// 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_Line_HeaderFile #define _Geom_Line_HeaderFile #ifndef _Standard_HeaderFile #include #endif #ifndef _Standard_DefineHandle_HeaderFile #include #endif #ifndef _Handle_Geom_Line_HeaderFile #include #endif #ifndef _gp_Ax1_HeaderFile #include #endif #ifndef _Geom_Curve_HeaderFile #include #endif #ifndef _Standard_Real_HeaderFile #include #endif #ifndef _Standard_Boolean_HeaderFile #include #endif #ifndef _GeomAbs_Shape_HeaderFile #include #endif #ifndef _Standard_Integer_HeaderFile #include #endif #ifndef _Handle_Geom_Geometry_HeaderFile #include #endif class Standard_RangeError; class gp_Ax1; class gp_Lin; class gp_Pnt; class gp_Dir; class gp_Vec; class gp_Trsf; class Geom_Geometry; //! Describes an infinite line.
//! A line is defined and positioned in space with an axis
//! (gp_Ax1 object) which gives it an origin and a unit vector.
//! The Geom_Line line is parameterized:
//! P (U) = O + U*Dir, where:
//! - P is the point of parameter U,
//! - O is the origin and Dir the unit vector of its positioning axis.
//! The parameter range is ] -infinite, +infinite [.
//! The orientation of the line is given by the unit vector
//! of its positioning axis.
class Geom_Line : public Geom_Curve { public: //! Creates a line located in 3D space with the axis placement A1.
//! The Location of A1 is the origin of the line.
Standard_EXPORT Geom_Line(const gp_Ax1& A1); //! Creates a line from a non transient line from package gp.
Standard_EXPORT Geom_Line(const gp_Lin& L); //! Constructs a line passing through point P and parallel to vector V
//! (P and V are, respectively, the origin and the unit
//! vector of the positioning axis of the line).
Standard_EXPORT Geom_Line(const gp_Pnt& P,const gp_Dir& V); //! Set so that has the same geometric properties as L.
Standard_EXPORT void SetLin(const gp_Lin& L) ; //! changes the direction of the line.
Standard_EXPORT void SetDirection(const gp_Dir& V) ; //! changes the "Location" point (origin) of the line.
Standard_EXPORT void SetLocation(const gp_Pnt& P) ; //! changes the "Location" and a the "Direction" of .
Standard_EXPORT void SetPosition(const gp_Ax1& A1) ; //! Returns non transient line from gp with the same geometric
//! properties as
Standard_EXPORT gp_Lin Lin() const; //! Returns the positioning axis of this line; this is also its local coordinate system.
Standard_EXPORT const gp_Ax1& Position() const; //! Changes the orientation of this line. As a result, the
//! unit vector of the positioning axis of this line is reversed.
Standard_EXPORT void Reverse() ; //! Computes the parameter on the reversed line for the
//! point of parameter U on this line.
//! For a line, the returned value is -U.
Standard_EXPORT Standard_Real ReversedParameter(const Standard_Real U) const; //! Returns the value of the first parameter of this
//! line. This is Standard_Real::RealFirst().
Standard_EXPORT Standard_Real FirstParameter() const; //! Returns the value of the last parameter of this
//! line. This is Standard_Real::RealLast().
Standard_EXPORT Standard_Real LastParameter() const; //! returns False
Standard_EXPORT Standard_Boolean IsClosed() const; //! returns False
Standard_EXPORT Standard_Boolean IsPeriodic() const; //! Returns GeomAbs_CN, which is the global continuity of any line.
Standard_EXPORT GeomAbs_Shape Continuity() const; //! returns True.
//! Raised if N < 0.
Standard_EXPORT Standard_Boolean IsCN(const Standard_Integer N) const; //! Returns in P the point of parameter U.
//! P (U) = O + U * Dir where O is the "Location" point of the
//! line and Dir the direction of the line.
Standard_EXPORT void D0(const Standard_Real U,gp_Pnt& P) const; //! Returns the point P of parameter u and the first derivative V1.
Standard_EXPORT void D1(const Standard_Real U,gp_Pnt& P,gp_Vec& V1) const; //! Returns the point P of parameter U, the first and second
//! derivatives V1 and V2. V2 is a vector with null magnitude
//! for a line.
Standard_EXPORT void D2(const Standard_Real U,gp_Pnt& P,gp_Vec& V1,gp_Vec& V2) const; //! V2 and V3 are vectors with null magnitude for a line.
Standard_EXPORT void D3(const Standard_Real U,gp_Pnt& P,gp_Vec& V1,gp_Vec& V2,gp_Vec& V3) const; //! The returned vector gives the value of the derivative for the
//! order of derivation N.
//! Raised if N < 1.
Standard_EXPORT gp_Vec DN(const Standard_Real U,const Standard_Integer N) const; //! Applies the transformation T to this line.
Standard_EXPORT void Transform(const gp_Trsf& T) ; //! Returns the parameter on the transformed curve for
//! the transform of the point of parameter U on .
//!
//! me->Transformed(T)->Value(me->TransformedParameter(U,T))
//!
//! is the same point as
//!
//! me->Value(U).Transformed(T)
//!
//! This methods returns * T.ScaleFactor()
Standard_EXPORT virtual Standard_Real TransformedParameter(const Standard_Real U,const gp_Trsf& T) const; //! Returns a coefficient to compute the parameter on
//! the transformed curve for the transform of the
//! point on .
//!
//! Transformed(T)->Value(U * ParametricTransformation(T))
//!
//! is the same point as
//!
//! Value(U).Transformed(T)
//!
//! This methods returns T.ScaleFactor()
Standard_EXPORT virtual Standard_Real ParametricTransformation(const gp_Trsf& T) const; //! Creates a new object which is a copy of this line.
Standard_EXPORT Handle_Geom_Geometry Copy() const; DEFINE_STANDARD_RTTI(Geom_Line) protected: private: gp_Ax1 pos; }; // other Inline functions and methods (like "C++: function call" methods) #endif