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b311480e | 1 | // Created on: 1995-10-23 |
2 | // Created by: Yves FRICAUD | |
3 | // Copyright (c) 1995-1999 Matra Datavision | |
4 | // Copyright (c) 1999-2012 OPEN CASCADE SAS | |
5 | // | |
6 | // The content of this file is subject to the Open CASCADE Technology Public | |
7 | // License Version 6.5 (the "License"). You may not use the content of this file | |
8 | // except in compliance with the License. Please obtain a copy of the License | |
9 | // at http://www.opencascade.org and read it completely before using this file. | |
10 | // | |
11 | // The Initial Developer of the Original Code is Open CASCADE S.A.S., having its | |
12 | // main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France. | |
13 | // | |
14 | // The Original Code and all software distributed under the License is | |
15 | // distributed on an "AS IS" basis, without warranty of any kind, and the | |
16 | // Initial Developer hereby disclaims all such warranties, including without | |
17 | // limitation, any warranties of merchantability, fitness for a particular | |
18 | // purpose or non-infringement. Please see the License for the specific terms | |
19 | // and conditions governing the rights and limitations under the License. | |
20 | ||
7fd59977 | 21 | |
22 | ||
23 | #include <BRepAlgo_Tool.ixx> | |
24 | ||
25 | #include <TopTools_ListOfShape.hxx> | |
26 | #include <TopTools_IndexedDataMapOfShapeListOfShape.hxx> | |
27 | #include <TopExp.hxx> | |
28 | #include <BRep_Builder.hxx> | |
29 | #include <BRep_Tool.hxx> | |
30 | #include <TopoDS.hxx> | |
31 | #include <TopoDS_Iterator.hxx> | |
32 | #include <TopoDS_Edge.hxx> | |
33 | ||
34 | ||
b311480e | 35 | |
7fd59977 | 36 | |
37 | //======================================================================= | |
38 | //function : Deboucle3D | |
39 | //purpose : | |
40 | //======================================================================= | |
41 | ||
42 | TopoDS_Shape BRepAlgo_Tool::Deboucle3D(const TopoDS_Shape& S, | |
43 | const TopTools_MapOfShape& Boundary) | |
44 | { | |
45 | TopoDS_Shape SS; | |
46 | ||
47 | switch ( S.ShapeType()) { | |
48 | case TopAbs_FACE: | |
49 | { | |
50 | } | |
51 | break; | |
52 | case TopAbs_SHELL: | |
53 | { | |
0d969553 Y |
54 | // if the shell contains free borders that do not belong to the |
55 | // free borders of caps ( Boundary) it is removed. | |
7fd59977 | 56 | TopTools_IndexedDataMapOfShapeListOfShape Map; |
57 | TopExp::MapShapesAndAncestors(S,TopAbs_EDGE,TopAbs_FACE,Map); | |
58 | ||
59 | Standard_Boolean JeGarde = Standard_True; | |
60 | for ( Standard_Integer i = 1; i <= Map.Extent() && JeGarde; i++) { | |
61 | if (Map(i).Extent() < 2) { | |
62 | const TopoDS_Edge& anEdge = TopoDS::Edge(Map.FindKey(i)); | |
63 | if (!Boundary.Contains(anEdge) && | |
64 | !BRep_Tool::Degenerated(anEdge) ) | |
65 | JeGarde = Standard_False; | |
66 | } | |
67 | } | |
68 | if ( JeGarde) SS = S; | |
69 | } | |
70 | break; | |
71 | case TopAbs_COMPOUND: | |
72 | case TopAbs_SOLID: | |
73 | { | |
0d969553 | 74 | // iterate on sub-shapes and add non-empty. |
7fd59977 | 75 | TopoDS_Iterator it(S); |
76 | TopoDS_Shape SubShape; | |
77 | Standard_Boolean NbSub = 0; | |
78 | BRep_Builder B; | |
79 | if (S.ShapeType() == TopAbs_COMPOUND) { | |
80 | B.MakeCompound(TopoDS::Compound(SS)); | |
81 | } | |
82 | else { | |
83 | B.MakeSolid(TopoDS::Solid(SS)); | |
84 | } | |
85 | for ( ; it.More(); it.Next()) { | |
86 | const TopoDS_Shape& CurS = it.Value(); | |
87 | SubShape = Deboucle3D(CurS,Boundary); | |
88 | if ( !SubShape.IsNull()) { | |
89 | B.Add(SS, SubShape); | |
90 | NbSub++; | |
91 | } | |
92 | } | |
93 | if (NbSub == 0) SS = TopoDS_Shape(); | |
94 | } | |
95 | break; | |
96 | default: | |
97 | break; | |
98 | } | |
99 | return SS; | |
100 | } |