UnfoldMult stuff

Collaboration diagram for UnfoldMult stuff:

Typedefs
typedef TCollection	Dir

Functions
TObject *	GetObject (TDirectory *d, const char *name)
TObject *	GetObject (TCollection *d, const char *name)
TCollection *	GetCollection (TDirectory *d, const char *name)
TCollection *	GetCollection (TCollection *d, const char *name)
TH1 *	GetH1 (TDirectory *d, const char *name)
TH1 *	GetH1 (TCollection *d, const char *name)
TH2 *	GetH2 (TCollection *d, const char *name)
TFile *	OpenFile (const char *filename, Bool_t readNotWrite)
void	GetHistos (Double_t lowLim, Double_t highLim, Dir *resp, Dir *data, TDirectory *out)
void	ProcessUnfold (TH2 *response, TH1 *measured, TH1 *mcHist, TH1 *esdHist)
TH1 *	GetTriggerBias (TH1 *mcHist, TH1 *esdHist)
void	UnfoldMult (const char *respFile="forward_response.root", const char *dataFile="forward_multiplicy.root", const char *outFile="unfolded.root")

Detailed Description

Typedef Documentation

typedef TCollection Dir

A type definition to make it easier to switch to TDirectory structure

Definition at line 173 of file UnfoldMult.C.

Function Documentation

TCollection* GetCollection	(	TDirectory *	d,
		const char *	name
	)

Get a collection from a directory

Parameters

d	Parent directory
name	Name of collection

Returns

Pointer to collection or null

Definition at line 77 of file UnfoldMult.C.

Referenced by GetHistos(), and UnfoldMult().

TCollection* GetCollection	(	TCollection *	d,
		const char *	name
	)

Get a collection from a collection

Parameters

d	Parent collection
name	Name of collection

Returns

Pointer to collection or null

Definition at line 91 of file UnfoldMult.C.

TH1* GetH1	(	TDirectory *	d,
		const char *	name
	)

Get a 1D-histogram from a directory

Parameters

d	Parent directory
name	Name of histogram

Returns

Pointer to histogram or null

Definition at line 105 of file UnfoldMult.C.

Referenced by GetHistos().

TH1* GetH1	(	TCollection *	d,
		const char *	name
	)

Get a 1D-histogram from a collection

Parameters

d	Parent collectoin
name	Name of histogram

Returns

Pointer to histogram or null

Definition at line 119 of file UnfoldMult.C.

TH2* GetH2	(	TCollection *	d,
		const char *	name
	)

Get a 2D-histogram from a collection

Parameters

d	Parent collection
name	Name of histogram

Returns

Pointer to histogram or null

Definition at line 145 of file UnfoldMult.C.

void GetHistos	(	Double_t	lowLim,
		Double_t	highLim,
		Dir *	resp,
		Dir *	data,
		TDirectory *	out
	)

Get histograms for \(\eta\)-bin from lowLim to highLim and process it .

Parameters

lowLim	Lower \(\eta\) limit
highLim	Upper \(\eta\) limit
resp	Directory containing response matrices
data	Directory containing data histogram
out	Output directory

Definition at line 261 of file UnfoldMult.C.

Referenced by UnfoldMult(), and PWG::EMCAL::AliAnalysisTaskEmcalTriggerSelection::UserCreateOutputObjects().

TObject* GetObject	(	TDirectory *	d,
		const char *	name
	)

Get an object from a directory

Parameters

d	Directory
name	Name of object

Returns

Pointer to object or null if not found

Definition at line 38 of file UnfoldMult.C.

Referenced by GetCollection(), GetH1(), and GetH2().

TObject* GetObject	(	TCollection *	d,
		const char *	name
	)

Get an object from a collection

Parameters

d	Collection
name	Name of object

Returns

Pointer to object or null if not found

Definition at line 57 of file UnfoldMult.C.

TH1 * GetTriggerBias	(	TH1 *	mcHist,
		TH1 *	esdHist
	)

Caclulate the trigger bias correction

Parameters

mcHist	MC truth distribution
esdHist	MC distribution after ESD event selection

Returns

Histogram of trigger bias correction

Definition at line 339 of file UnfoldMult.C.

Referenced by ProcessUnfold().

TFile* OpenFile	(	const char *	filename,
		Bool_t	readNotWrite
	)

Open a file

Parameters

filename	File name
readNotWrite	If true, open read-only

Returns

Pointer to file, or null

Definition at line 159 of file UnfoldMult.C.

Referenced by UnfoldMult().

void ProcessUnfold	(	TH2 *	response,
		TH1 *	measured,
		TH1 *	mcHist,
		TH1 *	esdHist
	)

Do the actual unfolding and corrections

Parameters

response	Response matrix
measured	Measured distribution
mcHist	MC truth distribution
esdHist	MC distribution after ESD event selection

Definition at line 300 of file UnfoldMult.C.

Referenced by GetHistos().

void UnfoldMult	(	const char *	respFile = "forward_response.root",
		const char *	dataFile = "forward_multiplicy.root",
		const char *	outFile = "unfolded.root"
	)

Main Loop to call eta range

Parameters

respFile	File containing response matrices
dataFile	File containing measured distributions
outFile	Output file

Definition at line 233 of file UnfoldMult.C.