ThirdHitCorrection.h

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#ifndef RecoPixelVertexing_PixelTriplets_ThirdHitCorrection_H
#define RecoPixelVertexing_PixelTriplets_ThirdHitCorrection_H

namespace edm {class EventSetup; }
#include "RecoTracker/TkMSParametrization/interface/LongitudinalBendingCorrection.h"
#include "RecoTracker/TkMSParametrization/interface/MultipleScatteringParametrisation.h"

class DetLayer;

#include "RecoTracker/TkMSParametrization/interface/PixelRecoRange.h"
#include "RecoTracker/TkMSParametrization/interface/PixelRecoPointRZ.h"
#include "RecoTracker/TkMSParametrization/interface/PixelRecoLineRZ.h"

class ThirdHitCorrection {
public:

  typedef PixelRecoRange<float> Range; 

  ThirdHitCorrection(){}

  void init(
      const edm::EventSetup &es,
      float pt,
      const DetLayer & layer1,
      const DetLayer & layer2,
      const DetLayer & layer3,
      bool useMultipleScattering,
      bool useBendingCorrection
  );

  void init(
      const edm::EventSetup &es,
      float pt,
      const DetLayer & layer3,
      bool useMultipleScattering,
      bool useBendingCorrection
  );


  ThirdHitCorrection( 
      const edm::EventSetup &es, 
      float pt, 
      const DetLayer * layer,
      const PixelRecoLineRZ & line,
      const PixelRecoPointRZ & constraint, int ol,
      bool useMultipleScattering,
      bool useBendingCorrection) 
  { 
    init(es, pt, *layer, useMultipleScattering, useBendingCorrection);
    init(line, constraint, ol);
  }

  void init( 
      const PixelRecoLineRZ & line,
      const PixelRecoPointRZ & constraint, int ol);

 
  void correctRPhiRange( Range & range) const {
    range.first -= theMultScattCorrRPhi;
    range.second += theMultScattCorrRPhi;
  }

  void correctRZRange( Range & range) const;

private:
  bool theBarrel;

  bool theUseMultipleScattering;
  bool theUseBendingCorrection;

  PixelRecoLineRZ theLine;
  float theMultScattCorrRPhi=0;
  float theMScoeff=0;
  float thePt;

  pixelrecoutilities::LongitudinalBendingCorrection theBendingCorrection;
  MultipleScatteringParametrisation sigmaRPhi;
  
};

#endif