RefitTracksAndVertex Class Reference

#include <RefitTracksAndVertex.h>

Inheritance diagram for RefitTracksAndVertex:

Collaboration diagram for RefitTracksAndVertex:

Public Member Functions
	RefitTracksAndVertex (const std::string &name, ISvcLocator *pSvcLocator)
	The RefitTracksAndVertex is an implementation to add the so-called TRT momentum constraint on a track. More...
	~RefitTracksAndVertex ()
StatusCode	initialize ()
	initialize method of this algorithm. More...
StatusCode	execute ()
	execute method of this algorithm that is called for each event More...
StatusCode	finalize ()
	finalize method of this algorithm. More...
MsgStream &	dump (MsgStream &outst) const
virtual StatusCode	sysInitialize () override
	Override sysInitialize. More...
virtual const DataObjIDColl &	extraOutputDeps () const override
	Return the list of extra output dependencies. More...
ServiceHandle< StoreGateSvc > &	evtStore ()
	The standard StoreGateSvc (event store) Returns (kind of) a pointer to the StoreGateSvc. More...
const ServiceHandle< StoreGateSvc > &	evtStore () const
	The standard StoreGateSvc (event store) Returns (kind of) a pointer to the StoreGateSvc. More...
const ServiceHandle< StoreGateSvc > &	detStore () const
	The standard StoreGateSvc/DetectorStore Returns (kind of) a pointer to the StoreGateSvc. More...
virtual StatusCode	sysStart () override
	Handle START transition. More...
virtual std::vector< Gaudi::DataHandle * >	inputHandles () const override
	Return this algorithm's input handles. More...
virtual std::vector< Gaudi::DataHandle * >	outputHandles () const override
	Return this algorithm's output handles. More...
Gaudi::Details::PropertyBase &	declareProperty (Gaudi::Property< T > &t)
Gaudi::Details::PropertyBase *	declareProperty (const std::string &name, SG::VarHandleKey &hndl, const std::string &doc, const SG::VarHandleKeyType &)
	Declare a new Gaudi property. More...
Gaudi::Details::PropertyBase *	declareProperty (const std::string &name, SG::VarHandleBase &hndl, const std::string &doc, const SG::VarHandleType &)
	Declare a new Gaudi property. More...
Gaudi::Details::PropertyBase *	declareProperty (const std::string &name, SG::VarHandleKeyArray &hndArr, const std::string &doc, const SG::VarHandleKeyArrayType &)
Gaudi::Details::PropertyBase *	declareProperty (const std::string &name, T &property, const std::string &doc, const SG::NotHandleType &)
	Declare a new Gaudi property. More...
Gaudi::Details::PropertyBase *	declareProperty (const std::string &name, T &property, const std::string &doc="none")
	Declare a new Gaudi property. More...
void	updateVHKA (Gaudi::Details::PropertyBase &)
MsgStream &	msg () const
MsgStream &	msg (const MSG::Level lvl) const
bool	msgLvl (const MSG::Level lvl) const

Protected Member Functions
void	renounceArray (SG::VarHandleKeyArray &handlesArray)
	remove all handles from I/O resolution More...
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. More...

Private Types
typedef ServiceHandle< StoreGateSvc >	StoreGateSvc_t

Private Member Functions
bool	accept (const Trk::Track &track)
	Verifies if the given track passes the track selection criteria specified via the jobOptions. More...
const Trk::MeasurementSet	addPM (Trk::MeasurementSet &ms, const Trk::PseudoMeasurementOnTrack *pm)
	adds a PseudoMeasurement to a MeasurementSet More...
const Trk::PseudoMeasurementOnTrack *	createPMfromSi (const Trk::Perigee *mp)
	creates a PseudoMeasurement with (z0, theta) from extended track perigee parameters More...
Trk::Track *	fitSCTOnlyTrack (const Trk::Track *track)
	Strips of all TRT hits from the track and replaces them with a TRT momentum constraint from a the TRT segment belonging to the (extended) track (returns NULL in case of failure) More...
Gaudi::Details::PropertyBase &	declareGaudiProperty (Gaudi::Property< T > &hndl, const SG::VarHandleKeyType &)
	specialization for handling Gaudi::Property<SG::VarHandleKey> More...
Gaudi::Details::PropertyBase &	declareGaudiProperty (Gaudi::Property< T > &hndl, const SG::VarHandleKeyArrayType &)
	specialization for handling Gaudi::Property<SG::VarHandleKeyArray> More...
Gaudi::Details::PropertyBase &	declareGaudiProperty (Gaudi::Property< T > &hndl, const SG::VarHandleType &)
	specialization for handling Gaudi::Property<SG::VarHandleBase> More...
Gaudi::Details::PropertyBase &	declareGaudiProperty (Gaudi::Property< T > &t, const SG::NotHandleType &)
	specialization for handling everything that's not a Gaudi::Property<SG::VarHandleKey> or a <SG::VarHandleKeyArray> More...

Private Attributes
const AtlasDetectorID *	m_idHelper
	Detector ID helper. More...
std::string	m_vertexListInput
	Name of the TrackCollection (input) More...
std::string	m_trackListOutput
	Name of the TrackCollection (Output) More...
std::string	m_outputVertexContainerName
	Name of vertex container. More...
ToolHandle< Trk::ITrackFitter >	m_trackFitter
	The TrackFitter to refit the tracks (segment, momentum constraint) More...
ToolHandle< Trk::IVertexFitter >	m_vertexFitter
	The TrackFitter to refit the tracks (segment, momentum constraint) More...
bool	m_applyTrkSel
	apply a selection on tracks or not More...
bool	m_refitTracks
	refitTracks More...
bool	m_addPM
	apply a pseudo measurement based on the original track (theta,z0) More...
double	m_selPtMin
	minimal pT cut value for the TrackSelection More...
double	m_selEtaMin
	minimal eta cut value for the TrackSelection More...
double	m_selEtaMax
	maximal eta cut value for the TrackSelection More...
int	m_selNHitPIXMin
	minimal number of PIX hits cut value for the TrackSelection More...
int	m_selNHitSCTMin
	minimal number of SCT hits cut value for the TrackSelection More...
size_t	m_nTracksProcessed
	Counter for number of tracks processed. More...
size_t	m_nTracksPresel
	Counter for number of tracks passing the preselection. More...
size_t	m_nTracksAccepted
	Counter for number of tracks passing the preselection and with PM. More...
size_t	m_nRejectPIX
	Counter for number of tracks failing the min number of PIX hits req. More...
size_t	m_nRejectSCT
	Counter for number of tracks failing the min number of SCT hits req. More...
size_t	m_nRejectTRT
	Counter for number of tracks failing the min number of TRT hits req. More...
size_t	m_nRejectPM
	Counter for number of tracks failing the addition of a pseudo-measurement (PM) More...
DataObjIDColl	m_extendedExtraObjects
StoreGateSvc_t	m_evtStore
	Pointer to StoreGate (event store by default) More...
StoreGateSvc_t	m_detStore
	Pointer to StoreGate (detector store by default) More...
std::vector< SG::VarHandleKeyArray * >	m_vhka
bool	m_varHandleArraysDeclared

Detailed Description

Definition at line 31 of file RefitTracksAndVertex.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

RefitTracksAndVertex()

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

The RefitTracksAndVertex is an implementation to add the so-called TRT momentum constraint on a track.

It was developed in the context of alignment, and its main idea is that if the TRT is free from "weak modes", its curvature measurement can be added as a PseudoMeasurement (PM) to a Si-only track. This extra information, taken into account while refitting the Si-only part of the track or read in by the alignment algorithms directly, can serve to eliminate the alignment weak modes from the Si tracker of ATLAS. More details can be found at: https://twiki.cern.ch/twiki/bin/view/Atlas/TRTMomConstraint

Definition at line 27 of file RefitTracksAndVertex.cxx.

  : AthAlgorithm   (name, pSvcLocator)
  , m_idHelper(nullptr)
  , m_vertexListInput("PrimaryVertices")
  , m_trackListOutput("SiTracksWithRefitTracksAndVertex")
  , m_outputVertexContainerName("RefittedPrimaryVertex")
  , m_trackFitter("Trk::GlobalChi2Fitter/InDetTrackFitter")
  , m_vertexFitter("Trk::FullVertexFitter")
  , m_applyTrkSel(false)
  , m_refitTracks(true)
  , m_addPM(false)
  , m_selPtMin(0)
  , m_selEtaMin(-2.5)
  , m_selEtaMax(2.5)
  , m_selNHitPIXMin(0)
  , m_selNHitSCTMin(6)
  , m_nTracksProcessed(0)
  , m_nTracksPresel(0)
  , m_nTracksAccepted(0)
  , m_nRejectPIX(0)
  , m_nRejectSCT(0)
  , m_nRejectTRT(0)
  , m_nRejectPM(0)
{
  // declare algorithm parameters
  declareProperty("VertexListInput"     , m_vertexListInput) ;
  declareProperty("TrackListOutput"    , m_trackListOutput) ;
  declareProperty("OutputVertexContainer"        , m_outputVertexContainerName) ;
  declareProperty("TrackFitter"        , m_trackFitter) ;
  declareProperty("VertexFitterTool"   , m_vertexFitter);
  declareProperty("ApplyTrkSel"        , m_applyTrkSel) ;
  declareProperty("RefitTracks"        , m_refitTracks) ;
  declareProperty("AddPseudoMeasurement", m_addPM);
  declareProperty("SelPtMin"           , m_selPtMin) ;
  declareProperty("SelEtaMin"          , m_selEtaMin) ;
  declareProperty("SelEtaMax"          , m_selEtaMax) ;
  declareProperty("SelNHitPIXMin"      , m_selNHitPIXMin) ;
  declareProperty("SelNHitSCTMin"      , m_selNHitSCTMin) ;
 
}

~RefitTracksAndVertex()

RefitTracksAndVertex::~RefitTracksAndVertex

(

)

Definition at line 68 of file RefitTracksAndVertex.cxx.

{}

Member Function Documentation

accept()

bool RefitTracksAndVertex::accept ( const Trk::Track &  track )

private

Verifies if the given track passes the track selection criteria specified via the jobOptions.

addPM()

const Trk::MeasurementSet RefitTracksAndVertex::addPM ( Trk::MeasurementSet &  ms, const Trk::PseudoMeasurementOnTrack *  pm  )

private

adds a PseudoMeasurement to a MeasurementSet

Definition at line 237 of file RefitTracksAndVertex.cxx.

                                                                                                                  {
  Trk::MeasurementSet sortedMS ;
  sortedMS.push_back( pm ) ;
  for( int i=0, i_max=ms.size() ; i!=i_max ; ++i ) {
    sortedMS.push_back( ms[i] ) ;
  }
  return sortedMS ;
}

createPMfromSi()

const Trk::PseudoMeasurementOnTrack * RefitTracksAndVertex::createPMfromSi ( const Trk::Perigee *  mp )

private

creates a PseudoMeasurement with (z0, theta) from extended track perigee parameters

Definition at line 213 of file RefitTracksAndVertex.cxx.

                                                                                               {
  Trk::DefinedParameter z0   ( mp->parameters()[Trk::z0],    Trk::z0    ) ;
  Trk::DefinedParameter theta( mp->parameters()[Trk::theta], Trk::theta ) ;
  std::vector<Trk::DefinedParameter> defPar ;
  defPar.push_back( z0    ) ;
  defPar.push_back( theta ) ;
  if( !mp->covariance() )  return nullptr;
  Trk::LocalParameters  parFromSi( defPar ) ;
  AmgSymMatrix(2) covFromSi;
 
  covFromSi( 0, 0 ) = (*mp->covariance())( Trk::z0,Trk::z0 ) ;
  covFromSi( 1, 1 ) = (*mp->covariance())( Trk::theta,Trk::theta ) ;
  covFromSi( 1, 0 ) = (*mp->covariance())( Trk::z0, Trk::theta ) ;
  covFromSi( 0, 1 ) = (*mp->covariance())( Trk::z0, Trk::theta ) ;
 
  const Trk::Surface& mpSurf = mp->associatedSurface() ;
 
  Trk::PseudoMeasurementOnTrack *pm = new Trk::PseudoMeasurementOnTrack( std::move(parFromSi)
                                                                       , covFromSi
                                                                       , mpSurf
                                                                       ) ;
  return pm ;
}

declareGaudiProperty() [1/4]

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

inlineprivateinherited

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

Definition at line 170 of file AthCommonDataStore.h.

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

declareGaudiProperty() [2/4]

Gaudi::Details::PropertyBase& AthCommonDataStore< AthCommonMsg< Algorithm > >::declareGaudiProperty ( Gaudi::Property< T > &  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());
 
  }

declareGaudiProperty() [3/4]

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

inlineprivateinherited

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

Definition at line 184 of file AthCommonDataStore.h.

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

declareGaudiProperty() [4/4]

Gaudi::Details::PropertyBase& AthCommonDataStore< AthCommonMsg< Algorithm > >::declareGaudiProperty ( Gaudi::Property< T > &  t, const SG::NotHandleType &    )

inlineprivateinherited

specialization for handling everything that's not a Gaudi::Property<SG::VarHandleKey> or a <SG::VarHandleKeyArray>

Definition at line 199 of file AthCommonDataStore.h.

  {
    return PBASE::declareProperty(t);
  }

declareProperty() [1/6]

Gaudi::Details::PropertyBase* AthCommonDataStore< AthCommonMsg< Algorithm > >::declareProperty ( const std::string &  name, SG::VarHandleBase &  hndl, const std::string &  doc, const SG::VarHandleType &    )

inlineinherited

Declare a new Gaudi property.

Parameters

name	Name of the property.
hndl	Object holding the property value.
doc	Documentation string for the property.

This is the version for types that derive from SG::VarHandleBase. The property value object is put on the input and output lists as appropriate; then we forward to the base class.

Definition at line 245 of file AthCommonDataStore.h.

  {
    this->declare(hndl.vhKey());
    hndl.vhKey().setOwner(this);
 
    return PBASE::declareProperty(name,hndl,doc);
  }

declareProperty() [2/6]

Gaudi::Details::PropertyBase* AthCommonDataStore< AthCommonMsg< Algorithm > >::declareProperty ( const std::string &  name, SG::VarHandleKey &  hndl, const std::string &  doc, const SG::VarHandleKeyType &    )

inlineinherited

Declare a new Gaudi property.

Parameters

name	Name of the property.
hndl	Object holding the property value.
doc	Documentation string for the property.

This is the version for types that derive from SG::VarHandleKey. The property value object is put on the input and output lists as appropriate; then we forward to the base class.

Definition at line 221 of file AthCommonDataStore.h.

  {
    this->declare(hndl);
    hndl.setOwner(this);
 
    return PBASE::declareProperty(name,hndl,doc);
  }

declareProperty() [3/6]

Gaudi::Details::PropertyBase* AthCommonDataStore< AthCommonMsg< Algorithm > >::declareProperty ( const std::string &  name, SG::VarHandleKeyArray &  hndArr, const std::string &  doc, const SG::VarHandleKeyArrayType &    )

inlineinherited

Definition at line 259 of file AthCommonDataStore.h.

  {
 
    // std::ostringstream ost;
    // ost << Algorithm::name() << " VHKA declareProp: " << name 
    //     << " size: " << hndArr.keys().size() 
    //     << " mode: " << hndArr.mode() 
    //     << "  vhka size: " << m_vhka.size()
    //     << "\n";
    // debug() << ost.str() << endmsg;
 
    hndArr.setOwner(this);
    m_vhka.push_back(&hndArr);
 
    Gaudi::Details::PropertyBase* p =  PBASE::declareProperty(name, hndArr, doc);
    if (p != 0) {
      p->declareUpdateHandler(&AthCommonDataStore<PBASE>::updateVHKA, this);
    } else {
      ATH_MSG_ERROR("unable to call declareProperty on VarHandleKeyArray " 
                    << name);
    }
 
    return p;
 
  }

declareProperty() [4/6]

Gaudi::Details::PropertyBase* AthCommonDataStore< AthCommonMsg< Algorithm > >::declareProperty ( const std::string &  name, T &  property, const std::string &  doc, const SG::NotHandleType &    )

inlineinherited

Declare a new Gaudi property.

Parameters

name	Name of the property.
property	Object holding the property value.
doc	Documentation string for the property.

This is the generic version, for types that do not derive from SG::VarHandleKey. It just forwards to the base class version of declareProperty.

Definition at line 333 of file AthCommonDataStore.h.

  {
    return PBASE::declareProperty(name, property, doc);
  }

declareProperty() [5/6]

Gaudi::Details::PropertyBase* AthCommonDataStore< AthCommonMsg< Algorithm > >::declareProperty ( const std::string &  name, T &  property, const std::string &  doc = "none"  )

inlineinherited

Declare a new Gaudi property.

Parameters

name	Name of the property.
property	Object holding the property value.
doc	Documentation string for the property.

This dispatches to either the generic declareProperty or the one for VarHandle/Key/KeyArray.

Definition at line 352 of file AthCommonDataStore.h.

  {
    typedef typename SG::HandleClassifier<T>::type htype;
    return declareProperty (name, property, doc, htype());
  }

declareProperty() [6/6]

Gaudi::Details::PropertyBase& AthCommonDataStore< AthCommonMsg< Algorithm > >::declareProperty ( Gaudi::Property< T > &  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.

{ return m_detStore; }

dump()

MsgStream & RefitTracksAndVertex::dump

(

MsgStream &

outst

)

const

Definition at line 345 of file RefitTracksAndVertex.cxx.

                                                              {
  outst << std::endl ;
  outst << "|-------------------------------------------------------------------";
  outst << "-----------------------------|" << std::endl ;
  outst << "|  processed                      : "
        << std::setw(7) << m_nTracksProcessed
        << " tracks                                               |"
        << std::endl ;
  outst << "|  accepted by track presel.      : "
        << std::setw(7) << m_nTracksPresel
        << " tracks                                               |"
        << std::endl ;
  outst << "|  accepted by track presel. + PM : "
        << std::setw(7) << m_nTracksAccepted
        << " tracks                                               |"
        << std::endl ;
  outst << "| ------------------------------------------------------------------";
  outst << "---------------------------- |" << std::endl ;
  outst << "|  reject by # PIX hits           : "
        << std::setw(7) << m_nRejectPIX
        << " tracks                                               |"
        << std::endl ;
  outst << "|  reject by # SCT hits           : "
        << std::setw(7) << m_nRejectSCT
        << " tracks                                               |"
        << std::endl ;
  outst << "|  reject by # TRT hits           : "
        << std::setw(7) << m_nRejectTRT
        << " tracks                                               |"
        << std::endl ;
  outst << "| ------------------------------------------------------------------";
  outst << "---------------------------- |" << std::endl ;
  outst << "|  reject by exist. PM(TRT)       : "
        << std::setw(7) << m_nRejectPM
        << " tracks                                               |"
        << std::endl ;
  outst << "|-------------------------------------------------------------------";
  outst << "-----------------------------|" << std::endl ;
  return outst ;
}

evtStore() [1/2]

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.

{ return m_evtStore; }

evtStore() [2/2]

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

inlineinherited

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

Definition at line 90 of file AthCommonDataStore.h.

{ return m_evtStore; }

execute()

StatusCode RefitTracksAndVertex::execute

(

)

execute method of this algorithm that is called for each event

Definition at line 123 of file RefitTracksAndVertex.cxx.

                                         {
 
  TrackCollection* outputtracks = new TrackCollection() ;
 
  //---------------------------
  // Primary Vertex
  //---------------------------
  const xAOD::VertexContainer* vertices = nullptr;
  if ( !evtStore()->retrieve( vertices, m_vertexListInput ).isSuccess() ){ // retrieve arguments: container type, container key
    ATH_MSG_WARNING("execute() Failed to retrieve Reconstructed vertex container. " << m_vertexListInput );
    //ATH_MSG_ERROR(evtStore()->dump());
    delete outputtracks;
    return StatusCode::SUCCESS; //?? really
  }
 
  if( evtStore()->record( outputtracks, m_trackListOutput ).isFailure() ) {
    ATH_MSG_ERROR( "Failed to record trackcollection with name " << m_trackListOutput );
  }
 
  xAOD::VertexContainer* theVertexContainer = new xAOD::VertexContainer;
  xAOD::VertexAuxContainer* theVertexAuxContainer = new xAOD::VertexAuxContainer;
  theVertexContainer->setStore( theVertexAuxContainer );
 
  CHECK( evtStore()->record(theVertexContainer,  m_outputVertexContainerName) );
  CHECK( evtStore()->record(theVertexAuxContainer, m_outputVertexContainerName + "Aux.") );
 
  const xAOD::Vertex* primaryVertex = nullptr;
  for( const xAOD::Vertex* vertex: *vertices ) {
    if( vertex->vertexType() == xAOD::VxType::PriVtx ) {
      primaryVertex = vertex;
      break;
    }
  }
 
  std::vector< const Trk::TrackParameters*  > trackParametersToFit;
 
  // Check we have found a PV
  if( primaryVertex ){
    if(primaryVertex->nTrackParticles() < 2)
      return StatusCode::SUCCESS;
 
    //Loop over all tracks in the PV
    for(unsigned int i =0; i< primaryVertex->nTrackParticles(); ++i ){
      auto trackParticle  = primaryVertex->trackParticle( i );
      auto track =   trackParticle->track();
      // Check that there is Trk::Track
      if(track){
        //Refit Track using on the SCT hits
        if(m_refitTracks){
          auto newTrack = fitSCTOnlyTrack( track ) ;
          if(newTrack){
            outputtracks->push_back( newTrack ) ;
            if(newTrack->perigeeParameters())
              trackParametersToFit.push_back( newTrack->perigeeParameters() );
          }
        } else {
          if(track->perigeeParameters())
            trackParametersToFit.push_back( track->perigeeParameters() );
        }
      }
    }
    m_nTracksProcessed += primaryVertex->nTrackParticles() ;
    m_nTracksAccepted  += outputtracks->size() ;
    // Make sure there are at least 2 tracks to fit in the vertex fit
 
    ATH_MSG_DEBUG(" From: " << primaryVertex->nTrackParticles()  << " tracks " << trackParametersToFit.size() << " will be used" );
 
    if(trackParametersToFit.size() > 1){
 
      Amg::Vector3D position = primaryVertex->position();
      // Fit and store vertex
      auto vertex =  m_vertexFitter->fit(trackParametersToFit, position );
      if(vertex){
        theVertexContainer->push_back (vertex);
        vertex->setVertexType(xAOD::VxType::PriVtx);
 
        ATH_MSG_DEBUG("Old Vtx " << primaryVertex->position());
        ATH_MSG_DEBUG("New Vtx " << vertex->position());
      }
    }
  }
 
 
 
 
 
  return StatusCode::SUCCESS;
} // execute(.)

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 RefitTracksAndVertex::finalize

(

)

finalize method of this algorithm.

Prints out a summary of all events

Definition at line 118 of file RefitTracksAndVertex.cxx.

                                          {
  ATH_MSG_DEBUG( (*this) ) ;
  return StatusCode::SUCCESS;
}

fitSCTOnlyTrack()

Trk::Track * RefitTracksAndVertex::fitSCTOnlyTrack ( const Trk::Track *  track )

private

Strips of all TRT hits from the track and replaces them with a TRT momentum constraint from a the TRT segment belonging to the (extended) track (returns NULL in case of failure)

Definition at line 246 of file RefitTracksAndVertex.cxx.

                                                                     {
  Trk::MeasurementSet setSCT ;
  Trk::MeasurementSet setPix ;
  Trk::MeasurementSet setTRT ;
 
  const Trk::Perigee* perTrk = track->perigeeParameters();
  if( !perTrk ) {
    ATH_MSG_WARNING("RefitTracksAndVertex() : No Perigee parameter on track!");
    return nullptr ;
  }
 
  if( perTrk->eta() < m_selEtaMin || perTrk->eta() > m_selEtaMax)
    return nullptr ;
 
  if( perTrk->pT() < m_selPtMin)
    return nullptr ;
 
 
  //store all silicon measurements into the measurementset
  DataVector<const Trk::MeasurementBase>::const_iterator it      = track->measurementsOnTrack()->begin();
  DataVector<const Trk::MeasurementBase>::const_iterator itEnd   = track->measurementsOnTrack()->end();
  for ( ; it!=itEnd; ++it){
    if( !(*it) ) {
      //      log (MSG::WARNING) << "The MeasurementBase set has a void"
      //    << "  member! Skip it.." << endmsg;
    } else {
      const Trk::RIO_OnTrack* rio = dynamic_cast <const Trk::RIO_OnTrack*>(*it);
      if (rio != nullptr) {
        const Identifier& surfaceID = (rio->identify()) ;
        if( m_idHelper->is_sct(surfaceID) ) {
          setSCT.push_back ( *it ) ;
        } else if( m_idHelper->is_trt(surfaceID) ) {
          setTRT.push_back ( *it ) ;
        } else if( m_idHelper->is_pixel(surfaceID) ){
          setPix.push_back ( *it ) ;
        }
      }
    }
  }
 
  if( (int)setSCT.size() <  m_selNHitSCTMin )
    return nullptr;
 
  ATH_MSG_DEBUG("RefitTracksAndVertex() : Found " << setSCT.size()  << " SCT measurm's!" ) ;
  ATH_MSG_DEBUG("RefitTracksAndVertex() : Found " << setPix.size()  << " Pix measurm's!" ) ;
  ATH_MSG_DEBUG("RefitTracksAndVertex() : Found " << setTRT.size()  << " TRT measurm's!") ;
 
 
  ATH_MSG_DEBUG( std::setiosflags( std::ios::scientific )) ;
  ATH_MSG_DEBUG (std::setprecision( 7 )) ;
  ATH_MSG_VERBOSE( std::setiosflags( std::ios::scientific )) ;
  ATH_MSG_VERBOSE( std::setprecision( 7 )) ;
 
  // now add z_0 and theta from original track as PseudoMeas to the TRT MeasurementSet
  if(m_addPM){
    const Trk::PseudoMeasurementOnTrack *pmFromSi = createPMfromSi( perTrk ) ;
    if( !pmFromSi ) {
      ATH_MSG_ERROR("RefitTracksAndVertex() : PseudoMeasurementOnTrack creation failed! " );
      return nullptr ;
    }
    ATH_MSG_DEBUG( "RefitTracksAndVertex() : pmFromSi " << *pmFromSi) ;
    Trk::MeasurementSet setSCT = addPM( setSCT, pmFromSi ) ;
  }
 
  // Add TRT hits as they do no harm
  for( int i=0, i_max=setTRT.size() ; i!=i_max ; ++i ) {
    setSCT.push_back( setTRT[i] ) ;
  }
 
  ATH_MSG_VERBOSE ( "RefitTracksAndVertex() : Si+PM MeasurementSet : " );
  for( int i=0, i_max=setSCT.size() ; i!=i_max ; ++i ) {
    ATH_MSG_VERBOSE ("============== i=" << i << " =============");
    ATH_MSG_VERBOSE ( *(setSCT[i]));
  }
   ATH_MSG_VERBOSE ("==========================================");
 
  // fit TRT part of the track with PseudoMeas on z_0, theta
  Trk::Track* trkSCT=(m_trackFitter->fit(Gaudi::Hive::currentContext()
                                       ,setSCT
                                       , *perTrk
                                       , true
                                       , Trk::pion
                                       //, Trk::muon
                                       //, Trk::nonInteracting
                                       )).release() ;
  if( !trkSCT ) {
    ATH_MSG_DEBUG( "RefitTracksAndVertex() : Fit of SCT part of the track failed! " ) ;
    return nullptr ;
  }
  const Trk::Perigee* perSCT = trkSCT->perigeeParameters();
  ATH_MSG_VERBOSE( "RefitTracksAndVertex() : perSCT " << *perSCT) ;
 
  return trkSCT;
}

initialize()

StatusCode RefitTracksAndVertex::initialize

(

)

initialize method of this algorithm.

Definition at line 70 of file RefitTracksAndVertex.cxx.

                                            {
  //retrieve the DetectorStore service
  StatusCode status=detStore().retrieve() ;
  if( status.isFailure() ) {
    ATH_MSG_FATAL(  "DetectorStore service not found !" );
    return status;
  }else{
    ATH_MSG_DEBUG( "DetectorStore retrieved!" );
  }
 
  if (detStore()->retrieve(m_idHelper, "AtlasID").isFailure()) {
    ATH_MSG_FATAL(  "Could not get AtlasDetectorID helper" );
    return StatusCode::FAILURE;
  }
 
  // Set up fitter
  status = m_trackFitter.retrieve();
  if (status.isFailure()) {
    ATH_MSG_FATAL( "Could not find tool " << m_trackFitter << ". Exiting.");
    return status ;
  } else {
    ATH_MSG_DEBUG( " Got " << m_trackFitter << " as TrackFitter. " ) ;
  }
 
 // Set up fitter
  status = m_vertexFitter.retrieve();
  if (status.isFailure()) {
    ATH_MSG_FATAL( "Could not find tool " << m_vertexFitter << ". Exiting.");
    return status ;
  } else {
    ATH_MSG_DEBUG( " Got " << m_vertexFitter << " as VertexFitter. " ) ;
  }
 
  // Print input properties
  if( m_applyTrkSel ) {
    ATH_MSG_DEBUG(
             "Track selection will be applied:"
          << "\n " << m_selEtaMin << " < eta < " << m_selEtaMax
          << "\n pT                            >  " << m_selPtMin/Gaudi::Units::GeV << " GeV"
          << "\n number_of_PIXEL_hits          >= " << m_selNHitPIXMin
          << "\n number_of_SCT_hits            >= " << m_selNHitSCTMin
                ) ;
  } else {
    ATH_MSG_DEBUG( "NO selection will be applied to tracks" ) ;
  }
  return StatusCode::SUCCESS;
} // initialize(.)

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() [1/2]

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

inlineinherited

Definition at line 24 of file AthCommonMsg.h.

                                {
    return this->msgStream();
  }

msg() [2/2]

MsgStream& AthCommonMsg< Algorithm >::msg ( const MSG::Level  lvl ) const

inlineinherited

Definition at line 27 of file AthCommonMsg.h.

                                                  {
    return this->msgStream(lvl);
  }

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, PyAthena::Alg, and AthHistogramAlgorithm.

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);
      }
    }
  }

Member Data Documentation

m_addPM

bool RefitTracksAndVertex::m_addPM

private

apply a pseudo measurement based on the original track (theta,z0)

Definition at line 73 of file RefitTracksAndVertex.h.

m_applyTrkSel

bool RefitTracksAndVertex::m_applyTrkSel

private

apply a selection on tracks or not

Definition at line 71 of file RefitTracksAndVertex.h.

m_detStore

StoreGateSvc_t AthCommonDataStore< AthCommonMsg< Algorithm > >::m_detStore

privateinherited

Pointer to StoreGate (detector store by default)

Definition at line 393 of file AthCommonDataStore.h.

m_evtStore

StoreGateSvc_t AthCommonDataStore< AthCommonMsg< Algorithm > >::m_evtStore

privateinherited

Pointer to StoreGate (event store by default)

Definition at line 390 of file AthCommonDataStore.h.

m_extendedExtraObjects

DataObjIDColl AthAlgorithm::m_extendedExtraObjects

privateinherited

Definition at line 79 of file AthAlgorithm.h.

m_idHelper

const AtlasDetectorID* RefitTracksAndVertex::m_idHelper

private

Detector ID helper.

Definition at line 60 of file RefitTracksAndVertex.h.

m_nRejectPIX

size_t RefitTracksAndVertex::m_nRejectPIX

private

Counter for number of tracks failing the min number of PIX hits req.

Definition at line 82 of file RefitTracksAndVertex.h.

m_nRejectPM

size_t RefitTracksAndVertex::m_nRejectPM

private

Counter for number of tracks failing the addition of a pseudo-measurement (PM)

Definition at line 85 of file RefitTracksAndVertex.h.

m_nRejectSCT

size_t RefitTracksAndVertex::m_nRejectSCT

private

Counter for number of tracks failing the min number of SCT hits req.

Definition at line 83 of file RefitTracksAndVertex.h.

m_nRejectTRT

size_t RefitTracksAndVertex::m_nRejectTRT

private

Counter for number of tracks failing the min number of TRT hits req.

Definition at line 84 of file RefitTracksAndVertex.h.

m_nTracksAccepted

size_t RefitTracksAndVertex::m_nTracksAccepted

private

Counter for number of tracks passing the preselection and with PM.

Definition at line 81 of file RefitTracksAndVertex.h.

m_nTracksPresel

size_t RefitTracksAndVertex::m_nTracksPresel

private

Counter for number of tracks passing the preselection.

Definition at line 80 of file RefitTracksAndVertex.h.

m_nTracksProcessed

size_t RefitTracksAndVertex::m_nTracksProcessed

private

Counter for number of tracks processed.

Definition at line 79 of file RefitTracksAndVertex.h.

m_outputVertexContainerName

std::string RefitTracksAndVertex::m_outputVertexContainerName

private

Name of vertex container.

Definition at line 66 of file RefitTracksAndVertex.h.

m_refitTracks

bool RefitTracksAndVertex::m_refitTracks

private

refitTracks

Definition at line 72 of file RefitTracksAndVertex.h.

m_selEtaMax

double RefitTracksAndVertex::m_selEtaMax

private

maximal eta cut value for the TrackSelection

Definition at line 76 of file RefitTracksAndVertex.h.

m_selEtaMin

double RefitTracksAndVertex::m_selEtaMin

private

minimal eta cut value for the TrackSelection

Definition at line 75 of file RefitTracksAndVertex.h.

m_selNHitPIXMin

int RefitTracksAndVertex::m_selNHitPIXMin

private

minimal number of PIX hits cut value for the TrackSelection

Definition at line 77 of file RefitTracksAndVertex.h.

m_selNHitSCTMin

int RefitTracksAndVertex::m_selNHitSCTMin

private

minimal number of SCT hits cut value for the TrackSelection

Definition at line 78 of file RefitTracksAndVertex.h.

m_selPtMin

double RefitTracksAndVertex::m_selPtMin

private

minimal pT cut value for the TrackSelection

Definition at line 74 of file RefitTracksAndVertex.h.

m_trackFitter

ToolHandle<Trk::ITrackFitter> RefitTracksAndVertex::m_trackFitter

private

The TrackFitter to refit the tracks (segment, momentum constraint)

Definition at line 67 of file RefitTracksAndVertex.h.

m_trackListOutput

std::string RefitTracksAndVertex::m_trackListOutput

private

Name of the TrackCollection (Output)

Definition at line 65 of file RefitTracksAndVertex.h.

m_varHandleArraysDeclared

bool AthCommonDataStore< AthCommonMsg< Algorithm > >::m_varHandleArraysDeclared

privateinherited

Definition at line 399 of file AthCommonDataStore.h.

m_vertexFitter

ToolHandle<Trk::IVertexFitter> RefitTracksAndVertex::m_vertexFitter

private

The TrackFitter to refit the tracks (segment, momentum constraint)

Definition at line 68 of file RefitTracksAndVertex.h.

m_vertexListInput

std::string RefitTracksAndVertex::m_vertexListInput

private

Name of the TrackCollection (input)

Definition at line 61 of file RefitTracksAndVertex.h.

m_vhka

std::vector<SG::VarHandleKeyArray*> AthCommonDataStore< AthCommonMsg< Algorithm > >::m_vhka

privateinherited

Definition at line 398 of file AthCommonDataStore.h.

---

The documentation for this class was generated from the following files:

• RefitTracksAndVertex.h
• RefitTracksAndVertex.cxx