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Public Member Functions
Adaptor3d_Curve Class Reference

Root class for 3D curves on which geometric
algorithms work.
An adapted curve is an interface between the
services provided by a curve and those required of
the curve by algorithms which use it.
Two derived concrete classes are provided:
More...

#include <Adaptor3d_Curve.hxx>

Inheritance diagram for Adaptor3d_Curve:
Inheritance graph
[legend]

Public Member Functions

virtual void Delete ()
 
virtual ~Adaptor3d_Curve ()
 
virtual Standard_Real FirstParameter () const
 
virtual Standard_Real LastParameter () const
 
virtual GeomAbs_Shape Continuity () const
 
virtual Standard_Integer NbIntervals (const GeomAbs_Shape S)
 Returns the number of intervals for continuity
<S>. May be one if Continuity(me) >= <S>
More...
 
virtual void Intervals (TColStd_Array1OfReal &T, const GeomAbs_Shape S)
 
 Stores in <T> the  parameters bounding the intervals <br>
     of continuity <S>. <br>


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

 
virtual Handle_Adaptor3d_HCurve Trim (const Standard_Real First, const Standard_Real Last, const Standard_Real Tol) const
 Returns a curve equivalent of <me> between
parameters <First> and <Last>. <Tol> is used to
test for 3d points confusion.
//! If <First> >= <Last>
More...
 
virtual Standard_Boolean IsClosed () const
 
virtual Standard_Boolean IsPeriodic () const
 
virtual Standard_Real Period () const
 
virtual gp_Pnt Value (const Standard_Real U) const
 Computes the point of parameter U on the curve.
More...
 
virtual void D0 (const Standard_Real U, gp_Pnt &P) const
 Computes the point of parameter U on the curve.
More...
 
virtual void D1 (const Standard_Real U, gp_Pnt &P, gp_Vec &V) const
 
Computes the point of parameter U on the curve with its <br>

first derivative.
//! Raised if the continuity of the current interval
is not C1.
More...

 
virtual void D2 (const Standard_Real U, gp_Pnt &P, gp_Vec &V1, gp_Vec &V2) const
 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...
 
virtual void D3 (const Standard_Real U, gp_Pnt &P, gp_Vec &V1, gp_Vec &V2, gp_Vec &V3) const
 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...
 
virtual gp_Vec DN (const Standard_Real U, const Standard_Integer N) const
 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...
 
virtual Standard_Real Resolution (const Standard_Real R3d) const
 Returns the parametric resolution corresponding
to the real space resolution <R3d>.
More...
 
virtual GeomAbs_CurveType GetType () const
 Returns the type of the curve in the current
interval : Line, Circle, Ellipse, Hyperbola,
Parabola, BezierCurve, BSplineCurve, OtherCurve.
More...
 
virtual gp_Lin Line () const
 
virtual gp_Circ Circle () const
 
virtual gp_Elips Ellipse () const
 
virtual gp_Hypr Hyperbola () const
 
virtual gp_Parab Parabola () const
 
virtual Standard_Integer Degree () const
 
virtual Standard_Boolean IsRational () const
 
virtual Standard_Integer NbPoles () const
 
virtual Standard_Integer NbKnots () const
 
virtual Handle_Geom_BezierCurve Bezier () const
 
virtual Handle_Geom_BSplineCurve BSpline () const
 

Detailed Description

Root class for 3D curves on which geometric
algorithms work.
An adapted curve is an interface between the
services provided by a curve and those required of
the curve by algorithms which use it.
Two derived concrete classes are provided:

Constructor & Destructor Documentation

virtual Adaptor3d_Curve::~Adaptor3d_Curve ( )
inlinevirtual

Member Function Documentation

virtual Handle_Geom_BezierCurve Adaptor3d_Curve::Bezier ( ) const
virtual
virtual Handle_Geom_BSplineCurve Adaptor3d_Curve::BSpline ( ) const
virtual
virtual gp_Circ Adaptor3d_Curve::Circle ( ) const
virtual
virtual GeomAbs_Shape Adaptor3d_Curve::Continuity ( ) const
virtual
virtual void Adaptor3d_Curve::D0 ( const Standard_Real  U,
gp_Pnt P 
) const
virtual
virtual void Adaptor3d_Curve::D1 ( const Standard_Real  U,
gp_Pnt P,
gp_Vec V 
) const
virtual

Computes the point of parameter U on the curve with its <br>

first derivative.
//! Raised if the continuity of the current interval
is not C1.

Reimplemented in BRepAdaptor_Curve, ProjLib_ProjectOnPlane, Adaptor3d_CurveOnSurface, BRepAdaptor_CompCurve, Adaptor3d_IsoCurve, GeomAdaptor_Curve, BiTgte_CurveOnEdge, ChFiDS_ElSpine, BiTgte_CurveOnVertex, and GeomFill_SnglrFunc.

virtual void Adaptor3d_Curve::D2 ( const Standard_Real  U,
gp_Pnt P,
gp_Vec V1,
gp_Vec V2 
) const
virtual

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.

Reimplemented in BRepAdaptor_Curve, ProjLib_ProjectOnPlane, Adaptor3d_CurveOnSurface, BRepAdaptor_CompCurve, Adaptor3d_IsoCurve, GeomAdaptor_Curve, BiTgte_CurveOnEdge, ChFiDS_ElSpine, BiTgte_CurveOnVertex, and GeomFill_SnglrFunc.

virtual void Adaptor3d_Curve::D3 ( const Standard_Real  U,
gp_Pnt P,
gp_Vec V1,
gp_Vec V2,
gp_Vec V3 
) const
virtual

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.

Reimplemented in BRepAdaptor_Curve, ProjLib_ProjectOnPlane, Adaptor3d_CurveOnSurface, BRepAdaptor_CompCurve, Adaptor3d_IsoCurve, GeomAdaptor_Curve, BiTgte_CurveOnEdge, BiTgte_CurveOnVertex, ChFiDS_ElSpine, and GeomFill_SnglrFunc.

virtual Standard_Integer Adaptor3d_Curve::Degree ( ) const
virtual
virtual void Adaptor3d_Curve::Delete ( )
virtual
virtual gp_Vec Adaptor3d_Curve::DN ( const Standard_Real  U,
const Standard_Integer  N 
) const
virtual

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.

Reimplemented in BRepAdaptor_Curve, ProjLib_ProjectOnPlane, Adaptor3d_CurveOnSurface, BRepAdaptor_CompCurve, GeomAdaptor_Curve, Adaptor3d_IsoCurve, BiTgte_CurveOnEdge, BiTgte_CurveOnVertex, and GeomFill_SnglrFunc.

virtual gp_Elips Adaptor3d_Curve::Ellipse ( ) const
virtual
virtual Standard_Real Adaptor3d_Curve::FirstParameter ( ) const
virtual
virtual GeomAbs_CurveType Adaptor3d_Curve::GetType ( ) const
virtual

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

Reimplemented in BRepAdaptor_Curve, ProjLib_ProjectOnPlane, Adaptor3d_CurveOnSurface, Adaptor3d_IsoCurve, BRepAdaptor_CompCurve, GeomAdaptor_Curve, BiTgte_CurveOnEdge, BiTgte_CurveOnVertex, ChFiDS_ElSpine, and GeomFill_SnglrFunc.

virtual gp_Hypr Adaptor3d_Curve::Hyperbola ( ) const
virtual
virtual void Adaptor3d_Curve::Intervals ( TColStd_Array1OfReal T,
const GeomAbs_Shape  S 
)
virtual

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


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

Reimplemented in BRepAdaptor_Curve, ProjLib_ProjectOnPlane, Adaptor3d_CurveOnSurface, BRepAdaptor_CompCurve, Adaptor3d_IsoCurve, GeomAdaptor_Curve, ChFiDS_ElSpine, and GeomFill_SnglrFunc.

virtual Standard_Boolean Adaptor3d_Curve::IsClosed ( ) const
virtual
virtual Standard_Boolean Adaptor3d_Curve::IsPeriodic ( ) const
virtual
virtual Standard_Boolean Adaptor3d_Curve::IsRational ( ) const
virtual
virtual Standard_Real Adaptor3d_Curve::LastParameter ( ) const
virtual
virtual gp_Lin Adaptor3d_Curve::Line ( ) const
virtual
virtual Standard_Integer Adaptor3d_Curve::NbIntervals ( const GeomAbs_Shape  S)
virtual

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

Reimplemented in BRepAdaptor_Curve, ProjLib_ProjectOnPlane, Adaptor3d_CurveOnSurface, BRepAdaptor_CompCurve, Adaptor3d_IsoCurve, GeomAdaptor_Curve, ChFiDS_ElSpine, and GeomFill_SnglrFunc.

virtual Standard_Integer Adaptor3d_Curve::NbKnots ( ) const
virtual
virtual Standard_Integer Adaptor3d_Curve::NbPoles ( ) const
virtual
virtual gp_Parab Adaptor3d_Curve::Parabola ( ) const
virtual
virtual Standard_Real Adaptor3d_Curve::Period ( ) const
virtual
virtual Standard_Real Adaptor3d_Curve::Resolution ( const Standard_Real  R3d) const
virtual

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

Reimplemented in BRepAdaptor_Curve, ProjLib_ProjectOnPlane, Adaptor3d_CurveOnSurface, BRepAdaptor_CompCurve, Adaptor3d_IsoCurve, GeomAdaptor_Curve, BiTgte_CurveOnEdge, BiTgte_CurveOnVertex, ChFiDS_ElSpine, and GeomFill_SnglrFunc.

virtual Handle_Adaptor3d_HCurve Adaptor3d_Curve::Trim ( const Standard_Real  First,
const Standard_Real  Last,
const Standard_Real  Tol 
) const
virtual

Returns a curve equivalent of <me> between
parameters <First> and <Last>. <Tol> is used to
test for 3d points confusion.
//! If <First> >= <Last>

Reimplemented in BRepAdaptor_Curve, ProjLib_ProjectOnPlane, Adaptor3d_CurveOnSurface, BRepAdaptor_CompCurve, Adaptor3d_IsoCurve, GeomAdaptor_Curve, BiTgte_CurveOnEdge, ChFiDS_ElSpine, and BiTgte_CurveOnVertex.

virtual gp_Pnt Adaptor3d_Curve::Value ( const Standard_Real  U) const
virtual

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