#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, edm::ConsumesCollector &&iC)

std::vector< bool >	pixelHitPattern (const TrackingParticleRef &simTrack, const TrackerTopology *tTopo)

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 19 of file HitPixelLayersTPSelector.h.

Member Typedef Documentation

typedef TrackingParticleCollection HitPixelLayersTPSelector::collection

Definition at line 24 of file HitPixelLayersTPSelector.h.

typedef container::const_iterator HitPixelLayersTPSelector::const_iterator

Definition at line 31 of file HitPixelLayersTPSelector.h.

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

Definition at line 28 of file HitPixelLayersTPSelector.h.

Constructor & Destructor Documentation

HitPixelLayersTPSelector::HitPixelLayersTPSelector	(	const edm::ParameterSet &	iConfig,
		edm::ConsumesCollector &&	iC
	)

inline

Definition at line 34 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 117 of file HitPixelLayersTPSelector.h.

References selected_.

     {
       return selected_.begin();
     }

const_iterator HitPixelLayersTPSelector::end ( void ) const

inline

Definition at line 123 of file HitPixelLayersTPSelector.h.

References selected_.

     {
       return selected_.end();
     }

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

inline

Definition at line 106 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,
		const TrackerTopology *	tTopo
	)

inline

Definition at line 97 of file HitPixelLayersTPSelector.h.

Referenced by select().

       {
     std::vector<bool> hitpattern(5,false); // PXB 0,1,2  PXF 0,1
     // This currently will always return false, since we can no loger use the sim hits to check for triplets.  This would need to be fixed if we want to enable this feature, but it's not being used at the moment, since tripletSeedOnly is always set to False  - Matt Nguyen, 24/7/2013
 
     return hitpattern;
       }

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

inline

Definition at line 51 of file HitPixelLayersTPSelector.h.

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

     {
       selected_.clear();
       //Retrieve tracker topology from geometry
       edm::ESHandle<TrackerTopology> tTopoHand;
       iSetup.get<IdealGeometryRecord>().get(tTopoHand);
       const TrackerTopology *tTopo=tTopoHand.product();
 
 
       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->numberOfTrackerLayers() >= 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,tTopo)) ) continue; //findable triplet seed
           const TrackingParticle * trap = &(tpc[i]);
           selected_.push_back(trap);
         }
 
     }
     }

size_t HitPixelLayersTPSelector::size ( void ) const

inline

Definition at line 129 of file HitPixelLayersTPSelector.h.

References selected_.

     {
       return selected_.size();
     }

Member Data Documentation

bool HitPixelLayersTPSelector::chargedOnly_

Definition at line 145 of file HitPixelLayersTPSelector.h.

Referenced by select().

double HitPixelLayersTPSelector::lip_

Definition at line 142 of file HitPixelLayersTPSelector.h.

Referenced by select().

double HitPixelLayersTPSelector::maxRapidity_

Definition at line 140 of file HitPixelLayersTPSelector.h.

Referenced by select().

int HitPixelLayersTPSelector::minHit_

Definition at line 143 of file HitPixelLayersTPSelector.h.

Referenced by select().

double HitPixelLayersTPSelector::minRapidity_

Definition at line 139 of file HitPixelLayersTPSelector.h.

Referenced by select().

std::vector<int> HitPixelLayersTPSelector::pdgId_

Definition at line 148 of file HitPixelLayersTPSelector.h.

Referenced by select().

bool HitPixelLayersTPSelector::primaryOnly_

Definition at line 146 of file HitPixelLayersTPSelector.h.

Referenced by select().

double HitPixelLayersTPSelector::ptMin_

Definition at line 138 of file HitPixelLayersTPSelector.h.

Referenced by select().

container HitPixelLayersTPSelector::selected_

Definition at line 136 of file HitPixelLayersTPSelector.h.

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

bool HitPixelLayersTPSelector::signalOnly_

Definition at line 144 of file HitPixelLayersTPSelector.h.

Referenced by select().

double HitPixelLayersTPSelector::tip_

Definition at line 141 of file HitPixelLayersTPSelector.h.

Referenced by select().

bool HitPixelLayersTPSelector::tpStatusBased_

Definition at line 147 of file HitPixelLayersTPSelector.h.

Referenced by select().

bool HitPixelLayersTPSelector::tripletSeedOnly_

Definition at line 137 of file HitPixelLayersTPSelector.h.

Referenced by select().

Public Types

Public Member Functions

Public Attributes

Detailed Description

Member Typedef Documentation

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation