analysis::tools::PileupWeight Class Reference

#include <PileupWeight.h>

Public Member Functions
std::shared_ptr< TH1D >	histogram (const int &var=0)
	PileupWeight ()
	constructors More...
	PileupWeight (const std::string &)
float	weight (const float &truepu, const int &var=0)
	~PileupWeight ()
	desctructor More...

Protected Attributes
std::map< int, std::shared_ptr< TH1D > >	histos_

Detailed Description

Definition at line 41 of file PileupWeight.h.

Constructor & Destructor Documentation

PileupWeight::PileupWeight

(

)

constructors

Definition at line 15 of file PileupWeight.cc.

{
}

PileupWeight::PileupWeight

(

const std::string &

fname

)

Definition at line 20 of file PileupWeight.cc.

References f, and histos_.

{
   TH1D * tmp;
   std::shared_ptr<TFile> f = std::make_shared<TFile>(fname.c_str(),"old");
   tmp = (TH1D*) f->Get("weight_2down");
   if ( tmp )  histos_[-2] = std::make_shared<TH1D>(*tmp);
   
   tmp = (TH1D*) f->Get("weight_1down");
   if ( tmp )  histos_[-1] = std::make_shared<TH1D>(*tmp);
   
   tmp = (TH1D*) f->Get("weight");
   if ( tmp )  histos_[0] = std::make_shared<TH1D>(*tmp);
   
   tmp = (TH1D*) f->Get("weight_1up");
   if ( tmp )  histos_[1] = std::make_shared<TH1D>(*tmp);
   
   tmp = (TH1D*) f->Get("weight_2up");
   if ( tmp )  histos_[2] = std::make_shared<TH1D>(*tmp);

   if ( ! histos_[-2] ) 
      std::cout << "WARNING - PileupWeight::PileupWeight | Histogram weight_2down not found. Weight = 1" << std::endl;
   if ( ! histos_[-1] ) 
      std::cout << "WARNING - PileupWeight::PileupWeight | Histogram weight_1down not found. Weight = 1" << std::endl;
   if ( ! histos_[0] ) 
      std::cout << "WARNING - PileupWeight::PileupWeight | Histogram weight not found. Weight = 1" << std::endl;
   if ( ! histos_[1] ) 
      std::cout << "WARNING - PileupWeight::PileupWeight | Histogram weight_1up not found. Weight = 1" << std::endl;
   if ( ! histos_[2] ) 
      std::cout << "WARNING - PileupWeight::PileupWeight | Histogram weight_2up not found. Weight = 1" << std::endl;
}

PileupWeight::~PileupWeight

(

)

desctructor

Definition at line 51 of file PileupWeight.cc.

{
   // do anything here that needs to be done at desctruction time
   // (e.g. close files, deallocate resources etc.)
}

Member Function Documentation

std::shared_ptr<TH1D> analysis::tools::PileupWeight::histogram

(

const int &

var = 0

)

float PileupWeight::weight	(	const float &	truepu,
		const int &	var = 0
	)

Definition at line 64 of file PileupWeight.cc.

References histos_.

{
   float weight = 1.;
   if ( ! histos_[0] ) return weight;
   if ( ! histos_[var] ) return weight;
   int bin = histos_[var] -> FindBin(truepu);
   weight = histos_[var] -> GetBinContent(bin);
   return weight;
}

Member Data Documentation

std::map<int,std::shared_ptr<TH1D> > analysis::tools::PileupWeight::histos_

protected

Definition at line 51 of file PileupWeight.h.

Referenced by PileupWeight(), and weight().

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

• PileupWeight.h
• PileupWeight.cc