include/opencascade/GeomFill_TgtOnCoons.hxx

0001 // Created on: 1995-12-04
0002 // Created by: Laurent BOURESCHE
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 _GeomFill_TgtOnCoons_HeaderFile
0018 #define _GeomFill_TgtOnCoons_HeaderFile
0019
0020 #include <Standard.hxx>
0021 #include <Standard_Type.hxx>
0022
0023 #include <Standard_Integer.hxx>
0024 #include <GeomFill_TgtField.hxx>
0025 class GeomFill_CoonsAlgPatch;
0026 class gp_Vec;
0027
0028 //! Defines an algorithmic tangents field on a
0029 //! boundary of a CoonsAlgPatch.
0030 class GeomFill_TgtOnCoons : public GeomFill_TgtField
0031 {
0032
0033 public:
0034   Standard_EXPORT GeomFill_TgtOnCoons(const occ::handle<GeomFill_CoonsAlgPatch>& K, const int I);
0035
0036   //! Computes the value of the field of tangency at
0037   //! parameter W.
0038   Standard_EXPORT gp_Vec Value(const double W) const override;
0039
0040   //! Computes the derivative of the field of tangency at
0041   //! parameter W.
0042   Standard_EXPORT gp_Vec D1(const double W) const override;
0043
0044   //! Computes the value and the derivative of the field of
0045   //! tangency at parameter W.
0046   Standard_EXPORT void D1(const double W, gp_Vec& T, gp_Vec& DT) const override;
0047
0048   DEFINE_STANDARD_RTTIEXT(GeomFill_TgtOnCoons, GeomFill_TgtField)
0049
0050 private:
0051   occ::handle<GeomFill_CoonsAlgPatch> myK;
0052   int                                 ibound;
0053 };
0054
0055 #endif // _GeomFill_TgtOnCoons_HeaderFile