#include <Extrema_Curve2dTool.hxx>

Static Public Member Functions
static Standard_Real	FirstParameter (const Adaptor2d_Curve2d &C)

static Standard_Real	LastParameter (const Adaptor2d_Curve2d &C)

static GeomAbs_Shape	Continuity (const Adaptor2d_Curve2d &C)

static Standard_Integer	NbIntervals (const Adaptor2d_Curve2d &C, const GeomAbs_Shape S)
	If necessary, breaks the curve in intervals of continuity <S>. And returns the number of intervals. More...

static void	Intervals (const Adaptor2d_Curve2d &C, TColStd_Array1OfReal &T, const GeomAbs_Shape S)
	Stores in <T> the parameters bounding the intervals of continuity <S>. More...

static Handle< TColStd_HArray1OfReal >	DeflCurvIntervals (const Adaptor2d_Curve2d &C)
	Returns the parameters bounding the intervals of subdivision of curve according to Curvature deflection. Value of deflection is defined in method. More...

static Standard_Boolean	IsClosed (const Adaptor2d_Curve2d &C)

static Standard_Boolean	IsPeriodic (const Adaptor2d_Curve2d &C)

static Standard_Real	Period (const Adaptor2d_Curve2d &C)

static gp_Pnt2d	Value (const Adaptor2d_Curve2d &C, const Standard_Real U)
	Computes the point of parameter U on the curve. More...

static void	D0 (const Adaptor2d_Curve2d &C, const Standard_Real U, gp_Pnt2d &P)
	Computes the point of parameter U on the curve. More...

static void	D1 (const Adaptor2d_Curve2d &C, const Standard_Real U, gp_Pnt2d &P, gp_Vec2d &V)
	Computes the point of parameter U on the curve with its first derivative. More...

static void	D2 (const Adaptor2d_Curve2d &C, const Standard_Real U, gp_Pnt2d &P, gp_Vec2d &V1, gp_Vec2d &V2)
	Returns the point P of parameter U, the first and second derivatives V1 and V2. More...

static void	D3 (const Adaptor2d_Curve2d &C, const Standard_Real U, gp_Pnt2d &P, gp_Vec2d &V1, gp_Vec2d &V2, gp_Vec2d &V3)
	Returns the point P of parameter U, the first, the second and the third derivative. More...

static gp_Vec2d	DN (const Adaptor2d_Curve2d &C, const Standard_Real U, const Standard_Integer N)
	The returned vector gives the value of the derivative for the order of derivation N. More...

static Standard_Real	Resolution (const Adaptor2d_Curve2d &C, const Standard_Real R3d)
	Returns the parametric resolution corresponding to the real space resolution <R3d>. More...

static GeomAbs_CurveType	GetType (const Adaptor2d_Curve2d &C)
	Returns the type of the curve in the current interval : Line, Circle, Ellipse, Hyperbola, Parabola, BezierCurve, BSplineCurve, OtherCurve. More...

static gp_Lin2d	Line (const Adaptor2d_Curve2d &C)

static gp_Circ2d	Circle (const Adaptor2d_Curve2d &C)

static gp_Elips2d	Ellipse (const Adaptor2d_Curve2d &C)

static gp_Hypr2d	Hyperbola (const Adaptor2d_Curve2d &C)

static gp_Parab2d	Parabola (const Adaptor2d_Curve2d &C)

static Standard_Integer	Degree (const Adaptor2d_Curve2d &C)

static Standard_Boolean	IsRational (const Adaptor2d_Curve2d &C)

static Standard_Integer	NbPoles (const Adaptor2d_Curve2d &C)

static Standard_Integer	NbKnots (const Adaptor2d_Curve2d &C)

static Handle< Geom2d_BezierCurve >	Bezier (const Adaptor2d_Curve2d &C)

static Handle< Geom2d_BSplineCurve >	BSpline (const Adaptor2d_Curve2d &C)

Member Function Documentation

◆ Bezier()

static Handle< Geom2d_BezierCurve > Extrema_Curve2dTool::Bezier ( const Adaptor2d_Curve2d & C )

static

◆ BSpline()

static Handle< Geom2d_BSplineCurve > Extrema_Curve2dTool::BSpline ( const Adaptor2d_Curve2d & C )

static

◆ Circle()

static gp_Circ2d Extrema_Curve2dTool::Circle ( const Adaptor2d_Curve2d & C )

static

◆ Continuity()

static GeomAbs_Shape Extrema_Curve2dTool::Continuity ( const Adaptor2d_Curve2d & C )

static

◆ D0()

static void Extrema_Curve2dTool::D0	(	const Adaptor2d_Curve2d &	C,
		const Standard_Real	U,
		gp_Pnt2d &	P
	)

static

Computes the point of parameter U on the curve.

◆ D1()

static void Extrema_Curve2dTool::D1	(	const Adaptor2d_Curve2d &	C,
		const Standard_Real	U,
		gp_Pnt2d &	P,
		gp_Vec2d &	V
	)

static

Computes the point of parameter U on the curve with its first derivative.

◆ D2()

static void Extrema_Curve2dTool::D2	(	const Adaptor2d_Curve2d &	C,
		const Standard_Real	U,
		gp_Pnt2d &	P,
		gp_Vec2d &	V1,
		gp_Vec2d &	V2
	)

static

Returns the point P of parameter U, the first and second derivatives V1 and V2.

◆ D3()

static void Extrema_Curve2dTool::D3	(	const Adaptor2d_Curve2d &	C,
		const Standard_Real	U,
		gp_Pnt2d &	P,
		gp_Vec2d &	V1,
		gp_Vec2d &	V2,
		gp_Vec2d &	V3
	)

static

Returns the point P of parameter U, the first, the second and the third derivative.

◆ DeflCurvIntervals()

static Handle< TColStd_HArray1OfReal > Extrema_Curve2dTool::DeflCurvIntervals ( const Adaptor2d_Curve2d & C )

static

Returns the parameters bounding the intervals of subdivision of curve according to Curvature deflection. Value of deflection is defined in method.

◆ Degree()

static Standard_Integer Extrema_Curve2dTool::Degree ( const Adaptor2d_Curve2d & C )

static

◆ DN()

static gp_Vec2d Extrema_Curve2dTool::DN	(	const Adaptor2d_Curve2d &	C,
		const Standard_Real	U,
		const Standard_Integer	N
	)

static

The returned vector gives the value of the derivative for the order of derivation N.

◆ Ellipse()

static gp_Elips2d Extrema_Curve2dTool::Ellipse ( const Adaptor2d_Curve2d & C )

static

◆ FirstParameter()

static Standard_Real Extrema_Curve2dTool::FirstParameter ( const Adaptor2d_Curve2d & C )

static

◆ GetType()

static GeomAbs_CurveType Extrema_Curve2dTool::GetType ( const Adaptor2d_Curve2d & C )

static

Returns the type of the curve in the current interval : Line, Circle, Ellipse, Hyperbola, Parabola, BezierCurve, BSplineCurve, OtherCurve.

◆ Hyperbola()

static gp_Hypr2d Extrema_Curve2dTool::Hyperbola ( const Adaptor2d_Curve2d & C )

static

◆ Intervals()

static void Extrema_Curve2dTool::Intervals	(	const Adaptor2d_Curve2d &	C,
		TColStd_Array1OfReal &	T,
		const GeomAbs_Shape	S
	)

static

Stores in <T> the parameters bounding the intervals of continuity <S>.

◆ IsClosed()

static Standard_Boolean Extrema_Curve2dTool::IsClosed ( const Adaptor2d_Curve2d & C )

static

◆ IsPeriodic()

static Standard_Boolean Extrema_Curve2dTool::IsPeriodic ( const Adaptor2d_Curve2d & C )

static

◆ IsRational()

static Standard_Boolean Extrema_Curve2dTool::IsRational ( const Adaptor2d_Curve2d & C )

static

◆ LastParameter()

static Standard_Real Extrema_Curve2dTool::LastParameter ( const Adaptor2d_Curve2d & C )

static

◆ Line()

static gp_Lin2d Extrema_Curve2dTool::Line ( const Adaptor2d_Curve2d & C )

static

◆ NbIntervals()

static Standard_Integer Extrema_Curve2dTool::NbIntervals	(	const Adaptor2d_Curve2d &	C,
		const GeomAbs_Shape	S
	)

static

If necessary, breaks the curve in intervals of continuity <S>. And returns the number of intervals.

◆ NbKnots()

static Standard_Integer Extrema_Curve2dTool::NbKnots ( const Adaptor2d_Curve2d & C )

static

◆ NbPoles()

static Standard_Integer Extrema_Curve2dTool::NbPoles ( const Adaptor2d_Curve2d & C )

static

◆ Parabola()

static gp_Parab2d Extrema_Curve2dTool::Parabola ( const Adaptor2d_Curve2d & C )

static

◆ Period()

static Standard_Real Extrema_Curve2dTool::Period ( const Adaptor2d_Curve2d & C )

static

◆ Resolution()

static Standard_Real Extrema_Curve2dTool::Resolution	(	const Adaptor2d_Curve2d &	C,
		const Standard_Real	R3d
	)

static

Returns the parametric resolution corresponding to the real space resolution <R3d>.

◆ Value()

static gp_Pnt2d Extrema_Curve2dTool::Value	(	const Adaptor2d_Curve2d &	C,
		const Standard_Real	U
	)

static

Computes the point of parameter U on the curve.

The documentation for this class was generated from the following file:

Extrema_Curve2dTool.hxx

Extrema_Curve2dTool Class Reference

Static Public Member Functions

Member Function Documentation

◆ Bezier()

◆ BSpline()

◆ Circle()

◆ Continuity()

◆ D0()

◆ D1()

◆ D2()

◆ D3()

◆ DeflCurvIntervals()

◆ Degree()

◆ DN()

◆ Ellipse()

◆ FirstParameter()

◆ GetType()

◆ Hyperbola()

◆ Intervals()

◆ IsClosed()

◆ IsPeriodic()

◆ IsRational()

◆ LastParameter()

◆ Line()

◆ NbIntervals()

◆ NbKnots()

◆ NbPoles()

◆ Parabola()

◆ Period()

◆ Resolution()

◆ Value()