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File indexing completed on 2025-01-18 10:03:23
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_DerivativeStatus_HeaderFile 0018 #define _CSLib_DerivativeStatus_HeaderFile 0019 0020 0021 //! D1uIsNull : ||D1U|| <= Resolution 0022 //! 0023 //! D1vIsNull : ||D1V|| <= Resolution 0024 //! 0025 //! D1IsNull : the first derivatives in the U and V parametric 0026 //! directions have null length : 0027 //! ||D1U|| <= Resolution and ||D1V|| <= Resolution 0028 //! 0029 //! D1uD1vRatioIsNull : the first derivative in the U direction has 0030 //! null length by comparison with the derivative 0031 //! in the V direction 0032 //! ||D1U|| / ||D1V|| <= RealEpsilon 0033 //! 0034 //! D1vD1uRatioIsNull : the first derivative in the V direction has 0035 //! null length by comparison with the derivative 0036 //! in the U direction 0037 //! ||D1V|| / ||D1U|| <= RealEpsilon 0038 //! 0039 //! D1uIsParallelD1v : the angle between the derivatives in the U and 0040 //! V direction is null (tolerance criterion given 0041 //! as input data) 0042 enum CSLib_DerivativeStatus 0043 { 0044 CSLib_Done, 0045 CSLib_D1uIsNull, 0046 CSLib_D1vIsNull, 0047 CSLib_D1IsNull, 0048 CSLib_D1uD1vRatioIsNull, 0049 CSLib_D1vD1uRatioIsNull, 0050 CSLib_D1uIsParallelD1v 0051 }; 0052 0053 #endif // _CSLib_DerivativeStatus_HeaderFile
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