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1 | // Created on: 1997-08-22 |
2 | // Created by: Jeannine PANCIATICI, Sergey SOKOLOV |
3 | // Copyright (c) 1997-1999 Matra Datavision |
4 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
5 | // |
6 | // This file is part of Open CASCADE Technology software library. |
7 | // |
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. |
13 | // |
14 | // Alternatively, this file may be used under the terms of Open CASCADE |
15 | // commercial license or contractual agreement. |
16 | |
17 | #ifndef _Approx_CurvilinearParameter_HeaderFile |
18 | #define _Approx_CurvilinearParameter_HeaderFile |
19 | |
20 | #include <Standard.hxx> |
21 | #include <Standard_DefineAlloc.hxx> |
22 | #include <Standard_Handle.hxx> |
23 | |
24 | #include <Standard_Integer.hxx> |
25 | #include <Standard_Boolean.hxx> |
26 | #include <Standard_Real.hxx> |
27 | #include <GeomAbs_Shape.hxx> |
28 | #include <Standard_OStream.hxx> |
29 | class Geom_BSplineCurve; |
30 | class Geom2d_BSplineCurve; |
31 | class Standard_OutOfRange; |
32 | class Standard_ConstructionError; |
33 | class Adaptor3d_HCurve; |
34 | class Adaptor2d_HCurve2d; |
35 | class Adaptor3d_HSurface; |
36 | |
37 | |
38 | //! Approximation of a Curve to make its parameter be its |
39 | //! curvilinear abscissa |
40 | //! If the curve is a curve on a surface S, C2D is the corresponding Pcurve, |
41 | //! we considere the curve is given by its representation S(C2D(u)) |
42 | //! If the curve is a curve on 2 surfaces S1 and S2 and C2D1 C2D2 are |
43 | //! the two corresponding Pcurve, we considere the curve is given |
44 | //! by its representation 1/2(S1(C2D1(u) + S2 (C2D2(u))) |
45 | class Approx_CurvilinearParameter |
46 | { |
47 | public: |
48 | |
49 | DEFINE_STANDARD_ALLOC |
50 | |
51 | |
52 | //! case of a free 3D curve |
53 | Standard_EXPORT Approx_CurvilinearParameter(const Handle(Adaptor3d_HCurve)& C3D, const Standard_Real Tol, const GeomAbs_Shape Order, const Standard_Integer MaxDegree, const Standard_Integer MaxSegments); |
54 | |
55 | //! case of a curve on one surface |
56 | Standard_EXPORT Approx_CurvilinearParameter(const Handle(Adaptor2d_HCurve2d)& C2D, const Handle(Adaptor3d_HSurface)& Surf, const Standard_Real Tol, const GeomAbs_Shape Order, const Standard_Integer MaxDegree, const Standard_Integer MaxSegments); |
57 | |
58 | //! case of a curve on two surfaces |
59 | Standard_EXPORT Approx_CurvilinearParameter(const Handle(Adaptor2d_HCurve2d)& C2D1, const Handle(Adaptor3d_HSurface)& Surf1, const Handle(Adaptor2d_HCurve2d)& C2D2, const Handle(Adaptor3d_HSurface)& Surf2, const Standard_Real Tol, const GeomAbs_Shape Order, const Standard_Integer MaxDegree, const Standard_Integer MaxSegments); |
60 | |
61 | Standard_EXPORT Standard_Boolean IsDone() const; |
62 | |
63 | Standard_EXPORT Standard_Boolean HasResult() const; |
64 | |
65 | //! returns the Bspline curve corresponding to the reparametrized 3D curve |
66 | Standard_EXPORT Handle(Geom_BSplineCurve) Curve3d() const; |
67 | |
68 | //! returns the maximum error on the reparametrized 3D curve |
69 | Standard_EXPORT Standard_Real MaxError3d() const; |
70 | |
71 | //! returns the BsplineCurve representing the reparametrized 2D curve on the |
72 | //! first surface (case of a curve on one or two surfaces) |
73 | Standard_EXPORT Handle(Geom2d_BSplineCurve) Curve2d1() const; |
74 | |
75 | //! returns the maximum error on the first reparametrized 2D curve |
76 | Standard_EXPORT Standard_Real MaxError2d1() const; |
77 | |
78 | //! returns the BsplineCurve representing the reparametrized 2D curve on the |
79 | //! second surface (case of a curve on two surfaces) |
80 | Standard_EXPORT Handle(Geom2d_BSplineCurve) Curve2d2() const; |
81 | |
82 | //! returns the maximum error on the second reparametrized 2D curve |
83 | Standard_EXPORT Standard_Real MaxError2d2() const; |
84 | |
85 | //! print the maximum errors(s) |
86 | Standard_EXPORT void Dump (Standard_OStream& o) const; |
87 | |
88 | |
89 | |
90 | |
91 | protected: |
92 | |
93 | |
94 | |
95 | |
96 | |
97 | private: |
98 | |
99 | |
100 | Standard_EXPORT static void ToleranceComputation (const Handle(Adaptor2d_HCurve2d)& C2D, const Handle(Adaptor3d_HSurface)& S, const Standard_Integer MaxNumber, const Standard_Real Tol, Standard_Real& TolV, Standard_Real& TolW); |
101 | |
102 | |
103 | Standard_Integer myCase; |
104 | Standard_Boolean myDone; |
105 | Standard_Boolean myHasResult; |
106 | Handle(Geom_BSplineCurve) myCurve3d; |
107 | Standard_Real myMaxError3d; |
108 | Handle(Geom2d_BSplineCurve) myCurve2d1; |
109 | Standard_Real myMaxError2d1; |
110 | Handle(Geom2d_BSplineCurve) myCurve2d2; |
111 | Standard_Real myMaxError2d2; |
112 | |
113 | |
114 | }; |
115 | |
116 | |
117 | |
118 | |
119 | |
120 | |
121 | |
122 | #endif // _Approx_CurvilinearParameter_HeaderFile |