ParallelHitsSeedFinderAlg.h

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#ifndef ParallelHitsSeedFinderAlg_h
#define ParallelHitsSeedFinderAlg_h

// Framework Includes
namespace fhicl {
  class ParameterSet;
}

// LArSoft includes
#include "larreco/RecoAlg/Cluster3DAlgs/Cluster3D.h"
#include "larreco/RecoAlg/Cluster3DAlgs/PrincipalComponentsAlg.h"
#include "larreco/RecoAlg/Cluster3DAlgs/SeedFinderAlgBase.h"

//------------------------------------------------------------------------------------------------------------------------------------------

namespace lar_cluster3d {

  class ParallelHitsSeedFinderAlg final : public SeedFinderAlgBase {
  public:
    explicit ParallelHitsSeedFinderAlg(fhicl::ParameterSet const& pset);

    bool findTrackSeeds(reco::HitPairListPtr& hitPairListPtr,
                        reco::PrincipalComponents& inputPCA,
                        SeedHitPairListPairVec& seedHitMap) const override;

  private:
    size_t m_maxNumEdgeHits; 
    double m_gapDistance;    
    size_t m_numSeed2DHits;  

    PrincipalComponentsAlg m_pcaAlg; // For running Principal Components Analysis
  };

} // namespace lar_cluster3d
#endif