CDCSZFitter.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
 
namespace Belle2 {
 
  namespace TrackingUtilities {
    class CDCTrack;
    class CDCTrajectory2D;
    class CDCTrajectorySZ;
    class CDCSegmentPair;
    class CDCSegment3D;
    class CDCSegment2D;
  }
  namespace TrackFindingCDC {
    class CDCSZObservations;
    class CDCObservations2D;

    class CDCSZFitter {
 
    public:
      static const CDCSZFitter& getFitter();

      TrackingUtilities::CDCTrajectorySZ fitWithStereoHits(const TrackingUtilities::CDCTrack& track) const;

      TrackingUtilities::CDCTrajectorySZ fit(const TrackingUtilities::CDCSegment2D& stereoSegment,
                                             const TrackingUtilities::CDCTrajectory2D& axialTrajectory2D) const;

      TrackingUtilities::CDCTrajectorySZ fit(const TrackingUtilities::CDCSegment3D& segment3D) const;

      TrackingUtilities::CDCTrajectorySZ fit(CDCSZObservations observationsSZ) const;

      TrackingUtilities::CDCTrajectorySZ fit(const CDCObservations2D& observations2D) const;

      void update(const TrackingUtilities::CDCSegmentPair& segmentPair) const;

      void update(TrackingUtilities::CDCTrajectorySZ& trajectorySZ,
                  const TrackingUtilities::CDCSegment2D& stereoSegment,
                  const TrackingUtilities::CDCTrajectory2D& axialTrajectory2D) const;

      void update(TrackingUtilities::CDCTrajectorySZ& trajectorySZ, CDCSZObservations& observationsSZ) const;
    };
  }
}