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1 | // Created on: 1998-06-03 |
2 | // Created by: data exchange team |
3 | // Copyright (c) 1998-1999 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 _ShapeAnalysis_ShapeTolerance_HeaderFile |
18 | #define _ShapeAnalysis_ShapeTolerance_HeaderFile |
19 | |
20 | #include <Standard.hxx> |
21 | #include <Standard_DefineAlloc.hxx> |
22 | #include <Standard_Handle.hxx> |
23 | |
24 | #include <Standard_Real.hxx> |
25 | #include <Standard_Integer.hxx> |
26 | #include <TopAbs_ShapeEnum.hxx> |
27 | #include <TopTools_HSequenceOfShape.hxx> |
28 | class TopoDS_Shape; |
29 | |
30 | |
31 | //! Tool for computing shape tolerances (minimal, maximal, average), |
32 | //! finding shape with tolerance matching given criteria, |
33 | //! setting or limitating tolerances. |
34 | class ShapeAnalysis_ShapeTolerance |
35 | { |
36 | public: |
37 | |
38 | DEFINE_STANDARD_ALLOC |
39 | |
40 | |
41 | //! Empty constructor |
42 | Standard_EXPORT ShapeAnalysis_ShapeTolerance(); |
43 | |
44 | //! Determines a tolerance from the ones stored in a shape |
45 | //! Remark : calls InitTolerance and AddTolerance, |
46 | //! hence, can be used to start a series for cumulating tolerance |
47 | //! <mode> = 0 : returns the average value between sub-shapes, |
48 | //! <mode> > 0 : returns the maximal found, |
49 | //! <mode> < 0 : returns the minimal found. |
50 | //! <type> defines what kinds of sub-shapes to consider: |
51 | //! SHAPE (default) : all : VERTEX, EDGE, FACE, |
52 | //! VERTEX : only vertices, |
53 | //! EDGE : only edges, |
54 | //! FACE : only faces, |
55 | //! SHELL : combined SHELL + FACE, for each face (and containing |
56 | //! shell), also checks EDGE and VERTEX |
57 | Standard_EXPORT Standard_Real Tolerance (const TopoDS_Shape& shape, const Standard_Integer mode, const TopAbs_ShapeEnum type = TopAbs_SHAPE); |
58 | |
59 | //! Determines which shapes have a tolerance over the given value |
60 | //! <type> is interpreted as in the method Tolerance |
61 | Standard_EXPORT Handle(TopTools_HSequenceOfShape) OverTolerance (const TopoDS_Shape& shape, const Standard_Real value, const TopAbs_ShapeEnum type = TopAbs_SHAPE) const; |
62 | |
63 | //! Determines which shapes have a tolerance within a given interval |
64 | //! <type> is interpreted as in the method Tolerance |
65 | Standard_EXPORT Handle(TopTools_HSequenceOfShape) InTolerance (const TopoDS_Shape& shape, const Standard_Real valmin, const Standard_Real valmax, const TopAbs_ShapeEnum type = TopAbs_SHAPE) const; |
66 | |
67 | //! Initializes computation of cumulated tolerance |
68 | Standard_EXPORT void InitTolerance(); |
69 | |
70 | //! Adds data on new Shape to compute Cumulated Tolerance |
71 | //! (prepares three computations : maximal, average, minimal) |
72 | Standard_EXPORT void AddTolerance (const TopoDS_Shape& shape, const TopAbs_ShapeEnum type = TopAbs_SHAPE); |
73 | |
74 | //! Returns the computed tolerance according to the <mode> |
75 | //! <mode> = 0 : average |
76 | //! <mode> > 0 : maximal |
77 | //! <mode> < 0 : minimal |
78 | Standard_EXPORT Standard_Real GlobalTolerance (const Standard_Integer mode) const; |
79 | |
80 | |
81 | |
82 | |
83 | protected: |
84 | |
85 | |
86 | |
87 | |
88 | |
89 | private: |
90 | |
91 | |
92 | |
93 | Standard_Real myTols[3]; |
94 | Standard_Integer myNbTol; |
95 | |
96 | |
97 | }; |
98 | |
99 | |
100 | |
101 | |
102 | |
103 | |
104 | |
105 | #endif // _ShapeAnalysis_ShapeTolerance_HeaderFile |