+ // unite all vertexes/edges from projected result
+ BOPAlgo_Builder anAlgo;
+ TopExp_Explorer exp(projRes, TopAbs_EDGE);
+ for (;exp.More(); exp.Next())
+ {
+ const TopoDS_Edge& E = TopoDS::Edge(exp.Current());
+ if (E.Orientation() != TopAbs_INTERNAL)
+ anAlgo.AddArgument(E);
+ }
+ anAlgo.Perform();
+ int stat = anAlgo.ErrorStatus();
+ TopoDS_Shape projResConn = anAlgo.Shape();
+
+ // make wire => vertexes and edges should be untouched after this operation!
+ exp.Init(projResConn, TopAbs_EDGE);
+ //TopTools_ListOfShape llE;
+ //TopoDS_Wire RW;
+ //BRepLib_MakeWire WM;
+
+ //for (;exp.More();exp.Next())
+ // llE.Append(exp.Current());
+ //
+ //WM.Add(llE);
+ //outWire = WM.Wire();
+
+ //outWire.Orientation(inpWire.Orientation()); //take from the original wire
+
+ //history mode: edge to projected edges
+ if (E2PE)
+ {
+ TopExp_Explorer ex(inpWire, TopAbs_EDGE);
+ for (;ex.More();ex.Next())
+ {
+ const TopoDS_Edge& CE = TopoDS::Edge(ex.Current());
+ TopTools_ListOfShape NEL;
+ const TopTools_ListOfShape& LS = nproj.Generated(CE);
+ TopTools_ListIteratorOfListOfShape it(LS);
+ for (;it.More();it.Next())
+ {
+ const TopoDS_Shape& PCE = it.Value();
+ TopTools_ListOfShape PLS = anAlgo.Modified(PCE);
+ if (PLS.IsEmpty())
+ PLS.Append(PCE);
+ TopTools_ListIteratorOfListOfShape itp(PLS);
+ for (;itp.More();itp.Next())
+ NEL.Append(itp.Value());
+ }
+
+ E2PE->Bind(CE, NEL);
+ }
+ }
+}
+#include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
+bool HYDROData_DTM::Get2dFaceFrom3dPres(const TopoDS_Compound& cmp, TopoDS_Face& outF,
+ TopTools_SequenceOfShape* Boundr, std::set<int> ind )
+{
+ //ind : set of indices (starts with 0). index == number of boundary (inlet, outlet, etc..)
+ //in compound cmp.
+ //if Boundr is not null => this method will return sequence of boundary wires (inlet, outlet...)
+
+ Handle_Geom_Plane refpl = new Geom_Plane(gp_Pnt(0,0,0), gp_Dir(0,0,1));
+ TopTools_DataMapOfShapeListOfShape E2PE;
+ ProjWireOnPlane(cmp, refpl, &E2PE);
+ TopTools_ListOfShape ELL;
+
+ TopoDS_Iterator it(cmp);
+ int i = 0;
+ for (;it.More(); it.Next())
+ {
+ const TopoDS_Wire& W = TopoDS::Wire(it.Value());
+ if (W.Orientation() != TopAbs_INTERNAL)
+ {
+ TopoDS_Wire PW;
+ TopExp_Explorer ex(W, TopAbs_EDGE);
+ TopTools_ListOfShape LEpW;
+ TopTools_ListOfShape LEpWDummy;
+ for (;ex.More();ex.Next())
+ {
+ const TopoDS_Edge& CE = TopoDS::Edge(ex.Current());
+ TopTools_ListOfShape LS = E2PE.Find(CE);
+ LEpW.Append(LS);
+ }
+
+ if (ind.count(i) != 0)
+ {
+ BRepLib_MakeWire WM;
+ WM.Add(LEpW);
+ const TopoDS_Wire& WMW = WM.Wire();
+ //assume that wire is a straight line,
+ //take first and last vertex and make simple edge (RE)
+ TopoDS_Vertex VF, VL;
+ TopExp::Vertices(WMW, VF, VL);
+ TopoDS_Edge RE = BRepLib_MakeEdge(VF, VL).Edge();
+ if (RE.IsNull())
+ {
+ LEpWDummy = LEpW; //LEpW will be nullified after appending to ELL
+ ELL.Append(LEpW);
+ }
+ else
+ {
+ LEpWDummy.Append(RE);
+ ELL.Append(RE);
+ }
+ //TODO: in the new version of OCCT, USD can process separate wires
+ //ShapeUpgrade_UnifySameDomain USD(WMW, 1U, 0U, 1U); //concat bsplines
+ //USD.Build();
+ //const TopoDS_Shape& RSU = USD.Shape();
+ //TopExp_Explorer exp(RSU, TopAbs_EDGE);
+ //TopTools_ListOfShape DummyL;
+ //for (;it.More();it.Next())
+ // DummyL.Append(it.Value());
+ //if (DummyL.Extent() == 1)
+ // ELL.Append(DummyL.First()); //if one edge => accept this result
+ //else
+ // ELL.Append(LEpW); //else put 'as is'
+ }
+ else
+ {
+ LEpWDummy = LEpW;
+ ELL.Append(LEpW);
+ }
+
+ if (Boundr)
+ {
+ //make inlet, outlet, left/tight banks [wires]
+ //shouldn't change topology of the edges
+ BRepLib_MakeWire IWM;
+ IWM.Add(LEpWDummy);
+ Boundr->Append(IWM.Wire());
+ }
+ }
+ i++;
+ }