Static Public Member Functions |
static Standard_Real | FirstParameter (const Standard_Address C) |
static Standard_Real | LastParameter (const Standard_Address C) |
static GeomAbs_Shape | Continuity (const Standard_Address C) |
static Standard_Integer | NbIntervals (const Standard_Address C) |
| Returns the number of intervals for continuity
<S>. May be one if Continuity(myclass) >= <S>
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static void | Intervals (const Standard_Address C, TColStd_Array1OfReal &T) |
| 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()
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static void | GetInterval (const Standard_Address C, const Standard_Integer Index, const TColStd_Array1OfReal &Tab, Standard_Real &U1, Standard_Real &U2) |
| output the bounds of interval of index <Index>
used if Type == Composite.
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static Standard_Boolean | IsClosed (const Standard_Address C) |
static Standard_Boolean | IsPeriodic (const Standard_Address C) |
static Standard_Real | Period (const Standard_Address C) |
static gp_Pnt2d | Value (const Standard_Address C, const Standard_Real U) |
| Computes the point of parameter U on the curve.
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static void | D0 (const Standard_Address C, const Standard_Real U, gp_Pnt2d &P) |
| Computes the point of parameter U on the curve.
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static void | D1 (const Standard_Address 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.
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static void | D2 (const Standard_Address 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.
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static void | D3 (const Standard_Address 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.
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static gp_Vec2d | DN (const Standard_Address 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.
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static Standard_Real | Resolution (const Standard_Address C, const Standard_Real R3d) |
| Returns the parametric resolution corresponding
to the real space resolution <R3d>.
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static GeomAbs_CurveType | GetType (const Standard_Address C) |
| Returns the type of the curve in the current
interval : Line, Circle, Ellipse, Hyperbola,
Parabola, BezierCurve, BSplineCurve, OtherCurve.
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static GeomAbs_CurveType | TheType (const Standard_Address C) |
| Returns the type of the curve in the current
interval : Line, Circle, Ellipse, Hyperbola,
Parabola, BezierCurve, BSplineCurve, OtherCurve.
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static gp_Lin2d | Line (const Standard_Address C) |
static gp_Circ2d | Circle (const Standard_Address C) |
static gp_Elips2d | Ellipse (const Standard_Address C) |
static gp_Hypr2d | Hyperbola (const Standard_Address C) |
static gp_Parab2d | Parabola (const Standard_Address C) |
static Handle_Geom2d_BezierCurve | Bezier (const Standard_Address C) |
static Handle_Geom2d_BSplineCurve | BSpline (const Standard_Address C) |
static Standard_Real | EpsX (const Standard_Address C) |
static Standard_Integer | NbSamples (const Standard_Address C, const Standard_Real U0, const Standard_Real U1) |
static Standard_Integer | NbSamples (const Standard_Address C) |