#ifndef _utl_Line_h_
#define _utl_Line_h_

#include <utl/Point.h>
#include <utl/Vector.h>
#include <utl/Plane.h>


namespace utl {

  /*!
    \class Line Line.h utl/Line.h
    \author Darko Veberic
    \version $Id$
    \ingroup geometry
  */

  class Line {
  public:
    Line(const Point& anchor, const Vector& direction);

    const Point& GetAnchor() const { return fAnchor; }
    const Vector& GetDirection() const { return fDirection; }

    Plane GetPerpendicularPlane() const
    { return Plane(fAnchor, fDirection); }
    Plane GetPerpendicularPlane(const Point& anchor) const
    { return Plane(anchor, fDirection); }

    Point Propagate(const double s) const
    { return fAnchor + s*fDirection; }

  private:
    Point fAnchor;
    Vector fDirection;
  };

}

#endif