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// File: BOP_SFSCorrector.cxx
// Created: Thu Aug 2 10:47:47 2001
// Author: Peter KURNEV
// <pkv@irinox>
//
#include <BOP_SFSCorrector.ixx>
#include <TopTools_IndexedMapOfOrientedShape.hxx>
#include <TopTools_ListIteratorOfListOfShape.hxx>
#include <TopoDS.hxx>
#include <TopoDS_Shape.hxx>
#include <TopoDS_Shell.hxx>
#include <TopoDS_Face.hxx>
#include <TopoDS_Edge.hxx>
#include <BRep_Builder.hxx>
#include <BOP_ConnexityBlock.hxx>
#include <BOP_ListIteratorOfListOfConnexityBlock.hxx>
#include <BOP_ShellSplitter.hxx>
#include <BOPTColStd_ListOfListOfShape.hxx>
#include <BOPTColStd_ListIteratorOfListOfListOfShape.hxx>
static
void MakeShell (const TopTools_ListOfShape& aLE,
TopoDS_Shell& newShell);
//=======================================================================
// function: BOP_SFSCorrector::BOP_SFSCorrector
// purpose:
//=======================================================================
BOP_SFSCorrector::BOP_SFSCorrector()
:
myIsDone(Standard_False),
myErrorStatus(1)
{}
//=======================================================================
// function: SetSFS
// purpose:
//=======================================================================
void BOP_SFSCorrector::SetSFS (const BOP_ShellFaceSet& aSFS)
{
BOP_ShellFaceSet* pSFS=(BOP_ShellFaceSet*) &aSFS;
mySFS=pSFS;
}
//=======================================================================
// function: SFS
// purpose:
//=======================================================================
BOP_ShellFaceSet& BOP_SFSCorrector::SFS ()
{
return *mySFS;
}
//=======================================================================
// function: NewSFS
// purpose:
//=======================================================================
BOP_ShellFaceSet& BOP_SFSCorrector::NewSFS ()
{
return myNewSFS;
}
//=======================================================================
// function: IsDone
// purpose:
//=======================================================================
Standard_Boolean BOP_SFSCorrector::IsDone () const
{
return myIsDone;
}
//=======================================================================
// function: ErrorStatus
// purpose:
//=======================================================================
Standard_Integer BOP_SFSCorrector::ErrorStatus () const
{
return myErrorStatus;
}
//=======================================================================
// function: Do
// purpose:
//=======================================================================
void BOP_SFSCorrector::Do()
{
DoConnexityBlocks();
DoCorrections();
myIsDone=Standard_True;
}
//=======================================================================
// function: DoConnexityBlocks
// purpose:
//=======================================================================
void BOP_SFSCorrector::DoConnexityBlocks()
{
Standard_Boolean EnewinM, aGoOn;
Standard_Integer Mextent, IsRegular, aNbNeighbours, Eindex;
TopTools_IndexedMapOfOrientedShape myOrientedShapeMap, aMap;
//
mySFS->InitStartElements();
for (; mySFS->MoreStartElements(); mySFS->NextStartElement()) {
const TopoDS_Shape& anE = mySFS->StartElement();
Mextent = myOrientedShapeMap.Extent();
Eindex = myOrientedShapeMap.Add(anE);
EnewinM = (Eindex > Mextent);
if (EnewinM) {
//
// make a new block starting at element Eindex
IsRegular=Standard_True;
aNbNeighbours=0;
Mextent = myOrientedShapeMap.Extent();
//
aMap.Clear();
aMap.Add(anE);
//
aGoOn = (Eindex <= Mextent);
while (aGoOn) {
const TopoDS_Shape& anEE = myOrientedShapeMap(Eindex);
aNbNeighbours = mySFS->MaxNumberSubShape(anEE);
IsRegular = IsRegular && (aNbNeighbours == 2);
//
mySFS->InitNeighbours(anEE);
for (; mySFS->MoreNeighbours(); mySFS->NextNeighbour()) {
const TopoDS_Shape& aNeignbE = mySFS->Neighbour();
myOrientedShapeMap.Add(aNeignbE);
//
aMap.Add(aNeignbE);
}
Eindex++;
Mextent = myOrientedShapeMap.Extent();
aGoOn = (Eindex <= Mextent);
} // end of while aGoOn
BOP_ConnexityBlock aConnexityBlock;
aConnexityBlock.SetShapes(aMap);
aConnexityBlock.SetRegularity(IsRegular);
myConnexityBlocks.Append(aConnexityBlock);
} // end of if (EnewinM)
} // end of for (; mySFS->MoreStartElements();...
}
//=======================================================================
// function: DoCorrections
// purpose:
//=======================================================================
void BOP_SFSCorrector::DoCorrections()
{
Standard_Boolean anIsRegular, anIsNothingToDo, anIsDone;
TopoDS_Shell aShell;
BOP_ListIteratorOfListOfConnexityBlock aCBIt;
//myNewSFS.Initialize(mySFS->Face());
anIsDone=Standard_False;
anIsNothingToDo=Standard_True;
aCBIt.Initialize(myConnexityBlocks);
for (; aCBIt.More(); aCBIt.Next()) {
const BOP_ConnexityBlock& aCB=aCBIt.Value();
const TopTools_ListOfShape& aListOfEdges=aCB.Shapes();
anIsRegular=aCB.IsRegular();
if (anIsRegular) {
MakeShell(aListOfEdges, aShell);
myNewSFS.AddShape (aShell);
continue;
}
//
// Treatment of non regular Connexity Block
BOP_ShellSplitter aShellSplitter;
aShellSplitter.DoWithListOfEdges(aListOfEdges);
anIsDone=aShellSplitter.IsDone();
anIsNothingToDo=aShellSplitter.IsNothingToDo();
if (!anIsDone || anIsNothingToDo) {
MakeShell(aListOfEdges, aShell);
myNewSFS.AddShape (aShell);
continue;
}
//
const BOPTColStd_ListOfListOfShape& aSSS=aShellSplitter.Shapes();
BOPTColStd_ListIteratorOfListOfListOfShape aShellIt(aSSS);
for (; aShellIt.More(); aShellIt.Next()) {
const TopTools_ListOfShape& aListF=aShellIt.Value();
//
MakeShell(aListF, aShell);
myNewSFS.AddShape (aShell);
}
}
}
//=======================================================================
// function: MakeShell
// purpose:
//=======================================================================
void MakeShell(const TopTools_ListOfShape& aLE,
TopoDS_Shell& newShell)
{
BRep_Builder aBB;
aBB.MakeShell(newShell);
TopTools_ListIteratorOfListOfShape anIt(aLE);
for (; anIt.More(); anIt.Next()){
const TopoDS_Face& aF=TopoDS::Face(anIt.Value());
aBB.Add(newShell, aF);
}
}
/////////////////////////////////////////////////////////////////
//
// myErrorStatus:
//
// 1 - Nothing is done because only constructor has been called
//
/////////////////////////////////////////////////////////////////
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