Reconstruction/TrackUtil/include/TrackUtil/MdcTrackUtil.h

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#ifndef MDCTRACKUTIL_H
#define MDCTRACKUTIL_H
#include "CLHEP/Matrix/SymMatrix.h"
#include "CLHEP/Matrix/Vector.h"
#include "MagneticFieldSvc/IBesMagFieldSvc.h"
#include "MdcGeomSvc/IMdcGeomSvc.h"
 
class MdcTrackUtil {
 
public:
  MdcTrackUtil();
  ~MdcTrackUtil(){};
  static MdcTrackUtil* instance();
 
  int          nLayerTrackPassed( const HepVector helix );
  int          nLayerTrackPassed( const double helix[5] );
  HepVector    patRecPar2BesPar( const HepVector& helixPar );
  HepSymMatrix patRecErr2BesErr( const HepSymMatrix& err );
 
private:
  static MdcTrackUtil* _myself;
 
  IMdcGeomSvc*     m_mdcGeomSvc;
  IBesMagFieldSvc* m_pIMF;
  double           Bz;
};
#endif