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Integration of OCCT 6.5.0 from SVN
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bugmaster
bugmaster
240
src/BRepLib/BRepLib_MakeWire_1.cxx
Executable file
240
src/BRepLib/BRepLib_MakeWire_1.cxx
Executable file
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// File: BRepLib_MakeWire_1.cxx
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// Created: Wed May 20 07:30:03 1998
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// Author: Didier PIFFAULT
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// <dpf@motox.paris1.matra-dtv.fr>
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#include <BRepLib_MakeWire.ixx>
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#include <BRepLib.hxx>
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#include <TopTools_MapOfShape.hxx>
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#include <TopTools_MapOfOrientedShape.hxx>
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#include <TopTools_MapIteratorOfMapOfShape.hxx>
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#include <TopTools_MapIteratorOfMapOfOrientedShape.hxx>
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#include <TopTools_DataMapOfShapeShape.hxx>
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#include <TopTools_ListOfShape.hxx>
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#include <TopTools_ListIteratorOfListOfShape.hxx>
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#include <BRep_Builder.hxx>
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#include <TopExp.hxx>
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#include <TopExp_Explorer.hxx>
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#include <TopoDS.hxx>
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#include <TopoDS_Vertex.hxx>
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#include <TopoDS_Edge.hxx>
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#include <TopoDS_Compound.hxx>
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#include <BRep_Tool.hxx>
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#include <gp_Pnt.hxx>
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#include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
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//=======================================================================
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//function : Add
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//purpose : Add the list of edges to the current wire
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//=======================================================================
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void BRepLib_MakeWire::Add(const TopTools_ListOfShape& L)
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{
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myError = BRepLib_WireDone;
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if (!myShape.IsNull()) myShape.Closed(Standard_False);
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if (!L.IsEmpty()) {
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NotDone();
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TopTools_MapOfShape mapLocale;
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mapLocale.Assign(myVertices);
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TopTools_DataMapOfShapeShape toCopy;
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TopTools_ListOfShape toAdd, nlist, rlist;
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BRep_Builder BB;
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TopExp_Explorer exv;
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TopTools_MapIteratorOfMapOfShape itMS;
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TopTools_ListIteratorOfListOfShape itList(L);
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for (;itList.More(); itList.Next()) {
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const TopoDS_Edge& curEd=TopoDS::Edge(itList.Value());
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if (!curEd.IsNull()) {
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rlist.Clear();
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nlist.Clear();
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Standard_Boolean copEd=Standard_False;
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if (myEdge.IsNull()) {
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Add(curEd);
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if (!VF.IsNull()) mapLocale.Add(VF);
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if (!VL.IsNull()) mapLocale.Add(VL);
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NotDone();
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continue;
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}
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for (exv.Init(curEd, TopAbs_VERTEX); exv.More(); exv.Next()) {
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const TopoDS_Vertex& edVer=TopoDS::Vertex(exv.Current());
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rlist.Prepend(edVer);
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nlist.Prepend(edVer);
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if (!mapLocale.Contains(edVer)) {
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#ifndef DEB
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Standard_Boolean notYetFound = Standard_True;
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#else
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Standard_Boolean notYetFound;
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#endif
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Standard_Real gap=BRep_Tool::Tolerance(edVer);
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gp_Pnt pVer=BRep_Tool::Pnt(edVer);
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for (itMS.Initialize(mapLocale); itMS.More(); itMS.Next()) {
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notYetFound=Standard_True;
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const TopoDS_Vertex& refVer=TopoDS::Vertex(itMS.Key());
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gap +=BRep_Tool::Tolerance(refVer);
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if (pVer.Distance(BRep_Tool::Pnt(TopoDS::Vertex(refVer))) <= gap) {
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nlist.RemoveFirst();
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nlist.Prepend(refVer.Oriented(edVer.Orientation()));
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copEd=Standard_True;
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notYetFound=Standard_False;
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break;
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}
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}
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if (notYetFound) mapLocale.Add(edVer);
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}
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}
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if (copEd) {
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TopoDS_Shape aLocalShape = curEd.EmptyCopied();
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TopoDS_Edge newEd=TopoDS::Edge(aLocalShape);
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// TopoDS_Edge newEd=TopoDS::Edge(curEd.EmptyCopied());
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BB.Transfert(curEd, newEd);
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newEd.Closed(curEd.Closed());
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TopTools_ListIteratorOfListOfShape itV(nlist);
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for (; itV.More(); itV.Next()) {
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BB.Add(newEd, itV.Value());
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BB.Transfert(curEd, newEd, TopoDS::Vertex(rlist.First()), TopoDS::Vertex(itV.Value()));
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rlist.RemoveFirst();
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}
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toAdd.Append(newEd);
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}
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else {
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toAdd.Append(curEd);
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}
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}
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}
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if (!toAdd.IsEmpty()) {
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TopoDS_Compound comp;
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BB.MakeCompound(comp);
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TopTools_MapIteratorOfMapOfOrientedShape itMOS;
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TopTools_MapOfOrientedShape theEdges;
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for (itList.Initialize(toAdd); itList.More(); itList.Next()) {
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BB.Add(comp, itList.Value());
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theEdges.Add(itList.Value());
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}
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TopTools_IndexedDataMapOfShapeListOfShape lesMeres;
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TopExp::MapShapesAndAncestors(comp, TopAbs_VERTEX, TopAbs_EDGE, lesMeres);
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TopoDS_Vertex vf, vl;
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TopoDS_Shape theKey;
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Standard_Boolean usedVertex;
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#ifndef DEB
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Standard_Boolean closedEdge = Standard_False;
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#else
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Standard_Boolean closedEdge;
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#endif
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Standard_Integer vvInd, lastInd;
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do {
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if (!VL.IsNull() && lesMeres.Contains(VL)) {
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if (!VF.IsNull()) closedEdge=VF.IsSame(VL);
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usedVertex=Standard_True;
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for (itList.Initialize(lesMeres.FindFromKey(VL)); itList.More(); itList.Next()) {
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if (theEdges.Contains(itList.Value())) {
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usedVertex=Standard_False;
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theEdges.Remove(itList.Value());
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TopExp::Vertices(TopoDS::Edge(itList.Value()), vf,vl);
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if (vf.IsSame(VL)) {
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BB.Add(myShape, itList.Value());
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myVertices.Add(vl);
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VL=vl;
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}
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else {
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if (closedEdge) {
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BB.Add(myShape, itList.Value());
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VF=vf;
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}
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else {
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BB.Add(myShape, itList.Value().Reversed());
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vf.Reverse();
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VL=vf;
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}
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myVertices.Add(vf);
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}
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}
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}
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if (usedVertex) {
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lastInd=lesMeres.Extent();
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vvInd=lesMeres.FindIndex(VL);
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if (vvInd != lastInd) {
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theKey=lesMeres.FindKey(lastInd);
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nlist=lesMeres.FindFromIndex(lastInd);
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}
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lesMeres.RemoveLast();
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if (vvInd != lastInd) {
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lesMeres.Substitute(vvInd, theKey, nlist);
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}
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}
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}
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else if (!VF.IsNull() && lesMeres.Contains(VF)) {
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usedVertex=Standard_True;
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for (itList.Initialize(lesMeres.FindFromKey(VF)); itList.More(); itList.Next()) {
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if (theEdges.Contains(itList.Value())) {
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usedVertex=Standard_False;
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theEdges.Remove(itList.Value());
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TopExp::Vertices(TopoDS::Edge(itList.Value()), vf,vl);
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if (vl.IsSame(VF)) {
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BB.Add(myShape, itList.Value());
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myVertices.Add(vf);
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VF=vf;
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}
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else {
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BB.Add(myShape, itList.Value().Reversed());
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vl.Reverse();
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myVertices.Add(vl);
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VF=vl;
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}
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}
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}
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if (usedVertex) {
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lastInd=lesMeres.Extent();
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vvInd=lesMeres.FindIndex(VF);
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if (vvInd != lastInd) {
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theKey=lesMeres.FindKey(lastInd);
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nlist=lesMeres.FindFromIndex(lastInd);
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}
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lesMeres.RemoveLast();
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if (vvInd != lastInd) {
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lesMeres.Substitute(vvInd, theKey, nlist);
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}
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}
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}
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else {
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if (theEdges.Extent()>0) {
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Standard_Boolean noCandidat=Standard_True;
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for (itMOS.Initialize(theEdges); itMOS.More(); itMOS.Next()) {
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TopExp::Vertices(TopoDS::Edge(itMOS.Key()), vf,vl);
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if (myVertices.Contains(vl)) {
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if (myError==BRepLib_WireDone) myError = BRepLib_NonManifoldWire;
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BB.Add(myShape, itMOS.Key());
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myVertices.Add(vf);
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VF=vf;
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noCandidat=Standard_False;
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break;
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}
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else if (myVertices.Contains(vf)) {
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if (myError==BRepLib_WireDone) myError = BRepLib_NonManifoldWire;
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BB.Add(myShape, itMOS.Key());
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myVertices.Add(vl);
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VL=vl;
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noCandidat=Standard_False;
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break;
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}
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}
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if (noCandidat) {
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theEdges.Clear();
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// Some Edges are not connected to first edge and the diagnosis is as follows
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// but the le "Maker" is Done() because otherwise it is not possible to return the constructed connected part...
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myError=BRepLib_DisconnectedWire;
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}
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else theEdges.Remove(itMOS.Key());
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}
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}
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} while (theEdges.Extent()>0);
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}
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}
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if (!VF.IsNull() && !VL.IsNull() && VF.IsSame(VL))
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myShape.Closed(Standard_True);
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Done();
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}
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