// Created on: 1993-03-11 // Created by: Isabelle GRIGNON // 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_IsoCurve_HeaderFile #define _Adaptor3d_IsoCurve_HeaderFile #include #include #include #include #include #include #include #include #include #include #include class Adaptor3d_HSurface; class Standard_NoSuchObject; class Standard_OutOfRange; class Standard_DomainError; class Adaptor3d_HCurve; class gp_Pnt; class gp_Vec; class gp_Lin; class gp_Circ; class gp_Elips; class gp_Hypr; class gp_Parab; class Geom_BezierCurve; class Geom_BSplineCurve; //! Defines an isoparametric curve on a surface. The //! type of isoparametric curve (U or V) is defined //! with the enumeration IsoType from GeomAbs if //! NoneIso is given an error is raised. class Adaptor3d_IsoCurve : public Adaptor3d_Curve { public: DEFINE_STANDARD_ALLOC //! The iso is set to NoneIso. Standard_EXPORT Adaptor3d_IsoCurve(); //! The surface is loaded. The iso is set to NoneIso. Standard_EXPORT Adaptor3d_IsoCurve(const Handle(Adaptor3d_HSurface)& S); //! Creates an IsoCurve curve. Iso defines the //! type (isoU or isoU) Param defines the value of //! the iso. The bounds of the iso are the bounds //! of the surface. Standard_EXPORT Adaptor3d_IsoCurve(const Handle(Adaptor3d_HSurface)& S, const GeomAbs_IsoType Iso, const Standard_Real Param); //! Create an IsoCurve curve. Iso defines the type //! (isoU or isov). Param defines the value of the //! iso. WFirst,WLast define the bounds of the iso. Standard_EXPORT Adaptor3d_IsoCurve(const Handle(Adaptor3d_HSurface)& S, const GeomAbs_IsoType Iso, const Standard_Real Param, const Standard_Real WFirst, const Standard_Real WLast); //! Changes the surface. The iso is reset to //! NoneIso. Standard_EXPORT void Load (const Handle(Adaptor3d_HSurface)& S); //! Changes the iso on the current surface. Standard_EXPORT void Load (const GeomAbs_IsoType Iso, const Standard_Real Param); //! Changes the iso on the current surface. Standard_EXPORT void Load (const GeomAbs_IsoType Iso, const Standard_Real Param, const Standard_Real WFirst, const Standard_Real WLast); const Handle(Adaptor3d_HSurface)& Surface() const; GeomAbs_IsoType Iso() const; Standard_Real Parameter() const; Standard_Real FirstParameter() const Standard_OVERRIDE; 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_HCurve) 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; protected: private: Handle(Adaptor3d_HSurface) mySurface; GeomAbs_IsoType myIso; Standard_Real myFirst; Standard_Real myLast; Standard_Real myParameter; }; #include #endif // _Adaptor3d_IsoCurve_HeaderFile