CDCAxialStereoFusion.h

/**************************************************************************
 * BASF2 (Belle Analysis Framework 2)                                     *
 * Copyright(C) 2014 - Belle II Collaboration                             *
 *                                                                        *
 * Author: The Belle II Collaboration                                     *
 * Contributors: Oliver Frost                                             *
 *                                                                        *
 * This software is provided "as is" without any warranty.                *
 **************************************************************************/
#pragma once
 
#include <tracking/trackFindingCDC/eventdata/utils/DriftLengthEstimator.h>
 
#include <tracking/trackFindingCDC/geometry/HelixParameters.h>
 
namespace Belle2 {
  namespace TrackFindingCDC {
    class CDCSegmentPair;
    class CDCSegment3D;
    class CDCSegment2D;
    class CDCTrajectory3D;
    class CDCTrajectory2D;
 
    class CDCAxialStereoFusion {
 
    public:
      explicit CDCAxialStereoFusion(bool reestimateDriftLength = true)
        : m_reestimateDriftLength(reestimateDriftLength)
      {
      }
 
    public:
      void reconstructFuseTrajectories(const CDCSegmentPair& segmentPair);
 
      void fusePreliminary(const CDCSegmentPair& segmentPair);
 
      CDCTrajectory3D reconstructFuseTrajectories(const CDCSegment2D& fromSegment2D,
                                                  const CDCSegment2D& toSegment2D);
 
      CDCTrajectory3D fusePreliminary(const CDCSegment2D& fromSegment2D,
                                      const CDCSegment2D& toSegment2D);
 
      CDCTrajectory3D reconstructFuseTrajectories(const CDCSegment2D& fromSegment2D,
                                                  const CDCSegment2D& toSegment2D,
                                                  const CDCTrajectory3D& preliminaryTrajectory3D);
 
    public:
      PerigeeHelixAmbiguity calcAmbiguity(const CDCSegment3D& segment3D,
                                          const CDCTrajectory2D& trajectory2D);
 
 
    private:
      bool m_reestimateDriftLength;
 
      DriftLengthEstimator m_driftLengthEstimator;
    };
  }
}