1 // Created on: 1997-12-02
2 // Created by: Philippe MANGIN
3 // Copyright (c) 1997-1999 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_CurveAndTrihedron_HeaderFile
18 #define _GeomFill_CurveAndTrihedron_HeaderFile
20 #include <Standard.hxx>
21 #include <Standard_Type.hxx>
23 #include <Standard_Boolean.hxx>
27 #include <GeomFill_LocationLaw.hxx>
28 #include <Standard_Real.hxx>
29 #include <TColgp_Array1OfPnt2d.hxx>
30 #include <TColgp_Array1OfVec2d.hxx>
31 #include <Standard_Integer.hxx>
32 #include <GeomAbs_Shape.hxx>
33 #include <TColStd_Array1OfReal.hxx>
34 class GeomFill_TrihedronLaw;
37 class GeomFill_CurveAndTrihedron;
38 DEFINE_STANDARD_HANDLE(GeomFill_CurveAndTrihedron, GeomFill_LocationLaw)
40 //! Define location law with an TrihedronLaw and an
42 //! Definition Location is :
43 //! transformed section coordinates in (Curve(v)),
44 //! (Normal(v), BiNormal(v), Tangente(v))) systeme are
45 //! the same like section shape coordinates in
46 //! (O,(OX, OY, OZ)) systeme.
47 class GeomFill_CurveAndTrihedron : public GeomFill_LocationLaw
53 Standard_EXPORT GeomFill_CurveAndTrihedron(const Handle(GeomFill_TrihedronLaw)& Trihedron);
55 Standard_EXPORT virtual void SetCurve (const Handle(Adaptor3d_Curve)& C) Standard_OVERRIDE;
57 Standard_EXPORT virtual const Handle(Adaptor3d_Curve)& GetCurve() const Standard_OVERRIDE;
59 //! Set a transformation Matrix like the law M(t) become
61 Standard_EXPORT virtual void SetTrsf (const gp_Mat& Transfo) Standard_OVERRIDE;
63 Standard_EXPORT virtual Handle(GeomFill_LocationLaw) Copy() const Standard_OVERRIDE;
65 //! compute Location and 2d points
66 Standard_EXPORT virtual Standard_Boolean D0 (const Standard_Real Param, gp_Mat& M, gp_Vec& V) Standard_OVERRIDE;
68 //! compute Location and 2d points
69 Standard_EXPORT virtual Standard_Boolean D0 (const Standard_Real Param, gp_Mat& M, gp_Vec& V, TColgp_Array1OfPnt2d& Poles2d) Standard_OVERRIDE;
71 //! compute location 2d points and associated
72 //! first derivatives.
73 //! Warning : It used only for C1 or C2 approximation
74 Standard_EXPORT virtual Standard_Boolean D1 (const Standard_Real Param, gp_Mat& M, gp_Vec& V, gp_Mat& DM, gp_Vec& DV, TColgp_Array1OfPnt2d& Poles2d, TColgp_Array1OfVec2d& DPoles2d) Standard_OVERRIDE;
76 //! compute location 2d points and associated
77 //! first and seconde derivatives.
78 //! Warning : It used only for C2 approximation
79 Standard_EXPORT virtual Standard_Boolean D2 (const Standard_Real Param, gp_Mat& M, gp_Vec& V, gp_Mat& DM, gp_Vec& DV, gp_Mat& D2M, gp_Vec& D2V, TColgp_Array1OfPnt2d& Poles2d, TColgp_Array1OfVec2d& DPoles2d, TColgp_Array1OfVec2d& D2Poles2d) Standard_OVERRIDE;
81 //! Returns the number of intervals for continuity
83 //! May be one if Continuity(me) >= <S>
84 Standard_EXPORT virtual Standard_Integer NbIntervals (const GeomAbs_Shape S) const Standard_OVERRIDE;
86 //! Stores in <T> the parameters bounding the intervals
87 //! of continuity <S>.
89 //! The array must provide enough room to accommodate
90 //! for the parameters. i.e. T.Length() > NbIntervals()
91 Standard_EXPORT virtual void Intervals (TColStd_Array1OfReal& T, const GeomAbs_Shape S) const Standard_OVERRIDE;
93 //! Sets the bounds of the parametric interval on
95 //! This determines the derivatives in these values if the
96 //! function is not Cn.
97 Standard_EXPORT virtual void SetInterval (const Standard_Real First, const Standard_Real Last) Standard_OVERRIDE;
99 //! Gets the bounds of the parametric interval on
101 Standard_EXPORT virtual void GetInterval (Standard_Real& First, Standard_Real& Last) const Standard_OVERRIDE;
103 //! Gets the bounds of the function parametric domain.
104 //! Warning: This domain it is not modified by the
106 Standard_EXPORT virtual void GetDomain (Standard_Real& First, Standard_Real& Last) const Standard_OVERRIDE;
108 //! Get the maximum Norm of the matrix-location part. It
109 //! is usful to find an good Tolerance to approx M(t).
110 Standard_EXPORT virtual Standard_Real GetMaximalNorm() Standard_OVERRIDE;
112 //! Get average value of M(t) and V(t) it is usfull to
113 //! make fast approximation of rational surfaces.
114 Standard_EXPORT virtual void GetAverageLaw (gp_Mat& AM, gp_Vec& AV) Standard_OVERRIDE;
116 //! Say if the Location Law, is an translation of Location
117 //! The default implementation is " returns False ".
118 Standard_EXPORT virtual Standard_Boolean IsTranslation (Standard_Real& Error) const Standard_OVERRIDE;
120 //! Say if the Location Law, is a rotation of Location
121 //! The default implementation is " returns False ".
122 Standard_EXPORT virtual Standard_Boolean IsRotation (Standard_Real& Error) const Standard_OVERRIDE;
124 Standard_EXPORT virtual void Rotation (gp_Pnt& Center) const Standard_OVERRIDE;
129 DEFINE_STANDARD_RTTIEXT(GeomFill_CurveAndTrihedron,GeomFill_LocationLaw)
139 Standard_Boolean WithTrans;
140 Handle(GeomFill_TrihedronLaw) myLaw;
141 Handle(Adaptor3d_Curve) myCurve;
142 Handle(Adaptor3d_Curve) myTrimmed;
158 #endif // _GeomFill_CurveAndTrihedron_HeaderFile