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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 _Geom2d_Line_HeaderFile
#define _Geom2d_Line_HeaderFile
#ifndef _Standard_HeaderFile
#include <Standard.hxx>
#endif
#ifndef _Standard_DefineHandle_HeaderFile
#include <Standard_DefineHandle.hxx>
#endif
#ifndef _Handle_Geom2d_Line_HeaderFile
#include <Handle_Geom2d_Line.hxx>
#endif
#ifndef _gp_Ax2d_HeaderFile
#include <gp_Ax2d.hxx>
#endif
#ifndef _Geom2d_Curve_HeaderFile
#include <Geom2d_Curve.hxx>
#endif
#ifndef _Standard_Real_HeaderFile
#include <Standard_Real.hxx>
#endif
#ifndef _Standard_Boolean_HeaderFile
#include <Standard_Boolean.hxx>
#endif
#ifndef _GeomAbs_Shape_HeaderFile
#include <GeomAbs_Shape.hxx>
#endif
#ifndef _Standard_Integer_HeaderFile
#include <Standard_Integer.hxx>
#endif
#ifndef _Handle_Geom2d_Geometry_HeaderFile
#include <Handle_Geom2d_Geometry.hxx>
#endif
class Standard_RangeError;
class gp_Ax2d;
class gp_Lin2d;
class gp_Pnt2d;
class gp_Dir2d;
class gp_Vec2d;
class gp_Trsf2d;
class Geom2d_Geometry;
//! Describes an infinite line in the plane (2D space). <br>
//! A line is defined and positioned in the plane with an <br>
//! axis (gp_Ax2d object) which gives it an origin and a unit vector. <br>
//! The Geom2d_Line line is parameterized as follows: <br>
//! P (U) = O + U*Dir <br>
//! where: <br>
//! - P is the point of parameter U, <br>
//! - O is the origin and Dir the unit vector of its positioning axis. <br>
//! The parameter range is ] -infinite, +infinite [. <br>
//! The orientation of the line is given by the unit vector <br>
//! of its positioning axis. <br>
//! See Also <br>
//! GCE2d_MakeLine which provides functions for more <br>
//! complex line constructions <br>
//! gp_Ax2d <br>
//! gp_Lin2d for an equivalent, non-parameterized data structure. <br>
class Geom2d_Line : public Geom2d_Curve {
public:
//! Creates a line located in 2D space with the axis placement A. <br>
//! The Location of A is the origin of the line. <br>
Standard_EXPORT Geom2d_Line(const gp_Ax2d& A);
//! Creates a line by conversion of the gp_Lin2d line L. <br>
Standard_EXPORT Geom2d_Line(const gp_Lin2d& L);
//! Constructs a line passing through point P and parallel to <br>
//! vector V (P and V are, respectively, the origin <br>
//! and the unit vector of the positioning axis of the line). <br>
Standard_EXPORT Geom2d_Line(const gp_Pnt2d& P,const gp_Dir2d& V);
//! Set <me> so that <me> has the same geometric properties as L. <br>
Standard_EXPORT void SetLin2d(const gp_Lin2d& L) ;
//! changes the direction of the line. <br>
Standard_EXPORT void SetDirection(const gp_Dir2d& V) ;
//! changes the direction of the line. <br>
Standard_EXPORT const gp_Dir2d& Direction() const;
//! Changes the "Location" point (origin) of the line. <br>
Standard_EXPORT void SetLocation(const gp_Pnt2d& P) ;
//! Changes the "Location" point (origin) of the line. <br>
Standard_EXPORT const gp_Pnt2d& Location() const;
//! Changes the "Location" and a the "Direction" of <me>. <br>
Standard_EXPORT void SetPosition(const gp_Ax2d& A) ;
Standard_EXPORT const gp_Ax2d& Position() const;
//! Returns non persistent line from gp with the same geometric <br>
//! properties as <me> <br>
Standard_EXPORT gp_Lin2d Lin2d() const;
//! Changes the orientation of this line. As a result, the <br>
//! unit vector of the positioning axis of this line is reversed. <br>
Standard_EXPORT void Reverse() ;
//! Computes the parameter on the reversed line for the <br>
//! point of parameter U on this line. <br>
//! For a line, the returned value is -U. <br>
Standard_EXPORT Standard_Real ReversedParameter(const Standard_Real U) const;
//! Returns RealFirst from Standard. <br>
Standard_EXPORT Standard_Real FirstParameter() const;
//! Returns RealLast from Standard <br>
Standard_EXPORT Standard_Real LastParameter() const;
//! Returns False <br>
Standard_EXPORT Standard_Boolean IsClosed() const;
//! Returns False <br>
Standard_EXPORT Standard_Boolean IsPeriodic() const;
//! Returns GeomAbs_CN, which is the global continuity of any line. <br>
Standard_EXPORT GeomAbs_Shape Continuity() const;
//! Computes the distance between <me> and the point P. <br>
Standard_EXPORT Standard_Real Distance(const gp_Pnt2d& P) const;
//! Returns True. <br>
Standard_EXPORT Standard_Boolean IsCN(const Standard_Integer N) const;
//! Returns in P the point of parameter U. <br>
//! P (U) = O + U * Dir where O is the "Location" point of the <br>
//! line and Dir the direction of the line. <br>
Standard_EXPORT void D0(const Standard_Real U,gp_Pnt2d& P) const;
//! Returns the point P of parameter u and the first derivative V1. <br>
Standard_EXPORT void D1(const Standard_Real U,gp_Pnt2d& P,gp_Vec2d& V1) const;
//! Returns the point P of parameter U, the first and second <br>
//! derivatives V1 and V2. V2 is a vector with null magnitude <br>
//! for a line. <br>
Standard_EXPORT void D2(const Standard_Real U,gp_Pnt2d& P,gp_Vec2d& V1,gp_Vec2d& V2) const;
//! V2 and V3 are vectors with null magnitude for a line. <br>
Standard_EXPORT void D3(const Standard_Real U,gp_Pnt2d& P,gp_Vec2d& V1,gp_Vec2d& V2,gp_Vec2d& V3) const;
//! For the point of parameter U of this line, computes <br>
//! the vector corresponding to the Nth derivative. <br>
//! Note: if N is greater than or equal to 2, the result is a <br>
//! vector with null magnitude. <br>
//! Exceptions Standard_RangeError if N is less than 1. <br>
Standard_EXPORT gp_Vec2d DN(const Standard_Real U,const Standard_Integer N) const;
//! Applies the transformation T to this line. <br>
Standard_EXPORT void Transform(const gp_Trsf2d& T) ;
//! Computes the parameter on the line transformed by <br>
//! T for the point of parameter U on this line. <br>
//! For a line, the returned value is equal to U multiplied <br>
//! by the scale factor of transformation T. <br>
Standard_EXPORT virtual Standard_Real TransformedParameter(const Standard_Real U,const gp_Trsf2d& T) const;
//! Returns the coefficient required to compute the <br>
//! parametric transformation of this line when <br>
//! transformation T is applied. This coefficient is the <br>
//! ratio between the parameter of a point on this line <br>
//! and the parameter of the transformed point on the <br>
//! new line transformed by T. <br>
//! For a line, the returned value is the scale factor of the transformation T. <br>
Standard_EXPORT virtual Standard_Real ParametricTransformation(const gp_Trsf2d& T) const;
//! Creates a new object, which is a copy of this line. <br>
Standard_EXPORT Handle_Geom2d_Geometry Copy() const;
DEFINE_STANDARD_RTTI(Geom2d_Line)
protected:
private:
gp_Ax2d pos;
};
// other Inline functions and methods (like "C++: function call" methods)
#endif
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