Open CASCADE Technology 6.6.0
Static Public Member Functions
Extrema_Curve2dTool Class Reference

#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.

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 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:
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