text: #ifndef CPlane_H
  #define CPlane_H
  
  #include "geometry.h"
  
  namespace Geometry
  {
  	class CPlane
  	{
  	public:
  		CPlane(void);
          CPlane(const Point3D& m0, const Vector3D& n);
  
          bool Contains(const Point3D& point) const;
          Point3D _m0;
          Vector3D _n;
  	};
  };
  #endif
  
  