1 // Created on: 1993-10-18
2 // Created by: Christophe MARION
3 // Copyright (c) 1993-1999 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 _HLRBRep_EdgeFaceTool_HeaderFile
18 #define _HLRBRep_EdgeFaceTool_HeaderFile
20 #include <Standard.hxx>
21 #include <Standard_DefineAlloc.hxx>
22 #include <Standard_Handle.hxx>
24 #include <Standard_Real.hxx>
25 #include <Standard_Address.hxx>
26 #include <Standard_Boolean.hxx>
30 //! The EdgeFaceTool computes the UV coordinates at a
31 //! given parameter on a Curve and a Surface. It also
32 //! compute the signed curvature value in a direction
33 //! at a given u,v point on a surface.
34 class HLRBRep_EdgeFaceTool
41 Standard_EXPORT static Standard_Real CurvatureValue (const Standard_Address F, const Standard_Real U, const Standard_Real V, const gp_Dir& Tg);
43 //! return True if U and V are found.
44 Standard_EXPORT static Standard_Boolean UVPoint (const Standard_Real Par, const Standard_Address E, const Standard_Address F, Standard_Real& U, Standard_Real& V);
69 #endif // _HLRBRep_EdgeFaceTool_HeaderFile