GeoLineSegment.h

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#ifndef BASICTOOL_GEOLINESEGMENT_H
#define BASICTOOL_GEOLINESEGMENT_H

#include "larcorealg/GeoAlgo/GeoVector.h"

namespace geoalgo {
  class LineSegment {

  public:
    LineSegment();

    virtual ~LineSegment() {}

    LineSegment(const double start_x,
                const double start_y,
                const double start_z,
                const double end_x,
                const double end_y,
                const double end_z);

    LineSegment(const Point_t& start, const Point_t& end);

    //
    // Getters
    //
    const Point_t& Start() const; 
    const Point_t& End() const;   
    const Vector_t Dir() const;   

    //
    // Setters
    //
    void Start(const double x, const double y, const double z); 
    void End(const double x, const double y, const double z);   

  protected:
    void DirReset(); 
    Point_t _start;  
    Point_t _end;    
    Vector_t _dir;   

  public:
    //
    // Template
    //
    template <class T, class U>
    LineSegment(const T& start, const U& end) : LineSegment(Point_t(start), Point_t(end))
    {}
  };

  typedef LineSegment LineSegment_t;
}

#endif
 // end of doxygen group