1 // Created on: 1998-05-12
2 // Created by: Roman BORISOV
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 _Approx_CurvlinFunc_HeaderFile
18 #define _Approx_CurvlinFunc_HeaderFile
20 #include <Standard.hxx>
21 #include <Standard_Type.hxx>
23 #include <Standard_Integer.hxx>
24 #include <Standard_Real.hxx>
25 #include <TColStd_HArray1OfReal.hxx>
26 #include <Standard_Transient.hxx>
27 #include <GeomAbs_Shape.hxx>
28 #include <TColStd_Array1OfReal.hxx>
29 #include <Standard_Boolean.hxx>
30 class Adaptor3d_HCurve;
31 class Adaptor2d_HCurve2d;
32 class Adaptor3d_HSurface;
33 class Standard_OutOfRange;
34 class Standard_DomainError;
35 class Standard_ConstructionError;
36 class Adaptor3d_Curve;
39 class Approx_CurvlinFunc;
40 DEFINE_STANDARD_HANDLE(Approx_CurvlinFunc, Standard_Transient)
42 //! defines an abstract curve with
43 //! curvilinear parametrization
44 class Approx_CurvlinFunc : public Standard_Transient
50 Standard_EXPORT Approx_CurvlinFunc(const Handle(Adaptor3d_HCurve)& C, const Standard_Real Tol);
52 Standard_EXPORT Approx_CurvlinFunc(const Handle(Adaptor2d_HCurve2d)& C2D, const Handle(Adaptor3d_HSurface)& S, const Standard_Real Tol);
54 Standard_EXPORT Approx_CurvlinFunc(const Handle(Adaptor2d_HCurve2d)& C2D1, const Handle(Adaptor2d_HCurve2d)& C2D2, const Handle(Adaptor3d_HSurface)& S1, const Handle(Adaptor3d_HSurface)& S2, const Standard_Real Tol);
56 //! ---Purpose Update the tolerance to used
57 Standard_EXPORT void SetTol (const Standard_Real Tol);
59 Standard_EXPORT Standard_Real FirstParameter() const;
61 Standard_EXPORT Standard_Real LastParameter() const;
63 //! Returns the number of intervals for continuity
64 //! <S>. May be one if Continuity(me) >= <S>
65 Standard_EXPORT Standard_Integer NbIntervals (const GeomAbs_Shape S) const;
67 //! Stores in <T> the parameters bounding the intervals
68 //! of continuity <S>.
70 //! The array must provide enough room to accomodate
71 //! for the parameters. i.e. T.Length() > NbIntervals()
72 Standard_EXPORT void Intervals (TColStd_Array1OfReal& T, const GeomAbs_Shape S) const;
74 //! if First < 0 or Last > 1
75 Standard_EXPORT void Trim (const Standard_Real First, const Standard_Real Last, const Standard_Real Tol);
77 //! Computes length of the curve.
78 Standard_EXPORT void Length();
80 //! Computes length of the curve segment.
81 Standard_EXPORT Standard_Real Length (Adaptor3d_Curve& C, const Standard_Real FirstU, const Standard_Real LasrU) const;
83 Standard_EXPORT Standard_Real GetLength() const;
85 //! returns original parameter correponding S. if
86 //! Case == 1 computation is performed on myC2D1 and mySurf1,
87 //! otherwise it is done on myC2D2 and mySurf2.
88 Standard_EXPORT Standard_Real GetUParameter (Adaptor3d_Curve& C, const Standard_Real S, const Standard_Integer NumberOfCurve) const;
90 //! returns original parameter correponding S.
91 Standard_EXPORT Standard_Real GetSParameter (const Standard_Real U) const;
94 Standard_EXPORT Standard_Boolean EvalCase1 (const Standard_Real S, const Standard_Integer Order, TColStd_Array1OfReal& Result) const;
97 Standard_EXPORT Standard_Boolean EvalCase2 (const Standard_Real S, const Standard_Integer Order, TColStd_Array1OfReal& Result) const;
100 Standard_EXPORT Standard_Boolean EvalCase3 (const Standard_Real S, const Standard_Integer Order, TColStd_Array1OfReal& Result);
105 DEFINE_STANDARD_RTTIEXT(Approx_CurvlinFunc,Standard_Transient)
115 Standard_EXPORT void Init();
117 Standard_EXPORT void Init (Adaptor3d_Curve& C, Handle(TColStd_HArray1OfReal)& Si, Handle(TColStd_HArray1OfReal)& Ui) const;
119 //! returns curvilinear parameter correponding U.
120 Standard_EXPORT Standard_Real GetSParameter (Adaptor3d_Curve& C, const Standard_Real U, const Standard_Real Length) const;
122 Standard_EXPORT Standard_Boolean EvalCurOnSur (const Standard_Real S, const Standard_Integer Order, TColStd_Array1OfReal& Result, const Standard_Integer NumberOfCurve) const;
124 Handle(Adaptor3d_HCurve) myC3D;
125 Handle(Adaptor2d_HCurve2d) myC2D1;
126 Handle(Adaptor2d_HCurve2d) myC2D2;
127 Handle(Adaptor3d_HSurface) mySurf1;
128 Handle(Adaptor3d_HSurface) mySurf2;
129 Standard_Integer myCase;
130 Standard_Real myFirstS;
131 Standard_Real myLastS;
132 Standard_Real myFirstU1;
133 Standard_Real myLastU1;
134 Standard_Real myFirstU2;
135 Standard_Real myLastU2;
136 Standard_Real myLength;
137 Standard_Real myLength1;
138 Standard_Real myLength2;
139 Standard_Real myTolLen;
140 Standard_Real myPrevS;
141 Standard_Real myPrevU;
142 Handle(TColStd_HArray1OfReal) myUi_1;
143 Handle(TColStd_HArray1OfReal) mySi_1;
144 Handle(TColStd_HArray1OfReal) myUi_2;
145 Handle(TColStd_HArray1OfReal) mySi_2;
156 #endif // _Approx_CurvlinFunc_HeaderFile