CalibrationDataInterfaceBase.h

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/*
  Copyright (C) 2002-2022 CERN for the benefit of the ATLAS collaboration
*/
 
// CalibrationDataInterfaceTool.h, (c) ATLAS Detector software
 
// 
// for some details on weighting event using the SF, see
// https://twiki.cern.ch/twiki/bin/view/AtlasProtected/TopCommonObjects#B_tagging
// http://indico.cern.ch/getFile.py/access?contribId=4&resId=0&materialId=slides&confId=106205
// http://cdsweb.cern.ch/record/1269912
// 
 
#ifndef ANALYSISCALIBRATIONDATAINTERFACEBASE_H
#define ANALYSISCALIBRATIONDATAINTERFACEBASE_H
 
//#include "Rtypes.h"
#include "TNamed.h"
#include <vector>
#include <string>
#include <map>
#include <utility>
#include <algorithm>
 
class TF1;
 
namespace Analysis 
{
 
  const double CalibZERO = 1.e-6;
  const double dummyValue = -1.;
  typedef std::pair<double,double> CalibResult;
  // The following result is returned upon error
  const CalibResult dummyResult(dummyValue,dummyValue);
  //  const CalibResult dummyResult(std::make_pair(dummyValue,dummyValue));
 
  class CalibrationDataInterfaceBase : public TNamed {
    public:
      CalibrationDataInterfaceBase();
 
      virtual ~CalibrationDataInterfaceBase() = 0;
      
      const std::string& EffCalibrationName(const std::string& flavour, unsigned int mapIndex = 0) const;
      void setEffCalibrationNames(const std::map<std::string, std::vector<std::string> >& names);
      
      const std::string& SFCalibrationName(const std::string& flavour) const;
      void setSFCalibrationNames(const std::map<std::string, std::string>& names);
      
      enum variableType { kEta, kAbsEta, kPt };
 
    private:
 
      std::map<std::string, std::vector<std::string> > m_calibrationEffNames;
      std::map<std::string, std::string> m_calibrationSFNames;
      
    protected:
 
      // /** @brief auxiliary function for string concatenation */
      // std::string getBasename (const std::string& OP, const std::string& flavour,
      //                   const std::string& extra, bool SF, unsigned int mapIndex = 0) const;
 
      std::string getContainername (const std::string& flavour,
                    bool SF, unsigned int mapIndex = 0) const;
 
      std::string getBasename (const std::string& name) const;
 
      double combinedUncertainty (double stat, const std::pair<double, double>& syst) const;
 
      std::string m_taggerName;
 
      // make it possible to persistify this class (for PROOF purposes)
      ClassDef(CalibrationDataInterfaceBase,1)
    }; 
} // end of namespace
 
#endif