[occt.git] / src / CSLib / CSLib_DerivativeStatus.hxx

// Created on: 1991-09-09
// Created by: Michel Chauvat
// Copyright (c) 1991-1999 Matra Datavision
// Copyright (c) 1999-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.

#ifndef _CSLib_DerivativeStatus_HeaderFile
#define _CSLib_DerivativeStatus_HeaderFile


//! D1uIsNull : ||D1U|| <= Resolution
//!
//! D1vIsNull : ||D1V|| <= Resolution
//!
//! D1IsNull  : the first derivatives in the U and V parametric
//! directions have null length  :
//! ||D1U|| <= Resolution and ||D1V|| <= Resolution
//!
//! D1uD1vRatioIsNull : the first derivative in the U direction has
//! null length by comparison with the derivative
//! in the V direction
//! ||D1U|| / ||D1V|| <= RealEpsilon
//!
//! D1vD1uRatioIsNull : the first derivative in the V direction has
//! null length by comparison with the derivative
//! in the U direction
//! ||D1V|| / ||D1U|| <= RealEpsilon
//!
//! D1uIsParallelD1v : the angle between the derivatives in the U and
//! V direction is null (tolerance criterion given
//! as input data)
enum CSLib_DerivativeStatus
{
CSLib_Done,
CSLib_D1uIsNull,
CSLib_D1vIsNull,
CSLib_D1IsNull,
CSLib_D1uD1vRatioIsNull,
CSLib_D1vD1uRatioIsNull,
CSLib_D1uIsParallelD1v
};

#endif // _CSLib_DerivativeStatus_HeaderFile
Commit	Line	Data
42cf5bc1	1	// Created on: 1991-09-09
	2	// Created by: Michel Chauvat
	3	// Copyright (c) 1991-1999 Matra Datavision
	4	// Copyright (c) 1999-2014 OPEN CASCADE SAS
	5	//
	6	// This file is part of Open CASCADE Technology software library.
	7	//
	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.
	13	//
	14	// Alternatively, this file may be used under the terms of Open CASCADE
	15	// commercial license or contractual agreement.
	16
	17	#ifndef _CSLib_DerivativeStatus_HeaderFile
	18	#define _CSLib_DerivativeStatus_HeaderFile
	19
	20
	21	//! D1uIsNull : \|\|D1U\|\| <= Resolution
	22	//!
	23	//! D1vIsNull : \|\|D1V\|\| <= Resolution
	24	//!
	25	//! D1IsNull : the first derivatives in the U and V parametric
	26	//! directions have null length :
	27	//! \|\|D1U\|\| <= Resolution and \|\|D1V\|\| <= Resolution
	28	//!
	29	//! D1uD1vRatioIsNull : the first derivative in the U direction has
	30	//! null length by comparison with the derivative
	31	//! in the V direction
	32	//! \|\|D1U\|\| / \|\|D1V\|\| <= RealEpsilon
	33	//!
	34	//! D1vD1uRatioIsNull : the first derivative in the V direction has
	35	//! null length by comparison with the derivative
	36	//! in the U direction
	37	//! \|\|D1V\|\| / \|\|D1U\|\| <= RealEpsilon
	38	//!
	39	//! D1uIsParallelD1v : the angle between the derivatives in the U and
	40	//! V direction is null (tolerance criterion given
	41	//! as input data)
	42	enum CSLib_DerivativeStatus
	43	{
	44	CSLib_Done,
	45	CSLib_D1uIsNull,
	46	CSLib_D1vIsNull,
	47	CSLib_D1IsNull,
	48	CSLib_D1uD1vRatioIsNull,
	49	CSLib_D1vD1uRatioIsNull,
	50	CSLib_D1uIsParallelD1v
	51	};
	52
	53	#endif // _CSLib_DerivativeStatus_HeaderFile