AbsMeasurement.h

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

   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 genfit_AbsMeasurement_h
#define genfit_AbsMeasurement_h

#include "MeasurementOnPlane.h"
#include "AbsHMatrix.h"

#include <TObject.h>

namespace genfit {

class AbsTrackRep;
class TrackPoint;

class AbsMeasurement : public TObject {

 public:
  AbsMeasurement() : rawHitCoords_(), rawHitCov_(), detId_(-1), hitId_(-1) { ; }
  AbsMeasurement(int nDims) : rawHitCoords_(nDims), rawHitCov_(nDims), detId_(-1), hitId_(-1) { ; }
  AbsMeasurement(const TVectorD &rawHitCoords, const TMatrixDSym &rawHitCov, int detId, int hitId, TrackPoint *trackPoint);

  virtual ~AbsMeasurement();

  virtual AbsMeasurement *clone() const = 0;

  TrackPoint *getTrackPoint() const { return trackPoint_; }
  void setTrackPoint(TrackPoint *tp) { trackPoint_ = tp; }

  const TVectorD &getRawHitCoords() const { return rawHitCoords_; }
  const TMatrixDSym &getRawHitCov() const { return rawHitCov_; }
  TVectorD &getRawHitCoords() { return rawHitCoords_; }
  TMatrixDSym &getRawHitCov() { return rawHitCov_; }
  int getDetId() const { return detId_; }
  int getHitId() const { return hitId_; }

  virtual bool isLeftRightMeasurement() const { return false; }
  virtual int getLeftRightResolution() const { return 0; }

  unsigned int getDim() const { return rawHitCoords_.GetNrows(); }

  void setRawHitCoords(const TVectorD &coords) { rawHitCoords_ = coords; }
  void setRawHitCov(const TMatrixDSym &cov) { rawHitCov_ = cov; }
  void setDetId(int detId) { detId_ = detId; }
  void setHitId(int hitId) { hitId_ = hitId; }

  virtual SharedPlanePtr constructPlane(const StateOnPlane &state) const = 0;

  virtual std::vector<genfit::MeasurementOnPlane *> constructMeasurementsOnPlane(const StateOnPlane &state) const = 0;

  virtual const AbsHMatrix *constructHMatrix(const AbsTrackRep *) const = 0;

  virtual void Print(const Option_t * = "") const;

 private:
  AbsMeasurement &operator=(const AbsMeasurement &); // default cannot work because TVector and TMatrix = operators don't do resizing

 protected:
  AbsMeasurement(const AbsMeasurement &);

  TVectorD rawHitCoords_;
  TMatrixDSym rawHitCov_;
  int detId_; // detId id is -1 per default
  int hitId_; // hitId id is -1 per default

  TrackPoint *trackPoint_; 

 public:
  ClassDef(AbsMeasurement, 3)
};

} /* End of namespace genfit */
#endif // genfit_AbsMeasurement_h