#include <InDetImprovedJetFitterVxFinder.h>

Inheritance diagram for InDet::InDetImprovedJetFitterVxFinder:

Collaboration diagram for InDet::InDetImprovedJetFitterVxFinder:

Public Member Functions
virtual StatusCode	initialize () override
	InDetImprovedJetFitterVxFinder (const std::string &t, const std::string &n, const IInterface *p)
	~InDetImprovedJetFitterVxFinder ()
virtual Trk::VxSecVertexInfo *	findSecVertex (const EventContext &ctx, const xAOD::Vertex &primaryVertex, const TLorentzVector &jetMomentum, const std::vector< const xAOD::IParticle * > &inputTracks) const override
virtual std::vector< std::string >	trackDecorationNames () const override
	Return a list of the names of track decorations created by this tool, in order to allow them to be locked when the calling algorithm completes.
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	sysInitialize () override
	Perform system initialization for an algorithm.
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
	DeclareInterfaceID (ISecVertexInJetFinder, 1, 0)

Protected Member Functions
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.

Private Types
typedef ServiceHandle< StoreGateSvc >	StoreGateSvc_t

Private Member Functions
void	sortTrackCollectionByPt (std::vector< const Trk::ITrackLink * > &) const
void	doTheFit (Trk::VxJetCandidate *myJetCandidate, bool performClustering=true) const
Gaudi::Details::PropertyBase &	declareGaudiProperty (Gaudi::Property< T, V, H > &hndl, const SG::VarHandleKeyType &)
	specialization for handling Gaudi::Property<SG::VarHandleKey>

Static Private Member Functions
static Trk::VxJetCandidate *	findSecVertex (const Trk::RecVertex &primaryVertex, const TLorentzVector &jetMomentum, const std::vector< const Trk::ITrackLink * > &firstInputTracks, const std::vector< const Trk::ITrackLink * > &secondInputTracks, const Amg::Vector3D &vtxSeedDirection)

Private Attributes
ToolHandle< JetFitterTrackSelectorTool >	m_theTrackSelector {this,"JetFitterTrackSelectorTool","JetFitterTrackSelectorTool/JetFitterTrackSelectorTool",""}
ToolHandle< JetFitterTwoTrackVtxFinderTool >	m_theTwoTrackVtxFinderTool {this,"JetFitterTwoTrackVtxFinderTool","JetFitterV0FinderTool/JetFitterTwoTrackVtxFinderTool",""}
ToolHandle< JetFitterV0FinderTool >	m_theV0FinderTool {this,"JetFitterV0FinderTool","JetFitterV0FinderTool/JetFitterV0FinderTool",""}
ToolHandle< JetFitterMultiStageFit >	m_multiStageFitter {this,"JetFitterMultiStageFit","JetFitterMultiStageFit/JetFitterMultiStageFit",""}
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

Definition at line 62 of file InDetImprovedJetFitterVxFinder.h.

Member Typedef Documentation

◆ StoreGateSvc_t

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

privateinherited

Definition at line 388 of file AthCommonDataStore.h.

Constructor & Destructor Documentation

◆ InDetImprovedJetFitterVxFinder()

InDet::InDetImprovedJetFitterVxFinder::InDetImprovedJetFitterVxFinder	(	const std::string &	t,
		const std::string &	n,
		const IInterface *	p )

Definition at line 86 of file InDetImprovedJetFitterVxFinder.cxx.

                                                                                                                             :
    AthAlgTool(t,n,p)
  { 
    // new package for hackathon
    declareInterface< ISecVertexInJetFinder >(this) ;
  }

◆ ~InDetImprovedJetFitterVxFinder()

InDet::InDetImprovedJetFitterVxFinder::~InDetImprovedJetFitterVxFinder ( )

default

Member Function Documentation

◆ declareGaudiProperty()

Gaudi::Details::PropertyBase & AthCommonDataStore< AthCommonMsg< AlgTool > >::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());
 
  }

◆ DeclareInterfaceID()

InDet::ISecVertexInJetFinder::DeclareInterfaceID	(	ISecVertexInJetFinder	,
		1	,
		0	)

inherited

◆ declareProperty()

Gaudi::Details::PropertyBase & AthCommonDataStore< AthCommonMsg< AlgTool > >::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< AlgTool > >::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< AlgTool > >::m_detStore

StoreGateSvc_t m_detStore

Definition AthCommonDataStore.h:393

◆ doTheFit()

void InDet::InDetImprovedJetFitterVxFinder::doTheFit	(	Trk::VxJetCandidate *	myJetCandidate,
		bool	performClustering = true ) const

private

Definition at line 223 of file InDetImprovedJetFitterVxFinder.cxx.

                                                               {
 
  }

◆ evtStore()

ServiceHandle< StoreGateSvc > & AthCommonDataStore< AthCommonMsg< AlgTool > >::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< AlgTool > >::m_evtStore

StoreGateSvc_t m_evtStore

Definition AthCommonDataStore.h:390

◆ extraDeps_update_handler()

void AthCommonDataStore< AthCommonMsg< AlgTool > >::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

◆ findSecVertex() [1/2]

Trk::VxSecVertexInfo * InDet::InDetImprovedJetFitterVxFinder::findSecVertex	(	const EventContext &	ctx,
		const xAOD::Vertex &	primaryVertex,
		const TLorentzVector &	jetMomentum,
		const std::vector< const xAOD::IParticle * > &	inputTracks ) const

overridevirtual

Implements InDet::ISecVertexInJetFinder.

Definition at line 123 of file InDetImprovedJetFitterVxFinder.cxx.

  {
    // This function when called performs JetFitter secondary vertex finding
    // It returns the JetFitter Vertex Info, VxJetFitterVertexInfo:
    // The VxJetCandidate, the TwoTrackVerticesInJet (V0s and neutrals), the selected tracks (primary and secondary)
    // So we need to do track selection, v0 finding, and then the fit with JetFitter.
 
//
//    // Initial track selection, track filter applied, separate primary and secondary tracks
    const Trk::SelectedTracksInJet* mySelectedTracksInJet = m_theTrackSelector->doTrackSelection( primaryVertex, jetMomentum, inputTracks );
 
    ATH_MSG_DEBUG( "the selected tracks now are " << mySelectedTracksInJet );
    std::vector< const Trk::ITrackLink* > primaryTracks = mySelectedTracksInJet->getPrimaryTrackLinks();
    std::vector< const Trk::ITrackLink* > secondaryTracks  = mySelectedTracksInJet->getSecondaryTrackLinks();
 
    // Two track vertex candidates
    const Trk::TwoTrackVerticesInJet* twoTrackVertexCandidates = m_theTwoTrackVtxFinderTool->doVertexFinding( ctx, primaryVertex, jetMomentum, secondaryTracks );
    const std::vector< const xAOD::Vertex* > vertexCandidates = twoTrackVertexCandidates->getTwoTrackVertice();
 
//    // V0 finding AND further track selection, these could even be further separated
//    // neutral identification, material interactions, ..., a lot is done here
    std::vector< const Trk::ITrackLink* > tracksToUseInFirstFit;
    std::vector< const Trk::ITrackLink* > tracksToUseInSecondFit;
    Amg::Vector3D JFseedDirection;
 
    const Trk::TwoTrackVerticesInJet* myTwoTrackVerticesInJet = m_theV0FinderTool->doV0Finding( primaryVertex, jetMomentum, secondaryTracks, vertexCandidates,
                                                tracksToUseInFirstFit, tracksToUseInSecondFit, JFseedDirection );
 
    // Sort track collection by pT
    ATH_MSG_DEBUG( "Sorting track collection (tracksToUseInFirstFit) by pT..." );
    sortTrackCollectionByPt( tracksToUseInFirstFit );
    ATH_MSG_DEBUG( "Sorting track collection (tracksToUseInSecondFit) by pT..." );
    sortTrackCollectionByPt( tracksToUseInSecondFit );
 
    delete twoTrackVertexCandidates;    
//
 
//    // One last complication, primaryVertex needs to be a different object (old edm)
//    // see lines 524-537 in old code and create primaryVertexRecVertex using the vertex edm factory
 
    Trk::RecVertex primaryVertexRecVertex( primaryVertex.position(),
                       primaryVertex.covariancePosition(),
                       primaryVertex.numberDoF(),
                       primaryVertex.chiSquared());
 
 
    // Refactoring: Instead at this point use JetFitterMultiStageFit:
    Trk::VxJetCandidate* myJetCandidate= m_multiStageFitter->doTwoStageFit(primaryVertexRecVertex,
                                                                           jetMomentum,
                                                                           tracksToUseInFirstFit,
                                                                           tracksToUseInSecondFit,
                                                                           JFseedDirection);
 
 
    if (myJetCandidate == nullptr) {
      ATH_MSG_DEBUG( "JetFitter multi stage fit returned 0" );
      return nullptr;
    }
    else {
      ATH_MSG_DEBUG( "USING JetFitterMultiStageFit return" );
    }
 
//    // Lastly create the jetfitter info, ('save' our results)
 
    std::vector<Trk::VxJetCandidate*> myCandidates;
    // This push_back is problematic for the migration to xAOD::Vertex, it works simply because VxJetCandidate inherits from VxCandidate
    myCandidates.push_back(myJetCandidate);
 
    Trk::VxJetFitterVertexInfo* myOutputInfo=new Trk::VxJetFitterVertexInfo(myCandidates,
                                                                            myTwoTrackVerticesInJet,
                                                                            mySelectedTracksInJet);
 
    myOutputInfo->setSVOwnership(true); 
    return myOutputInfo;
  }

◆ findSecVertex() [2/2]

Trk::VxJetCandidate * InDet::InDetImprovedJetFitterVxFinder::findSecVertex	(	const Trk::RecVertex &	primaryVertex,
		const TLorentzVector &	jetMomentum,
		const std::vector< const Trk::ITrackLink * > &	firstInputTracks,
		const std::vector< const Trk::ITrackLink * > &	secondInputTracks,
		const Amg::Vector3D &	vtxSeedDirection )

staticprivate

Definition at line 204 of file InDetImprovedJetFitterVxFinder.cxx.

  {
 
    // The overload is legacy. This is where we interface to JetFitter proper
    // m_jetFitterMultiStageFit->performTwoStageFit(const Trk::RecVertex & primaryVertex,
      //                                                  const TLorentzVector & jetMomentum,
      //                                                  const std::vector<const Trk::ITrackLink*> & firstInputTracks,
      //                                                  const std::vector<const Trk::ITrackLink*> & secondInputTracks,
      //                                                  const Amg::Vector3D & vtxSeedDirection
 
    // return myOutputInfo
    return nullptr;
    
  }

◆ initialize()

StatusCode InDet::InDetImprovedJetFitterVxFinder::initialize ( )

overridevirtual

Definition at line 97 of file InDetImprovedJetFitterVxFinder.cxx.

                                                        {
    
    if (m_theTrackSelector.retrieve().isFailure()) {
      msg(MSG::ERROR) << "Could not find TrackSelector tool." << endmsg;
      return StatusCode::FAILURE;
    } else msg(MSG::INFO) << " JetFitterTrackSelector retrieved" << endmsg;
    
    if (m_theTwoTrackVtxFinderTool.retrieve().isFailure()) {
      msg(MSG::ERROR) << "Could not find TwoTrackVtxFinder tool." << endmsg;
      return StatusCode::FAILURE;
    } else msg(MSG::INFO) << " JetFitterTwoTrackVtxFinder retrieved" << endmsg;
 
    if (m_theV0FinderTool.retrieve().isFailure()) {
      msg(MSG::ERROR) << "Could not find V0Finder tool." << endmsg;
      return StatusCode::FAILURE;
    } else msg(MSG::INFO) << " JetFitterV0Finder retrieved" << endmsg;
 
    if (m_multiStageFitter.retrieve().isFailure()) {
      msg(MSG::ERROR) << "Could not find JetFitterMultiStageFit tool." << endmsg;
      return StatusCode::FAILURE;
    } else msg(MSG::INFO) << " JetFitterMultiStageFit retrieved" << endmsg;
 
    return StatusCode::SUCCESS;
  }

◆ inputHandles()

virtual std::vector< Gaudi::DataHandle * > AthCommonDataStore< AthCommonMsg< AlgTool > >::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< AlgTool >::msg ( ) const

inlineinherited

Definition at line 24 of file AthCommonMsg.h.

                                {
    return this->msgStream();
  }

◆ msgLvl()

bool AthCommonMsg< AlgTool >::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< AlgTool > >::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< AlgTool > >::renounce ( T & h )

inlineprotectedinherited

Definition at line 380 of file AthCommonDataStore.h.

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

◆ renounceArray()

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

inlineprotectedinherited

remove all handles from I/O resolution

Definition at line 364 of file AthCommonDataStore.h.

                                                          {
    handlesArray.renounce();
  }

◆ sortTrackCollectionByPt()

void InDet::InDetImprovedJetFitterVxFinder::sortTrackCollectionByPt ( std::vector< const Trk::ITrackLink * > & trackCollection ) const

private

Definition at line 228 of file InDetImprovedJetFitterVxFinder.cxx.

                                                                                                                         {
 
    if ( trackCollection.empty() ) return;
 
    ATH_MSG_DEBUG("re-order the tracks by pT: " << 
          ( trackCollection.front()->parameters() )->pT() <<
          " -- " << 
          ( trackCollection.back()->parameters() )->pT()  );
 
    std::sort( trackCollection.begin(),
           trackCollection.end(),
           //Lambda func to sort by pt                                                                                                                                                                               
           [](const Trk::ITrackLink* TL1, const Trk::ITrackLink* TL2) {
         return ( (TL1->parameters())->pT() < (TL2->parameters())->pT() );
           } );
 
    ATH_MSG_DEBUG("after re-order the tracks by pT: " <<
          ( trackCollection.front()->parameters() )->pT() <<
          " -- " <<
          ( trackCollection.back()->parameters() )->pT()  );
    
  }

◆ sysInitialize()

virtual StatusCode AthCommonDataStore< AthCommonMsg< AlgTool > >::sysInitialize ( )

overridevirtualinherited

Perform system initialization for an algorithm.

We override this to declare all the elements of handle key arrays at the end of initialization. See comments on updateVHKA.

Reimplemented in asg::AsgMetadataTool, AthCheckedComponent< AthAlgTool >, AthCheckedComponent<::AthAlgTool >, and DerivationFramework::CfAthAlgTool.

◆ sysStart()

virtual StatusCode AthCommonDataStore< AthCommonMsg< AlgTool > >::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.

◆ trackDecorationNames()

std::vector< std::string > InDet::InDetImprovedJetFitterVxFinder::trackDecorationNames ( ) const

overridevirtual

Return a list of the names of track decorations created by this tool, in order to allow them to be locked when the calling algorithm completes.

Reimplemented from InDet::ISecVertexInJetFinder.

Definition at line 255 of file InDetImprovedJetFitterVxFinder.cxx.

  {
    return m_theTrackSelector->trackDecorationNames();
  }

◆ updateVHKA()

void AthCommonDataStore< AthCommonMsg< AlgTool > >::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_detStore

StoreGateSvc_t AthCommonDataStore< AthCommonMsg< AlgTool > >::m_detStore

privateinherited

Pointer to StoreGate (detector store by default).

Definition at line 393 of file AthCommonDataStore.h.

◆ m_evtStore

StoreGateSvc_t AthCommonDataStore< AthCommonMsg< AlgTool > >::m_evtStore

privateinherited

Pointer to StoreGate (event store by default).

Definition at line 390 of file AthCommonDataStore.h.

◆ m_multiStageFitter

ToolHandle< JetFitterMultiStageFit > InDet::InDetImprovedJetFitterVxFinder::m_multiStageFitter {this,"JetFitterMultiStageFit","JetFitterMultiStageFit/JetFitterMultiStageFit",""}

private

Definition at line 104 of file InDetImprovedJetFitterVxFinder.h.

104{this,"JetFitterMultiStageFit","JetFitterMultiStageFit/JetFitterMultiStageFit",""}; //Hackathon addition

◆ m_theTrackSelector

ToolHandle< JetFitterTrackSelectorTool > InDet::InDetImprovedJetFitterVxFinder::m_theTrackSelector {this,"JetFitterTrackSelectorTool","JetFitterTrackSelectorTool/JetFitterTrackSelectorTool",""}

private

Definition at line 101 of file InDetImprovedJetFitterVxFinder.h.

101{this,"JetFitterTrackSelectorTool","JetFitterTrackSelectorTool/JetFitterTrackSelectorTool",""}; //Hackathon addition

◆ m_theTwoTrackVtxFinderTool

ToolHandle< JetFitterTwoTrackVtxFinderTool > InDet::InDetImprovedJetFitterVxFinder::m_theTwoTrackVtxFinderTool {this,"JetFitterTwoTrackVtxFinderTool","JetFitterV0FinderTool/JetFitterTwoTrackVtxFinderTool",""}

private

Definition at line 102 of file InDetImprovedJetFitterVxFinder.h.

102{this,"JetFitterTwoTrackVtxFinderTool","JetFitterV0FinderTool/JetFitterTwoTrackVtxFinderTool",""}; //Hackathon addition

◆ m_theV0FinderTool

ToolHandle< JetFitterV0FinderTool > InDet::InDetImprovedJetFitterVxFinder::m_theV0FinderTool {this,"JetFitterV0FinderTool","JetFitterV0FinderTool/JetFitterV0FinderTool",""}

private

Definition at line 103 of file InDetImprovedJetFitterVxFinder.h.

103{this,"JetFitterV0FinderTool","JetFitterV0FinderTool/JetFitterV0FinderTool",""}; //Hackathon addition

◆ m_varHandleArraysDeclared

bool AthCommonDataStore< AthCommonMsg< AlgTool > >::m_varHandleArraysDeclared

privateinherited

Definition at line 399 of file AthCommonDataStore.h.

◆ m_vhka

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

privateinherited

Definition at line 398 of file AthCommonDataStore.h.

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

Public Member Functions

Protected Member Functions

Private Types

Private Member Functions

Static Private Member Functions

Private Attributes

Detailed Description

Member Typedef Documentation

◆ StoreGateSvc_t

Constructor & Destructor Documentation

◆ InDetImprovedJetFitterVxFinder()

◆ ~InDetImprovedJetFitterVxFinder()

Member Function Documentation

◆ declareGaudiProperty()

◆ DeclareInterfaceID()

◆ declareProperty()

◆ detStore()

◆ doTheFit()

◆ evtStore()

◆ extraDeps_update_handler()

◆ findSecVertex() [1/2]

◆ findSecVertex() [2/2]

◆ initialize()

◆ inputHandles()

◆ msg()

◆ msgLvl()

◆ outputHandles()

◆ renounce()

◆ renounceArray()

◆ sortTrackCollectionByPt()

◆ sysInitialize()

◆ sysStart()

◆ trackDecorationNames()

◆ updateVHKA()

Member Data Documentation

◆ m_detStore

◆ m_evtStore

◆ m_multiStageFitter

◆ m_theTrackSelector

◆ m_theTwoTrackVtxFinderTool

◆ m_theV0FinderTool

◆ m_varHandleArraysDeclared

◆ m_vhka