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// File: TopoDSToStep_Builder.cxx
// Created: Fri Nov 25 11:00:33 1994
// Author: Frederic MAUPAS
// <fma@stylox>
#include <TopoDSToStep_Builder.ixx>
#include <TopoDSToStep_Tool.hxx>
#include <TopoDSToStep_MakeStepFace.hxx>
#include <StepShape_ConnectedFaceSet.hxx>
#include <StepShape_HArray1OfFace.hxx>
#include <StepShape_ClosedShell.hxx>
#include <StepShape_OpenShell.hxx>
#include <StepShape_FaceSurface.hxx>
#include <TopoDS.hxx>
#include <TopoDS_Shell.hxx>
#include <TopoDS_Face.hxx>
#include <TopExp_Explorer.hxx>
#include <TColStd_SequenceOfTransient.hxx>
#include <TransferBRep_ShapeMapper.hxx>
#include <TCollection_HAsciiString.hxx>
#include <Message_ProgressIndicator.hxx>
// ============================================================================
// Method : TopoDSToStep_Builder::TopoDSToStep_Builder
// Purpose :
// ============================================================================
TopoDSToStep_Builder::TopoDSToStep_Builder()
{
done = Standard_False;
}
// ============================================================================
// Method : TopoDSToStep_Builder::TopoDSToStep_Builder
// Purpose :
// ============================================================================
TopoDSToStep_Builder::TopoDSToStep_Builder
(const TopoDS_Shape& aShape,
TopoDSToStep_Tool& aTool, const Handle(Transfer_FinderProcess)& FP)
{
done = Standard_False;
Init(aShape, aTool, FP);
}
// ============================================================================
// Method : TopoDSToStep_Builder::Init
// Purpose :
// ============================================================================
void TopoDSToStep_Builder::Init(const TopoDS_Shape& aShape,
TopoDSToStep_Tool& myTool,
const Handle(Transfer_FinderProcess)& FP)
{
if (myTool.IsBound(aShape)) {
myError = TopoDSToStep_BuilderDone;
done = Standard_True;
myResult = myTool.Find(aShape);
return;
}
Handle(Message_ProgressIndicator) progress = FP->GetProgress();
switch (aShape.ShapeType())
{
case TopAbs_SHELL:
{
TopoDS_Shell myShell = TopoDS::Shell(aShape);
myTool.SetCurrentShell(myShell);
Handle(StepShape_FaceSurface) FS;
Handle(StepShape_TopologicalRepresentationItem) Fpms;
TColStd_SequenceOfTransient mySeq;
// const TopoDS_Shell ForwardShell =
// TopoDS::Shell(myShell.Oriented(TopAbs_FORWARD));
// TopExp_Explorer myExp(ForwardShell, TopAbs_FACE);
// CKY 9-DEC-1997 (PRO9824 et consorts)
// Pour passer les orientations : ELLES SONT DONNEES EN RELATIF
// Donc, pour SHELL, on doit l ecrire en direct en STEP (pas le choix)
// -> il faut repercuter en dessous, donc explorer le Shell TEL QUEL
// Pour FACE WIRE, d une part on ECRIT SON ORIENTATION relative au contenant
// (puisqu on peut), d autre part on EXPLORE EN FORWARD : ainsi les
// orientations des sous-shapes sont relatives a leur contenant immediat
// et la recombinaison en lecture est sans malice
// Il reste ici et la du code relatif a "en Faceted on combine differemment"
// -> reste encore du menage a faire
TopExp_Explorer myExp(myShell, TopAbs_FACE);
TopoDSToStep_MakeStepFace MkFace;
for (;myExp.More();myExp.Next()) {
const TopoDS_Face Face = TopoDS::Face(myExp.Current());
MkFace.Init(Face, myTool, FP);
if (MkFace.IsDone()) {
FS = Handle(StepShape_FaceSurface)::DownCast(MkFace.Value());
Fpms = FS;
mySeq.Append(Fpms);
}
else {
// MakeFace Error Handling : warning only
// cout << "Warning : one Face has not been mapped" << endl;
// Handle(TransferBRep_ShapeMapper) errShape =
// new TransferBRep_ShapeMapper(Face);
// FP->AddWarning(errShape, " a Face from a Shell has not been mapped");
}
if (!progress.IsNull()) progress->Increment();
}
Standard_Integer nbFaces = mySeq.Length();
if ( nbFaces >= 1) {
Handle(StepShape_HArray1OfFace) aSet =
new StepShape_HArray1OfFace(1,nbFaces);
for (Standard_Integer i=1; i<=nbFaces; i++ ) {
aSet->SetValue(i, Handle(StepShape_Face)::DownCast(mySeq.Value(i)));
}
Handle(StepShape_ConnectedFaceSet) CFSpms;
if (myShell.Closed())
CFSpms = new StepShape_ClosedShell();
else
CFSpms = new StepShape_OpenShell();
Handle(TCollection_HAsciiString) aName =
new TCollection_HAsciiString("");
CFSpms->Init(aName, aSet);
// --------------------------------------------------------------
// To add later : if not facetted context & shell is reversed
// then shall create an oriented_shell with
// orientation flag to false.
// --------------------------------------------------------------
myTool.Bind(aShape, CFSpms);
myResult = CFSpms;
done = Standard_True;
}
else {
// Builder Error handling;
myError = TopoDSToStep_NoFaceMapped;
done = Standard_False;
}
break;
}
case TopAbs_FACE:
{
const TopoDS_Face Face = TopoDS::Face(aShape);
Handle(StepShape_FaceSurface) FS;
Handle(StepShape_TopologicalRepresentationItem) Fpms;
TopoDSToStep_MakeStepFace MkFace(Face, myTool, FP);
if (MkFace.IsDone()) {
FS = Handle(StepShape_FaceSurface)::DownCast(MkFace.Value());
Fpms = FS;
myResult = Fpms;
myError = TopoDSToStep_BuilderDone;
done = Standard_True;
}
else {
// MakeFace Error Handling : Face not Mapped
myError = TopoDSToStep_BuilderOther;
// Handle(TransferBRep_ShapeMapper) errShape =
// new TransferBRep_ShapeMapper(Face);
// FP->AddWarning(errShape, " the Face has not been mapped");
done = Standard_False;
}
if (!progress.IsNull()) progress->Increment();
break;
}
default: break;
}
}
// ============================================================================
// Method : TopoDSToStep_Builder::Value
// Purpose :
// ============================================================================
const Handle(StepShape_TopologicalRepresentationItem)&
TopoDSToStep_Builder::Value() const
{
StdFail_NotDone_Raise_if(!done,"");
return myResult;
}
// ============================================================================
// Method : TopoDSToStep_Builder::Error
// Purpose :
// ============================================================================
TopoDSToStep_BuilderError TopoDSToStep_Builder::Error() const
{
return myError;
}
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