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