include/opencascade/HLRBRep_EdgeFaceTool.hxx

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 class gp_Dir;
0024
0025
0026 //! The EdgeFaceTool computes the  UV coordinates at a
0027 //! given parameter on a Curve and a Surface.  It also
0028 //! compute the signed  curvature value in a direction
0029 //! at a given u,v point on a surface.
0030 class HLRBRep_EdgeFaceTool
0031 {
0032 public:
0033
0034   DEFINE_STANDARD_ALLOC
0035
0036
0037   Standard_EXPORT static Standard_Real CurvatureValue (const Standard_Address F, const Standard_Real U, const Standard_Real V, const gp_Dir& Tg);
0038
0039   //! return True if U and V are found.
0040   Standard_EXPORT static Standard_Boolean UVPoint (const Standard_Real Par, const Standard_Address E, const Standard_Address F, Standard_Real& U, Standard_Real& V);
0041
0042
0043
0044
0045 protected:
0046
0047
0048
0049
0050
0051 private:
0052
0053
0054
0055
0056
0057 };
0058
0059
0060
0061
0062
0063
0064
0065 #endif // _HLRBRep_EdgeFaceTool_HeaderFile