KHitBase.h

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#ifndef KHITBASE_H
#define KHITBASE_H

#include <ostream>
#include "lardata/RecoObjects/Surface.h"
#include "lardata/RecoObjects/KETrack.h"
#include "lardata/RecoObjects/Propagator.h"

namespace trkf {

  class KHitBase
  {
  public:

    KHitBase();

    KHitBase(const std::shared_ptr<const Surface>& psurf, int plane = -1);

    virtual ~KHitBase();

    // Accessors.

    const std::shared_ptr<const Surface>& getPredSurface() const {return fPredSurf;}

    double getPredDistance() const {return fPredDist;}

    const std::shared_ptr<const Surface>& getMeasSurface() const {return fMeasSurf;}

    int getMeasPlane() const {return fMeasPlane;}

    int getID() const {return fID;}

    // Modifiers.

    void setMeasSurface(const std::shared_ptr<const Surface>& psurf) {fMeasSurf = psurf;}

    void setMeasPlane(int plane) {fMeasPlane = plane;}

    // Pure virtual methods.

    virtual bool predict(const KETrack& tre, const Propagator* prop = 0,
                         const KTrack* ref = 0) const = 0;

    virtual double getChisq() const = 0;

    virtual void update(KETrack& tre) const = 0;

    virtual std::ostream& Print(std::ostream& out, bool doTitle = true) const;

    // Attributes.

  protected:

    mutable std::shared_ptr<const Surface> fPredSurf;   
    mutable double fPredDist;                           
    int fID;                                            

  private:

    std::shared_ptr<const Surface> fMeasSurf;           
    int fMeasPlane;                                     
  };

  std::ostream& operator<<(std::ostream& out, const KHitBase& trk);
}

#endif