MeasurementOnPlane.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_MeasurementOnPlane_h
#define genfit_MeasurementOnPlane_h

#include "MeasuredStateOnPlane.h"
#include "AbsHMatrix.h"

#include <TMatrixD.h>

#include <cmath>

namespace genfit {

class MeasurementOnPlane : public MeasuredStateOnPlane {

 public:
  MeasurementOnPlane(const AbsTrackRep *rep = nullptr) : MeasuredStateOnPlane(rep), hMatrix_(nullptr), weight_(0) {}
  MeasurementOnPlane(const TVectorD &state, const TMatrixDSym &cov, SharedPlanePtr plane, const AbsTrackRep *rep, const AbsHMatrix *hMatrix, double weight = 1.)
    : MeasuredStateOnPlane(state, cov, plane, rep), hMatrix_(hMatrix), weight_(weight)
  {
  }

  MeasurementOnPlane(const MeasurementOnPlane &other);
  MeasurementOnPlane &operator=(MeasurementOnPlane other);
  void swap(MeasurementOnPlane &other);

  virtual ~MeasurementOnPlane() {}

  const AbsHMatrix *getHMatrix() const { return hMatrix_.get(); }
  double getWeight() const { return weight_; }

  TMatrixDSym getWeightedCov() { return weight_ * cov_; }

  void setHMatrix(const AbsHMatrix *hMatrix) { hMatrix_.reset(hMatrix); }
  void setWeight(double weight) { weight_ = fmax(weight, 1.E-10); }

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

 protected:
#ifndef __CINT__
  boost::scoped_ptr<const AbsHMatrix> hMatrix_; // Ownership
#else
  const AbsHMatrix *hMatrix_; 
#endif
  double weight_;

 public:
  ClassDef(MeasurementOnPlane, 1)
};

} // namespace genfit
#endif //  _MeasurementOnPlane_h