CBAlgoShortestDist.h

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#ifndef RECOTOOL_CBALGOSHORTESTDIST_H
#define RECOTOOL_CBALGOSHORTESTDIST_H

#include <iostream>
#include "larreco/RecoAlg/CMTool/CMToolBase/CBoolAlgoBase.h"
//#include "Utilities/GeometryUtilities.h"
#include "lardata/Utilities/GeometryUtilities.h"

namespace cmtool {
  class CBAlgoShortestDist : public CBoolAlgoBase{
    
  public:
    
    CBAlgoShortestDist();
    
    virtual ~CBAlgoShortestDist(){};
    
    virtual bool Bool(const ::cluster::ClusterParamsAlg &cluster1,
                      const ::cluster::ClusterParamsAlg &cluster2);
    
    
    void SetSquaredDistanceCut(double d) { _max_2D_dist2 = d; }

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

    void SetMinHits(size_t n) { _minHits = n; }
   
    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 _minHits;        
  
    double _wire_2_cm, _time_2_cm; 

    double _min_distance_unit; 

    double _max_2D_dist2;      

  };
  

} //end namespace cmtool

#endif
 // end of doxygen group