1 // Created on: 1993-07-23
2 // Created by: Martine LANGLOIS
3 // Copyright (c) 1993-1999 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
18 #include <BRepClass3d.hxx>
19 #include <Message_ProgressScope.hxx>
20 #include <MoniTool_DataMapOfShapeTransient.hxx>
21 #include <StdFail_NotDone.hxx>
22 #include <StepShape_ClosedShell.hxx>
23 #include <StepShape_FacetedBrepAndBrepWithVoids.hxx>
24 #include <StepShape_HArray1OfOrientedClosedShell.hxx>
25 #include <StepShape_OrientedClosedShell.hxx>
26 #include <StepShape_TopologicalRepresentationItem.hxx>
27 #include <TCollection_HAsciiString.hxx>
28 #include <TColStd_SequenceOfTransient.hxx>
29 #include <TopoDS.hxx>
30 #include <TopoDS_Iterator.hxx>
31 #include <TopoDS_Shell.hxx>
32 #include <TopoDS_Solid.hxx>
33 #include <TopoDSToStep.hxx>
34 #include <TopoDSToStep_Builder.hxx>
35 #include <TopoDSToStep_MakeFacetedBrepAndBrepWithVoids.hxx>
36 #include <TopoDSToStep_Tool.hxx>
37 #include <Transfer_FinderProcess.hxx>
38 #include <TransferBRep_ShapeMapper.hxx>
39
40 //=============================================================================
41 // Create a FacetedBrepAndBrepWithVoids of StepShape from a Solid of TopoDS
42 // containing more than one closed shell
43 //=============================================================================
44 TopoDSToStep_MakeFacetedBrepAndBrepWithVoids::
TopoDSToStep_MakeFacetedBrepAndBrepWithVoids(const TopoDS_Solid & aSolid,const Handle (Transfer_FinderProcess)& FP,const Message_ProgressRange & theProgress)45 TopoDSToStep_MakeFacetedBrepAndBrepWithVoids(const TopoDS_Solid& aSolid,
46 const Handle(Transfer_FinderProcess)& FP,
47 const Message_ProgressRange& theProgress)
48 {
49 done = Standard_False;
50 TopoDS_Iterator It;
51 MoniTool_DataMapOfShapeTransient aMap;
52 TColStd_SequenceOfTransient S;
53 TopoDS_Shell aOutShell;
54
55 Handle(StepShape_TopologicalRepresentationItem) aItem;
56 Handle(StepShape_ClosedShell) aOuter, aCShell;
57 Handle(StepShape_OrientedClosedShell) aOCShell;
58 Handle(StepShape_HArray1OfOrientedClosedShell) aVoids;
59
60 aOutShell = BRepClass3d::OuterShell(aSolid);
61
62 TopoDSToStep_Builder StepB;
63 TopoDSToStep_Tool aTool;
64
65 if (!aOutShell.IsNull()) {
66 Standard_Integer nbshapes = 0;
67 for (It.Initialize(aSolid); It.More(); It.Next())
68 if (It.Value().ShapeType() == TopAbs_SHELL)
69 nbshapes++;
70 Message_ProgressScope aPS(theProgress, NULL, nbshapes);
71 for (It.Initialize(aSolid); It.More() && aPS.More(); It.Next())
72 {
73 if (It.Value().ShapeType() == TopAbs_SHELL) {
74 Message_ProgressRange aRange = aPS.Next();
75 TopoDS_Shell CurrentShell = TopoDS::Shell(It.Value());
76 if (It.Value().Closed()) {
77
78 aTool.Init(aMap, Standard_False);
79 StepB.Init(CurrentShell, aTool, FP, aRange);
80 TopoDSToStep::AddResult ( FP, aTool );
81
82 if (StepB.IsDone()) {
83 aCShell = Handle(StepShape_ClosedShell)::DownCast(StepB.Value());
84 if ( aOutShell.IsEqual(It.Value()) )
85 aOuter = aCShell;
86 else
87 S.Append(aCShell);
88 }
89 else {
90 Handle(TransferBRep_ShapeMapper) errShape =
91 new TransferBRep_ShapeMapper(CurrentShell);
92 FP->AddWarning(errShape," Shell from Solid not mapped to FacetedBrepAndBrepWithVoids");
93 }
94 }
95 else {
96 done = Standard_False;
97 Handle(TransferBRep_ShapeMapper) errShape =
98 new TransferBRep_ShapeMapper(CurrentShell);
99 FP->AddWarning(errShape," Shell from Solid not closed; not mapped to FacetedBrepAndBrepWithVoids");
100 }
101 }
102 }
103 if (!aPS.More())
104 return;
105 }
106 Standard_Integer N = S.Length();
107 if ( N>=1 ) {
108 aVoids = new StepShape_HArray1OfOrientedClosedShell(1,N);
109 Handle(TCollection_HAsciiString) aName =
110 new TCollection_HAsciiString("");
111 for ( Standard_Integer i=1; i<=N; i++ ) {
112 aOCShell = new StepShape_OrientedClosedShell();
113 aOCShell->Init(aName, Handle(StepShape_ClosedShell)::DownCast(S.Value(i)),
114 Standard_True);
115 aVoids->SetValue(i, aOCShell);
116 }
117 theFacetedBrepAndBrepWithVoids =
118 new StepShape_FacetedBrepAndBrepWithVoids();
119 theFacetedBrepAndBrepWithVoids->Init(aName, aOuter, aVoids);
120 done = Standard_True;
121 }
122 else {
123 done = Standard_False;
124 Handle(TransferBRep_ShapeMapper) errShape =
125 new TransferBRep_ShapeMapper(aSolid);
126 FP->AddWarning(errShape," Solid contains no Shell to be mapped to FacetedBrepAndBrepWithVoids");
127 }
128 }
129
130 //=============================================================================
131 // renvoi des valeurs
132 //=============================================================================
133
Handle(StepShape_FacetedBrepAndBrepWithVoids)134 const Handle(StepShape_FacetedBrepAndBrepWithVoids) &
135 TopoDSToStep_MakeFacetedBrepAndBrepWithVoids::Value() const
136 {
137 StdFail_NotDone_Raise_if (!done, "TopoDSToStep_MakeFacetedBrepAndBrepWithVoids::Value() - no result");
138 return theFacetedBrepAndBrepWithVoids;
139 }
140