+ BRepBuilderAPI_MakeWire* aWireBuilder = new BRepBuilderAPI_MakeWire;
+ aWireBuilder->Add(aListOfEdges);
+ if (aWireBuilder->Error() == BRepBuilderAPI_WireDone) {
+ setImpl(aWireBuilder);
+ setBuilderType(OCCT_BRepBuilderAPI_MakeShape);
+
+ // split the result wire
+ TopoDS_Wire aWire = aWireBuilder->Wire();
+ if (isSplitWire && BRep_Tool::IsClosed(aWire)) {
+ TopoDS_Wire aNewWire;
+ BRep_Builder aBuilder;
+ aBuilder.MakeWire(aNewWire);
+ for (TopExp_Explorer anExp(aWire, TopAbs_EDGE); anExp.More(); anExp.Next()) {
+ TopoDS_Edge aNewCurrent = TopoDS::Edge(anExp.Current());
+ if (isSplitWire) {
+ bool isToReshape = false;
+ BRepTools_ReShape aReshape;
+ TopoDS_Vertex aVF, aVL;
+ TopExp::Vertices(aNewCurrent, aVF, aVL);
+ gp_Pnt aPF = BRep_Tool::Pnt(aVF);
+ double aTolF = BRep_Tool::Tolerance(aVF);
+ gp_Pnt aPL = BRep_Tool::Pnt(aVL);
+ double aTolL = BRep_Tool::Tolerance(aVL);
+ if (aSplitPoint.SquareDistance(aPF) < aTolF * aTolF) {
+ aReshape.Replace(aVF, aReshape.CopyVertex(aVF));
+ isToReshape = true;
+ }
+ else if (aSplitPoint.SquareDistance(aPL) < aTolL * aTolL) {
+ aReshape.Replace(aVL, aReshape.CopyVertex(aVL));
+ isToReshape = true;
+ }
+ if (isToReshape) {
+ aNewCurrent = TopoDS::Edge(aReshape.Apply(aNewCurrent));
+ isSplitWire = false; // no need to continue splitting
+ }
+ }
+ aBuilder.Add(aNewWire, aNewCurrent);
+ }
+ aWire = aNewWire;
+ }
+
+ // store generated/modified shapes
+ for (TopTools_ListOfShape::Iterator aBaseIt(aListOfEdges); aBaseIt.More(); aBaseIt.Next()) {
+ TopoDS_Edge aBaseCurrent = TopoDS::Edge(aBaseIt.Value());
+ Standard_Real aFirst, aLast;
+ Handle(Geom_Curve) aBaseCurve = BRep_Tool::Curve(aBaseCurrent, aFirst, aLast);
+
+ for (TopExp_Explorer anExp(aWire, TopAbs_EDGE); anExp.More(); anExp.Next()) {
+ TopoDS_Edge aNewCurrent = TopoDS::Edge(anExp.Current());
+ Handle(Geom_Curve) aNewCurve = BRep_Tool::Curve(aNewCurrent, aFirst, aLast);
+ if (aBaseCurve == aNewCurve) {
+ GeomShapePtr aBaseShape = fromTopoDS(aBaseCurrent);
+ GeomShapePtr aNewShape = fromTopoDS(aNewCurrent);
+ addGenerated(aBaseShape, aNewShape);
+ addModified(aBaseShape, aNewShape);
+ }
+ }
+ }
+
+ setShape(fromTopoDS(aWire));
+ setDone(true);
+ }