include/opencascade/Plate_D2.hxx

0001 // Created on: 1995-10-19
0002 // Created by: Andre LIEUTIER
0003 // Copyright (c) 1995-1999 Matra Datavision
0004 // Copyright (c) 1999-2014 OPEN CASCADE SAS
0005 //
0006 // This file is part of Open CASCADE Technology software library.
0007 //
0008 // This library is free software; you can redistribute it and/or modify it under
0009 // the terms of the GNU Lesser General Public License version 2.1 as published
0010 // by the Free Software Foundation, with special exception defined in the file
0011 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
0012 // distribution for complete text of the license and disclaimer of any warranty.
0013 //
0014 // Alternatively, this file may be used under the terms of Open CASCADE
0015 // commercial license or contractual agreement.
0016
0017 #ifndef _Plate_D2_HeaderFile
0018 #define _Plate_D2_HeaderFile
0019
0020 #include <Standard.hxx>
0021 #include <Standard_DefineAlloc.hxx>
0022 #include <Standard_Handle.hxx>
0023
0024 #include <gp_XYZ.hxx>
0025
0026
0027 //! define an order 2 derivatives of a 3d valued
0028 //! function of a 2d variable
0029 class Plate_D2
0030 {
0031 public:
0032
0033   DEFINE_STANDARD_ALLOC
0034
0035
0036   Standard_EXPORT Plate_D2(const gp_XYZ& duu, const gp_XYZ& duv, const gp_XYZ& dvv);
0037
0038   Standard_EXPORT Plate_D2(const Plate_D2& ref);
0039
0040
0041 friend class Plate_GtoCConstraint;
0042 friend class Plate_FreeGtoCConstraint;
0043
0044
0045 protected:
0046
0047
0048
0049
0050
0051 private:
0052
0053
0054
0055   gp_XYZ Duu;
0056   gp_XYZ Duv;
0057   gp_XYZ Dvv;
0058
0059
0060 };
0061
0062
0063
0064
0065
0066
0067
0068 #endif // _Plate_D2_HeaderFile