Scripts used in the analysis

Collaboration diagram for Scripts used in the analysis:

Modules
	Add tasks to manager
	Maker scripts
	Correction scripts
	Quality Assurance scripts
	Flow scripts
	Test scripts

Files
file	MakeChain.C
	Script to generate a chain of files.
file	UnfoldMult.C
	Bayesian Method Unfolding Script.

Functions
static Bool_t	Scanner::IsFile (const char *path)
void	Scanner::ScanDirectory (TSystemDirectory *dir, TList *list, const char *pattern, bool recursive)
Bool_t	Compile (const char *script, Option_t *option="g")
void	dndeta_final (Double_t max=6)
void	DrawRubensCorr (const char *fname="rubensRatio.root", const char *hname="dNdEtaCor1D_cls")
TObject *	GetObject (const TObject *l, const char *name)
TH1D *	GetHist (TDirectory *dir, const char *which, const char *sub, const char *hname)
TH1D *	GetHist (TDirectory *dir, const char *which, UShort_t rebin, const char *sub="all")
TH1 *	Merge (const TH1 *cen, const TH1 *fwd, Double_t &xlow, Double_t &xhigh)
Double_t	myFunc (Double_t *xp, Double_t *pp)
Double_t	myRatio (Double_t *xp, Double_t *pp)
TF1 *	FitMerged (TH1 *tmp, Double_t xlow, Double_t xhigh)
void	MakeSysError (TH1 *tmp, TF1 *fit)
TH1 *	Graph2Hist (const TGraphAsymmErrors *g)
TH1 *	Ratio (TH1 *h, TF1 *f, const char *title)
TH1D *	GetUA5Data (UShort_t type, TH1 *&p, TH1 *&n, Double_t &xlow, Double_t &xhigh)
void	DrawUA5Ratios (const char *fname="forward_dndeta.root", UShort_t rebin=5)
void	LoadLibs (bool alsoBase=false, bool alsoHit=false)
Bool_t	LoadPars (Int_t nWorkers=4)
Bool_t	IsFile (const char *path)
void	ScanDirectory (TSystemDirectory *dir, TChain *chain, const char *pattern, bool recursive)
TChain *	MakeChain (const char *what, const char *datadir, bool recursive=false)
THStack *	GetStack (const TList *list, const char *name, Int_t rebin)
TH1 *	GetHist (const TList *list, const char *name, Int_t rebin)
THStack *	AddStack (THStack *p, const TList *list, const char *name, Int_t rebin)
void	BuildCentLegend (const TAxis *c)
void	BuildLegend (const THStack *stack, const TAxis *c)
TH1 *	MakeSysError (const TH1 *cen, const TH1 *fwd, Double_t sysErr=0.7)
void	SimpledNdeta (Int_t what=0x5, Int_t rebin=5, const char *filename="forward_dndeta.root")

Detailed Description

These scripts add tasks to the analysis train

Function Documentation

THStack* AddStack	(	THStack *	p,
		const TList *	list,
		const char *	name,
		Int_t	rebin
	)

Add histograms from one stack to another

Parameters

p	Parent stack to add to
list	List to look for the stack in
name	Name of stack to add
rebin	Optional rebinning - must exists in list

Returns

Added stack or null

Definition at line 101 of file SimpledNdeta.C.

Referenced by SimpledNdeta().

void BuildCentLegend

(

const TAxis *

c

)

Build up a centrality legend

Parameters

c	Centrality axis

Definition at line 121 of file SimpledNdeta.C.

Referenced by SimpledNdeta().

void BuildLegend	(	const THStack *	stack,
		const TAxis *	c
	)

Build a legend. Histograms a filtered for the same title

Parameters

stack	Stack of histograms
c	Centrality axis. If present, markers are black

Definition at line 157 of file SimpledNdeta.C.

Referenced by SimpledNdeta().

Bool_t Compile	(	const char *	script,
		Option_t *	option = "g"
	)

Compile an FMD script using ACLic

Parameters

script	Script to compile
option	Compile option

Returns

true on success

Definition at line 19 of file Compile.C.

Referenced by TestRunMakeELossFit().

void dndeta_final

(

Double_t

max = 6

)

Draw final plot for QM2011

Parameters

max

Definition at line 9 of file dndeta_final.C.

void DrawRubensCorr	(	const char *	fname = "rubensRatio.root",
		const char *	hname = "dNdEtaCor1D_cls"
	)

Draw Rubens corrections

Parameters

fname
hname

Definition at line 10 of file DrawRubensCorr.C.

void DrawUA5Ratios	(	const char *	fname = "forward_dndeta.root",
		UShort_t	rebin = 5
	)

Draw ratios to UA5 data

Parameters

fname	Input file name
rebin	Re-binning factor

Deprecated:

Use new GSE based drawing

Definition at line 397 of file DrawUA5Ratios.C.

TF1* FitMerged	(	TH1 *	tmp,
		Double_t	xlow,
		Double_t	xhigh
	)

Fit \(g(x;A_1,A_2,\sigma_1,\sigma_2)\) to histogram data

Parameters

tmp	Histogram
xlow	Lower x bound
xhigh	Upper x bound

Returns

Fitted function

Definition at line 195 of file DrawUA5Ratios.C.

Referenced by DrawUA5Ratios().

TH1D* GetHist	(	TDirectory *	dir,
		const char *	which,
		const char *	sub,
		const char *	hname
	)

Get histogram from directory/which/sub/hname

Parameters

dir	Directory
which	Name of parent list
sub	Name of sub-list
hname	Name of histogram

Returns

Pointer to histogram or null

Definition at line 42 of file DrawUA5Ratios.C.

Referenced by DrawUA5Ratios(), and GetHist().

TH1* GetHist	(	const TList *	list,
		const char *	name,
		Int_t	rebin
	)

Get a histogram from a list

Parameters

list	List
name	Name of histogram
rebin	Rebinning factor

Returns

Histogram or null

Definition at line 66 of file SimpledNdeta.C.

Referenced by SimpledNdeta().

TH1D* GetHist	(	TDirectory *	dir,
		const char *	which,
		UShort_t	rebin,
		const char *	sub = "all"
	)

Get histogram from dir/whichResults/sub/dndetawhich[_rebinrebin]

Parameters

dir	Directory
which	Name
rebin	Optional rebinning
sub	Sub-list name

Returns

Histogram pointer or null

Definition at line 79 of file DrawUA5Ratios.C.

TObject* GetObject	(	const TObject *	l,
		const char *	name
	)

Get an object with specified name from TCollection l

Parameters

l	Collection
name	Name of object to retrieve

Returns

Object, or null

Definition at line 13 of file DrawUA5Ratios.C.

Referenced by DrawUA5Ratios(), and GetHist().

THStack* GetStack	(	const TList *	list,
		const char *	name,
		Int_t	rebin
	)

A simple script to draw results from MakedNdeta.C (or similar) Get a stack from the passed list

Parameters

list	List to get the stack from
name	Name of stack
rebin	Optional rebinning - must exists in list

Returns

Stack or null

Definition at line 37 of file SimpledNdeta.C.

Referenced by AddStack().

TH1D* GetUA5Data	(	UShort_t	type,
		TH1 *&	p,
		TH1 *&	n,
		Double_t &	xlow,
		Double_t &	xhigh
	)

Get the UA5 data

Parameters

type	Trigger type (1: INEL, 4: NSD)
p	On return, positive part or null
n	On return, negative part or null
xlow	On return, lower X bound
xhigh	On return, upper X bound

Returns

Merged histogram or null

Deprecated:

Use new GSE based drawing

Definition at line 352 of file DrawUA5Ratios.C.

Referenced by DrawUA5Ratios().

TH1* Graph2Hist

(

const TGraphAsymmErrors *

g

)

Transform a graph into a histogram

Parameters

g

Returns

Definition at line 247 of file DrawUA5Ratios.C.

Referenced by GetUA5Data().

Bool_t IsFile

(

const char *

path

)

Check if a path points to a file

Parameters

path

Path

Returns

True if the path points to a regular file

Definition at line 20 of file MakeChain.C.

Referenced by MakeChain().

static Bool_t Scanner::IsFile ( const char *  path )

inlinestatic

Check if a path points to a file

Parameters

path

Path

Returns

True if the path points to a regular file

Definition at line 35 of file MigrateOADB.C.

Referenced by Scanner::Scan().

void LoadLibs	(	bool	alsoBase = false,
		bool	alsoHit = false
	)

Load the libraries of PWGLF/FORWARD/analsysis2

Definition at line 18 of file LoadLibs.C.

Bool_t LoadPars

(

Int_t

nWorkers = 4

)

Set-up for a PROOF analysis job. Make TProof object and load pars.

Parameters

nWorkers

Number of workers

Deprecated:

Use TrainSetup instead

Returns

True on success

Definition at line 13 of file LoadPars.C.

Referenced by MakeEvaluateTriggers().

TChain* MakeChain	(	const char *	what,
		const char *	datadir,
		bool	recursive = false
	)

Make a chain of specified data

Parameters

what	What data to chain. Possible values are ESD Event summary data (AliESD) AOD Analysis object data (AliAOD) MC Simulation data (galice)
datadir	Data directory to scan
recursive	Whether to recurse into sub-directories

Returns

Pointer to newly create chain, or null

Definition at line 151 of file MakeChain.C.

Referenced by MakeEvaluateTriggers(), and SPDComparison().

void MakeSysError	(	TH1 *	tmp,
		TF1 *	fit
	)

Make band of systematic errors

Parameters

tmp	Histogram
fit	Fit

Definition at line 223 of file DrawUA5Ratios.C.

TH1* MakeSysError	(	const TH1 *	cen,
		const TH1 *	fwd,
		Double_t	sysErr = 0.7
	)

Make systematic error band

Parameters

cen	Central result
fwd	Forward result
sysErr	Systematic error (fractional)

Returns

Definition at line 322 of file SimpledNdeta.C.

Referenced by SimpledNdeta().

TH1* Merge	(	const TH1 *	cen,
		const TH1 *	fwd,
		Double_t &	xlow,
		Double_t &	xhigh
	)

Merge two histograms into one

Parameters

cen	Central part
fwd	Forward part
xlow	On return, lower eta bound
xhigh	On return, upper eta bound

Returns

Newly allocated histogram or null

Definition at line 103 of file DrawUA5Ratios.C.

Referenced by DrawUA5Ratios(), Merge::MakeBranch(), AliEmcalList::Merge(), AliTHnT< TemplateArray, TemplateType >::Merge(), and Merge::SetBranch().

Double_t myFunc	(	Double_t *	xp,
		Double_t *	pp
	)

Function to calculate

\[ g(x;A_1,A_2,\sigma_1,\sigma_2) = A_1\left(\frac{1}{2\pi\sigma_1}e^{(x/\sigma_1)^2} - A_2\frac{1}{2\pi\sigma_2}e^{(x/\sigma_2)^2}\right) \]

Parameters

xp	Pointer to x array
pp	Pointer to parameter array

Returns

\(g(x;A_1,A_2,\sigma_1,\sigma_2)\)

A function (double Gaussian)

Parameters

xp	Independent variables
pp	Parameters

Returns

Value of function

Definition at line 151 of file DrawUA5Ratios.C.

Referenced by FitMerged(), and myRatio().

Double_t myRatio	(	Double_t *	xp,
		Double_t *	pp
	)

Calculate

\[ r(x) = \frac{g(x;A_1,A_2,\sigma_1,\sigma_2)}{ g(x;A_1',A_2',\sigma'_1,\sigma'_2)} \]

Parameters

xp	Pointer to X array
pp	Pointer to parameter array (8 entries)

Returns

\(r(x)\)

Definition at line 175 of file DrawUA5Ratios.C.

Referenced by DrawUA5Ratios().

TH1* Ratio	(	TH1 *	h,
		TF1 *	f,
		const char *	title
	)

Calculate ratio of histogram to function

Parameters

h	Histogram
f	Function
title	(Optional) title

Returns

Ratio in a histogram

Definition at line 308 of file DrawUA5Ratios.C.

Referenced by DrawUA5Ratios().

void ScanDirectory	(	TSystemDirectory *	dir,
		TChain *	chain,
		const char *	pattern,
		bool	recursive
	)

Scan a directory (optionally recursive) for data files to add to the chain. Only ROOT files, and files which name contain the passed pattern are considered.

Parameters

dir	Directory to scan
chain	Chain to add data to
pattern	Pattern that the file name must contain
recursive	Whether to scan recursively

Definition at line 72 of file MakeChain.C.

Referenced by MakeChain().

void Scanner::ScanDirectory ( TSystemDirectory *  dir, TList *  list, const char *  pattern, bool  recursive  )

inline

Scan a directory (optionally recursive) for data files to add to the chain. Only ROOT files, and files which name contain the passed pattern are considered.

Parameters

dir	Directory to scan
list	List to add data to
pattern	Pattern that the file name must contain
recursive	Whether to scan recursively

Definition at line 92 of file MigrateOADB.C.

Referenced by Scanner::Scan().

void SimpledNdeta	(	Int_t	what = 0x5,
		Int_t	rebin = 5,
		const char *	filename = "forward_dndeta.root"
	)

Function to draw the results from forward_dndeta.root file

Parameters

what	What to draw
rebin	Rebinnig. Note, the data must be present in the file
filename	File to open and draw stuff from >

Definition at line 383 of file SimpledNdeta.C.