HistoryBase Class Reference

Base class to all the history types. More...

#include <HistoryBase.h>

Inheritance diagram for HistoryBase:

Public Types
typedef std::vector< const HepMC::GenParticle * >	GenParticleTrail
	HepMC::GenParticle trail type. More...
typedef std::vector< const HepMC::GenVertex * >	GenVertexTrail
	GenVertex trail type. More...
typedef std::set< const HepMC::GenVertex * >	GenVertexTrailHelper
	GenVertex trail helper type. More...
typedef std::vector< const reco::GenParticle * >	RecoGenParticleTrail
	reco::GenParticle trail type. More...
typedef std::set< const reco::GenParticle * >	RecoGenParticleTrailHelper
	reco::GenParticle trail helper type. More...
typedef std::vector< TrackingParticleRef >	SimParticleTrail
	SimParticle trail type. More...
typedef std::vector< TrackingVertexRef >	SimVertexTrail
	SimVertex trail type. More...

Public Member Functions
void	depth (int d)
	Set the depth of the history. More...
bool	evaluate (TrackingParticleRef tpr)
	Evaluate track history using a TrackingParticleRef. More...
bool	evaluate (TrackingVertexRef tvr)
	Evaluate track history using a TrackingParticleRef. More...
const HepMC::GenParticle *	genParticle () const
GenParticleTrail const &	genParticleTrail () const
	Return all generated particle (HepMC::GenParticle) in the history. More...
GenVertexTrail const &	genVertexTrail () const
	Return all generated vertex in the history. More...
	HistoryBase ()
const reco::GenParticle *	recoGenParticle () const
RecoGenParticleTrail const &	recoGenParticleTrail () const
	Return all reco::GenParticle in the history. More...
const TrackingParticleRef &	simParticle () const
	Return the initial tracking particle from the history. More...
SimParticleTrail const &	simParticleTrail () const
	Return all the simulated particle in the history. More...
const TrackingVertexRef &	simVertex () const
	Return the initial tracking vertex from the history. More...
SimVertexTrail const &	simVertexTrail () const
	Return all the simulated vertices in the history. More...

Protected Attributes
GenParticleTrail	genParticleTrail_
GenVertexTrail	genVertexTrail_
GenVertexTrailHelper	genVertexTrailHelper_
RecoGenParticleTrail	recoGenParticleTrail_
RecoGenParticleTrailHelper	recoGenParticleTrailHelper_
SimParticleTrail	simParticleTrail_
SimVertexTrail	simVertexTrail_

Private Member Functions
void	resetTrails ()
	Reset trail functions. More...
void	resetTrails (TrackingParticleRef tpr)
void	traceGenHistory (HepMC::GenParticle const *)
void	traceGenHistory (HepMC::GenVertex const *)
	Trace all the simulated information for a given pointer to a GenVertex. More...
void	traceRecoGenHistory (reco::GenParticle const *)
bool	traceSimHistory (TrackingParticleRef const &, int)
bool	traceSimHistory (TrackingVertexRef const &, int)

Private Attributes
int	depth_

Detailed Description

Base class to all the history types.

Definition at line 12 of file HistoryBase.h.

Member Typedef Documentation

GenParticleTrail

typedef std::vector<const HepMC::GenParticle *> HistoryBase::GenParticleTrail

HepMC::GenParticle trail type.

Definition at line 15 of file HistoryBase.h.

GenVertexTrail

typedef std::vector<const HepMC::GenVertex *> HistoryBase::GenVertexTrail

GenVertex trail type.

Definition at line 24 of file HistoryBase.h.

GenVertexTrailHelper

typedef std::set<const HepMC::GenVertex *> HistoryBase::GenVertexTrailHelper

GenVertex trail helper type.

Definition at line 27 of file HistoryBase.h.

RecoGenParticleTrail

typedef std::vector<const reco::GenParticle *> HistoryBase::RecoGenParticleTrail

reco::GenParticle trail type.

Definition at line 18 of file HistoryBase.h.

RecoGenParticleTrailHelper

typedef std::set<const reco::GenParticle *> HistoryBase::RecoGenParticleTrailHelper

reco::GenParticle trail helper type.

Definition at line 21 of file HistoryBase.h.

SimParticleTrail

typedef std::vector<TrackingParticleRef> HistoryBase::SimParticleTrail

SimParticle trail type.

Definition at line 30 of file HistoryBase.h.

SimVertexTrail

typedef std::vector<TrackingVertexRef> HistoryBase::SimVertexTrail

SimVertex trail type.

Definition at line 33 of file HistoryBase.h.

Constructor & Destructor Documentation

HistoryBase()

HistoryBase::HistoryBase ( )

inline

Definition at line 36 of file HistoryBase.h.

References depth_.

                {
    // Default depth
    depth_ = -1;
  }

Member Function Documentation

depth()

void HistoryBase::depth ( int  d )

inline

Set the depth of the history.

Definition at line 49 of file HistoryBase.h.

References ztail::d, and depth_.

Referenced by traceSimHistory(), TrackClassifier::TrackClassifier(), TrackingNtuple::TrackingNtuple(), TrackingParticleBHadronRefSelector::TrackingParticleBHadronRefSelector(), and VertexClassifier::VertexClassifier().

{ depth_ = d; }

evaluate() [1/2]

bool HistoryBase::evaluate ( TrackingParticleRef  tpr )

inline

Evaluate track history using a TrackingParticleRef.

Definition at line 96 of file HistoryBase.h.

References depth_, resetTrails(), and traceSimHistory().

Referenced by TrackHistory::evaluate(), VertexHistory::evaluate(), TrackingNtuple::fillTrackingParticles(), and TrackingParticleBHadronRefSelector::produce().

                                         {
    resetTrails(tpr);
    return traceSimHistory(tpr, depth_);
  }

evaluate() [2/2]

bool HistoryBase::evaluate ( TrackingVertexRef  tvr )

inline

Evaluate track history using a TrackingParticleRef.

Definition at line 109 of file HistoryBase.h.

References depth_, resetTrails(), and traceSimHistory().

                                       {
    resetTrails();
    return traceSimHistory(tvr, depth_);
  }

genParticle()

const HepMC::GenParticle* HistoryBase::genParticle ( ) const

inline

Returns a pointer to most primitive status 1 or 2 particle in the genParticleTrail_.

Definition at line 74 of file HistoryBase.h.

References genParticleTrail_.

Referenced by GenTrackMatcher::produce(), traceGenHistory(), and traceRecoGenHistory().

                                              {
    if (genParticleTrail_.empty())
      return nullptr;
    return genParticleTrail_[genParticleTrail_.size() - 1];
  }

genParticleTrail()

GenParticleTrail const& HistoryBase::genParticleTrail ( ) const

inline

Return all generated particle (HepMC::GenParticle) in the history.

Definition at line 61 of file HistoryBase.h.

References genParticleTrail_.

Referenced by TrackHistoryAnalyzer::analyze(), VertexHistoryAnalyzer::analyze(), and TrackClassifier::vertexInformation().

{ return genParticleTrail_; }

genVertexTrail()

GenVertexTrail const& HistoryBase::genVertexTrail ( ) const

inline

Return all generated vertex in the history.

Definition at line 58 of file HistoryBase.h.

References genVertexTrail_.

Referenced by TrackHistoryAnalyzer::analyze(), VertexHistoryAnalyzer::analyze(), VertexClassifier::processesAtGenerator(), and VertexClassifier::vertexInformation().

{ return genVertexTrail_; }

recoGenParticle()

const reco::GenParticle* HistoryBase::recoGenParticle ( ) const

inline

Returns a pointer to most primitive status 1 or 2 particle in the recoGenParticleTrail_.

Definition at line 82 of file HistoryBase.h.

References recoGenParticleTrail_.

Referenced by TrackClassifier::hadronFlavor().

                                                 {
    if (recoGenParticleTrail_.empty())
      return nullptr;
    return recoGenParticleTrail_[recoGenParticleTrail_.size() - 1];
  }

recoGenParticleTrail()

RecoGenParticleTrail const& HistoryBase::recoGenParticleTrail ( ) const

inline

Return all reco::GenParticle in the history.

Definition at line 64 of file HistoryBase.h.

References recoGenParticleTrail_.

Referenced by TrackingNtuple::fillTrackingParticles(), TrackClassifier::processesAtGenerator(), and TrackingParticleBHadronRefSelector::produce().

{ return recoGenParticleTrail_; }

resetTrails() [1/2]

void HistoryBase::resetTrails ( )

inlineprivate

Reset trail functions.

Definition at line 149 of file HistoryBase.h.

References genParticleTrail_, genVertexTrail_, genVertexTrailHelper_, recoGenParticleTrail_, recoGenParticleTrailHelper_, simParticleTrail_, and simVertexTrail_.

Referenced by evaluate(), and resetTrails().

                     {
    simParticleTrail_.clear();
    simVertexTrail_.clear();
    genVertexTrail_.clear();
    genParticleTrail_.clear();
    recoGenParticleTrail_.clear();
    recoGenParticleTrailHelper_.clear();
    genVertexTrailHelper_.clear();
  }

resetTrails() [2/2]

void HistoryBase::resetTrails ( TrackingParticleRef  tpr )

inlineprivate

Definition at line 159 of file HistoryBase.h.

References resetTrails(), and simParticleTrail_.

                                            {
    resetTrails();
    simParticleTrail_.push_back(tpr);
  }

simParticle()

const TrackingParticleRef& HistoryBase::simParticle ( ) const

inline

Return the initial tracking particle from the history.

Definition at line 67 of file HistoryBase.h.

References simParticleTrail_.

Referenced by TrackClassifier::reconstructionInformation(), and TrackClassifier::simulationInformation().

{ return simParticleTrail_[0]; }

simParticleTrail()

SimParticleTrail const& HistoryBase::simParticleTrail ( ) const

inline

Return all the simulated particle in the history.

Definition at line 55 of file HistoryBase.h.

References simParticleTrail_.

Referenced by TrackHistoryAnalyzer::analyze(), VertexHistoryAnalyzer::analyze(), TrackClassifier::processesAtSimulation(), TrackClassifier::qualityInformation(), and TrackClassifier::vertexInformation().

{ return simParticleTrail_; }

simVertex()

const TrackingVertexRef& HistoryBase::simVertex ( ) const

inline

Return the initial tracking vertex from the history.

Definition at line 70 of file HistoryBase.h.

References simVertexTrail_.

Referenced by SVTagInfoValidationAnalyzer::analyze(), recoBSVTagInfoValidationAnalyzer::analyze(), and VertexClassifier::simulationInformation().

{ return simVertexTrail_[0]; }

simVertexTrail()

SimVertexTrail const& HistoryBase::simVertexTrail ( ) const

inline

Return all the simulated vertices in the history.

Definition at line 52 of file HistoryBase.h.

References simVertexTrail_.

Referenced by TrackHistoryAnalyzer::analyze(), VertexHistoryAnalyzer::analyze(), VertexClassifier::processesAtSimulation(), and VertexClassifier::vertexInformation().

{ return simVertexTrail_; }

traceGenHistory() [1/2]

void HistoryBase::traceGenHistory ( HepMC::GenParticle const *  genParticle )

private

Trace all the simulated information for a given pointer to a HepMC::GenParticle.

Definition at line 31 of file HistoryBase.cc.

References funct::abs(), depth_, genParticle(), and genParticleTrail_.

Referenced by traceGenHistory(), and traceSimHistory().

                                                                     {
  // Third stop criteria: status abs(depth_) particles after the hadronization.
  // The after hadronization is done by detecting the pdg_id pythia code from 88
  // to 99
  if (genParticle->status() <= abs(depth_) && (genParticle->pdg_id() < 88 || genParticle->pdg_id() > 99)) {
    genParticleTrail_.push_back(genParticle);
    // Get the producer vertex and trace it history
    traceGenHistory(genParticle->production_vertex());
  }
}

traceGenHistory() [2/2]

void HistoryBase::traceGenHistory ( HepMC::GenVertex const *  genVertex )

private

Trace all the simulated information for a given pointer to a GenVertex.

Definition at line 42 of file HistoryBase.cc.

References genVertexTrail_, genVertexTrailHelper_, and traceGenHistory().

                                                                 {
  // Verify if has a vertex associated
  if (genVertex) {
    // Skip if already exist in the collection
    if (genVertexTrailHelper_.find(genVertex) != genVertexTrailHelper_.end())
      return;
    // Add vertex to the history
    genVertexTrail_.push_back(genVertex);
    genVertexTrailHelper_.insert(genVertex);
    // Verify if the vertex has incoming particles
    if (genVertex->particles_in_size())
      traceGenHistory(*(genVertex->particles_in_const_begin()));
  }
}

traceRecoGenHistory()

void HistoryBase::traceRecoGenHistory ( reco::GenParticle const *  genParticle )

private

Trace all the simulated information for a given pointer to a reco::GenParticle.

Definition at line 7 of file HistoryBase.cc.

References funct::abs(), depth_, genParticle(), recoGenParticleTrail_, and recoGenParticleTrailHelper_.

Referenced by traceSimHistory().

                                                                        {
  // fill the trace of reco::GenParticle for correct reading of the History
  // flags etc. This is called from the TrackingParticle->genParticle_begin()
  // which is a reco::GenParticle

  // Take onlt genParticles with a status() smaller than "depth_". Typically
  // depth is 2 and so you trace back untill you reach the hard partons see for
  // status():
  // https://twiki.cern.ch/twiki/bin/view/CMSPublic/WorkBookGenParticleCandidate#GenPCand
  if (genParticle->status() <= abs(depth_) && (genParticle->pdgId() < 88 || genParticle->pdgId() > 99)) {
    // If the particle is already in the history, it is looping and you should
    // stop
    if (recoGenParticleTrailHelper_.find(genParticle) != recoGenParticleTrailHelper_.end()) {
      return;
    }
    recoGenParticleTrail_.push_back(genParticle);
    recoGenParticleTrailHelper_.insert(genParticle);
    // Get the genParticle's mother and trace its history
    if (genParticle->mother() != nullptr) {
      traceRecoGenHistory((const reco::GenParticle *)genParticle->mother());
    }
  }
}

traceSimHistory() [1/2]

bool HistoryBase::traceSimHistory ( TrackingParticleRef const &  trackingParticle, int  depth  )

private

Trace all the simulated information for a given reference to a TrackingParticle.

Definition at line 57 of file HistoryBase.cc.

References depth(), depth_, LogDebug, and traceRecoGenHistory().

Referenced by evaluate(), and traceSimHistory().

                                                                                        {
  // first stop condition: if the required depth is reached
  if (depth == depth_ && depth_ >= 0)
    return true;

  // second stop condition: if a gen particle is associated to the TP
  if (!trackingParticle->genParticles().empty()) {
    LogDebug("TrackHistory") << "Particle " << trackingParticle->pdgId() << " has a GenParicle image." << std::endl;

    traceRecoGenHistory(&(**(trackingParticle->genParticle_begin())));
  }

  LogDebug("TrackHistory") << "No GenParticle image for " << trackingParticle->pdgId() << std::endl;

  // if no association between TP and genParticles is found: get a reference to
  // the TP's parent vertex and trace its history
  return traceSimHistory(trackingParticle->parentVertex(), depth);
}

traceSimHistory() [2/2]

bool HistoryBase::traceSimHistory ( TrackingVertexRef const &  trackingVertex, int  depth  )

private

Trace all the simulated information for a given reference to a TrackingVertex.

Definition at line 76 of file HistoryBase.cc.

References depth(), spr::find(), RemoveAddSevLevel::flag, edm::Ref< C, T, F >::isNonnull(), LogDebug, simParticleTrail_, simVertexTrail_, traceGenHistory(), and traceSimHistory().

                                                                                    {
  // verify if the parent vertex exists
  if (trackingVertex.isNonnull()) {
    // save the vertex in the trail
    simVertexTrail_.push_back(trackingVertex);

    if (!trackingVertex->sourceTracks().empty()) {
      LogDebug("TrackHistory") << "Moving on to the parent particle." << std::endl;

      // select the original source in case of combined vertices
      bool flag = false;
      TrackingVertex::tp_iterator itd, its;

      for (its = trackingVertex->sourceTracks_begin(); its != trackingVertex->sourceTracks_end(); its++) {
        for (itd = trackingVertex->daughterTracks_begin(); itd != trackingVertex->daughterTracks_end(); itd++)
          if (itd != its) {
            flag = true;
            break;
          }
        if (flag)
          break;
      }

      if (!flag)
        return false;

      // verify if the new particle is not in the trail (looping partiles)
      if (std::find(simParticleTrail_.begin(), simParticleTrail_.end(), *its) != simParticleTrail_.end()) {
        LogDebug("TrackHistory") << "WARNING: Looping track found." << std::endl;
        return false;
      }

      // save particle in the trail
      simParticleTrail_.push_back(*its);
      return traceSimHistory(*its, --depth);
    } else if (!trackingVertex->genVertices().empty()) {
      // navigate over all the associated generated vertexes
      LogDebug("TrackHistory") << "Vertex has " << trackingVertex->genVertices().size() << "GenVertex image."
                               << std::endl;
      for (TrackingVertex::genv_iterator ivertex = trackingVertex->genVertices_begin();
           ivertex != trackingVertex->genVertices_end();
           ++ivertex)
        traceGenHistory(&(**(ivertex)));
      return true;
    } else {
      LogDebug("TrackHistory") << "WARNING: Source track for tracking vertex cannot be found." << std::endl;
    }
  } else {
    LogDebug("TrackHistory") << " WARNING: Vertex cannot be found.";
  }

  return false;
}

Member Data Documentation

depth_

int HistoryBase::depth_

private

Definition at line 127 of file HistoryBase.h.

Referenced by depth(), evaluate(), HistoryBase(), traceGenHistory(), traceRecoGenHistory(), and traceSimHistory().

genParticleTrail_

GenParticleTrail HistoryBase::genParticleTrail_

protected

Definition at line 117 of file HistoryBase.h.

Referenced by genParticle(), genParticleTrail(), resetTrails(), and traceGenHistory().

genVertexTrail_

GenVertexTrail HistoryBase::genVertexTrail_

protected

Definition at line 116 of file HistoryBase.h.

Referenced by genVertexTrail(), resetTrails(), and traceGenHistory().

genVertexTrailHelper_

GenVertexTrailHelper HistoryBase::genVertexTrailHelper_

protected

Definition at line 123 of file HistoryBase.h.

Referenced by resetTrails(), and traceGenHistory().

recoGenParticleTrail_

RecoGenParticleTrail HistoryBase::recoGenParticleTrail_

protected

Definition at line 118 of file HistoryBase.h.

Referenced by recoGenParticle(), recoGenParticleTrail(), resetTrails(), and traceRecoGenHistory().

recoGenParticleTrailHelper_

RecoGenParticleTrailHelper HistoryBase::recoGenParticleTrailHelper_

protected

Definition at line 124 of file HistoryBase.h.

Referenced by resetTrails(), and traceRecoGenHistory().

simParticleTrail_

SimParticleTrail HistoryBase::simParticleTrail_

protected

Definition at line 120 of file HistoryBase.h.

Referenced by resetTrails(), simParticle(), simParticleTrail(), and traceSimHistory().

simVertexTrail_

SimVertexTrail HistoryBase::simVertexTrail_

protected

Definition at line 119 of file HistoryBase.h.

Referenced by resetTrails(), simVertex(), simVertexTrail(), and traceSimHistory().