#include <AliBaseMCTrackDensity.h>

Inheritance diagram for AliBaseMCTrackDensity:

[legend]

Public Member Functions
	AliBaseMCTrackDensity ()

	AliBaseMCTrackDensity (const char *name)

	AliBaseMCTrackDensity (const AliBaseMCTrackDensity &o)

AliBaseMCTrackDensity &	operator= (const AliBaseMCTrackDensity &o)

virtual	~AliBaseMCTrackDensity ()

void	SetUseOnlyPrimary (Bool_t use)

void	SetUseFlowWeights (Bool_t use)

void	SetTrackGammaToPi0 (Bool_t use)

void	SetDebug (Bool_t debug=true)

virtual void	CreateOutputObjects (TList *list)

virtual void	Print (Option_t *option="") const

void	SetWeights (AliBaseMCWeights *weights)

void	SetTruthWeights (AliBaseMCWeights *weights)

Protected Member Functions
Bool_t	ProcessTracks (const AliMCEvent &event, const TVector3 &ip, TH2D *primary)

Bool_t	ProcessTrack (AliMCParticle particle, const AliMCParticle mother)

virtual Int_t	GetDetectorId () const =0

virtual AliTrackReference *	ProcessRef (AliMCParticle particle, const AliMCParticle mother, AliTrackReference *ref)=0

virtual void	BeginTrackRefs ()

virtual Bool_t	CheckTrackRef (AliTrackReference *) const

virtual void	EndTrackRefs (Int_t)

virtual Double_t	StoreParticle (AliMCParticle particle, const AliMCParticle mother, AliTrackReference *ref) const

Bool_t	GetCollisionParameters (const AliMCEvent &event)

Double_t	GetTrackRefTheta (const AliTrackReference *ref) const

const AliMCParticle *	GetMother (Int_t iTr, const AliMCEvent &event) const

Double_t	CalculateWeight (const AliMCParticle *p, Bool_t isPrimary) const

Double_t	CalculateTruthWeight (const AliMCParticle *p) const

Protected Attributes
Bool_t	fUseOnlyPrimary

TH2D *	fBinFlow

TH2D *	fEtaBinFlow

TH2D *	fPhiBinFlow

TH1D *	fNRefs

AliBaseMCWeights *	fWeights

AliBaseMCWeights *	fTruthWeights

TVector3	fIP

Double_t	fB

Double_t	fPhiR

Bool_t	fDebug

Bool_t	fTrackGammaToPi0

Detailed Description

A class to calculate the particle density from track references. This code is used both in AliForwardMCCorrectionsTask and AliBaseMCDensity calculator.

Input:

Kinematics
Track-References

Corrections used:

None

Histograms:

Incident angle vs number of track references
Incident angle vs number of strips/cluster

Definition at line 45 of file AliBaseMCTrackDensity.h.

Constructor & Destructor Documentation

AliBaseMCTrackDensity::AliBaseMCTrackDensity ( )

Default constructor. Do not use - for ROOT I/O system use only

Definition at line 21 of file AliBaseMCTrackDensity.cxx.

Referenced by AliFMDMCTrackELoss::AliFMDMCTrackELoss().

AliBaseMCTrackDensity::AliBaseMCTrackDensity ( const char * name )

Normal constructor

Parameters

name Not used

Definition at line 41 of file AliBaseMCTrackDensity.cxx.

AliBaseMCTrackDensity::AliBaseMCTrackDensity ( const AliBaseMCTrackDensity & o )

Copy constructor

Parameters

o	Object to copy from

Definition at line 61 of file AliBaseMCTrackDensity.cxx.

virtual AliBaseMCTrackDensity::~AliBaseMCTrackDensity ( )

inlinevirtual

Destructor.

Definition at line 75 of file AliBaseMCTrackDensity.h.

Member Function Documentation

virtual void AliBaseMCTrackDensity::BeginTrackRefs ( )

inlineprotectedvirtual

Called at before loop over track references

Reimplemented in AliFMDMCTrackELoss, AliFMDMCTrackDensity, and AliSPDMCTrackDensity.

Definition at line 192 of file AliBaseMCTrackDensity.h.

Referenced by ProcessTrack().

Double_t AliBaseMCTrackDensity::CalculateTruthWeight ( const AliMCParticle * p ) const

protected

Calculate MC truth weight

Parameters

p Particle

Returns: Weight for the particle

Definition at line 411 of file AliBaseMCTrackDensity.cxx.

Referenced by EndTrackRefs(), and ProcessTracks().

Double_t AliBaseMCTrackDensity::CalculateWeight	(	const AliMCParticle *	p,
		Bool_t	isPrimary
	)		const

protected

Calculate observed particle weight

Parameters

p	Particle
isPrimary	True if primary

Returns: Weight for the particle

Definition at line 402 of file AliBaseMCTrackDensity.cxx.

Referenced by EndTrackRefs(), and StoreParticle().

virtual Bool_t AliBaseMCTrackDensity::CheckTrackRef ( AliTrackReference * ) const

inlineprotectedvirtual

Check a track reference

Returns: true if the track reference should be used

Reimplemented in AliSPDMCTrackDensity.

Definition at line 198 of file AliBaseMCTrackDensity.h.

Referenced by ProcessTrack().

void AliBaseMCTrackDensity::CreateOutputObjects ( TList * list )

virtual

Define ouputs

Parameters

list	List to add outputs to

Reimplemented in AliFMDMCTrackELoss, and AliFMDMCTrackDensity.

Definition at line 133 of file AliBaseMCTrackDensity.cxx.

Referenced by AliCentralMCMultiplicityTask::Book(), AliBaseMCCorrectionsTask::Book(), AliFMDMCTrackDensity::CreateOutputObjects(), AliFMDMCTrackELoss::CreateOutputObjects(), and SetDebug().

virtual void AliBaseMCTrackDensity::EndTrackRefs ( Int_t )

inlineprotectedvirtual

Called at before loop over track references

Reimplemented in AliFMDMCTrackELoss, and AliFMDMCTrackDensity.

Definition at line 203 of file AliBaseMCTrackDensity.h.

Referenced by ProcessTrack().

Bool_t AliBaseMCTrackDensity::GetCollisionParameters ( const AliMCEvent & event )

protected

Get the parameters of this event

Parameters

event Event

Returns: true if found, false otherwise

Definition at line 281 of file AliBaseMCTrackDensity.cxx.

Referenced by EndTrackRefs(), and ProcessTracks().

virtual Int_t AliBaseMCTrackDensity::GetDetectorId ( ) const

protectedpure virtual

Must be defined to return the track-reference ID for this detector

Returns: Detector id set on track references

Implemented in AliFMDMCTrackELoss, AliFMDMCTrackDensity, and AliSPDMCTrackDensity.

Referenced by ProcessTrack(), and SetDebug().

const AliMCParticle * AliBaseMCTrackDensity::GetMother	(	Int_t	iTr,
		const AliMCEvent &	event
	)		const

protected

Get ultimate mother of a track

Parameters

iTr	Track number
event	Event

Returns: Pointer to mother or null

Definition at line 238 of file AliBaseMCTrackDensity.cxx.

Referenced by EndTrackRefs(), and ProcessTracks().

Double_t AliBaseMCTrackDensity::GetTrackRefTheta ( const AliTrackReference * ref ) const

protected

Get incident angle of this track reference

Parameters

ref	Track reference

Returns: incident angle (in radians)

Definition at line 224 of file AliBaseMCTrackDensity.cxx.

Referenced by EndTrackRefs(), AliFMDMCTrackDensity::ProcessRef(), and AliFMDMCTrackELoss::ProcessRef().

AliBaseMCTrackDensity & AliBaseMCTrackDensity::operator= ( const AliBaseMCTrackDensity & o )

Assignment operator

Parameters

o	Object to assign from

Returns: Reference to this

Definition at line 82 of file AliBaseMCTrackDensity.cxx.

Referenced by AliFMDMCTrackELoss::AliFMDMCTrackELoss(), AliSPDMCTrackDensity::operator=(), and AliFMDMCTrackDensity::operator=().

void AliBaseMCTrackDensity::Print ( Option_t * option = "" ) const

virtual

Print information to standard out

Parameters

option Not used

Reimplemented in AliFMDMCTrackELoss, AliFMDMCTrackDensity, and AliSPDMCTrackDensity.

Definition at line 431 of file AliBaseMCTrackDensity.cxx.

Referenced by AliSPDMCTrackDensity::Print(), AliFMDMCTrackDensity::Print(), AliFMDMCTrackELoss::Print(), and SetDebug().

virtual AliTrackReference* AliBaseMCTrackDensity::ProcessRef	(	AliMCParticle *	particle,
		const AliMCParticle *	mother,
		AliTrackReference *	ref
	)

protectedpure virtual

Process a track reference

Note: If particle refers to a primary particle, then it is passed as the mother argument too. That is, both arguments point to the same particle.

Parameters

particle	Particle
mother	Ultimate mother (if not primary)
ref	Reference

Returns: 0 if no output should be generated for this reference, or pointer to track-reference to produce output for.

Implemented in AliFMDMCTrackELoss, AliFMDMCTrackDensity, and AliSPDMCTrackDensity.

Referenced by ProcessTrack(), and SetDebug().

Bool_t AliBaseMCTrackDensity::ProcessTrack	(	AliMCParticle *	particle,
		const AliMCParticle *	mother
	)

protected

Process a single track

Note: If particle refers to a primary particle, then it is passed as the mother argument too. That is, both arguments point to the same particle.

Parameters

particle	Particle
mother	Ultimate mother

Returns: true on succsess

Definition at line 293 of file AliBaseMCTrackDensity.cxx.

Referenced by ProcessTracks(), and SetDebug().

Bool_t AliBaseMCTrackDensity::ProcessTracks	(	const AliMCEvent &	event,
		const TVector3 &	ip,
		TH2D *	primary
	)

protected

Loops over all the particles in the passed event. If primary is not null, then that histogram is filled with the primary particle information - irrespective of whether the particle actually hits the Base or not. For each track (primary or secondary, unless only primary information is requested - see SetUseOnlyPrimary) loop over all track references to that particle and check if they come from the Base. In that case, figure out which strip(s) to assign the track to, and fill the hits structure.

Parameters

event	MC event
ip	IP z-coordinate
primary	Primary information, if available.

Returns: true

Definition at line 341 of file AliBaseMCTrackDensity.cxx.

Referenced by AliSPDMCTrackDensity::Calculate(), AliFMDMCTrackDensity::Calculate(), AliFMDMCTrackELoss::Calculate(), and SetDebug().

void AliBaseMCTrackDensity::SetDebug ( Bool_t debug = true )

inline

Set whether to print debug messages. Please note this will produce a lot of output.

Parameters

debug Whether to enable debug messages or not

Definition at line 104 of file AliBaseMCTrackDensity.h.

Referenced by AddTaskForwardMCCorr(), and AliFMDMCSharingFilter::SetDebug().

void AliBaseMCTrackDensity::SetTrackGammaToPi0 ( Bool_t use )

inline

Set whether to try to track primary \( \gamma\) back to a \(\pi^0\)

Parameters

use	If true, try to track \(\gamma\) to \(\pi^0\)

Definition at line 97 of file AliBaseMCTrackDensity.h.

void AliBaseMCTrackDensity::SetTruthWeights ( AliBaseMCWeights * weights )

Definition at line 115 of file AliBaseMCTrackDensity.cxx.

Referenced by AddTaskForwardMCCorr(), and SetDebug().

void AliBaseMCTrackDensity::SetUseFlowWeights ( Bool_t use )

Whether to `after-burn' the particles with flow

Backward-compatibility member function

Parameters

use

Deprecated:: Use SetWeights instead.

Definition at line 125 of file AliBaseMCTrackDensity.cxx.

Referenced by SetUseOnlyPrimary().

void AliBaseMCTrackDensity::SetUseOnlyPrimary ( Bool_t use )

inline

Set whether to only consider primaries

Parameters

use	If true, consider only primaries

Definition at line 82 of file AliBaseMCTrackDensity.h.

Referenced by AliForwardMCMultiplicityTask::SetOnlyPrimary().

void AliBaseMCTrackDensity::SetWeights ( AliBaseMCWeights * weights )

Definition at line 105 of file AliBaseMCTrackDensity.cxx.

Referenced by AddTaskForwardMCCorr(), SetDebug(), and SetUseFlowWeights().

Double_t AliBaseMCTrackDensity::StoreParticle	(	AliMCParticle *	particle,
		const AliMCParticle *	mother,
		AliTrackReference *	ref
	)		const

protectedvirtual

Store a particle hit in Basedr[s,t] in output

Note: If particle refers to a primary particle, then it is passed as the mother argument too. That is, both arguments point to the same particle.

Parameters