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)

void	BuildTrackFromVotes (std::vector< HoughTrackStub > &votes, const HFClusters &clusters)

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

Private Attributes
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

std::vector< Track2D >	_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	no	The clusters of the STKs.

Produced global objects:

name	-type-	store	description
HoughTracksXZ	std::vector<Track2D>	evStore	The collection of XZ tracks.
HoughTracksYZ	std::vector<Track2D>	evStore	The collection of YZ tracks.
HoughTracksXY	std::vector<Track2D>	evStore	The collection of XY tracks.

Parameters:

name	type	default value	description
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()

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

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

◆ _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

◆ _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

std::vector<Track2D> Herd::HoughFinder2DAlgo::_trackColl

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/HoughFinder/HoughFinder2DAlgo.h
/builds/herd/HerdSoftware/src/analysis/algorithms/tracking/HoughFinder/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

◆ _evStore

◆ _fitGeoParamsColl

◆ _globStore

◆ _nRDiv

◆ _nThetaDiv

◆ _nVotes

◆ _RMax

◆ _scdGeoParamsColl

◆ _stkGeoParamsColl

◆ _trackColl

◆ _votingSpace