include/opencascade/CSLib_NormalStatus.hxx

0001 // Created on: 1991-09-09
0002 // Created by: Michel Chauvat
0003 // Copyright (c) 1991-1999 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 _CSLib_NormalStatus_HeaderFile
0018 #define _CSLib_NormalStatus_HeaderFile
0019
0020
0021 //! if N is the normal
0022 //!
0023 //! InfinityOfSolutions : ||DN/du||>Resolution, ||DN/dv||>Resolution
0024 //!
0025 //! D1NuIsNull          : ||DN/du|| <= Resolution
0026 //!
0027 //! D1NvIsNull          : ||DN/dv|| <= Resolution
0028 //!
0029 //! D1NIsNull           : ||DN/du||<=Resolution, ||DN/dv||<=Resolution
0030 //!
0031 //! D1NuNvRatioIsNull   : ||D1Nu|| / ||D1Nv|| <= RealEpsilon
0032 //!
0033 //! D1NvNuRatioIsNull   : ||D1Nu|| / ||D1Nv|| <= RealEpsilon
0034 //!
0035 //! D1NuIsParallelD1Nv  : The angle between D1Nu and D1Nv is Null.
0036 enum CSLib_NormalStatus
0037 {
0038 CSLib_Singular,
0039 CSLib_Defined,
0040 CSLib_InfinityOfSolutions,
0041 CSLib_D1NuIsNull,
0042 CSLib_D1NvIsNull,
0043 CSLib_D1NIsNull,
0044 CSLib_D1NuNvRatioIsNull,
0045 CSLib_D1NvNuRatioIsNull,
0046 CSLib_D1NuIsParallelD1Nv
0047 };
0048
0049 #endif // _CSLib_NormalStatus_HeaderFile