mirror of
https://git.dev.opencascade.org/repos/occt.git
synced 2025-04-03 17:56:21 +03:00
244 lines
9.0 KiB
C++
244 lines
9.0 KiB
C++
// Created on: 1993-07-23
|
|
// Created by: Martine LANGLOIS
|
|
// Copyright (c) 1993-1999 Matra Datavision
|
|
// Copyright (c) 1999-2014 OPEN CASCADE SAS
|
|
//
|
|
// This file is part of Open CASCADE Technology software library.
|
|
//
|
|
// This library is free software; you can redistribute it and/or modify it under
|
|
// the terms of the GNU Lesser General Public License version 2.1 as published
|
|
// by the Free Software Foundation, with special exception defined in the file
|
|
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
|
|
// distribution for complete text of the license and disclaimer of any warranty.
|
|
//
|
|
// Alternatively, this file may be used under the terms of Open CASCADE
|
|
// commercial license or contractual agreement.
|
|
|
|
|
|
#include <BRepClass3d.hxx>
|
|
#include <Message_ProgressScope.hxx>
|
|
#include <MoniTool_DataMapOfShapeTransient.hxx>
|
|
#include <StdFail_NotDone.hxx>
|
|
#include <StepData_Factors.hxx>
|
|
#include <StepData_StepModel.hxx>
|
|
#include <StepShape_BrepWithVoids.hxx>
|
|
#include <StepShape_ClosedShell.hxx>
|
|
#include <StepShape_HArray1OfOrientedClosedShell.hxx>
|
|
#include <StepShape_OpenShell.hxx>
|
|
#include <StepShape_OrientedClosedShell.hxx>
|
|
#include <StepShape_TopologicalRepresentationItem.hxx>
|
|
#include <StepVisual_HArray1OfTessellatedStructuredItem.hxx>
|
|
#include <StepVisual_TessellatedShell.hxx>
|
|
#include <StepVisual_TessellatedSolid.hxx>
|
|
#include <TCollection_HAsciiString.hxx>
|
|
#include <TColStd_SequenceOfTransient.hxx>
|
|
#include <TopoDS.hxx>
|
|
#include <TopoDS_Iterator.hxx>
|
|
#include <TopoDS_Shell.hxx>
|
|
#include <TopoDS_Solid.hxx>
|
|
#include <TopoDSToStep.hxx>
|
|
#include <TopoDSToStep_Builder.hxx>
|
|
#include <TopoDSToStep_MakeBrepWithVoids.hxx>
|
|
#include <TopoDSToStep_Tool.hxx>
|
|
#include <Transfer_FinderProcess.hxx>
|
|
#include <TransferBRep_ShapeMapper.hxx>
|
|
|
|
//:d7
|
|
#ifdef OCCT_DEBUG
|
|
#define DEBUG
|
|
#endif
|
|
|
|
//=============================================================================
|
|
// Create a BrepWithVoids of StepShape from a Solid of TopoDS containing
|
|
// more than one closed shell
|
|
//=============================================================================
|
|
|
|
TopoDSToStep_MakeBrepWithVoids::
|
|
TopoDSToStep_MakeBrepWithVoids(const TopoDS_Solid& aSolid,
|
|
const Handle(Transfer_FinderProcess)& FP,
|
|
const StepData_Factors& theLocalFactors,
|
|
const Message_ProgressRange& theProgress)
|
|
{
|
|
done = Standard_False;
|
|
TopoDS_Iterator It;
|
|
MoniTool_DataMapOfShapeTransient aMap;
|
|
TColStd_SequenceOfTransient S;
|
|
TopoDS_Shell aOutShell;
|
|
|
|
Handle(StepShape_TopologicalRepresentationItem) aItem;
|
|
Handle(StepShape_ClosedShell) aOuter, aCShell;
|
|
Handle(StepShape_OrientedClosedShell) aOCShell;
|
|
Handle(StepShape_HArray1OfOrientedClosedShell) aVoids;
|
|
TColStd_SequenceOfTransient aTessShells;
|
|
|
|
Handle(StepData_StepModel) aStepModel = Handle(StepData_StepModel)::DownCast(FP->Model());
|
|
const Standard_Integer aWriteTessGeom = aStepModel->InternalParameters.WriteTessellated;
|
|
|
|
try
|
|
{
|
|
// BRepClass3d::OuterShell requires geometry when the solid has voids
|
|
aOutShell = BRepClass3d::OuterShell(aSolid);
|
|
}
|
|
catch (...)
|
|
{
|
|
}
|
|
|
|
TopoDSToStep_Builder StepB;
|
|
TopoDSToStep_Tool aTool(aStepModel);
|
|
|
|
Standard_Integer nbshapes = 0;
|
|
for (It.Initialize(aSolid); It.More(); It.Next())
|
|
if (It.Value().ShapeType() == TopAbs_SHELL)
|
|
nbshapes++;
|
|
Message_ProgressScope aPS(theProgress, NULL, nbshapes);
|
|
for (It.Initialize(aSolid); It.More() && aPS.More(); It.Next())
|
|
{
|
|
if (It.Value().ShapeType() == TopAbs_SHELL)
|
|
{
|
|
TopoDS_Shell CurrentShell = TopoDS::Shell(It.Value());
|
|
if (!aOutShell.IsNull() && !aOutShell.IsEqual(CurrentShell)) //:e0 abv 25 Mar 98: voids should be reversed according to EXPRESS for ABSR
|
|
CurrentShell.Reverse();
|
|
//:d7 abv 16 Mar 98: try to treat 'open' shells as closed since flag
|
|
// IsClosed() is often incorrect (taken from MakeManifoldSolid(Solid))
|
|
aTool.Init(aMap, Standard_False, aStepModel->InternalParameters.WriteSurfaceCurMode);
|
|
StepB.Init(CurrentShell, aTool, FP, aWriteTessGeom, theLocalFactors, aPS.Next());
|
|
TopoDSToStep::AddResult(FP, aTool);
|
|
if (StepB.IsDone())
|
|
{
|
|
aCShell = Handle(StepShape_ClosedShell)::DownCast(StepB.Value());
|
|
// si OPEN on le force a CLOSED mais que c est une honte !
|
|
if (aCShell.IsNull())
|
|
{
|
|
Handle(StepShape_OpenShell) aOShell = Handle(StepShape_OpenShell)::DownCast(StepB.Value());
|
|
if (!aOShell.IsNull())
|
|
{
|
|
aCShell = new StepShape_ClosedShell;
|
|
aCShell->Init(aOShell->Name(), aOShell->CfsFaces());
|
|
#ifdef OCCT_DEBUG
|
|
std::cout << "Warning: MakeBRepWithVoids: Open shell in the solid; treated as closed" << std::endl;
|
|
#endif
|
|
}
|
|
}
|
|
Handle(StepVisual_TessellatedItem) aTessShell = StepB.TessellatedValue();
|
|
if (!aTessShell.IsNull())
|
|
{
|
|
aTessShells.Append(aTessShell);
|
|
}
|
|
if (!aOutShell.IsNull() && !aCShell.IsNull())
|
|
{
|
|
if (aOutShell.IsEqual(It.Value()))
|
|
aOuter = aCShell;
|
|
else
|
|
S.Append(aCShell);
|
|
}
|
|
#ifdef OCCT_DEBUG
|
|
else std::cout << "*** MakeBRepWithVoids : Shell not mapped" << std::endl;
|
|
#endif
|
|
}
|
|
#ifdef OCCT_DEBUG
|
|
else std::cout << "Shell not mapped" << std::endl;
|
|
#endif
|
|
/* //:d7
|
|
if (It.Value().Closed()) {
|
|
aTool.Init(aMap, Standard_False);
|
|
StepB.Init(CurrentShell, aTool, FP);
|
|
TopoDSToStep::AddResult ( FP, aTool );
|
|
if (StepB.IsDone()) {
|
|
aCShell = Handle(StepShape_ClosedShell)::DownCast(StepB.Value());
|
|
if ( aOutShell.IsEqual(It.Value()) )
|
|
aOuter = aCShell;
|
|
else
|
|
S.Append(aCShell);
|
|
}
|
|
else {
|
|
#ifdef OCCT_DEBUG
|
|
std::cout << "Shell not mapped" << std::endl;
|
|
#endif
|
|
done = Standard_False;
|
|
}
|
|
}
|
|
else {
|
|
// Error Handling : the Shape is not closed
|
|
done = Standard_False;
|
|
}
|
|
*/
|
|
}
|
|
}
|
|
if (!aPS.More())
|
|
return;
|
|
|
|
Standard_Integer N = S.Length();
|
|
if (N >= 1)
|
|
{
|
|
Handle(TCollection_HAsciiString) aName =
|
|
new TCollection_HAsciiString("");
|
|
aVoids = new StepShape_HArray1OfOrientedClosedShell(1, N);
|
|
for (Standard_Integer i = 1; i <= N; i++) {
|
|
aOCShell = new StepShape_OrientedClosedShell;
|
|
// Warning : the Oriented Shell Orientation is not always
|
|
// TRUE.
|
|
// Shall check the TopoDS_Shell orientation.
|
|
// => if the Shell is reversed, shall create an OrientedShell.
|
|
aOCShell->Init(aName, Handle(StepShape_ClosedShell)::DownCast(S.Value(i)),
|
|
Standard_False); //:e0
|
|
//:e0 Standard_True);
|
|
aVoids->SetValue(i, aOCShell);
|
|
}
|
|
|
|
theBrepWithVoids = new StepShape_BrepWithVoids();
|
|
theBrepWithVoids->Init(aName, aOuter, aVoids);
|
|
|
|
done = Standard_True;
|
|
}
|
|
|
|
if (!aTessShells.IsEmpty())
|
|
{
|
|
Handle(StepVisual_TessellatedSolid) aTessSolid = new StepVisual_TessellatedSolid();
|
|
Handle(TCollection_HAsciiString) aTessName = new TCollection_HAsciiString("");
|
|
Standard_Integer aNbItems = 0;
|
|
for (TColStd_SequenceOfTransient::Iterator anIt(aTessShells); anIt.More(); anIt.Next())
|
|
{
|
|
Handle(StepVisual_TessellatedShell) aTessShell = Handle(StepVisual_TessellatedShell)::DownCast(anIt.Value());
|
|
aNbItems += aTessShell->NbItems();
|
|
}
|
|
Handle(StepVisual_HArray1OfTessellatedStructuredItem) anItems
|
|
= new StepVisual_HArray1OfTessellatedStructuredItem(1, aNbItems);
|
|
Standard_Integer j = 1;
|
|
for (TColStd_SequenceOfTransient::Iterator anIt(aTessShells); anIt.More(); anIt.Next())
|
|
{
|
|
Handle(StepVisual_TessellatedShell) aTessShell = Handle(StepVisual_TessellatedShell)::DownCast(anIt.Value());
|
|
for (Standard_Integer i = 1; i <= aTessShell->NbItems(); ++i) {
|
|
anItems->SetValue(j++, aTessShell->ItemsValue(i));
|
|
}
|
|
}
|
|
Standard_Boolean aHasGeomLink = !theBrepWithVoids.IsNull();
|
|
aTessSolid->Init(aTessName, anItems, aHasGeomLink, theBrepWithVoids);
|
|
theTessellatedItem = aTessSolid;
|
|
|
|
done = Standard_True;
|
|
}
|
|
}
|
|
|
|
//=============================================================================
|
|
// renvoi des valeurs
|
|
//=============================================================================
|
|
|
|
const Handle(StepShape_BrepWithVoids) &
|
|
TopoDSToStep_MakeBrepWithVoids::Value() const
|
|
{
|
|
StdFail_NotDone_Raise_if (!done, "TopoDSToStep_MakeBrepWithVoids::Value() - no result");
|
|
return theBrepWithVoids;
|
|
}
|
|
|
|
// ============================================================================
|
|
// Method : TopoDSToStep_MakeBrepWithVoids::TessellatedValue
|
|
// Purpose : Returns TessellatedItem as the optional result
|
|
// ============================================================================
|
|
|
|
const Handle(StepVisual_TessellatedItem) &
|
|
TopoDSToStep_MakeBrepWithVoids::TessellatedValue() const
|
|
{
|
|
StdFail_NotDone_Raise_if(!done, "TopoDSToStep_MakeBrepWithVoids::TessellatedValue() - no result");
|
|
return theTessellatedItem;
|
|
}
|