GFRaveTrackParameters.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 GFRAVETRACKPARAMETERS_H
#define GFRAVETRACKPARAMETERS_H
 
#include "Track.h"
#include "AbsTrackRep.h"
 
#include <TObject.h>
#include <TVector3.h>
#include <TVectorD.h>
#include <TMatrixDSym.h>
#include <TRef.h>
 
#include <iostream>
 
 
namespace genfit {
 
class GFRaveTrackParameters : public TObject
{
  public:
    // constructors, destructors
    GFRaveTrackParameters();
    GFRaveTrackParameters(const Track* track, MeasuredStateOnPlane* originalState, double weight, const TVectorD & state6, const TMatrixDSym & cov6x6, bool isSmoothed);
    GFRaveTrackParameters(const Track* track, MeasuredStateOnPlane* originalState, double weight);
 
    // Accessors
    double getWeight() const {return weight_;}
 
    bool hasTrack() const {return originalTrack_.GetObject() != NULL;}
    const Track* getTrack() const {return  static_cast<Track*>(originalTrack_.GetObject());}
 
    UInt_t GetUniqueID() const {return originalTrack_.GetUniqueID();}
 
    bool hasSmoothedData() const {return hasSmoothedData_;}
    TVectorD getState() const {return state_;}
    TVector3 getPos() const;
    TVector3 getMom() const;
    const TMatrixDSym & getCov() const {return cov_;}
 
    double getCharge() const;
    double getPdg() const;
 
    void Print(const Option_t* = "") const;
 
  private:
 
    const TRef originalTrack_; // NO ownership. We use TRef, since the Tracks could be stored in another file or tree.
 
    double weight_; // weight of the track in the vertex
    TVectorD state_; // x, y, z, px, py, pz
    TMatrixDSym cov_; // 6x6 covariance matrix
    bool hasSmoothedData_; // true if state_ is forced to go through the vertex
 
  private:
    ClassDef(GFRaveTrackParameters, 1)
};
 
} /* End of namespace genfit */
#endif // GFRAVETRACKPARAMETERS_H