Finds tracks from a collection of 2D hits. More...

#include <algorithms/tracking/HoughFinder2DAlgo.h>

Inheritance diagram for Herd::HoughFinder2DAlgo:

Public Member Functions
	HoughFinder2DAlgo (const std::string &name)
	Constructor. More...

bool	Initialize () override
	Initialization of the algorithm. More...

bool	Process () override
	Process a single event. More...

bool	Finalize () override
	Post processing part. More...

int	GetVotingIndex (float R, float Theta)
	Computes voting space index for a given pair of R-Theta. More...

std::pair< float, float >	GetRTheta (int votingIndex)
	Returns R and Theta values given a voting space index. More...

void	FindTracks (RefFrame::View view, const HFClusters &clusters)
	Takes a collection of clusters on a given view and finds all the tracks. More...

Private Member Functions
void	ImportSiliconDetectorHits (const SiliconDetectorClustersColl &clColl, const SiliconDetectorGeoParamsColl &geoParamsColl, HFCluster::DetectorType detType)

void	ImportFitHits (const FitClustersColl &clColl, const FitGeoParamsColl &geoParamsColl)

void	ClearVotingSpace ()

void	FillVotingSpace (RefFrame::View view, const HFClusters &clusters)

void	RemoveFromVotingSpace (const Cluster &cluster)

int	FindCandidateTrack ()

std::vector< HoughTrackStub >	AccumulateVotes (int votingIndex)

void	SearchVotes (int votingIndex, std::vector< int > &vIndexes)

std::pair< bool, HFCluster >	FindClusterFromSeedIndex (const HFClusters &clColl, unsigned int clID)

std::pair< float, float >	GetAvRTheta (const std::vector< HoughTrackStub > &votes)

Track2D	BuildTrackFromVotes (std::vector< HoughTrackStub > &votes, const HFClusters &clColl)

std::tuple< StkClustersColl, ScdClustersColl, FitClustersColl >	FillClusterCollections (const std::vector< HoughTrackStub > &votes, const HFClusters &clColl)

Private Attributes
std::string	_collName = "tracks2DColl_hough"

bool	_publishAlias = true

bool	_useSCD = true

bool	_useFIT = true

unsigned int	_nThetaDiv

unsigned int	_nRDiv

float	_RMax

unsigned int	_nVotes

HFClusters	_clXZ

HFClusters	_clYZ

HFClusters	_clXY

std::unordered_map< int, std::vector< HoughTrackStub > >	_votingSpace

EA::observer_ptr< StkGeoParamsColl >	_stkGeoParamsColl

EA::observer_ptr< ScdGeoParamsColl >	_scdGeoParamsColl

EA::observer_ptr< FitGeoParamsColl >	_fitGeoParamsColl

Track2DColl	_trackColl

StorePtr	_globStore

StorePtr	_evStore

Detailed Description

Finds tracks from a collection of 2D hits.

Needed event objects:

name	type	store	optional	description
stkClusterscollMC	StkClustersColl	evStore	yes	The clusters of the STK.
fitClusterscollADC	FitClustersColl	evStore	yes	The clusters of the FIT.
scdClusterscollMC	ScdClustersColl	evStore	yes	The clusters of the SCD.

Produced event objects:

name	type	alias	store	description
${collectionName}	Track2DColl	tracks2DColl	evStore	The collection of reconstructed tracks along each view.

Parameters:

name	type	default value	description
collectionName	string	tracks2DColl_hough	Name of the output track collection.
publishAlias	bool	true	Set the alias of the pubblished collection.
useSCD	bool	true	Use SCD clusters in track-finding.
useFIT	bool	true	Use FIT clusters in track-finding.
nThetaDiv	int	500	Number of divisions in the theta axis.
nRDiv	int	500	Number of divisions in the r axis.
RMax	float	100	Max abs value of r [cm].
nVotes	int	6	Minimum number of votes for a track.

Constructor & Destructor Documentation

◆ HoughFinder2DAlgo()

Herd::HoughFinder2DAlgo::HoughFinder2DAlgo ( const std::string & name )

Constructor.

Parameters

name	The name of the algorithm

Member Function Documentation

◆ AccumulateVotes()

std::vector< HoughTrackStub > Herd::HoughFinder2DAlgo::AccumulateVotes ( int votingIndex )

private

◆ BuildTrackFromVotes()

Track2D Herd::HoughFinder2DAlgo::BuildTrackFromVotes	(	std::vector< HoughTrackStub > &	votes,
		const HFClusters &	clColl
	)

private

◆ ClearVotingSpace()

void Herd::HoughFinder2DAlgo::ClearVotingSpace ( )

inlineprivate

◆ FillClusterCollections()

std::tuple< StkClustersColl, ScdClustersColl, FitClustersColl > Herd::HoughFinder2DAlgo::FillClusterCollections	(	const std::vector< HoughTrackStub > &	votes,
		const HFClusters &	clColl
	)

private

◆ FillVotingSpace()

void Herd::HoughFinder2DAlgo::FillVotingSpace	(	RefFrame::View	view,
		const HFClusters &	clusters
	)

private

◆ Finalize()

bool Herd::HoughFinder2DAlgo::Finalize ( )

override

Post processing part.

Returns: If post-processing is successful.

◆ FindCandidateTrack()

int Herd::HoughFinder2DAlgo::FindCandidateTrack ( )

private

◆ FindClusterFromSeedIndex()

std::pair< bool, HFCluster > Herd::HoughFinder2DAlgo::FindClusterFromSeedIndex	(	const HFClusters &	clColl,
		unsigned int	clID
	)

private

◆ FindTracks()

void Herd::HoughFinder2DAlgo::FindTracks	(	RefFrame::View	view,
		const HFClusters &	clusters
	)

Takes a collection of clusters on a given view and finds all the tracks.

Parameters

view	The view in wihch track finding should be performed
clusters	Input set of clusters for track finding

Returns: A collection of 2D tracks

◆ GetAvRTheta()

std::pair< float, float > Herd::HoughFinder2DAlgo::GetAvRTheta ( const std::vector< HoughTrackStub > & votes )

private

◆ GetRTheta()

std::pair< float, float > Herd::HoughFinder2DAlgo::GetRTheta ( int votingIndex )

Returns R and Theta values given a voting space index.

Returns: A std::pair containing R and Theta

◆ GetVotingIndex()

int Herd::HoughFinder2DAlgo::GetVotingIndex	(	float	R,
		float	Theta
	)

Computes voting space index for a given pair of R-Theta.

The voting space index is computed as floor((R / _RMax + 1) * _nRDiv / 2)*_nThetaDiv + floor(Theta / M_PI * _nThetaDiv)

Returns: The voting space index

◆ ImportFitHits()

void Herd::HoughFinder2DAlgo::ImportFitHits	(	const FitClustersColl &	clColl,
		const FitGeoParamsColl &	geoParamsColl
	)

private

◆ ImportSiliconDetectorHits()

void Herd::HoughFinder2DAlgo::ImportSiliconDetectorHits	(	const SiliconDetectorClustersColl &	clColl,
		const SiliconDetectorGeoParamsColl &	geoParamsColl,
		HFCluster::DetectorType	detType
	)

private

◆ Initialize()

bool Herd::HoughFinder2DAlgo::Initialize ( )

override

Initialization of the algorithm.

Returns: true if the initialization procedure is successful.

◆ Process()

bool Herd::HoughFinder2DAlgo::Process ( )

override

Process a single event.

Returns: If event processing is successful.

◆ RemoveFromVotingSpace()

void Herd::HoughFinder2DAlgo::RemoveFromVotingSpace ( const Cluster & cluster )

private

◆ SearchVotes()

void Herd::HoughFinder2DAlgo::SearchVotes	(	int	votingIndex,
		std::vector< int > &	vIndexes
	)

private

Member Data Documentation

◆ _clXY

HFClusters Herd::HoughFinder2DAlgo::_clXY

private

◆ _clXZ

HFClusters Herd::HoughFinder2DAlgo::_clXZ

private

◆ _clYZ

HFClusters Herd::HoughFinder2DAlgo::_clYZ

private

◆ _collName

std::string Herd::HoughFinder2DAlgo::_collName = "tracks2DColl_hough"

private

◆ _evStore

StorePtr Herd::HoughFinder2DAlgo::_evStore

private

◆ _fitGeoParamsColl

EA::observer_ptr<FitGeoParamsColl> Herd::HoughFinder2DAlgo::_fitGeoParamsColl

private

◆ _globStore

StorePtr Herd::HoughFinder2DAlgo::_globStore

private

◆ _nRDiv

unsigned int Herd::HoughFinder2DAlgo::_nRDiv

private

◆ _nThetaDiv

unsigned int Herd::HoughFinder2DAlgo::_nThetaDiv

private

◆ _nVotes

unsigned int Herd::HoughFinder2DAlgo::_nVotes

private

◆ _publishAlias

bool Herd::HoughFinder2DAlgo::_publishAlias = true

private

◆ _RMax

float Herd::HoughFinder2DAlgo::_RMax

private

◆ _scdGeoParamsColl

EA::observer_ptr<ScdGeoParamsColl> Herd::HoughFinder2DAlgo::_scdGeoParamsColl

private

◆ _stkGeoParamsColl

EA::observer_ptr<StkGeoParamsColl> Herd::HoughFinder2DAlgo::_stkGeoParamsColl

private

◆ _trackColl

Track2DColl Herd::HoughFinder2DAlgo::_trackColl

private

◆ _useFIT

bool Herd::HoughFinder2DAlgo::_useFIT = true

private

◆ _useSCD

bool Herd::HoughFinder2DAlgo::_useSCD = true

private

◆ _votingSpace

std::unordered_map<int, std::vector<HoughTrackStub> > Herd::HoughFinder2DAlgo::_votingSpace

private

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

/builds/herd/HerdSoftware/include/analysis/algorithms/tracking/HoughFinder2DAlgo.h
/builds/herd/HerdSoftware/src/analysis/algorithms/tracking/HoughFinder2DAlgo.cpp

Public Member Functions

Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

◆ HoughFinder2DAlgo()

Member Function Documentation

◆ AccumulateVotes()

◆ BuildTrackFromVotes()

◆ ClearVotingSpace()

◆ FillClusterCollections()

◆ FillVotingSpace()

◆ Finalize()

◆ FindCandidateTrack()

◆ FindClusterFromSeedIndex()

◆ FindTracks()

◆ GetAvRTheta()

◆ GetRTheta()

◆ GetVotingIndex()

◆ ImportFitHits()

◆ ImportSiliconDetectorHits()

◆ Initialize()

◆ Process()

◆ RemoveFromVotingSpace()

◆ SearchVotes()

Member Data Documentation

◆ _clXY

◆ _clXZ

◆ _clYZ

◆ _collName

◆ _evStore

◆ _fitGeoParamsColl

◆ _globStore

◆ _nRDiv

◆ _nThetaDiv

◆ _nVotes

◆ _publishAlias

◆ _RMax

◆ _scdGeoParamsColl

◆ _stkGeoParamsColl

◆ _trackColl

◆ _useFIT

◆ _useSCD

◆ _votingSpace