0022048: Visualization, AIS_InteractiveContext - single object selection should alway...
[occt.git] / src / CSLib / CSLib_NormalStatus.hxx
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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_NormalStatus_HeaderFile
18#define _CSLib_NormalStatus_HeaderFile
19
20
21//! if N is the normal
22//!
23//! InfinityOfSolutions : ||DN/du||>Resolution, ||DN/dv||>Resolution
24//!
25//! D1NuIsNull : ||DN/du|| <= Resolution
26//!
27//! D1NvIsNull : ||DN/dv|| <= Resolution
28//!
29//! D1NIsNull : ||DN/du||<=Resolution, ||DN/dv||<=Resolution
30//!
31//! D1NuNvRatioIsNull : ||D1Nu|| / ||D1Nv|| <= RealEpsilon
32//!
33//! D1NvNuRatioIsNull : ||D1Nu|| / ||D1Nv|| <= RealEpsilon
34//!
35//! D1NuIsParallelD1Nv : The angle between D1Nu and D1Nv is Null.
36enum CSLib_NormalStatus
37{
38CSLib_Singular,
39CSLib_Defined,
40CSLib_InfinityOfSolutions,
41CSLib_D1NuIsNull,
42CSLib_D1NvIsNull,
43CSLib_D1NIsNull,
44CSLib_D1NuNvRatioIsNull,
45CSLib_D1NvNuRatioIsNull,
46CSLib_D1NuIsParallelD1Nv
47};
48
49#endif // _CSLib_NormalStatus_HeaderFile