42cf5bc1 |
1 | // Created on: 1995-10-19 |
2 | // Created by: Andre LIEUTIER |
3 | // Copyright (c) 1995-1999 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 _Plate_D2_HeaderFile |
18 | #define _Plate_D2_HeaderFile |
19 | |
20 | #include <Standard.hxx> |
21 | #include <Standard_DefineAlloc.hxx> |
22 | #include <Standard_Handle.hxx> |
23 | |
24 | #include <gp_XYZ.hxx> |
25 | class Plate_GtoCConstraint; |
26 | class Plate_FreeGtoCConstraint; |
27 | class gp_XYZ; |
28 | |
29 | |
30 | //! define an order 2 derivatives of a 3d valued |
31 | //! function of a 2d variable |
32 | class Plate_D2 |
33 | { |
34 | public: |
35 | |
36 | DEFINE_STANDARD_ALLOC |
37 | |
38 | |
39 | Standard_EXPORT Plate_D2(const gp_XYZ& duu, const gp_XYZ& duv, const gp_XYZ& dvv); |
40 | |
41 | Standard_EXPORT Plate_D2(const Plate_D2& ref); |
42 | |
43 | |
44 | friend class Plate_GtoCConstraint; |
45 | friend class Plate_FreeGtoCConstraint; |
46 | |
47 | |
48 | protected: |
49 | |
50 | |
51 | |
52 | |
53 | |
54 | private: |
55 | |
56 | |
57 | |
58 | gp_XYZ Duu; |
59 | gp_XYZ Duv; |
60 | gp_XYZ Dvv; |
61 | |
62 | |
63 | }; |
64 | |
65 | |
66 | |
67 | |
68 | |
69 | |
70 | |
71 | #endif // _Plate_D2_HeaderFile |