Select the tracks for the event time extraction. More...

#include <TrackSelector.h>

Inheritance diagram for TrackSelector:

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
void	apply (std::vector< RecoTrack * > &) override final
	Timing extraction for this findlet.

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

virtual std::string	getDescription ()
	Brief description of the purpose of the concrete findlet.

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

void	initialize () override
	Receive and dispatch signal before the start of the event processing.

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< RecoTrack * >
	Type of the base class.

Private Attributes
unsigned int	m_param_minNumberCDCHits = 20
	Minimal number of CDC hits for a track.

unsigned int	m_param_maximumNumberOfTracks = 4
	Maximal number of tracks in an event.

double	m_param_minimumTrackPt = 0.35
	Minimal pt for a track.

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

Select the tracks for the event time extraction.

Definition at line 22 of file TrackSelector.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<RecoTrack*>

private

Type of the base class.

Definition at line 25 of file TrackSelector.h.

◆ ToVector

using ToVector = typename ToVectorImpl<T>::Type

protectedinherited

Short hand for ToRangeImpl.

Definition at line 49 of file Findlet.h.

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 ( std::vector< RecoTrack * > & tracks )

finaloverride

Timing extraction for this findlet.

Definition at line 27 of file TrackSelector.cc.

{
  const auto trackHasEnoughPtAndHits = [this](RecoTrack * rt) {
    return (rt->getNumberOfCDCHits() < m_param_minNumberCDCHits) or
           (rt->getMomentumSeed().Rho() < m_param_minimumTrackPt);
  };
  TrackFindingCDC::erase_remove_if(tracks, trackHasEnoughPtAndHits);
 
  // this lambda will sort in reverse order, meaning the tracks with the most CDC hits first
  const auto greaterHits = [](RecoTrack * lhs, RecoTrack * rhs) {
    return lhs->getNumberOfCDCHits() > rhs->getNumberOfCDCHits();
  };
  // sort by the amount of CDC hits
  std::sort(tracks.begin(), tracks.end(), greaterHits);
 
  const unsigned int maximalNumberOfElements = std::min(static_cast<unsigned int>(tracks.size()),
                                                        m_param_maximumNumberOfTracks);
  // limit to the maximum number of tracks
  tracks.resize(maximalNumberOfElements);
 
  B2DEBUG(25, "Limited number of selected tracks: " << tracks.size());
}

◆ 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
	)

finaloverridevirtual

Expose the parameters for this module.

Reimplemented from Findlet< RecoTrack * >.

Definition at line 17 of file TrackSelector.cc.

{
  moduleParamList->addParameter(prefixed(prefix, "minNumberCDCHits"), m_param_minNumberCDCHits,
                                "Minimal number of CDC hits for a track", m_param_minNumberCDCHits);
  moduleParamList->addParameter(prefixed(prefix, "maximumNumberOfTracks"), m_param_maximumNumberOfTracks,
                                "Maximal number of tracks in an event", m_param_maximumNumberOfTracks);
  moduleParamList->addParameter(prefixed(prefix, "minimumTrackPt"), m_param_minimumTrackPt,
                                "Minimal pt for a track", m_param_minimumTrackPt);
}

◆ getDescription()

virtual std::string getDescription ( )

inlinevirtualinherited

Brief description of the purpose of the concrete findlet.

Definition at line 60 of file Findlet.h.

      {
        return "(no description)";
      }

◆ 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 ( )

overridevirtualinherited

Receive and dispatch signal before the start of the event processing.

Reimplemented from ProcessingSignalListener.

Definition at line 15 of file CompositeProcessingSignalListener.cc.

{
  Super::initialize();
  for (ProcessingSignalListener* psl : m_subordinaryProcessingSignalListeners) {
    psl->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_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_param_maximumNumberOfTracks

unsigned int m_param_maximumNumberOfTracks = 4

private

Maximal number of tracks in an event.

Definition at line 38 of file TrackSelector.h.

◆ m_param_minimumTrackPt

double m_param_minimumTrackPt = 0.35

private

Minimal pt for a track.

Definition at line 40 of file TrackSelector.h.

◆ m_param_minNumberCDCHits

unsigned int m_param_minNumberCDCHits = 20

private

Minimal number of CDC hits for a track.

Definition at line 36 of file TrackSelector.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.

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

tracking/eventTimeExtraction/findlets/include/TrackSelector.h
tracking/eventTimeExtraction/findlets/src/TrackSelector.cc

Public Types

Public Member Functions

Protected Types

Protected Member Functions

Private Types

Private Attributes

Detailed Description

Member Typedef Documentation

◆ IOTypes

◆ IOVectors

◆ Super

◆ ToVector

Member Function Documentation

◆ addProcessingSignalListener()

◆ apply()

◆ beginEvent()

◆ beginRun()

◆ endRun()

◆ exposeParameters()

◆ getDescription()

◆ getNProcessingSignalListener()

◆ initialize()

◆ terminate()

Member Data Documentation

◆ m_initialized

◆ m_initializedAs

◆ m_param_maximumNumberOfTracks

◆ m_param_minimumTrackPt

◆ m_param_minNumberCDCHits

◆ m_subordinaryProcessingSignalListeners

◆ m_terminated