CMS 3D CMS Logo

 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Properties Friends Macros Pages
List of all members | Public Types | Public Member Functions | Public Attributes
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, 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

Definition at line 24 of file HitPixelLayersTPSelector.h.

typedef container::const_iterator HitPixelLayersTPSelector::const_iterator

Definition at line 31 of file HitPixelLayersTPSelector.h.

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.

34  :
35  tripletSeedOnly_(iConfig.getParameter<bool>("tripletSeedOnly")),
36  ptMin_(iConfig.getParameter<double>("ptMin")),
37  minRapidity_(iConfig.getParameter<double>("minRapidity")),
38  maxRapidity_(iConfig.getParameter<double>("maxRapidity")),
39  tip_(iConfig.getParameter<double>("tip")),
40  lip_(iConfig.getParameter<double>("lip")),
41  minHit_(iConfig.getParameter<int>("minHit")),
42  signalOnly_(iConfig.getParameter<bool>("signalOnly")),
43  chargedOnly_(iConfig.getParameter<bool>("chargedOnly")),
44  primaryOnly_(iConfig.getParameter<bool>("primaryOnly")),
45  tpStatusBased_(iConfig.getParameter<bool>("tpStatusBased")),
46  pdgId_(iConfig.getParameter< std::vector<int> >("pdgId"))
47  {};
T getParameter(std::string const &) const

Member Function Documentation

const_iterator HitPixelLayersTPSelector::begin ( void  ) const
inline

Definition at line 117 of file HitPixelLayersTPSelector.h.

References selected_.

118  {
119  return selected_.begin();
120  }
const_iterator HitPixelLayersTPSelector::end ( void  ) const
inline

Definition at line 123 of file HitPixelLayersTPSelector.h.

References selected_.

124  {
125  return selected_.end();
126  }
bool HitPixelLayersTPSelector::goodHitPattern ( const std::vector< bool > &  hitpattern)
inline

Definition at line 106 of file HitPixelLayersTPSelector.h.

Referenced by select().

107  {
108  if( (hitpattern[0] && hitpattern[1] && hitpattern[2]) ||
109  (hitpattern[0] && hitpattern[1] && hitpattern[3]) ||
110  (hitpattern[0] && hitpattern[3] && hitpattern[4]) )
111  return true;
112  else
113  return false;
114  }
std::vector<bool> HitPixelLayersTPSelector::pixelHitPattern ( const TrackingParticleRef simTrack,
const TrackerTopology tTopo 
)
inline

Definition at line 97 of file HitPixelLayersTPSelector.h.

Referenced by select().

98  {
99  std::vector<bool> hitpattern(5,false); // PXB 0,1,2 PXF 0,1
100  // 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
101 
102  return hitpattern;
103  }
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_.

52  {
53  selected_.clear();
54  //Retrieve tracker topology from geometry
56  iSetup.get<TrackerTopologyRcd>().get(tTopoHand);
57  const TrackerTopology *tTopo=tTopoHand.product();
58 
59 
60  const collection & tpc = *(TPCH.product());
61 
62  for (TrackingParticleCollection::size_type i=0; i<tpc.size(); i++)
63  {
64  TrackingParticleRef tpr(TPCH, i);
65 
66  // quickly reject if it is from pile-up
67  if (signalOnly_ && !(tpr->eventId().bunchCrossing()==0 && tpr->eventId().event()==0) ) continue;
68  if (chargedOnly_ && tpr->charge()==0) continue; //select only if charge!=0
69  if (tpStatusBased_ && primaryOnly_ && tpr->status()!=1 ) continue; // TP status based sel primary
70  if ((!tpStatusBased_) && primaryOnly_ && tpr->parentVertex()->nSourceTracks()!=0 ) continue; // vertex based sel for primary
71 
72  // loop over specified PID values
73  bool testId = false;
74  unsigned int idSize = pdgId_.size();
75  if (idSize==0) testId = true;
76  else for (unsigned int it=0;it!=idSize;++it){
77  if (tpr->pdgId()==pdgId_[it]) testId = true;
78  }
79 
80  // selection criteria
81  if ( tpr->numberOfTrackerLayers() >= minHit_ &&
82  sqrt(tpr->momentum().perp2()) >= ptMin_ &&
83  tpr->momentum().eta() >= minRapidity_ && tpr->momentum().eta() <= maxRapidity_ &&
84  sqrt(tpr->vertex().perp2()) <= tip_ &&
85  fabs(tpr->vertex().z()) <= lip_ &&
86  testId)
87  {
88  if (tripletSeedOnly_ && !goodHitPattern(pixelHitPattern(tpr,tTopo)) ) continue; //findable triplet seed
89  const TrackingParticle * trap = &(tpc[i]);
90  selected_.push_back(trap);
91  }
92 
93  }
94  }
int i
Definition: DBlmapReader.cc:9
std::vector< bool > pixelHitPattern(const TrackingParticleRef &simTrack, const TrackerTopology *tTopo)
uint16_t size_type
TrackingParticleCollection collection
T sqrt(T t)
Definition: SSEVec.h:48
T const * product() const
Definition: Handle.h:81
const T & get() const
Definition: EventSetup.h:56
T const * product() const
Definition: ESHandle.h:86
bool goodHitPattern(const std::vector< bool > &hitpattern)
Monte Carlo truth information used for tracking validation.
size_t HitPixelLayersTPSelector::size ( void  ) const
inline

Definition at line 129 of file HitPixelLayersTPSelector.h.

References selected_.

130  {
131  return selected_.size();
132  }

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().