CBAlgoPolyShortestDist.h

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#ifndef RECOTOOL_CBALGOPOLYSHORTESTDIST_H
#define RECOTOOL_CBALGOPOLYSHORTESTDIST_H

#include <vector>

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

namespace cmtool {
  class CBAlgoPolyShortestDist : public CBoolAlgoBase {

  public:
    CBAlgoPolyShortestDist();

    virtual ~CBAlgoPolyShortestDist(){};

    virtual void EventBegin(const std::vector<cluster::ClusterParamsAlg>& clusters);

    //virtual void EventEnd();

    //virtual void IterationBegin(const std::vector<cluster::ClusterParamsAlg> &clusters);

    //virtual void IterationEnd();

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

    virtual void Report();

    virtual void Reset();

    //both clusters must have > this # of hits to be considered for merging
    void SetMinNumHits(size_t nhits) { _min_hits = nhits; }

    void SetMaxNumHits(int nhits) { _max_hits = nhits; }

    void SetMinDistSquared(double dist) { _dist_sqrd_cut = dist; }

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

  private:
    size_t _min_hits, _max_hits;

    double _dist_sqrd_cut;

    bool _debug;

    double tmp_min_dist;
  };
}
#endif
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