//-----------------------------------------------------------
// File and Version Information:
// $Id$
//
// Description:
//      Residual Object for Track-MC residuals
//
// Environment:
//      Software developed for the PANDA Detector at FAIR.
//
// Author List:
//      Sverre Doerheim (original author)
//      Physik Department E18, TUM
//
//-----------------------------------------------------------
#ifndef TPCGFTRACKMCTRACKRESIDUAL_H
#define TPCGFTRACKMCTRACKRESIDUAL_H

#include "AbsResidual.h"

#include <TVector3.h>
#include <TMatrixD.h>

class TpcGFTrackMCTrackResidual : public AbsResidual
{

public:
    TpcGFTrackMCTrackResidual();
    virtual ~TpcGFTrackMCTrackResidual(){;}

    void setMom(const TVector3 mcMom,const TVector3 mom);
    void setStartPos(const TVector3 mcStartPos,const TVector3 startPos);
    void setMom(const TVector3 mcMom,const TVector3 mom, TMatrixD momCov);
    void setStartPos(const TVector3 mcStartPos,const TVector3 startPos, TMatrixD posCov);
    void setMotherId(int id){fMotherId=id;}
    void setPdgId(int pdgId){fpdgId=pdgId;}
    void setFlag(int flag){ftrkFlag=flag;}

    TVector3 getMomRes(){return fMomRes;}
    TVector3 getPosRes(){return fPosRes;}

    double getThetaRes(){return (fMcMom.Theta()-fMom.Theta());}
    double getPhiRes(){return (fMcMom.Phi()-fMom.Phi());}

private:
    TVector3 fMcMom;
    TVector3 fMom;
    TMatrixD fMomCov;
    TVector3 fMcStartPos;
    TVector3 fPocaStart;
    TMatrixD fPosCov;

    int fpdgId;
    int ftrkFlag;
    int fMcCharge;

    TVector3 fMomRes;
    TVector3 fPosRes;
    int fMotherId;

  public:
   ClassDef(TpcGFTrackMCTrackResidual,2)
};

#endif // TPCGFTRACKMCTRACKRESIDUAL_H