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1 | // Created on: 1998-06-03 |
2 | // Created by: data exchange team |
3 | // Copyright (c) 1998-1999 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 _ShapeCustom_Surface_HeaderFile |
18 | #define _ShapeCustom_Surface_HeaderFile |
19 | |
20 | #include <Standard.hxx> |
21 | #include <Standard_DefineAlloc.hxx> |
22 | #include <Standard_Handle.hxx> |
23 | |
24 | #include <Standard_Real.hxx> |
25 | #include <Standard_Boolean.hxx> |
26 | class Geom_Surface; |
27 | |
28 | |
29 | //! Converts a surface to the analitical form with given |
30 | //! precision. Conversion is done only the surface is bspline |
31 | //! of bezier and this can be approximed by some analytical |
32 | //! surface with that precision. |
33 | class ShapeCustom_Surface |
34 | { |
35 | public: |
36 | |
37 | DEFINE_STANDARD_ALLOC |
38 | |
39 | |
40 | Standard_EXPORT ShapeCustom_Surface(); |
41 | |
42 | Standard_EXPORT ShapeCustom_Surface(const Handle(Geom_Surface)& S); |
43 | |
44 | Standard_EXPORT void Init (const Handle(Geom_Surface)& S); |
45 | |
46 | //! Returns maximal deviation of converted surface from the original |
47 | //! one computed by last call to ConvertToAnalytical |
48 | Standard_Real Gap() const; |
49 | |
50 | //! Tries to convert the Surface to an Analytic form |
51 | //! Returns the result |
52 | //! Works only if the Surface is BSpline or Bezier. |
53 | //! Else, or in case of failure, returns a Null Handle |
54 | //! |
55 | //! If <substitute> is True, the new surface replaces the actual |
56 | //! one in <me> |
57 | //! |
58 | //! It works by analysing the case which can apply, creating the |
59 | //! corresponding analytic surface, then checking coincidence |
60 | //! Warning: Parameter laws are not kept, hence PCurves should be redone |
61 | Standard_EXPORT Handle(Geom_Surface) ConvertToAnalytical (const Standard_Real tol, const Standard_Boolean substitute); |
62 | |
63 | //! Tries to convert the Surface to the Periodic form |
64 | //! Returns the resulting surface |
65 | //! Works only if the Surface is BSpline and is closed with |
66 | //! Precision::Confusion() |
67 | //! Else, or in case of failure, returns a Null Handle |
68 | Standard_EXPORT Handle(Geom_Surface) ConvertToPeriodic (const Standard_Boolean substitute, const Standard_Real preci = -1); |
69 | |
70 | |
71 | |
72 | |
73 | protected: |
74 | |
75 | |
76 | |
77 | |
78 | |
79 | private: |
80 | |
81 | |
82 | |
83 | Handle(Geom_Surface) mySurf; |
84 | Standard_Real myGap; |
85 | |
86 | |
87 | }; |
88 | |
89 | |
90 | #include <ShapeCustom_Surface.lxx> |
91 | |
92 | |
93 | |
94 | |
95 | |
96 | #endif // _ShapeCustom_Surface_HeaderFile |