Class providing construction combinatorics for the axial stereo segment pairs. More...

#include <SegmentTripleCreator.h>

Inheritance diagram for SegmentTripleCreator:

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
	SegmentTripleCreator ()
	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	apply (const std::vector< CDCSegment2D > &inputSegments, const std::vector< CDCAxialSegmentPair > &inputAxialSegmentPairs, std::vector< CDCSegmentTriple > &segmentTriples) final
	Main method constructing pairs in adjacent super layers.

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 = Findlet< const CDCSegment2D, const CDCAxialSegmentPair, CDCSegmentTriple >
	Type of the base class.

Private Member Functions
void	create (const CDCAxialSegmentPair &axialSegmentPair, const std::vector< const CDCSegment2D * > &middleSegments, std::vector< CDCSegmentTriple > &segmentTriples)
	Creates segment triples by adding the middle segment to the axial segments and filter out the valuable combinations.

Private Attributes
std::array< std::vector< const CDCSegment2D * >, ISuperLayerUtil::c_N >	m_segmentsBySuperLayer
	Structure for the segments grouped by super layer id.

ChooseableSegmentTripleFilter	m_segmentTripleFilter
	The filter to be used for the segment triple generation.

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

Class providing construction combinatorics for the axial stereo segment pairs.

Definition at line 33 of file SegmentTripleCreator.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 = Findlet<const CDCSegment2D, const CDCAxialSegmentPair, CDCSegmentTriple>

private

Type of the base class.

Definition at line 38 of file SegmentTripleCreator.h.

◆ ToVector

using ToVector = typename ToVectorImpl<T>::Type

protectedinherited

Short hand for ToRangeImpl.

Definition at line 49 of file Findlet.h.

Constructor & Destructor Documentation

◆ SegmentTripleCreator()

SegmentTripleCreator ( )

Constructor adding the filter as a subordinary processing signal listener.

Definition at line 26 of file SegmentTripleCreator.cc.

{
  this->addProcessingSignalListener(&m_segmentTripleFilter);
}

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	(	const std::vector< CDCSegment2D > &	inputSegments,
		const std::vector< CDCAxialSegmentPair > &	inputAxialSegmentPairs,
		std::vector< CDCSegmentTriple > &	segmentTriples
	)

final

Main method constructing pairs in adjacent super layers.

Definition at line 42 of file SegmentTripleCreator.cc.

{
  // Group the segments by their super layer id
  for (std::vector<const CDCSegment2D*>& segementsInSuperLayer : m_segmentsBySuperLayer) {
    segementsInSuperLayer.clear();
  }
 
  for (const CDCSegment2D& segment : inputSegments) {
    ISuperLayer iSuperLayer = segment.getISuperLayer();
    const CDCSegment2D* ptrSegment = &segment;
    m_segmentsBySuperLayer[iSuperLayer].push_back(ptrSegment);
  }
 
  for (const CDCAxialSegmentPair& axialSegmentPair : inputAxialSegmentPairs) {
    const CDCSegment2D* startSegment = axialSegmentPair.getStartSegment();
    const CDCSegment2D* endSegment = axialSegmentPair.getEndSegment();
 
    ISuperLayer startISuperLayer = startSegment->getISuperLayer();
    ISuperLayer endISuperLayer = endSegment->getISuperLayer();
 
    B2ASSERT("Invalid start ISuperLayer", ISuperLayerUtil::isAxial(startISuperLayer));
    B2ASSERT("Invalid end ISuperLayer", ISuperLayerUtil::isAxial(endISuperLayer));
 
    if (startISuperLayer != endISuperLayer) {
      ISuperLayer middleISuperLayer = (startISuperLayer + endISuperLayer) / 2;
 
      B2ASSERT("Middle ISuperLayer is not stereo", not ISuperLayerUtil::isAxial(middleISuperLayer));
 
      const std::vector<const CDCSegment2D*>& middleSegments = m_segmentsBySuperLayer[middleISuperLayer];
      create(axialSegmentPair, middleSegments, segmentTriples);
    } else {
      // Case where start and end super layer are the same
      // Look for stereo segments in the adjacent super layer
      ISuperLayer middleISuperLayerIn = ISuperLayerUtil::getNextInwards(startISuperLayer);
      ISuperLayer middleISuperLayerOut = ISuperLayerUtil::getNextOutwards(startISuperLayer);
      for (ISuperLayer middleISuperLayer : {middleISuperLayerIn, middleISuperLayerOut}) {
        if (ISuperLayerUtil::isInCDC(middleISuperLayer)) {
          const std::vector<const CDCSegment2D*>& middleSegments = m_segmentsBySuperLayer[middleISuperLayer];
          create(axialSegmentPair, middleSegments, segmentTriples);
        }
      }
    }
  }
  std::sort(segmentTriples.begin(), segmentTriples.end());
}

◆ 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();
  }
}

◆ create()

void create	(	const CDCAxialSegmentPair &	axialSegmentPair,
		const std::vector< const CDCSegment2D * > &	middleSegments,
		std::vector< CDCSegmentTriple > &	segmentTriples
	)

private

Creates segment triples by adding the middle segment to the axial segments and filter out the valuable combinations.

Definition at line 90 of file SegmentTripleCreator.cc.

{
  CDCSegmentTriple segmentTriple(axialSegmentPair);
  for (const CDCSegment2D* middleSegment : middleSegments) {
    segmentTriple.setMiddleSegment(middleSegment);
    segmentTriple.clearTrajectory3D();
 
    // Ask the filter to assess this triple
    Weight weight = m_segmentTripleFilter(segmentTriple);
 
    if (not std::isnan(weight)) {
      segmentTriple.getAutomatonCell().setCellWeight(weight);
      segmentTriples.insert(segmentTriples.end(), segmentTriple);
    }
  }
}

◆ 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< const CDCSegment2D, const CDCAxialSegmentPair, CDCSegmentTriple >.

Definition at line 37 of file SegmentTripleCreator.cc.

{
  m_segmentTripleFilter.exposeParameters(moduleParamList, prefix);
}

◆ getDescription()

std::string getDescription ( )

finalvirtual

Short description of the findlet.

Reimplemented from Findlet< const CDCSegment2D, const CDCAxialSegmentPair, CDCSegmentTriple >.

Definition at line 31 of file SegmentTripleCreator.cc.

{
  return "Creates segment triples from a set of middle segments and already combined axial "
         "segment pairs filtered by some acceptance criterion";
}

◆ 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_segmentsBySuperLayer

std::array<std::vector<const CDCSegment2D*>, ISuperLayerUtil::c_N> m_segmentsBySuperLayer

private

Structure for the segments grouped by super layer id.

Definition at line 63 of file SegmentTripleCreator.h.

◆ m_segmentTripleFilter

ChooseableSegmentTripleFilter m_segmentTripleFilter

private

The filter to be used for the segment triple generation.

Definition at line 66 of file SegmentTripleCreator.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/trackFindingCDC/findlets/minimal/include/SegmentTripleCreator.h
tracking/trackFindingCDC/findlets/minimal/src/SegmentTripleCreator.cc

Public Types

Public Member Functions

Protected Types

Protected Member Functions

Private Types

Private Member Functions

Private Attributes

Detailed Description

Member Typedef Documentation

◆ IOTypes

◆ IOVectors

◆ Super

◆ ToVector

Constructor & Destructor Documentation

◆ SegmentTripleCreator()

Member Function Documentation

◆ addProcessingSignalListener()

◆ apply()

◆ beginEvent()

◆ beginRun()

◆ create()

◆ endRun()

◆ exposeParameters()

◆ getDescription()

◆ getNProcessingSignalListener()

◆ initialize()

◆ terminate()

Member Data Documentation

◆ m_initialized

◆ m_initializedAs

◆ m_segmentsBySuperLayer

◆ m_segmentTripleFilter

◆ m_subordinaryProcessingSignalListeners

◆ m_terminated