#include <coresoftware/blob/master/offline/packages/trackreco/PHCASeeding.h>

Inheritance diagram for PHCASeeding:

Collaboration diagram for PHCASeeding:

Public Member Functions
	PHCASeeding (const std::string &name="PHCASeeding", unsigned int start_layer=7, unsigned int end_layer=55, unsigned int min_nhits_per_cluster=0, unsigned int min_clusters_per_track=5, const unsigned int nlayers_maps=3, const unsigned int nlayers_intt=4, const unsigned int nlayers_tpc=48, float neighbor_phi_width=.02, float neighbor_eta_width=.01, float maxSinPhi=0.999, float cosTheta_limit=-0.8)

	~PHCASeeding () override

void	SetLayerRange (unsigned int layer_low, unsigned int layer_up)

void	SetSearchWindow (float eta_width, float phi_width)

void	SetMinHitsPerCluster (unsigned int minHits)

void	SetMinClustersPerTrack (unsigned int minClus)

void	set_field_dir (const double rescale)

void	useConstBField (bool opt)

void	useFixedClusterError (bool opt)

void	setFixedClusterError (int i, double val)

Public Member Functions inherited from PHTrackSeeding
	PHTrackSeeding (const std::string &name="PHTrackSeeding")

	~PHTrackSeeding () override

int	InitRun (PHCompositeNode *topNode) override

int	process_event (PHCompositeNode *topNode) override

int	End (PHCompositeNode *topNode) override
	Called at the end of all processing.

void	set_track_map_name (const std::string &map_name)

void	SetUseTruthClusters (bool setit)

void	SetIteration (int iter)

Public Member Functions inherited from SubsysReco
	~SubsysReco () override

virtual int	EndRun (const int)
	Called at the end of each run.

virtual int	Init (PHCompositeNode *)

virtual int	Reset (PHCompositeNode *)
	Reset.

virtual int	ResetEvent (PHCompositeNode *)
	Clean up after each event.

void	Print (const std::string &="ALL") const override

Public Member Functions inherited from Fun4AllBase
virtual	~Fun4AllBase ()

virtual const std::string	Name () const
	Returns the name of this module.

virtual void	Name (const std::string &name)
	Sets the name of this module.

virtual void	Verbosity (const int ival)
	Sets the verbosity of this module (0 by default=quiet).

virtual void	Verbosity (enu_Verbosity ival)
	Sets the verbosity of this module (0 by default=quiet).

virtual int	Verbosity () const
	Gets the verbosity of this module.

Protected Member Functions
int	Setup (PHCompositeNode *topNode) override

int	Process (PHCompositeNode *topNode) override

int	InitializeGeometry (PHCompositeNode *topNode)

int	FindSeedsLayerSkip (double cosTheta_limit)

int	End () override
	Called in SubsysReco::End.

Private Types
enum	skip_layers { on, off }

Private Member Functions
Acts::Vector3D	getGlobalPosition (TrkrCluster *) const
	get global position for a given cluster

PositionMap	FillTree ()

int	FindSeedsWithMerger (const PositionMap &)

std::pair< std::vector < std::unordered_set< keylink > >, std::vector < std::unordered_set< keylink > > >	CreateLinks (const std::vector< coordKey > &clusters, const PositionMap &globalPositions, int mode=skip_layers::off) const

std::vector< std::vector < keylink > >	FindBiLinks (const std::vector< std::unordered_set< keylink >> &belowLinks, const std::vector< std::unordered_set< keylink >> &aboveLinks) const

std::vector< keylist >	FollowBiLinks (const std::vector< std::vector< keylink >> &bidirectionalLinks, const PositionMap &globalPositions) const

void	QueryTree (const bgi::rtree< pointKey, bgi::quadratic< 16 >> &rtree, double phimin, double etamin, double lmin, double phimax, double etamax, double lmax, std::vector< pointKey > &returned_values) const

std::vector< keylist >	RemoveBadClusters (const std::vector< keylist > &seeds, const PositionMap &globalPositions) const

void	publishSeeds (const std::vector< SvtxTrack_v2 > &seeds)

Private Attributes
ActsTransformations	m_transform
	acts transformation object

TpcDistortionCorrection	m_distortionCorrection
	tpc distortion correction utility class

const unsigned int	_nlayers_maps

const unsigned int	_nlayers_intt

const unsigned int	_nlayers_tpc

unsigned int	_start_layer

unsigned int	_end_layer

unsigned int	_min_nhits_per_cluster

unsigned int	_min_clusters_per_track

float	_neighbor_phi_width

float	_neighbor_eta_width

float	_max_sin_phi

float	_cosTheta_limit

double	_rz_outlier_threshold = 0.1

double	_xy_outlier_threshold = 0.1

double	_fieldDir = -1

bool	_use_const_field = false

bool	_use_fixed_clus_err = false

std::array< double, 3 >	_fixed_clus_err = {.1,.1,.1}

ActsTrackingGeometry *	tGeometry {nullptr}
	acts geometry

ActsSurfaceMaps *	surfMaps {nullptr}
	acts surface map

TpcDistortionCorrectionContainer *	m_dcc = nullptr
	distortion correction container

std::unique_ptr< ALICEKF >	fitter

std::unique_ptr< PHTimer >	t_seed

std::unique_ptr< PHTimer >	t_fill

bgi::rtree< pointKey, bgi::quadratic< 16 > >	_rtree

Additional Inherited Members
Public Types inherited from Fun4AllBase
enum	enu_Verbosity { VERBOSITY_QUIET = 0, VERBOSITY_SOME = 1, VERBOSITY_MORE = 2, VERBOSITY_EVEN_MORE = 3, VERBOSITY_A_LOT = 4, VERBOSITY_MAX = INT_MAX - 10 }

Protected Attributes inherited from PHTrackSeeding
TrkrClusterContainer *	_cluster_map = nullptr

TrkrClusterHitAssoc *	_cluster_hit_map = nullptr

TrkrClusterIterationMapv1 *	_iteration_map

int	_n_iteration

SvtxVertexMap *	_vertex_map = nullptr

SvtxTrackMap *	_track_map = nullptr

AssocInfoContainer *	_assoc_container = nullptr

TrkrHitSetContainer *	_hitsets = nullptr

std::string	_track_map_name = "SvtxTrackMap"

bool	_use_truth_clusters = false

Detailed Description

Definition at line 57 of file PHCASeeding.h.

View newest version in sPHENIX GitHub at line 57 of file PHCASeeding.h

Member Enumeration Documentation

enum PHCASeeding::skip_layers

private

Enumerator:

on
off

Definition at line 101 of file PHCASeeding.h.

View newest version in sPHENIX GitHub at line 101 of file PHCASeeding.h

Constructor & Destructor Documentation

PHCASeeding::PHCASeeding	(	const std::string &	name = `"PHCASeeding"`,
		unsigned int	start_layer = `7`,
		unsigned int	end_layer = `55`,
		unsigned int	min_nhits_per_cluster = `0`,
		unsigned int	min_clusters_per_track = `5`,
		const unsigned int	nlayers_maps = `3`,
		const unsigned int	nlayers_intt = `4`,
		const unsigned int	nlayers_tpc = `48`,
		float	neighbor_phi_width = `.02`,
		float	neighbor_eta_width = `.01`,
		float	maxSinPhi = `0.999`,
		float	cosTheta_limit = `-0.8`
	)

Definition at line 175 of file PHCASeeding.cc.

View newest version in sPHENIX GitHub at line 175 of file PHCASeeding.cc

PHCASeeding::~PHCASeeding ( )

inlineoverride

Definition at line 74 of file PHCASeeding.h.

View newest version in sPHENIX GitHub at line 74 of file PHCASeeding.h

Member Function Documentation

std::pair< std::vector< std::unordered_set< keylink > >, std::vector< std::unordered_set< keylink > > > PHCASeeding::CreateLinks	(	const std::vector< coordKey > &	clusters,
		const PositionMap &	globalPositions,
		int	mode = `skip_layers::off`
	)		const

private

Definition at line 373 of file PHCASeeding.cc.

View newest version in sPHENIX GitHub at line 373 of file PHCASeeding.cc

References _cosTheta_limit, _end_layer, _neighbor_eta_width, _neighbor_phi_width, _nlayers_intt, _nlayers_maps, _nlayers_tpc, _rtree, _start_layer, angle, LogDebug, QueryTree(), t_seed, Acts::Test::transform, and Fun4AllBase::Verbosity().

Referenced by FindSeedsWithMerger().

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int PHCASeeding::End ( )

overrideprotectedvirtual

Called in SubsysReco::End.

Implements PHTrackSeeding.

Definition at line 814 of file PHCASeeding.cc.

View newest version in sPHENIX GitHub at line 814 of file PHCASeeding.cc

References Fun4AllReturnCodes::EVENT_OK, and Fun4AllBase::Verbosity().

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PositionMap PHCASeeding::FillTree ( )

private

Definition at line 244 of file PHCASeeding.cc.

View newest version in sPHENIX GitHub at line 244 of file PHCASeeding.cc

References PHTrackSeeding::_cluster_map, _end_layer, PHTrackSeeding::_hitsets, PHTrackSeeding::_iteration_map, PHTrackSeeding::_n_iteration, _rtree, TrkrCluster::getClusKey(), TrkrClusterContainer::getClusters(), ActsTransformations::getGlobalPosition(), getGlobalPosition(), TrkrHitSetContainer::getHitSets(), TrkrClusterIterationMapv1::getIteration(), TrkrDefs::getLayer(), G4TTL::layer, QueryTree(), surfMaps, t_fill, tGeometry, TrkrDefs::tpcId, and Fun4AllBase::Verbosity().

Referenced by Process().

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std::vector< std::vector< keylink > > PHCASeeding::FindBiLinks	(	const std::vector< std::unordered_set< keylink >> &	belowLinks,
		const std::vector< std::unordered_set< keylink >> &	aboveLinks
	)		const

private

Definition at line 593 of file PHCASeeding.cc.

View newest version in sPHENIX GitHub at line 593 of file PHCASeeding.cc

References _nlayers_intt, _nlayers_maps, _nlayers_tpc, TrkrDefs::getLayer(), G4TTL::layer, second, t_seed, and Fun4AllBase::Verbosity().

Referenced by FindSeedsWithMerger().

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int PHCASeeding::FindSeedsLayerSkip ( double cosTheta_limit )

protected

int PHCASeeding::FindSeedsWithMerger ( const PositionMap & globalPositions )

private

Definition at line 344 of file PHCASeeding.cc.

View newest version in sPHENIX GitHub at line 344 of file PHCASeeding.cc

References _end_layer, _nlayers_tpc, _rtree, _start_layer, CreateLinks(), FindBiLinks(), fitter, FollowBiLinks(), LogDebug, M_PI, publishSeeds(), QueryTree(), RemoveBadClusters(), t_seed, and Fun4AllBase::Verbosity().

Referenced by Process().

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std::vector< keylist > PHCASeeding::FollowBiLinks	(	const std::vector< std::vector< keylink >> &	bidirectionalLinks,
		const PositionMap &	globalPositions
	)		const

private

Definition at line 619 of file PHCASeeding.cc.

View newest version in sPHENIX GitHub at line 619 of file PHCASeeding.cc

References _nlayers_intt, _nlayers_maps, _nlayers_tpc, TrkrDefs::getLayer(), imax, k, G4TTL::layer, LogDebug, second, t_seed, and Fun4AllBase::Verbosity().

Referenced by FindSeedsWithMerger().

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Acts::Vector3D PHCASeeding::getGlobalPosition ( TrkrCluster * cluster ) const

private

get global position for a given cluster

uses ActsTransformation to convert cluster local position into global coordinates incorporates TPC distortion correction, if present

Definition at line 222 of file PHCASeeding.cc.

View newest version in sPHENIX GitHub at line 222 of file PHCASeeding.cc

References TpcDistortionCorrection::get_corrected_position(), ActsTransformations::getGlobalPosition(), m_dcc, m_distortionCorrection, m_transform, surfMaps, and tGeometry.

Referenced by FillTree().

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int PHCASeeding::InitializeGeometry ( PHCompositeNode * topNode )

protected

Definition at line 203 of file PHCASeeding.cc.

View newest version in sPHENIX GitHub at line 203 of file PHCASeeding.cc

References Fun4AllReturnCodes::ABORTEVENT, Fun4AllReturnCodes::EVENT_OK, PHWHERE, surfMaps, and tGeometry.

Referenced by Setup().

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int PHCASeeding::Process ( PHCompositeNode * topNode )

overrideprotectedvirtual

process event interface for trackers, called in process_event. implemented in derived classes

Implements PHTrackSeeding.

Definition at line 316 of file PHCASeeding.cc.

View newest version in sPHENIX GitHub at line 316 of file PHCASeeding.cc

References PHTrackSeeding::_iteration_map, PHTrackSeeding::_n_iteration, _rtree, Fun4AllReturnCodes::ABORTEVENT, Fun4AllReturnCodes::EVENT_OK, FillTree(), FindSeedsWithMerger(), PHWHERE, t_seed, and Fun4AllBase::Verbosity().

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void PHCASeeding::publishSeeds ( const std::vector< SvtxTrack_v2 > & seeds )

private

Definition at line 779 of file PHCASeeding.cc.

View newest version in sPHENIX GitHub at line 779 of file PHCASeeding.cc

References PHTrackSeeding::_track_map, SvtxTrackMap::insert(), and seed.

Referenced by FindSeedsWithMerger().

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void PHCASeeding::QueryTree	(	const bgi::rtree< pointKey, bgi::quadratic< 16 >> &	rtree,
		double	phimin,
		double	etamin,
		double	lmin,
		double	phimax,
		double	etamax,
		double	lmax,
		std::vector< pointKey > &	returned_values
	)		const