Open CASCADE Technology  6.9.0
Static Public Member Functions
Contap_HCurve2dTool Class Reference

#include <Contap_HCurve2dTool.hxx>

Static Public Member Functions

static Standard_Real FirstParameter (const Handle< Adaptor2d_HCurve2d > &C)
 
static Standard_Real LastParameter (const Handle< Adaptor2d_HCurve2d > &C)
 
static GeomAbs_Shape Continuity (const Handle< Adaptor2d_HCurve2d > &C)
 
static Standard_Integer NbIntervals (const Handle< Adaptor2d_HCurve2d > &C, const GeomAbs_Shape S)
 Returns the number of intervals for continuity <S>. May be one if Continuity(myclass) >= <S> More...
 
static void Intervals (const Handle< Adaptor2d_HCurve2d > &C, TColStd_Array1OfReal &T, const GeomAbs_Shape S)
 Stores in <T> the parameters bounding the intervals of continuity <S>. More...
 
static Standard_Boolean IsClosed (const Handle< Adaptor2d_HCurve2d > &C)
 
static Standard_Boolean IsPeriodic (const Handle< Adaptor2d_HCurve2d > &C)
 
static Standard_Real Period (const Handle< Adaptor2d_HCurve2d > &C)
 
static gp_Pnt2d Value (const Handle< Adaptor2d_HCurve2d > &C, const Standard_Real U)
 Computes the point of parameter U on the curve. More...
 
static void D0 (const Handle< Adaptor2d_HCurve2d > &C, const Standard_Real U, gp_Pnt2d &P)
 Computes the point of parameter U on the curve. More...
 
static void D1 (const Handle< Adaptor2d_HCurve2d > &C, const Standard_Real U, gp_Pnt2d &P, gp_Vec2d &V)
 Computes the point of parameter U on the curve with its first derivative. Raised if the continuity of the current interval is not C1. More...
 
static void D2 (const Handle< Adaptor2d_HCurve2d > &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. Raised if the continuity of the current interval is not C2. More...
 
static void D3 (const Handle< Adaptor2d_HCurve2d > &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. Raised if the continuity of the current interval is not C3. More...
 
static gp_Vec2d DN (const Handle< Adaptor2d_HCurve2d > &C, const Standard_Real U, const Standard_Integer N)
 The returned vector gives the value of the derivative for the order of derivation N. Raised if the continuity of the current interval is not CN. Raised if N < 1. More...
 
static Standard_Real Resolution (const Handle< Adaptor2d_HCurve2d > &C, const Standard_Real R3d)
 Returns the parametric resolution corresponding to the real space resolution <R3d>. More...
 
static GeomAbs_CurveType GetType (const Handle< Adaptor2d_HCurve2d > &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 Handle< Adaptor2d_HCurve2d > &C)
 
static gp_Circ2d Circle (const Handle< Adaptor2d_HCurve2d > &C)
 
static gp_Elips2d Ellipse (const Handle< Adaptor2d_HCurve2d > &C)
 
static gp_Hypr2d Hyperbola (const Handle< Adaptor2d_HCurve2d > &C)
 
static gp_Parab2d Parabola (const Handle< Adaptor2d_HCurve2d > &C)
 
static Handle< Geom2d_BezierCurveBezier (const Handle< Adaptor2d_HCurve2d > &C)
 
static Handle
< Geom2d_BSplineCurve
BSpline (const Handle< Adaptor2d_HCurve2d > &C)
 
static Standard_Integer NbSamples (const Handle< Adaptor2d_HCurve2d > &C, const Standard_Real U0, const Standard_Real U1)
 

Member Function Documentation

static Handle< Geom2d_BezierCurve > Contap_HCurve2dTool::Bezier ( const Handle< Adaptor2d_HCurve2d > &  C)
static
static Handle< Geom2d_BSplineCurve > Contap_HCurve2dTool::BSpline ( const Handle< Adaptor2d_HCurve2d > &  C)
static
static gp_Circ2d Contap_HCurve2dTool::Circle ( const Handle< Adaptor2d_HCurve2d > &  C)
static
static GeomAbs_Shape Contap_HCurve2dTool::Continuity ( const Handle< Adaptor2d_HCurve2d > &  C)
static
static void Contap_HCurve2dTool::D0 ( const Handle< Adaptor2d_HCurve2d > &  C,
const Standard_Real  U,
gp_Pnt2d P 
)
static

Computes the point of parameter U on the curve.

static void Contap_HCurve2dTool::D1 ( const Handle< Adaptor2d_HCurve2d > &  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. Raised if the continuity of the current interval is not C1.

static void Contap_HCurve2dTool::D2 ( const Handle< Adaptor2d_HCurve2d > &  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. Raised if the continuity of the current interval is not C2.

static void Contap_HCurve2dTool::D3 ( const Handle< Adaptor2d_HCurve2d > &  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. Raised if the continuity of the current interval is not C3.

static gp_Vec2d Contap_HCurve2dTool::DN ( const Handle< Adaptor2d_HCurve2d > &  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. Raised if the continuity of the current interval is not CN. Raised if N < 1.

static gp_Elips2d Contap_HCurve2dTool::Ellipse ( const Handle< Adaptor2d_HCurve2d > &  C)
static
static Standard_Real Contap_HCurve2dTool::FirstParameter ( const Handle< Adaptor2d_HCurve2d > &  C)
static
static GeomAbs_CurveType Contap_HCurve2dTool::GetType ( const Handle< Adaptor2d_HCurve2d > &  C)
static

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

static gp_Hypr2d Contap_HCurve2dTool::Hyperbola ( const Handle< Adaptor2d_HCurve2d > &  C)
static
static void Contap_HCurve2dTool::Intervals ( const Handle< Adaptor2d_HCurve2d > &  C,
TColStd_Array1OfReal T,
const GeomAbs_Shape  S 
)
static

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

The array must provide enough room to accomodate for the parameters. i.e. T.Length() > NbIntervals()

static Standard_Boolean Contap_HCurve2dTool::IsClosed ( const Handle< Adaptor2d_HCurve2d > &  C)
static
static Standard_Boolean Contap_HCurve2dTool::IsPeriodic ( const Handle< Adaptor2d_HCurve2d > &  C)
static
static Standard_Real Contap_HCurve2dTool::LastParameter ( const Handle< Adaptor2d_HCurve2d > &  C)
static
static gp_Lin2d Contap_HCurve2dTool::Line ( const Handle< Adaptor2d_HCurve2d > &  C)
static
static Standard_Integer Contap_HCurve2dTool::NbIntervals ( const Handle< Adaptor2d_HCurve2d > &  C,
const GeomAbs_Shape  S 
)
static

Returns the number of intervals for continuity <S>. May be one if Continuity(myclass) >= <S>

static Standard_Integer Contap_HCurve2dTool::NbSamples ( const Handle< Adaptor2d_HCurve2d > &  C,
const Standard_Real  U0,
const Standard_Real  U1 
)
static
static gp_Parab2d Contap_HCurve2dTool::Parabola ( const Handle< Adaptor2d_HCurve2d > &  C)
static
static Standard_Real Contap_HCurve2dTool::Period ( const Handle< Adaptor2d_HCurve2d > &  C)
static
static Standard_Real Contap_HCurve2dTool::Resolution ( const Handle< Adaptor2d_HCurve2d > &  C,
const Standard_Real  R3d 
)
static

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

static gp_Pnt2d Contap_HCurve2dTool::Value ( const Handle< Adaptor2d_HCurve2d > &  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: