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1 | // Created on: 1998-09-16 |
2 | // Created by: Roman LYGIN |
3 | // Copyright (c) 1998-1999 Matra Datavision |
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4 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
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5 | // |
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6 | // This file is part of Open CASCADE Technology software library. |
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7 | // |
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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 |
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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. |
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13 | // |
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14 | // Alternatively, this file may be used under the terms of Open CASCADE |
15 | // commercial license or contractual agreement. |
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16 | |
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17 | // 25.12.98 pdn: renaming methods GetWires and GetEdges to GetClosedWires |
18 | // and GetOpenWires respectively |
19 | |
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20 | #include <BRep_Builder.hxx> |
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21 | #include <ShapeAnalysis_FreeBounds.hxx> |
22 | #include <ShapeExtend_Explorer.hxx> |
23 | #include <ShapeFix_FreeBounds.hxx> |
24 | #include <TopExp_Explorer.hxx> |
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25 | #include <TopoDS.hxx> |
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26 | #include <TopoDS_Compound.hxx> |
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27 | #include <TopoDS_Edge.hxx> |
28 | #include <TopoDS_Iterator.hxx> |
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29 | #include <TopoDS_Shape.hxx> |
30 | #include <TopoDS_Vertex.hxx> |
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31 | #include <TopTools_DataMapOfShapeShape.hxx> |
32 | |
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33 | //======================================================================= |
34 | //function : ShapeFix_FreeBounds |
35 | //purpose : |
36 | //======================================================================= |
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37 | ShapeFix_FreeBounds::ShapeFix_FreeBounds() |
38 | : myShared(Standard_False), |
39 | mySewToler(0.0), |
40 | myCloseToler(0.0), |
41 | mySplitClosed(Standard_False), |
42 | mySplitOpen(Standard_False) |
43 | { |
44 | } |
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45 | |
46 | //======================================================================= |
47 | //function : ShapeFix_FreeBounds |
48 | //purpose : |
49 | //======================================================================= |
50 | |
51 | ShapeFix_FreeBounds::ShapeFix_FreeBounds(const TopoDS_Shape& shape, |
52 | const Standard_Real sewtoler, |
53 | const Standard_Real closetoler, |
54 | const Standard_Boolean splitclosed, |
55 | const Standard_Boolean splitopen) : |
56 | myShared (Standard_False), mySewToler (sewtoler), myCloseToler (closetoler), |
57 | mySplitClosed (splitclosed), mySplitOpen (splitopen) |
58 | { |
59 | myShape = shape; |
60 | Perform(); |
61 | } |
62 | |
63 | //======================================================================= |
64 | //function : ShapeFix_FreeBounds |
65 | //purpose : |
66 | //======================================================================= |
67 | |
68 | ShapeFix_FreeBounds::ShapeFix_FreeBounds(const TopoDS_Shape& shape, |
69 | const Standard_Real closetoler, |
70 | const Standard_Boolean splitclosed, |
71 | const Standard_Boolean splitopen): |
72 | myShared (Standard_True), mySewToler (0.), myCloseToler (closetoler), |
73 | mySplitClosed (splitclosed), mySplitOpen (splitopen) |
74 | { |
75 | myShape = shape; |
76 | Perform(); |
77 | } |
78 | |
79 | //======================================================================= |
80 | //function : Perform |
81 | //purpose : |
82 | //======================================================================= |
83 | |
84 | Standard_Boolean ShapeFix_FreeBounds::Perform() |
85 | { |
86 | ShapeAnalysis_FreeBounds safb; |
87 | if (myShared) |
88 | safb = ShapeAnalysis_FreeBounds (myShape, mySplitClosed, mySplitOpen); |
89 | else |
90 | safb = ShapeAnalysis_FreeBounds (myShape, mySewToler, mySplitClosed, mySplitOpen); |
91 | |
92 | myWires = safb.GetClosedWires(); |
93 | myEdges = safb.GetOpenWires(); |
94 | |
95 | if (myCloseToler > mySewToler) { |
96 | ShapeExtend_Explorer see; |
97 | Handle(TopTools_HSequenceOfShape) newwires, |
98 | open = see.SeqFromCompound (myEdges, |
99 | Standard_False); |
100 | TopTools_DataMapOfShapeShape vertices; |
101 | ShapeAnalysis_FreeBounds::ConnectWiresToWires (open, myCloseToler, myShared, |
102 | newwires, vertices); |
103 | myEdges.Nullify(); |
104 | ShapeAnalysis_FreeBounds::DispatchWires (newwires, myWires, myEdges); |
105 | |
106 | for( TopExp_Explorer exp (myShape, TopAbs_EDGE); exp.More(); exp.Next()) { |
107 | TopoDS_Edge Edge = TopoDS::Edge(exp.Current()); |
108 | for( TopoDS_Iterator iter (Edge); iter.More(); iter.Next()) { |
109 | TopoDS_Vertex V = TopoDS::Vertex (iter.Value()); |
110 | BRep_Builder B; |
111 | TopoDS_Vertex newV; |
112 | if( vertices.IsBound(V)) { |
113 | newV = TopoDS::Vertex (vertices.Find(V)); |
114 | newV.Orientation(V.Orientation()); |
115 | B.Remove(Edge, V); |
116 | B.Add(Edge, newV); |
117 | } |
118 | } |
119 | } |
120 | } |
121 | return Standard_True; |
122 | } |