1 // Created on: 2016-04-07
2 // Copyright (c) 2016 OPEN CASCADE SAS
3 // Created by: Oleg AGASHIN
5 // This file is part of Open CASCADE Technology software library.
7 // This library is free software; you can redistribute it and/or modify it under
8 // the terms of the GNU Lesser General Public License version 2.1 as published
9 // by the Free Software Foundation, with special exception defined in the file
10 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
11 // distribution for complete text of the license and disclaimer of any warranty.
13 // Alternatively, this file may be used under the terms of Open CASCADE
14 // commercial license or contractual agreement.
16 #ifndef _IMeshTools_Parameters_HeaderFile
17 #define _IMeshTools_Parameters_HeaderFile
19 #include <Precision.hxx>
21 //! Structure storing meshing parameters
22 struct IMeshTools_Parameters {
24 //! Default constructor
25 IMeshTools_Parameters ()
30 DeflectionInterior(-1.0),
32 InParallel (Standard_False),
33 Relative (Standard_False),
34 InternalVerticesMode (Standard_True),
35 ControlSurfaceDeflection (Standard_True),
36 CleanModel (Standard_True),
37 AdjustMinSize (Standard_False),
38 ForceFaceDeflection (Standard_False)
42 //! Returns factor used to compute default value of MinSize
43 //! (minimum mesh edge length) from deflection
44 static Standard_Real RelMinSize()
49 //! Angular deflection used to tessellate the boundary edges
52 //!Linear deflection used to tessellate the boundary edges
53 Standard_Real Deflection;
55 //! Angular deflection used to tessellate the face interior
56 Standard_Real AngleInterior;
58 //! Linear deflection used to tessellate the face interior
59 Standard_Real DeflectionInterior;
61 //! Minimum size parameter limiting size of triangle's edges to prevent
62 //! sinking into amplification in case of distorted curves and surfaces.
63 Standard_Real MinSize;
65 //! Switches on/off multi-thread computation
66 Standard_Boolean InParallel;
68 //! Switches on/off relative computation of edge tolerance<br>
69 //! If true, deflection used for the polygonalisation of each edge will be
70 //! <defle> * Size of Edge. The deflection used for the faces will be the
71 //! maximum deflection of their edges.
72 Standard_Boolean Relative;
74 //! Mode to take or not to take internal face vertices into account
75 //! in triangulation process
76 Standard_Boolean InternalVerticesMode;
78 //! Parameter to check the deviation of triangulation and interior of
80 Standard_Boolean ControlSurfaceDeflection;
82 //! Cleans temporary data model when algorithm is finished.
83 Standard_Boolean CleanModel;
85 //! Enables/disables local adjustment of min size depending on edge size.
86 //! Disabled by default.
87 Standard_Boolean AdjustMinSize;
89 //! Enables/disables usage of shape tolerances for computing face deflection.
90 //! Disabled by default.
91 Standard_Boolean ForceFaceDeflection;