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