#include <TwoTrackAna.h>

Inheritance diagram for Hal::TwoTrackAna:

Public Types
enum	EAnaMode { kPerfectPairs , kPerfectPairsID , kPerfectPairsNID , kMixedPairs , kMixedPairsID , kMixedPairsNID , kRotatedPairs , kRotatedPairsID , kRotatedPairsNID , kHemispherePairs , kHemispherePairsID , kHemispherePairsNID , kNoBackgroundID , kNoBackgroundNID , kNoBackground , kCharged , kChargedID2 , kChargedID3 , kChargedNID2 , kChargedNID3 }

Public Types inherited from Hal::EventAna
enum class	EFormatOption { kCompress , kNoCompress , kKeepSource , kNoKeepSource , kDirectAccess , kNoDirectAccess , kReaderAccess , kNoReaderAcces , kDisableChecking , kStandardAcess }

Public Types inherited from Hal::Task
enum class	EInitFlag { kSUCCESS , kERROR , kFATAL }

Public Member Functions
	TwoTrackAna (Bool_t use_background=kFALSE)

	TwoTrackAna (const TwoTrackAna &ana)

TwoTrackAna &	operator= (const TwoTrackAna &other)

void	SetMixSize (Int_t mixsize)

void	ProceedWithEmtyEvents (Bool_t proceed)

virtual void	FinishTask ()

virtual void	SetOption (Option_t *option)

void	EnableNonIdentical ()

Public Member Functions inherited from Hal::MultiTrackAna
	MultiTrackAna (const MultiTrackAna &ana)

MultiTrackAna &	operator= (const MultiTrackAna &other)

void	SetMixSize (Int_t to_mix)

void	SetFormatBuffered (Event *format)

Public Member Functions inherited from Hal::TrackAna
	TrackAna (const TrackAna &ana)

TrackAna &	operator= (const TrackAna &other)

virtual void	Exec (Option_t *opt)

Public Member Functions inherited from Hal::EventAna
	EventAna ()

	EventAna (const EventAna &ana)

EventAna &	operator= (const EventAna &other)

virtual void	AddTags (TString tag)

virtual void	AddCut (const Cut &cut, Option_t *opt="")

virtual void	AddCutMonitor (const CutMonitor &mon, Option_t *opt="")

virtual void	AddCutsAndMonitors (const CutsAndMonitors &monCuts)

void	SetFormatOption (EFormatOption option)

virtual void	SetComment (TString comment)

virtual void	SetFormat (Event *format, EFormatDepth depth=EFormatDepth::kAll)

virtual	~EventAna ()

Public Member Functions inherited from Hal::Task
	Task ()

Static Public Member Functions
static TString	BackgroundOptionMixed ()

static TString	BackgroundOptionPerfect ()

static TString	BackgroundOptionRotated ()

static TString	BackgroundOptionHemisphere ()

static TString	BackgroundOptionCharge ()

static TString	BackgroundOptionNoBackground ()

static TwoTrack::PairType	GetPairType (EAnaMode mode)

Protected Member Functions
virtual void	SetTags ()

Bool_t	IdenticalParticles () const

virtual Package *	Report () const

virtual void	SetPairHiddenInfo ()

virtual void	DeleteHiddenPairInfo ()

virtual void	ProcessPair ()

virtual void	ProcessPair2 ()

virtual void	ProcessPair_Mixed ()

virtual void	ProcessPair2_Mixed ()

virtual void	ProcessPair_Perfect ()

virtual void	ProcessPair2_Perfect ()

virtual void	ProcessPair_Rotated ()

virtual void	ProcessPair2_Rotated ()

virtual void	ProcessPair_Hemisphere ()

virtual void	ProcessPair2_Hemisphere ()

virtual void	ProcessPair_ChargedId ()

virtual void	ProcessPair_ChargedNId ()

virtual void	ProcessPair_Charged2 ()

virtual void	ProcessPair2_Charged2 ()

virtual void	ProcessPair_Charged3 ()

virtual void	ProcessPair2_Charged3 ()

virtual void	ProcessEvent ()

virtual void	InitNewCutContainer ()

virtual void	CheckCutContainerCollections ()

virtual void	LinkCollections ()

virtual void	FinishEventIdentical ()

virtual void	FinishEventNonIdentical ()

virtual Task::EInitFlag	Init ()

Protected Member Functions inherited from Hal::MultiTrackAna
virtual void	ProcessTrack ()

virtual Task::EInitFlag	CheckFormat ()

	MultiTrackAna (ECutUpdate tiers)

Protected Member Functions inherited from Hal::TrackAna
	TrackAna (ECutUpdate tiers)

Protected Member Functions inherited from Hal::EventAna
TString	GetInputFileName () const

void	SetInputFileName (TString name)

virtual void	InitMemoryMap ()

Bool_t	IsInChain () const

void	MarkAsInChain ()

void	AddToAnaMetadata (Package main_pack, TObject obj) const

Task::EInitFlag	InitCutContainer ()

Int_t	GetTaskID () const

	EventAna (ECutUpdate tiers)

Protected Member Functions inherited from Hal::Task
void	GoToDir (TString name)

Protected Attributes
EAnaMode	fBackgroundMode

Int_t	fCurrentPairCollectionID

Int_t	fTwoTrackCollectionsNo

Int_t	fTwoTrackCollectionsNoBackground

TwoTrack *	fCurrentSignalPair

TwoTrack *	fCurrentBackgroundPair

Protected Attributes inherited from Hal::TrackAna
Int_t	fTrackCollectionsNo

Int_t	fCurrentTrackCollectionID

Int_t	fTrackIndex

Track *	fCurrentTrack

Protected Attributes inherited from Hal::EventAna
Int_t	fFormatOption

UInt_t	fProcessedEvents

Int_t	fMixSize

Int_t	fEventCollectionsNo

Int_t	fCurrentEventCollectionID

const ECutUpdate	fTiers

TDatabasePDG *	fPDG

CutContainer *	fCutContainer

MemoryMapManager *	fMemoryMap

Event *	fCurrentEvent

TString	fComment

Int_t	fInit

Friends
class	TwoTrackAnaChain

Additional Inherited Members
Protected Types inherited from Hal::EventAna
enum	eBitFormat { kCompression = 0 , kSource = 1 , kDirectAcesss = 2 , kReader = 3 , kChecking = 4 }

Detailed Description

basic class for making two track analysis

Definition at line 27 of file TwoTrackAna.h.

Member Enumeration Documentation

◆ EAnaMode

enum Hal::TwoTrackAna::EAnaMode

enum for describing of backgrounds

Enumerator
kPerfectPairs	kPerfectPairs
kPerfectPairsID	kPerfectPairsID
kPerfectPairsNID	kPerfectPairsNID
kMixedPairs	kMixedPairs
kMixedPairsID	kMixedPairsID
kMixedPairsNID	kMixedPairsNID
kRotatedPairs	kRotatedPairs
kRotatedPairsID	kRotatedPairsID
kRotatedPairsNID	kRotatedPairsNID
kHemispherePairs	kHemispherePairs
kHemispherePairsID	kHemispherePairsID
kHemispherePairsNID	kHemispherePairsNID
kNoBackgroundID	kNoBackgroundID
kNoBackgroundNID	kNoBackgroundNID
kNoBackground	kNoBackground
kCharged	kCharged
kChargedID2	kChargedID2
kChargedID3	kChargedID3
kChargedNID2	kChargedNID2
kChargedNID3	kChargedNID3

Definition at line 34 of file TwoTrackAna.h.

Constructor & Destructor Documentation

◆ TwoTrackAna() [1/2]

Hal::TwoTrackAna::TwoTrackAna ( Bool_t use_background = kFALSE )

default ct-or

Parameters

use_background - if true -then background should be used

Definition at line 25 of file TwoTrackAna.cxx.

◆ TwoTrackAna() [2/2]

Hal::TwoTrackAna::TwoTrackAna ( const TwoTrackAna & ana )

copy constructor

Parameters

ana

Definition at line 753 of file TwoTrackAna.cxx.

◆ ~TwoTrackAna()

Hal::TwoTrackAna::~TwoTrackAna ( )

virtual

Definition at line 535 of file TwoTrackAna.cxx.

Member Function Documentation

◆ BackgroundOptionCharge()

static TString Hal::TwoTrackAna::BackgroundOptionCharge ( )

inlinestatic

Returns: option to set charged background

Definition at line 330 of file TwoTrackAna.h.

◆ BackgroundOptionHemisphere()

static TString Hal::TwoTrackAna::BackgroundOptionHemisphere ( )

inlinestatic

Returns: option to set hemispehre background

Definition at line 325 of file TwoTrackAna.h.

◆ BackgroundOptionMixed()

static TString Hal::TwoTrackAna::BackgroundOptionMixed ( )

inlinestatic

Returns: option to set mixed background

Definition at line 310 of file TwoTrackAna.h.

◆ BackgroundOptionNoBackground()

static TString Hal::TwoTrackAna::BackgroundOptionNoBackground ( )

inlinestatic

Returns: option to set no background

Definition at line 335 of file TwoTrackAna.h.

◆ BackgroundOptionPerfect()

static TString Hal::TwoTrackAna::BackgroundOptionPerfect ( )

inlinestatic

Returns: option to set perfect background

Definition at line 315 of file TwoTrackAna.h.

◆ BackgroundOptionRotated()

static TString Hal::TwoTrackAna::BackgroundOptionRotated ( )

inlinestatic

Returns: option to set rotated background

Definition at line 320 of file TwoTrackAna.h.

◆ CheckCutContainerCollections()

void Hal::TwoTrackAna::CheckCutContainerCollections ( )

protectedvirtual

checking cut containers. should be overwritten in derived classes

Reimplemented from Hal::TrackAna.

Reimplemented in Hal::Femto1DCFAnaMap, and Hal::FemtoBasicAna.

Definition at line 170 of file TwoTrackAna.cxx.

◆ DeleteHiddenPairInfo()

void Hal::TwoTrackAna::DeleteHiddenPairInfo ( )

protectedvirtual

delete hidden pair info, by default it's done automatically

Definition at line 808 of file TwoTrackAna.cxx.

◆ EnableNonIdentical()

void Hal::TwoTrackAna::EnableNonIdentical ( )

inline

set this analysis as non-identical analysis

Definition at line 305 of file TwoTrackAna.h.

◆ FinishEventIdentical()

void Hal::TwoTrackAna::FinishEventIdentical ( )

protectedvirtual

finish event where pairs in signal are made from identical particles

Reimplemented in Hal::TwoTrackAnaChain.

Definition at line 304 of file TwoTrackAna.cxx.

◆ FinishEventNonIdentical()

void Hal::TwoTrackAna::FinishEventNonIdentical ( )

protectedvirtual

finish event where pairs in signal are made from identical particles

Reimplemented in Hal::TwoTrackAnaChain.

Definition at line 353 of file TwoTrackAna.cxx.

◆ FinishTask()

void Hal::TwoTrackAna::FinishTask ( )

virtual

called at the end of analysis save resutls

Reimplemented from Hal::MultiTrackAna.

Reimplemented in Hal::FemtoBasicAna, Hal::FemtoDumpPairAna, and Hal::TwoTrackAnaChain.

Definition at line 130 of file TwoTrackAna.cxx.

◆ GetPairType()

TwoTrack::PairType Hal::TwoTrackAna::GetPairType ( EAnaMode mode )

static

convert analysis pair type to pair type

Returns

Definition at line 771 of file TwoTrackAna.cxx.

◆ IdenticalParticles()

Bool_t Hal::TwoTrackAna::IdenticalParticles ( ) const

inlineprotected

Returns: true if identical particles are processed in signal

Definition at line 168 of file TwoTrackAna.h.

◆ Init()

Task::EInitFlag Hal::TwoTrackAna::Init ( )

protectedvirtual

initialize task, in principle all derived classes should usually call this method, this method do following steps:

CheckFormat() - check if format is set/good

SetInputFile() - set name of the input file
SetFormatOption(EFormatOption::kReaderAccess) - set reader format if no format is set

InitCutContainer() - initialize/check cut container

InitNewCutContainer() - init new container if no container is set
CheckCutContainerCollections()
LinkCollections()
fCutContainer->Init(GetTaskID())

InitMemoryMap() - initialize map to store events -SetMixSize() - sets default mix size -fMemoryMap->Init(GetTaskID(), TESTBIT(fFormatOption, eBitFormat::kCompression), brName);
AddTags() add tags

Returns: status of initialization

Reimplemented from Hal::MultiTrackAna.

Reimplemented in Hal::Femto1DCFAnaMap, Hal::FemtoBasicAna, Hal::FemtoDumpPairAna, Hal::FemtoEventBinsAna, Hal::FemtoFreezoutsAna, and Hal::TwoTrackAnaChain.

Definition at line 105 of file TwoTrackAna.cxx.

◆ InitNewCutContainer()

void Hal::TwoTrackAna::InitNewCutContainer ( )

protectedvirtual

init new cut container if current is NULL (may happen if user don't add any cut, should be overwritten in derived classes

Reimplemented from Hal::MultiTrackAna.

Definition at line 168 of file TwoTrackAna.cxx.

◆ LinkCollections()

void Hal::TwoTrackAna::LinkCollections ( )

protectedvirtual

link collections

Reimplemented from Hal::TrackAna.

Definition at line 234 of file TwoTrackAna.cxx.

◆ operator=()

TwoTrackAna & Hal::TwoTrackAna::operator= ( const TwoTrackAna & other )

assignement operator

Parameters

other

Returns

Definition at line 792 of file TwoTrackAna.cxx.

◆ ProceedWithEmtyEvents()

void Hal::TwoTrackAna::ProceedWithEmtyEvents ( Bool_t proceed )

inline

if set to true events without pairs are processed to mixing buffer

Parameters

proceed

Definition at line 288 of file TwoTrackAna.h.

◆ ProcessEvent()

void Hal::TwoTrackAna::ProcessEvent ( )

protectedvirtual

process event, can be be overwritten in derived classes

Reimplemented from Hal::MultiTrackAna.

Reimplemented in Hal::FemtoBasicAna, Hal::FemtoEventBinsAna, and Hal::TwoTrackAnaChain.

Definition at line 417 of file TwoTrackAna.cxx.

◆ ProcessPair()

virtual void Hal::TwoTrackAna::ProcessPair ( )

inlineprotectedvirtual

process pair of identical particles in signal

Reimplemented in Hal::FemtoBasicAna, Hal::FemtoFreezoutsAna, and Hal::TwoTrackAnaChain.

Definition at line 181 of file TwoTrackAna.h.

◆ ProcessPair2()

virtual void Hal::TwoTrackAna::ProcessPair2 ( )

inlineprotectedvirtual

process pair of non-identical particles in signal

Reimplemented in Hal::FemtoBasicAna, Hal::FemtoFreezoutsAna, and Hal::TwoTrackAnaChain.

Definition at line 185 of file TwoTrackAna.h.

◆ ProcessPair2_Charged2()

virtual void Hal::TwoTrackAna::ProcessPair2_Charged2 ( )

inlineprotectedvirtual

process pair of identical particles in charged background (where singlal is made from non-identical particles)

Reimplemented in Hal::TwoTrackAnaChain.

Definition at line 235 of file TwoTrackAna.h.

◆ ProcessPair2_Charged3()

virtual void Hal::TwoTrackAna::ProcessPair2_Charged3 ( )

inlineprotectedvirtual

process pair of identical particles in charged background (where singlal is made from non-identical particles)

Reimplemented in Hal::TwoTrackAnaChain.

Definition at line 245 of file TwoTrackAna.h.

◆ ProcessPair2_Hemisphere()

virtual void Hal::TwoTrackAna::ProcessPair2_Hemisphere ( )

inlineprotectedvirtual

process pair of non-identical particles in hemisphere background

Reimplemented in Hal::FemtoBasicAna, and Hal::TwoTrackAnaChain.

Definition at line 217 of file TwoTrackAna.h.

◆ ProcessPair2_Mixed()

virtual void Hal::TwoTrackAna::ProcessPair2_Mixed ( )

inlineprotectedvirtual

process pair of non-identical particles in mixed background

Reimplemented in Hal::FemtoBasicAna, and Hal::TwoTrackAnaChain.

Definition at line 193 of file TwoTrackAna.h.

◆ ProcessPair2_Perfect()

virtual void Hal::TwoTrackAna::ProcessPair2_Perfect ( )

inlineprotectedvirtual

process pair of identical non-particles in perfect background

Reimplemented in Hal::FemtoBasicAna, and Hal::TwoTrackAnaChain.

Definition at line 201 of file TwoTrackAna.h.

◆ ProcessPair2_Rotated()

virtual void Hal::TwoTrackAna::ProcessPair2_Rotated ( )

inlineprotectedvirtual

process pair of non-identical particles in rotated background

Reimplemented in Hal::FemtoBasicAna, and Hal::TwoTrackAnaChain.

Definition at line 209 of file TwoTrackAna.h.

◆ ProcessPair_Charged2()

virtual void Hal::TwoTrackAna::ProcessPair_Charged2 ( )

inlineprotectedvirtual

process pair of non-identical particles in charged background (where singlal is made from identical particles)

Reimplemented in Hal::TwoTrackAnaChain.

Definition at line 230 of file TwoTrackAna.h.

◆ ProcessPair_Charged3()

virtual void Hal::TwoTrackAna::ProcessPair_Charged3 ( )

inlineprotectedvirtual

process pair of non-identical particles in charged background (where singlal is made from identical particles)

Reimplemented in Hal::TwoTrackAnaChain.

Definition at line 240 of file TwoTrackAna.h.

◆ ProcessPair_ChargedId()

virtual void Hal::TwoTrackAna::ProcessPair_ChargedId ( )

inlineprotectedvirtual

process pair of identical particles in charged background

Reimplemented in Hal::FemtoBasicAna, and Hal::TwoTrackAnaChain.

Definition at line 221 of file TwoTrackAna.h.

◆ ProcessPair_ChargedNId()

virtual void Hal::TwoTrackAna::ProcessPair_ChargedNId ( )

inlineprotectedvirtual

process pair of non-identical particles in charged background

Reimplemented in Hal::FemtoBasicAna, and Hal::TwoTrackAnaChain.

Definition at line 225 of file TwoTrackAna.h.

◆ ProcessPair_Hemisphere()

virtual void Hal::TwoTrackAna::ProcessPair_Hemisphere ( )

inlineprotectedvirtual

process pair of identical particles in hemisphere background

Reimplemented in Hal::FemtoBasicAna, and Hal::TwoTrackAnaChain.

Definition at line 213 of file TwoTrackAna.h.

◆ ProcessPair_Mixed()

virtual void Hal::TwoTrackAna::ProcessPair_Mixed ( )

inlineprotectedvirtual

process pair of identical particles in mixed background

Reimplemented in Hal::FemtoBasicAna, and Hal::TwoTrackAnaChain.

Definition at line 189 of file TwoTrackAna.h.

◆ ProcessPair_Perfect()

virtual void Hal::TwoTrackAna::ProcessPair_Perfect ( )

inlineprotectedvirtual

process pair of identical particles in perfect background

Reimplemented in Hal::FemtoBasicAna, and Hal::TwoTrackAnaChain.

Definition at line 197 of file TwoTrackAna.h.

◆ ProcessPair_Rotated()

virtual void Hal::TwoTrackAna::ProcessPair_Rotated ( )

inlineprotectedvirtual

process pair of identical particles in rotated background

Reimplemented in Hal::FemtoBasicAna, and Hal::TwoTrackAnaChain.

Definition at line 205 of file TwoTrackAna.h.

◆ Report()

Package * Hal::TwoTrackAna::Report ( ) const

protectedvirtual

create report that will be saved, derived classes should call this method for base class and add own objects

Returns: report from analysis

Reimplemented from Hal::MultiTrackAna.

Reimplemented in Hal::Femto1DCFAnaMap, Hal::FemtoBasicAna, Hal::FemtoEventBinsAna, Hal::FemtoFreezoutsAna, and Hal::TwoTrackAnaChain.

Definition at line 46 of file TwoTrackAna.cxx.

◆ SetMixSize()

void Hal::TwoTrackAna::SetMixSize ( Int_t mixsize )

set mix side

Parameters

mixsize size of buffer to mixing

Definition at line 159 of file TwoTrackAna.cxx.

◆ SetOption()

void Hal::TwoTrackAna::SetOption ( Option_t * option )

virtual

like for TrackAna +

Parameters

option possible options : "background:perfect" - for perfect background. "background:no" - for no background, "background:charge" - for background made by opposite charges method, "background:rotation" - for made background where second particle is rotated around Z-axis, "background:hemispere" - for making analysis with full rotated second particle, "signs_sum" - for disabling merging resutls from two groups backgrounds made from pairs of identical particles,"id" - for processing pairs of identical tracks, "nonid"

Reimplemented from Hal::MultiTrackAna.

Reimplemented in Hal::FemtoBasicAna, and Hal::FemtoFreezoutsAna.

Definition at line 132 of file TwoTrackAna.cxx.

◆ SetPairHiddenInfo()

virtual void Hal::TwoTrackAna::SetPairHiddenInfo ( )

inlineprotectedvirtual

set hidden pair info if necessary

Definition at line 173 of file TwoTrackAna.h.

◆ SetTags()

void Hal::TwoTrackAna::SetTags ( )

protectedvirtual

set some tags connected with used background

Definition at line 80 of file TwoTrackAna.cxx.

Friends And Related Symbol Documentation

◆ TwoTrackAnaChain

friend class TwoTrackAnaChain

friend

Definition at line 28 of file TwoTrackAna.h.

Member Data Documentation

◆ fBackgroundMode

EAnaMode Hal::TwoTrackAna::fBackgroundMode

protected

background mode used in analysis

Definition at line 139 of file TwoTrackAna.h.

◆ fCurrentBackgroundPair

TwoTrack* Hal::TwoTrackAna::fCurrentBackgroundPair

protected

currently processed background pair

Definition at line 159 of file TwoTrackAna.h.

◆ fCurrentPairCollectionID

Int_t Hal::TwoTrackAna::fCurrentPairCollectionID

protected

points to collection number of actually processed pair

Definition at line 143 of file TwoTrackAna.h.

◆ fCurrentSignalPair

TwoTrack* Hal::TwoTrackAna::fCurrentSignalPair

protected

currently processed pair

Definition at line 155 of file TwoTrackAna.h.

◆ fTwoTrackCollectionsNo

Int_t Hal::TwoTrackAna::fTwoTrackCollectionsNo

protected

total number of two track collections

Definition at line 147 of file TwoTrackAna.h.

◆ fTwoTrackCollectionsNoBackground

Int_t Hal::TwoTrackAna::fTwoTrackCollectionsNoBackground

protected

total number of two track collections in background

Definition at line 151 of file TwoTrackAna.h.

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

analysis/base/TwoTrackAna.h
analysis/base/TwoTrackAna.cxx

Public Types

Public Member Functions

Static Public Member Functions

Protected Member Functions

Protected Attributes

Friends

Additional Inherited Members

Detailed Description

Member Enumeration Documentation

◆ EAnaMode

Constructor & Destructor Documentation

◆ TwoTrackAna() [1/2]

◆ TwoTrackAna() [2/2]

◆ ~TwoTrackAna()

Member Function Documentation

◆ BackgroundOptionCharge()

◆ BackgroundOptionHemisphere()

◆ BackgroundOptionMixed()

◆ BackgroundOptionNoBackground()

◆ BackgroundOptionPerfect()

◆ BackgroundOptionRotated()

◆ CheckCutContainerCollections()

◆ DeleteHiddenPairInfo()

◆ EnableNonIdentical()

◆ FinishEventIdentical()

◆ FinishEventNonIdentical()

◆ FinishTask()

◆ GetPairType()

◆ IdenticalParticles()

◆ Init()

◆ InitNewCutContainer()

◆ LinkCollections()

◆ operator=()

◆ ProceedWithEmtyEvents()

◆ ProcessEvent()

◆ ProcessPair()

◆ ProcessPair2()

◆ ProcessPair2_Charged2()

◆ ProcessPair2_Charged3()

◆ ProcessPair2_Hemisphere()

◆ ProcessPair2_Mixed()

◆ ProcessPair2_Perfect()

◆ ProcessPair2_Rotated()

◆ ProcessPair_Charged2()

◆ ProcessPair_Charged3()

◆ ProcessPair_ChargedId()

◆ ProcessPair_ChargedNId()

◆ ProcessPair_Hemisphere()

◆ ProcessPair_Mixed()

◆ ProcessPair_Perfect()

◆ ProcessPair_Rotated()

◆ Report()

◆ SetMixSize()

◆ SetOption()

◆ SetPairHiddenInfo()

◆ SetTags()

Friends And Related Symbol Documentation

◆ TwoTrackAnaChain

Member Data Documentation

◆ fBackgroundMode

◆ fCurrentBackgroundPair

◆ fCurrentPairCollectionID

◆ fCurrentSignalPair

◆ fTwoTrackCollectionsNo

◆ fTwoTrackCollectionsNoBackground