Links tracks based on a filter criterion. It is based on the TrackLinker in the TF_CDC package. More...

#include <CosmicsTrackMergerFindlet.h>

Inheritance diagram for CosmicsTrackMergerFindlet:

Public Types
using	IOTypes = std::tuple< AIOTypes... >
	Types that should be served to apply on invocation.

using	IOVectors = std::tuple< std::vector< AIOTypes >... >
	Vector types that should be served to apply on invocation.

Public Member Functions
	CosmicsTrackMergerFindlet ()
	Constructor adding the filter as a subordinary processing signal listener.

std::string	getDescription () final
	Short description of the findlet.

void	exposeParameters (ModuleParamList *moduleParamList, const std::string &prefix) final
	Expose the parameters to a module.

void	initialize () final
	Init the store arrays.

void	apply () final
	Main algorithm.

virtual void	apply (ToVector< AIOTypes > &... ioVectors)=0
	Main function executing the algorithm.

void	beginRun () override
	Receive and dispatch signal for the beginning of a new run.

void	beginEvent () override
	Receive and dispatch signal for the start of a new event.

void	endRun () override
	Receive and dispatch signal for the end of the run.

void	terminate () override
	Receive and dispatch Signal for termination of the event processing.

Protected Types
using	ToVector = typename ToVectorImpl< T >::Type
	Short hand for ToRangeImpl.

Protected Member Functions
void	addProcessingSignalListener (ProcessingSignalListener *psl)
	Register a processing signal listener to be notified.

int	getNProcessingSignalListener ()
	Get the number of currently registered listeners.

Private Types
using	Super = TrackFindingCDC::Findlet<>
	Type of the base class.

Private Attributes
TrackFindingCDC::WeightedRelationCreator< const CellularRecoTrack, PhiRecoTrackRelationFilter >	m_trackRelationCreator
	Creator of the track relations for linking.

TrackFindingCDC::MultipassCellularPathFinder< const CellularRecoTrack >	m_cellularPathFinder
	Instance of the cellular automaton path finder.

std::vector< TrackFindingCDC::WeightedRelation< const CellularRecoTrack > >	m_trackRelations
	Memory for the relations between tracks to be followed on linking.

std::vector< TrackFindingCDC::Path< const CellularRecoTrack > >	m_trackPaths
	Memory for the track paths generated from the graph.

std::vector< CellularRecoTrack >	m_inputTrackVector
	Storage for the input tracks.

StoreArray< RecoTrack >	m_outputTracks
	StoreArray for the output tracks.

StoreArray< RecoTrack >	m_inputTracks
	StoreArray for the input tracks.

std::string	m_param_inputRecoTracks = "UnmergedRecoTracks"
	Parameter for the input reco tracks.

std::string	m_param_outputRecoTracks = "RecoTracks"
	Parameter for the output reco tracks.

std::vector< ProcessingSignalListener * >	m_subordinaryProcessingSignalListeners
	References to subordinary signal processing listener contained in this findlet.

bool	m_initialized = false
	Flag to keep track whether initialization happened before.

bool	m_terminated = false
	Flag to keep track whether termination happened before.

std::string	m_initializedAs
	Name of the type during initialisation.

Detailed Description

Links tracks based on a filter criterion. It is based on the TrackLinker in the TF_CDC package.

Definition at line 29 of file CosmicsTrackMergerFindlet.h.

Member Typedef Documentation

◆ IOTypes

using IOTypes = std::tuple<AIOTypes...>

inherited

Types that should be served to apply on invocation.

Definition at line 30 of file Findlet.h.

◆ IOVectors

using IOVectors = std::tuple< std::vector<AIOTypes>... >

inherited

Vector types that should be served to apply on invocation.

Definition at line 53 of file Findlet.h.

◆ Super

using Super = TrackFindingCDC::Findlet<>

private

Type of the base class.

Definition at line 32 of file CosmicsTrackMergerFindlet.h.

◆ ToVector

using ToVector = typename ToVectorImpl<T>::Type

protectedinherited

Short hand for ToRangeImpl.

Definition at line 49 of file Findlet.h.

Constructor & Destructor Documentation

◆ CosmicsTrackMergerFindlet()

CosmicsTrackMergerFindlet ( )

Constructor adding the filter as a subordinary processing signal listener.

Definition at line 16 of file CosmicsTrackMergerFindlet.cc.

{
  this->addProcessingSignalListener(&m_trackRelationCreator);
}

Member Function Documentation

◆ addProcessingSignalListener()

void addProcessingSignalListener ( ProcessingSignalListener * psl )

protectedinherited

Register a processing signal listener to be notified.

Definition at line 55 of file CompositeProcessingSignalListener.cc.

{
  m_subordinaryProcessingSignalListeners.push_back(psl);
}

◆ apply()

void apply ( )

final

Main algorithm.

Definition at line 47 of file CosmicsTrackMergerFindlet.cc.

{
  m_inputTrackVector.clear();
 
  // Read the tracks from the Store Array
  for (const RecoTrack& recoTrack : m_inputTracks) {
    m_inputTrackVector.emplace_back(&recoTrack);
  }
 
  std::sort(m_inputTrackVector.begin(), m_inputTrackVector.end());
 
  // Obtain the tracks as pointers
  std::vector<const CellularRecoTrack*> trackPtrs = as_pointers<const CellularRecoTrack>(m_inputTrackVector);
 
  // Create linking relations
  m_trackRelations.clear();
  m_trackRelationCreator.apply(trackPtrs, m_trackRelations);
 
  // Find linking paths
  m_trackPaths.clear();
  m_cellularPathFinder.apply(trackPtrs, m_trackRelations, m_trackPaths);
 
  // Write out the tracks to the data store
  // TODO: other possibility would be to use relations for this!
  // One would need to extend the RelatedTrackCombiner for this
  for (const std::vector<const CellularRecoTrack*>& trackPath : m_trackPaths) {
    // We use the first track to give us the momentum seed etc.
    const RecoTrack* firstTrack = *(trackPath.front());
    RecoTrack* newRecoTrack = firstTrack->copyToStoreArray(m_outputTracks);
 
    unsigned int numberOfAddedHits = 0;
    for (const CellularRecoTrack* cellularRecoTrack : trackPath) {
      numberOfAddedHits += newRecoTrack->addHitsFromRecoTrack(*cellularRecoTrack, numberOfAddedHits);
    }
  }
}

◆ beginEvent()

void beginEvent ( )

overridevirtualinherited

Receive and dispatch signal for the start of a new event.

Reimplemented from ProcessingSignalListener.

Definition at line 31 of file CompositeProcessingSignalListener.cc.

{
  Super::beginEvent();
  for (ProcessingSignalListener* psl : m_subordinaryProcessingSignalListeners) {
    psl->beginEvent();
  }
}

◆ beginRun()

void beginRun ( )

overridevirtualinherited

Receive and dispatch signal for the beginning of a new run.

Reimplemented from ProcessingSignalListener.

Reimplemented in LayerRelationFilter< AFilter >, FourHitFilter, QualityIndicatorFilter, ThreeHitFilter, TwoHitVirtualIPFilter, TwoHitVirtualIPQIFilter, RecoTrackStorer, ROIFinder, SpacePointLoaderAndPreparer, and TrackCandidateResultRefiner.

Definition at line 23 of file CompositeProcessingSignalListener.cc.

{
  Super::beginRun();
  for (ProcessingSignalListener* psl : m_subordinaryProcessingSignalListeners) {
    psl->beginRun();
  }
}

◆ endRun()

void endRun ( )

overridevirtualinherited

Receive and dispatch signal for the end of the run.

Reimplemented from ProcessingSignalListener.

Definition at line 39 of file CompositeProcessingSignalListener.cc.

{
  for (ProcessingSignalListener* psl : reversedRange(m_subordinaryProcessingSignalListeners)) {
    psl->endRun();
  }
  Super::endRun();
}

◆ exposeParameters()

void exposeParameters	(	ModuleParamList *	moduleParamList,
		const std::string &	prefix
	)

finalvirtual

Expose the parameters to a module.

Reimplemented from Findlet<>.

Definition at line 26 of file CosmicsTrackMergerFindlet.cc.

{
  m_trackRelationCreator.exposeParameters(moduleParamList, prefix);
  m_cellularPathFinder.exposeParameters(moduleParamList, prefix);
 
  moduleParamList->addParameter("inputRecoTracks", m_param_inputRecoTracks,
                                "Store Array name of the input reco tracks.", m_param_inputRecoTracks);
  moduleParamList->addParameter("outputRecoTracks", m_param_outputRecoTracks,
                                "Store Array name of the output reco tracks.", m_param_outputRecoTracks);
}

◆ getDescription()

std::string getDescription ( )

finalvirtual

Short description of the findlet.

Reimplemented from Findlet<>.

Definition at line 21 of file CosmicsTrackMergerFindlet.cc.

{
  return "Links tracks by extraction of track paths in a cellular automaton.";
}

◆ getNProcessingSignalListener()

int getNProcessingSignalListener ( )

protectedinherited

Get the number of currently registered listeners.

Definition at line 60 of file CompositeProcessingSignalListener.cc.

{
  return m_subordinaryProcessingSignalListeners.size();
}

◆ initialize()

void initialize ( )

finalvirtual

Init the store arrays.

Reimplemented from ProcessingSignalListener.

Definition at line 37 of file CosmicsTrackMergerFindlet.cc.

{
  m_inputTracks.isRequired(m_param_inputRecoTracks);
 
  m_outputTracks.registerInDataStore(m_param_outputRecoTracks, DataStore::c_ErrorIfAlreadyRegistered);
  RecoTrack::registerRequiredRelations(m_outputTracks);
 
  Super::initialize();
}

◆ terminate()

void terminate ( )

overridevirtualinherited

Receive and dispatch Signal for termination of the event processing.

Reimplemented from ProcessingSignalListener.

Reimplemented in StereoHitTrackQuadTreeMatcher< Belle2::TrackFindingCDC::HyperHough >, StereoHitTrackQuadTreeMatcher< Belle2::TrackFindingCDC::QuadraticLegendre >, and StereoHitTrackQuadTreeMatcher< Belle2::TrackFindingCDC::Z0TanLambdaLegendre >.

Definition at line 47 of file CompositeProcessingSignalListener.cc.

{
  for (ProcessingSignalListener* psl : reversedRange(m_subordinaryProcessingSignalListeners)) {
    psl->terminate();
  }
  Super::terminate();
}

Member Data Documentation

◆ m_cellularPathFinder

TrackFindingCDC::MultipassCellularPathFinder<const CellularRecoTrack> m_cellularPathFinder

private

Instance of the cellular automaton path finder.

Definition at line 55 of file CosmicsTrackMergerFindlet.h.

◆ m_initialized

bool m_initialized = false

privateinherited

Flag to keep track whether initialization happened before.

Definition at line 52 of file ProcessingSignalListener.h.

◆ m_initializedAs

std::string m_initializedAs

privateinherited

Name of the type during initialisation.

Definition at line 58 of file ProcessingSignalListener.h.

◆ m_inputTracks

StoreArray<RecoTrack> m_inputTracks

private

StoreArray for the input tracks.

Definition at line 70 of file CosmicsTrackMergerFindlet.h.

◆ m_inputTrackVector

std::vector<CellularRecoTrack> m_inputTrackVector

private

Storage for the input tracks.

Definition at line 64 of file CosmicsTrackMergerFindlet.h.

◆ m_outputTracks

StoreArray<RecoTrack> m_outputTracks

private

StoreArray for the output tracks.

Definition at line 67 of file CosmicsTrackMergerFindlet.h.

◆ m_param_inputRecoTracks

std::string m_param_inputRecoTracks = "UnmergedRecoTracks"

private

Parameter for the input reco tracks.

Definition at line 74 of file CosmicsTrackMergerFindlet.h.

◆ m_param_outputRecoTracks

std::string m_param_outputRecoTracks = "RecoTracks"

private

Parameter for the output reco tracks.

Definition at line 77 of file CosmicsTrackMergerFindlet.h.

◆ m_subordinaryProcessingSignalListeners

std::vector<ProcessingSignalListener*> m_subordinaryProcessingSignalListeners

privateinherited

References to subordinary signal processing listener contained in this findlet.

Definition at line 52 of file CompositeProcessingSignalListener.h.

◆ m_terminated

bool m_terminated = false

privateinherited

Flag to keep track whether termination happened before.

Definition at line 55 of file ProcessingSignalListener.h.

◆ m_trackPaths

std::vector<TrackFindingCDC::Path<const CellularRecoTrack> > m_trackPaths

private

Memory for the track paths generated from the graph.

Definition at line 61 of file CosmicsTrackMergerFindlet.h.

◆ m_trackRelationCreator

TrackFindingCDC::WeightedRelationCreator<const CellularRecoTrack, PhiRecoTrackRelationFilter> m_trackRelationCreator

private

Creator of the track relations for linking.

Definition at line 52 of file CosmicsTrackMergerFindlet.h.

◆ m_trackRelations

std::vector<TrackFindingCDC::WeightedRelation<const CellularRecoTrack> > m_trackRelations

private

Memory for the relations between tracks to be followed on linking.

Definition at line 58 of file CosmicsTrackMergerFindlet.h.

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

tracking/modules/cosmicsTrackMerger/include/CosmicsTrackMergerFindlet.h
tracking/modules/cosmicsTrackMerger/src/CosmicsTrackMergerFindlet.cc

Public Types

Public Member Functions

Protected Types

Protected Member Functions

Private Types

Private Attributes

Detailed Description

Member Typedef Documentation

◆ IOTypes

◆ IOVectors

◆ Super

◆ ToVector

Constructor & Destructor Documentation

◆ CosmicsTrackMergerFindlet()

Member Function Documentation

◆ addProcessingSignalListener()

◆ apply()

◆ beginEvent()

◆ beginRun()

◆ endRun()

◆ exposeParameters()

◆ getDescription()

◆ getNProcessingSignalListener()

◆ initialize()

◆ terminate()

Member Data Documentation

◆ m_cellularPathFinder

◆ m_initialized

◆ m_initializedAs

◆ m_inputTracks

◆ m_inputTrackVector

◆ m_outputTracks

◆ m_param_inputRecoTracks

◆ m_param_outputRecoTracks

◆ m_subordinaryProcessingSignalListeners

◆ m_terminated

◆ m_trackPaths

◆ m_trackRelationCreator

◆ m_trackRelations