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1 | // Created on: 1998-07-22 |
2 | // Created by: Philippe MANGIN |
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 | |
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18 | #include <BRep_Builder.hxx> |
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19 | #include <BRepFill_Section.hxx> |
20 | #include <TopoDS.hxx> |
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21 | #include <TopoDS_Edge.hxx> |
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22 | #include <TopoDS_Shape.hxx> |
23 | #include <TopoDS_Vertex.hxx> |
24 | #include <TopoDS_Wire.hxx> |
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25 | #include <TopoDS_Iterator.hxx> |
26 | #include <TopExp_Explorer.hxx> |
27 | #include <ShapeUpgrade_RemoveLocations.hxx> |
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28 | |
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29 | BRepFill_Section::BRepFill_Section() :islaw(0), |
30 | ispunctual(0), |
31 | contact(0), |
32 | correction(0) |
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33 | { |
34 | } |
35 | |
36 | |
37 | BRepFill_Section::BRepFill_Section(const TopoDS_Shape& Profile, |
38 | const TopoDS_Vertex& V, |
39 | const Standard_Boolean WithContact, |
40 | const Standard_Boolean WithCorrection) |
41 | : vertex(V), |
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42 | islaw(0), |
43 | ispunctual(0), |
44 | contact(WithContact), |
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45 | correction(WithCorrection) |
46 | { |
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47 | myOriginalShape = Profile; |
48 | |
49 | ShapeUpgrade_RemoveLocations RemLoc; |
50 | RemLoc.SetRemoveLevel(TopAbs_COMPOUND); |
51 | RemLoc.Remove(Profile); |
52 | TopoDS_Shape aProfile = RemLoc.GetResult(); |
53 | |
54 | if (aProfile.ShapeType() == TopAbs_WIRE) |
55 | wire = TopoDS::Wire(aProfile); |
56 | else if (aProfile.ShapeType() == TopAbs_VERTEX) |
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57 | { |
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58 | ispunctual = Standard_True; |
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59 | TopoDS_Vertex aVertex = TopoDS::Vertex(aProfile); |
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60 | BRep_Builder BB; |
61 | |
62 | TopoDS_Edge DegEdge; |
63 | BB.MakeEdge( DegEdge ); |
64 | BB.Add( DegEdge, aVertex.Oriented(TopAbs_FORWARD) ); |
65 | BB.Add( DegEdge, aVertex.Oriented(TopAbs_REVERSED) ); |
66 | BB.Degenerated( DegEdge, Standard_True ); |
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67 | |
68 | BB.MakeWire( wire ); |
69 | BB.Add( wire, DegEdge ); |
70 | wire.Closed( Standard_True ); |
71 | } |
72 | else |
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73 | throw Standard_Failure("BRepFill_Section: bad shape type of section"); |
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74 | } |
75 | |
76 | void BRepFill_Section::Set(const Standard_Boolean IsLaw) |
77 | { |
78 | islaw = IsLaw; |
79 | } |
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80 | |
81 | TopoDS_Shape BRepFill_Section::ModifiedShape(const TopoDS_Shape& theShape) const |
82 | { |
83 | TopoDS_Shape aModifiedShape; |
84 | |
85 | switch (theShape.ShapeType()) |
86 | { |
87 | case TopAbs_WIRE: |
88 | if (theShape.IsSame(myOriginalShape)) |
89 | aModifiedShape = wire; |
90 | break; |
91 | case TopAbs_EDGE: |
92 | { |
93 | TopoDS_Iterator itor(myOriginalShape); |
94 | TopoDS_Iterator itw(wire); |
95 | for (; itor.More(); itor.Next(),itw.Next()) |
96 | { |
97 | const TopoDS_Shape& anOriginalEdge = itor.Value(); |
98 | const TopoDS_Shape& anEdge = itw.Value(); |
99 | if (anOriginalEdge.IsSame(theShape)) |
100 | { |
101 | aModifiedShape = anEdge; |
102 | break; |
103 | } |
104 | } |
105 | } |
106 | break; |
107 | case TopAbs_VERTEX: |
108 | if (theShape.IsSame(myOriginalShape)) |
109 | { |
110 | TopExp_Explorer Explo(wire, TopAbs_VERTEX); |
111 | aModifiedShape = Explo.Current(); |
112 | } |
113 | else |
114 | { |
115 | TopExp_Explorer ExpOrig(myOriginalShape, TopAbs_VERTEX); |
116 | TopExp_Explorer ExpWire(wire, TopAbs_VERTEX); |
117 | for (; ExpOrig.More(); ExpOrig.Next(),ExpWire.Next()) |
118 | { |
119 | const TopoDS_Shape& anOriginalVertex = ExpOrig.Current(); |
120 | const TopoDS_Shape& aVertex = ExpWire.Current(); |
121 | if (anOriginalVertex.IsSame(theShape)) |
122 | { |
123 | aModifiedShape = aVertex; |
124 | break; |
125 | } |
126 | } |
127 | } |
128 | break; |
129 | default: |
130 | break; |
131 | } |
132 | |
133 | return aModifiedShape; |
134 | } |