1 // Created on: 1995-12-04
2 // Created by: Laurent BOURESCHE
3 // Copyright (c) 1995-1999 Matra Datavision
4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
6 // This file is part of Open CASCADE Technology software library.
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.
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
17 #ifndef _GeomFill_TgtOnCoons_HeaderFile
18 #define _GeomFill_TgtOnCoons_HeaderFile
20 #include <Standard.hxx>
21 #include <Standard_Type.hxx>
23 #include <Standard_Integer.hxx>
24 #include <GeomFill_TgtField.hxx>
25 #include <Standard_Real.hxx>
26 class GeomFill_CoonsAlgPatch;
30 class GeomFill_TgtOnCoons;
31 DEFINE_STANDARD_HANDLE(GeomFill_TgtOnCoons, GeomFill_TgtField)
33 //! Defines an algorithmic tangents field on a
34 //! boundary of a CoonsAlgPatch.
35 class GeomFill_TgtOnCoons : public GeomFill_TgtField
41 Standard_EXPORT GeomFill_TgtOnCoons(const Handle(GeomFill_CoonsAlgPatch)& K, const Standard_Integer I);
43 //! Computes the value of the field of tangency at
45 Standard_EXPORT gp_Vec Value (const Standard_Real W) const Standard_OVERRIDE;
47 //! Computes the derivative of the field of tangency at
49 Standard_EXPORT gp_Vec D1 (const Standard_Real W) const Standard_OVERRIDE;
51 //! Computes the value and the derivative of the field of
52 //! tangency at parameter W.
53 Standard_EXPORT void D1 (const Standard_Real W, gp_Vec& T, gp_Vec& DT) const Standard_OVERRIDE;
58 DEFINE_STANDARD_RTTIEXT(GeomFill_TgtOnCoons,GeomFill_TgtField)
68 Handle(GeomFill_CoonsAlgPatch) myK;
69 Standard_Integer ibound;
80 #endif // _GeomFill_TgtOnCoons_HeaderFile