// Created on: 1993-02-22 // Created by: Modelistation // Copyright (c) 1993-1999 Matra Datavision // Copyright (c) 1999-2014 OPEN CASCADE SAS // // This file is part of Open CASCADE Technology software library. // // This library is free software; you can redistribute it and/or modify it under // the terms of the GNU Lesser General Public License version 2.1 as published // by the Free Software Foundation, with special exception defined in the file // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT // distribution for complete text of the license and disclaimer of any warranty. // // Alternatively, this file may be used under the terms of Open CASCADE // commercial license or contractual agreement. #ifndef _Adaptor3d_CurveOnSurface_HeaderFile #define _Adaptor3d_CurveOnSurface_HeaderFile #include #include #include #include #include #include #include DEFINE_STANDARD_HANDLE(Adaptor3d_CurveOnSurface, Adaptor3d_Curve) //! An interface between the services provided by a curve //! lying on a surface from the package Geom and those //! required of the curve by algorithms which use it. The //! curve is defined as a 2D curve from the Geom2d //! package, in the parametric space of the surface. class Adaptor3d_CurveOnSurface : public Adaptor3d_Curve { DEFINE_STANDARD_RTTIEXT(Adaptor3d_CurveOnSurface, Adaptor3d_Curve) public: Standard_EXPORT Adaptor3d_CurveOnSurface(); Standard_EXPORT Adaptor3d_CurveOnSurface(const Handle(Adaptor3d_Surface)& S); //! Creates a CurveOnSurface from the 2d curve and //! the surface . Standard_EXPORT Adaptor3d_CurveOnSurface(const Handle(Adaptor2d_Curve2d)& C, const Handle(Adaptor3d_Surface)& S); //! Shallow copy of adaptor Standard_EXPORT virtual Handle(Adaptor3d_Curve) ShallowCopy() const Standard_OVERRIDE; //! Changes the surface. Standard_EXPORT void Load (const Handle(Adaptor3d_Surface)& S); //! Changes the 2d curve. Standard_EXPORT void Load (const Handle(Adaptor2d_Curve2d)& C); //! Load both curve and surface. Standard_EXPORT void Load (const Handle(Adaptor2d_Curve2d)& C, const Handle(Adaptor3d_Surface)& S); Standard_EXPORT const Handle(Adaptor2d_Curve2d)& GetCurve() const; Standard_EXPORT const Handle(Adaptor3d_Surface)& GetSurface() const; Standard_EXPORT Handle(Adaptor2d_Curve2d)& ChangeCurve(); Standard_EXPORT Handle(Adaptor3d_Surface)& ChangeSurface(); Standard_EXPORT Standard_Real FirstParameter() const Standard_OVERRIDE; Standard_EXPORT Standard_Real LastParameter() const Standard_OVERRIDE; Standard_EXPORT GeomAbs_Shape Continuity() const Standard_OVERRIDE; //! Returns the number of intervals for continuity //! . May be one if Continuity(me) >= Standard_EXPORT Standard_Integer NbIntervals (const GeomAbs_Shape S) const Standard_OVERRIDE; //! Stores in the parameters bounding the intervals //! of continuity . //! //! The array must provide enough room to accommodate //! for the parameters. i.e. T.Length() > NbIntervals() Standard_EXPORT void Intervals (TColStd_Array1OfReal& T, const GeomAbs_Shape S) const Standard_OVERRIDE; //! Returns a curve equivalent of between //! parameters and . is used to //! test for 3d points confusion. //! If >= Standard_EXPORT Handle(Adaptor3d_Curve) Trim (const Standard_Real First, const Standard_Real Last, const Standard_Real Tol) const Standard_OVERRIDE; Standard_EXPORT Standard_Boolean IsClosed() const Standard_OVERRIDE; Standard_EXPORT Standard_Boolean IsPeriodic() const Standard_OVERRIDE; Standard_EXPORT Standard_Real Period() const Standard_OVERRIDE; //! Computes the point of parameter U on the curve. Standard_EXPORT gp_Pnt Value (const Standard_Real U) const Standard_OVERRIDE; //! Computes the point of parameter U on the curve. Standard_EXPORT void D0 (const Standard_Real U, gp_Pnt& P) const Standard_OVERRIDE; //! Computes the point of parameter U on the curve with its //! first derivative. //! Raised if the continuity of the current interval //! is not C1. Standard_EXPORT void D1 (const Standard_Real U, gp_Pnt& P, gp_Vec& V) const Standard_OVERRIDE; //! 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. Standard_EXPORT void D2 (const Standard_Real U, gp_Pnt& P, gp_Vec& V1, gp_Vec& V2) const Standard_OVERRIDE; //! 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. Standard_EXPORT void D3 (const Standard_Real U, gp_Pnt& P, gp_Vec& V1, gp_Vec& V2, gp_Vec& V3) const Standard_OVERRIDE; //! 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. Standard_EXPORT gp_Vec DN (const Standard_Real U, const Standard_Integer N) const Standard_OVERRIDE; //! Returns the parametric resolution corresponding //! to the real space resolution . Standard_EXPORT Standard_Real Resolution (const Standard_Real R3d) const Standard_OVERRIDE; //! Returns the type of the curve in the current //! interval : Line, Circle, Ellipse, Hyperbola, //! Parabola, BezierCurve, BSplineCurve, OtherCurve. Standard_EXPORT GeomAbs_CurveType GetType() const Standard_OVERRIDE; Standard_EXPORT gp_Lin Line() const Standard_OVERRIDE; Standard_EXPORT gp_Circ Circle() const Standard_OVERRIDE; Standard_EXPORT gp_Elips Ellipse() const Standard_OVERRIDE; Standard_EXPORT gp_Hypr Hyperbola() const Standard_OVERRIDE; Standard_EXPORT gp_Parab Parabola() const Standard_OVERRIDE; Standard_EXPORT Standard_Integer Degree() const Standard_OVERRIDE; Standard_EXPORT Standard_Boolean IsRational() const Standard_OVERRIDE; Standard_EXPORT Standard_Integer NbPoles() const Standard_OVERRIDE; Standard_EXPORT Standard_Integer NbKnots() const Standard_OVERRIDE; Standard_EXPORT Handle(Geom_BezierCurve) Bezier() const Standard_OVERRIDE; Standard_EXPORT Handle(Geom_BSplineCurve) BSpline() const Standard_OVERRIDE; private: Standard_EXPORT void EvalKPart(); //! Evaluates myFirstSurf and myLastSurf //! for trimming the curve on surface. //! Following methods output left-bottom and right-top points //! of located part on surface //! for trimming the curve on surface. Standard_EXPORT void EvalFirstLastSurf(); Standard_EXPORT void LocatePart (const gp_Pnt2d& UV, const gp_Vec2d& DUV, const Handle(Adaptor3d_Surface)& S, gp_Pnt2d& LeftBot, gp_Pnt2d& RightTop) const; Standard_EXPORT Standard_Boolean LocatePart_RevExt (const gp_Pnt2d& UV, const gp_Vec2d& DUV, const Handle(Adaptor3d_Surface)& S, gp_Pnt2d& LeftBot, gp_Pnt2d& RightTop) const; Standard_EXPORT Standard_Boolean LocatePart_Offset (const gp_Pnt2d& UV, const gp_Vec2d& DUV, const Handle(Adaptor3d_Surface)& S, gp_Pnt2d& LeftBot, gp_Pnt2d& RightTop) const; //! Extracts the numbers of knots which equal //! the point and checks derivative components //! by zero equivalence. Standard_EXPORT void FindBounds (const TColStd_Array1OfReal& Arr, const Standard_Real XYComp, const Standard_Real DUVComp, Standard_Integer& Bnd1, Standard_Integer& Bnd2, Standard_Boolean& DerIsNull) const; private: Handle(Adaptor3d_Surface) mySurface; Handle(Adaptor2d_Curve2d) myCurve; GeomAbs_CurveType myType; gp_Circ myCirc; gp_Lin myLin; Handle(Adaptor3d_Surface) myFirstSurf; Handle(Adaptor3d_Surface) myLastSurf; Handle(TColStd_HSequenceOfReal) myIntervals; GeomAbs_Shape myIntCont; }; #endif // _Adaptor3d_CurveOnSurface_HeaderFile