HitPixelLayersTPSelector Class Reference

#include <HitPixelLayersTPSelector.h>

Public Types
typedef TrackingParticleCollection	collection
typedef container::const_iterator	const_iterator
typedef std::vector< const TrackingParticle * >	container

Public Member Functions
const_iterator	begin () const
const_iterator	end () const
bool	goodHitPattern (const std::vector< bool > hitpattern)
	HitPixelLayersTPSelector (const edm::ParameterSet &iConfig)
std::vector< bool >	pixelHitPattern (const TrackingParticleRef &simTrack)
void	select (const edm::Handle< collection > &TPCH, const edm::Event &iEvent, const edm::EventSetup &iSetup)
size_t	size () const

Public Attributes
bool	chargedOnly_
double	lip_
double	maxRapidity_
int	minHit_
double	minRapidity_
std::vector< int >	pdgId_
bool	primaryOnly_
double	ptMin_
container	selected_
bool	signalOnly_
double	tip_
bool	tpStatusBased_
bool	tripletSeedOnly_

Detailed Description

Selector to select only tracking particles that leave hits in three pixel layers Additional selection done on pt, rapidity, impact parameter, min hits, pdg id, etc.

Inspired by CommonTools.RecoAlgos.TrackingParticleSelector.h

Definition at line 17 of file HitPixelLayersTPSelector.h.

Member Typedef Documentation

typedef TrackingParticleCollection HitPixelLayersTPSelector::collection

Definition at line 22 of file HitPixelLayersTPSelector.h.

typedef container::const_iterator HitPixelLayersTPSelector::const_iterator

Definition at line 29 of file HitPixelLayersTPSelector.h.

typedef std::vector<const TrackingParticle*> HitPixelLayersTPSelector::container

Definition at line 26 of file HitPixelLayersTPSelector.h.

Constructor & Destructor Documentation

HitPixelLayersTPSelector::HitPixelLayersTPSelector ( const edm::ParameterSet &  iConfig )

inline

Definition at line 32 of file HitPixelLayersTPSelector.h.

                                                            : 
    tripletSeedOnly_(iConfig.getParameter<bool>("tripletSeedOnly")),
    ptMin_(iConfig.getParameter<double>("ptMin")), 
    minRapidity_(iConfig.getParameter<double>("minRapidity")), 
    maxRapidity_(iConfig.getParameter<double>("maxRapidity")),
    tip_(iConfig.getParameter<double>("tip")), 
    lip_(iConfig.getParameter<double>("lip")), 
    minHit_(iConfig.getParameter<int>("minHit")), 
    signalOnly_(iConfig.getParameter<bool>("signalOnly")), 
    chargedOnly_(iConfig.getParameter<bool>("chargedOnly")), 
    primaryOnly_(iConfig.getParameter<bool>("primaryOnly")),
    tpStatusBased_(iConfig.getParameter<bool>("tpStatusBased")),
    pdgId_(iConfig.getParameter< std::vector<int> >("pdgId"))                  
      {};

Member Function Documentation

const_iterator HitPixelLayersTPSelector::begin ( void  ) const

inline

Definition at line 125 of file HitPixelLayersTPSelector.h.

References selected_.

    {
      return selected_.begin();
    }

const_iterator HitPixelLayersTPSelector::end ( void  ) const

inline

Definition at line 131 of file HitPixelLayersTPSelector.h.

References selected_.

    {
      return selected_.end();
    }

bool HitPixelLayersTPSelector::goodHitPattern ( const std::vector< bool >  hitpattern )

inline

Definition at line 114 of file HitPixelLayersTPSelector.h.

Referenced by select().

    {
      if( (hitpattern[0] && hitpattern[1] && hitpattern[2]) ||
      (hitpattern[0] && hitpattern[1] && hitpattern[3]) ||
      (hitpattern[0] && hitpattern[3] && hitpattern[4]) ) 
    return true;
      else 
    return false;
    }

std::vector<bool> HitPixelLayersTPSelector::pixelHitPattern ( const TrackingParticleRef &  simTrack )

inline

Definition at line 91 of file HitPixelLayersTPSelector.h.

References cond::rpcobgas::detid, PXFDetId::disk(), PXBDetId::layer(), PixelSubdetector::PixelBarrel, PixelSubdetector::PixelEndcap, and DetId::Tracker.

Referenced by select().

      {
    std::vector<bool> hitpattern(5,false); // PXB 0,1,2  PXF 0,1
    
    for(std::vector<PSimHit>::const_iterator simHit = simTrack->pSimHit_begin();simHit!= simTrack->pSimHit_end();simHit++){
      
      DetId id = DetId(simHit->detUnitId());
      uint32_t detid = id.det();
      uint32_t subdet = id.subdetId();
      
      if (detid == DetId::Tracker) {
        if (subdet == PixelSubdetector::PixelBarrel) 
          hitpattern[PXBDetId(id).layer()-1]=true;
        else if (subdet == PixelSubdetector::PixelEndcap) 
          hitpattern[PXFDetId(id).disk()+2]=true;
      }
      
    }// end simhit loop
    
    return hitpattern;
      }

void HitPixelLayersTPSelector::select ( const edm::Handle< collection > &  TPCH, const edm::Event &  iEvent, const edm::EventSetup &  iSetup  )

inline

Definition at line 49 of file HitPixelLayersTPSelector.h.

References chargedOnly_, goodHitPattern(), i, lip_, maxRapidity_, minHit_, minRapidity_, pdgId_, pixelHitPattern(), primaryOnly_, edm::Handle< T >::product(), ptMin_, selected_, signalOnly_, mathSSE::sqrt(), tip_, tpStatusBased_, and tripletSeedOnly_.

    {
      selected_.clear();
      

      const collection & tpc = *(TPCH.product());
      
      for (TrackingParticleCollection::size_type i=0; i<tpc.size(); i++)
    {
      TrackingParticleRef tpr(TPCH, i);
      
      // quickly reject if it is from pile-up
      if (signalOnly_ && !(tpr->eventId().bunchCrossing()==0 && tpr->eventId().event()==0) ) continue;
      if (chargedOnly_ && tpr->charge()==0) continue; //select only if charge!=0
      if (tpStatusBased_ && primaryOnly_ && tpr->status()!=1 ) continue; // TP status based sel primary
      if ((!tpStatusBased_) && primaryOnly_ && tpr->parentVertex()->nSourceTracks()!=0 ) continue; // vertex based sel for primary

      // loop over specified PID values 
      bool testId = false;
      unsigned int idSize = pdgId_.size();
      if (idSize==0) testId = true;
      else for (unsigned int it=0;it!=idSize;++it){
        if (tpr->pdgId()==pdgId_[it]) testId = true;
      }
      
      // selection criteria
      if ( tpr->matchedHit() >= minHit_ &&   
           sqrt(tpr->momentum().perp2()) >= ptMin_ && 
           tpr->momentum().eta() >= minRapidity_ && tpr->momentum().eta() <= maxRapidity_ && 
           sqrt(tpr->vertex().perp2()) <= tip_ &&
           fabs(tpr->vertex().z()) <= lip_ &&
           testId)
        {
          if (tripletSeedOnly_ && !goodHitPattern(pixelHitPattern(tpr)) ) continue; //findable triplet seed
          const TrackingParticle * trap = &(tpc[i]);
          selected_.push_back(trap);
        } 
      
    }
    }

size_t HitPixelLayersTPSelector::size ( void  ) const

inline

Definition at line 137 of file HitPixelLayersTPSelector.h.

References selected_.

    {
      return selected_.size();
    }

Member Data Documentation

bool HitPixelLayersTPSelector::chargedOnly_

Definition at line 153 of file HitPixelLayersTPSelector.h.

Referenced by select().

double HitPixelLayersTPSelector::lip_

Definition at line 150 of file HitPixelLayersTPSelector.h.

Referenced by select().

double HitPixelLayersTPSelector::maxRapidity_

Definition at line 148 of file HitPixelLayersTPSelector.h.

Referenced by select().

int HitPixelLayersTPSelector::minHit_

Definition at line 151 of file HitPixelLayersTPSelector.h.

Referenced by select().

double HitPixelLayersTPSelector::minRapidity_

Definition at line 147 of file HitPixelLayersTPSelector.h.

Referenced by select().

std::vector<int> HitPixelLayersTPSelector::pdgId_

Definition at line 156 of file HitPixelLayersTPSelector.h.

Referenced by select().

bool HitPixelLayersTPSelector::primaryOnly_

Definition at line 154 of file HitPixelLayersTPSelector.h.

Referenced by select().

double HitPixelLayersTPSelector::ptMin_

Definition at line 146 of file HitPixelLayersTPSelector.h.

Referenced by select().

container HitPixelLayersTPSelector::selected_

Definition at line 144 of file HitPixelLayersTPSelector.h.

Referenced by begin(), end(), select(), and size().

bool HitPixelLayersTPSelector::signalOnly_

Definition at line 152 of file HitPixelLayersTPSelector.h.

Referenced by select().

double HitPixelLayersTPSelector::tip_

Definition at line 149 of file HitPixelLayersTPSelector.h.

Referenced by select().

bool HitPixelLayersTPSelector::tpStatusBased_

Definition at line 155 of file HitPixelLayersTPSelector.h.

Referenced by select().

bool HitPixelLayersTPSelector::tripletSeedOnly_

Definition at line 145 of file HitPixelLayersTPSelector.h.

Referenced by select().