class gp_Parab;
class Geom_BezierCurve;
class Geom_BSplineCurve;
+class Geom_OffsetCurve;
//! Root class for 3D curves on which geometric
Standard_EXPORT virtual Handle(Geom_BezierCurve) Bezier() const;
Standard_EXPORT virtual Handle(Geom_BSplineCurve) BSpline() const;
+
+ Standard_EXPORT virtual Handle(Geom_OffsetCurve) OffsetCurve() const;
+
Standard_EXPORT virtual ~Adaptor3d_Curve();