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
6 // This file is part of Open CASCADE Technology software library.
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.
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
18 #include <BRepClass3d.hxx>
19 #include <Interface_Static.hxx>
20 #include <Message_ProgressScope.hxx>
21 #include <StdFail_NotDone.hxx>
22 #include <StepShape_ClosedShell.hxx>
23 #include <StepShape_HArray1OfFace.hxx>
24 #include <StepShape_ManifoldSolidBrep.hxx>
25 #include <StepShape_OpenShell.hxx>
26 #include <StepVisual_TessellatedShell.hxx>
27 #include <StepVisual_TessellatedSolid.hxx>
28 #include <TCollection_HAsciiString.hxx>
29 #include <TopoDS_Shell.hxx>
30 #include <TopoDS_Solid.hxx>
31 #include <TopoDSToStep.hxx>
32 #include <TopoDSToStep_Builder.hxx>
33 #include <TopoDSToStep_MakeManifoldSolidBrep.hxx>
34 #include <TopoDSToStep_Tool.hxx>
35 #include <Transfer_FinderProcess.hxx>
36 #include <TransferBRep_ShapeMapper.hxx>
38 static std::pair<Handle(StepShape_ManifoldSolidBrep), Handle(StepVisual_TessellatedItem)>
39 MakeManifoldSolidBrep(const TopoDS_Shell& aShell,
40 const Handle(Transfer_FinderProcess)& FP,
41 const Message_ProgressRange& theProgress)
43 Handle(StepShape_ManifoldSolidBrep) theManifoldSolidBrep;
44 Handle(StepVisual_TessellatedItem) aTessItem;
46 MoniTool_DataMapOfShapeTransient aMap;
47 TopoDSToStep_Tool aTool(aMap, Standard_False);
49 const Standard_Integer aWriteTessGeom = Interface_Static::IVal("write.step.tessellated");
51 TopoDSToStep_Builder StepB(aShell, aTool, FP, aWriteTessGeom, theProgress);
52 if (theProgress.UserBreak())
53 return std::make_pair(theManifoldSolidBrep, aTessItem);
55 TopoDSToStep::AddResult(FP, aTool);
58 aTessItem = StepB.TessellatedValue();
59 Handle(StepShape_ClosedShell) aCShell = Handle(StepShape_ClosedShell)::DownCast(StepB.Value());
60 // si OPEN on le force a CLOSED mais que c est une honte !
61 if (aCShell.IsNull()) {
62 Handle(StepShape_OpenShell) aOShell = Handle(StepShape_OpenShell)::DownCast(StepB.Value());
63 if (aOShell.IsNull()) return std::make_pair(theManifoldSolidBrep, aTessItem);
65 aCShell = new StepShape_ClosedShell;
66 aCShell->Init(aOShell->Name(), aOShell->CfsFaces());
69 theManifoldSolidBrep = new StepShape_ManifoldSolidBrep();
70 Handle(TCollection_HAsciiString) aName = new TCollection_HAsciiString("");
71 theManifoldSolidBrep->Init(aName, aCShell);
74 return std::make_pair(theManifoldSolidBrep, aTessItem);
77 //=============================================================================
78 // Create a ManifoldSolidBrep of StepShape from a Shell of TopoDS
79 //=============================================================================
81 TopoDSToStep_MakeManifoldSolidBrep::
82 TopoDSToStep_MakeManifoldSolidBrep(const TopoDS_Shell& aShell,
83 const Handle(Transfer_FinderProcess)& FP,
84 const Message_ProgressRange& theProgress)
86 std::pair<Handle(StepShape_ManifoldSolidBrep), Handle(StepVisual_TessellatedItem)>
87 aResult = MakeManifoldSolidBrep(aShell, FP, theProgress);
88 done = !aResult.first.IsNull() || !aResult.second.IsNull();
91 theManifoldSolidBrep = aResult.first;
92 theTessellatedItem = aResult.second;
94 if (!done && !theProgress.UserBreak())
96 Handle(TransferBRep_ShapeMapper) errShape = new TransferBRep_ShapeMapper(aShell);
97 FP->AddWarning(errShape, " Closed Shell not mapped to ManifoldSolidBrep");
101 //=============================================================================
102 // Create a ManifoldSolidBrep of StepShape from a Solid of TopoDS containing
103 // only one closed shell
104 //=============================================================================
106 TopoDSToStep_MakeManifoldSolidBrep::
107 TopoDSToStep_MakeManifoldSolidBrep(const TopoDS_Solid& aSolid,
108 const Handle(Transfer_FinderProcess)& FP,
109 const Message_ProgressRange& theProgress)
111 TopoDS_Shell aOuterShell = BRepClass3d::OuterShell(aSolid);
112 if (!aOuterShell.IsNull())
114 std::pair<Handle(StepShape_ManifoldSolidBrep), Handle(StepVisual_TessellatedItem)>
115 aResult = MakeManifoldSolidBrep(aOuterShell, FP, theProgress);
116 done = !aResult.first.IsNull() || !aResult.second.IsNull();
119 theManifoldSolidBrep = aResult.first;
120 if (!aResult.second.IsNull()) {
121 Handle(StepVisual_TessellatedSolid) aTessSolid = new StepVisual_TessellatedSolid();
122 Handle(StepVisual_TessellatedShell) aTessShell = Handle(StepVisual_TessellatedShell)::DownCast(aResult.second);
123 Handle(TCollection_HAsciiString) aName = new TCollection_HAsciiString("");
124 Handle(StepVisual_HArray1OfTessellatedStructuredItem) anItems
125 = new StepVisual_HArray1OfTessellatedStructuredItem(1, aTessShell->NbItems());
126 for (Standard_Integer i = 1; i <= aTessShell->NbItems(); ++i)
128 anItems->SetValue(i, aTessShell->ItemsValue(i));
130 Standard_Boolean aHasGeomLink = !theManifoldSolidBrep.IsNull();
131 aTessSolid->Init(aName, anItems, aHasGeomLink, theManifoldSolidBrep);
132 theTessellatedItem = aTessSolid;
135 if (!done && !theProgress.UserBreak())
137 Handle(TransferBRep_ShapeMapper) errShape = new TransferBRep_ShapeMapper(aOuterShell);
138 FP->AddWarning(errShape, " Outer Shell of Solid not mapped to ManifoldSolidBrep");
143 Handle(TransferBRep_ShapeMapper) errShape = new TransferBRep_ShapeMapper(aOuterShell);
144 FP->AddWarning(errShape, " Outer Shell is null; not mapped to ManifoldSolidBrep ");
145 done = Standard_False;
149 //=============================================================================
150 // renvoi des valeurs
151 //=============================================================================
153 const Handle(StepShape_ManifoldSolidBrep) &
154 TopoDSToStep_MakeManifoldSolidBrep::Value() const
156 StdFail_NotDone_Raise_if (!done, "TopoDSToStep_MakeManifoldSolidBrep::Value() - no result");
157 return theManifoldSolidBrep;
160 // ============================================================================
161 // Method : TopoDSToStep_MakeManifoldSolidBrep::TessellatedValue
162 // Purpose : Returns TessellatedItem as the optional result
163 // ============================================================================
165 const Handle(StepVisual_TessellatedItem)&
166 TopoDSToStep_MakeManifoldSolidBrep::TessellatedValue() const
168 StdFail_NotDone_Raise_if(!done, "TopoDSToStep_MakeManifoldSolidBrep::TessellatedValue() - no result");
169 return theTessellatedItem;