CBAlgoCenterOfMassSmall.h

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#ifndef RECOTOOL_CBALGOCENTEROFMASSSMALL_H
#define RECOTOOL_CBALGOCENTEROFMASSSMALL_H

#include "larreco/RecoAlg/CMTool/CMToolBase/CBoolAlgoBase.h"
#include "larreco/RecoAlg/ClusterRecoUtil/ClusterParamsAlg.h"

namespace cmtool {
  class CBAlgoCenterOfMassSmall : public CBoolAlgoBase {

  public:
    CBAlgoCenterOfMassSmall();

    virtual ~CBAlgoCenterOfMassSmall(){};

    virtual bool Bool(const ::cluster::ClusterParamsAlg& cluster1,
                      const ::cluster::ClusterParamsAlg& cluster2);

    virtual void Reset() {}

    virtual void Report();

    void SetDebug(bool on) { _debug = on; }

    void SetMaxHitsSmallClus(size_t n) { _maxHits = n; }

    void SetMaxDistance(double d) { _MaxDist = d; }

    void SetMaxCOMDistance(double d) { _MaxCOMDistSquared = d; }

    void UseCOMInPoly(bool on) { _COMinPolyAlg = on; }

    void UseCOMClose(bool on) { _COMsClose = on; }

    void UseCOMNearClus(bool on) { _COMNearClus = on; }

    void SetLengthReach(double frac) { _lengthReach = frac; }

    double ShortestDistanceSquared(double point_x,
                                   double point_y,
                                   double start_x,
                                   double start_y,
                                   double end_x,
                                   double end_y) const;

  protected:
    bool _debug;
    size_t _maxHits;
    double _MaxDist;           //Max distance between COM and start-end line of cluster
    double _MaxCOMDistSquared; //Max distance^2 between COMs in cm^2
    double
      _lengthReach; 
    bool _COMinPolyAlg;
    bool _COMsClose;
    bool _COMNearClus;
  };
}

#endif
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