominator;
             covPhiPhi =  crysSize*crysSize* numeratorPhiPhi / denominator;
         } else {
             covEtaEta = 999.9;
             covEtaPhi = 999.9;
             covPhiPhi = 999.9;
         }
 
     } else {
         // Warn the user if there was no energy in the cells and return zeroes.
         // std::cout << "\ClusterShapeAlgo::Calculate_Covariances:  no energy in supplied cells.\n";
         covEtaEta = 0;
         covEtaPhi = 0;
         covPhiPhi = 0;
     }
 
     std::vector<float> v;
     v.push_back( covEtaEta );
     v.push_back( covEtaPhi );
     v.push_back( covPhiPhi );
 
     return v;
 }

double EcalClusterTools::zernike20	(	const reco::BasicCluster &	cluster,
		const EcalRecHitCollection *	recHits,
		const CaloGeometry *	geometry,
		double	R0 = `6.6`,
		bool	logW = `true`,
		float	w0 = `4.7`
	)

static

Definition at line 692 of file EcalClusterTools.cc.

References absZernikeMoment().

Referenced by EcalClusterLazyTools::zernike20().

 {
     return absZernikeMoment( cluster, recHits, geometry, 2, 0, R0, logW, w0 );
 }

double EcalClusterTools::zernike42	(	const reco::BasicCluster &	cluster,
		const EcalRecHitCollection *	recHits,
		const CaloGeometry *	geometry,
		double	R0 = `6.6`,
		bool	logW = `true`,
		float	w0 = `4.7`
	)

static

Definition at line 699 of file EcalClusterTools.cc.

References absZernikeMoment().

Referenced by EcalClusterLazyTools::zernike42().

 {
     return absZernikeMoment( cluster, recHits, geometry, 4, 2, R0, logW, w0 );
 }

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