KFitTrack.h

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#ifndef KFITTRACK_H
#define KFITTRACK_H

#include "lardata/RecoObjects/KETrack.h"

namespace trkf {

  class KFitTrack : public KETrack {
  public:
    enum FitStatus {
      INVALID,            // No valid fit information.
      UNKNOWN,            // Unknown.
      FORWARD,            // Fit based on past measurements, including current surface.
      FORWARD_PREDICTED,  // Fit based on past measurements, not including current surface.
      BACKWARD,           // Fit based on future measurements, including current surface.
      BACKWARD_PREDICTED, // Fit based on future measurements, not including current surface.
      OPTIMAL,            // Fit based on all measurements, including current surface.
      OPTIMAL_PREDICTED   // Fit based on all measurements, except current surface.
    };

    KFitTrack();

    KFitTrack(const KETrack& tre, double s = 0., double chisq = 0., FitStatus stat = INVALID);

    virtual ~KFitTrack();

    // Accessors.

    double getPath() const { return fPath; }    
    double getChisq() const { return fChisq; }  
    FitStatus getStat() const { return fStat; } 

    // Modifiers.

    void setPath(double path) { fPath = path; }     
    void setChisq(double chisq) { fChisq = chisq; } 
    void setStat(FitStatus stat) { fStat = stat; }  

    bool combineFit(const KFitTrack& trf);

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

  private:
    // Attributes.

    double fPath;    
    double fChisq;   
    FitStatus fStat; 
  };
}

#endif