Belle II Software development
SimpleFacetRelationFilter Class Reference

Class filtering the neighborhood of facets based on simple criterions. More...

#include <SimpleFacetRelationFilter.h>

Inheritance diagram for SimpleFacetRelationFilter:
BaseFacetRelationFilter RelationFilter< const CDCFacet > Filter< AObject > CompositeProcessingSignalListener ProcessingSignalListener

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

 SimpleFacetRelationFilter ()
 Constructor using default direction of flight deviation cut off.
 
 SimpleFacetRelationFilter (double deviationCosCut)
 Constructor using given direction of flight deviation cut off.
 
void exposeParameters (ModuleParamList *moduleParamList, const std::string &prefix) override
 Expose the set of parameters of the filter to the module parameter list.
 
Weight operator() (const CDCFacet &fromFacet, const CDCFacet &toFacet) final
 Main filter method returning the weight of the neighborhood relation.
 
std::vector< const CDCFacet * > getPossibleTos (const CDCFacet *from, const std::vector< const CDCFacet * > &facets) const final
 Returns the selection of facets covering the range of possible neighboring facets of the given facet out of the sorted range given by the two other argumets.
 
virtual std::vector< const CDCFacet * > getPossibleTos (const CDCFacet *from, const std::vector< const CDCFacet * > &objects) const
 Selects the objects possibly related to the given one from the given pool of objects.
 
virtual Weight operator() (const const CDCFacet &from, const const CDCFacet &to)
 Main filter method returning the weight of the neighborhood relation.
 
virtual std::vector< float > operator() (const std::vector< Relation< const CDCFacet > * > &objs) override
 Filter over a vector of relations.
 
Weight operator() (const Relation< const CDCFacet > &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 = BaseFacetRelationFilter
 Type of the super class.
 

Private Attributes

double m_param_deviationCosCut
 Memory for the used direction of flight deviation.
 
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 happend before.
 
bool m_terminated = false
 Flag to keep track whether termination happend before.
 
std::string m_initializedAs
 Name of the type during initialisation.
 

Detailed Description

Class filtering the neighborhood of facets based on simple criterions.

Definition at line 25 of file SimpleFacetRelationFilter.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 = BaseFacetRelationFilter
private

Type of the super class.

Definition at line 29 of file SimpleFacetRelationFilter.h.

Constructor & Destructor Documentation

◆ SimpleFacetRelationFilter() [1/2]

Constructor using default direction of flight deviation cut off.

Definition at line 20 of file SimpleFacetRelationFilter.cc.

21 : m_param_deviationCosCut(cos(0.4))
22{
23}
double m_param_deviationCosCut
Memory for the used direction of flight deviation.

◆ SimpleFacetRelationFilter() [2/2]

SimpleFacetRelationFilter ( double  deviationCosCut)
explicit

Constructor using given direction of flight deviation cut off.

Definition at line 25 of file SimpleFacetRelationFilter.cc.

26 : m_param_deviationCosCut(deviationCosCut)
27{
28}

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.

56{
58}
std::vector< ProcessingSignalListener * > m_subordinaryProcessingSignalListeners
References to subordinary signal processing listener contained in this findlet.

◆ beginEvent()

void beginEvent ( )
overridevirtualinherited

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

Reimplemented from ProcessingSignalListener.

Reimplemented in SpacePointTagger< Belle2::CKFToPXDResult, Belle2::PXDCluster >, SpacePointTagger< Belle2::CKFToSVDResult, Belle2::SVDCluster >, BaseEventTimeExtractor< RecoTrack * >, BaseEventTimeExtractor< TrackFindingCDC::CDCWireHit & >, SharingHitsMatcher< Belle2::TrackFindingCDC::CDCTrack, Belle2::TrackFindingCDC::CDCSegment2D >, MCSymmetric< BaseAxialSegmentPairFilter >, MCSymmetric< BaseFacetFilter >, MCSymmetric< BaseFacetRelationFilter >, MCSymmetric< BaseSegmentPairFilter >, MCSymmetric< BaseSegmentPairRelationFilter >, MCSymmetric< BaseSegmentRelationFilter >, MCSymmetric< BaseSegmentTripleFilter >, MCSymmetric< BaseSegmentTripleRelationFilter >, MCSymmetric< BaseTrackRelationFilter >, StoreVectorSwapper< Belle2::TrackFindingCDC::CDCFacet >, StoreVectorSwapper< Belle2::TrackFindingCDC::CDCWireHit, true >, StoreVectorSwapper< Belle2::TrackFindingCDC::CDCSegment2D >, StoreVectorSwapper< Belle2::TrackFindingCDC::CDCTrack >, StoreVectorSwapper< Belle2::TrackFindingCDC::CDCSegmentPair >, StoreVectorSwapper< Belle2::TrackFindingCDC::CDCSegmentTriple >, RecoTrackStorer, ROIFinder, and SVDHoughTracking.

Definition at line 31 of file CompositeProcessingSignalListener.cc.

32{
35 psl->beginEvent();
36 }
37}
Interface for an algorithm part that needs to receive the module processing signals.
virtual void beginEvent()
Receive signal for the start of a new event.

◆ 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.

24{
27 psl->beginRun();
28 }
29}
virtual void beginRun()
Receive signal for the beginning of a new run.

◆ 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.

40{
42 psl->endRun();
43 }
45}
virtual void endRun()
Receive signal for the end of the run.

◆ exposeParameters()

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

Expose the set of parameters of the filter to the module parameter list.

Reimplemented from Filter< AObject >.

Definition at line 30 of file SimpleFacetRelationFilter.cc.

32{
33 Super::exposeParameters(moduleParamList, prefix);
34 moduleParamList->addParameter(prefixed(prefix, "deviationCosCut"),
36 "Acceptable deviation cosine in the angle of adjacent tangents "
37 "to the drift circles.",
39}
virtual void exposeParameters(ModuleParamList *moduleParamList, const std::string &prefix)
Expose the set of parameters of the filter to the module parameter list.
Definition: Filter.icc.h:40
void addParameter(const std::string &name, T &paramVariable, const std::string &description, const T &defaultValue)
Adds a new parameter to the module list.

◆ getNProcessingSignalListener()

int getNProcessingSignalListener ( )
protectedinherited

Get the number of currently registered listeners.

Definition at line 60 of file CompositeProcessingSignalListener.cc.

61{
63}

◆ getPossibleTos() [1/2]

std::vector< const CDCFacet * > getPossibleTos ( const CDCFacet from,
const std::vector< const CDCFacet * > &  facets 
) const
finalinherited

Returns the selection of facets covering the range of possible neighboring facets of the given facet out of the sorted range given by the two other argumets.

Definition at line 30 of file BaseFacetRelationFilter.cc.

33{
34 const CDCRLWireHitPair& rearRLWireHitPair = from->getRearRLWireHitPair();
35
37 std::equal_range(facets.begin(), facets.end(), &rearRLWireHitPair, LessOf<Deref>())};
38 return {neighbors.begin(), neighbors.end()};
39}
CDCRLWireHitPair & getRearRLWireHitPair()
Getter for the pair of second and third oriented wire hit.
A pair of iterators usable with the range base for loop.
Definition: Range.h:25
Iterator begin() const
Begin of the range for range based for.
Definition: Range.h:64
Functor factory turning a binary functor and two functors into a new functor which executes the binar...
Definition: Functional.h:127

◆ getPossibleTos() [2/2]

std::vector< const CDCFacet * > getPossibleTos ( const CDCFacet from,
const std::vector< const CDCFacet * > &  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.

30 {
31 return objects;
32 }

◆ initialize()

void initialize ( )
overridevirtualinherited

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

Reimplemented from ProcessingSignalListener.

Reimplemented in UnionVarSet< AObject >, UnionVarSet< Object >, VariadicUnionVarSet< AVarSets >, ResultStorer< Belle2::CKFToPXDResult >, ResultStorer< Belle2::CKFToSVDResult >, BaseEventTimeExtractor< RecoTrack * >, BaseEventTimeExtractor< TrackFindingCDC::CDCWireHit & >, StereoHitTrackQuadTreeMatcher< Belle2::TrackFindingCDC::HyperHough >, StereoHitTrackQuadTreeMatcher< Belle2::TrackFindingCDC::QuadraticLegendre >, StereoHitTrackQuadTreeMatcher< Belle2::TrackFindingCDC::Z0TanLambdaLegendre >, OnVarSet< Filter< ATruthVarSet::Object > >, OnVarSet< Filter< AVarSet::Object > >, OnVarSet< BaseFacetFilter >, OnVarSet< BaseFacetRelationFilter >, OnVarSet< BaseAxialSegmentPairFilter >, OnVarSet< BaseSegmentRelationFilter >, OnVarSet< BaseTrackRelationFilter >, OnVarSet< BaseSegmentPairRelationFilter >, MCSymmetric< BaseAxialSegmentPairFilter >, MCSymmetric< BaseFacetFilter >, MCSymmetric< BaseFacetRelationFilter >, MCSymmetric< BaseSegmentPairFilter >, MCSymmetric< BaseSegmentPairRelationFilter >, MCSymmetric< BaseSegmentRelationFilter >, MCSymmetric< BaseSegmentTripleFilter >, MCSymmetric< BaseSegmentTripleRelationFilter >, MCSymmetric< BaseTrackRelationFilter >, StoreArrayLoader< const Belle2::SpacePoint >, StoreArrayLoader< DataStoreInputTypeRefType >, StoreVectorSwapper< Belle2::TrackFindingCDC::CDCFacet >, StoreVectorSwapper< Belle2::TrackFindingCDC::CDCWireHit, true >, StoreVectorSwapper< Belle2::TrackFindingCDC::CDCSegment2D >, StoreVectorSwapper< Belle2::TrackFindingCDC::CDCTrack >, StoreVectorSwapper< Belle2::TrackFindingCDC::CDCSegmentPair >, StoreVectorSwapper< Belle2::TrackFindingCDC::CDCSegmentTriple >, RelationVarSet< ABaseVarSet >, QualityIndicatorFilter, TwoHitVirtualIPQIFilter, MultiHoughSpaceFastInterceptFinder, RawTrackCandCleaner< AHit >, RawTrackCandCleaner< Belle2::vxdHoughTracking::VXDHoughState >, RecoTrackStorer, ROIFinder, SingleHoughSpaceFastInterceptFinder, SpacePointLoaderAndPreparer, TrackCandidateOverlapResolver, and TrackCandidateResultRefiner.

Definition at line 15 of file CompositeProcessingSignalListener.cc.

16{
19 psl->initialize();
20 }
21}
virtual void initialize()
Receive signal before the start of the event processing.

◆ needsTruthInformation()

◆ operator()() [1/7]

Weight operator() ( const CDCFacet fromFacet,
const CDCFacet toFacet 
)
final

Main filter method returning the weight of the neighborhood relation.

Definition at line 41 of file SimpleFacetRelationFilter.cc.

43{
44 if (fromFacet.getStartWireHit().isOnWire(toFacet.getEndWire())) return NAN;
45
46 // the compatibility of the short legs or all?
47 // start end to continuation middle end
48 // start middle to continuation start end
49
50 const ParameterLine2D& fromStartToMiddle = fromFacet.getStartToMiddleLine();
51 const ParameterLine2D& fromStartToEnd = fromFacet.getStartToEndLine();
52
53 const ParameterLine2D& toStartToEnd = toFacet.getStartToEndLine();
54 const ParameterLine2D& toMiddleToEnd = toFacet.getMiddleToEndLine();
55
56 const double fromMiddleCos = fromStartToMiddle.tangential().cosWith(toStartToEnd.tangential());
57 const double toMiddleCos = fromStartToEnd.tangential().cosWith(toMiddleToEnd.tangential());
58
59 // check both
60 if (fromMiddleCos > m_param_deviationCosCut and toMiddleCos > m_param_deviationCosCut) {
61 // the weight must be -2 because the overlap of the facets is two points
62 // so the amount of two facets is 4 points hence the cellular automat
63 // must calculate 3 + (-2) + 3 = 4 as cellstate
64 // this can of course be adjusted for a more realistic information measure
65 // ( together with the facet creator filter)
66 return -2;
67 } else {
68 return NAN;
69 }
70}
ParameterLine2D getStartToEndLine() const
Getter for the tangential line from the first to the third hit.
Definition: CDCFacet.cc:94
ParameterLine2D getStartToMiddleLine() const
Getter for the tangential line from the first to the second hit.
Definition: CDCFacet.cc:86
ParameterLine2D getMiddleToEndLine() const
Getter for the tangential line from the second to the third hit.
Definition: CDCFacet.cc:102
const CDCWireHit & getStartWireHit() const
Getter for the hit wire of the first oriented wire hit.
const CDCWire & getEndWire() const
Getter for the wire the third oriented wire hit is based on.
bool isOnWire(const CDCWire &wire) const
Checks if the wire hit is based on the given wire.
Definition: CDCWireHit.h:242
A line with a support point and tangential vector.
const Vector2D & tangential() const
Gives the tangential vector of the line.
double cosWith(const Vector2D &rhs) const
Definition: Vector2D.h:187

◆ operator()() [2/7]

Weight operator() ( const const CDCFacet from,
const const CDCFacet 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.

37 {
38 return 1;
39 }

◆ operator()() [3/7]

◆ operator()() [4/7]

Weight operator() ( const Object obj)
inherited

Function to evaluate the object.

Base implementation accepts all objects, except nullptr.

Parameters
objThe 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.

59 {
60 return obj ? operator()(*obj) : NAN;
61 }
virtual Weight operator()(const Object &obj)
Function to evaluate the object.
Definition: Filter.icc.h:52

◆ operator()() [5/7]

Weight operator() ( const Relation< const CDCFacet > &  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.

43 {
44 const AObject* from = relation.getFrom();
45 const AObject* to = relation.getTo();
46
47 if (from == to) return NAN; // Prevent relation to same.
48 if ((from == nullptr) or (to == nullptr)) return NAN;
49 return operator()(*from, *to);
50 }
virtual Weight operator()(const const CDCFacet &from, const const CDCFacet &to)
Main filter method returning the weight of the neighborhood relation.

◆ 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
objsA vector of pointers to objects
Returns
A vector of float or NAN values. See above

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

65 {
66 std::vector<float> out;
67 for (const auto& obj : objs) {
68 out.push_back(operator()(obj));
69 }
70 return out;
71 }

◆ operator()() [7/7]

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

Filter over a vector of relations.

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

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

52 {
53 std::vector<float> out(objs.size());
54 for (size_t iObj = 0; iObj < objs.size(); iObj += 1) {
55 if (objs[iObj]) {
56 out[iObj] = operator()(*objs[iObj]);
57 } else {
58 out[iObj] = NAN;
59 }
60 }
61 return out;
62 }

◆ 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.

48{
50 psl->terminate();
51 }
53}
virtual void terminate()
Receive Signal for termination of the event processing.

Member Data Documentation

◆ m_initialized

bool m_initialized = false
privateinherited

Flag to keep track whether initialization happend 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_deviationCosCut

double m_param_deviationCosCut
private

Memory for the used direction of flight deviation.

Definition at line 48 of file SimpleFacetRelationFilter.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 happend before.

Definition at line 55 of file ProcessingSignalListener.h.


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