Findlet for loading SVDSpacePoints and prepare them for usage in the FastInterceptFinder2D by creating VXDHoughStates in which the BeamSpotPosition is used to calculate the conformal transformed x,y coordinates and the creating pairs of coordinates for finding track candidates in r-phi and r-z. More...

#include <SpacePointLoaderAndPreparer.h>

Inheritance diagram for SpacePointLoaderAndPreparer:

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
	SpacePointLoaderAndPreparer ()
	Load clusters and prepare them for intercept finding.

void	exposeParameters (ModuleParamList *moduleParamList, const std::string &prefix) override
	Expose the parameters of the sub findlets.

void	initialize () override
	Create the store arrays.

void	beginRun () override
	Retrieve the BeamSpot from DB.

void	apply (std::vector< const SpacePoint * > &spacePoints, std::vector< VXDHoughState > &hits) override
	Load the SVD SpacePoints and create a VXDHoughState object for each hit.

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	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 = TrackFindingCDC::Findlet< const SpacePoint *, VXDHoughState >
	Parent class.

Private Attributes
std::string	m_SVDSpacePointStoreArrayName = "SVDSpacePoints"
	StoreArray name of the input Track Store Array.

bool	m_useAllSpacePoints = false
	Use all SVDSpacePoints for track finding or only unassigned ones.

StoreArray< SpacePoint >	m_storeSpacePoints
	Input SpacePoints Store Array.

B2Vector3D	m_BeamSpotPosition
	B2Vector3D actually containing the BeamSpot position. This will be passed on to the VXDHoughState for the conformal transformation.

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

Findlet for loading SVDSpacePoints and prepare them for usage in the FastInterceptFinder2D by creating VXDHoughStates in which the BeamSpotPosition is used to calculate the conformal transformed x,y coordinates and the creating pairs of coordinates for finding track candidates in r-phi and r-z.

Definition at line 35 of file SpacePointLoaderAndPreparer.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 = TrackFindingCDC::Findlet<const SpacePoint*, VXDHoughState>

private

Parent class.

Definition at line 37 of file SpacePointLoaderAndPreparer.h.

◆ ToVector

using ToVector = typename ToVectorImpl<T>::Type

protectedinherited

Short hand for ToRangeImpl.

Definition at line 49 of file Findlet.h.

Constructor & Destructor Documentation

◆ SpacePointLoaderAndPreparer()

SpacePointLoaderAndPreparer ( )

inline

Load clusters and prepare them for intercept finding.

Definition at line 41 of file SpacePointLoaderAndPreparer.h.

41{};

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	(	std::vector< const SpacePoint * > &	spacePoints,
		std::vector< VXDHoughState > &	hits
	)

inlineoverride

Load the SVD SpacePoints and create a VXDHoughState object for each hit.

Definition at line 76 of file SpacePointLoaderAndPreparer.h.

      {
        if (m_storeSpacePoints.getEntries() == 0) return;
 
        hits.reserve(m_storeSpacePoints.getEntries());
        spacePoints.reserve(m_storeSpacePoints.getEntries());
        for (auto& spacePoint : m_storeSpacePoints) {
          if (not m_useAllSpacePoints and spacePoint.getAssignmentState() == true) {
            continue;
          }
          hits.emplace_back(VXDHoughState(&spacePoint, m_BeamSpotPosition));
          spacePoints.emplace_back(&spacePoint);
        }
      };

◆ 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 ( )

inlineoverridevirtual

Retrieve the BeamSpot from DB.

Reimplemented from CompositeProcessingSignalListener.

Definition at line 63 of file SpacePointLoaderAndPreparer.h.

      {
        Super::beginRun();
 
        DBObjPtr<BeamSpot> beamSpotDB;
        if (beamSpotDB.isValid()) {
          m_BeamSpotPosition = (*beamSpotDB).getIPPosition();
        } else {
          m_BeamSpotPosition.SetXYZ(0., 0., 0.);
        }
      }

◆ 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
	)

inlineoverridevirtual

Expose the parameters of the sub findlets.

Reimplemented from Findlet< const SpacePoint *, VXDHoughState >.

Definition at line 44 of file SpacePointLoaderAndPreparer.h.

      {
        Super::exposeParameters(moduleParamList, prefix);
 
        moduleParamList->addParameter(TrackFindingCDC::prefixed(prefix, "SVDSpacePointStoreArrayName"), m_SVDSpacePointStoreArrayName,
                                      "Name of the SVDSpacePoints Store Array.", m_SVDSpacePointStoreArrayName);
 
        moduleParamList->addParameter(TrackFindingCDC::prefixed(prefix, "useAllSpacePoints"), m_useAllSpacePoints,
                                      "Use all SVDSpacePoints for track finding or only unassigned ones?", m_useAllSpacePoints);
      };

◆ getDescription()

virtual std::string getDescription ( )

inlinevirtualinherited

Brief description of the purpose of the concrete findlet.

Definition at line 60 of file Findlet.h.

      {
        return "(no description)";
      }

◆ 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 ( )

inlineoverridevirtual

Create the store arrays.

Reimplemented from CompositeProcessingSignalListener.

Definition at line 56 of file SpacePointLoaderAndPreparer.h.

      {
        Super::initialize();
        m_storeSpacePoints.isRequired(m_SVDSpacePointStoreArrayName);
      };

◆ 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_BeamSpotPosition

B2Vector3D m_BeamSpotPosition

private

B2Vector3D actually containing the BeamSpot position. This will be passed on to the VXDHoughState for the conformal transformation.

Definition at line 102 of file SpacePointLoaderAndPreparer.h.

◆ 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_storeSpacePoints

StoreArray<SpacePoint> m_storeSpacePoints

private

Input SpacePoints Store Array.

Definition at line 99 of file SpacePointLoaderAndPreparer.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_SVDSpacePointStoreArrayName

std::string m_SVDSpacePointStoreArrayName = "SVDSpacePoints"

private

StoreArray name of the input Track Store Array.

Definition at line 93 of file SpacePointLoaderAndPreparer.h.

◆ m_terminated

bool m_terminated = false

privateinherited

Flag to keep track whether termination happened before.

Definition at line 55 of file ProcessingSignalListener.h.

◆ m_useAllSpacePoints

bool m_useAllSpacePoints = false

private

Use all SVDSpacePoints for track finding or only unassigned ones.

Definition at line 96 of file SpacePointLoaderAndPreparer.h.

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

tracking/vxdHoughTracking/findlets/include/SpacePointLoaderAndPreparer.h

Public Types

Public Member Functions

Protected Types

Protected Member Functions

Private Types

Private Attributes

Detailed Description

Member Typedef Documentation

◆ IOTypes

◆ IOVectors

◆ Super

◆ ToVector

Constructor & Destructor Documentation

◆ SpacePointLoaderAndPreparer()

Member Function Documentation

◆ addProcessingSignalListener()

◆ apply()

◆ beginEvent()

◆ beginRun()

◆ endRun()

◆ exposeParameters()

◆ getDescription()

◆ getNProcessingSignalListener()

◆ initialize()

◆ terminate()

Member Data Documentation

◆ m_BeamSpotPosition

◆ m_initialized

◆ m_initializedAs

◆ m_storeSpacePoints

◆ m_subordinaryProcessingSignalListeners

◆ m_SVDSpacePointStoreArrayName

◆ m_terminated

◆ m_useAllSpacePoints