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PAL5838: fix done by PKV
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@ -31,7 +31,7 @@
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//=======================================================================
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//function : KeepShapesInside
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//purpose : remove shapes that are outside of S from resul
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//purpose : remove shapes that are outside of S from result
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//=======================================================================
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void NMTAlgo_Splitter::KeepShapesInside (const TopoDS_Shape& S)
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{
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@ -102,121 +102,150 @@
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//=======================================================================
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//function : RemoveShapesInside
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//purpose : remove shapes that are inside S from resul
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//purpose : remove shapes that are inside S from result
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//=======================================================================
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void NMTAlgo_Splitter::RemoveShapesInside (const TopoDS_Shape& S)
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void NMTAlgo_Splitter::RemoveShapesInside (const TopoDS_Shape& aS)
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{
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TopoDS_Iterator it;
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if (S.ShapeType() < TopAbs_SOLID) { // compound or compsolid
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for (it.Initialize( S ); it.More(); it.Next())
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RemoveShapesInside( it.Value());
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TopAbs_ShapeEnum aTypeS;
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//
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aTypeS=aS.ShapeType();
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if (aTypeS < TopAbs_SOLID) { // compound or compsolid
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it.Initialize(aS);
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for (; it.More(); it.Next()) {
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const TopoDS_Shape& aSx=it.Value();
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RemoveShapesInside(aSx);
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}
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return;
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}
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Standard_Boolean isTool = Standard_False;
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if (!myImageShape.HasImage( S )) {
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//isTool = CheckTool( S );
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//if (!isTool) return;
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return;
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}
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TopoDS_Shape IntFacesComp = FindFacesInside( S, Standard_False, Standard_True);
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//
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Standard_Boolean bFromTool, bIsClosed;
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Standard_Integer i, aNbE;
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TopoDS_Shape aIntFacesComp;
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TopoDS_Compound aC;
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TopTools_IndexedMapOfShape MIF; // map of internal faces
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TopExp::MapShapes( IntFacesComp, TopAbs_FACE, MIF);
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if (MIF.IsEmpty()) return;
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// add to MIF split faces of S
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if (myImageShape.HasImage(S))
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TopExp::MapShapes( myImageShape.Image(S).First(), TopAbs_FACE, MIF);
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// leave in the result only those shapes not having all face in MIF
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TopoDS_Compound C;
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myBuilder.MakeCompound(C);
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// RMF : faces of removed shapes that encounter once
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TopTools_MapOfShape RFM;
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for (it.Initialize( myShape ); it.More(); it.Next()) {
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TopExp_Explorer expResF( it.Value(), TopAbs_FACE );
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for (; expResF.More(); expResF.Next())
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if (!MIF.Contains( expResF.Current()))
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break;
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if (expResF.More())
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// add shape to result
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myBuilder.Add( C, it.Value() );
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else
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// add faces of a removed shape to RFM
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for (expResF.ReInit(); expResF.More(); expResF.Next()) {
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const TopoDS_Shape& F = expResF.Current();
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if ( ! RFM.Remove ( F ))
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RFM.Add( F );
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}
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TopTools_MapIteratorOfMapOfShape itF;
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TopTools_IndexedDataMapOfShapeListOfShape aMEF;
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//
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bFromTool=myToolShapes.Contains(aS);
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//
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if (!myImageShape.HasImage(aS)) {
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return;
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}
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if (!isTool) {
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// rebuild S, it must remain in the result
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Standard_Boolean isClosed = Standard_False;
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switch (S.ShapeType()) {
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case TopAbs_SOLID :
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isClosed = Standard_True; break;
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case TopAbs_SHELL: {
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TopTools_IndexedDataMapOfShapeListOfShape MEF;
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TopExp::MapShapesAndAncestors(S, TopAbs_EDGE, TopAbs_FACE, MEF);
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Standard_Integer i;
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for (i=1; isClosed && i<=MEF.Extent(); ++i)
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isClosed = ( MEF(i).Extent() != 1 );
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break;
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}
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default:
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isClosed = Standard_False;
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}
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if (isClosed) {
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// add to a new shape external faces of removed shapes, ie those in RFM
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TopoDS_Shell Shell;
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myBuilder.MakeShell( Shell );
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// exclude redundant internal face with edges encounterd only once
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TopTools_IndexedDataMapOfShapeListOfShape MEF;
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TopTools_MapIteratorOfMapOfShape itF (RFM);
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for ( ; itF.More(); itF.Next())
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TopExp::MapShapesAndAncestors(itF.Key(), TopAbs_EDGE, TopAbs_FACE, MEF);
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// add only faces forming a closed shell
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for (itF.Reset() ; itF.More(); itF.Next())
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{
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TopExp_Explorer expE (itF.Key(), TopAbs_EDGE);
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for (; expE.More(); expE.Next())
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if (MEF.FindFromKey(expE.Current()).Extent() == 1)
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break;
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if (!expE.More())
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myBuilder.Add( Shell, itF.Key());
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//
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aIntFacesComp = FindFacesInside(aS, Standard_False, Standard_True);
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//
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TopExp::MapShapes(aIntFacesComp, TopAbs_FACE, MIF);
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if (MIF.IsEmpty()) {
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return;
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}
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// add to MIF split faces of S
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const TopoDS_Shape& aSIm=myImageShape.Image(aS).First();
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TopExp::MapShapes(aSIm, TopAbs_FACE, MIF);
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//
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// leave in the result only those shapes not having all face in MIF
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myBuilder.MakeCompound(aC);
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//
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// RFM : faces of removed shapes that encounter once
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it.Initialize(myShape);
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for (; it.More(); it.Next()) {
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TopExp_Explorer expResF;
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//
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const TopoDS_Shape& aSR=it.Value();
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//
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expResF.Init(aSR, TopAbs_FACE);
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for (; expResF.More(); expResF.Next()) {
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const TopoDS_Shape& aFR=expResF.Current();
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if (!MIF.Contains(aFR)) {
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break;
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}
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if (S.ShapeType() == TopAbs_SOLID) {
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TopoDS_Solid Solid;
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myBuilder.MakeSolid( Solid );
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myBuilder.Add (Solid, Shell);
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myBuilder.Add (C, Solid);
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}
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else
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myBuilder.Add (C, Shell);
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}
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//
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if (expResF.More()) {
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// add shape to result
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myBuilder.Add(aC, aSR);
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}
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else {
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if (myImageShape.HasImage( S )) {
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for (it.Initialize( myImageShape.Image(S).First()); it.More(); it.Next())
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myBuilder.Add (C, it.Value());
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}
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// add faces of a removed shape to RFM
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if (!bFromTool) { //modified by NIZNHY-PKV Thu Dec 23 09:55:39 2004 ft
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for (expResF.ReInit(); expResF.More(); expResF.Next()) {
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const TopoDS_Shape& aF = expResF.Current();
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if (!RFM.Remove(aF)) {
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RFM.Add(aF);
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}
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}
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}//modified by NIZNHY-PKV Thu Dec 23 09:55:29 2004 ft
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}
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}// for (; it.More(); it.Next())
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//
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if (bFromTool) {
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myShape=aC;
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return;
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}
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//
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// bIsClosed
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bIsClosed = Standard_False;
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if (aTypeS==TopAbs_SOLID) {
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bIsClosed = Standard_True;
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}
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else if (aTypeS==TopAbs_SHELL) {
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aMEF.Clear();
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TopExp::MapShapesAndAncestors(aS, TopAbs_EDGE, TopAbs_FACE, aMEF);
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aNbE=aMEF.Extent();
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for (i=1; bIsClosed && i<=aNbE; ++i) {
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bIsClosed=(aMEF(i).Extent()!=1);
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}
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}
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myShape = C;
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//
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// rebuild S, it must remain in the result
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if (bIsClosed) {
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// add to a new shape external faces of removed shapes, ie those in RFM
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TopoDS_Shell aShell;
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//
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myBuilder.MakeShell(aShell);
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// exclude redundant internal face with edges encounterd only once
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aMEF.Clear();
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itF.Initialize (RFM);
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for (; itF.More(); itF.Next()) {
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const TopoDS_Shape& aF=itF.Key();
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TopExp::MapShapesAndAncestors(aF, TopAbs_EDGE, TopAbs_FACE, aMEF);
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}
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// add only faces forming a closed shell
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for (itF.Reset() ; itF.More(); itF.Next()) {
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const TopoDS_Shape& aF=itF.Key();
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TopExp_Explorer expE (aF, TopAbs_EDGE);
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for (; expE.More(); expE.Next()) {
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if (aMEF.FindFromKey(expE.Current()).Extent()==1) {
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break;
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}
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}
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if (!expE.More()) {
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myBuilder.Add(aShell, aF);
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}
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}
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//
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if (aTypeS==TopAbs_SOLID) {
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TopoDS_Solid aSolid;
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//
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myBuilder.MakeSolid(aSolid);
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myBuilder.Add (aSolid, aShell);
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myBuilder.Add (aC, aSolid);
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}
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else {
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myBuilder.Add (aC, aShell);
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}
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} // if (bIsClosed) {
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//
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else {
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it.Initialize(aSIm);
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for (; it.More(); it.Next()) {
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const TopoDS_Shape& aSx=it.Value();
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myBuilder.Add (aC, aSx);
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}
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}
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//
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myShape=aC;
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}
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//=======================================================================
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