Implement virtual track selection for AOD analysis. More...

#include <AliEmcalTrackSelectionAOD.h>

Inheritance diagram for AliEmcalTrackSelectionAOD:

Public Member Functions
	AliEmcalTrackSelectionAOD ()
	Main constructor. More...

	AliEmcalTrackSelectionAOD (ETrackFilterType_t type, const char *period="")
	Constructor for periods. More...

	AliEmcalTrackSelectionAOD (AliVCuts *cuts, UInt_t filterbits)
	Main Constructor. More...

virtual	~AliEmcalTrackSelectionAOD ()
	Destructor. More...

virtual void	GenerateTrackCuts (ETrackFilterType_t type, const char *="")
	Automatically generates track cuts depending on the requested type of filtering. More...

virtual bool	IsTrackAccepted (AliVTrack *const trk)
	Performing track selection. More...

void	AddFilterBit (UInt_t filterbits)
	Add a new filter bit to the track selection. More...

Public Member Functions inherited from AliEmcalTrackSelection
	AliEmcalTrackSelection ()
	Default consturctor. More...

	AliEmcalTrackSelection (const AliEmcalTrackSelection &ref)
	Copy constructor. More...

AliEmcalTrackSelection &	operator= (const AliEmcalTrackSelection &ref)
	Assingment operator. More...

virtual	~AliEmcalTrackSelection ()
	Destructor. More...

TObjArray *	GetAcceptedTracks (const TClonesArray *const tracks)
	Select tracks from a TClonesArray of input tracks. More...

TObjArray *	GetAcceptedTracks (const AliVEvent *const event)
	Select tracks from a virtual event. More...

void	AddTrackCuts (AliVCuts *cuts)
	Add new track cuts to the list of cuts. More...

void	AddTrackCuts (TObjArray *cuts)
	Add new set of track cuts to the list of cuts. More...

Int_t	GetNumberOfCutObjects () const
	Get the number of cut objects assigned. More...

AliVCuts *	GetTrackCuts (Int_t icut)
	Access to track cuts at a given position. More...

const TBits &	GetTrackBitmap () const
	Get selection bitmap for the last handled track. More...

const TClonesArray *	GetAcceptedTrackBitmaps () const

void	SetSelectionModeAny ()
	Set selection mode to any. More...

void	SetSelectionModeAll ()
	Set selection mode to all. More...

virtual void	SaveQAObjects (TList *outputList)

Static Public Member Functions
static Bool_t	GetHybridFilterBits (Char_t bits[], TString period)
	Returns the hybrid filter bits according to a hard-coded look-up table. More...

Private Attributes
UInt_t	fFilterBits
	Track filter bits. More...

Bool_t	fFilterHybridTracks
	Filter hybrid tracks using AliAODTrack::IsHybridGlobalConstrainedGlobal. More...

Bool_t	fFilterTPCTracks
	Filter TPC-only tracks using AliAODTrack::IsHybridGlobalConstrainedGlobal. More...

Char_t	fHybridFilterBits [2]
	Filter bits of hybrid tracks. More...

Additional Inherited Members
Public Types inherited from AliEmcalTrackSelection
enum	ETrackFilterType_t { kNoTrackFilter = 0, kCustomTrackFilter, kHybridTracks, kTPCOnlyTracks }
	Pre-defined track filters. More...

Protected Attributes inherited from AliEmcalTrackSelection
TObjArray *	fListOfTracks
	TObjArray with accepted tracks. More...

TClonesArray *	fListOfTrackBitmaps
	TClonesArray with accepted tracks' bit maps. More...

TBits	fTrackBitmap
	Bitmap of last accepted/rejected track. More...

TObjArray *	fListOfCuts
	List of track cut objects. More...

Bool_t	fSelectionModeAny
	Accept track if any of the cuts is fulfilled. More...

Detailed Description

Implement virtual track selection for AOD analysis.

Author: Markus Fasel marku.nosp@m.s.fa.nosp@m.sel@c.nosp@m.ern..nosp@m.ch, Lawrence Berkeley National Laboratory

Date: Jul 24, 2015

Implementation of track selection in case the analysis runs on AODs For the moment it uses the AliESDtrackCuts and converts AOD tracks to ESD tracks, which might change in the future when an AOD track selection framework becomes available.

Definition at line 24 of file AliEmcalTrackSelectionAOD.h.

Constructor & Destructor Documentation

AliEmcalTrackSelectionAOD::AliEmcalTrackSelectionAOD ( )

Main constructor.

Initializes fields with 0 (or NULL). For ROOT I/O, not intended to be used by the users.

Definition at line 30 of file AliEmcalTrackSelectionAOD.cxx.

AliEmcalTrackSelectionAOD::AliEmcalTrackSelectionAOD	(	ETrackFilterType_t	type,
		const char *	period = `""`
	)

Constructor for periods.

Initializing track cuts depending on the requested type of filtering

Parameters

[in]	type	Track filtering type
[in]	period	Period string (e.g. LHC11h)

Definition at line 51 of file AliEmcalTrackSelectionAOD.cxx.

AliEmcalTrackSelectionAOD::AliEmcalTrackSelectionAOD	(	AliVCuts *	cuts,
		UInt_t	filterbits
	)

Main Constructor.

Initalizing also track cuts and filter bits. In case the initial cuts is a nullpointer, only filter bits are used for the track selection. This constructor is intended to be used by the users.

Parameters

[in]	cuts	Inital track cut object (of type AliESDtrackCuts, can be a nullpointer)
[in]	filterbits	Filter bits required

Definition at line 40 of file AliEmcalTrackSelectionAOD.cxx.

virtual AliEmcalTrackSelectionAOD::~AliEmcalTrackSelectionAOD ( )

inlinevirtual

Destructor.

Definition at line 59 of file AliEmcalTrackSelectionAOD.h.

Member Function Documentation

void AliEmcalTrackSelectionAOD::AddFilterBit ( UInt_t filterbits )

inline

Add a new filter bit to the track selection.

Multiple filter bits can be set at the same time (via the bitwise or operator |).

Parameters

filterbits Filter bits used to select tracks

Definition at line 90 of file AliEmcalTrackSelectionAOD.h.

Referenced by EMCalTriggerPtAnalysis::AliAnalysisTaskEmcalClusterMatched::InitializeTrackSelections(), and EMCalTriggerPtAnalysis::AliEmcalAnalysisFactory::TrackCutsFactory().

void AliEmcalTrackSelectionAOD::GenerateTrackCuts	(	ETrackFilterType_t	type,
		const char *	period = `""`
	)

virtual

Automatically generates track cuts depending on the requested type of filtering.

Parameters

[in] type Track filtering type

Implements AliEmcalTrackSelection.

Definition at line 62 of file AliEmcalTrackSelectionAOD.cxx.

Referenced by AliEmcalTrackSelectionAOD().

Bool_t AliEmcalTrackSelectionAOD::GetHybridFilterBits	(	Char_t	bits[],
		TString	period
	)

static

Returns the hybrid filter bits according to a hard-coded look-up table.

Parameters

[in]	bits	c-array of 2 elements where the bits are returned
[in]	period	data taking period

Returns: true if successful, false otherwise

Definition at line 149 of file AliEmcalTrackSelectionAOD.cxx.

Referenced by GenerateTrackCuts().

bool AliEmcalTrackSelectionAOD::IsTrackAccepted ( AliVTrack *const trk )

virtual

Performing track selection.

Function checks whether track is accepted under the given track selection cuts. The function can handle AliAODTrack and AliPicoTrack, while for AliPico track an AliAODTrack is expected to be the underlying structure. If it is not possible to access an AOD track from the input track, the object will not be selected. Otherwise first the status bits are checked (if requested), and if further track cuts (of type AliESDtrackCuts) are provided, the track is converted to an ESD track for further checks.

Parameters

[in] trk Track to check