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)
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 40 of file JetResolution.cc.

References resolutionFnc_.

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

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

JetResolution::~JetResolution ( )

virtual

Definition at line 56 of file JetResolution.cc.

References 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 69 of file JetResolution.cc.

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

{
  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 30 of file JetResolution.h.

References name_.

Referenced by initialize(), and Vispa.Views.PropertyView.Property::valueChanged().

{ return name_; }

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

Definition at line 153 of file JetResolution.cc.

References newFWLiteAna::bin, dtNoiseDBValidation_cfg::cerr, i, N, parameterFncs_, parameters_, query::result, and findQualityFiles::size.

Referenced by 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 145 of file JetResolution.cc.

References parameter(), and vdt::x.

Referenced by main().

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

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

inline

Definition at line 38 of file JetResolution.h.

References 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 123 of file JetResolution.cc.

References newFWLiteAna::bin, i, N, parameterFncs_, parameters_, resolutionFnc_, and findQualityFiles::size.

Referenced by 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 114 of file JetResolution.cc.

References resolution(), vdt::x, and detailsBasic3DVector::y.

Referenced by main().

{
  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 45 of file JetResolution.h.

Referenced by initialize(), and name().

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

private

Definition at line 47 of file JetResolution.h.

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

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

private

Definition at line 48 of file JetResolution.h.

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

TF1* JetResolution::resolutionFnc_

mutableprivate

Definition at line 46 of file JetResolution.h.

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