Belle II Software development
FitlessSegmentPairFilter Class Reference

Filter for the construction of segment pairs based on simple criteria without the common fit. More...

#include <FitlessSegmentPairFilter.h>

Inheritance diagram for FitlessSegmentPairFilter:
FilterOnVarSet< SkimmedHitGapSegmentPairVarSet > OnVarSet< AFilter >

Public Types

using Object
 Type of the object to be analysed.
 
using Interface
 Mark this class as the basic interface.
 

Public Member Functions

Weight operator() (const CDCSegmentPair &segmentPair) final
 Checks if a pair of segments is a good combination.
 
void initialize () override
 No reassignment of variable set possible for now.
 
bool needsTruthInformation () override
 Checks if any variables need Monte Carlo information.
 
Weight operator() (const Object &obj) override
 Function extracting the variables of the object into the variable set.
 
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.
 
std::unique_ptr< SkimmedHitGapSegmentPairVarSetreleaseVarSet () &&
 Steal the set of variables form this filter - filter becomes dysfunctional afterwards.
 
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

SkimmedHitGapSegmentPairVarSetgetVarSet () const
 Getter for the set of variables.
 
void setVarSet (std::unique_ptr< SkimmedHitGapSegmentPairVarSet > varSet)
 Setter for the set of variables.
 
virtual void exposeParameters (ModuleParamList *moduleParamList, const std::string &prefix) override
 Forward prefixed parameters of this findlet to the module parameter list.
 
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 = FilterOnVarSet<SkimmedHitGapSegmentPairVarSet>
 Type of the base class.
 
using AVarSet
 Type of the variable set usedi in this filter.
 

Private Attributes

std::unique_ptr< SkimmedHitGapSegmentPairVarSetm_varSet
 Instance of the variable set to be used in the filter.
 
std::vector< ProcessingSignalListener * > m_subordinaryProcessingSignalListeners
 References to subordinary signal processing listener contained in this findlet.
 
bool m_initialized
 Flag to keep track whether initialization happened before.
 
bool m_terminated
 Flag to keep track whether termination happened before.
 
std::string m_initializedAs
 Name of the type during initialisation.
 

Detailed Description

Filter for the construction of segment pairs based on simple criteria without the common fit.

Definition at line 23 of file FitlessSegmentPairFilter.h.

Member Typedef Documentation

◆ AVarSet

using SkimmedHitGapSegmentPairVarSet
privateinherited

Type of the variable set usedi in this filter.

Definition at line 39 of file FilterOnVarSet.dcl.h.

◆ Interface

using Interface
inherited

Mark this class as the basic interface.

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

◆ Object

using Object
inherited

Type of the object to be analysed.

Definition at line 99 of file FilterOnVarSet.dcl.h.

◆ Super

Type of the base class.

Definition at line 27 of file FitlessSegmentPairFilter.h.

Member Function Documentation

◆ addProcessingSignalListener()

void addProcessingSignalListener ( ProcessingSignalListener * psl)
protectedinherited

Register a processing signal listener to be notified.

Definition at line 53 of file CompositeProcessingSignalListener.cc.

56{
58}
Convenience template to create a filter operating on a specific set of variables.

◆ beginEvent()

void beginEvent ( )
overrideinherited

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

Definition at line 36 of file CompositeProcessingSignalListener.cc.

32{
35 psl->beginEvent();
36 }
37}
void beginEvent() override
Receive and dispatch signal for the start of a new event.

◆ beginRun()

void beginRun ( )
overrideinherited

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

Definition at line 33 of file CompositeProcessingSignalListener.cc.

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

◆ endRun()

void endRun ( )
overrideinherited

Receive and dispatch signal for the end of the run.

Definition at line 39 of file CompositeProcessingSignalListener.cc.

◆ exposeParameters()

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

Forward prefixed parameters of this findlet to the module parameter list.

Definition at line 70 of file FilterOnVarSet.icc.h.

94 {
95 Super::exposeParameters(moduleParamList, prefix);
96 m_varSet->exposeParameters(moduleParamList, prefix);
97 }

◆ getNProcessingSignalListener()

int getNProcessingSignalListener ( )
protectedinherited

Get the number of currently registered listeners.

Definition at line 56 of file CompositeProcessingSignalListener.cc.

61{
63}

◆ getVarSet()

auto getVarSet ( ) const
protectedinherited

Getter for the set of variables.

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

82 {
83 return *m_varSet;
84 }

◆ initialize()

void initialize ( )
overrideinherited

No reassignment of variable set possible for now.

Definition at line 49 of file FilterOnVarSet.icc.h.

43 {
44 this->addProcessingSignalListener(m_varSet.get());
45 Super::initialize();
46 }

◆ needsTruthInformation()

bool needsTruthInformation ( )
overrideinherited

Checks if any variables need Monte Carlo information.

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

50 {
51 bool result = Super::needsTruthInformation();
52 if (result) return true;
53
54 const std::vector<Named<Float_t*>>& namedVariables = m_varSet->getNamedVariables();
55 for (const Named<Float_t*>& namedVariable : namedVariables) {
56 std::string name = namedVariable.getName();
57 // If the name contains the word truth it is considered to have Monte carlo information.
58 if (name.find("truth") != std::string::npos) {
59 return true;
60 }
61 }
62 return false;
63 }

◆ operator()() [1/5]

Weight operator() ( const Object & obj)
virtualinherited

Function to evaluate the object.

Base implementation accepts all objects.

Parameters
objThe object to be accepted or rejected.
Returns
A finite float value if the object is accepted. NAN if the object is rejected.

Definition at line 59 of file Filter.icc.h.

47 {
48 return 1;
49 }

◆ operator()() [2/5]

Weight operator() ( const Object & obj)
overrideinherited

Function extracting the variables of the object into the variable set.

Definition at line 56 of file FilterOnVarSet.icc.h.

67 {
68 Weight weight = Super::operator()(obj);
69 if (std::isnan(weight)) return NAN;
70 bool extracted = m_varSet->extract(&obj);
71 return extracted ? weight : NAN;
72 }

◆ operator()() [3/5]

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 69 of file Filter.icc.h.

53 {
54 return obj ? operator()(*obj) : NAN;
55 }

◆ operator()() [4/5]

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 77 of file Filter.icc.h.

59 {
60 std::vector<float> out;
61 for (const auto& obj : objs) {
62 out.push_back(operator()(obj));
63 }
64 return out;
65 }

◆ operator()() [5/5]

Weight operator() ( const CDCSegmentPair & segmentPair)
final

Checks if a pair of segments is a good combination.

Definition at line 20 of file FitlessSegmentPairFilter.cc.

21{
22 const CDCSegment2D* ptrStartSegment = segmentPair.getFromSegment();
23 const CDCSegment2D* ptrEndSegment = segmentPair.getToSegment();
24
25 assert(ptrStartSegment);
26 assert(ptrEndSegment);
27
28 const CDCSegment2D& startSegment = *ptrStartSegment;
29 const CDCSegment2D& endSegment = *ptrEndSegment;
30
31 double weight = startSegment.size() + endSegment.size();
32 return Super::operator()(segmentPair) * weight;
33}
const CDCSegment2D * getToSegment() const
Getter for the to segment.
const CDCSegment2D * getFromSegment() const
Getter for the from segment.

◆ releaseVarSet()

auto releaseVarSet ( ) &&
inherited

Steal the set of variables form this filter - filter becomes dysfunctional afterwards.

Definition at line 60 of file FilterOnVarSet.icc.h.

76 {
77 return std::move(m_varSet);
78 }

◆ setVarSet()

void setVarSet ( std::unique_ptr< SkimmedHitGapSegmentPairVarSet > varSet)
protectedinherited

Setter for the set of variables.

Definition at line 67 of file FilterOnVarSet.icc.h.

88 {
89 m_varSet = std::move(varSet);
90 }

◆ terminate()

void terminate ( )
overrideinherited

Receive and dispatch Signal for termination of the event processing.

Definition at line 42 of file CompositeProcessingSignalListener.cc.

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

Member Data Documentation

◆ m_initialized

bool m_initialized
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_subordinaryProcessingSignalListeners

std::vector<ProcessingSignalListener*> m_subordinaryProcessingSignalListeners
privateinherited

References to subordinary signal processing listener contained in this findlet.

Definition at line 60 of file CompositeProcessingSignalListener.h.

◆ m_terminated

bool m_terminated
privateinherited

Flag to keep track whether termination happened before.

Definition at line 55 of file ProcessingSignalListener.h.

◆ m_varSet

std::unique_ptr<SkimmedHitGapSegmentPairVarSet> m_varSet
privateinherited

Instance of the variable set to be used in the filter.

Definition at line 74 of file FilterOnVarSet.dcl.h.


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