SegmentTrackCombiner.h

/**************************************************************************
 * BASF2 (Belle Analysis Framework 2)                                     *
 * Copyright(C) 2015 - Belle II Collaboration                             *
 *                                                                        *
 * Author: The Belle II Collaboration                                     *
 * Contributors: Nils Braun                                               *
 *                                                                        *
 * This software is provided "as is" without any warranty.                *
 **************************************************************************/
#pragma once
 
#include <tracking/trackFindingCDC/findlets/base/Findlet.h>
 
#include <tracking/trackFindingCDC/collectors/matchers/SharingHitsMatcher.h>
#include <tracking/trackFindingCDC/collectors/selectors/CutSelector.h>
#include <tracking/trackFindingCDC/collectors/selectors/FilterSelector.h>
#include <tracking/trackFindingCDC/collectors/selectors/SingleMatchSelector.h>
 
#include <tracking/trackFindingCDC/findlets/minimal/TrackNormalizer.h>
#include <tracking/trackFindingCDC/findlets/minimal/SegmentTrackAdderWithNormalization.h>
#include <tracking/trackFindingCDC/findlets/minimal/TrackRejecter.h>
 
#include <tracking/trackFindingCDC/filters/base/ChooseableFilter.dcl.h>
 
#include <tracking/trackFindingCDC/filters/segmentTrack/BaseSegmentTrackFilter.h>
#include <tracking/trackFindingCDC/filters/segmentTrack/SegmentTrackFilterFactory.h>
 
#include <tracking/trackFindingCDC/eventdata/segments/CDCSegment2D.h>
#include <tracking/trackFindingCDC/eventdata/tracks/CDCTrack.h>
 
#include <vector>
 
namespace Belle2 {
  namespace TrackFindingCDC {
 
    // Guard to prevent repeated instantiations
    extern template class TrackFindingCDC::Chooseable<BaseSegmentTrackFilter>;
    extern template class TrackFindingCDC::ChooseableFilter<SegmentTrackFilterFactory>;
 
    class SegmentTrackCombiner : public Findlet<CDCSegment2D&, CDCTrack&> {
 
    private:
      using Super = Findlet<CDCSegment2D&, CDCTrack&>;
 
    public:
      SegmentTrackCombiner();
 
      std::string getDescription() final;
 
      void beginEvent() final;
 
      void exposeParameters(ModuleParamList* moduleParamList, const std::string& prefix) final;
 
      void apply(std::vector<CDCSegment2D>& segments,
                 std::vector<CDCTrack>& tracks) override;
 
    private:
      // Findlets
      SharingHitsMatcher<CDCTrack, CDCSegment2D> m_sharedHitsMatcher;
 
      CutSelector<CDCTrack, CDCSegment2D> m_selectPairsWithSharedHits;
 
      FilterSelector<CDCTrack, CDCSegment2D, ChooseableFilter<SegmentTrackFilterFactory>> m_chooseableSegmentTrackSelector;
 
      SingleMatchSelector<CDCTrack, CDCSegment2D> m_singleMatchSelector;
 
      SegmentTrackAdderWithNormalization m_segmentTrackAdderWithNormalization;
 
      TrackRejecter m_trackRejecter;
 
      TrackNormalizer m_trackNormalizer;
 
      std::vector<WeightedRelation<CDCTrack, const CDCSegment2D>> m_relations;
    };
  }
}