MultipleScatteringX0Data Class Reference

#include <MultipleScatteringX0Data.h>

Inheritance diagram for MultipleScatteringX0Data:

Public Member Functions
float	maxEta () const
float	minEta () const
	MultipleScatteringX0Data ()
int	nBinsEta () const
float	sumX0atEta (float eta, float r) const override
	~MultipleScatteringX0Data () override
Public Member Functions inherited from SumX0AtEtaDataProvider
virtual	~SumX0AtEtaDataProvider ()

Private Member Functions
std::string	fileName ()

Private Attributes
std::unique_ptr< TH2F >	theData

Detailed Description

Definition at line 19 of file MultipleScatteringX0Data.h.

Constructor & Destructor Documentation

MultipleScatteringX0Data()

MultipleScatteringX0Data::MultipleScatteringX0Data

(

)

Definition at line 15 of file MultipleScatteringX0Data.cc.

                                                   : theData(nullptr) {
  string filename = fileName();
  TFile theFile(filename.c_str(), "READ");
  if (not theFile.IsZombie()) {
    theData.reset(dynamic_cast<TH2F*>(theFile.GetKey("h100")->ReadObj()));
    theData->SetDirectory(nullptr);
  }
  if (!theData) {
    throw cms::Exception("Data not found")
        << " ** MultipleScatteringX0Data ** file: " << filename << " <-- no data found!!!";
  }
}

References Exception, fileName(), corrVsCorr::filename, theData, and interactiveExample::theFile.

~MultipleScatteringX0Data()

MultipleScatteringX0Data::~MultipleScatteringX0Data ( )

override

Definition at line 28 of file MultipleScatteringX0Data.cc.

{}

Member Function Documentation

fileName()

string MultipleScatteringX0Data::fileName ( )

private

Definition at line 30 of file MultipleScatteringX0Data.cc.

                                          {
  string defName = "RecoTracker/TkMSParametrization/data/MultipleScatteringX0Data.root";
  edm::FileInPath f(defName);
  return f.fullPath();
}

References f.

Referenced by MultipleScatteringX0Data().

maxEta()

float MultipleScatteringX0Data::maxEta

(

)

const

Definition at line 50 of file MultipleScatteringX0Data.cc.

                                             {
  if (theData)
    return theData->GetXaxis()->GetXmax();
  else
    return 0;
}

References theData.

Referenced by MSLayersKeeperX0AtEta::init().

minEta()

float MultipleScatteringX0Data::minEta

(

)

const

Definition at line 43 of file MultipleScatteringX0Data.cc.

                                             {
  if (theData)
    return theData->GetXaxis()->GetXmin();
  else
    return 0;
}

References theData.

nBinsEta()

int MultipleScatteringX0Data::nBinsEta

(

)

const

Definition at line 36 of file MultipleScatteringX0Data.cc.

                                             {
  if (theData)
    return theData->GetNbinsX();
  else
    return 0;
}

References theData.

Referenced by MSLayersKeeperX0AtEta::init().

sumX0atEta()

float MultipleScatteringX0Data::sumX0atEta ( float  eta, float  r  ) const

overridevirtual

Implements SumX0AtEtaDataProvider.

Definition at line 57 of file MultipleScatteringX0Data.cc.

                                                                   {
  if (!theData)
    return 0.;
  eta = fabs(eta);
 
  int ieta = theData->GetXaxis()->FindBin(eta);
  int irad = theData->GetYaxis()->FindBin(r);
 
  if (irad < theData->GetNbinsY()) {
    return theData->GetBinContent(ieta, irad);
  } else {
    float sumX0 = 0;
    for (int ir = theData->GetNbinsY(); ir > 0; ir--) {
      float val = theData->GetBinContent(ieta, ir);
      if (val > sumX0)
        sumX0 = val;
    }
    return sumX0;
  }
}

References PVValHelper::eta, LEDCalibrationChannels::ieta, alignCSCRings::r, theData, and heppy_batch::val.

Member Data Documentation

theData

std::unique_ptr<TH2F> MultipleScatteringX0Data::theData

private

Definition at line 31 of file MultipleScatteringX0Data.h.

Referenced by maxEta(), minEta(), MultipleScatteringX0Data(), nBinsEta(), and sumX0atEta().