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1 | // Created on: 1991-04-12 |
2 | // Created by: Michel CHAUVAT |
3 | // Copyright (c) 1991-1999 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 _BRepGProp_Sinert_HeaderFile |
18 | #define _BRepGProp_Sinert_HeaderFile |
19 | |
20 | #include <Standard.hxx> |
21 | #include <Standard_DefineAlloc.hxx> |
22 | #include <Standard_Handle.hxx> |
23 | |
24 | #include <Standard_Real.hxx> |
25 | #include <GProp_GProps.hxx> |
26 | class BRepGProp_Face; |
27 | class gp_Pnt; |
28 | class BRepGProp_Domain; |
29 | |
30 | |
31 | |
32 | //! Computes the global properties of a face in 3D space. |
33 | //! The face 's requirements to evaluate the global properties |
34 | //! are defined in the template FaceTool from package GProp. |
35 | class BRepGProp_Sinert : public GProp_GProps |
36 | { |
37 | public: |
38 | |
39 | DEFINE_STANDARD_ALLOC |
40 | |
41 | |
42 | Standard_EXPORT BRepGProp_Sinert(); |
43 | |
44 | Standard_EXPORT BRepGProp_Sinert(const BRepGProp_Face& S, const gp_Pnt& SLocation); |
45 | |
46 | |
47 | //! Builds a Sinert to evaluate the global properties of |
48 | //! the face <S>. If isNaturalRestriction is true the domain of S is defined |
49 | //! with the natural bounds, else it defined with an iterator |
50 | //! of Edge from TopoDS (see DomainTool from GProp) |
51 | Standard_EXPORT BRepGProp_Sinert(BRepGProp_Face& S, BRepGProp_Domain& D, const gp_Pnt& SLocation); |
52 | |
53 | Standard_EXPORT BRepGProp_Sinert(BRepGProp_Face& S, const gp_Pnt& SLocation, const Standard_Real Eps); |
54 | |
55 | Standard_EXPORT BRepGProp_Sinert(BRepGProp_Face& S, BRepGProp_Domain& D, const gp_Pnt& SLocation, const Standard_Real Eps); |
56 | |
57 | Standard_EXPORT void SetLocation (const gp_Pnt& SLocation); |
58 | |
59 | Standard_EXPORT void Perform (const BRepGProp_Face& S); |
60 | |
61 | Standard_EXPORT void Perform (BRepGProp_Face& S, BRepGProp_Domain& D); |
62 | |
63 | Standard_EXPORT Standard_Real Perform (BRepGProp_Face& S, const Standard_Real Eps); |
64 | |
65 | Standard_EXPORT Standard_Real Perform (BRepGProp_Face& S, BRepGProp_Domain& D, const Standard_Real Eps); |
66 | |
67 | |
68 | //! If previously used method contained Eps parameter |
69 | //! get actual relative error of the computation, else return 1.0. |
70 | Standard_EXPORT Standard_Real GetEpsilon(); |
71 | |
72 | |
73 | |
74 | |
75 | protected: |
76 | |
77 | |
78 | |
79 | |
80 | |
81 | private: |
82 | |
83 | |
84 | |
85 | Standard_Real myEpsilon; |
86 | |
87 | |
88 | }; |
89 | |
90 | |
91 | |
92 | |
93 | |
94 | |
95 | |
96 | #endif // _BRepGProp_Sinert_HeaderFile |