src/TopoDSToStep/TopoDSToStep_MakeManifoldSolidBrep.cxx

   1 // File:        TopoDSToStep_MakeManifoldSolidBrep.cxx
   2 // Created:     Fri Jul 23 15:31:00 1993
   3 // Author:      Martine LANGLOIS
   4 //              <mla@mastox>
   5
   6 #include <TopoDSToStep_MakeManifoldSolidBrep.ixx>
   7 #include <StdFail_NotDone.hxx>
   8 #include <TopoDSToStep.hxx>
   9 #include <TopoDSToStep_Builder.hxx>
  10 #include <TopoDSToStep_Tool.hxx>
  11 #include <BRepTools.hxx>
  12 #include <Transfer_FinderProcess.hxx>
  13 #include <TransferBRep_ShapeMapper.hxx>
  14 #include <TCollection_HAsciiString.hxx>
  15
  16 #include <StepShape_ClosedShell.hxx>
  17 #include <StepShape_OpenShell.hxx>
  18 #include <StepShape_HArray1OfFace.hxx>
  19
  20 static Handle(StepShape_ManifoldSolidBrep) MakeManifoldSolidBrep (const TopoDS_Shell& aShell,
  21                                                                   const Handle(Transfer_FinderProcess)& FP)
  22 {
  23   Handle(StepShape_ManifoldSolidBrep) theManifoldSolidBrep;
  24
  25   MoniTool_DataMapOfShapeTransient aMap;
  26   TopoDSToStep_Tool aTool(aMap, Standard_False);
  27
  28   TopoDSToStep_Builder StepB(aShell, aTool, FP);
  29
  30   TopoDSToStep::AddResult(FP, aTool);
  31
  32   if (StepB.IsDone()) {
  33     Handle(StepShape_ClosedShell) aCShell = Handle(StepShape_ClosedShell)::DownCast(StepB.Value());
  34     // si OPEN on le force a CLOSED mais que c est une honte !
  35     if (aCShell.IsNull()) {
  36       Handle(StepShape_OpenShell) aOShell = Handle(StepShape_OpenShell)::DownCast(StepB.Value());
  37       if (aOShell.IsNull()) return theManifoldSolidBrep;
  38       else {
  39         aCShell = new StepShape_ClosedShell;
  40         aCShell->Init(aOShell->Name(),aOShell->CfsFaces());
  41       }
  42     }
  43     theManifoldSolidBrep = new StepShape_ManifoldSolidBrep();
  44     Handle(TCollection_HAsciiString) aName = new TCollection_HAsciiString("");
  45     theManifoldSolidBrep->Init(aName, aCShell);
  46   }
  47
  48   return theManifoldSolidBrep;
  49 }
  50
  51 //=============================================================================
  52 // Create a ManifoldSolidBrep of StepShape from a Shell of TopoDS
  53 //=============================================================================
  54
  55 TopoDSToStep_MakeManifoldSolidBrep::
  56   TopoDSToStep_MakeManifoldSolidBrep(const TopoDS_Shell& aShell,
  57                                      const Handle(Transfer_FinderProcess)& FP)
  58 {
  59   theManifoldSolidBrep = MakeManifoldSolidBrep(aShell, FP);
  60   done = !theManifoldSolidBrep.IsNull();
  61   if (!done) {
  62     Handle(TransferBRep_ShapeMapper) errShape = new TransferBRep_ShapeMapper(aShell);
  63     FP->AddWarning(errShape, " Closed Shell not mapped to ManifoldSolidBrep");
  64   }
  65 }
  66
  67 //=============================================================================
  68 // Create a ManifoldSolidBrep of StepShape from a Solid of TopoDS containing
  69 // only one closed shell
  70 //=============================================================================
  71
  72 TopoDSToStep_MakeManifoldSolidBrep::
  73   TopoDSToStep_MakeManifoldSolidBrep(const TopoDS_Solid& aSolid,
  74                                      const Handle(Transfer_FinderProcess)& FP)
  75 {
  76   TopoDS_Shell aOuterShell = BRepTools::OuterShell(aSolid);
  77   if (!aOuterShell.IsNull()) {
  78
  79     theManifoldSolidBrep = MakeManifoldSolidBrep(aOuterShell, FP);
  80     done = !theManifoldSolidBrep.IsNull();
  81     if (!done) {
  82       Handle(TransferBRep_ShapeMapper) errShape = new TransferBRep_ShapeMapper(aOuterShell);
  83       FP->AddWarning(errShape, " Outer Shell of Solid not mapped to ManifoldSolidBrep");
  84     }
  85   }
  86   else {
  87     Handle(TransferBRep_ShapeMapper) errShape = new TransferBRep_ShapeMapper(aOuterShell);
  88     FP->AddWarning(errShape, " Outer Shell is null; not mapped to ManifoldSolidBrep ");
  89     done = Standard_False;
  90   }
  91 }
  92
  93 //=============================================================================
  94 // renvoi des valeurs
  95 //=============================================================================
  96
  97 const Handle(StepShape_ManifoldSolidBrep) &
  98       TopoDSToStep_MakeManifoldSolidBrep::Value() const
  99 {
 100   StdFail_NotDone_Raise_if(!done,"");
 101   return theManifoldSolidBrep;
 102 }