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