Belle II Software development
TrackSelector Class Referencefinalabstract

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

#include <TrackSelector.h>

Inheritance diagram for TrackSelector:
Findlet< RecoTrack * > CompositeProcessingSignalListener ProcessingSignalListener

Public Types

using IOTypes
 Types that should be served to apply on invocation.
 
using IOTypes
 Types that should be served to apply on invocation.
 
using IOVectors
 Vector types that should be served to apply on invocation.
 
using IOVectors
 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 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
 Short hand for ToRangeImpl.
 
using ToVector
 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
 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

Select the tracks for the event time extraction.

Definition at line 22 of file TrackSelector.h.

Member Typedef Documentation

◆ IOTypes [1/2]

using IOTypes
inherited

Types that should be served to apply on invocation.

Definition at line 30 of file Findlet.h.

◆ IOTypes [2/2]

using IOTypes
inherited

Types that should be served to apply on invocation.

Definition at line 30 of file Findlet.h.

◆ IOVectors [1/2]

using IOVectors
inherited

Vector types that should be served to apply on invocation.

Definition at line 53 of file Findlet.h.

◆ IOVectors [2/2]

using IOVectors
inherited

Vector types that should be served to apply on invocation.

Definition at line 53 of file Findlet.h.

◆ Super

Type of the base class.

Definition at line 25 of file TrackSelector.h.

◆ ToVector [1/2]

using ToVector
protectedinherited

Short hand for ToRangeImpl.

Definition at line 49 of file Findlet.h.

◆ ToVector [2/2]

using ToVector
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 53 of file CompositeProcessingSignalListener.cc.

56{
58}
Interface for a minimal algorithm part that wants to expose some parameters to a module.
Definition Findlet.h:26

◆ apply()

void apply ( std::vector< RecoTrack * > & tracks)
finaloverride

Timing extraction for this findlet.

Definition at line 27 of file TrackSelector.cc.

28{
29 const auto trackHasEnoughPtAndHits = [this](RecoTrack * rt) {
30 return (rt->getNumberOfCDCHits() < m_param_minNumberCDCHits) or
31 (rt->getMomentumSeed().Rho() < m_param_minimumTrackPt);
32 };
33 TrackFindingCDC::erase_remove_if(tracks, trackHasEnoughPtAndHits);
34
35 // this lambda will sort in reverse order, meaning the tracks with the most CDC hits first
36 const auto greaterHits = [](RecoTrack * lhs, RecoTrack * rhs) {
37 return lhs->getNumberOfCDCHits() > rhs->getNumberOfCDCHits();
38 };
39 // sort by the amount of CDC hits
40 std::sort(tracks.begin(), tracks.end(), greaterHits);
41
42 const unsigned int maximalNumberOfElements = std::min(static_cast<unsigned int>(tracks.size()),
44 // limit to the maximum number of tracks
45 tracks.resize(maximalNumberOfElements);
46
47 B2DEBUG(25, "Limited number of selected tracks: " << tracks.size());
48}
unsigned int getNumberOfCDCHits() const
Return the number of cdc hits.
Definition RecoTrack.h:427
unsigned int m_param_maximumNumberOfTracks
Maximal number of tracks in an event.
unsigned int m_param_minNumberCDCHits
Minimal number of CDC hits for a track.
double m_param_minimumTrackPt
Minimal pt for a track.

◆ 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.
virtual void beginEvent()
Receive 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.
virtual void beginRun()
Receive 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.

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

◆ exposeParameters()

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

Expose the parameters for this module.

Reimplemented from CompositeProcessingSignalListener.

Definition at line 17 of file TrackSelector.cc.

18{
19 moduleParamList->addParameter(prefixed(prefix, "minNumberCDCHits"), m_param_minNumberCDCHits,
20 "Minimal number of CDC hits for a track", m_param_minNumberCDCHits);
21 moduleParamList->addParameter(prefixed(prefix, "maximumNumberOfTracks"), m_param_maximumNumberOfTracks,
22 "Maximal number of tracks in an event", m_param_maximumNumberOfTracks);
23 moduleParamList->addParameter(prefixed(prefix, "minimumTrackPt"), m_param_minimumTrackPt,
24 "Minimal pt for a track", m_param_minimumTrackPt);
25}
void addParameter(const std::string &name, T &paramVariable, const std::string &description, const T &defaultValue)
Adds a new parameter to the module list.

◆ getDescription() [1/2]

virtual std::string getDescription ( )
inlinevirtualinherited

Brief description of the purpose of the concrete findlet.

Definition at line 60 of file Findlet.h.

61 {
62 return "(no description)";
63 }

◆ getDescription() [2/2]

virtual std::string getDescription ( )
inlinevirtualinherited

Brief description of the purpose of the concrete findlet.

Definition at line 60 of file Findlet.h.

61 {
62 return "(no description)";
63 }

◆ getNProcessingSignalListener()

int getNProcessingSignalListener ( )
protectedinherited

Get the number of currently registered listeners.

Definition at line 56 of file CompositeProcessingSignalListener.cc.

61{
63}

◆ initialize()

void initialize ( )
overrideinherited

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

Definition at line 30 of file CompositeProcessingSignalListener.cc.

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

◆ 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.
virtual void terminate()
Receive 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_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 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.


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