Extrema_Curve2dTool Class Reference

#include <Extrema_Curve2dTool.hxx>

Static Public Member Functions
static DEFINE_STANDARD_ALLOC 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.
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>.
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.
static void	D0 (const Adaptor2d_Curve2d &C, const Standard_Real U, gp_Pnt2d &P)
	Computes the point of parameter U on the curve.
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.
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.
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.
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.
static Standard_Real	Resolution (const Adaptor2d_Curve2d &C, const Standard_Real R3d)
	Returns the parametric resolution corresponding to the real space resolution <R3d>.
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.
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

static Handle_Geom2d_BezierCurve Extrema_Curve2dTool::Bezier

(

const Adaptor2d_Curve2d &

C

)

[static]

static Handle_Geom2d_BSplineCurve Extrema_Curve2dTool::BSpline

(

const Adaptor2d_Curve2d &

C

)

[static]

static gp_Circ2d Extrema_Curve2dTool::Circle

(

const Adaptor2d_Curve2d &

C

)

[static]

static GeomAbs_Shape Extrema_Curve2dTool::Continuity

(

const Adaptor2d_Curve2d &

C

)

[static]

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

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

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

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]

static Standard_Integer Extrema_Curve2dTool::Degree

(

const Adaptor2d_Curve2d &

C

)

[static]

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

static gp_Elips2d Extrema_Curve2dTool::Ellipse

(

const Adaptor2d_Curve2d &

C

)

[static]

static DEFINE_STANDARD_ALLOC Standard_Real Extrema_Curve2dTool::FirstParameter

(

const Adaptor2d_Curve2d &

C

)

[static]

static GeomAbs_CurveType Extrema_Curve2dTool::GetType

(

const Adaptor2d_Curve2d &

C

)

[static]

static gp_Hypr2d Extrema_Curve2dTool::Hyperbola

(

const Adaptor2d_Curve2d &

C

)

[static]

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

static Standard_Boolean Extrema_Curve2dTool::IsClosed

(

const Adaptor2d_Curve2d &

C

)

[static]

static Standard_Boolean Extrema_Curve2dTool::IsPeriodic

(

const Adaptor2d_Curve2d &

C

)

[static]

static Standard_Boolean Extrema_Curve2dTool::IsRational

(

const Adaptor2d_Curve2d &

C

)

[static]

static Standard_Real Extrema_Curve2dTool::LastParameter

(

const Adaptor2d_Curve2d &

C

)

[static]

static gp_Lin2d Extrema_Curve2dTool::Line

(

const Adaptor2d_Curve2d &

C

)

[static]

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

static Standard_Integer Extrema_Curve2dTool::NbKnots

(

const Adaptor2d_Curve2d &

C

)

[static]

static Standard_Integer Extrema_Curve2dTool::NbPoles

(

const Adaptor2d_Curve2d &

C

)

[static]

static gp_Parab2d Extrema_Curve2dTool::Parabola

(

const Adaptor2d_Curve2d &

C

)

[static]

static Standard_Real Extrema_Curve2dTool::Period

(

const Adaptor2d_Curve2d &

C

)

[static]

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

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

---

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

• Extrema_Curve2dTool.hxx