SimG4HcalHitCluster Class Reference

#include <SimG4HcalHitCluster.h>

Public Member Functions
double	collectEcalEnergyR ()
double	e () const
double	eta () const
std::vector< CaloHit > *	getHits ()
SimG4HcalHitCluster &	operator+= (const CaloHit &hit)
bool	operator< (const SimG4HcalHitCluster &cluster) const
double	phi () const
	SimG4HcalHitCluster ()
virtual	~SimG4HcalHitCluster ()

Private Member Functions
double	my_cosh (float eta)
double	my_sinh (float eta)

Private Attributes
double	ec
double	etac
std::vector< CaloHit >	hitsc
double	phic

Detailed Description

Definition at line 12 of file SimG4HcalHitCluster.h.

Constructor & Destructor Documentation

SimG4HcalHitCluster::SimG4HcalHitCluster

(

)

Definition at line 9 of file SimG4HcalHitCluster.cc.

: ec(0), etac(0), phic(0) {}

SimG4HcalHitCluster::~SimG4HcalHitCluster ( )

virtual

Definition at line 11 of file SimG4HcalHitCluster.cc.

{}

Member Function Documentation

double SimG4HcalHitCluster::collectEcalEnergyR

(

)

Definition at line 56 of file SimG4HcalHitCluster.cc.

References hitsc.

Referenced by getHits().

                                               {
  double sum = 0.;
  std::vector<CaloHit>::iterator itr;

  for (itr = hitsc.begin(); itr < hitsc.end(); itr++) {
    if (itr->det() == 10 || itr->det() == 11 || itr->det() == 12) {
      sum += itr->e();
    }
  }
  return sum;
}

double SimG4HcalHitCluster::e ( ) const

inline

Definition at line 17 of file SimG4HcalHitCluster.h.

References ec.

Referenced by operator<(), and operator<<().

{ return ec; }

double SimG4HcalHitCluster::eta ( void  ) const

inline

Definition at line 18 of file SimG4HcalHitCluster.h.

References etac.

Referenced by Particle.Particle::__str__(), Jet.Jet::jetID(), operator<(), operator<<(), Jet.Jet::puJetId(), and SimG4HcalHitJetFinder::rDist().

{ return etac; }

std::vector<CaloHit>* SimG4HcalHitCluster::getHits ( )

inline

Definition at line 20 of file SimG4HcalHitCluster.h.

References collectEcalEnergyR(), hitsc, operator+=(), and operator<().

{ return &hitsc; }

double SimG4HcalHitCluster::my_cosh ( float  eta )

inlineprivate

Definition at line 28 of file SimG4HcalHitCluster.h.

References JetChargeProducer_cfi::exp.

Referenced by operator+=().

{ return 0.5 * (exp(eta) + exp(-eta)); }

double SimG4HcalHitCluster::my_sinh ( float  eta )

inlineprivate

Definition at line 29 of file SimG4HcalHitCluster.h.

References JetChargeProducer_cfi::exp.

Referenced by operator+=().

{ return 0.5 * (exp(eta) - exp(-eta)); }

SimG4HcalHitCluster & SimG4HcalHitCluster::operator+=

(

const CaloHit &

hit

)

Definition at line 17 of file SimG4HcalHitCluster.cc.

References funct::cos(), CaloHit::e(), ec, stringResolutionProvider_cfi::et, CaloHit::eta(), etac, hitsc, cmsBatch::log, my_cosh(), my_sinh(), CaloHit::phi(), phic, funct::sin(), funct::tan(), and theta().

Referenced by getHits().

                                                                       {
  hitsc.push_back(hit);

  if (ec == 0. && etac == 0. && phic == 0.) {
    ec = hit.e();
    etac = hit.eta();
    phic = hit.phi();
  } else {
    // cluster px,py,pz
    double et = ec / my_cosh(etac);
    double px = et * cos(phic);
    double py = et * sin(phic);
    double pz = et * my_sinh(etac);

    CLHEP::HepLorentzVector clusHLV(px, py, pz, ec);

    // hit px,py,pz
    double eh = hit.e();
    double etah = hit.eta();
    double phih = hit.phi();
    et = eh / my_cosh(etah);
    px = et * cos(phih);
    py = et * sin(phih);
    pz = et * my_sinh(etah);

    CLHEP::HepLorentzVector hitHLV(px, py, pz, eh);

    // clus + hit
    clusHLV += hitHLV;

    double theta = clusHLV.theta();
    etac = -log(tan(theta / 2.));
    phic = clusHLV.phi();
    ec = clusHLV.t();
  }

  return *this;
}

bool SimG4HcalHitCluster::operator<

(

const SimG4HcalHitCluster &

cluster

)

const

Definition at line 13 of file SimG4HcalHitCluster.cc.

References e(), ec, eta(), and etac.

Referenced by getHits().

                                                                            {
  return (ec / cosh(etac) < cluster.e() / cosh(cluster.eta())) ? false : true;
}

double SimG4HcalHitCluster::phi ( void  ) const

inline

Definition at line 19 of file SimG4HcalHitCluster.h.

References phic.

Referenced by Particle.Particle::__str__(), operator<<(), ntupleDataFormat.Track::phiPull(), and SimG4HcalHitJetFinder::rDist().

{ return phic; }

Member Data Documentation

double SimG4HcalHitCluster::ec

private

Definition at line 31 of file SimG4HcalHitCluster.h.

Referenced by e(), operator+=(), and operator<().

double SimG4HcalHitCluster::etac

private

Definition at line 31 of file SimG4HcalHitCluster.h.

Referenced by eta(), operator+=(), and operator<().

std::vector<CaloHit> SimG4HcalHitCluster::hitsc

private

Definition at line 32 of file SimG4HcalHitCluster.h.

Referenced by collectEcalEnergyR(), getHits(), and operator+=().

double SimG4HcalHitCluster::phic

private

Definition at line 31 of file SimG4HcalHitCluster.h.

Referenced by operator+=(), and phi().