Validation Algorithm to retrieve a Track Collection, loop over the tracks and write track information into ntuples using IValidationNtupleTool. More...

#include <TrackValidationNtupleWriter.h>

Inheritance diagram for Trk::TrackValidationNtupleWriter:

Collaboration diagram for Trk::TrackValidationNtupleWriter:

Public Member Functions
	TrackValidationNtupleWriter (const std::string &name, ISvcLocator *pSvcLocator)
	Standard Athena-Algorithm Constructor.
	~TrackValidationNtupleWriter ()
	Default Destructor.
StatusCode	initialize ()
	standard Athena-Algorithm method
StatusCode	execute ()
	standard Athena-Algorithm method
StatusCode	finalize ()
	standard Athena-Algorithm method
virtual StatusCode	sysInitialize () override
	Override sysInitialize.
virtual const DataObjIDColl &	extraOutputDeps () const override
	Return the list of extra output dependencies.
ServiceHandle< StoreGateSvc > &	evtStore ()
	The standard `StoreGateSvc` (event store) Returns (kind of) a pointer to the `StoreGateSvc`.
const ServiceHandle< StoreGateSvc > &	detStore () const
	The standard `StoreGateSvc/DetectorStore` Returns (kind of) a pointer to the `StoreGateSvc`.
virtual StatusCode	sysStart () override
	Handle START transition.
virtual std::vector< Gaudi::DataHandle * >	inputHandles () const override
	Return this algorithm's input handles.
virtual std::vector< Gaudi::DataHandle * >	outputHandles () const override
	Return this algorithm's output handles.
Gaudi::Details::PropertyBase &	declareProperty (Gaudi::Property< T, V, H > &t)
void	updateVHKA (Gaudi::Details::PropertyBase &)
MsgStream &	msg () const
bool	msgLvl (const MSG::Level lvl) const

Protected Member Functions
StatusCode	writeTrackData (unsigned int trackColIndex, std::vector< Trk::ValidationTrackTruthData > &truthData, const Trk::Vertex *primaryVertex=NULL)
	< following methods and atributes are used in derived class TrigTrackValidationNtupleWriter Private method to associate truth to a track
StatusCode	writeTrackParticleData (unsigned int trackParticleColIndex)
	method to write track particle data to Ntuple.
void	renounceArray (SG::VarHandleKeyArray &handlesArray)
	remove all handles from I/O resolution
std::enable_if_t< std::is_void_v< std::result_of_t< decltype(&T::renounce)(T)> > &&!std::is_base_of_v< SG::VarHandleKeyArray, T > &&std::is_base_of_v< Gaudi::DataHandle, T >, void >	renounce (T &h)
void	extraDeps_update_handler (Gaudi::Details::PropertyBase &ExtraDeps)
	Add StoreName to extra input/output deps as needed.

Protected Attributes
ToolHandleArray< Trk::ITrackValidationNtupleTool >	m_ValidationNtupleTools
	set of tools for writing Trk::Track into the Ntuple
ToolHandle< Trk::IValidationNtupleTool >	m_ValTrkParticleNtupleTool
	Tool for writting Rec::TrackParticle into the Ntuple – OBSOLETE.
ToolHandle< Trk::ITruthNtupleTool >	m_truthNtupleTool
ToolHandle< Trk::IJetTruthNtupleTool >	m_jetTruthNtupleTool
ToolHandleArray< Trk::ITrackTruthClassifier >	m_trackTruthClassifierHandles
	jobO: list of truth classifiers
std::vector< const Trk::ITrackTruthClassifier * >	m_trackTruthClassifiers
	the truth classifiers
ToolHandleArray< Trk::IEventPropertyNtupleTool >	m_eventPropertyNtupleHandles
	jobO: list of event property tools
std::vector< Trk::IEventPropertyNtupleTool * >	m_eventPropertyNtupleTools
	list of event property tools
std::vector< std::string >	m_inputTrackCollection
	name of the TrackCollection
std::vector< std::string >	m_inputTrackParticleCollection
	name of the TrackParticleCollection
std::vector< std::string >	m_trackTruthCollectionName
	name of the TrackTruthCollection
std::string	m_McEventCollectionName
	name of the McEventCollection
std::string	m_inputPrimaryVertexCollection
	SG key of the input primary vertex collection (used by the track selector)
std::string	m_ntupleFileName
	jobOption: Ntuple file name
std::string	m_ntupleDirName
	jobOption: Ntuple directory name
ToolHandle< Trk::ITruthToTrack >	m_truthToTrack
	Tool handle to the Trk::TruthToTrack tool.
ToolHandle< Trk::ITrackSelectorTool >	m_trackSelector
	Tool handle to the Trk::ITrackSelectorTool.
ToolHandle< Trk::IGenParticleSelector >	m_genPartSelector
	Tool handle to the Trk::IGenParticleSelector.
ToolHandle< Trk::IGenParticleJetFinder >	m_genJetFinder
	Tool to find jets.
bool	m_useExternalEventLinkTree
	if TVNW should make event tree itself or assume CBNT does
bool	m_doTruth
	Switch to turn on / off truth.
bool	m_doTrackParticle
HepMC::GenParticlePtr	m_visibleParticleWithoutTruth
	Switch to turn on/pff recording track particle trees into Ntuple.
std::vector< unsigned int >	m_nTrackTreeRecords
std::vector< TTree * >	m_trees
	Pointer to the NTuple trees (one for each input track collection)
TTree *	m_eventLinkTree
	pointer to event-wise ntuple trees (one for all input track collections + truth)

Private Types
typedef ServiceHandle< StoreGateSvc >	StoreGateSvc_t

Private Member Functions
Gaudi::Details::PropertyBase &	declareGaudiProperty (Gaudi::Property< T, V, H > &hndl, const SG::VarHandleKeyType &)
	specialization for handling Gaudi::Property<SG::VarHandleKey>

Private Attributes
DataObjIDColl	m_extendedExtraObjects
StoreGateSvc_t	m_evtStore
	Pointer to StoreGate (event store by default)
StoreGateSvc_t	m_detStore
	Pointer to StoreGate (detector store by default)
std::vector< SG::VarHandleKeyArray * >	m_vhka
bool	m_varHandleArraysDeclared

Detailed Description

Validation Algorithm to retrieve a Track Collection, loop over the tracks and write track information into ntuples using IValidationNtupleTool.

For information about the ntuple variables filled, have a look into the IValidationNtupleTool implementation used.

Author: Andre.nosp@m.as.S.nosp@m.alzbu.nosp@m.rger.nosp@m.@cern.nosp@m..ch, Sebas.nosp@m.tian.nosp@m..Flei.nosp@m.schm.nosp@m.ann@c.nosp@m.ern..nosp@m.ch, Wolfg.nosp@m.ang..nosp@m.Liebi.nosp@m.g@ce.nosp@m.rn.ch

Definition at line 48 of file TrackValidationNtupleWriter.h.

Member Typedef Documentation

◆ StoreGateSvc_t

typedef ServiceHandle<StoreGateSvc> AthCommonDataStore< AthCommonMsg< Algorithm > >::StoreGateSvc_t

privateinherited

Definition at line 388 of file AthCommonDataStore.h.

Constructor & Destructor Documentation

◆ TrackValidationNtupleWriter()

Trk::TrackValidationNtupleWriter::TrackValidationNtupleWriter	(	const std::string &	name,
		ISvcLocator *	pSvcLocator )

Standard Athena-Algorithm Constructor.

Definition at line 45 of file TrackValidationNtupleWriter.cxx.

                                                                                                          :
  AthAlgorithm(name,pSvcLocator),
    m_ValidationNtupleTools(),
    m_ValTrkParticleNtupleTool("Trk::BasicValTrkParticleNtupleTool/BasicValTrkParticleNtupleTool"),
    m_truthNtupleTool("Trk::TruthNtupleTool/TruthNtupleTool"),
    m_jetTruthNtupleTool(""),
    m_trackTruthClassifierHandles(),
    m_trackTruthClassifiers(0),
    m_eventPropertyNtupleHandles(),
    m_eventPropertyNtupleTools(0),
    m_inputTrackCollection(0),
    m_trackTruthCollectionName(0),
    m_McEventCollectionName("TruthEvent"),
    m_inputPrimaryVertexCollection(""),
    m_ntupleFileName("TRKVAL"),
    m_ntupleDirName("Validation"),
    m_truthToTrack("Trk::TruthToTrack/TruthToTrack"),
    m_trackSelector("InDet::InDetTrackSelectorTool/InDetTrackSelectorTool"),
    m_genPartSelector("Trk::InDetReconstructableSelector/InDetReconstructableSelector"),
    m_genJetFinder("Trk::GenParticleJetFinder/GenParticleJetFinder"),
    m_useExternalEventLinkTree(false),
    m_doTruth(true),
    m_doTrackParticle(false),
    m_visibleParticleWithoutTruth(nullptr),
    m_nTrackTreeRecords(0),
    m_trees(0),
    m_eventLinkTree(nullptr)
    
{
    m_ValidationNtupleTools.push_back("Trk::TrackInformationNtupleTool/TrackInformationNtupleTool");
    m_ValidationNtupleTools.push_back("Trk::PerigeeParametersNtupleTool/PerigeeParametersNtupleTool");
     m_ValidationNtupleTools.push_back("Trk::MeasurementVectorNtupleTool/MeasurementVectorNtupleTool");
    m_trackTruthClassifierHandles.push_back("Trk::PrimaryTruthClassifier/PrimaryTruthClassifier");
    
    m_eventPropertyNtupleHandles.push_back("Trk::EventPropertyNtupleTool/EventPropertyNtupleTool");
    m_eventPropertyNtupleHandles.push_back("Trk::EventToTrackLinkNtupleTool/EventToTrackLinkNtupleTool");
 
    m_inputTrackCollection.emplace_back("Tracks");
    m_trackTruthCollectionName.emplace_back("TrackTruthCollection");
 
    declareProperty("TrackCollection",      m_inputTrackCollection,     "Names of the track collections");
    declareProperty("TrackParticleCollection", m_inputTrackParticleCollection, "Names of the track particle collections");
    declareProperty("TrackTruthCollection", m_trackTruthCollectionName, "Names of the truth track collections (if DoTruth=True)");
    declareProperty("TruthCollection",      m_McEventCollectionName,    "Name of the truth (gen event) collection (if DoTruth=True)");
    declareProperty("PrimaryVertexCollection",      m_inputPrimaryVertexCollection,             "SG key of input PrimaryVertex collection (needed for TrackSelector, if no vertex collection is given, the selector will not use the vertex position)");
    declareProperty("NtupleFileName",       m_ntupleFileName,           "Ntuple file handle");
    declareProperty("NtupleDirectoryName",  m_ntupleDirName,            "directory name for ntuple tree");
    //declareProperty("NtupleTreeName",       m_ntupleTreeNames,          "Name of the ntuple trees (list corresponding to the list of input track collections)");
    declareProperty("UseExternalEventLinkTree", m_useExternalEventLinkTree, "flag if event link tree is supplied externally, eg as part of CBNT");
    declareProperty("DoTruth",              m_doTruth,                  "Write truth data?");
    declareProperty("ValidationNtupleTools", m_ValidationNtupleTools,   "Tool to write the validation ntuple");
    declareProperty("ValTrkParticleNtupleTool", m_ValTrkParticleNtupleTool, "Tool to write the validation ntuple for Track Particles");
    declareProperty("TruthNtupleTool",      m_truthNtupleTool,          "Tool to write the truth ntuple");
    declareProperty("JetNtupleTool",        m_jetTruthNtupleTool,       "Tool to add jet information to ntuple");
    declareProperty("TruthToTrackTool",     m_truthToTrack,             "Tool for truth to track");
    declareProperty("TrackSelectorTool",    m_trackSelector,            "Tool for the selection of tracks");
    declareProperty("GenParticleSelectorTool",  m_genPartSelector,      "Tool for the selection of truth particles");
    declareProperty("GenParticleJetFinder", m_genJetFinder,             "Tool for jet clustering (MC)");
    declareProperty("TruthClassifierTools", m_trackTruthClassifierHandles,  "List of truth classifier tools");
    declareProperty("EventPropertyNtupleTools", m_eventPropertyNtupleHandles,"List of event property ntuple tools");
    declareProperty("doTrackParticle", m_doTrackParticle, "Swith to record Rec:TrackParticle Trees");
}

◆ ~TrackValidationNtupleWriter()

Trk::TrackValidationNtupleWriter::~TrackValidationNtupleWriter ( )

default

Default Destructor.

Member Function Documentation

◆ declareGaudiProperty()

Gaudi::Details::PropertyBase & AthCommonDataStore< AthCommonMsg< Algorithm > >::declareGaudiProperty	(	Gaudi::Property< T, V, H > &	hndl,
		const SG::VarHandleKeyType &	)

inlineprivateinherited

specialization for handling Gaudi::Property<SG::VarHandleKey>

Definition at line 156 of file AthCommonDataStore.h.

  {
    return *AthCommonDataStore<PBASE>::declareProperty(hndl.name(),
                                                       hndl.value(), 
                                                       hndl.documentation());
 
  }

◆ declareProperty()

Gaudi::Details::PropertyBase & AthCommonDataStore< AthCommonMsg< Algorithm > >::declareProperty ( Gaudi::Property< T, V, H > & t )

inlineinherited

Definition at line 145 of file AthCommonDataStore.h.

                                                                     {
    typedef typename SG::HandleClassifier<T>::type htype;
    return AthCommonDataStore<PBASE>::declareGaudiProperty(t, htype());
  }

◆ detStore()

const ServiceHandle< StoreGateSvc > & AthCommonDataStore< AthCommonMsg< Algorithm > >::detStore ( ) const

inlineinherited

The standard StoreGateSvc/DetectorStore Returns (kind of) a pointer to the StoreGateSvc.

Definition at line 95 of file AthCommonDataStore.h.

95{ return m_detStore; }

AthCommonDataStore< AthCommonMsg< Algorithm > >::m_detStore

StoreGateSvc_t m_detStore

Definition AthCommonDataStore.h:393

◆ evtStore()

ServiceHandle< StoreGateSvc > & AthCommonDataStore< AthCommonMsg< Algorithm > >::evtStore ( )

inlineinherited

The standard StoreGateSvc (event store) Returns (kind of) a pointer to the StoreGateSvc.

Definition at line 85 of file AthCommonDataStore.h.

85{ return m_evtStore; }

AthCommonDataStore< AthCommonMsg< Algorithm > >::m_evtStore

StoreGateSvc_t m_evtStore

Definition AthCommonDataStore.h:390

◆ execute()

StatusCode Trk::TrackValidationNtupleWriter::execute ( )

standard Athena-Algorithm method

Definition at line 318 of file TrackValidationNtupleWriter.cxx.

                                                   {
 
//    std::cout<< "TrackValidationNtupleWriter execute() start" <<std::endl;
    
    ATH_MSG_DEBUG ("TrackValidationNtupleWriter execute() start");
 
    StatusCode sc = StatusCode::SUCCESS; if (sc.isFailure()) { /* mute sc*/ }
    for (unsigned int toolIndex = 0 ; toolIndex < m_eventPropertyNtupleTools.size(); ++toolIndex ) {
      if (m_eventPropertyNtupleTools[toolIndex]->resetVariables( ).isFailure()){};
    }
 
    const McEventCollection*                 mcEventColl = nullptr;
 
    unsigned int nTruthTreeRecordsAtCurrentEvent = 0;
    std::vector<Trk::ValidationTrackTruthData>  truthData;
    std::vector<HepMC::ConstGenParticlePtr>*  selecParticles = nullptr;
    //std::vector<const Trk::TrackParameters*> extrapolatedTruthPerigees;
    //std::vector<std::vector<unsigned int> >  classifications;
    std::vector< Trk::GenParticleJet >*      genParticleJets = nullptr;
    //std::map<HepMC::GenParticle*, unsigned int>  particleToIndexMap;
    if (m_doTruth) 
    {
        // retrieve gen event collection
        if (evtStore()->retrieve(mcEventColl, m_McEventCollectionName).isFailure())
    {
            std::string key = "G4Truth";
            if (evtStore()->retrieve(mcEventColl, key).isFailure())
        {
                msg(MSG::WARNING) << "Could not find the McEventCollection" << endmsg;
                return StatusCode::SUCCESS;
            }
        }
        
//        std::cout<<"collecton retrieved "<<std::endl;
    
        // select stable, charged particles
        selecParticles = m_genPartSelector->selectGenSignal(mcEventColl);
        if (selecParticles) 
    {
//      std::cout<<"there are selected particles "<<std::endl;
                
            // init the classification:
            //classifications.resize(selecParticles->size());
            //truthData.classifications.resize(selecParticles->size());
            //truthData.truthPerigee.resize(selecParticles->size());
            for (unsigned int toolIndex = 0 ; toolIndex < m_trackTruthClassifiers.size(); ++toolIndex ) 
        {
              m_trackTruthClassifiers[toolIndex]->initClassification(*mcEventColl, selecParticles);
            }
        
            for ( const auto& genParticle: *selecParticles) 
              {
                //truthData.genParticle = (*selecParticles);
                Trk::ValidationTrackTruthData partData;
                partData.genParticle = genParticle;
                // Perform extrapolation to generate perigee parameters
                const Trk::TrackParameters* generatedTrackPerigee(nullptr);
                if ( genParticle->production_vertex() )
                  {
                    generatedTrackPerigee = m_truthToTrack->makePerigeeParameters( genParticle );
                    if (generatedTrackPerigee == nullptr && HepMC::generations(genParticle) > 0 ) {
                      ATH_MSG_DEBUG ("No perigee available for interacting truth particle."
                                     <<" -> This is OK for particles from the TrackRecord, but probably"
                                     <<" a bug for production vertex particles.");
                    }
 
                }
                partData.truthPerigee = generatedTrackPerigee;
                // get classification
                partData.classifications.reserve(m_trackTruthClassifiers.size());
                for (unsigned int toolIndex = 0 ; toolIndex < m_trackTruthClassifiers.size(); ++toolIndex ) 
                  {
                    partData.classifications.push_back(m_trackTruthClassifiers[toolIndex]->classify(genParticle));
                  }
                // resize the truth to track vectors to the number of input track collections:
                partData.truthToTrackIndices.resize(m_inputTrackCollection.size());
                partData.truthToTrackMatchingProbabilities.resize(m_inputTrackCollection.size());
                truthData.push_back(partData);
                //partIndex++;
              }
   
//            std::cout<<"Second loop done "<<std::endl;
            
            if (! m_jetTruthNtupleTool.empty()) {
 
//            std::cout<<"Second loop done "<<std::endl;
              genParticleJets = m_genJetFinder->jetMCFinder(*selecParticles);
              if (!genParticleJets) ATH_MSG_DEBUG ("no jets found!");
              else ATH_MSG_DEBUG ("jets found: " << genParticleJets->size());
            }
//      std::cout<<" end of jet truth tool check"<<std::endl;
            
        } // end if (selecParticles)
        nTruthTreeRecordsAtCurrentEvent = m_truthNtupleTool->getNumberOfTreeRecords();
    } // end if(m_doTruth)
 
//    std::cout<<"Finished working with truth part"<<std::endl;
   
    // get vertex collection so that the track selector is able to make a correct d0, z0 cut
    const VxContainer* primaryVertexContainer = nullptr;
    if (!m_trackSelector.empty() && !m_inputPrimaryVertexCollection.empty()) {
        sc = evtStore()->retrieve(primaryVertexContainer, m_inputPrimaryVertexCollection);
        if ( !primaryVertexContainer || sc.isFailure() ) {
            ATH_MSG_ERROR( " Primary Vertex container (" << m_inputPrimaryVertexCollection << ") not found in StoreGate" );
            delete genParticleJets;
            return StatusCode::FAILURE;
        }
    }
    const Trk::Vertex* vertex = nullptr;
    if (primaryVertexContainer) {
        if (!primaryVertexContainer->empty()) vertex = &((*primaryVertexContainer)[0]->recVertex());
    }
    
    // fill the track trees for each track collection
    for (unsigned int trackColIndex = 0; trackColIndex<m_inputTrackCollection.size(); trackColIndex++) 
    {
        sc = writeTrackData(trackColIndex, truthData, vertex);
        if (sc.isFailure()) {
            ATH_MSG_ERROR ("Failure when writing track data for collection " << m_inputTrackCollection[trackColIndex]);
            delete genParticleJets;
            return sc;
        }
    }
 
     // fill track particle data 
    if(m_doTrackParticle){
    for (unsigned int trackParticleColIndex = 0; trackParticleColIndex<m_inputTrackParticleCollection.size(); trackParticleColIndex++) 
      {
        sc = writeTrackParticleData(trackParticleColIndex);
        if (sc.isFailure()) {
            msg(MSG::ERROR) <<"Failure when writing TrackParticle data for collection " << m_inputTrackParticleCollection[trackParticleColIndex] << endmsg;
            delete genParticleJets;
            return sc;
        }
    }    
}
    if (m_doTruth) {
      for (unsigned int toolIndex = 0 ; toolIndex < m_eventPropertyNtupleTools.size(); ++toolIndex )
        if( m_eventPropertyNtupleTools[toolIndex]->isTrackLinkTool() ) {
          m_eventPropertyNtupleTools[toolIndex]->setGenParticleTreeIndices
            (nTruthTreeRecordsAtCurrentEvent,
             selecParticles ? (int)selecParticles->size() : 0);
        }
    }
 
    // fill info about whole event
    for (unsigned int toolIndex = 0 ; toolIndex < m_eventPropertyNtupleTools.size(); ++toolIndex ) {
      sc = m_eventPropertyNtupleTools[toolIndex]->fillEventData( );
      if (sc.isFailure()) {
        msg(MSG::ERROR) <<"Failure when filling event data." << endmsg;
        delete genParticleJets;
        return sc;
      }
    }
    
    if (!m_useExternalEventLinkTree) m_eventLinkTree->Fill();
 
    // fill info about jets
    std::vector<unsigned int> truthToJetIndices(selecParticles ? selecParticles->size() : 0);
    if (m_doTruth && selecParticles && genParticleJets && !m_jetTruthNtupleTool.empty() ) {
 
      const unsigned int nJetTruthTreeRecordsAtCurrentEvent 
        = m_jetTruthNtupleTool->getNumberOfTreeRecords();
 
      for( std::vector<Trk::GenParticleJet>::iterator itrMcJet = genParticleJets->begin();
           itrMcJet < genParticleJets->end() ; ++itrMcJet) {
 
        std::vector<int> indices = (*itrMcJet).getIndicesInEvent();
        if (!indices.empty())
          for (std::vector<int>::const_iterator k =indices.begin(); k != indices.end(); ++k) {
            if (*k >= 0 && *k <= (int)selecParticles->size() ) {
              truthData[*k].truthToJetIndex = nJetTruthTreeRecordsAtCurrentEvent
                + int(itrMcJet - genParticleJets->begin()) + 1;
            } else {
              msg(MSG::WARNING) <<" mistake with jet::indexInEvent !! " << *k << endmsg;
            }
          }
      }
      sc = m_jetTruthNtupleTool->writeJetTruthData(*genParticleJets,
                                                   nTruthTreeRecordsAtCurrentEvent);
      if ( sc.isFailure() ){
        msg(MSG::ERROR) << "Jet Truth Ntuple Tool could not fill data" << endmsg;
        delete genParticleJets;
        return StatusCode::FAILURE;
      }
    }
 
 
    if (m_doTruth && selecParticles){
      sc = m_truthNtupleTool->writeTruthData( truthData );
      if ( sc.isFailure() ){
        msg(MSG::ERROR) << "Truth Ntuple Tool could not fill data" << endmsg;
        delete genParticleJets;
        return StatusCode::FAILURE;
      }
    } // end if (m_doTruth && selecParticles)
 
    delete selecParticles;
    delete genParticleJets;
    std::vector<Trk::ValidationTrackTruthData>::iterator truthDataIter = truthData.begin();
    for (; truthDataIter != truthData.end(); ++truthDataIter) {
        delete (*truthDataIter).truthPerigee;
        (*truthDataIter).truthPerigee = nullptr;
    }
    return StatusCode::SUCCESS;
}

◆ extraDeps_update_handler()

void AthCommonDataStore< AthCommonMsg< Algorithm > >::extraDeps_update_handler ( Gaudi::Details::PropertyBase & ExtraDeps )

protectedinherited

Add StoreName to extra input/output deps as needed.

use the logic of the VarHandleKey to parse the DataObjID keys supplied via the ExtraInputs and ExtraOuputs Properties to add the StoreName if it's not explicitly given

◆ extraOutputDeps()

const DataObjIDColl & AthAlgorithm::extraOutputDeps ( ) const

overridevirtualinherited

Return the list of extra output dependencies.

This list is extended to include symlinks implied by inheritance relations.

Definition at line 50 of file AthAlgorithm.cxx.

{
  // If we didn't find any symlinks to add, just return the collection
  // from the base class.  Otherwise, return the extended collection.
  if (!m_extendedExtraObjects.empty()) {
    return m_extendedExtraObjects;
  }
  return Algorithm::extraOutputDeps();
}

◆ finalize()

StatusCode Trk::TrackValidationNtupleWriter::finalize ( )

standard Athena-Algorithm method

Definition at line 732 of file TrackValidationNtupleWriter.cxx.

                                                    {
 
    msg(MSG::INFO)  << "TrackValidationNtupleWriter finalize()" << endmsg;
 
#ifdef HEPMC3
    //This is smart pointer in HepMC3
#else
    delete m_visibleParticleWithoutTruth;
#endif
    for (unsigned int toolIndex = 0 ; toolIndex < m_eventPropertyNtupleTools.size(); ++toolIndex ){
      if (m_eventPropertyNtupleTools[toolIndex]->resetVariables( ).isFailure()){};
    }
 
    return StatusCode::SUCCESS;
}

◆ initialize()

StatusCode Trk::TrackValidationNtupleWriter::initialize ( )

standard Athena-Algorithm method

Definition at line 110 of file TrackValidationNtupleWriter.cxx.

                                                      {
 
    msg(MSG::INFO) <<"TrackValidationNtupleWriter initialize()" << endmsg;
 
    //check that m_inputTrackCollection and m_trackTruthCollectionName have the same size
    if (m_doTruth && (m_inputTrackCollection.size() != m_trackTruthCollectionName.size())) {
        msg(MSG::FATAL) << "joboptions TrackCollection and TrackTruthCollection have different sizes!" << endmsg;
        msg(MSG::FATAL) << "If you like to get truth data (DoTruth=True)," << endmsg;
        msg(MSG::FATAL) << "  please make sure to set for each TrackCollection the corresponding TrackTruthCollection" << endmsg;
        return StatusCode::FAILURE;
    }
 
    // Get Validation ntuple Tools
    StatusCode sc = m_ValidationNtupleTools.retrieve();
    if (sc.isFailure()) {
        msg(MSG::FATAL) << "Could not retrieve "<< m_ValidationNtupleTools <<" (to write validation ntuple) "<< endmsg;
        return sc;
    }
    if(m_doTrackParticle){
    // Get TrackParticle Validation ntuple Tool
    sc = m_ValTrkParticleNtupleTool.retrieve();
    if (sc.isFailure()) {
        msg(MSG::FATAL) << "Could not retrieve "<< m_ValTrkParticleNtupleTool <<" (to write TrackParticle validation ntuple) "<< endmsg;
        return sc;
     }
    }
 
    // Get the Track Selector Tool
    if ( !m_trackSelector.empty() ) {
      sc = m_trackSelector.retrieve();
      if (sc.isFailure()) {
        msg(MSG::FATAL) << "Could not retrieve "<< m_trackSelector <<" (to select the tracks which are written to the ntuple) "<< endmsg;
        msg(MSG::INFO) << "Set the ToolHandle to None if track selection is supposed to be disabled" << endmsg;
        return sc;
      }
    }
 
    msg(MSG::INFO) <<"Track Selector retrieved" << endmsg;
    // -------------------------------
    // get event property tools
    ToolHandleArray< Trk::IEventPropertyNtupleTool >::iterator itTools;
    if ( m_eventPropertyNtupleHandles.retrieve().isFailure() ) {
      msg(MSG::ERROR) << "Failed to retreive " << m_eventPropertyNtupleHandles << endmsg;
    } else {
      msg(MSG::INFO) << "Retrieved " << m_eventPropertyNtupleHandles << endmsg;
    }
 
     
    //std::vector<std::string> classifierNames(0);
    itTools = m_eventPropertyNtupleHandles.begin();
    for (  ; itTools != m_eventPropertyNtupleHandles.end(); ++itTools ) {
      // add tool to list
      m_eventPropertyNtupleTools.push_back(&(*(*itTools)));
    }
 
    // Retrieve the TruthToTrack tool if truth is required
    if ( m_doTruth ) {
        sc = m_truthToTrack.retrieve();
        if (sc.isFailure()) {
          ATH_MSG_FATAL ("Could not retrieve "<< m_truthToTrack);
          return sc;
        }
 
        // retrieve truth selector for efficiency denominator
        sc = m_genPartSelector.retrieve();
        if (sc.isFailure()) {
          ATH_MSG_FATAL ("Could not retrieve "<< m_genPartSelector);
          return sc;
        }
 
        // -------------------------------
        // get given classifier tools
        ToolHandleArray< ITrackTruthClassifier >::iterator itTools;
        if ( m_trackTruthClassifierHandles.retrieve().isFailure() ) {
            msg(MSG::ERROR) << "Failed to retreive " << m_trackTruthClassifierHandles << endmsg;
        } else {
            msg(MSG::INFO) << "Retrieved " << m_trackTruthClassifierHandles << endmsg;
        }
        //std::vector<std::string> classifierNames(0);
        itTools = m_trackTruthClassifierHandles.begin();
        for (  ; itTools != m_trackTruthClassifierHandles.end(); ++itTools ) {
            // add tool to list
            m_trackTruthClassifiers.push_back(&(*(*itTools)));
            //classifierNames.push_back((*itTools)->nameOfClassifier());
        }
 
        // Get the Jet-Truth Ntuple Tool
        if (! m_jetTruthNtupleTool.empty()) {
          sc = m_jetTruthNtupleTool.retrieve();
          if (sc.isFailure()) {
            msg(MSG::ERROR) << "Could not retrieve "<< m_jetTruthNtupleTool
                  << " (to write jet data)."<< endmsg << "--> Instead configure "
                  << "to empty string if jet data not desired." << endmsg;
            return sc;
          }
          sc = m_genJetFinder.retrieve();
          if (sc.isFailure()) {
            msg(MSG::ERROR) << "Could not retrieve "<< m_genJetFinder
                  << " (to find jets at truth level)."<< endmsg;
            return sc;
          }
        }
 
        // Get the Truth Ntuple Tool
        sc = m_truthNtupleTool.retrieve();
        if (sc.isFailure()) {
            msg(MSG::FATAL) << "Could not retrieve "<< m_truthNtupleTool <<" (to write truth data) "<< endmsg;
            return sc;
        }
        bool include_jets = (! m_jetTruthNtupleTool.empty());
        sc = m_truthNtupleTool->initBranches(m_trackTruthClassifiers, include_jets, m_inputTrackCollection);
        if (sc.isFailure()) return sc;
 
        m_visibleParticleWithoutTruth = HepMC::newGenParticlePtr(HepMC::FourVector(), 0);
 
    } // if truth is activated
 
    // ---------------------------
    // retrieve pointer to THistSvc
    SmartIF<ITHistSvc> tHistSvc{service("THistSvc")};
    ATH_CHECK( tHistSvc.isValid() );
 
    // ---------------------------
    // create tree for each given track collection and register it to THistSvc
    std::vector<std::string>::const_iterator trackColNameIter = m_inputTrackCollection.begin();
    //for (unsigned int trackColIndex = 0; trackColIndex<m_inputTrackCollection.size(); trackColIndex++) {
    for (; trackColNameIter != m_inputTrackCollection.end(); ++trackColNameIter) {
        TTree* tree = new TTree((*trackColNameIter).c_str(), ((*trackColNameIter)+" Validation").c_str());
        m_trees.push_back(tree);
        std::string fullNtupleName =  "/"+m_ntupleFileName+"/"+m_ntupleDirName+"/"+(*trackColNameIter);
        sc = tHistSvc->regTree(fullNtupleName, tree);
        if (sc.isFailure()) {
            msg(MSG::ERROR) << "Unable to register TTree : " << fullNtupleName << endmsg;
            return sc;
        }
        // add the ntuple branches to this tree
        ToolHandleArray< Trk::ITrackValidationNtupleTool >::iterator itTools;
        itTools = m_ValidationNtupleTools.begin();
        for (  ; itTools != m_ValidationNtupleTools.end(); ++itTools ) {
          if (((*itTools)->addNtupleItems(tree)).isFailure()) {
            msg(MSG::ERROR) << "ValidationNtupleTool could not add its branches"
                            << " for tree " << fullNtupleName << endmsg;
            return StatusCode::FAILURE;
          }
        }
    // initialize tree offsets to 0:
    m_nTrackTreeRecords.push_back( 0 );
    }
 
 
    // create tree for each given track particle collection and register it to THistSvc
    std::vector<std::string>::const_iterator trackParticleColNameIter = m_inputTrackParticleCollection.begin();
    
    for (; trackParticleColNameIter != m_inputTrackParticleCollection.end(); ++trackParticleColNameIter ) {
        TTree* tree = new TTree((*trackParticleColNameIter).c_str(), ((*trackParticleColNameIter)+" Validation").c_str());
        m_trees.push_back(tree); 
        std::string fullNtupleName =  "/"+m_ntupleFileName+"/"+m_ntupleDirName+"/"+(*trackParticleColNameIter);
        sc = tHistSvc->regTree(fullNtupleName, tree);
        if (sc.isFailure()) {
            msg(MSG::ERROR) << "Unable to register TTree : " << fullNtupleName << endmsg;
            return sc;
        }
        // add the ntuple branches to this tree
        sc = m_ValTrkParticleNtupleTool->addNtupleItems(tree); 
        if (sc.isFailure()) {
            msg(MSG::ERROR) << "ValidationNtupleTool could not add its branches for tree " << fullNtupleName << endmsg;
            return sc;
        }
 
    } //loop over m_inputTrackParticleCollection
 
    for (unsigned int toolIndex = 0 ; toolIndex < m_eventPropertyNtupleTools.size(); ++toolIndex ) {
      if( m_eventPropertyNtupleTools[toolIndex]->isTrackLinkTool( ) ) {
               m_eventPropertyNtupleTools[toolIndex]->registerTrackCollections( m_inputTrackCollection,
                                            m_doTruth );
                                                                              } //if
      else if(m_eventPropertyNtupleTools[toolIndex]->isTrkParticleLinkTool() ) // register just Trk::TrackParticleBase collection retrieved from SG
              m_eventPropertyNtupleTools[toolIndex]->registerTrackCollections( m_inputTrackParticleCollection,  m_doTruth  );
                                                                                       } // for over m_eventPropertyNtupleTools
 
    // ---------------------------
    // add event-wise track tree with link to the information in the track-wise tree
    if (!m_useExternalEventLinkTree) {
      m_eventLinkTree = new TTree("EventToTrackLink", "Event to track entry link");
      std::string fullNtupleName =  "/"+m_ntupleFileName+"/"+m_ntupleDirName+"/EventToTrackLink";
      sc = tHistSvc->regTree(fullNtupleName, m_eventLinkTree);
      if (sc.isFailure()) {
        msg(MSG::ERROR) << "Unable to register TTree : " << fullNtupleName << endmsg;
        return sc;
      }
 
    for (unsigned int toolIndex=0 ; toolIndex < m_eventPropertyNtupleTools.size(); ++toolIndex ) {
      if( m_eventPropertyNtupleTools[toolIndex]->isTrkParticleLinkTool() ||
          m_eventPropertyNtupleTools[toolIndex]->isTrackLinkTool( ) || 
          m_eventPropertyNtupleTools[toolIndex]->isEvtPropertyTool( ) ) {
      if( m_eventPropertyNtupleTools[toolIndex]->addNtupleItems( m_eventLinkTree ).isFailure() ) 
                             {
                               msg(MSG::ERROR) << "Unable to add items into the event tree: " << m_eventLinkTree->GetTitle() << endmsg;
                               return StatusCode::SUCCESS;
                             } // if addNtupleItems isFailure
        } // if Track or TrackParticle
     } //loop over m_eventPropertyNtupleTools
    } // if not use external link tree
    return StatusCode::SUCCESS;
}

◆ inputHandles()

virtual std::vector< Gaudi::DataHandle * > AthCommonDataStore< AthCommonMsg< Algorithm > >::inputHandles ( ) const

overridevirtualinherited

Return this algorithm's input handles.

We override this to include handle instances from key arrays if they have not yet been declared. See comments on updateVHKA.

◆ msg()

MsgStream & AthCommonMsg< Algorithm >::msg ( ) const

inlineinherited

Definition at line 24 of file AthCommonMsg.h.

                                {
    return this->msgStream();
  }

◆ msgLvl()

bool AthCommonMsg< Algorithm >::msgLvl ( const MSG::Level lvl ) const

inlineinherited

Definition at line 30 of file AthCommonMsg.h.

                                               {
    return this->msgLevel(lvl);
  }

◆ outputHandles()

virtual std::vector< Gaudi::DataHandle * > AthCommonDataStore< AthCommonMsg< Algorithm > >::outputHandles ( ) const

overridevirtualinherited

Return this algorithm's output handles.

We override this to include handle instances from key arrays if they have not yet been declared. See comments on updateVHKA.

◆ renounce()

std::enable_if_t< std::is_void_v< std::result_of_t< decltype(&T::renounce)(T)> > &&!std::is_base_of_v< SG::VarHandleKeyArray, T > &&std::is_base_of_v< Gaudi::DataHandle, T >, void > AthCommonDataStore< AthCommonMsg< Algorithm > >::renounce ( T & h )

inlineprotectedinherited

Definition at line 380 of file AthCommonDataStore.h.

  {
    h.renounce();
    PBASE::renounce (h);
  }

◆ renounceArray()

void AthCommonDataStore< AthCommonMsg< Algorithm > >::renounceArray ( SG::VarHandleKeyArray & handlesArray )

inlineprotectedinherited

remove all handles from I/O resolution

Definition at line 364 of file AthCommonDataStore.h.

                                                          {
    handlesArray.renounce();
  }

◆ sysInitialize()

StatusCode AthAlgorithm::sysInitialize ( )

overridevirtualinherited

Override sysInitialize.

Override sysInitialize from the base class.

Loop through all output handles, and if they're WriteCondHandles, automatically register them and this Algorithm with the CondSvc

Scan through all outputHandles, and if they're WriteCondHandles, register them with the CondSvc

Reimplemented from AthCommonDataStore< AthCommonMsg< Algorithm > >.

Reimplemented in AthAnalysisAlgorithm, AthFilterAlgorithm, AthHistogramAlgorithm, and PyAthena::Alg.

Definition at line 66 of file AthAlgorithm.cxx.

                                       {
  StatusCode sc=AthCommonDataStore<AthCommonMsg<Algorithm>>::sysInitialize();
 
  if (sc.isFailure()) {
    return sc;
  }
  ServiceHandle<ICondSvc> cs("CondSvc",name());
  for (auto h : outputHandles()) {
    if (h->isCondition() && h->mode() == Gaudi::DataHandle::Writer) {
      // do this inside the loop so we don't create the CondSvc until needed
      if ( cs.retrieve().isFailure() ) {
        ATH_MSG_WARNING("no CondSvc found: won't autoreg WriteCondHandles");
        return StatusCode::SUCCESS;
      }
      if (cs->regHandle(this,*h).isFailure()) {
        sc = StatusCode::FAILURE;
        ATH_MSG_ERROR("unable to register WriteCondHandle " << h->fullKey()
                      << " with CondSvc");
      }
    }
  }
  return sc;
}

◆ sysStart()

virtual StatusCode AthCommonDataStore< AthCommonMsg< Algorithm > >::sysStart ( )

overridevirtualinherited

Handle START transition.

We override this in order to make sure that conditions handle keys can cache a pointer to the conditions container.

◆ updateVHKA()

void AthCommonDataStore< AthCommonMsg< Algorithm > >::updateVHKA ( Gaudi::Details::PropertyBase & )

inlineinherited

Definition at line 308 of file AthCommonDataStore.h.

                                               {
    // debug() << "updateVHKA for property " << p.name() << " " << p.toString() 
    //         << "  size: " << m_vhka.size() << endmsg;
    for (auto &a : m_vhka) {
      std::vector<SG::VarHandleKey*> keys = a->keys();
      for (auto k : keys) {
        k->setOwner(this);
      }
    }
  }

◆ writeTrackData()

StatusCode Trk::TrackValidationNtupleWriter::writeTrackData	(	unsigned int	trackColIndex,
		std::vector< Trk::ValidationTrackTruthData > &	truthData,
		const Trk::Vertex *	primaryVertex = NULL )

protected

< following methods and atributes are used in derived class TrigTrackValidationNtupleWriter Private method to associate truth to a track

Definition at line 525 of file TrackValidationNtupleWriter.cxx.

                                                                                             {
    StatusCode sc = StatusCode::SUCCESS; if (sc.isFailure()) { /* mute sc*/ }
    // retrieve reconstructed tracks
    const TrackCollection* tracks = nullptr;
    if (!m_inputTrackCollection[trackColIndex].empty() && evtStore()->contains<TrackCollection>(m_inputTrackCollection[trackColIndex])) {
        sc = evtStore()->retrieve(tracks, m_inputTrackCollection[trackColIndex]);
        if (sc.isFailure()) {
            msg(MSG::WARNING) <<"Tracks not found:  " << m_inputTrackCollection[trackColIndex] << endmsg;
            return StatusCode::SUCCESS;
        } else {
            if (msgLvl(MSG::DEBUG)) msg(MSG::DEBUG) <<"Tracks found: " << m_inputTrackCollection[trackColIndex] <<endmsg;
        }
    } else {
        msg(MSG::WARNING) <<"TrackCollection " << m_inputTrackCollection[trackColIndex] << " not found in StoreGate." << endmsg;
        return StatusCode::SUCCESS;
    }
 
    const TrackTruthCollection* trackTruthCollection = nullptr;
    if (m_doTruth) {
        // retrieve track truth collection
        if (!m_trackTruthCollectionName[trackColIndex].empty() && evtStore()->contains<TrackTruthCollection>(m_trackTruthCollectionName[trackColIndex])) {
            sc = evtStore()->retrieve(trackTruthCollection, m_trackTruthCollectionName[trackColIndex]);
            if (sc.isFailure()) {
                msg(MSG::WARNING) <<"TrackTruthCollection not found:  " << m_trackTruthCollectionName[trackColIndex] << endmsg;
                // FIXME: return is not good here...
                return StatusCode::SUCCESS;
            } else {
                ATH_MSG_DEBUG ("TrackTruthColl found: " << m_trackTruthCollectionName[trackColIndex]);
                // TODO: use trackTruthCollection.trackCollectionLink() to check whether consistent track collection was used
            }
        } else {
            msg(MSG::WARNING) <<"TrackTruthCollection " << m_trackTruthCollectionName[trackColIndex] << " not found in StoreGate." << endmsg;
            // FIXME: return is not good here...
            return StatusCode::SUCCESS;
        }
    } // end if m_doTruth
 
    const unsigned int nTruthTreeRecordsAtCurrentEvent = 
      (m_doTruth ? m_truthNtupleTool->getNumberOfTreeRecords() : 0 );
 
    int trackTreeIndexBegin = m_trees[trackColIndex]->GetEntries();
    int nTracksPerEvent = 0;
 
    // loop over tracks
    TrackCollection::const_iterator trackIterator = (*tracks).begin();
    for ( ; trackIterator < (*tracks).end(); ++trackIterator) {
        if (!((*trackIterator))) {
            msg(MSG::WARNING) <<"TrackCollection " << m_inputTrackCollection[trackColIndex] << "contains empty entries" << endmsg;
            continue;
        }
    if (m_trackSelector.empty() || m_trackSelector->decision(*(*trackIterator), primaryVertex)) {
            ATH_MSG_VERBOSE ("track selected!");
            ToolHandleArray< Trk::ITrackValidationNtupleTool >::iterator itTools;
            itTools = m_ValidationNtupleTools.begin();
            for (  ; itTools != m_ValidationNtupleTools.end(); ++itTools ) {
              if (((*itTools)->fillTrackData( *(*trackIterator), 0 )).isFailure()) {
                ATH_MSG_ERROR ("Validation Ntuple Tool could not fill track data.");
                return StatusCode::FAILURE;
              }
            }
            nTracksPerEvent += 1;
 
            if (m_doTruth){
                // find matching truth particle
                const TrackTruth* trackTruth = nullptr;
                HepMC::ConstGenParticlePtr genParticle{nullptr};
                TrackTruthCollection::const_iterator truthIterator = trackTruthCollection->find( trackIterator - (*tracks).begin() );
                if ( truthIterator == trackTruthCollection->end() ){
                  ATH_MSG_DEBUG ("No matching truth particle found for track");
                } else {
                  trackTruth = &((*truthIterator).second);
                  if ( !(trackTruth->particleLink().isValid()) ) {
                    if (msgLvl(MSG::DEBUG)) msg(MSG::DEBUG) << "Link to generated particle information is not there - assuming a lost G4 particle ('fake fake')." << endmsg;
                    genParticle = m_visibleParticleWithoutTruth; // with pdg_id 0
                  } else {
#ifdef HEPMC3
                    genParticle = trackTruth->particleLink().scptr();
#else
                    genParticle = trackTruth->particleLink().cptr();
#endif
                    if ( genParticle!=nullptr && genParticle->pdg_id() == 0 ) {
                      if (msgLvl(MSG::DEBUG)) msg(MSG::DEBUG) << "Associated Particle ID " << genParticle->pdg_id()
                            << " does not conform to PDG requirements... ignore it!" << endmsg;
                      genParticle = nullptr;
                    } 
                  }
                }
                if (genParticle) {
                  ATH_MSG_VERBOSE("Associated Particle ID: " << genParticle->pdg_id());
                  // Perform extrapolation to generate perigee parameters
                  const Trk::TrackParameters* generatedTrackPerigee(nullptr);
                  const Trk::TrackParameters* newTrackPerigee(nullptr);
                  // fill the truth data in the track tree
                  int truthIndex = -1;
                  // TODO: do the search somehow better:
                  std::vector<Trk::ValidationTrackTruthData>::iterator matchedPartIter = truthData.begin();
                  for (; matchedPartIter != truthData.end(); ++matchedPartIter) {
                    truthIndex++;
                    if ((*matchedPartIter).genParticle == genParticle) break;
                  }
                  if (matchedPartIter == truthData.end()) {
                    // did not find particle in list of selected particles
                    truthIndex = -1;
                    if (msgLvl(MSG::VERBOSE)) msg(MSG::VERBOSE) << "Matched particle " << genParticle << " is not in list of selected particles" << endmsg;
                    if ( genParticle->production_vertex() ) {
                      newTrackPerigee = m_truthToTrack->makePerigeeParameters( genParticle );
                      generatedTrackPerigee = newTrackPerigee;
                    }
                  } else {
                    // store the index in the track tree of the current track (establish link from truth to track)
                    (*matchedPartIter).truthToTrackIndices[trackColIndex].push_back(m_nTrackTreeRecords[trackColIndex]);
                    (*matchedPartIter).truthToTrackMatchingProbabilities[trackColIndex].push_back(trackTruth->probability());
                    generatedTrackPerigee = (*matchedPartIter).truthPerigee;
                    // calculate entry index in tree:
                    truthIndex += nTruthTreeRecordsAtCurrentEvent;
                  }
                  ToolHandleArray< Trk::ITrackValidationNtupleTool >::iterator itTools;
                  itTools = m_ValidationNtupleTools.begin();
                  for (  ; itTools != m_ValidationNtupleTools.end(); ++itTools ) {
                    if (((*itTools)->fillTrackTruthData( generatedTrackPerigee, *trackTruth, truthIndex )).isFailure()) {
                      ATH_MSG_ERROR ("Validation Ntuple Tool could not fill track truth data.");
                      delete newTrackPerigee;
                      return StatusCode::FAILURE;
                    }
                  }
                  // New memory allocated for the true perigee - must be deleted
                  delete newTrackPerigee;
                  
                } // end if (genParticle)
            } // end if (m_doTruth)
 
            m_trees[trackColIndex]->Fill();
            itTools = m_ValidationNtupleTools.begin();
            for (  ; itTools != m_ValidationNtupleTools.end(); ++itTools )
              (*itTools)->resetVariables();
            // call getEntries - 1, push_back in index vektor
 
            m_nTrackTreeRecords[trackColIndex]++;
        } else {
            if (msgLvl(MSG::VERBOSE)) msg(MSG::VERBOSE) <<"track not selected!" <<endmsg;
        }
    } // end for (trackIterator)
 
    for (unsigned int toolIndex = 0 ; toolIndex < m_eventPropertyNtupleTools.size(); ++toolIndex )
      if( m_eventPropertyNtupleTools[toolIndex]->isTrackLinkTool() ) m_eventPropertyNtupleTools[toolIndex]->setTrackTreeIndices
        (trackColIndex, trackTreeIndexBegin, nTracksPerEvent );
 
    return StatusCode::SUCCESS;
}

◆ writeTrackParticleData()

StatusCode Trk::TrackValidationNtupleWriter::writeTrackParticleData ( unsigned int trackParticleColIndex )

protected

method to write track particle data to Ntuple.

Rec::Track particles are retrieved from SG

Definition at line 677 of file TrackValidationNtupleWriter.cxx.

                                                                                                     {
 
 msg(MSG::DEBUG) << "writeTrackParticleData method started" << endmsg;
 
  // retrieve Trk::TrackParticleBaseCollection from the SG
 const Trk::TrackParticleBaseCollection* trackParticles = nullptr;
 
 if (!m_inputTrackParticleCollection[trackParticleColIndex].empty() && 
     evtStore()->contains<Trk::TrackParticleBaseCollection>(m_inputTrackParticleCollection[trackParticleColIndex])) {
            if (evtStore()->retrieve(trackParticles, m_inputTrackParticleCollection[trackParticleColIndex]).isFailure()) {
                                    msg(MSG::WARNING) <<"Trk::TrackParticleBasesContainer not found:" << m_inputTrackParticleCollection[trackParticleColIndex] << endmsg;
                                   return StatusCode::SUCCESS;
               } else {
                       if (msgLvl(MSG::DEBUG)) msg(MSG::DEBUG) <<"Trk::TrackParticleBasesContainer found: "<< m_inputTrackParticleCollection[trackParticleColIndex] <<endmsg;
                      }
    } else {
        msg(MSG::WARNING) <<"Trk::TrackParticleBasesContainer " << m_inputTrackParticleCollection[trackParticleColIndex] << " not found in StoreGate." << endmsg;
        return StatusCode::SUCCESS;
           }
 
 // indexes for eventPropertyNtupleTool
    int trackTreeIndexBegin = m_trees[trackParticleColIndex + m_inputTrackCollection.size()]->GetEntries();
    int nTrkParticlesPerEvent = 0;
 
 // fill coresponding Rec:TrackParticle tree using BasicTrkParticleValidationNtuple 
 Trk::TrackParticleBaseCollection::const_iterator trackParticleIterator = (*trackParticles).begin();
    for ( ; trackParticleIterator < (*trackParticles).end(); ++trackParticleIterator) {
        if (!((*trackParticleIterator))) {
            msg(MSG::WARNING) <<"TrackParticleCollection " << m_inputTrackParticleCollection[trackParticleColIndex] << "contains empty entries" << endmsg;
            continue;
                                     } // if emty entry
 
        if ( m_ValTrkParticleNtupleTool->fillTrackParticleData( *(*trackParticleIterator) ).isFailure() ){
                                        msg(MSG::ERROR) << "Validation Ntuple Tool could not fill track data." << endmsg;
                                        return StatusCode::FAILURE;
                                    } // if StatusCode is FAILURE
     nTrkParticlesPerEvent += 1;
     
     if ( m_ValTrkParticleNtupleTool->writeRecord(m_trees[trackParticleColIndex + m_inputTrackCollection.size()]).isFailure() ){
                                        msg(MSG::ERROR) << "Validation Ntuple Tool could not write track data." << endmsg;
                                        return StatusCode::FAILURE;
        } 
    } // loop over Rec::TrackPartcielContainer
    
    // Record link between Event Property and Trk::TrackParticleBase information
    for (unsigned int toolIndex = 0 ; toolIndex < m_eventPropertyNtupleTools.size(); ++toolIndex ){ 
      if( m_eventPropertyNtupleTools[toolIndex]->isTrkParticleLinkTool() )
                     m_eventPropertyNtupleTools[toolIndex]->setTrackTreeIndices(trackParticleColIndex, trackTreeIndexBegin, nTrkParticlesPerEvent );
    }
 
    msg(MSG::DEBUG) <<"writeTrackParticleData successfully finished " << endmsg;
    return StatusCode::SUCCESS;
}