JetResolution Class Reference

#include <JetResolution.h>

Public Member Functions
void	initialize (const std::string &fileName, bool doGaussian=false)
	JetResolution ()
	JetResolution (const std::string &fileName, bool doGaussian=false)
const std::string &	name () const
TF1 *	parameter (const std::string &parameterName, const std::vector< float > &x)
TF1 *	parameterEta (const std::string &parameterName, float eta)
double	parameterEtaEval (const std::string &parameterName, float eta, float pt)
const JetCorrectorParameters &	parameters (int i) const
TF1 *	resolution (const std::vector< float > &x, const std::vector< float > &y) const
TF1 *	resolutionEtaPt (float eta, float pt) const
virtual	~JetResolution ()

Private Attributes
std::string	name_
std::vector< TF1 * >	parameterFncs_
std::vector< JetCorrectorParameters * >	parameters_
TF1 *	resolutionFnc_

Detailed Description

Definition at line 13 of file JetResolution.h.

Constructor & Destructor Documentation

JetResolution::JetResolution

(

)

Definition at line 41 of file JetResolution.cc.

References MillePedeFileConverter_cfg::fileName, initialize(), and resolutionFnc_.

  : resolutionFnc_(0)
{
  resolutionFnc_ = new TF1();
}

JetResolution::JetResolution	(	const std::string &	fileName,
		bool	doGaussian = false
	)

JetResolution::~JetResolution ( )

virtual

Definition at line 57 of file JetResolution.cc.

References mps_fire::i, parameterFncs_, parameters_, and resolutionFnc_.

{
  delete resolutionFnc_;
  for (unsigned i=0;i<parameterFncs_.size();i++) delete parameterFncs_[i];
  for (unsigned i=0;i<parameters_.size();i++)    delete parameters_[i];
}

Member Function Documentation

void JetResolution::initialize	(	const std::string &	fileName,
		bool	doGaussian = false
	)

Definition at line 70 of file JetResolution.cc.

References JetCorrectorParameters::definitions(), MillePedeFileConverter_cfg::fileName, fnc_dscb(), fnc_gaussalpha(), fnc_gaussalpha1alpha2(), EcalElecEmulTccOnlyExample_cfg::formula, JetCorrectorParameters::Definitions::formula(), JetCorrectorParameters::Definitions::level(), name(), name_, parameterFncs_, parameters_, resolutionFnc_, and tmp.

Referenced by JetResolution().

{
  size_t pos;

  name_ = fileName;
  pos = name_.find_last_of('.'); name_ = name_.substr(0,pos);
  pos = name_.find_last_of('/'); name_ = name_.substr(pos+1);

  JetCorrectorParameters resolutionPars(fileName,"resolution");
  string fncname = "fResolution_" + name_;
  string formula = resolutionPars.definitions().formula();
  if      (doGaussian)                   resolutionFnc_=new TF1(fncname.c_str(),"gaus",0.,5.);
  else if (formula=="DSCB")              resolutionFnc_=new TF1(fncname.c_str(),fnc_dscb,0.,5.,7);
  else if (formula=="GaussAlpha1Alpha2") resolutionFnc_=new TF1(fncname.c_str(),fnc_gaussalpha1alpha2,-5.,5.,5);
  else if (formula=="GaussAlpha")        resolutionFnc_=new TF1(fncname.c_str(),fnc_gaussalpha,-5.,5.,4);
  else                                   resolutionFnc_=new TF1(fncname.c_str(),formula.c_str(),0.,5.);

  resolutionFnc_->SetNpx(200);
  resolutionFnc_->SetParName(0,"N");
  resolutionFnc_->SetParameter(0,1.0);
  unsigned nPar(1);

  string tmp = resolutionPars.definitions().level();
  pos = tmp.find(':');
  while (!tmp.empty()) {
    string paramAsStr = tmp.substr(0,pos);
    if (!doGaussian||paramAsStr=="mean"||paramAsStr=="sigma") {
      parameters_.push_back(new JetCorrectorParameters(fileName,paramAsStr));
      formula = parameters_.back()->definitions().formula();
      parameterFncs_.push_back(new TF1(("f"+paramAsStr+"_"+name()).c_str(),formula.c_str(),
                       parameters_.back()->record(0).parameters()[0],
                       parameters_.back()->record(0).parameters()[1]));
      resolutionFnc_->SetParName(nPar,parameters_.back()->definitions().level().c_str());
      nPar++;
    }
    tmp = (pos==string::npos) ? "" : tmp.substr(pos+1);
    pos = tmp.find(':');
  }

  assert(nPar==(unsigned)resolutionFnc_->GetNpar());
  assert(!doGaussian||nPar==3);
}

const std::string& JetResolution::name ( ) const

inline

Definition at line 32 of file JetResolution.h.

References name_, parameter(), parameterEta(), resolution(), resolutionEtaPt(), AlCaHLTBitMon_QueryRunRegistry::string, x, and y.

Referenced by config.CFG::__str__(), validation.Sample::digest(), initialize(), VIDSelectorBase.VIDSelectorBase::initialize(), and Vispa.Views.PropertyView.Property::valueChanged().

{ return name_; }

TF1 * JetResolution::parameter	(	const std::string &	parameterName,
		const std::vector< float > &	x
	)

Definition at line 154 of file JetResolution.cc.

References stringResolutionProvider_cfi::bin, MessageLogger_cfi::cerr, mps_fire::i, cuy::ii, N, parameterFncs_, parameters_, mps_fire::result, and findQualityFiles::size.

Referenced by name(), and parameterEta().

{
  TF1* result(0);
  for (unsigned i=0;i<parameterFncs_.size()&&result==0;i++) {
    string fncname = parameterFncs_[i]->GetName();
    if (fncname.find("f"+parameterName)==0) {
      stringstream ssname; ssname<<parameterFncs_[i]->GetName();
      for (unsigned ii=0;ii<x.size();ii++)
    ssname<<"_"<<parameters_[i]->definitions().binVar(ii)<<x[ii];
      result = (TF1*)parameterFncs_[i]->Clone();
      result->SetName(ssname.str().c_str());
      int N = parameters_[i]->definitions().nParVar();
      int bin = parameters_[i]->binIndex(x);
      assert(bin>=0);
      assert(bin<(int)parameters_[i]->size());
      const std::vector<float>& pars = parameters_[i]->record(bin).parameters();
      for (unsigned ii=2*N;ii<pars.size();ii++) result->SetParameter(ii-2*N,pars[ii]);
    }
  }

  if (0==result) cerr<<"JetResolution::parameter() ERROR: no parameter "
             <<parameterName<<" found."<<endl;

  return result;
}

TF1 * JetResolution::parameterEta	(	const std::string &	parameterName,
		float	eta
	)

Definition at line 146 of file JetResolution.cc.

References parameter(), and x.

Referenced by main(), and name().

{
  vector<float> x; x.push_back(eta);
  return parameter(parameterName,x);
}

double JetResolution::parameterEtaEval	(	const std::string &	parameterName,
		float	eta,
		float	pt
	)

Definition at line 182 of file JetResolution.cc.

References stringResolutionProvider_cfi::bin, JetCorrectorParameters::binIndex(), JetCorrectorParameters::definitions(), EnergyCorrector::etas, RecoEcal_EventContent_cff::func, cuy::ii, N, JetCorrectorParameters::Definitions::nParVar(), parameterFncs_, JetCorrectorParameters::Record::parameters(), parameters_, JetCorrectorParameters::record(), JetCorrectorParameters::size(), and AlCaHLTBitMon_QueryRunRegistry::string.

Referenced by metsig::SignAlgoResolutions::evalPFJet().

{
  TF1* func(0);
  JetCorrectorParameters* params(0);
  for (std::vector<TF1*>::size_type ifunc = 0; ifunc < parameterFncs_.size(); ++ifunc)
    {
      std::string fncname = parameterFncs_[ifunc]->GetName();
      if ( !(fncname.find("f"+parameterName) == 0) ) continue;
      params = parameters_[ifunc];
      func = (TF1*)parameterFncs_[ifunc];
      break;
    }

  if (!func)
    edm::LogError("ParameterNotFound") << "JetResolution::parameterEtaEval(): no parameter \""
                  << parameterName << "\" found" << std::endl;

  std::vector<float> etas; etas.push_back(eta);
  int bin = params->binIndex(etas);

  if ( !(0 <= bin && bin < (int)params->size() ) )
    edm::LogError("ParameterNotFound") << "JetResolution::parameterEtaEval(): bin out of range: "
                       << bin << std::endl;

  const std::vector<float>& pars = params->record(bin).parameters();

  int N = params->definitions().nParVar();
  for (unsigned ii = 2*N; ii < pars.size(); ++ii)
    {
      func->SetParameter(ii-2*N, pars[ii]);
    }

  return func->Eval(pt);
}

const JetCorrectorParameters& JetResolution::parameters ( int  i ) const

inline

Definition at line 40 of file JetResolution.h.

References mps_fire::i, and parameters_.

Referenced by Vispa.Plugins.ConfigEditor.ConfigDataAccessor.ConfigDataAccessor::inputTags(), Vispa.Plugins.ConfigEditor.ConfigDataAccessor.ConfigDataAccessor::properties(), and Vispa.Plugins.ConfigEditor.ConfigDataAccessor.ConfigDataAccessor::recursePSetProperties().

{ return *(parameters_[i]); }

TF1 * JetResolution::resolution	(	const std::vector< float > &	x,
		const std::vector< float > &	y
	)		const

Definition at line 124 of file JetResolution.cc.

References stringResolutionProvider_cfi::bin, mps_fire::i, N, parameterFncs_, parameters_, resolutionFnc_, findQualityFiles::size, and geometryCSVtoXML::yy.

Referenced by name(), and resolutionEtaPt().

{
  unsigned N(y.size());
  for (unsigned iPar=0;iPar<parameters_.size();iPar++) {
    int bin = parameters_[iPar]->binIndex(x);
    assert(bin>=0);
    assert(bin<(int)parameters_[iPar]->size());
    const std::vector<float>& pars = parameters_[iPar]->record(bin).parameters();
    for (unsigned i=2*N;i<pars.size();i++)
      parameterFncs_[iPar]->SetParameter(i-2*N,pars[i]);
    float yy[4] = {};
    for (unsigned i=0;i<N;i++)
      yy[i] = (y[i] < pars[2*i]) ? pars[2*i] : (y[i] > pars[2*i+1]) ? pars[2*i+1] : y[i];
    resolutionFnc_->SetParameter(iPar+1,
                 parameterFncs_[iPar]->Eval(yy[0],yy[1],yy[2],yy[3]));
  }
  return resolutionFnc_;
}

TF1 * JetResolution::resolutionEtaPt	(	float	eta,
		float	pt
	)		const

Definition at line 115 of file JetResolution.cc.

References resolution(), x, and y.

Referenced by main(), and name().

{
  vector<float> x; x.push_back(eta);
  vector<float> y; y.push_back(pt);
  return resolution(x,y);
}

Member Data Documentation

std::string JetResolution::name_

private

Definition at line 47 of file JetResolution.h.

Referenced by initialize(), and name().

std::vector<TF1*> JetResolution::parameterFncs_

private

Definition at line 49 of file JetResolution.h.

Referenced by initialize(), parameter(), parameterEtaEval(), resolution(), and ~JetResolution().

std::vector<JetCorrectorParameters*> JetResolution::parameters_

private

Definition at line 50 of file JetResolution.h.

Referenced by Mixins._TypedParameterizable::clone(), Types.PSet::clone(), Mixins._TypedParameterizable::copy(), initialize(), parameter(), parameterEtaEval(), parameters(), resolution(), and ~JetResolution().

TF1* JetResolution::resolutionFnc_

mutableprivate

Definition at line 48 of file JetResolution.h.

Referenced by initialize(), JetResolution(), resolution(), and ~JetResolution().