include/opencascade/Plate_D1.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_D1_HeaderFile
0018 #define _Plate_D1_HeaderFile
0019
0020 #include <Standard.hxx>
0021 #include <Standard_DefineAlloc.hxx>
0022 #include <Standard_Handle.hxx>
0023
0024 #include <gp_XYZ.hxx>
0025
0026 //! define an order 1 derivatives of a 3d valued
0027 //! function of a 2d variable
0028 class Plate_D1
0029 {
0030 public:
0031   DEFINE_STANDARD_ALLOC
0032
0033   Standard_EXPORT Plate_D1(const gp_XYZ& du, const gp_XYZ& dv);
0034
0035   Standard_EXPORT Plate_D1(const Plate_D1& ref);
0036
0037   const gp_XYZ& DU() const;
0038
0039   const gp_XYZ& DV() const;
0040
0041   friend class Plate_GtoCConstraint;
0042   friend class Plate_FreeGtoCConstraint;
0043
0044 protected:
0045 private:
0046   gp_XYZ Du;
0047   gp_XYZ Dv;
0048 };
0049
0050 #include <Plate_D1.lxx>
0051
0052 #endif // _Plate_D1_HeaderFile