SVDHoughTrackingTreeSearcher.dcl.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
 
#include <tracking/trackFindingCDC/findlets/base/Findlet.h>
#include <tracking/trackFindingCDC/utilities/WeightedRelation.h>
#include <tracking/trackFindingCDC/numerics/WithWeight.h>
#include <tracking/trackFindingCDC/ca/CellularAutomaton.h>
 
namespace Belle2 {
  class ModuleParamList;
 
  namespace vxdHoughTracking {

    template <class AHit, class APathFilter, class AResult>
    class SVDHoughTrackingTreeSearcher : public
      TrackFindingCDC::Findlet<AHit*, const TrackFindingCDC::WeightedRelation<AHit>, AResult> {
    private:
      using Super = TrackFindingCDC::Findlet<AHit*, const TrackFindingCDC::WeightedRelation<AHit>, AResult>;
 
    public:
      SVDHoughTrackingTreeSearcher();

      void exposeParameters(ModuleParamList* moduleParamList, const std::string& prefix) final;

      void apply(std::vector<AHit*>& hits,
                 const std::vector<TrackFindingCDC::WeightedRelation<AHit>>& relations,
                 std::vector<AResult>& results) final;
 
    private:
      void traverseTree(std::vector<TrackFindingCDC::WithWeight<const AHit*>>& path,
                        const std::vector<TrackFindingCDC::WeightedRelation<AHit>>& relations,
                        std::vector<AResult>& results);
 
    private:
      APathFilter m_pathFilter;

      TrackFindingCDC::CellularAutomaton<AHit> m_automaton;

      uint m_applyTwoHitFilterIfMoreChildStates = 50;
    };
 
  }
}