GFAbsRecoHit.h

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/* Copyright 2008-2010, Technische Universitaet Muenchen,
   Authors: Christian Hoeppner & Sebastian Neubert

   This file is part of GENFIT.

   GENFIT is free software: you can redistribute it and/or modify
   it under the terms of the GNU Lesser General Public License as published
   by the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.

   GENFIT is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public License
   along with GENFIT.  If not, see <http://www.gnu.org/licenses/>.
*/
/* @{ */



#ifndef GFABSRECOHIT_H
#define GFABSRECOHIT_H

#include<iostream>

#include "TMatrixT.h"
#include "TObject.h"

#include "GFAbsTrackRep.h"
#include "GFDetPlane.h"

class GFAbsRecoHit : public TObject{
protected:
  TMatrixT<double> fHitCoord;

  TMatrixT<double> fHitCov;

 private:
  int fNparHit;

public:
  virtual ~GFAbsRecoHit();

  GFAbsRecoHit(int NparHit);

  GFAbsRecoHit();

  virtual TMatrixT<double> getHMatrix(const GFAbsTrackRep* stateVector)=0;
  
  
  virtual TMatrixT<double> residualVector(const GFAbsTrackRep* stateVector,
                                  const TMatrixT<double>& state,
                                  const GFDetPlane& d) {
    TMatrixT<double> H = getHMatrix(stateVector);
    return ( getHitCoord(d) - (H*state ));
  }

  
  TMatrixT<double> getRawHitCov() const {return fHitCov;}

  TMatrixT<double> getRawHitCoord() const {return fHitCoord;}

  virtual TMatrixT<double> getHitCov(const GFDetPlane&)=0;

  virtual TMatrixT<double> getHitCoord(const GFDetPlane&)=0;
  
  
  virtual const GFDetPlane& getDetPlane(GFAbsTrackRep*) = 0; 
   

  
  virtual GFAbsRecoHit* clone() = 0;

  virtual void Print() {fHitCoord.Print();}

  virtual const std::string& getPolicyName();

  int getNparHit(){return fNparHit;}

 public:
  ClassDef(GFAbsRecoHit,3)

};
  

#endif //FITTER_ABSHIT_H