AliTrackletPtPidStrWeights Class Reference

Inheritance diagram for AliTrackletPtPidStrWeights:

Public Types
enum	EMode { kUp = (0x1) << 14, kDown = (0x2) << 14, kDisabled = (0x4) << 14 }
typedef std::map< short, TH1D * >	PdgMap
Public Types inherited from AliTrackletBaseWeights
enum	ECalc { kProduct, kSquare, kSum, kAverage }

Public Member Functions
	AliTrackletPtPidStrWeights ()
	AliTrackletPtPidStrWeights (const char *name, const char *title="Sim. tracklet weights")
	AliTrackletPtPidStrWeights (const AliTrackletPtPidStrWeights &o)
virtual	~AliTrackletPtPidStrWeights ()
AliTrackletPtPidStrWeights &	operator= (const AliTrackletPtPidStrWeights &o)
virtual Double_t	CalcWeight (AliAODTracklet *tracklet, Double_t cent, Double_t ipz, TH2 *corr=0) const
Bool_t	AddAbundanceWeight (Short_t pdg, const TH1D *h, UShort_t mode=0)
Bool_t	AddStrangenessWeight (Short_t pdg, const TH1D *h, UShort_t mode=0)
Bool_t	SetPtWeight (const TH2D *h, UShort_t mode=0)
void	SetAbundanceMode (Short_t pdg, UShort_t mode)
void	SetStrangenessMode (Short_t pdg, UShort_t mode)
void	SetPtMode (UShort_t mode)
void	Draw (Option_t *option="")
void	Print (Option_t *option="") const
TCollection *	Store (TCollection *out)
TCollection *	Retrieve (TCollection *in)
Double_t	GetAbundanceWeight (UShort_t apdg, Double_t cent) const
Double_t	GetStrangenessWeight (UShort_t apdg, Double_t cent) const
Public Member Functions inherited from AliTrackletBaseWeights
	AliTrackletBaseWeights ()
	AliTrackletBaseWeights (const char *name, const char *title="Sim. tracklet weights")
	AliTrackletBaseWeights (const AliTrackletBaseWeights &o)
virtual	~AliTrackletBaseWeights ()
AliTrackletBaseWeights &	operator= (const AliTrackletBaseWeights &o)
void	SetCalc (UChar_t mode=kProduct)
void	SetMask (UChar_t mask)
void	SetVeto (UChar_t veto)
void	SetInverse (Bool_t inv)
Bool_t	CheckTracklet (const AliAODTracklet *tracklet) const
Double_t	LookupWeight (AliAODTracklet *tracklet, Double_t cent, Double_t ipz, TH2 *corr=0) const
Bool_t	IsFolder () const
	ClassDef (AliTrackletBaseWeights, 1)

Protected Member Functions
virtual Double_t	CalcWeight (Double_t pT, Short_t pdg, Double_t cent) const
TH1D *	GetPdgHist (const PdgMap &m, Short_t pdg) const
virtual Double_t	GetPdgWeight (const PdgMap &m, UShort_t apdg, Double_t cent) const
Bool_t	AddPdgWeight (PdgMap &map, Short_t pdg, const TH1D *w, UShort_t mode=0)
void	SetPdgMode (PdgMap &map, Short_t pdg, UShort_t mode)
void	StoreMap (TCollection *parent, const char *name, PdgMap &m)
Bool_t	RetrieveMap (TCollection *parent, const char *name, PdgMap &m)
void	ModStack (THStack *stack)
void	PrintMap (const PdgMap &m, const char *name, Option_t *options="") const
void	PrintHist (const char *tag, TH1 *h) const
	ClassDef (AliTrackletPtPidStrWeights, 3)

Protected Attributes
TH2D *	fPt
PdgMap	fAbundance
PdgMap	fStrangeness

Additional Inherited Members
Public Attributes inherited from AliTrackletBaseWeights
UChar_t	fCalc
UChar_t	fMask
UChar_t	fVeto
Bool_t	fInverse

Detailed Description

Simulation weights

Definition at line 373 of file AliTrackletWeights.C.

Member Typedef Documentation

typedef std::map<short,TH1D*> AliTrackletPtPidStrWeights::PdgMap

Map a particle species to a weight

Definition at line 389 of file AliTrackletWeights.C.

Member Enumeration Documentation

enum AliTrackletPtPidStrWeights::EMode

Mode of weights

Enumerator
kUp	If this bit is set, adjust weight up by error
kDown	If this bit is set, adjust weight down by error
kDisabled	If this bit is set, the weight is disabled

Definition at line 379 of file AliTrackletWeights.C.

Constructor & Destructor Documentation

AliTrackletPtPidStrWeights::AliTrackletPtPidStrWeights ( )

inline

Default constructor - ROOT I/O only

Definition at line 394 of file AliTrackletWeights.C.

AliTrackletPtPidStrWeights::AliTrackletPtPidStrWeights	(	const char *	name,
		const char *	title = "Sim. tracklet weights"
	)

Named constructor

Parameters

name	Name of object
title	(optional) free-form title

Definition at line 677 of file AliTrackletWeights.C.

AliTrackletPtPidStrWeights::AliTrackletPtPidStrWeights

(

const AliTrackletPtPidStrWeights &

o

)

Copy constructor

Parameters

o	Object to copy from

Definition at line 687 of file AliTrackletWeights.C.

virtual AliTrackletPtPidStrWeights::~AliTrackletPtPidStrWeights ( )

inlinevirtual

Destructor

Definition at line 417 of file AliTrackletWeights.C.

Member Function Documentation

Bool_t AliTrackletPtPidStrWeights::AddAbundanceWeight ( Short_t  pdg, const TH1D *  h, UShort_t  mode = 0  )

inline

Add a histogram to weight particle abundances

Parameters

pdg	Particle species
h	Weight of particle specie as a function of centrality.
mode	Mode of this weight (+1: up, 0: normal, -1: down)

Returns

true on success.

Definition at line 450 of file AliTrackletWeights.C.

Referenced by AliTrackletPtPidStrWeights(), MakeStrange(), MakeWeight(), operator=(), and PureMCWeights::Run().

Bool_t AliTrackletPtPidStrWeights::AddPdgWeight ( PdgMap &  map, Short_t  pdg, const TH1D *  w, UShort_t  mode = 0  )

protected

Add a weight histogram

Parameters

map	Map of weights
pdg	Particle species
w	Weight histogram
mode	Mode of this weight (+1: up, 0: normal, -1: down)

Returns

true on success

Definition at line 721 of file AliTrackletWeights.C.

Referenced by AddAbundanceWeight(), AddStrangenessWeight(), and RetrieveMap().

Bool_t AliTrackletPtPidStrWeights::AddStrangenessWeight ( Short_t  pdg, const TH1D *  h, UShort_t  mode = 0  )

inline

Add a histogram to weight strange particle abundances

Parameters

pdg	Particle species
h	Weight of particle specie as a function of centrality.
mode	Mode of this weight (+1: up, 0: normal, -1: down)

Returns

true on success.

Definition at line 463 of file AliTrackletWeights.C.

Referenced by AliTrackletPtPidStrWeights(), MakeK0S(), MakeRealistic(), MakeRuben(), MakeStrange(), MakeWeight(), and operator=().

Double_t AliTrackletPtPidStrWeights::CalcWeight ( AliAODTracklet *  tracklet, Double_t  cent, Double_t  ipz, TH2 *  corr = 0  ) const

virtual

Find the tracklet weight

Parameters

tracklet	Tracklet
cent	Centrality
ipz	Interaction point Z coordinate
corr	Optional histogram to fill with correlation of weights

Returns

The weight

Implements AliTrackletBaseWeights.

Definition at line 826 of file AliTrackletWeights.C.

Double_t AliTrackletPtPidStrWeights::CalcWeight ( Double_t  pT, Short_t  pdg, Double_t  cent  ) const

protectedvirtual

Look-up weight based on transverse momentum pT, particle species pdf and event centrality cent. This is used to calculate the weight of a cluster.

Parameters

pT	(mother) particle transverse momentum
pdg	(mother) particle specie number
cent	Event centrality

Returns

The accumulated weight

Definition at line 800 of file AliTrackletWeights.C.

AliTrackletPtPidStrWeights::ClassDef ( AliTrackletPtPidStrWeights  , 3    )

protected

void AliTrackletPtPidStrWeights::Draw

(

Option_t *

option = ""

)

Draw the weights

Parameters

option

Definition at line 967 of file AliTrackletWeights.C.

Referenced by MakeEposWeight(), MakeK0S(), MakeRealistic(), MakeRuben(), MakeStrange(), MakeWeight(), and PureMCWeights::Run().

Double_t AliTrackletPtPidStrWeights::GetAbundanceWeight ( UShort_t  apdg, Double_t  cent  ) const

inline

Get the abundance weight of a given particle type for a given centrality

Parameters

apdg	Absolute value of the particle PDG identifier
cent	Centrality

Returns

The associated weight

Definition at line 555 of file AliTrackletWeights.C.

TH1D * AliTrackletPtPidStrWeights::GetPdgHist ( const PdgMap &  m, Short_t  pdg  ) const

protected

Get the histogram associated with a particle species in a given map.

Parameters

pdg	Particle species
m	Map

Returns

Pointer to histogram or null

Definition at line 771 of file AliTrackletWeights.C.

Referenced by GetPdgWeight(), and SetPdgMode().

Double_t AliTrackletPtPidStrWeights::GetPdgWeight ( const PdgMap &  m, UShort_t  apdg, Double_t  cent  ) const

protectedvirtual

Get a PDG depedent weight.

Parameters

m	Map to look up in
apdg	The absolute value of the PDG code
cent	The event centrality

Returns

the weight associated with the particle

Definition at line 780 of file AliTrackletWeights.C.

Referenced by CalcWeight(), GetAbundanceWeight(), and GetStrangenessWeight().

Double_t AliTrackletPtPidStrWeights::GetStrangenessWeight ( UShort_t  apdg, Double_t  cent  ) const

inline

Get the strangeness weight of a given particle type for a given centrality

Parameters

apdg	Absolute value of the particle PDG identifier
cent	Centrality

Returns

The associated weight

Definition at line 568 of file AliTrackletWeights.C.

void AliTrackletPtPidStrWeights::ModStack ( THStack *  stack )

protected

Modify a drawn stack

Parameters

stack

Stack to modify

Definition at line 859 of file AliTrackletWeights.C.

Referenced by Draw().

AliTrackletPtPidStrWeights & AliTrackletPtPidStrWeights::operator=

(

const AliTrackletPtPidStrWeights &

o

)

Assignment operator

Parameters

o	Object to assign from

Returns

Reference to this object

Definition at line 704 of file AliTrackletWeights.C.

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

virtual

Print information on reweights

Parameters

option

Not used

Reimplemented from AliTrackletBaseWeights.

Definition at line 1024 of file AliTrackletWeights.C.

Referenced by MakeEposWeight(), MakeK0S(), MakeRealistic(), MakeRuben(), MakeStrange(), and MakeWeight().

void AliTrackletPtPidStrWeights::PrintHist ( const char *  tag, TH1 *  h  ) const

protected

Print info on a histogram

Parameters

tag	Tag line
h	histogramT

Definition at line 1036 of file AliTrackletWeights.C.

Referenced by Print(), and PrintMap().

void AliTrackletPtPidStrWeights::PrintMap ( const PdgMap &  m, const char *  name, Option_t *  options = ""  ) const

protected

Print a map

Parameters

m	The map
name	Name of map
options	Options

Definition at line 1049 of file AliTrackletWeights.C.

Referenced by Print().

TCollection * AliTrackletPtPidStrWeights::Retrieve ( TCollection *  in )

virtual

Retrieve weights from a collection

Parameters

in	Input collection

Returns

Container read from or null

Reimplemented from AliTrackletBaseWeights.

Definition at line 916 of file AliTrackletWeights.C.

Bool_t AliTrackletPtPidStrWeights::RetrieveMap ( TCollection *  parent, const char *  name, PdgMap &  m  )

protected

Retrieve map contents from an input collection

Parameters

parent	Input collection
name	Name of collection
m	Map to add to

Returns

true on success

Definition at line 937 of file AliTrackletWeights.C.

Referenced by Retrieve().

void AliTrackletPtPidStrWeights::SetAbundanceMode ( Short_t  pdg, UShort_t  mode  )

inline

Set the mode of a single particle abundance weight. Mode is a bit mask of

• kDisabled: The weight is disabled - i.e., will be 1
• kUp: The weight is adjusted up by the error of the weight
• kDown: The weight is adjusted down by the error of the weight

Parameters

pdg	Particle specie
mode	Mode of this weight (+1: up, 0: normal, -1: down)

Definition at line 488 of file AliTrackletWeights.C.

void AliTrackletPtPidStrWeights::SetPdgMode ( PdgMap &  map, Short_t  pdg, UShort_t  mode  )

protected

Set the mode of a single particle weight. Mode is a bit mask of

• kDisabled: The weight is disabled - i.e., will be 1
• kUp: The weight is adjusted up by the error of the weight
• kDown: The weight is adjusted down by the error of the weight

Parameters

map	Map
pdg	Particle specie
mode	Mode

Definition at line 763 of file AliTrackletWeights.C.

Referenced by SetAbundanceMode(), and SetStrangenessMode().

void AliTrackletPtPidStrWeights::SetPtMode

(

UShort_t

mode

)

Set the mode of a transverse momentum weight. Mode is a bit mask of

• kDisabled: The weight is disabled - i.e., will be 1
• kUp: The weight for \( p_T<0.05\) is adjusted by +30%
• kDown: The weight for \( p_T<0.05\) is adjusted by -30%

Parameters

mode

Mode

Definition at line 758 of file AliTrackletWeights.C.

Bool_t AliTrackletPtPidStrWeights::SetPtWeight	(	const TH2D *	h,
		UShort_t	mode = 0
	)

Set the weight histogram per transverse momentum and centrality

Parameters

h	histogram of (centrality vs pT) weights
mode	Mode of this weight (+1: up, 0: normal, -1: down)

Returns

true on success

Definition at line 743 of file AliTrackletWeights.C.

Referenced by AliTrackletPtPidStrWeights(), MakeEposWeight(), MakeWeight(), operator=(), and PureMCWeights::Run().

void AliTrackletPtPidStrWeights::SetStrangenessMode ( Short_t  pdg, UShort_t  mode  )

inline

Set the mode of a single particle strangeness weight. Mode is a bit mask of

• kDisabled: The weight is disabled - i.e., will be 1
• kUp: The weight is adjusted up by the error of the weight
• kDown: The weight is adjusted down by the error of the weight

Parameters

pdg	Particle specie
mode	Mode

Definition at line 503 of file AliTrackletWeights.C.

TCollection * AliTrackletPtPidStrWeights::Store ( TCollection *  out )

virtual

Store weights histograms in output of analysis

Parameters

out	Collection to add histograms to

Returns

Output container

Reimplemented from AliTrackletBaseWeights.

Definition at line 879 of file AliTrackletWeights.C.

void AliTrackletPtPidStrWeights::StoreMap ( TCollection *  parent, const char *  name, PdgMap &  m  )

protected

Write a maps histograms to an output container

Parameters

parent	Output container
name	Name of output sub-container
m	Map of weights

Definition at line 897 of file AliTrackletWeights.C.

Referenced by Store().

Member Data Documentation

PdgMap AliTrackletPtPidStrWeights::fAbundance

protected

Definition at line 671 of file AliTrackletWeights.C.

Referenced by AddAbundanceWeight(), AliTrackletPtPidStrWeights(), CalcWeight(), Draw(), GetAbundanceWeight(), operator=(), Print(), Retrieve(), SetAbundanceMode(), and Store().

TH2D* AliTrackletPtPidStrWeights::fPt

protected

Definition at line 670 of file AliTrackletWeights.C.

Referenced by AliTrackletPtPidStrWeights(), CalcWeight(), Draw(), operator=(), Print(), Retrieve(), SetPtMode(), SetPtWeight(), and Store().

PdgMap AliTrackletPtPidStrWeights::fStrangeness

protected

Definition at line 672 of file AliTrackletWeights.C.

Referenced by AddStrangenessWeight(), AliTrackletPtPidStrWeights(), CalcWeight(), Draw(), GetStrangenessWeight(), operator=(), Print(), Retrieve(), SetStrangenessMode(), and Store().

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

• PWGLF/FORWARD/analysis2/dndeta/tracklets3/AliTrackletWeights.C