Extract.C File Reference

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Functions
static Int_t	PbPbBin (Double_t c1, Double_t c2)
static Color_t	PbPbColor (Double_t c1, Double_t c2)
Double_t	SysEval (Double_t x, Double_t sMin, Double_t sMax, Double_t xMax)
Double_t	CSysEval (Double_t x, Double_t sMin, Double_t sMax)
Double_t	EtaSysEval (Double_t x, Double_t sMin, Double_t sMax)
void	MakeGSE (std::ostream &o, const TH1 *h, Double_t c1, Double_t c2, Bool_t reweigh, Double_t fac=1)
void	FindLeastLargest (TObject *o, Double_t c1, Double_t c2)
void	Extract (const char *filename="dndneta.pbpb502.20151124.root", const char *outname="TRACKLETS_5023_PbPb.input", Bool_t reweigh=false)

Function Documentation

Double_t CSysEval	(	Double_t	x,
		Double_t	sMin,
		Double_t	sMax
	)

Evaluate a centrality dependent systematic uncertainty

Parameters

x	Centrality
sMin	Value at least centrality
sMax	Value at largest centrality

Returns

Value

Definition at line 76 of file Extract.C.

Referenced by MakeGSE().

Double_t EtaSysEval	(	Double_t	x,
		Double_t	sMin,
		Double_t	sMax
	)

Evaluate eta dependent systematic uncertainty

Parameters

x	eta
sMin	Value at least eta
sMax	Value at largest eta

Returns

Value

Definition at line 89 of file Extract.C.

Referenced by MakeGSE().

void Extract	(	const char *	filename = "dndneta.pbpb502.20151124.root",
		const char *	outname = "TRACKLETS_5023_PbPb.input",
		Bool_t	reweigh = false
	)

Extract ALICE PbPb @ 5.02TeV over |eta|<2

Parameters

filename	Input file name
outname	Output file name
reweigh	Whether it is reweighed

Definition at line 189 of file Extract.C.

void FindLeastLargest	(	TObject *	o,
		Double_t	c1,
		Double_t	c2
	)

Find largest and least value

Parameters

o	Object to look at
c1	Lower centrality bound
c2	Upper centrality bount

Definition at line 165 of file Extract.C.

Referenced by Extract().

void MakeGSE	(	std::ostream &	o,
		const TH1 *	h,
		Double_t	c1,
		Double_t	c2,
		Bool_t	reweigh,
		Double_t	fac = 1
	)

Make a GraphSysErr object

Parameters

o	Output stream
h	Histogram
c1	Lower centrality bound
c2	Upper centrality bound
reweigh	True if reweighed
fac	Scaling factor

Definition at line 103 of file Extract.C.

Referenced by Extract().

static Int_t PbPbBin ( Double_t  c1, Double_t  c2  )

static

Find bin number correspondig to centrality range

Parameters

c1	Least centrality
c2	Largest centrality

Returns

Bin number

Definition at line 10 of file Extract.C.

Referenced by PbPbColor().

static Color_t PbPbColor ( Double_t  c1, Double_t  c2  )

static

Get the centrality color for PbPb

Parameters

c1	Lower edge
c2	Upper edge

Returns

Color

Definition at line 35 of file Extract.C.

Referenced by Extract().

Double_t SysEval	(	Double_t	x,
		Double_t	sMin,
		Double_t	sMax,
		Double_t	xMax
	)

Evaluate a systematic error

Parameters

x	Independent value
sMin	Value at least X(=0)
sMax	Value at largest X
xMax	Largest X value

Returns

Value

Definition at line 63 of file Extract.C.

Referenced by CSysEval(), and EtaSysEval().