electronPearShapeAlignmentCorrection Class Reference

return a correction for deltaEta1 to account for the pear shape distortion of the calorimeter More...

#include <electronPearShapeAlignmentCorrection.h>

Collaboration diagram for electronPearShapeAlignmentCorrection:

Public Member Functions
	electronPearShapeAlignmentCorrection (const std::string &infile="rel22_210510/pearshapedistortion.root")
	constructor (initialization reading a root file)
	~electronPearShapeAlignmentCorrection ()=default
double	getDeltaEtaDistortion (const float eta, const float phi) const
	get the correction to deltaEta
double	getDeltaEtaCorrection (const float eta, const float phi) const

Private Attributes
std::unique_ptr< TH2 >	m_sdeta

Detailed Description

return a correction for deltaEta1 to account for the pear shape distortion of the calorimeter

Author

Philip Sommer

Jean-Baptiste De Vivie De Regie

Definition at line 17 of file electronPearShapeAlignmentCorrection.h.

Constructor & Destructor Documentation

electronPearShapeAlignmentCorrection()

electronPearShapeAlignmentCorrection::electronPearShapeAlignmentCorrection

(

const std::string &

infile = "rel22_210510/pearshapedistortion.root"

)

constructor (initialization reading a root file)

Definition at line 13 of file electronPearShapeAlignmentCorrection.cxx.

{
  const std::string path = "EGammaVariableCorrection/" + infile;
  std::unique_ptr<TFile> file =
    std::make_unique<TFile>(PathResolverFindCalibFile(path).c_str());
  if (!file) {
    throw std::runtime_error(
      "cannot find input file for pear shape correction");
  }
 
  m_sdeta = std::unique_ptr<TH2>(dynamic_cast<TH2*>(file->Get(s_histoName)));
  if (!m_sdeta) {
    throw std::runtime_error("cannot find histogram for pear shape correction");
  }
  m_sdeta->SetDirectory(nullptr);
}

~electronPearShapeAlignmentCorrection()

electronPearShapeAlignmentCorrection::~electronPearShapeAlignmentCorrection ( )

default

Member Function Documentation

getDeltaEtaCorrection()

double electronPearShapeAlignmentCorrection::getDeltaEtaCorrection	(	const float	eta,
		const float	phi ) const

Definition at line 43 of file electronPearShapeAlignmentCorrection.cxx.

{
  return (-1. * getDeltaEtaDistortion(eta, phi));
}

getDeltaEtaDistortion()

double electronPearShapeAlignmentCorrection::getDeltaEtaDistortion	(	const float	eta,
		const float	phi ) const

get the correction to deltaEta

Definition at line 32 of file electronPearShapeAlignmentCorrection.cxx.

{
  const int binEta = m_sdeta->GetXaxis()->FindBin(eta);
  const int binPhi = m_sdeta->GetYaxis()->FindBin(phi);
  const double dEtaDistortion = m_sdeta->GetBinContent(binEta, binPhi);
  return dEtaDistortion;
}

Member Data Documentation

m_sdeta

std::unique_ptr<TH2> electronPearShapeAlignmentCorrection::m_sdeta

private

Definition at line 34 of file electronPearShapeAlignmentCorrection.h.

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The documentation for this class was generated from the following files:

• electronPearShapeAlignmentCorrection.h
• electronPearShapeAlignmentCorrection.cxx