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File indexing completed on 2026-09-20 09:17:52

0001 // Created on: 1993-10-18
0002 // Created by: Christophe MARION
0003 // Copyright (c) 1993-1999 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 _HLRBRep_EdgeFaceTool_HeaderFile
0018 #define _HLRBRep_EdgeFaceTool_HeaderFile
0019 
0020 #include <Standard.hxx>
0021 #include <Standard_DefineAlloc.hxx>
0022 
0023 #include <HLRBRep_TypeDef.hxx>
0024 
0025 class gp_Dir;
0026 
0027 //! The EdgeFaceTool computes the UV coordinates at a
0028 //! given parameter on a Curve and a Surface. It also
0029 //! compute the signed curvature value in a direction
0030 //! at a given u,v point on a surface.
0031 class HLRBRep_EdgeFaceTool
0032 {
0033 public:
0034   DEFINE_STANDARD_ALLOC
0035 
0036   Standard_EXPORT static double CurvatureValue(const HLRBRep_SurfacePtr F,
0037                                                const double             U,
0038                                                const double             V,
0039                                                const gp_Dir&            Tg);
0040 
0041   //! return True if U and V are found.
0042   Standard_EXPORT static bool UVPoint(const double             Par,
0043                                       const HLRBRep_CurvePtr   E,
0044                                       const HLRBRep_SurfacePtr F,
0045                                       double&                  U,
0046                                       double&                  V);
0047 };
0048 
0049 #endif // _HLRBRep_EdgeFaceTool_HeaderFile