KLMTrackFitter.h

/**************************************************************************
 * basf2 (Belle II Analysis Software Framework)                           *
 * Author: The Belle II Collaboration                                     *
 *                                                                        *
 * See git log for contributors and copyright holders.                    *
 * This file is licensed under LGPL-3.0, see LICENSE.md.                  *
 **************************************************************************/
 
#pragma once
 
/* KLM headers. */
#include <klm/geometry/KLMGeometryPar.h>
#include <klm/dataobjects/KLMHit2d.h>
#include <klm/dataobjects/KLMElementNumbers.h>
 
/* CLHEP headers. */
#include <CLHEP/Matrix/SymMatrix.h>
#include <CLHEP/Matrix/Vector.h>
 
/* C++ headers. */
#include <list>
 
namespace Belle2 {
  class KLMTrackFitter {
 
  public:
 
    KLMTrackFitter();
 
    ~KLMTrackFitter();
 
    double fit(std::list<KLMHit2d*>& listTrackPoint);
 
 
    double globalDistanceToHit(KLMHit2d* hit,
                               double& error,
                               double& sigma);
 
 
    double fit1dTrack(std::list< KLMHit2d* > hitList,
                      CLHEP::HepVector&  eta,
                      CLHEP::HepSymMatrix&  error,
                      int depDir,    int indDir);
 
    CLHEP::HepVector    getTrackParam()
    {
      return m_GlobalPar;
    }
 
    CLHEP::HepSymMatrix getTrackParamErr()
    {
      return m_GlobalErr;
    }
 
 
    bool isValid()
    {
      return m_Valid;
    }
 
    bool  isGood()
    {
      return m_Good;
    }
 
    float getChi2()
    {
      return m_Chi2;
    }
 
    int getNumHit()
    {
      return m_NumHit;
    }
 
    void  inValidate()
    {
      m_Valid = false;
    }
 
 
  private:
 
    bool m_Valid;
 
    bool m_Good;
 
    float m_Chi2;
 
    int m_NumHit;
 
    CLHEP::HepVector     m_GlobalPar;
 
    CLHEP::HepSymMatrix  m_GlobalErr;
 
    Belle2::KLM::KLMGeometryPar*   m_GeoPar;
 
  };
} // end of namespace Belle2