Relation filter that lets only possibilities with small phi distance pass. More...

#include <PhiTrackRelationFilter.h>

Inheritance diagram for PhiTrackRelationFilter:

Public Types
using	Object = AObject
	Type of the object to be analysed.

using	Interface = Filter< AObject >
	Mark this class as the basic interface.

Public Member Functions
void	exposeParameters (ModuleParamList *moduleParamList, const std::string &prefix) override
	Export all parameters.

Weight	operator() (const CDCTrack &fromTrack, const CDCTrack &toTrack) final
	Implementation of the phi calculation.

std::vector< const CDCTrack * >	getPossibleTos (const CDCTrack from, const std::vector< const CDCTrack > &tracks) const final
	Reinforce that the full range of tracks is possible as no particular default is applicable.

virtual std::vector< const CDCTrack * >	getPossibleTos (const CDCTrack from, const std::vector< const CDCTrack > &objects) const
	Selects the objects possibly related to the given one from the given pool of objects.

virtual Weight	operator() (const const CDCTrack &from, const const CDCTrack &to)
	Main filter method returning the weight of the neighborhood relation.

virtual std::vector< float >	operator() (const std::vector< Relation< const CDCTrack > * > &objs) override
	Filter over a vector of relations.

Weight	operator() (const Relation< const CDCTrack > &relation) override
	Main filter method overriding the filter interface method.

virtual Weight	operator() (const Object &obj)
	Function to evaluate the object.

Weight	operator() (const Object *obj)
	Function to evaluate the object.

virtual std::vector< float >	operator() (const std::vector< Object * > &objs)
	Function to evaluate a vector of objects Base implementation applies the function to each object.

virtual bool	needsTruthInformation ()
	Indicates if the filter requires Monte Carlo information.

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 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 = BaseTrackRelationFilter
	Type of the super class.

Private Attributes
double	m_param_maximalPhiDistance = 0.2
	Parameter : The maximal deviation in phi between the trajectories of the 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

Relation filter that lets only possibilities with small phi distance pass.

Definition at line 25 of file PhiTrackRelationFilter.h.

Member Typedef Documentation

◆ Interface

using Interface = Filter<AObject>

inherited

Mark this class as the basic interface.

Definition at line 38 of file Filter.dcl.h.

◆ Object

using Object = AObject

inherited

Type of the object to be analysed.

Definition at line 35 of file Filter.dcl.h.

◆ Super

using Super = BaseTrackRelationFilter

private

Type of the super class.

Definition at line 29 of file PhiTrackRelationFilter.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);
}

◆ 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
	)

overridevirtual

Export all parameters.

Reimplemented from Filter< AObject >.

Definition at line 21 of file PhiTrackRelationFilter.cc.

{
  moduleParamList->addParameter(prefixed(prefix, "maximalPhiDistance"),
                                m_param_maximalPhiDistance,
                                "Maximal Phi distance below to tracks should be merged.",
                                m_param_maximalPhiDistance);
}

◆ getNProcessingSignalListener()

int getNProcessingSignalListener ( )

protectedinherited

Get the number of currently registered listeners.

Definition at line 60 of file CompositeProcessingSignalListener.cc.

{
  return m_subordinaryProcessingSignalListeners.size();
}

◆ getPossibleTos() [1/2]

std::vector< const CDCTrack * > getPossibleTos	(	const CDCTrack *	from,
		const std::vector< const CDCTrack * > &	objects
	)		const

virtualinherited

Selects the objects possibly related to the given one from the given pool of objects.

Definition at line 39 of file RelationFilter.icc.h.

    {
      return objects;
    }

◆ getPossibleTos() [2/2]

std::vector< const CDCTrack * > getPossibleTos	(	const CDCTrack *	from,
		const std::vector< const CDCTrack * > &	tracks
	)		const

finalinherited

Reinforce that the full range of tracks is possible as no particular default is applicable.

Definition at line 23 of file BaseTrackRelationFilter.cc.

{
  // All tracks a possible - no geometric selection here.
  return tracks;
}

◆ 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();
  }
}

◆ needsTruthInformation()

bool needsTruthInformation

virtualinherited

Indicates if the filter requires Monte Carlo information.

Reimplemented in MCSymmetric< BaseAxialSegmentPairFilter >, MCSymmetric< BaseFacetFilter >, MCSymmetric< BaseFacetRelationFilter >, MCSymmetric< BaseSegmentPairFilter >, MCSymmetric< BaseSegmentPairRelationFilter >, MCSymmetric< BaseSegmentRelationFilter >, MCSymmetric< BaseSegmentTripleFilter >, MCSymmetric< BaseSegmentTripleRelationFilter >, MCSymmetric< BaseTrackRelationFilter >, OnVarSet< Filter< ATruthVarSet::Object > >, OnVarSet< Filter< AVarSet::Object > >, OnVarSet< BaseFacetFilter >, OnVarSet< BaseFacetRelationFilter >, OnVarSet< BaseAxialSegmentPairFilter >, OnVarSet< BaseSegmentRelationFilter >, OnVarSet< BaseTrackRelationFilter >, and OnVarSet< BaseSegmentPairRelationFilter >.

Definition at line 46 of file Filter.icc.h.

    {
      return false;
    }

◆ operator()() [1/7]

Weight operator()	(	const CDCTrack &	fromTrack,
		const CDCTrack &	toTrack
	)

final

Implementation of the phi calculation.

Definition at line 30 of file PhiTrackRelationFilter.cc.

{
  // Make sure we only have one relation out of A -> B and B -> A
  if (fromTrack.getStartRecoPos3D().y() < toTrack.getStartRecoPos3D().y()) {
    return NAN;
  }
 
  const double lhsPhi = fromTrack.getStartTrajectory3D().getFlightDirection3DAtSupport().phi();
  const double rhsPhi = toTrack.getStartTrajectory3D().getFlightDirection3DAtSupport().phi();
 
  const double phiDistance = std::fabs(AngleUtil::normalised(lhsPhi - rhsPhi));
 
  if (phiDistance > m_param_maximalPhiDistance) {
    return NAN;
  } else {
    return phiDistance;
  }
}

◆ operator()() [2/7]

Weight operator()	(	const const CDCTrack &	from,
		const const CDCTrack &	to
	)

virtualinherited

Main filter method returning the weight of the neighborhood relation.

Return always returns NAN to reject all segment neighbors.

Definition at line 46 of file RelationFilter.icc.h.

    {
      return 1;
    }

◆ operator()() [3/7]

Weight operator() ( const Object & obj )

virtualinherited

Function to evaluate the object.

Base implementation accepts all objects.

Parameters

obj	The object to be accepted or rejected.

Returns: A finite float value if the object is accepted. NAN if the object is rejected.

Reimplemented in SeedChargeCDCPathFilter, SizeCDCPathFilter, ArcLengthBasedCDCfromEclPathPairFilter, ArcLengthBasedCDCPathPairFilter, Chi2BasedCDCPathPairFilter, DistanceBasedCDCPathPairFilter, DuplicateCDCPathPairFilter, HitDistanceBasedCDCPathPairFilter, MCTruthCDCPathPairFilter, DistanceCDCStateFilter, ExtrapolateAndUpdateCDCStateFilter, MCTruthCDCStateFilter, MCTruthEclSeedFilter, RoughCDCfromEclStateFilter, RoughCDCStateFilter, FiveHitFilter, FourHitFilter, QualityIndicatorFilter, ThreeHitFilter, TwoHitVirtualIPFilter, TwoHitVirtualIPQIFilter, SimplePXDStateFilter, AllPXDStateFilter, ResidualSVDStateFilter, SimpleSVDStateFilter, AllSVDStateFilter, and RelationFilter< AObject >.

Definition at line 52 of file Filter.icc.h.

    {
      return 1;
    }

◆ operator()() [4/7]

Weight operator() ( const Object * obj )

inherited

Function to evaluate the object.

Base implementation accepts all objects, except nullptr.

Parameters

obj	The object to be accepted or rejected.

Returns: A finit float value if the object is accepted. NAN if the object is rejected. Nullptr is always rejected.

Definition at line 58 of file Filter.icc.h.

    {
      return obj ? operator()(*obj) : NAN;
    }

◆ operator()() [5/7]

Weight operator() ( const Relation< const CDCTrack > & relation )

overrideinherited

Main filter method overriding the filter interface method.

Checks the validity of the pointers in the relation and unpacks the relation to the method implementing the rejection.

Definition at line 69 of file RelationFilter.icc.h.

    {
      const AObject* from = relation.getFrom();
      const AObject* to = relation.getTo();
 
      if (from == to) return NAN; // Prevent relation to same.
      if ((from == nullptr) or (to == nullptr)) return NAN;
      return operator()(*from, *to);
    }

◆ operator()() [6/7]

std::vector< float > operator() ( const std::vector< Object * > & objs )

virtualinherited

Function to evaluate a vector of objects Base implementation applies the function to each object.

Can be optimized for MVA filters

Parameters

objs	A vector of pointers to objects

Returns: A vector of float or NAN values. See above

Definition at line 64 of file Filter.icc.h.

    {
      std::vector<float> out;
      for (const auto& obj : objs) {
        out.push_back(operator()(obj));
      }
      return out;
    }

◆ operator()() [7/7]

virtual std::vector< float > operator() ( const std::vector< Relation< const CDCTrack > * > & objs )

inlineoverridevirtualinherited

Filter over a vector of relations.

We need to override it since derived relation classes do not implement a call with a pointer to a relation.

Definition at line 51 of file RelationFilter.dcl.h.

      {
        std::vector<float> out(objs.size());
        for (size_t iObj = 0; iObj < objs.size(); iObj += 1) {
          if (objs[iObj]) {
            out[iObj] = operator()(*objs[iObj]);
          } else {
            out[iObj] = NAN;
          }
        }
        return out;
      }

◆ 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_maximalPhiDistance

double m_param_maximalPhiDistance = 0.2

private

Parameter : The maximal deviation in phi between the trajectories of the track.

Definition at line 40 of file PhiTrackRelationFilter.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/filters/trackRelation/include/PhiTrackRelationFilter.h
tracking/trackFindingCDC/filters/trackRelation/src/PhiTrackRelationFilter.cc

Public Types

Public Member Functions

Protected Member Functions

Private Types

Private Attributes

Detailed Description

Member Typedef Documentation

◆ Interface

◆ Object

◆ Super

Member Function Documentation

◆ addProcessingSignalListener()

◆ beginEvent()

◆ beginRun()

◆ endRun()

◆ exposeParameters()

◆ getNProcessingSignalListener()

◆ getPossibleTos() [1/2]

◆ getPossibleTos() [2/2]

◆ initialize()

◆ needsTruthInformation()

◆ operator()() [1/7]

◆ operator()() [2/7]

◆ operator()() [3/7]

◆ operator()() [4/7]

◆ operator()() [5/7]

◆ operator()() [6/7]

◆ operator()() [7/7]

◆ terminate()

Member Data Documentation

◆ m_initialized

◆ m_initializedAs

◆ m_param_maximalPhiDistance

◆ m_subordinaryProcessingSignalListeners

◆ m_terminated