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Merge from V6_main 01/04/2013
[modules/geom.git] / src / GEOMImpl / GEOMImpl_ShapeDriver.cxx
index b2c57e879491014f2bf29bc787b988a62f014e4a..6dee4254b731a34d417514fa12d82e983fb3151b 100644 (file)
-
-#include <Standard_Stream.hxx>
+// Copyright (C) 2007-2013  CEA/DEN, EDF R&D, OPEN CASCADE
+//
+// Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
+// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
 
 #include <GEOMImpl_ShapeDriver.hxx>
+
 #include <GEOMImpl_IShapes.hxx>
-#include <GEOMImpl_IShapesOperations.hxx>
+#include <GEOMImpl_IVector.hxx>
 #include <GEOMImpl_Types.hxx>
+#include <GEOMImpl_Block6Explorer.hxx>
+
 #include <GEOM_Function.hxx>
 
-#include <BRep_Tool.hxx>
+// OCCT Includes
+#include <ShapeFix_Wire.hxx>
+#include <ShapeFix_Edge.hxx>
+#include <ShapeFix_Shape.hxx>
+
 #include <BRep_Builder.hxx>
+#include <BRep_Tool.hxx>
+#include <BRepAdaptor_Curve.hxx>
 #include <BRepAlgo_FaceRestrictor.hxx>
-#include <BRepBuilderAPI_Sewing.hxx>
 #include <BRepBuilderAPI_Copy.hxx>
-#include <BRepTools_Quilt.hxx>
+#include <BRepBuilderAPI_Sewing.hxx>
+#include <BRepBuilderAPI_MakeWire.hxx>
+#include <BRepBuilderAPI_MakeEdge.hxx>
 #include <BRepCheck.hxx>
 #include <BRepCheck_Analyzer.hxx>
 #include <BRepCheck_Shell.hxx>
 #include <BRepClass3d_SolidClassifier.hxx>
-#include <BRepBuilderAPI_MakeWire.hxx>
-#include <BRepBuilderAPI_MakeFace.hxx>
+#include <BRepLib.hxx>
+#include <BRepLib_MakeEdge.hxx>
+#include <BRepTools_WireExplorer.hxx>
+
+#include <ShapeAnalysis_FreeBounds.hxx>
 
 #include <TopAbs.hxx>
+#include <TopExp.hxx>
+#include <TopExp_Explorer.hxx>
 #include <TopoDS.hxx>
 #include <TopoDS_Shape.hxx>
 #include <TopoDS_Edge.hxx>
 #include <TopoDS_Wire.hxx>
+#include <TopoDS_Shell.hxx>
 #include <TopoDS_Solid.hxx>
 #include <TopoDS_Compound.hxx>
 #include <TopoDS_Iterator.hxx>
-#include <TopExp_Explorer.hxx>
+
 #include <TopTools_MapOfShape.hxx>
-#include <TopTools_SequenceOfShape.hxx>
-#include <TopTools_ListIteratorOfListOfShape.hxx>
+#include <TopTools_HSequenceOfShape.hxx>
+
+#include <ElCLib.hxx>
+
+#include <GCPnts_AbscissaPoint.hxx>
+
+#include <Geom_TrimmedCurve.hxx>
+#include <GeomAbs_CurveType.hxx>
+#include <GeomConvert_CompCurveToBSplineCurve.hxx>
+#include <GeomConvert.hxx>
+#include <GeomLProp.hxx>
+
+#include <TColStd_SequenceOfReal.hxx>
+#include <TColStd_HSequenceOfTransient.hxx>
+#include <TColStd_Array1OfReal.hxx>
+#include <TColGeom_SequenceOfCurve.hxx>
+#include <TColGeom_Array1OfBSplineCurve.hxx>
+#include <TColGeom_HArray1OfBSplineCurve.hxx>
 
 #include <Precision.hxx>
+
 #include <Standard_NullObject.hxx>
 #include <Standard_TypeMismatch.hxx>
 #include <Standard_ConstructionError.hxx>
 
+//modified by NIZNHY-PKV Wed Dec 28 13:48:20 2011f
+//static
+//  void KeepEdgesOrder(const Handle(TopTools_HSequenceOfShape)& aEdges,
+//                   const Handle(TopTools_HSequenceOfShape)& aWires);
+//modified by NIZNHY-PKV Wed Dec 28 13:48:23 2011t
+
 //=======================================================================
 //function : GetID
 //purpose  :
@@ -70,115 +128,174 @@ Standard_Integer GEOMImpl_ShapeDriver::Execute(TFunction_Logbook& log) const
   Standard_Integer aType = aFunction->GetType();
 
   TopoDS_Shape aShape;
+  TCollection_AsciiString aWarning;
+
   BRep_Builder B;
 
   if (aType == WIRE_EDGES) {
     Handle(TColStd_HSequenceOfTransient) aShapes = aCI.GetShapes();
-    unsigned int ind, nbshapes = aShapes->Length();
 
-    // add edges
-    BRepBuilderAPI_MakeWire MW;
-    for (ind = 1; ind <= nbshapes; ind++) {
-      Handle(GEOM_Function) aRefShape = Handle(GEOM_Function)::DownCast(aShapes->Value(ind));
-      TopoDS_Shape aShape_i = aRefShape->GetValue();
-      if (aShape_i.IsNull()) {
-        Standard_NullObject::Raise("Shape for wire construction is null");
-      }
-      if (aShape_i.ShapeType() == TopAbs_EDGE)
-       MW.Add(TopoDS::Edge(aShape_i));
-      else if (aShape_i.ShapeType() == TopAbs_WIRE)
-       MW.Add(TopoDS::Wire(aShape_i));
-      else
-        Standard_TypeMismatch::Raise
-          ("Shape for wire construction is neither an edge nor a wire");
-    }
-
-    if (!MW.IsDone()) {
-      Standard_ConstructionError::Raise("Wire construction failed");
-    }
-    aShape = MW;
+    Standard_Real aTolerance = aCI.GetTolerance();
+    if (aTolerance < Precision::Confusion())
+      aTolerance = Precision::Confusion();
 
-  } else if (aType == FACE_WIRE) {
+    aShape = MakeWireFromEdges(aShapes, aTolerance);
+  }
+  else if (aType == FACE_WIRE) {
     Handle(GEOM_Function) aRefBase = aCI.GetBase();
     TopoDS_Shape aShapeBase = aRefBase->GetValue();
-    if (aShapeBase.IsNull() || aShapeBase.ShapeType() != TopAbs_WIRE) {
+    if (aShapeBase.IsNull()) Standard_NullObject::Raise("Argument Shape is null");
+    TopoDS_Wire W;
+    if (aShapeBase.ShapeType() == TopAbs_WIRE) {
+      W = TopoDS::Wire(aShapeBase);
+      // check the wire is closed
+      TopoDS_Vertex aV1, aV2;
+      TopExp::Vertices(W, aV1, aV2);
+      if ( !aV1.IsNull() && !aV2.IsNull() && aV1.IsSame(aV2) )
+        aShapeBase.Closed(true);
+      else
+        Standard_NullObject::Raise
+          ("Shape for face construction is not closed");
+    }
+    else if (aShapeBase.ShapeType() == TopAbs_EDGE && aShapeBase.Closed()) {
+      BRepBuilderAPI_MakeWire MW;
+      MW.Add(TopoDS::Edge(aShapeBase));
+      if (!MW.IsDone()) {
+        Standard_ConstructionError::Raise("Wire construction failed");
+      }
+      W = MW;
+    }
+    else {
       Standard_NullObject::Raise
-        ("Shape for face construction is null or not a wire");
+        ("Shape for face construction is neither a wire nor a closed edge");
     }
-    TopoDS_Wire W = TopoDS::Wire(aShapeBase);
-    BRepBuilderAPI_MakeFace MF (W, aCI.GetIsPlanar());
-    if (!MF.IsDone()) {
+    aWarning = GEOMImpl_Block6Explorer::MakeFace(W, aCI.GetIsPlanar(), aShape);
+    if (aShape.IsNull()) {
       Standard_ConstructionError::Raise("Face construction failed");
     }
-    aShape = MF.Shape();
+  }
+  else if (aType == FACE_WIRES) {
+    // Try to build a face from a set of wires and edges
+    int ind;
 
-  } else if (aType == FACE_WIRES) {
     Handle(TColStd_HSequenceOfTransient) aShapes = aCI.GetShapes();
+    int nbshapes = aShapes->Length();
+    if (nbshapes < 1) {
+      Standard_ConstructionError::Raise("No wires or edges given");
+    }
+
+    // 1. Extract all edges from the given arguments
+    TopTools_MapOfShape aMapEdges;
+    Handle(TopTools_HSequenceOfShape) aSeqEdgesIn = new TopTools_HSequenceOfShape;
 
-    // first wire
-    Handle(GEOM_Function) aRefWire = Handle(GEOM_Function)::DownCast(aShapes->Value(1));
-    TopoDS_Shape aWire = aRefWire->GetValue();
-    if (aWire.IsNull() || aWire.ShapeType() != TopAbs_WIRE) {
-      Standard_NullObject::Raise("Shape for face construction is null or not a wire");
+    for (ind = 1; ind <= nbshapes; ind++) {
+      Handle(GEOM_Function) aRefSh_i = Handle(GEOM_Function)::DownCast(aShapes->Value(ind));
+      TopoDS_Shape aSh_i = aRefSh_i->GetValue();
+
+      TopExp_Explorer anExpE_i (aSh_i, TopAbs_EDGE);
+      for (; anExpE_i.More(); anExpE_i.Next()) {
+        if (aMapEdges.Add(anExpE_i.Current())) {
+          aSeqEdgesIn->Append(anExpE_i.Current());
+        }
+      }
     }
-    TopoDS_Wire W = TopoDS::Wire(aWire);
 
-    // basic face
-    BRepBuilderAPI_MakeFace MF (W, aCI.GetIsPlanar());
-    if (!MF.IsDone()) {
+    // 2. Connect edges to wires of maximum length
+    Handle(TopTools_HSequenceOfShape) aSeqWiresOut;
+    ShapeAnalysis_FreeBounds::ConnectEdgesToWires(aSeqEdgesIn, Precision::Confusion(),
+                                                  /*shared*/Standard_False, aSeqWiresOut);
+    //modified by NIZNHY-PKV Wed Dec 28 13:46:55 2011f
+    //KeepEdgesOrder(aSeqEdgesIn, aSeqWiresOut);
+    //modified by NIZNHY-PKV Wed Dec 28 13:46:59 2011t
+
+    // 3. Separate closed wires
+    Handle(TopTools_HSequenceOfShape) aSeqClosedWires = new TopTools_HSequenceOfShape;
+    Handle(TopTools_HSequenceOfShape) aSeqOpenWires = new TopTools_HSequenceOfShape;
+    for (ind = 1; ind <= aSeqWiresOut->Length(); ind++) {
+      if (aSeqWiresOut->Value(ind).Closed())
+        aSeqClosedWires->Append(aSeqWiresOut->Value(ind));
+      else
+        aSeqOpenWires->Append(aSeqWiresOut->Value(ind));
+    }
+
+    if (aSeqClosedWires->Length() < 1) {
+      Standard_ConstructionError::Raise
+        ("There is no closed contour can be built from the given arguments");
+    }
+
+    // 4. Build a face / list of faces from all the obtained closed wires
+
+    // 4.a. Basic face
+    TopoDS_Shape aFFace;
+    TopoDS_Wire aW1 = TopoDS::Wire(aSeqClosedWires->Value(1));
+    aWarning = GEOMImpl_Block6Explorer::MakeFace(aW1, aCI.GetIsPlanar(), aFFace);
+    if (aFFace.IsNull()) {
       Standard_ConstructionError::Raise("Face construction failed");
     }
-    TopoDS_Shape FFace = MF.Shape();
-    if (!FFace.IsNull()) {
-      unsigned int ind, nbshapes = aShapes->Length();
-      if (nbshapes == 1) {
-       aShape = FFace;
-
-      } else if (nbshapes >= 2) {
-       TopoDS_Compound C;
-       BRep_Builder aBuilder;
-       aBuilder.MakeCompound(C);
-       BRepAlgo_FaceRestrictor FR;
-
-       TopAbs_Orientation OriF = FFace.Orientation();
-       TopoDS_Shape aLocalS = FFace.Oriented(TopAbs_FORWARD);
-       FR.Init(TopoDS::Face(aLocalS), Standard_False, Standard_True);
-
-       for (ind = 1; ind <= nbshapes; ind++) {
-          Handle(GEOM_Function) aRefWire_i =
-            Handle(GEOM_Function)::DownCast(aShapes->Value(ind));
-          TopoDS_Shape aWire_i = aRefWire_i->GetValue();
-          if (aWire_i.IsNull() || aWire_i.ShapeType() != TopAbs_WIRE) {
-            Standard_NullObject::Raise("Shape for face construction is null or not a wire");
-          }
 
-         FR.Add(TopoDS::Wire(aWire_i));
-       }
-
-       FR.Perform();
-
-       if (FR.IsDone()) {
-         int k = 0;
-         TopoDS_Shape aFace;
-         for (; FR.More(); FR.Next()) {
-           aFace = FR.Current().Oriented(OriF);
-           aBuilder.Add(C, aFace);
-           k++;
-         }
-         if (k == 1) {
-           aShape = aFace;
-         } else {
-           aShape = C;
-         }
-       }
+    // 4.b. Add other wires
+    if (aSeqClosedWires->Length() == 1) {
+      aShape = aFFace;
+    }
+    else {
+      TopoDS_Compound C;
+      BRep_Builder aBuilder;
+      aBuilder.MakeCompound(C);
+      BRepAlgo_FaceRestrictor FR;
+
+      TopAbs_Orientation OriF = aFFace.Orientation();
+      TopoDS_Shape aLocalS = aFFace.Oriented(TopAbs_FORWARD);
+      FR.Init(TopoDS::Face(aLocalS), Standard_False, Standard_True);
+
+      for (ind = 1; ind <= aSeqClosedWires->Length(); ind++) {
+        TopoDS_Wire aW = TopoDS::Wire(aSeqClosedWires->Value(ind));
+        FR.Add(aW);
+      }
+
+      FR.Perform();
+
+      if (FR.IsDone()) {
+        int k = 0;
+        TopoDS_Shape aFace;
+        for (; FR.More(); FR.Next()) {
+          aFace = FR.Current().Oriented(OriF);
+          aBuilder.Add(C, aFace);
+          k++;
+        }
+        if (k == 1) {
+          aShape = aFace;
+        } else {
+          aShape = C;
+        }
       }
     }
-  } else if (aType == SHELL_FACES) {
+
+    // 5. Add all open wires to the result
+    if (aSeqOpenWires->Length() > 0) {
+      //Standard_ConstructionError::Raise("There are some open wires");
+      TopoDS_Compound C;
+      BRep_Builder aBuilder;
+      if (aSeqClosedWires->Length() == 1) {
+        aBuilder.MakeCompound(C);
+        aBuilder.Add(C, aShape);
+      }
+      else {
+        C = TopoDS::Compound(aShape);
+      }
+
+      for (ind = 1; ind <= aSeqOpenWires->Length(); ind++) {
+        aBuilder.Add(C, aSeqOpenWires->Value(ind));
+      }
+
+      aShape = C;
+    }
+  }
+  else if (aType == SHELL_FACES) {
     Handle(TColStd_HSequenceOfTransient) aShapes = aCI.GetShapes();
     unsigned int ind, nbshapes = aShapes->Length();
 
     // add faces
-    BRepBuilderAPI_Sewing aSewing(Precision::Confusion()*10.0);
+    BRepBuilderAPI_Sewing aSewing (Precision::Confusion()*10.0);
     for (ind = 1; ind <= nbshapes; ind++) {
       Handle(GEOM_Function) aRefShape = Handle(GEOM_Function)::DownCast(aShapes->Value(ind));
       TopoDS_Shape aShape_i = aRefShape->GetValue();
@@ -190,25 +307,59 @@ Standard_Integer GEOMImpl_ShapeDriver::Execute(TFunction_Logbook& log) const
 
     aSewing.Perform();
 
-    TopExp_Explorer exp (aSewing.SewedShape(), TopAbs_SHELL);
-    Standard_Integer ish = 0;
-    for (; exp.More(); exp.Next()) {
-      aShape = exp.Current();
-      ish++;
+    TopoDS_Shape sh = aSewing.SewedShape();
+
+    if (sh.ShapeType()==TopAbs_FACE && nbshapes==1) {
+      // case for creation of shell from one face - PAL12722 (skl 26.06.2006)
+      TopoDS_Shell ss;
+      B.MakeShell(ss);
+      B.Add(ss,sh);
+      aShape = ss;
     }
+    else {
+      //TopExp_Explorer exp (aSewing.SewedShape(), TopAbs_SHELL);
+      TopExp_Explorer exp (sh, TopAbs_SHELL);
+      Standard_Integer ish = 0;
+      for (; exp.More(); exp.Next()) {
+        aShape = exp.Current();
+        ish++;
+      }
+
+      if (ish != 1) {
+        // try the case of one face (Mantis issue 0021809)
+        TopExp_Explorer expF (sh, TopAbs_FACE);
+        Standard_Integer ifa = 0;
+        for (; expF.More(); expF.Next()) {
+          aShape = expF.Current();
+          ifa++;
+        }
 
-    if (ish != 1)
-      aShape = aSewing.SewedShape();
+        if (ifa == 1) {
+          TopoDS_Shell ss;
+          B.MakeShell(ss);
+          B.Add(ss,aShape);
+          aShape = ss;
+        }
+        else {
+          aShape = aSewing.SewedShape();
+        }
+      }
+    }
 
-  } else if (aType == SOLID_SHELL) {
+  }
+  else if (aType == SOLID_SHELL) {
     Handle(GEOM_Function) aRefShell = aCI.GetBase();
     TopoDS_Shape aShapeShell = aRefShell->GetValue();
+    if (!aShapeShell.IsNull() && aShapeShell.ShapeType() == TopAbs_COMPOUND) {
+      TopoDS_Iterator It (aShapeShell, Standard_True, Standard_True);
+      if (It.More()) aShapeShell = It.Value();
+    }
     if (aShapeShell.IsNull() || aShapeShell.ShapeType() != TopAbs_SHELL) {
       Standard_NullObject::Raise("Shape for solid construction is null or not a shell");
     }
 
     BRepCheck_Shell chkShell(TopoDS::Shell(aShapeShell));
-    if(chkShell.Closed() == BRepCheck_NotClosed) return 0;
+    if (chkShell.Closed() == BRepCheck_NotClosed) return 0;
 
     TopoDS_Solid Sol;
     B.MakeSolid(Sol);
@@ -222,7 +373,8 @@ Standard_Integer GEOMImpl_ShapeDriver::Execute(TFunction_Logbook& log) const
 
     aShape = Sol;
 
-  } else if (aType == SOLID_SHELLS) {
+  }
+  else if (aType == SOLID_SHELLS) {
     Handle(TColStd_HSequenceOfTransient) aShapes = aCI.GetShapes();
     unsigned int ind, nbshapes = aShapes->Length();
     Standard_Integer ish = 0;
@@ -236,24 +388,24 @@ Standard_Integer GEOMImpl_ShapeDriver::Execute(TFunction_Logbook& log) const
       if (aShapeShell.IsNull()) {
         Standard_NullObject::Raise("Shell for solid construction is null");
       }
+      if (aShapeShell.ShapeType() == TopAbs_COMPOUND) {
+        TopoDS_Iterator It (aShapeShell, Standard_True, Standard_True);
+        if (It.More()) aShapeShell = It.Value();
+      }
       if (aShapeShell.ShapeType() == TopAbs_SHELL) {
         B.Add(Sol, aShapeShell);
         ish++;
       }
     }
-    if ( ish == 0 ) return 0;
+    if (ish == 0) return 0;
     BRepClass3d_SolidClassifier SC (Sol);
     SC.PerformInfinitePoint(Precision::Confusion());
-    switch (SC.State()) {
-    case TopAbs_IN:
-      aShape = Sol.Reversed(); break;
-    case TopAbs_OUT:
-      aShape = Sol; break;
-    default: // not closed shell?
-      return 0;
-    }
-
-  } else if (aType == COMPOUND_SHAPES) {
+    if (SC.State() == TopAbs_IN)
+      aShape = Sol.Reversed();
+    else
+      aShape = Sol;
+  }
+  else if (aType == COMPOUND_SHAPES) {
     Handle(TColStd_HSequenceOfTransient) aShapes = aCI.GetShapes();
     unsigned int ind, nbshapes = aShapes->Length();
 
@@ -271,27 +423,116 @@ Standard_Integer GEOMImpl_ShapeDriver::Execute(TFunction_Logbook& log) const
 
     aShape = C;
 
-  } else if (aType == REVERSE_ORIENTATION) {
+  }
+  /*
+  else if (aType == REVERSE_ORIENTATION) {
     Handle(GEOM_Function) aRefShape = aCI.GetBase();
     TopoDS_Shape aShape_i = aRefShape->GetValue();
     if (aShape_i.IsNull()) {
        Standard_NullObject::Raise("Shape for reverse is null");
     }
-  
+
     BRepBuilderAPI_Copy Copy(aShape_i);
     if( Copy.IsDone() ) {
       TopoDS_Shape tds = Copy.Shape();
       if( tds.IsNull() ) {
-       Standard_ConstructionError::Raise("Orientation aborted : Can not reverse the shape");
+        Standard_ConstructionError::Raise("Orientation aborted : Can not reverse the shape");
       }
 
       if( tds.Orientation() == TopAbs_FORWARD)
-       tds.Orientation(TopAbs_REVERSED) ;
+        tds.Orientation(TopAbs_REVERSED);
       else
-       tds.Orientation(TopAbs_FORWARD) ;
+        tds.Orientation(TopAbs_FORWARD);
 
       aShape = tds;
-    } 
+    }
+  }
+  */
+  else if (aType == EDGE_WIRE) {
+    Handle(GEOM_Function) aRefBase = aCI.GetBase();
+    TopoDS_Shape aWire = aRefBase->GetValue();
+    Standard_Real LinTol = aCI.GetTolerance();
+    Standard_Real AngTol = aCI.GetAngularTolerance();
+    if (aWire.IsNull()) Standard_NullObject::Raise("Argument Wire is null");
+
+    aShape = MakeEdgeFromWire(aWire, LinTol, AngTol);
+  }
+  else if (aType == EDGE_CURVE_LENGTH) {
+    GEOMImpl_IVector aVI (aFunction);
+
+    // RefCurve
+    Handle(GEOM_Function) aRefCurve = aVI.GetPoint1();
+    if (aRefCurve.IsNull()) Standard_NullObject::Raise("Argument Curve is null");
+    TopoDS_Shape aRefShape1 = aRefCurve->GetValue();
+    if (aRefShape1.ShapeType() != TopAbs_EDGE) {
+      Standard_TypeMismatch::Raise
+        ("Edge On Curve creation aborted : curve shape is not an edge");
+    }
+    TopoDS_Edge aRefEdge = TopoDS::Edge(aRefShape1);
+    TopoDS_Vertex V1, V2;
+    TopExp::Vertices(aRefEdge, V1, V2, Standard_True);
+
+    // RefPoint
+    TopoDS_Vertex aRefVertex;
+    Handle(GEOM_Function) aRefPoint = aVI.GetPoint2();
+    if (aRefPoint.IsNull()) {
+      aRefVertex = V1;
+    }
+    else {
+      TopoDS_Shape aRefShape2 = aRefPoint->GetValue();
+      if (aRefShape2.ShapeType() != TopAbs_VERTEX) {
+        Standard_TypeMismatch::Raise
+          ("Edge On Curve creation aborted : start point shape is not a vertex");
+      }
+      aRefVertex = TopoDS::Vertex(aRefShape2);
+    }
+    gp_Pnt aRefPnt = BRep_Tool::Pnt(aRefVertex);
+
+    // Length
+    Standard_Real aLength = aVI.GetParameter();
+    //Standard_Real aCurveLength = IntTools::Length(aRefEdge);
+    //if (aLength > aCurveLength) {
+    //  Standard_ConstructionError::Raise
+    //    ("Edge On Curve creation aborted : given length is greater than edges length");
+    //}
+    if (fabs(aLength) < Precision::Confusion()) {
+      Standard_ConstructionError::Raise
+        ("Edge On Curve creation aborted : given length is smaller than Precision::Confusion()");
+    }
+
+    // Check orientation
+    Standard_Real UFirst, ULast;
+    Handle(Geom_Curve) EdgeCurve = BRep_Tool::Curve(aRefEdge, UFirst, ULast);
+    Handle(Geom_Curve) ReOrientedCurve = EdgeCurve;
+
+    Standard_Real dU = ULast - UFirst;
+    Standard_Real par1 = UFirst + 0.1 * dU;
+    Standard_Real par2 = ULast  - 0.1 * dU;
+
+    gp_Pnt P1 = EdgeCurve->Value(par1);
+    gp_Pnt P2 = EdgeCurve->Value(par2);
+
+    if (aRefPnt.SquareDistance(P2) < aRefPnt.SquareDistance(P1)) {
+      ReOrientedCurve = EdgeCurve->Reversed();
+      UFirst = EdgeCurve->ReversedParameter(ULast);
+    }
+
+    // Get the point by length
+    GeomAdaptor_Curve AdapCurve = GeomAdaptor_Curve(ReOrientedCurve);
+    GCPnts_AbscissaPoint anAbsPnt (AdapCurve, aLength, UFirst);
+    Standard_Real aParam = anAbsPnt.Parameter();
+
+    if (AdapCurve.IsClosed() && aLength < 0.0) {
+      Standard_Real aTmp = aParam;
+      aParam = UFirst;
+      UFirst = aTmp;
+    }
+
+    BRepBuilderAPI_MakeEdge aME (ReOrientedCurve, UFirst, aParam);
+    if (aME.IsDone())
+      aShape = aME.Shape();
+  }
+  else {
   }
 
   if (aShape.IsNull()) return 0;
@@ -299,16 +540,439 @@ Standard_Integer GEOMImpl_ShapeDriver::Execute(TFunction_Logbook& log) const
   // Check shape validity
   BRepCheck_Analyzer ana (aShape, false);
   if (!ana.IsValid()) {
-    Standard_ConstructionError::Raise("Algorithm have produced an invalid shape result");
+    //Standard_ConstructionError::Raise("Algorithm have produced an invalid shape result");
+    // For Mantis issue 0021772: EDF 2336 GEOM: Non valid face created from two circles
+    Handle(ShapeFix_Shape) aSfs = new ShapeFix_Shape (aShape);
+    aSfs->Perform();
+    aShape = aSfs->Shape();
   }
 
   aFunction->SetValue(aShape);
 
   log.SetTouched(Label());
 
+  if (!aWarning.IsEmpty())
+    Standard_Failure::Raise(aWarning.ToCString());
+
   return 1;
 }
 
+TopoDS_Wire GEOMImpl_ShapeDriver::MakeWireFromEdges(const Handle(TColStd_HSequenceOfTransient)& theEdgesFuncs,
+                                                    const Standard_Real theTolerance)
+{
+  BRep_Builder B;
+
+  TopoDS_Wire aWire;
+  B.MakeWire(aWire);
+
+  // add edges
+  for (unsigned int ind = 1; ind <= theEdgesFuncs->Length(); ind++) {
+    Handle(GEOM_Function) aRefShape = Handle(GEOM_Function)::DownCast(theEdgesFuncs->Value(ind));
+    TopoDS_Shape aShape_i = aRefShape->GetValue();
+    if (aShape_i.IsNull()) {
+      Standard_NullObject::Raise("Shape for wire construction is null");
+    }
+    if (aShape_i.ShapeType() == TopAbs_EDGE || aShape_i.ShapeType() == TopAbs_WIRE) {
+      TopExp_Explorer exp (aShape_i, TopAbs_EDGE);
+      for (; exp.More(); exp.Next())
+        B.Add(aWire, TopoDS::Edge(exp.Current()));
+    } else {
+      Standard_TypeMismatch::Raise
+        ("Shape for wire construction is neither an edge nor a wire");
+    }
+  }
+
+  // fix edges order
+  Handle(ShapeFix_Wire) aFW = new ShapeFix_Wire;
+  aFW->Load(aWire);
+  aFW->FixReorder();
+
+  if (aFW->StatusReorder(ShapeExtend_FAIL1)) {
+    Standard_ConstructionError::Raise("Wire construction failed: several loops detected");
+  }
+  else if (aFW->StatusReorder(ShapeExtend_FAIL)) {
+    Standard_ConstructionError::Raise("Wire construction failed");
+  }
+  else {
+  }
+
+  // IMP 0019766: Building a Wire from unconnected edges by introducing a tolerance
+  aFW->ClosedWireMode() = Standard_False;
+  aFW->FixConnected(theTolerance);
+  if (aFW->StatusConnected(ShapeExtend_FAIL)) {
+    Standard_ConstructionError::Raise("Wire construction failed: cannot build connected wire");
+  }
+  // IMP 0019766
+  if (aFW->StatusConnected(ShapeExtend_DONE3)) {
+    // Confused with <prec> but not Analyzer.Precision(), set the same
+    aFW->FixGapsByRangesMode() = Standard_True;
+    if (aFW->FixGaps3d()) {
+      Handle(ShapeExtend_WireData) sbwd = aFW->WireData();
+      Handle(ShapeFix_Edge) aFe = new ShapeFix_Edge;
+      for (Standard_Integer iedge = 1; iedge <= sbwd->NbEdges(); iedge++) {
+        TopoDS_Edge aEdge = TopoDS::Edge(sbwd->Edge(iedge));
+        aFe->FixVertexTolerance(aEdge);
+        aFe->FixSameParameter(aEdge);
+      }
+    }
+    else if (aFW->StatusGaps3d(ShapeExtend_FAIL)) {
+      Standard_ConstructionError::Raise("Wire construction failed: cannot fix 3d gaps");
+    }
+  }
+  aWire = aFW->WireAPIMake();
+
+  return aWire;
+}
+
+TopoDS_Edge GEOMImpl_ShapeDriver::MakeEdgeFromWire(const TopoDS_Shape& aWire,
+                                                   const Standard_Real LinTol,
+                                                   const Standard_Real AngTol)
+{
+    TopoDS_Edge ResEdge;
+
+    BRepLib::BuildCurves3d(aWire);
+    Handle(ShapeFix_Shape) Fixer = new ShapeFix_Shape(aWire);
+    Fixer->SetPrecision(LinTol);
+    Fixer->SetMaxTolerance(LinTol);
+    Fixer->Perform();
+    TopoDS_Wire theWire = TopoDS::Wire(Fixer->Shape());
+
+    TColGeom_SequenceOfCurve CurveSeq;
+    TopTools_SequenceOfShape LocSeq;
+    TColStd_SequenceOfReal FparSeq;
+    TColStd_SequenceOfReal LparSeq;
+    TColStd_SequenceOfReal TolSeq;
+    GeomAbs_CurveType CurType;
+    TopoDS_Vertex FirstVertex, LastVertex;
+    Standard_Boolean FinalReverse = Standard_False;
+
+    BRepTools_WireExplorer wexp(theWire) ;
+    for (; wexp.More(); wexp.Next())
+    {
+      TopoDS_Edge anEdge = wexp.Current();
+      Standard_Real fpar, lpar;
+      TopLoc_Location aLoc;
+      Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, aLoc, fpar, lpar);
+      if (aCurve.IsNull())
+        continue;
+
+      BRepAdaptor_Curve BAcurve(anEdge);
+      GeomAbs_CurveType aType = BAcurve.GetType();
+
+      Handle(Geom_Curve) aBasisCurve = BAcurve.Curve().Curve();
+
+      if (aBasisCurve->IsPeriodic())
+        ElCLib::AdjustPeriodic(aBasisCurve->FirstParameter(), aBasisCurve->LastParameter(),
+                               Precision::PConfusion(), fpar, lpar);
+
+      if (CurveSeq.IsEmpty())
+      {
+        CurveSeq.Append(aCurve);
+        TopoDS_Shape aLocShape;
+        aLocShape.Location(aLoc);
+        aLocShape.Orientation(wexp.Orientation());
+        LocSeq.Append(aLocShape);
+        FparSeq.Append(fpar);
+        LparSeq.Append(lpar);
+        CurType = aType;
+        FirstVertex = wexp.CurrentVertex();
+        if (anEdge.Orientation() == TopAbs_REVERSED)
+          FinalReverse = Standard_True;
+      }
+      else
+      {
+        Standard_Boolean Done = Standard_False;
+        Standard_Real NewFpar, NewLpar;
+        GeomAdaptor_Curve GAprevcurve(CurveSeq.Last());
+        TopoDS_Vertex CurVertex = wexp.CurrentVertex();
+        TopoDS_Vertex CurFirstVer = TopExp::FirstVertex(anEdge);
+        TopAbs_Orientation ConnectByOrigin = (CurVertex.IsSame(CurFirstVer))? TopAbs_FORWARD : TopAbs_REVERSED;
+        if (aCurve == CurveSeq.Last())
+        {
+          NewFpar = fpar;
+          NewLpar = lpar;
+          if (aBasisCurve->IsPeriodic())
+          {
+            if (NewLpar < NewFpar)
+              NewLpar += aBasisCurve->Period();
+            if (ConnectByOrigin == TopAbs_FORWARD)
+              ElCLib::AdjustPeriodic(FparSeq.Last(),
+                                     FparSeq.Last() + aBasisCurve->Period(),
+                                     Precision::PConfusion(), NewFpar, NewLpar);
+            else
+              ElCLib::AdjustPeriodic(FparSeq.Last() - aBasisCurve->Period(),
+                                     FparSeq.Last(),
+                                     Precision::PConfusion(), NewFpar, NewLpar);
+          }
+          Done = Standard_True;
+        }
+        else if (aType == CurType &&
+                 aType != GeomAbs_BezierCurve &&
+                 aType != GeomAbs_BSplineCurve &&
+                 aType != GeomAbs_OtherCurve)
+        {
+          switch (aType)
+          {
+          case GeomAbs_Line:
+            {
+              gp_Lin aLine    = BAcurve.Line();
+              gp_Lin PrevLine = GAprevcurve.Line();
+              if (aLine.Contains(PrevLine.Location(), LinTol) &&
+                  aLine.Direction().IsParallel(PrevLine.Direction(), AngTol))
+              {
+                gp_Pnt P1 = ElCLib::Value(fpar, aLine);
+                gp_Pnt P2 = ElCLib::Value(lpar, aLine);
+                NewFpar = ElCLib::Parameter(PrevLine, P1);
+                NewLpar = ElCLib::Parameter(PrevLine, P2);
+                if (NewLpar < NewFpar)
+                {
+                  Standard_Real MemNewFpar = NewFpar;
+                  NewFpar = NewLpar;
+                  NewLpar = MemNewFpar;
+                  ConnectByOrigin = TopAbs::Reverse(ConnectByOrigin);
+                }
+                Done = Standard_True;
+              }
+              break;
+            }
+          case GeomAbs_Circle:
+            {
+              gp_Circ aCircle    = BAcurve.Circle();
+              gp_Circ PrevCircle = GAprevcurve.Circle();
+              if (aCircle.Location().Distance(PrevCircle.Location()) <= LinTol &&
+                  Abs(aCircle.Radius() - PrevCircle.Radius()) <= LinTol &&
+                  aCircle.Axis().IsParallel(PrevCircle.Axis(), AngTol))
+              {
+                if (aCircle.Axis().Direction() * PrevCircle.Axis().Direction() < 0.)
+                {
+                  Standard_Real memfpar = fpar;
+                  fpar = lpar;
+                  lpar = memfpar;
+                  ConnectByOrigin = TopAbs::Reverse(ConnectByOrigin);
+                }
+                gp_Pnt P1 = ElCLib::Value(fpar, aCircle);
+                gp_Pnt P2 = ElCLib::Value(lpar, aCircle);
+                NewFpar = ElCLib::Parameter(PrevCircle, P1);
+                NewLpar = ElCLib::Parameter(PrevCircle, P2);
+                if (NewLpar < NewFpar)
+                  NewLpar += 2.*M_PI;
+                //Standard_Real MemNewFpar = NewFpar, MemNewLpar =  NewLpar;
+                if (ConnectByOrigin == TopAbs_FORWARD)
+                  ElCLib::AdjustPeriodic(FparSeq.Last(),
+                                         FparSeq.Last() + 2.*M_PI,
+                                         Precision::PConfusion(), NewFpar, NewLpar);
+                else
+                  ElCLib::AdjustPeriodic(FparSeq.Last() - 2.*M_PI,
+                                         FparSeq.Last(),
+                                         Precision::PConfusion(), NewFpar, NewLpar);
+                Done = Standard_True;
+              }
+              break;
+            }
+          case GeomAbs_Ellipse:
+            {
+              gp_Elips anEllipse   = BAcurve.Ellipse();
+              gp_Elips PrevEllipse = GAprevcurve.Ellipse();
+              if (anEllipse.Focus1().Distance(PrevEllipse.Focus1()) <= LinTol &&
+                  anEllipse.Focus2().Distance(PrevEllipse.Focus2()) <= LinTol &&
+                  Abs(anEllipse.MajorRadius() - PrevEllipse.MajorRadius()) <= LinTol &&
+                  Abs(anEllipse.MinorRadius() - PrevEllipse.MinorRadius()) <= LinTol &&
+                  anEllipse.Axis().IsParallel(PrevEllipse.Axis(), AngTol))
+              {
+                if (anEllipse.Axis().Direction() * PrevEllipse.Axis().Direction() < 0.)
+                {
+                  Standard_Real memfpar = fpar;
+                  fpar = lpar;
+                  lpar = memfpar;
+                  ConnectByOrigin = TopAbs::Reverse(ConnectByOrigin);
+                }
+                gp_Pnt P1 = ElCLib::Value(fpar, anEllipse);
+                gp_Pnt P2 = ElCLib::Value(lpar, anEllipse);
+                NewFpar = ElCLib::Parameter(PrevEllipse, P1);
+                NewLpar = ElCLib::Parameter(PrevEllipse, P2);
+                if (NewLpar < NewFpar)
+                  NewLpar += 2.*M_PI;
+                if (ConnectByOrigin == TopAbs_FORWARD)
+                  ElCLib::AdjustPeriodic(FparSeq.Last(),
+                                         FparSeq.Last() + 2.*M_PI,
+                                         Precision::PConfusion(), NewFpar, NewLpar);
+                else
+                  ElCLib::AdjustPeriodic(FparSeq.Last() - 2.*M_PI,
+                                         FparSeq.Last(),
+                                         Precision::PConfusion(), NewFpar, NewLpar);
+                Done = Standard_True;
+              }
+              break;
+            }
+          case GeomAbs_Hyperbola:
+            {
+              gp_Hypr aHypr    = BAcurve.Hyperbola();
+              gp_Hypr PrevHypr = GAprevcurve.Hyperbola();
+              if (aHypr.Focus1().Distance(PrevHypr.Focus1()) <= LinTol &&
+                  aHypr.Focus2().Distance(PrevHypr.Focus2()) <= LinTol &&
+                  Abs(aHypr.MajorRadius() - PrevHypr.MajorRadius()) <= LinTol &&
+                  Abs(aHypr.MinorRadius() - PrevHypr.MinorRadius()) <= LinTol &&
+                  aHypr.Axis().IsParallel(PrevHypr.Axis(), AngTol))
+              {
+                gp_Pnt P1 = ElCLib::Value(fpar, aHypr);
+                gp_Pnt P2 = ElCLib::Value(lpar, aHypr);
+                NewFpar = ElCLib::Parameter(PrevHypr, P1);
+                NewLpar = ElCLib::Parameter(PrevHypr, P2);
+                if (NewLpar < NewFpar)
+                {
+                  Standard_Real MemNewFpar = NewFpar;
+                  NewFpar = NewLpar;
+                  NewLpar = MemNewFpar;
+                  ConnectByOrigin = TopAbs::Reverse(ConnectByOrigin);
+                }
+                Done = Standard_True;
+              }
+              break;
+            }
+          case GeomAbs_Parabola:
+            {
+              gp_Parab aParab    = BAcurve.Parabola();
+              gp_Parab PrevParab = GAprevcurve.Parabola();
+              if (aParab.Location().Distance(PrevParab.Location()) <= LinTol &&
+                  aParab.Focus().Distance(PrevParab.Focus()) <= LinTol &&
+                  Abs(aParab.Focal() - PrevParab.Focal()) <= LinTol &&
+                  aParab.Axis().IsParallel(PrevParab.Axis(), AngTol))
+              {
+                gp_Pnt P1 = ElCLib::Value(fpar, aParab);
+                gp_Pnt P2 = ElCLib::Value(lpar, aParab);
+                NewFpar = ElCLib::Parameter(PrevParab, P1);
+                NewLpar = ElCLib::Parameter(PrevParab, P2);
+                if (NewLpar < NewFpar)
+                {
+                  Standard_Real MemNewFpar = NewFpar;
+                  NewFpar = NewLpar;
+                  NewLpar = MemNewFpar;
+                  ConnectByOrigin = TopAbs::Reverse(ConnectByOrigin);
+                }
+                Done = Standard_True;
+              }
+              break;
+            }
+          } //end of switch (aType)
+        } // end of else if (aType == CurType && ...
+        if (Done)
+        {
+          if (NewFpar < FparSeq.Last())
+            FparSeq(FparSeq.Length()) = NewFpar;
+          else
+            LparSeq(LparSeq.Length()) = NewLpar;
+        }
+        else
+        {
+          CurveSeq.Append(aCurve);
+          TopoDS_Shape aLocShape;
+          aLocShape.Location(aLoc);
+          aLocShape.Orientation(wexp.Orientation());
+          LocSeq.Append(aLocShape);
+          FparSeq.Append(fpar);
+          LparSeq.Append(lpar);
+          TolSeq.Append(BRep_Tool::Tolerance(CurVertex));
+          CurType = aType;
+        }
+      } // end of else (CurveSeq.IsEmpty()) -> not first time
+    } // end for (; wexp.More(); wexp.Next())
+
+    LastVertex = wexp.CurrentVertex();
+    TolSeq.Append(BRep_Tool::Tolerance(LastVertex));
+
+    TopoDS_Vertex FirstVtx_final = (FinalReverse)? LastVertex : FirstVertex;
+    FirstVtx_final.Orientation(TopAbs_FORWARD);
+    TopoDS_Vertex LastVtx_final = (FinalReverse)? FirstVertex : LastVertex;
+    LastVtx_final.Orientation(TopAbs_REVERSED);
+
+    if (!CurveSeq.IsEmpty())
+    {
+      Standard_Integer nb_curve = CurveSeq.Length();   //number of curves
+      TColGeom_Array1OfBSplineCurve tab(0,nb_curve-1);                    //array of the curves
+      TColStd_Array1OfReal tabtolvertex(0,nb_curve-1); //(0,nb_curve-2);  //array of the tolerances
+
+      Standard_Integer i;
+
+      if (nb_curve > 1)
+      {
+        for (i = 1; i <= nb_curve; i++)
+        {
+          if (CurveSeq(i)->IsInstance(STANDARD_TYPE(Geom_TrimmedCurve)))
+            CurveSeq(i) = (*((Handle(Geom_TrimmedCurve)*)&(CurveSeq(i))))->BasisCurve();
+
+          Handle(Geom_TrimmedCurve) aTrCurve = new Geom_TrimmedCurve(CurveSeq(i), FparSeq(i), LparSeq(i));
+          tab(i-1) = GeomConvert::CurveToBSplineCurve(aTrCurve);
+          tab(i-1)->Transform(LocSeq(i).Location().Transformation());
+          GeomConvert::C0BSplineToC1BSplineCurve(tab(i-1), Precision::Confusion());
+          if (LocSeq(i).Orientation() == TopAbs_REVERSED)
+            tab(i-1)->Reverse();
+
+          //Temporary
+          //char* name = new char[100];
+          //sprintf(name, "c%d", i);
+          //DrawTrSurf::Set(name, tab(i-1));
+
+          if (i > 1)
+            tabtolvertex(i-2) = TolSeq(i-1);
+        } // end for (i = 1; i <= nb_curve; i++)
+        tabtolvertex(nb_curve-1) = TolSeq(TolSeq.Length());
+
+        Standard_Boolean closed_flag = Standard_False;
+        Standard_Real closed_tolerance = 0.;
+        if (FirstVertex.IsSame(LastVertex) &&
+            GeomLProp::Continuity(tab(0), tab(nb_curve-1),
+                                  tab(0)->FirstParameter(),
+                                  tab(nb_curve-1)->LastParameter(),
+                                  Standard_False, Standard_False, LinTol, AngTol) >= GeomAbs_G1)
+        {
+          closed_flag = Standard_True ;
+          closed_tolerance = BRep_Tool::Tolerance(FirstVertex);
+        }
+
+        Handle(TColGeom_HArray1OfBSplineCurve)  concatcurve;     //array of the concatenated curves
+        Handle(TColStd_HArray1OfInteger)        ArrayOfIndices;  //array of the remining Vertex
+        GeomConvert::ConcatC1(tab,
+                              tabtolvertex,
+                              ArrayOfIndices,
+                              concatcurve,
+                              closed_flag,
+                              closed_tolerance);   //C1 concatenation
+
+        if (concatcurve->Length() > 1)
+        {
+          GeomConvert_CompCurveToBSplineCurve Concat(concatcurve->Value(concatcurve->Lower()));
+
+          for (i = concatcurve->Lower()+1; i <= concatcurve->Upper(); i++)
+            Concat.Add( concatcurve->Value(i), LinTol, Standard_True );
+
+          concatcurve->SetValue(concatcurve->Lower(), Concat.BSplineCurve());
+        }
+        // rnc : prevents the driver from building an edge without C1 continuity
+        if (concatcurve->Value(concatcurve->Lower())->Continuity()==GeomAbs_C0){
+          Standard_ConstructionError::Raise("Construction aborted : The given Wire has sharp bends between some Edges, no valid Edge can be built");
+        }
+        ResEdge = BRepLib_MakeEdge(concatcurve->Value(concatcurve->Lower()),
+                                   FirstVtx_final, LastVtx_final,
+                                   concatcurve->Value(concatcurve->Lower())->FirstParameter(),
+                                   concatcurve->Value(concatcurve->Lower())->LastParameter());
+      }
+      else
+      {
+        if (CurveSeq(1)->IsInstance(STANDARD_TYPE(Geom_TrimmedCurve)))
+          CurveSeq(1) = (*((Handle(Geom_TrimmedCurve)*)&(CurveSeq(1))))->BasisCurve();
+
+        CurveSeq(1)->Transform(LocSeq(1).Location().Transformation());
+        ResEdge = BRepLib_MakeEdge(CurveSeq(1),
+                                   FirstVtx_final, LastVtx_final,
+                                   FparSeq(1), LparSeq(1));
+      }
+    }
+
+    if (FinalReverse)
+      ResEdge.Reverse();
+
+    return ResEdge;
+}
 
 //=======================================================================
 //function :  GEOMImpl_ShapeDriver_Type_
@@ -327,10 +991,10 @@ Standard_EXPORT Handle_Standard_Type& GEOMImpl_ShapeDriver_Type_()
 
   static Handle_Standard_Transient _Ancestors[]= {aType1,aType2,aType3,NULL};
   static Handle_Standard_Type _aType = new Standard_Type("GEOMImpl_ShapeDriver",
-                                                        sizeof(GEOMImpl_ShapeDriver),
-                                                        1,
-                                                        (Standard_Address)_Ancestors,
-                                                        (Standard_Address)NULL);
+                                                         sizeof(GEOMImpl_ShapeDriver),
+                                                         1,
+                                                         (Standard_Address)_Ancestors,
+                                                         (Standard_Address)NULL);
 
   return _aType;
 }
@@ -349,5 +1013,74 @@ const Handle(GEOMImpl_ShapeDriver) Handle(GEOMImpl_ShapeDriver)::DownCast(const
      }
   }
 
-  return _anOtherObject ;
+  return _anOtherObject;
+}
+
+//modified by NIZNHY-PKV Wed Dec 28 13:48:31 2011f
+#include <TopoDS_Iterator.hxx>
+#include <TopTools_HSequenceOfShape.hxx>
+#include <ShapeAnalysis_FreeBounds.hxx>
+#include <TopTools_MapOfShape.hxx>
+#include <TopTools_MapOfOrientedShape.hxx>
+#include <BRep_Builder.hxx>
+#include <TopoDS_Wire.hxx>
+
+//=======================================================================
+//function : KeepEdgesOrder
+//purpose  : 
+//=======================================================================
+/*
+void KeepEdgesOrder(const Handle(TopTools_HSequenceOfShape)& aEdges,
+                   const Handle(TopTools_HSequenceOfShape)& aWires)
+{
+  Standard_Integer aNbWires, aNbEdges;
+  // 
+  if (aEdges.IsNull()) {
+    return;
+  }
+  //
+  if (aWires.IsNull()) {
+    return;
+  }
+  //
+  aNbEdges=aEdges->Length();
+  aNbWires=aWires->Length();
+  if (!aNbEdges || !aNbWires) {
+    return;
+  }
+  //-----
+  Standard_Boolean bClosed;
+  Standard_Integer i, j;
+  TopoDS_Wire aWy;
+  TopoDS_Iterator aIt;
+  BRep_Builder aBB;
+  TopTools_MapOfOrientedShape aMEx;
+  //
+  for (i=1; i<=aNbWires; ++i) {
+    const TopoDS_Shape& aWx=aWires->Value(i);
+    //
+    aMEx.Clear();
+    aIt.Initialize (aWx);
+    for (; aIt.More(); aIt.Next()) {
+      const TopoDS_Shape& aEx=aIt.Value();
+      aMEx.Add(aEx);
+    }
+    // aWy
+    aBB.MakeWire (aWy);
+    for (j=1; j<=aNbEdges; ++j) {
+      const TopoDS_Shape& aE=aEdges->Value(j);
+      if (aMEx.Contains(aE)) {
+       aBB.Add(aWy, aE);
+      }
+    }
+    //
+    bClosed=aWx.Closed();
+    aWy.Closed(bClosed);
+    //
+    aWires->Append(aWy);
+  }// for (i=1; i<=aNbWires; ++i) {
+  //
+  aWires->Remove(1, aNbWires);
 }
+*/
+//modified by NIZNHY-PKV Wed Dec 28 13:48:34 2011t