EnergyScaleCorrection Class Reference

#include <EnergyScaleCorrection.h>

Classes
class	CorrectionCategory
class	ScaleCorrection
struct	SmearCorrection
class	Sorter

Public Types
enum	FileFormat { UNKNOWN = 0, GLOBE, ECALELF_TOY, ECALELF }
enum	ParamSmear { kNone = 0, kRho, kPhi, kNParamSmear }
enum	ScaleNuisances {   kErrStatBitNr = 0, kErrSystBitNr = 1, kErrGainBitNr = 2, kErrNrBits = 3,   kErrNone = 0, kErrStat = 1, kErrSyst = 2, kErrGain = 4,   kErrStatSyst = 3, kErrStatGain = 5, kErrSystGain = 6, kErrStatSystGain = 7 }

Public Member Functions
	EnergyScaleCorrection (const std::string &correctionFileName, unsigned int genSeed=0)
	EnergyScaleCorrection ()
const ScaleCorrection *	getScaleCorr (unsigned int runnr, double et, double eta, double r9, unsigned int gainSeed) const
const SmearCorrection *	getSmearCorr (unsigned int runnr, double et, double eta, double r9, unsigned int gainSeed) const
float	scaleCorr (unsigned int runnr, double et, double eta, double r9, unsigned int gainSeed=12, std::bitset< kErrNrBits > uncBitMask=kErrNone) const
float	scaleCorrUncert (unsigned int runnr, double et, double eta, double r9, unsigned int gainSeed, std::bitset< kErrNrBits > uncBitMask=kErrNone) const
void	setSmearingType (FileFormat value)
float	smearingSigma (int runnr, double et, double eta, double r9, unsigned int gainSeed, ParamSmear par, float nSigma=0.) const
float	smearingSigma (int runnr, double et, double eta, double r9, unsigned int gainSeed, float nSigmaRho, float nSigmaPhi) const
	~EnergyScaleCorrection ()

Private Member Functions
void	addScale (const std::string &category, int runMin, int runMax, double deltaP, double errDeltaP, double errSystDeltaP, double errDeltaPGain)
void	addScale (int runMin, int runMax, double etaMin, double etaMax, double r9Min, double r9Max, double etMin, double etMax, unsigned int gain, double energyScale, double energyScaleErrStat, double energyScaleErrSyst, double energyScaleErrGain)
void	addSmearing (const std::string &category, int runMin, int runMax, double rho, double errRho, double phi, double errPhi, double eMean, double errEMean)
void	readScalesFromFile (const std::string &filename)
void	readSmearingsFromFile (const std::string &filename)

Private Attributes
std::map< CorrectionCategory, ScaleCorrection >	scales_
std::map< CorrectionCategory, SmearCorrection >	smearings_
FileFormat	smearingType_

Static Private Attributes
static constexpr float	kDefaultScaleVal_ = 1.0
static constexpr float	kDefaultSmearVal_ = 0.0

Detailed Description

Definition at line 18 of file EnergyScaleCorrection.h.

Member Enumeration Documentation

enum EnergyScaleCorrection::FileFormat

Enumerator
UNKNOWN
GLOBE
ECALELF_TOY
ECALELF

Definition at line 20 of file EnergyScaleCorrection.h.

{ UNKNOWN = 0, GLOBE, ECALELF_TOY, ECALELF };

enum EnergyScaleCorrection::ParamSmear

Enumerator
kNone
kRho
kPhi
kNParamSmear

Definition at line 22 of file EnergyScaleCorrection.h.

{ kNone = 0, kRho, kPhi, kNParamSmear };

enum EnergyScaleCorrection::ScaleNuisances

Enumerator
kErrStatBitNr
kErrSystBitNr
kErrGainBitNr
kErrNrBits
kErrNone
kErrStat
kErrSyst
kErrGain
kErrStatSyst
kErrStatGain
kErrSystGain
kErrStatSystGain

Definition at line 24 of file EnergyScaleCorrection.h.

                      {
    kErrStatBitNr = 0,
    kErrSystBitNr = 1,
    kErrGainBitNr = 2,
    kErrNrBits = 3,
    kErrNone = 0,
    kErrStat = 1,
    kErrSyst = 2,
    kErrGain = 4,
    kErrStatSyst = 3,
    kErrStatGain = 5,
    kErrSystGain = 6,
    kErrStatSystGain = 7
  };

Constructor & Destructor Documentation

EnergyScaleCorrection::EnergyScaleCorrection	(	const std::string &	correctionFileName,
		unsigned int	genSeed = 0
	)

Definition at line 13 of file EnergyScaleCorrection.cc.

References Exception, lut2db_cfg::filename, readScalesFromFile(), readSmearingsFromFile(), scales_, smearings_, and AlCaHLTBitMon_QueryRunRegistry::string.

    : smearingType_(ECALELF) {
  if (!correctionFileName.empty()) {
    std::string filename = correctionFileName + "_scales.dat";
    readScalesFromFile(filename);
    if (scales_.empty()) {
      throw cms::Exception("EnergyScaleCorrection") << "scale correction map empty";
    }
  }

  if (!correctionFileName.empty()) {
    std::string filename = correctionFileName + "_smearings.dat";
    readSmearingsFromFile(filename);
    if (smearings_.empty()) {
      throw cms::Exception("EnergyScaleCorrection") << "smearing correction map empty";
    }
  }
}

EnergyScaleCorrection::EnergyScaleCorrection ( )

inline

Definition at line 128 of file EnergyScaleCorrection.h.

{};

EnergyScaleCorrection::~EnergyScaleCorrection ( )

inline

Definition at line 129 of file EnergyScaleCorrection.h.

{}

Member Function Documentation

void EnergyScaleCorrection::addScale ( const std::string &  category, int  runMin, int  runMax, double  deltaP, double  errDeltaP, double  errSystDeltaP, double  errDeltaPGain  )

private

Definition at line 119 of file EnergyScaleCorrection.cc.

References eostools::cat(), alignCSCRings::corr, Exception, mps_fire::result, and scales_.

Referenced by readScalesFromFile().

                                                                {
  CorrectionCategory cat(category, runMin, runMax);  // build the category from the string
  auto result = scales_.equal_range(cat);
  if (result.first != result.second) {
    throw cms::Exception("ConfigError") << "Category already defined! " << cat;
  }

  ScaleCorrection corr(energyScale, energyScaleErrStat, energyScaleErrSyst, energyScaleErrGain);
  scales_.insert(result.first, {cat, corr});  //use a hint where to insert
}

void EnergyScaleCorrection::addScale ( int  runMin, int  runMax, double  etaMin, double  etaMax, double  r9Min, double  r9Max, double  etMin, double  etMax, unsigned int  gain, double  energyScale, double  energyScaleErrStat, double  energyScaleErrSyst, double  energyScaleErrGain  )

private

Definition at line 136 of file EnergyScaleCorrection.cc.

References eostools::cat(), alignCSCRings::corr, Exception, mps_fire::result, and scales_.

                                                                {
  CorrectionCategory cat(runMin, runMax, etaMin, etaMax, r9Min, r9Max, etMin, etMax, gain);

  auto result = scales_.equal_range(cat);
  if (result.first != result.second) {
    throw cms::Exception("ConfigError") << "Category already defined! " << cat;
  }

  ScaleCorrection corr(energyScale, energyScaleErrStat, energyScaleErrSyst, energyScaleErrGain);
  scales_.insert(result.first, {cat, corr});
}

void EnergyScaleCorrection::addSmearing ( const std::string &  category, int  runMin, int  runMax, double  rho, double  errRho, double  phi, double  errPhi, double  eMean, double  errEMean  )

private

Definition at line 160 of file EnergyScaleCorrection.cc.

References eostools::cat(), alignCSCRings::corr, Exception, and smearings_.

Referenced by readSmearingsFromFile().

                                                         {
  CorrectionCategory cat(category);
  auto res = smearings_.equal_range(cat);

  if (res.first != res.second) {
    throw cms::Exception("EnergyScaleCorrection") << "Smearing category already defined " << cat;
  }

  SmearCorrection corr(rho, errRho, phi, errPhi, eMean, errEMean);
  smearings_.insert(res.first, {cat, corr});  //use a hint from res
}

const EnergyScaleCorrection::ScaleCorrection * EnergyScaleCorrection::getScaleCorr	(	unsigned int	runnr,
		double	et,
		double	eta,
		double	r9,
		unsigned int	gainSeed
	)		const

Definition at line 77 of file EnergyScaleCorrection.cc.

References category, Exception, mps_fire::result, and scales_.

Referenced by PhotonEnergyCalibrator::calibrate(), ElectronEnergyCalibrator::calibrate(), scaleCorr(), and scaleCorrUncert().

                                                                                       {
  // buld the category based on the values of the object
  CorrectionCategory category(runnr, et, eta, r9, gainSeed);
  auto result = scales_.find(category);

  if (result == scales_.end()) {
    edm::LogInfo("EnergyScaleCorrection")
        << "Scale category not found: " << category << " Returning uncorrected value.";
    return nullptr;
  }

  //validate the result, just to be sure
  if (!result->first.inCategory(runnr, et, eta, r9, gainSeed)) {
    throw cms::Exception("LogicError") << " error found scale category " << result->first
                                       << " that does not contain run " << runnr << " et " << et << " eta " << eta
                                       << " r9 " << r9 << " gain seed " << gainSeed;
  }
  return &result->second;
}

const EnergyScaleCorrection::SmearCorrection * EnergyScaleCorrection::getSmearCorr	(	unsigned int	runnr,
		double	et,
		double	eta,
		double	r9,
		unsigned int	gainSeed
	)		const

Definition at line 98 of file EnergyScaleCorrection.cc.

References category, Exception, mps_fire::result, and smearings_.

Referenced by PhotonEnergyCalibrator::calibrate(), ElectronEnergyCalibrator::calibrate(), and smearingSigma().

                                                                                       {
  // buld the category based on the values of the object
  CorrectionCategory category(runnr, et, eta, r9, gainSeed);
  auto result = smearings_.find(category);

  if (result == smearings_.end()) {
    edm::LogInfo("EnergyScaleCorrection")
        << "Smear category not found: " << category << " Returning uncorrected value.";
    return nullptr;
  }

  //validate the result, just to be sure
  if (!result->first.inCategory(runnr, et, eta, r9, gainSeed)) {
    throw cms::Exception("LogicError") << " error found smear category " << result->first
                                       << " that does not contain run " << runnr << " et " << et << " eta " << eta
                                       << " r9 " << r9 << " gain seed " << gainSeed;
  }
  return &result->second;
}

void EnergyScaleCorrection::readScalesFromFile ( const std::string &  filename )

private

< Min eta value for the bin

< Max eta value for the bin

< Min R9 vaule for the bin

< Max R9 value for the bin

< Min Et value for the bin

< Max Et value for the bin

< 12, 6, 1, 61 (double gain switch)

Definition at line 188 of file EnergyScaleCorrection.cc.

References addScale(), category, HLT_FULL_cff::distance, Puppi_cff::etaMax, Puppi_cff::etaMin, HLT_FULL_cff::etMin, Exception, mergeVDriftHistosByStation::file, contentValuesFiles::fullPath, geometryCSVtoXML::line, test_db_connect::runMax, test_db_connect::runMin, cms::cuda::stream, and AlCaHLTBitMon_QueryRunRegistry::string.

Referenced by EnergyScaleCorrection().

                                                                        {
  std::ifstream file(edm::FileInPath(filename).fullPath().c_str());

  if (!file.good()) {
    throw cms::Exception("EnergyScaleCorrection") << "file " << filename << " not readable.";
  }

  int runMin, runMax;
  std::string category, region2;
  double energyScale, energyScaleErr, energyScaleErrStat, energyScaleErrSyst, energyScaleErrGain;

  double etaMin;      
  double etaMax;      
  double r9Min;       
  double r9Max;       
  double etMin;       
  double etMax;       
  unsigned int gain;  

  // TO count the #columns in that txt file and decide based on that the version to read
  std::string line;
  std::stringstream stream;
  getline(file, line);
  stream.clear();
  stream << line;

  int ncols = std::distance(std::istream_iterator<std::string>(stream), std::istream_iterator<std::string>());

  file.seekg(0, std::ios::beg);

  if (ncols == 9) {
    for (file >> category; file.good(); file >> category) {
      file >> region2 >> runMin >> runMax >> energyScale >> energyScaleErr >> energyScaleErrStat >>
          energyScaleErrSyst >> energyScaleErrGain;
      addScale(category, runMin, runMax, energyScale, energyScaleErrStat, energyScaleErrSyst, energyScaleErrGain);
    }
  } else {
    if (file.peek() == 'r')
      file.ignore(1000, 10);

    for (file >> runMin; file.good(); file >> runMin) {
      file >> runMax >> etaMin >> etaMax >> r9Min >> r9Max >> etMin >> etMax >> gain >> energyScale >> energyScaleErr;
      file.ignore(1000, 10);
      energyScaleErrStat = energyScaleErr;
      energyScaleErrSyst = 0;
      energyScaleErrGain = 0;

      addScale(runMin,
               runMax,
               etaMin,
               etaMax,
               r9Min,
               r9Max,
               etMin,
               etMax,
               gain,
               energyScale,
               energyScaleErrStat,
               energyScaleErrSyst,
               energyScaleErrGain);
    }
  }

  file.close();
  return;
}

void EnergyScaleCorrection::readSmearingsFromFile ( const std::string &  filename )

private

Definition at line 256 of file EnergyScaleCorrection.cc.

References addSmearing(), category, ECALELF, Puppi_cff::etaMax, Puppi_cff::etaMin, Exception, mergeVDriftHistosByStation::file, contentValuesFiles::fullPath, GLOBE, M_PI_2, phi, rho, test_db_connect::runMax, test_db_connect::runMin, smearingType_, AlCaHLTBitMon_QueryRunRegistry::string, and UNKNOWN.

Referenced by EnergyScaleCorrection().

                                                                           {
  std::ifstream file(edm::FileInPath(filename).fullPath().c_str());
  if (!file.good()) {
    throw cms::Exception("EnergyScaleCorrection") << "file " << filename << " not readable";
  }

  int runMin = 0;
  int runMax = 900000;
  int unused = 0;
  std::string category, region2;
  double rho, phi, eMean, errRho, errPhi, errEMean;
  double etaMin, etaMax, r9Min, r9Max;
  std::string phiString, errPhiString;

  while (file.peek() != EOF && file.good()) {
    if (file.peek() == 10) {  // 10 = \n
      file.get();
      continue;
    }

    if (file.peek() == 35) {  // 35 = #
      file.ignore(1000, 10);  // ignore the rest of the line until \n
      continue;
    }

    if (smearingType_ == UNKNOWN) {  // trying to guess: not recommended
      throw cms::Exception("ConfigError") << "unknown smearing type";

    } else if (smearingType_ == GLOBE) {
      file >> category >> unused >> etaMin >> etaMax >> r9Min >> r9Max >> runMin >> runMax >> eMean >> errEMean >>
          rho >> errRho >> phi >> errPhi;

      addSmearing(category, runMin, runMax, rho, errRho, phi, errPhi, eMean, errEMean);

    } else if (smearingType_ == ECALELF) {
      file >> category >> eMean >> errEMean >> rho >> errRho >> phiString >> errPhiString;

      if (phiString == "M_PI_2")
        phi = M_PI_2;
      else
        phi = std::stod(phiString);

      if (errPhiString == "M_PI_2")
        errPhi = M_PI_2;
      else
        errPhi = std::stod(errPhiString);

      addSmearing(category, runMin, runMax, rho, errRho, phi, errPhi, eMean, errEMean);

    } else {
      file >> category >> rho >> phi;
      errRho = errPhi = eMean = errEMean = 0;
      addSmearing(category, runMin, runMax, rho, errRho, phi, errPhi, eMean, errEMean);
    }
  }

  file.close();
  return;
}

float EnergyScaleCorrection::scaleCorr	(	unsigned int	runnr,
		double	et,
		double	eta,
		double	r9,
		unsigned int	gainSeed = 12,
		std::bitset< kErrNrBits >	uncBitMask = kErrNone
	)		const

Definition at line 32 of file EnergyScaleCorrection.cc.

References getScaleCorr(), kDefaultScaleVal_, and EnergyScaleCorrection::ScaleCorrection::scale().

Referenced by scaleCorrUncert().

                                                                               {
  const ScaleCorrection* scaleCorr = getScaleCorr(runNumber, et, eta, r9, gainSeed);
  if (scaleCorr != nullptr)
    return scaleCorr->scale();
  else
    return kDefaultScaleVal_;
}

float EnergyScaleCorrection::scaleCorrUncert	(	unsigned int	runnr,
		double	et,
		double	eta,
		double	r9,
		unsigned int	gainSeed,
		std::bitset< kErrNrBits >	uncBitMask = kErrNone
	)		const

Definition at line 45 of file EnergyScaleCorrection.cc.

References getScaleCorr(), scaleCorr(), and EnergyScaleCorrection::ScaleCorrection::scaleErr().

                                                                                     {
  const ScaleCorrection* scaleCorr = getScaleCorr(runNumber, et, eta, r9, gainSeed);
  if (scaleCorr != nullptr)
    return scaleCorr->scaleErr(uncBitMask);
  else
    return 0.;
}

void EnergyScaleCorrection::setSmearingType

(

FileFormat

value

)

Definition at line 180 of file EnergyScaleCorrection.cc.

References smearingType_, UNKNOWN, and relativeConstraints::value.

                                                            {
  if (value <= 1) {
    smearingType_ = value;
  } else {
    smearingType_ = UNKNOWN;
  }
}

float EnergyScaleCorrection::smearingSigma	(	int	runnr,
		double	et,
		double	eta,
		double	r9,
		unsigned int	gainSeed,
		ParamSmear	par,
		float	nSigma = 0.
	)		const

Definition at line 58 of file EnergyScaleCorrection.cc.

References kPhi, and kRho.

                                                                                                            {
  if (par == kRho)
    return smearingSigma(runnr, et, eta, r9, gainSeed, nSigma, 0.);
  if (par == kPhi)
    return smearingSigma(runnr, et, eta, r9, gainSeed, 0., nSigma);
  return smearingSigma(runnr, et, eta, r9, gainSeed, 0., 0.);
}

float EnergyScaleCorrection::smearingSigma	(	int	runnr,
		double	et,
		double	eta,
		double	r9,
		unsigned int	gainSeed,
		float	nSigmaRho,
		float	nSigmaPhi
	)		const

Definition at line 67 of file EnergyScaleCorrection.cc.

References getSmearCorr(), kDefaultSmearVal_, and EnergyScaleCorrection::SmearCorrection::sigma().

                                                                                                                  {
  const SmearCorrection* smearCorr = getSmearCorr(runnr, et, eta, r9, gainSeed);

  if (smearCorr != nullptr)
    return smearCorr->sigma(nrSigmaRho, nrSigmaPhi);
  else
    return kDefaultSmearVal_;
}

Member Data Documentation

constexpr float EnergyScaleCorrection::kDefaultScaleVal_ = 1.0

staticprivate

Definition at line 192 of file EnergyScaleCorrection.h.

Referenced by scaleCorr().

constexpr float EnergyScaleCorrection::kDefaultSmearVal_ = 0.0

staticprivate

Definition at line 193 of file EnergyScaleCorrection.h.

Referenced by smearingSigma().

std::map<CorrectionCategory, ScaleCorrection> EnergyScaleCorrection::scales_

private

Definition at line 197 of file EnergyScaleCorrection.h.

Referenced by addScale(), EnergyScaleCorrection(), and getScaleCorr().

std::map<CorrectionCategory, SmearCorrection> EnergyScaleCorrection::smearings_

private

Definition at line 198 of file EnergyScaleCorrection.h.

Referenced by addSmearing(), EnergyScaleCorrection(), and getSmearCorr().

FileFormat EnergyScaleCorrection::smearingType_

private

Definition at line 196 of file EnergyScaleCorrection.h.

Referenced by readSmearingsFromFile(), and setSmearingType().