weight.Weight Class Reference

Inheritance diagram for weight.Weight:

Public Member Functions
def	__init__ (self, genNEvents, xSection, genEff, intLumi=FBINV, addWeight=1)
def	__str__ (self)
def	GetWeight (self)
def	SetIntLumi (self, lumi)

Public Attributes
	addWeight
	genEff
	genNEvents
	intLumi
	xSection

Static Public Attributes
	FBINV

Detailed Description

make names uniform wrt Component.

COLIN: messy... should I have several types of weight (base, data, mc)?
COLIN: need to add other weighting factors

Definition at line 10 of file weight.py.

Constructor & Destructor Documentation

__init__()

def weight.Weight.__init__	(		self,
			genNEvents,
			xSection,
			genEff,
			intLumi = FBINV,
			addWeight = 1
	)

Definition at line 18 of file weight.py.

    def __init__(self, genNEvents, xSection, genEff,
                 intLumi = FBINV, addWeight=1):
        self.genNEvents = int(genNEvents)
        if xSection is not None:
            self.xSection = float(xSection)
        else:
            self.xSection = None
        self.genEff = float(genEff)
        if intLumi is not None:
            self.intLumi = float(intLumi)
        else:
            self.intLumi = Weight.FBINV
        self.addWeight = float(addWeight)
        

Member Function Documentation

__str__()

def weight.Weight.__str__

(

self

)

Definition at line 45 of file weight.py.

    def __str__(self):
        if self.xSection is None:          
            return ' intLumi = %5.2f, addWeight = %3.2f' \
               % ( self.intLumi,
                   self.addWeight )
        else:
            return ' genN = %d, xsec = %5.5f pb, genEff = %2.2f, intLumi = %5.2f, addWeight = %3.2f -> weight = %3.5f' \
                   % ( self.genNEvents,
                       self.xSection,
                       self.genEff,
                       self.intLumi,
                       self.addWeight,
                       self.GetWeight() )
        
 

References weight.Weight.addWeight, config.MCComponent.addWeight, weight.Weight.genEff, weight.Weight.genNEvents, weight.Weight.GetWeight(), weight.Weight.intLumi, config.DataComponent.intLumi, config.MCComponent.intLumi, weight.Weight.xSection, and config.MCComponent.xSection.

GetWeight()

def weight.Weight.GetWeight

(

self

)

Return the weight

Definition at line 32 of file weight.py.

    def GetWeight(self):
        '''Return the weight'''
        if self.xSection is None:
            # data
            return 1 
        else:
            # MC
            return self.addWeight * self.xSection * self.intLumi / ( self.genNEvents * self.genEff) 
 

References weight.Weight.addWeight, config.MCComponent.addWeight, weight.Weight.genEff, weight.Weight.genNEvents, weight.Weight.intLumi, config.DataComponent.intLumi, config.MCComponent.intLumi, weight.Weight.xSection, and config.MCComponent.xSection.

Referenced by weight.Weight.__str__().

SetIntLumi()

def weight.Weight.SetIntLumi	(		self,
			lumi
	)

Set integrated luminosity.

Definition at line 41 of file weight.py.

    def SetIntLumi(self, lumi):
        '''Set integrated luminosity.'''
        self.dict['intLumi'] = lumi
 

References rltinfo.RLTInfo.dict, and cond::IOVKeysDescription.dict().

Member Data Documentation

addWeight

weight.Weight.addWeight

Definition at line 29 of file weight.py.

Referenced by weight.Weight.__str__(), and weight.Weight.GetWeight().

FBINV

weight.Weight.FBINV

static

Definition at line 16 of file weight.py.

genEff

weight.Weight.genEff

Definition at line 24 of file weight.py.

Referenced by weight.Weight.__str__(), and weight.Weight.GetWeight().

genNEvents

weight.Weight.genNEvents

Definition at line 19 of file weight.py.

Referenced by weight.Weight.__str__(), and weight.Weight.GetWeight().

intLumi

weight.Weight.intLumi

Definition at line 26 of file weight.py.

Referenced by weight.Weight.__str__(), and weight.Weight.GetWeight().

xSection

weight.Weight.xSection

Definition at line 21 of file weight.py.

Referenced by weight.Weight.__str__(), and weight.Weight.GetWeight().