TtSemiLRJetCombCalc Class Reference

Class to calculate the jet combination LR value and purity from a root-file with fit functions. More...

#include "TopQuarkAnalysis/TopLeptonSelection/interface/TtSemiLRJetCombCalc.h"

Public Member Functions
void	operator() (TtSemiEvtSolution &)
	TtSemiLRJetCombCalc ()
	TtSemiLRJetCombCalc (const TString &, const std::vector< int > &)
	~TtSemiLRJetCombCalc ()

Private Attributes
bool	addPurity
LRHelpFunctions *	myLR

Detailed Description

Class to calculate the jet combination LR value and purity from a root-file with fit functions.

Author

Jan Heyninck

Version

Id:

TtSemiLRJetCombCalc.h,v 1.4 2008/02/17 11:27:11 rwolf Exp

Definition at line 31 of file TtSemiLRJetCombCalc.h.

Constructor & Destructor Documentation

TtSemiLRJetCombCalc::TtSemiLRJetCombCalc

(

)

TtSemiLRJetCombCalc::TtSemiLRJetCombCalc	(	const TString &	fitInputPath,
		const std::vector< int > &	observables
	)

Definition at line 9 of file TtSemiLRJetCombCalc.cc.

References addPurity, gather_cfg::cout, myLR, and LRHelpFunctions::readObsHistsAndFits().

                                                                                                       {
  std::cout << "=== Constructing a TtSemiLRJetCombCalc... " << std::endl;
  myLR = new LRHelpFunctions();
  addPurity = false;
  if (observables[0] == -1)
    addPurity = true;
  myLR->readObsHistsAndFits(fitInputPath, observables, addPurity);
  std::cout << "=== done." << std::endl;
}

TtSemiLRJetCombCalc::~TtSemiLRJetCombCalc

(

)

Definition at line 20 of file TtSemiLRJetCombCalc.cc.

References myLR.

{ delete myLR; }

Member Function Documentation

void TtSemiLRJetCombCalc::operator()

(

TtSemiEvtSolution &

sol

)

Definition at line 22 of file TtSemiLRJetCombCalc.cc.

References addPurity, LRHelpFunctions::calcLRval(), LRHelpFunctions::calcProb(), TtSemiEvtSolution::getLRJetCombObsVal(), myLR, class-composition::o, LRHelpFunctions::obsFitIncluded(), TtSemiEvtSolution::setLRJetCombLRval(), and TtSemiEvtSolution::setLRJetCombProb().

                                                           {
  // find the used observables
  std::vector<double> obsVals;
  for (unsigned int o = 0; o < 100; o++) {
    if (myLR->obsFitIncluded(o)) {
      obsVals.push_back(sol.getLRJetCombObsVal(o));
    };
  }

  // calculate the logLR and the purity
  double logLR = myLR->calcLRval(obsVals);
  double prob = -999.;
  if (addPurity)
    prob = myLR->calcProb(logLR);

  // fill these values to the members in the TtSemiEvtSolution
  sol.setLRJetCombLRval(logLR);
  sol.setLRJetCombProb(prob);
}

Member Data Documentation

bool TtSemiLRJetCombCalc::addPurity

private

Definition at line 41 of file TtSemiLRJetCombCalc.h.

Referenced by operator()(), and TtSemiLRJetCombCalc().

LRHelpFunctions* TtSemiLRJetCombCalc::myLR

private

Definition at line 40 of file TtSemiLRJetCombCalc.h.

Referenced by operator()(), TtSemiLRJetCombCalc(), and ~TtSemiLRJetCombCalc().