TrackingParticleSelector Class Reference

#include <TrackingParticleSelector.h>

Public Member Functions
bool	operator() (const TrackingParticle &tp) const
	Operator() performs the selection: e.g. if (tPSelector(tp)) {...}. More...
	TrackingParticleSelector ()
	TrackingParticleSelector (double ptMin, double minRapidity, double maxRapidity, double tip, double lip, int minHit, bool signalOnly, bool chargedOnly, bool stableOnly, const std::vector< int > &pdgId=std::vector< int >())

Private Attributes
bool	chargedOnly_
double	lip_
float	maxRapidity_
int	minHit_
float	minRapidity_
std::vector< int >	pdgId_
double	ptMin2_
bool	signalOnly_
bool	stableOnly_
double	tip2_

Detailed Description

Definition at line 15 of file TrackingParticleSelector.h.

Constructor & Destructor Documentation

TrackingParticleSelector::TrackingParticleSelector ( )

inline

Definition at line 18 of file TrackingParticleSelector.h.

{}

TrackingParticleSelector::TrackingParticleSelector ( double  ptMin, double  minRapidity, double  maxRapidity, double  tip, double  lip, int  minHit, bool  signalOnly, bool  chargedOnly, bool  stableOnly, const std::vector< int > &  pdgId = std::vector<int>()  )

inline

Definition at line 19 of file TrackingParticleSelector.h.

                                                                 :
    ptMin2_( ptMin*ptMin ), minRapidity_( minRapidity ), maxRapidity_( maxRapidity ),
    tip2_( tip*tip ), lip_( lip ), minHit_( minHit ), signalOnly_(signalOnly), chargedOnly_(chargedOnly), stableOnly_(stableOnly), pdgId_( pdgId ) { }

Member Function Documentation

bool TrackingParticleSelector::operator() ( const TrackingParticle &  tp ) const

inline

Operator() performs the selection: e.g. if (tPSelector(tp)) {...}.

Definition at line 26 of file TrackingParticleSelector.h.

References funct::abs(), EncodedEventId::bunchCrossing(), TrackingParticle::charge(), chargedOnly_, eta, EncodedEventId::event(), TrackingParticle::eventId(), TrackingParticle::genParticle_begin(), TrackingParticle::genParticle_end(), j, lip_, maxRapidity_, minHit_, minRapidity_, TrackingParticle::numberOfTrackerLayers(), AlCaHLTBitMon_ParallelJobs::p, TrackingParticle::p4(), TrackingParticle::pdgId(), pdgId_, ptMin2_, signalOnly_, stableOnly_, TrackingParticle::status(), tip2_, and TrackingParticle::vertex().

                                                       {
    // signal only means no PU particles
    if (signalOnly_ && !(tp.eventId().bunchCrossing()== 0 && tp.eventId().event() == 0)) return false;

    auto pdgid = tp.pdgId();
    if(!pdgId_.empty()) {
      bool testId = false;
      for(auto id: pdgId_) {
        if(id == pdgid) { testId = true; break;}
      }
      if(!testId) return false;
    }

    if (chargedOnly_ && tp.charge()==0) return false;//select only if charge!=0

    // select only stable particles
    if (stableOnly_) {
      for( TrackingParticle::genp_iterator j = tp.genParticle_begin(); j != tp.genParticle_end(); ++ j ) {
        if (j->get()==0 || j->get()->status() != 1) {
          return false;
        }
      }
      // test for remaining unstabled due to lack of genparticle pointer
      if( tp.status() == -99 &&
          (std::abs(pdgid) != 11 && std::abs(pdgid) != 13 && std::abs(pdgid) != 211 &&
           std::abs(pdgid) != 321 && std::abs(pdgid) != 2212 && std::abs(pdgid) != 3112 &&
           std::abs(pdgid) != 3222 && std::abs(pdgid) != 3312 && std::abs(pdgid) != 3334))
        return false;
    }

    auto etaOk = [&](const TrackingParticle& p)->bool{ float eta= etaFromXYZ(p.px(),p.py(),p.pz()); return (eta>= minRapidity_) & (eta<=maxRapidity_);};
    return (
        tp.numberOfTrackerLayers() >= minHit_ &&
        tp.p4().perp2() >= ptMin2_ &&
            etaOk(tp) &&
            std::abs(tp.vertex().z()) <= lip_ &&   // vertex last to avoid to load it if not striclty necessary...
        tp.vertex().perp2() <= tip2_
        );
  }

Member Data Documentation

bool TrackingParticleSelector::chargedOnly_

private

Definition at line 74 of file TrackingParticleSelector.h.

Referenced by operator()().

double TrackingParticleSelector::lip_

private

Definition at line 71 of file TrackingParticleSelector.h.

Referenced by operator()().

float TrackingParticleSelector::maxRapidity_

private

Definition at line 69 of file TrackingParticleSelector.h.

Referenced by operator()().

int TrackingParticleSelector::minHit_

private

Definition at line 72 of file TrackingParticleSelector.h.

Referenced by operator()().

float TrackingParticleSelector::minRapidity_

private

Definition at line 68 of file TrackingParticleSelector.h.

Referenced by operator()().

std::vector<int> TrackingParticleSelector::pdgId_

private

Definition at line 76 of file TrackingParticleSelector.h.

Referenced by operator()().

double TrackingParticleSelector::ptMin2_

private

Definition at line 67 of file TrackingParticleSelector.h.

Referenced by operator()().

bool TrackingParticleSelector::signalOnly_

private

Definition at line 73 of file TrackingParticleSelector.h.

Referenced by operator()().

bool TrackingParticleSelector::stableOnly_

private

Definition at line 75 of file TrackingParticleSelector.h.

Referenced by operator()().

double TrackingParticleSelector::tip2_

private

Definition at line 70 of file TrackingParticleSelector.h.

Referenced by operator()().