ConversionForwardEstimator.h

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#ifndef  RecoEGAMMA_ConversionForwardEstimator_H
#define  RecoEGAMMA_ConversionForwardEstimator_H

#include "TrackingTools/DetLayers/interface/MeasurementEstimator.h" 
#include "DataFormats/GeometryVector/interface/Vector2DBase.h"
#include "DataFormats/GeometryVector/interface/LocalTag.h"


#include <iostream> 
class RecHit;
class TrajectoryStateOnSurface;
class Plane;

class ConversionForwardEstimator : public MeasurementEstimator {
public:
  ConversionForwardEstimator() {};
  ConversionForwardEstimator( float phiRangeMin, float phiRangeMax, float dr, double nSigma = 3.  ) :
                           thePhiRangeMin( phiRangeMin), thePhiRangeMax( phiRangeMax), dr_(dr),  theNSigma(nSigma) {
    //std::cout << " ConversionForwardEstimator CTOR " << std::endl;
}

  // zero value indicates incompatible ts - hit pair
  std::pair<bool,double> estimate( const TrajectoryStateOnSurface& ts, 
               const TrackingRecHit& hit) const override;
  bool estimate( const TrajectoryStateOnSurface& ts, 
               const Plane& plane) const override;
  ConversionForwardEstimator* clone() const override {
    return new ConversionForwardEstimator(*this);
  } 


Local2DVector maximalLocalDisplacement( const TrajectoryStateOnSurface& ts, const Plane& plane) const override;

 double nSigmaCut() const {return theNSigma;}

private:

  float thePhiRangeMin;
  float thePhiRangeMax;
  float dr_;
  double theNSigma;
};

#endif // ConversionForwardEstimator_H