1 // Created on: 1998-06-23
2 // Created by: Stephanie HUMEAU
3 // Copyright (c) 1998-1999 Matra Datavision
4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
6 // This file is part of Open CASCADE Technology software library.
8 // This library is free software; you can redistribute it and/or modify it under
9 // the terms of the GNU Lesser General Public License version 2.1 as published
10 // by the Free Software Foundation, with special exception defined in the file
11 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
12 // distribution for complete text of the license and disclaimer of any warranty.
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
17 #ifndef _GeomFill_GuideTrihedronAC_HeaderFile
18 #define _GeomFill_GuideTrihedronAC_HeaderFile
20 #include <Standard.hxx>
21 #include <Standard_Type.hxx>
23 #include <Standard_Real.hxx>
24 #include <GeomFill_TrihedronWithGuide.hxx>
25 #include <Standard_Boolean.hxx>
26 #include <Standard_Integer.hxx>
27 #include <GeomAbs_Shape.hxx>
28 #include <TColStd_Array1OfReal.hxx>
29 class Approx_CurvlinFunc;
30 class GeomFill_TrihedronLaw;
34 class GeomFill_GuideTrihedronAC;
35 DEFINE_STANDARD_HANDLE(GeomFill_GuideTrihedronAC, GeomFill_TrihedronWithGuide)
37 //! Trihedron in the case of a sweeping along a guide curve.
38 //! defined by curviline absciss
39 class GeomFill_GuideTrihedronAC : public GeomFill_TrihedronWithGuide
45 Standard_EXPORT GeomFill_GuideTrihedronAC(const Handle(Adaptor3d_Curve)& guide);
47 Standard_EXPORT virtual void SetCurve (const Handle(Adaptor3d_Curve)& C) Standard_OVERRIDE;
49 Standard_EXPORT virtual Handle(GeomFill_TrihedronLaw) Copy() const Standard_OVERRIDE;
51 Standard_EXPORT virtual Handle(Adaptor3d_Curve) Guide() const Standard_OVERRIDE;
53 Standard_EXPORT virtual Standard_Boolean D0 (const Standard_Real Param, gp_Vec& Tangent, gp_Vec& Normal, gp_Vec& BiNormal) Standard_OVERRIDE;
55 Standard_EXPORT virtual Standard_Boolean D1 (const Standard_Real Param, gp_Vec& Tangent, gp_Vec& DTangent, gp_Vec& Normal, gp_Vec& DNormal, gp_Vec& BiNormal, gp_Vec& DBiNormal) Standard_OVERRIDE;
57 Standard_EXPORT virtual Standard_Boolean D2 (const Standard_Real Param, gp_Vec& Tangent, gp_Vec& DTangent, gp_Vec& D2Tangent, gp_Vec& Normal, gp_Vec& DNormal, gp_Vec& D2Normal, gp_Vec& BiNormal, gp_Vec& DBiNormal, gp_Vec& D2BiNormal) Standard_OVERRIDE;
59 //! Returns the number of intervals for continuity
61 //! May be one if Continuity(me) >= <S>
62 Standard_EXPORT virtual Standard_Integer NbIntervals (const GeomAbs_Shape S) const Standard_OVERRIDE;
64 //! Stores in <T> the parameters bounding the intervals
65 //! of continuity <S>.
67 //! The array must provide enough room to accommodate
68 //! for the parameters. i.e. T.Length() > NbIntervals()
69 Standard_EXPORT virtual void Intervals (TColStd_Array1OfReal& T, const GeomAbs_Shape S) const Standard_OVERRIDE;
71 //! Sets the bounds of the parametric interval on
73 //! This determines the derivatives in these values if the
74 //! function is not Cn.
75 Standard_EXPORT virtual void SetInterval (const Standard_Real First, const Standard_Real Last) Standard_OVERRIDE;
77 //! Get average value of M(t) and V(t) it is usfull to
78 //! make fast approximation of rational surfaces.
79 Standard_EXPORT virtual void GetAverageLaw (gp_Vec& ATangent, gp_Vec& ANormal, gp_Vec& ABiNormal) Standard_OVERRIDE;
81 //! Say if the law is Constant
82 Standard_EXPORT virtual Standard_Boolean IsConstant() const Standard_OVERRIDE;
84 //! Say if the law is defined, only by the 3d Geometry of
86 //! Return False by Default.
87 Standard_EXPORT virtual Standard_Boolean IsOnlyBy3dCurve() const Standard_OVERRIDE;
89 Standard_EXPORT virtual void Origine (const Standard_Real OrACR1, const Standard_Real OrACR2) Standard_OVERRIDE;
94 DEFINE_STANDARD_RTTIEXT(GeomFill_GuideTrihedronAC,GeomFill_TrihedronWithGuide)
104 Handle(Approx_CurvlinFunc) myGuideAC;
105 Standard_Real Lguide;
106 Handle(Approx_CurvlinFunc) myCurveAC;
108 Handle(Adaptor3d_Curve) myCurve;
123 #endif // _GeomFill_GuideTrihedronAC_HeaderFile