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1 | // Created on: 1995-09-04 |
2 | // Created by: Jacques GOUSSARD |
3 | // Copyright (c) 1995-1999 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 _BRepFeat_SplitShape_HeaderFile |
18 | #define _BRepFeat_SplitShape_HeaderFile |
19 | |
20 | #include <Standard.hxx> |
21 | #include <Standard_DefineAlloc.hxx> |
22 | #include <Standard_Handle.hxx> |
23 | |
24 | #include <LocOpe_Spliter.hxx> |
25 | #include <BRepBuilderAPI_MakeShape.hxx> |
26 | #include <Standard_Boolean.hxx> |
27 | #include <TopTools_ListOfShape.hxx> |
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28 | #include <TopTools_SequenceOfShape.hxx> |
29 | |
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30 | class LocOpe_WiresOnShape; |
31 | class StdFail_NotDone; |
32 | class Standard_ConstructionError; |
33 | class Standard_NoSuchObject; |
34 | class TopoDS_Shape; |
35 | class TopoDS_Wire; |
36 | class TopoDS_Face; |
37 | class TopoDS_Edge; |
38 | class TopoDS_Compound; |
39 | |
40 | |
41 | //! One of the most significant aspects of BRepFeat functionality is the use of local |
42 | //! operations as opposed to global ones. In a global operation, you would first construct a |
43 | //! form of the type you wanted in your final feature, and then remove matter so that it could |
44 | //! fit into your initial basis object. In a local operation, however, you specify the domain of |
45 | //! the feature construction with aspects of the shape on which the feature is being created. |
46 | //! These semantics are expressed in terms of a member shape of the basis shape from which - |
47 | //! or up to which - matter will be added or removed. As a result, local operations make |
48 | //! calculations simpler and faster than global operations. |
49 | //! In BRepFeat, the semantics of local operations define features constructed from a contour or a |
50 | //! part of the basis shape referred to as the tool. In a SplitShape object, wires or edges of a |
51 | //! face in the basis shape to be used as a part of the feature are cut out and projected to a plane |
52 | //! outside or inside the basis shape. By rebuilding the initial shape incorporating the edges and |
53 | //! the faces of the tool, protrusion or depression features can be constructed. |
54 | class BRepFeat_SplitShape : public BRepBuilderAPI_MakeShape |
55 | { |
56 | public: |
57 | |
58 | DEFINE_STANDARD_ALLOC |
59 | |
60 | |
61 | //! Empty constructor |
62 | BRepFeat_SplitShape(); |
63 | |
64 | //! Creates the process with the shape <S>. |
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65 | BRepFeat_SplitShape(const TopoDS_Shape& S); |
66 | |
67 | //! Add splitting edges or wires for whole initial shape |
68 | //! withot additional specification edge->face, edge->edge |
69 | //! This method puts edge on the corresponding faces from initial shape |
70 | Standard_EXPORT Standard_Boolean Add(const TopTools_SequenceOfShape& theEdges); |
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71 | |
72 | //! Initializes the process on the shape <S>. |
73 | void Init (const TopoDS_Shape& S); |
74 | |
75 | //! Set the flag of check internal intersections |
76 | //! default value is True (to check) |
77 | void SetCheckInterior (const Standard_Boolean ToCheckInterior); |
78 | |
79 | //! Adds the wire <W> on the face <F>. |
80 | //! Raises NoSuchObject if <F> does not belong to the original shape. |
81 | void Add (const TopoDS_Wire& W, const TopoDS_Face& F); |
82 | |
83 | //! Adds the edge <E> on the face <F>. |
84 | void Add (const TopoDS_Edge& E, const TopoDS_Face& F); |
85 | |
86 | //! Adds the compound <Comp> on the face <F>. The |
87 | //! compound <Comp> must consist of edges lying on the |
88 | //! face <F>. If edges are geometrically connected, |
89 | //! they must be connected topologically, i.e. they |
90 | //! must share common vertices. |
91 | //! |
92 | //! Raises NoSuchObject if <F> does not belong to the original shape. |
93 | void Add (const TopoDS_Compound& Comp, const TopoDS_Face& F); |
94 | |
95 | //! Adds the edge <E> on the existing edge <EOn>. |
96 | void Add (const TopoDS_Edge& E, const TopoDS_Edge& EOn); |
97 | |
98 | //! Returns the faces which are the left of the |
99 | //! projected wires. |
100 | Standard_EXPORT const TopTools_ListOfShape& DirectLeft() const; |
101 | |
102 | //! Returns the faces of the "left" part on the shape. |
103 | //! (It is build from DirectLeft, with the faces |
104 | //! connected to this set, and so on...). |
105 | //! Raises NotDone if IsDone returns <Standard_False>. |
106 | Standard_EXPORT const TopTools_ListOfShape& Left() const; |
107 | |
108 | //! Builds the cut and the resulting faces and edges as well. |
109 | Standard_EXPORT void Build() Standard_OVERRIDE; |
110 | |
111 | //! Returns true if the shape has been deleted. |
112 | Standard_EXPORT virtual Standard_Boolean IsDeleted (const TopoDS_Shape& S) Standard_OVERRIDE; |
113 | |
114 | //! Returns the list of generated Faces. |
115 | Standard_EXPORT const TopTools_ListOfShape& Modified (const TopoDS_Shape& F) Standard_OVERRIDE; |
116 | |
117 | |
118 | |
119 | |
120 | protected: |
121 | |
122 | |
123 | |
124 | |
125 | |
126 | private: |
127 | |
128 | |
129 | |
130 | LocOpe_Spliter mySShape; |
131 | Handle(LocOpe_WiresOnShape) myWOnShape; |
132 | |
133 | |
134 | }; |
135 | |
136 | |
137 | #include <BRepFeat_SplitShape.lxx> |
138 | |
139 | |
140 | |
141 | |
142 | |
143 | #endif // _BRepFeat_SplitShape_HeaderFile |