MeasurementEstimator.h

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#ifndef Tracker_MeasurementEstimator_H
#define Tracker_MeasurementEstimator_H

#include "DataFormats/GeometryVector/interface/Vector2DBase.h"
#include "DataFormats/GeometryVector/interface/LocalTag.h"
#include <utility>

class Plane;
class TrajectoryStateOnSurface;
class Surface;
class TrackingRecHit;

class MeasurementEstimator {
public:

  typedef Vector2DBase< float, LocalTag>    Local2DVector;

  virtual ~MeasurementEstimator() {}

  typedef std::pair<bool,double>     HitReturnType;
  typedef bool                   SurfaceReturnType;

  virtual HitReturnType estimate( const TrajectoryStateOnSurface& ts, 
                  const TrackingRecHit& hit) const = 0;

  virtual SurfaceReturnType estimate( const TrajectoryStateOnSurface& ts, 
                      const Plane& plane) const = 0;

/*   virtual SurfaceReturnType estimate( const TrajectoryStateOnSurface& ts,  */
/*                    const Surface& plane) const; */

  virtual MeasurementEstimator* clone() const = 0;

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

#endif // Tracker_MeasurementEstimator_H