CMS 3D CMS Logo

Public Member Functions | Private Member Functions | Private Attributes | Friends

pftools::PFClusterCalibration Class Reference

#include <PFClusterCalibration.h>

List of all members.

Public Member Functions

void calibrate (Calibratable &c)
void calibrateTree (TTree *tree)
double getCalibratedEcalEnergy (const double &ecalE, const double &hcalE, const double &eta, const double &phi) const
double getCalibratedEnergy (const double &ecalE, const double &hcalE, const double &eta, const double &phi) const
void getCalibratedEnergyEmbedAInHcal (double &ecalE, double &hcalE, const double &eta, const double &phi) const
double getCalibratedHcalEnergy (const double &ecalE, const double &hcalE, const double &eta, const double &phi) const
void getCalibrationResultWrapper (const Calibratable &c, CalibrationResultWrapper &crw)
std::vector< std::string > * getKnownSectorNames ()
 PFClusterCalibration ()
void setAllowNegativeEnergy (const bool &allowIt)
void setBarrelBoundary (const double &eta)
void setCorrections (const double &lowEP0, const double &lowEP1, const double &globalP0, const double &globalP1)
void setDoCorrection (const int &doCorrection)
void setDoEtaCorrection (const int doEtaCorrection)
void setEcalHcalEnergyCuts (const double &ecalCut, const double &hcalCut)
void setEtaCorrectionParameters (std::vector< double > params)
void setEvolutionParameters (const std::string &sector, std::vector< double > params)
void setMaxEToCorrect (double maxE)
virtual ~PFClusterCalibration ()

Private Member Functions

void init ()

Private Attributes

int allowNegativeEnergy_
double barrelEndcapEtaDiv_
TF1 * correction_
double correctionLowLimit_
int doCorrection_
int doEtaCorrection_
double ecalOnlyDiv_
TF1 * etaCorrection_
double globalP0_
double globalP1_
double hcalOnlyDiv_
double lowEP0_
double lowEP1_
double maxEToCorrect_
std::vector< std::string > names_
std::map< std::string, TF1 > namesAndFunctions_

Friends

std::ostream & pftools::operator<< (std::ostream &s, const PFClusterCalibration &cc)

Detailed Description

Definition at line 36 of file PFClusterCalibration.h.


Constructor & Destructor Documentation

PFClusterCalibration::PFClusterCalibration ( )

Definition at line 104 of file PFClusterCalibration.cc.

References init().

                                           :
        barrelEndcapEtaDiv_(1.0), ecalOnlyDiv_(0.3), hcalOnlyDiv_(0.5),
                        doCorrection_(1), allowNegativeEnergy_(0), doEtaCorrection_(1),
                        maxEToCorrect_(-1.0), correctionLowLimit_(0.), globalP0_(0.0),
                        globalP1_(1.0), lowEP0_(0.0), lowEP1_(1.0) {
  //    std::cout << __PRETTY_FUNCTION__ << std::endl;
        init();
        //      std::cout
        //                      << "WARNING! PFClusterCalibration evolution functions have not yet been initialised - ensure this is done.\n";
        //      std::cout << "PFClusterCalibration construction complete."<< std::endl;

}
PFClusterCalibration::~PFClusterCalibration ( ) [virtual]

Definition at line 117 of file PFClusterCalibration.cc.

References correction_, and etaCorrection_.

                                            {
        delete correction_;
        delete etaCorrection_;
}

Member Function Documentation

void PFClusterCalibration::calibrate ( Calibratable c)
void PFClusterCalibration::calibrateTree ( TTree *  tree)

Definition at line 292 of file PFClusterCalibration.cc.

References calibrate(), gather_cfg::cout, and python::tagInventory::entries.

                                                     {
        std::cout << __PRETTY_FUNCTION__
                        << ": WARNING! This isn't working properly yet!\n";
        TBranch* calibBr = input->GetBranch("Calibratable");
        Calibratable* calib_ptr = new Calibratable();
        calibBr->SetAddress(&calib_ptr);

        //      TBranch* newBranch = input->Branch("NewCalibratable",
        //                      "pftools::Calibratable", &calib_ptr, 32000, 2);

        std::cout << "Looping over tree's "<< input->GetEntries()
                        << " entries...\n";
        for (unsigned entries(0); entries < 20000; entries++) {
                if (entries % 10000== 0)
                        std::cout << "\tProcessing entry "<< entries << "\n";
                input->GetEntry(entries);
                calibrate(*calib_ptr);
                input->Fill();
        }
        //input.Write("",TObject::kOverwrite);
}
double PFClusterCalibration::getCalibratedEcalEnergy ( const double &  ecalE,
const double &  hcalE,
const double &  eta,
const double &  phi 
) const

Definition at line 178 of file PFClusterCalibration.cc.

References barrelEndcapEtaDiv_, and namesAndFunctions_.

Referenced by pftools::CalibCompare::evaluateCalibrations(), pftools::Exercises3::evaluateCalibrator(), getCalibratedEnergy(), getCalibratedEnergyEmbedAInHcal(), and getCalibrationResultWrapper().

                                                                                 {
        const TF1* theFunction(0);

        if (fabs(eta) < barrelEndcapEtaDiv_) {
                //barrel
                theFunction = &(namesAndFunctions_.find("ecalHcalEcalBarrel")->second);
        } else {
                //endcap
                theFunction = &(namesAndFunctions_.find("ecalHcalEcalEndcap")->second);
        }

        assert(theFunction != 0);
        double totalE(ecalE + hcalE);
        double bCoeff = theFunction->Eval(totalE);
        return ecalE * bCoeff;
}
double PFClusterCalibration::getCalibratedEnergy ( const double &  ecalE,
const double &  hcalE,
const double &  eta,
const double &  phi 
) const
void PFClusterCalibration::getCalibratedEnergyEmbedAInHcal ( double &  ecalE,
double &  hcalE,
const double &  eta,
const double &  phi 
) const

Definition at line 239 of file PFClusterCalibration.cc.

References a, allowNegativeEnergy_, correction_, doCorrection_, doEtaCorrection_, etaCorrection_, getCalibratedEcalEnergy(), and getCalibratedHcalEnergy().

                                                                           {

        double ecalEOld(ecalE);
        double hcalEOld(hcalE);

        ecalE = getCalibratedEcalEnergy(ecalEOld, hcalEOld, eta, phi);
        hcalE = getCalibratedHcalEnergy(ecalEOld, hcalEOld, eta, phi);

        double preCorrection(ecalE + hcalE);
        if (doEtaCorrection_)
                preCorrection = preCorrection/etaCorrection_->Eval(eta);

        if (doCorrection_) {
                double corrE = correction_->Eval(preCorrection);
                //a term  = difference
                double a = corrE - preCorrection;
                hcalE += a;
        }
        if (hcalE < 0 && !allowNegativeEnergy_)
                hcalE = 0;

}
double PFClusterCalibration::getCalibratedHcalEnergy ( const double &  ecalE,
const double &  hcalE,
const double &  eta,
const double &  phi 
) const

Definition at line 196 of file PFClusterCalibration.cc.

References barrelEndcapEtaDiv_, and namesAndFunctions_.

Referenced by pftools::CalibCompare::evaluateCalibrations(), pftools::Exercises3::evaluateCalibrator(), getCalibratedEnergy(), getCalibratedEnergyEmbedAInHcal(), and getCalibrationResultWrapper().

                                                                                 {
        const TF1* theFunction(0);

        if (fabs(eta) < barrelEndcapEtaDiv_) {
                //barrel
                theFunction = &(namesAndFunctions_.find("ecalHcalHcalBarrel")->second);
        } else {
                //endcap
                theFunction = &(namesAndFunctions_.find("ecalHcalHcalEndcap")->second);
        }

        double totalE(ecalE + hcalE);
        assert(theFunction != 0);
        double cCoeff = theFunction->Eval(totalE);
        return hcalE * cCoeff;
}
void PFClusterCalibration::getCalibrationResultWrapper ( const Calibratable c,
CalibrationResultWrapper crw 
)
std::vector<std::string>* pftools::PFClusterCalibration::getKnownSectorNames ( ) [inline]

Definition at line 123 of file PFClusterCalibration.h.

References names_.

Referenced by pftools::CalibCompare::CalibCompare(), and pftools::Exercises3::Exercises3().

                                                    {
                return &names_;
        }
void PFClusterCalibration::init ( void  ) [private]

Definition at line 13 of file PFClusterCalibration.cc.

References correction_, correctionLowLimit_, etaCorrection_, globalP0_, globalP1_, lowEP0_, lowEP1_, mergeVDriftHistosByStation::name, names_, and namesAndFunctions_.

Referenced by PFClusterCalibration().

                                {
  
  //std::cout << __PRETTY_FUNCTION__ << std::endl;
        correction_ = new TF1("correction",
                        "((x-[0])/[1])*(x>[4])+((x-[2])/[3])*(x<[4])");
        etaCorrection_
                        = new TF1( "etaCorrection",
                                        "(1-[0]*x-[1]*x*x)*(x<[2])+([3]+[4]*x)*(x>[2]&&x<[5])+(1-[6]*x-[7]*x*x)*(x>[5])");

        correction_->FixParameter(0, globalP0_);
        correction_->FixParameter(1, globalP1_);
        correction_->FixParameter(2, lowEP0_);
        correction_->FixParameter(3, lowEP1_);
        correction_->FixParameter(4, correctionLowLimit_);

        /* These are the types of calibration I know about:
         * ecalOnly_elementName
         * etc. Sorry, it's not very nice, but well, neither is ROOT... */

        std::string eheb("ecalHcalEcalBarrel");
        names_.push_back(eheb);
        std::string ehee("ecalHcalEcalEndcap");
        names_.push_back(ehee);
        std::string ehhb("ecalHcalHcalBarrel");
        names_.push_back(ehhb);
        std::string ehhe("ecalHcalHcalEndcap");
        names_.push_back(ehhe);

        /* char
         * funcString("([0]*[5]*x*([1]-[5]*x)/pow(([2]+[5]*x),3)+[3]*pow([5]*x, 0.1))*([5]*x<[8] && [5]*x>[7])+[4]*([5]*x>[8])+([6]*[5]*x)*([5]*x<[7])");
         */

        const char*
          funcString("([0]*[5]*x)*([5]*x<=[1])+([2]+[3]*exp([4]*[5]*x))*([5]*x>[1])");

        //Create functions for each sector
        for (std::vector<std::string>::const_iterator cit = names_.begin(); cit
                        != names_.end(); ++cit) {
                std::string name = *cit;
                TF1 func(name.c_str(), funcString);
                //some sensible defaults
                func.FixParameter(0, 1);
                func.FixParameter(1, 0);
                func.FixParameter(2, 1);
                func.FixParameter(3, 0);
                func.FixParameter(4, 0);
                func.FixParameter(5, 1);

                func.SetMinimum(0);
                //Store in map
                namesAndFunctions_[name] = func;

        }
}
void pftools::PFClusterCalibration::setAllowNegativeEnergy ( const bool &  allowIt) [inline]
void pftools::PFClusterCalibration::setBarrelBoundary ( const double &  eta) [inline]
void PFClusterCalibration::setCorrections ( const double &  lowEP0,
const double &  lowEP1,
const double &  globalP0,
const double &  globalP1 
)

Definition at line 157 of file PFClusterCalibration.cc.

References correction_, correctionLowLimit_, globalP0_, globalP1_, lowEP0_, and lowEP1_.

Referenced by pftools::CalibCompare::CalibCompare(), and pftools::Exercises3::Exercises3().

                                                                                      {
        //'a' term is -globalP0/globalP1
        globalP0_ = globalP0;
        globalP1_ = globalP1;
        //Specifically for low energies...
        lowEP0_ = lowEP0;
        lowEP1_ = lowEP1;
        //Intersection of two straight lines => matching at...
        correctionLowLimit_ = (lowEP0_ - globalP0_)/(globalP1_ - lowEP1_);

        correction_->FixParameter(0, globalP0_);
        correction_->FixParameter(1, globalP1_);
        correction_->FixParameter(2, lowEP0_);
        correction_->FixParameter(3, lowEP1_);
        correction_->FixParameter(4, correctionLowLimit_);

        //      std::cout << __PRETTY_FUNCTION__ << ": setting correctionLowLimit_ = "
        //              << correctionLowLimit_ << "\n";
}
void pftools::PFClusterCalibration::setDoCorrection ( const int &  doCorrection) [inline]

Definition at line 89 of file PFClusterCalibration.h.

References doCorrection_.

Referenced by pftools::CalibCompare::CalibCompare(), and pftools::Exercises3::Exercises3().

                                                      {
                doCorrection_ = doCorrection;
        }
void pftools::PFClusterCalibration::setDoEtaCorrection ( const int  doEtaCorrection) [inline]

Definition at line 93 of file PFClusterCalibration.h.

References doEtaCorrection_.

Referenced by pftools::CalibCompare::CalibCompare(), and pftools::Exercises3::Exercises3().

                                                           {
                doEtaCorrection_ = doEtaCorrection;
        }
void pftools::PFClusterCalibration::setEcalHcalEnergyCuts ( const double &  ecalCut,
const double &  hcalCut 
) [inline]

Definition at line 98 of file PFClusterCalibration.h.

References ecalOnlyDiv_, and hcalOnlyDiv_.

Referenced by pftools::CalibCompare::CalibCompare(), and pftools::Exercises3::Exercises3().

                                                                                 {
                //std::cout << __PRETTY_FUNCTION__ << "WARNING! These will be ignored.\n";
                ecalOnlyDiv_ = ecalCut;
                hcalOnlyDiv_ = hcalCut;
        }
void PFClusterCalibration::setEtaCorrectionParameters ( std::vector< double >  params)

Definition at line 122 of file PFClusterCalibration.cc.

References prof2calltree::count, gather_cfg::cout, and etaCorrection_.

Referenced by pftools::CalibCompare::CalibCompare(), and pftools::Exercises3::Exercises3().

                                                                              {
        if (params.size() != 6) {
                std::cout << __PRETTY_FUNCTION__ << ": params is of the wrong length."
                                << std::endl;
                return;
        }
        //      std::cout << "Fixing eta correction:\n\t";
        unsigned count(0);
        for (std::vector<double>::const_iterator dit = params.begin(); dit
                        != params.end(); ++dit) {
          //std::cout << *dit << "\t";
                etaCorrection_->FixParameter(count, *dit);
                ++count;
        }
        //      std::cout << std::endl;
        /*for(double eta(0); eta < 2.5; eta += 0.05) {
         std::cout << "Eta = " << eta << ",\tcorr = " << etaCorrection_->Eval(eta) << "\n"; 
         }*/
}
void PFClusterCalibration::setEvolutionParameters ( const std::string &  sector,
std::vector< double >  params 
)

Definition at line 142 of file PFClusterCalibration.cc.

References prof2calltree::count, and namesAndFunctions_.

Referenced by pftools::CalibCompare::CalibCompare(), and pftools::Exercises3::Exercises3().

                                          {
        TF1* func = &(namesAndFunctions_.find(sector)->second);
        unsigned count(0);
        //std::cout << "Fixing for "<< sector << "\n";
        for (std::vector<double>::const_iterator dit = params.begin(); dit
                        != params.end(); ++dit) {
                func->FixParameter(count, *dit);
                //std::cout << "\t"<< count << ": "<< *dit;
                ++count;
        }
        //      std::cout << std::endl;
        func->SetMinimum(0);
}
void pftools::PFClusterCalibration::setMaxEToCorrect ( double  maxE) [inline]

Friends And Related Function Documentation

std::ostream& pftools::operator<< ( std::ostream &  s,
const PFClusterCalibration cc 
) [friend]

Member Data Documentation

Definition at line 147 of file PFClusterCalibration.h.

Referenced by init(), and setCorrections().

Definition at line 139 of file PFClusterCalibration.h.

Referenced by setEcalHcalEnergyCuts().

Definition at line 148 of file PFClusterCalibration.h.

Referenced by init(), and setCorrections().

Definition at line 149 of file PFClusterCalibration.h.

Referenced by init(), and setCorrections().

Definition at line 140 of file PFClusterCalibration.h.

Referenced by setEcalHcalEnergyCuts().

Definition at line 150 of file PFClusterCalibration.h.

Referenced by init(), and setCorrections().

Definition at line 151 of file PFClusterCalibration.h.

Referenced by init(), and setCorrections().

Definition at line 145 of file PFClusterCalibration.h.

Referenced by getCalibratedEnergy(), and setMaxEToCorrect().

std::vector<std::string> pftools::PFClusterCalibration::names_ [private]

Definition at line 159 of file PFClusterCalibration.h.

Referenced by getKnownSectorNames(), and init().

std::map<std::string, TF1> pftools::PFClusterCalibration::namesAndFunctions_ [private]