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// This file is generated by WOK (CPPExt).
// Please do not edit this file; modify original file instead.
// The copyright and license terms as defined for the original file apply to 
// this header file considered to be the "object code" form of the original source.

#ifndef _Geom_Direction_HeaderFile
#define _Geom_Direction_HeaderFile

#ifndef _Standard_HeaderFile
#include <Standard.hxx>
#endif
#ifndef _Standard_DefineHandle_HeaderFile
#include <Standard_DefineHandle.hxx>
#endif
#ifndef _Handle_Geom_Direction_HeaderFile
#include <Handle_Geom_Direction.hxx>
#endif

#ifndef _Geom_Vector_HeaderFile
#include <Geom_Vector.hxx>
#endif
#ifndef _Standard_Real_HeaderFile
#include <Standard_Real.hxx>
#endif
#ifndef _Handle_Geom_Vector_HeaderFile
#include <Handle_Geom_Vector.hxx>
#endif
#ifndef _Handle_Geom_Geometry_HeaderFile
#include <Handle_Geom_Geometry.hxx>
#endif
class Standard_ConstructionError;
class gp_Dir;
class Geom_Vector;
class gp_Trsf;
class Geom_Geometry;



//!  The class Direction specifies a vector that is never null. <br>
//!  It is a unit vector. <br>
class Geom_Direction : public Geom_Vector {

public:

  //! Creates a unit vector with it 3 cartesian coordinates. <br>
//!  Raised if Sqrt( X*X + Y*Y + Z*Z) <= Resolution from gp. <br>
  Standard_EXPORT   Geom_Direction(const Standard_Real X,const Standard_Real Y,const Standard_Real Z);
  //! Creates a transient copy of <me>. <br>
  Standard_EXPORT   Geom_Direction(const gp_Dir& V);
  //! Sets <me> to X,Y,Z coordinates. <br>
//!  Raised if Sqrt( X*X + Y*Y + Z*Z) <= Resolution from gp. <br>
  Standard_EXPORT     void SetCoord(const Standard_Real X,const Standard_Real Y,const Standard_Real Z) ;
  //! Converts the gp_Dir unit vector V into this unit vector. <br>
  Standard_EXPORT     void SetDir(const gp_Dir& V) ;
  //! Changes the X coordinate of <me>. <br>
//!  Raised if Sqrt( X*X + Y*Y + Z*Z) <= Resolution from gp. <br>
  Standard_EXPORT     void SetX(const Standard_Real X) ;
  //! Changes the Y coordinate of <me>. <br>
//!  Raised if Sqrt( X*X + Y*Y + Z*Z) <= Resolution from gp. <br>
  Standard_EXPORT     void SetY(const Standard_Real Y) ;
  //! Changes the Z coordinate of <me>. <br>
//!  Raised if Sqrt( X*X + Y*Y + Z*Z) <= Resolution from gp. <br>
  Standard_EXPORT     void SetZ(const Standard_Real Z) ;
  
//!  Returns the non transient direction with the same <br>
//!  coordinates as <me>. <br>
  Standard_EXPORT     gp_Dir Dir() const;
  //! returns 1.0 which is the magnitude of any unit vector. <br>
  Standard_EXPORT     Standard_Real Magnitude() const;
  //! returns 1.0 which is the square magnitude of any unit vector. <br>
  Standard_EXPORT     Standard_Real SquareMagnitude() const;
  
//!  Computes the cross product between <me> and <Other>. <br>
//!  Raised if the two vectors are parallel because it is <br>
//!  not possible to have a direction with null length. <br>
  Standard_EXPORT     void Cross(const Handle(Geom_Vector)& Other) ;
  
//!  Computes the triple vector product  <me> ^(V1 ^ V2). <br>
//!  Raised if V1 and V2 are parallel or <me> and (V1 ^ V2) are <br>
//!  parallel <br>
  Standard_EXPORT     void CrossCross(const Handle(Geom_Vector)& V1,const Handle(Geom_Vector)& V2) ;
  
//!  Computes the cross product between <me> and <Other>. <br>
//!  A new direction is returned. <br>
//!  Raised if the two vectors are parallel because it is <br>
//!  not possible to have a direction with null length. <br>
  Standard_EXPORT     Handle_Geom_Vector Crossed(const Handle(Geom_Vector)& Other) const;
  
//!  Computes the triple vector product <me> ^(V1 ^ V2). <br>
//!  Raised if V1 and V2 are parallel or <me> and (V1 ^ V2) are <br>
//!  parallel <br>
  Standard_EXPORT     Handle_Geom_Vector CrossCrossed(const Handle(Geom_Vector)& V1,const Handle(Geom_Vector)& V2) const;
  //! Applies the transformation T to this unit vector, then normalizes it. <br>
  Standard_EXPORT     void Transform(const gp_Trsf& T) ;
  //! Creates a new object which is a copy of this unit vector. <br>
  Standard_EXPORT     Handle_Geom_Geometry Copy() const;




  DEFINE_STANDARD_RTTI(Geom_Direction)

protected:




private: 




};





// other Inline functions and methods (like "C++: function call" methods)


#endif