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

std::pair< float, float >	RTheta (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	ImportHits (const ClusterColl &clColl, const GeoParamsColl &geoParamsColl, HFCluster::DetectorType detType)

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 >	RThetaAverage (const std::vector< HoughTrackStub > &votes)

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

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

Private Attributes
std::string	m_collName = "tracks2DColl_hough"

bool	m_publishAlias = true

bool	m_useSCD = true

bool	m_useFIT = true

unsigned int	m_nThetaDiv

unsigned int	m_nRDiv

float	m_RMax

unsigned int	m_nVotes

HFClusters	m_clXZ

HFClusters	m_clYZ

HFClusters	m_clXY

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

EA::observer_ptr< ScdGeoParamsColl >	m_scdGeoParamsColl

EA::observer_ptr< FitGeoParamsColl >	m_fitGeoParamsColl

Track2DColl	m_trackColl

EA::StorePtr	m_globStore

EA::StorePtr	m_evStore

Detailed Description

Finds tracks from a collection of 2D hits.

Needed event objects:

name	type	store	optional	description
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< 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

◆ ImportHits()

void Herd::HoughFinder2DAlgo::ImportHits	(	const ClusterColl &	clColl,
		const GeoParamsColl &	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

◆ RTheta()

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

Returns R and Theta values given a voting space index.

Returns: A std::pair containing R and Theta

◆ RThetaAverage()

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

private

◆ SearchVotes()

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

private

◆ VotingIndex()

int Herd::HoughFinder2DAlgo::VotingIndex	(	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

Member Data Documentation

◆ m_clXY

HFClusters Herd::HoughFinder2DAlgo::m_clXY

private

◆ m_clXZ

HFClusters Herd::HoughFinder2DAlgo::m_clXZ

private

◆ m_clYZ

HFClusters Herd::HoughFinder2DAlgo::m_clYZ

private

◆ m_collName

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

private

◆ m_evStore

EA::StorePtr Herd::HoughFinder2DAlgo::m_evStore

private

◆ m_fitGeoParamsColl

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

private

◆ m_globStore

EA::StorePtr Herd::HoughFinder2DAlgo::m_globStore

private

◆ m_nRDiv

unsigned int Herd::HoughFinder2DAlgo::m_nRDiv

private

◆ m_nThetaDiv

unsigned int Herd::HoughFinder2DAlgo::m_nThetaDiv

private

◆ m_nVotes

unsigned int Herd::HoughFinder2DAlgo::m_nVotes

private

◆ m_publishAlias

bool Herd::HoughFinder2DAlgo::m_publishAlias = true

private

◆ m_RMax

float Herd::HoughFinder2DAlgo::m_RMax

private

◆ m_scdGeoParamsColl

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

private

◆ m_trackColl

Track2DColl Herd::HoughFinder2DAlgo::m_trackColl

private

◆ m_useFIT

bool Herd::HoughFinder2DAlgo::m_useFIT = true

private

◆ m_useSCD

bool Herd::HoughFinder2DAlgo::m_useSCD = true

private

◆ m_votingSpace

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

private

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

/builds/herd/HerdSoftware/include/herd/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()

◆ ImportHits()

◆ Initialize()

◆ Process()

◆ RemoveFromVotingSpace()

◆ RTheta()

◆ RThetaAverage()

◆ SearchVotes()

◆ VotingIndex()

Member Data Documentation

◆ m_clXY

◆ m_clXZ

◆ m_clYZ

◆ m_collName

◆ m_evStore

◆ m_fitGeoParamsColl

◆ m_globStore

◆ m_nRDiv

◆ m_nThetaDiv

◆ m_nVotes

◆ m_publishAlias

◆ m_RMax

◆ m_scdGeoParamsColl

◆ m_trackColl

◆ m_useFIT

◆ m_useSCD

◆ m_votingSpace