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ForwardMeasurementEstimator.h

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#ifndef ForwardMeasurementEstimator_H
#define ForwardMeasurementEstimator_H

// -*- C++ -*-
//
// Package:    EgammaElectronAlgos
// Class:      ForwardMeasurementEstimator
// 
//
// Original Author:  Ursula Berthon, Claude Charlot
//         Created:  Mon Mar 27 13:22:06 CEST 2006
// $Id: ForwardMeasurementEstimator.h,v 1.14 2008/04/12 22:33:57 charlot Exp $
//
//
#include "TrackingTools/PatternTools/interface/MeasurementEstimator.h"
#include "TrackingTools/TrajectoryState/interface/TrajectoryStateOnSurface.h"
#include "DataFormats/GeometrySurface/interface/BoundPlane.h"
#include <utility>

class ForwardMeasurementEstimator : public MeasurementEstimator {
public:
  ForwardMeasurementEstimator() {};
  ForwardMeasurementEstimator(float phiMin, float phiMax, float rMin, float rMax ) : 
    thePhiMin(phiMin), thePhiMax( phiMax), theRMin(rMin), theRMax(rMax) {}

  void setPhiRange(float dummyphiMin , float dummyphiMax) 
  { 
    thePhiMin = dummyphiMin ; 
    thePhiMax = dummyphiMax ; 
  }
  void setRRange(float rmin , float rmax) 
  { 
    theRMin = rmin;
    theRMax = rmax;
  }
   void setRRangeI(float rmin , float rmax) 
  { 
    theRMinI = rmin;
    theRMaxI = rmax;
  }
  
  // zero value indicates incompatible ts - hit pair
  virtual std::pair<bool,double> estimate( const TrajectoryStateOnSurface& ts, 
                                           const TransientTrackingRecHit& hit) const;

  virtual std::pair<bool,double> estimate( const TrajectoryStateOnSurface& ts, 
                           GlobalPoint &gp) const;

  virtual bool estimate( const TrajectoryStateOnSurface& ts, 
                         const BoundPlane& plane) const;

  virtual ForwardMeasurementEstimator* clone() const
    {
      return new ForwardMeasurementEstimator(*this);
    }

  MeasurementEstimator::Local2DVector 
    maximalLocalDisplacement( const TrajectoryStateOnSurface& ts,
                              const BoundPlane& plane) const;

 private:

  float thePhiMin;
  float thePhiMax;
  float theRMin;
  float theRMax;
  float theRMinI, theRMaxI;

};

#endif // ForwardMeasurementEstimator_H

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