Salome HOME
Merge remote branch 'origin/V7_dev' into V8_0_0_BR
[modules/geom.git] / src / GEOMImpl / GEOMImpl_FillingDriver.cxx
index 1907c7e539f0188b48d104541fb746a51d96bbc2..6fc53d0b62ba0ac3e69acf0fe9e54de2c2406a21 100644 (file)
@@ -1,4 +1,4 @@
-// Copyright (C) 2007-2013  CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2007-2015  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
@@ -6,7 +6,7 @@
 // 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.
+// version 2.1 of the License, or (at your option) any later version.
 //
 // This library is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 
 #include <Basics_OCCTVersion.hxx>
 
-#include <ShapeFix_Face.hxx>
-
-#include <BRep_Tool.hxx>
 #include <BRepAlgo.hxx>
-#include <BRep_Builder.hxx>
-#include <BRepBuilderAPI_MakeFace.hxx>
 #include <BRepBuilderAPI_Copy.hxx>
+#include <BRepBuilderAPI_MakeFace.hxx>
+#include <BRep_Builder.hxx>
+#include <BRep_Tool.hxx>
+#include <BRepOffsetAPI_MakeFilling.hxx>
 
-#include <TopAbs.hxx>
-#include <TopExp_Explorer.hxx>
-#include <TopoDS.hxx>
-#include <TopoDS_Compound.hxx>
-#include <TopoDS_Edge.hxx>
-#include <TopoDS_Shape.hxx>
-#include <TopoDS_Vertex.hxx>
-
+#include <GeomAPI_PointsToBSpline.hxx>
+#include <GeomAPI_PointsToBSplineSurface.hxx>
+#include <GeomFill_AppSurf.hxx>
+#include <GeomFill_Line.hxx>
+#include <GeomFill_SectionGenerator.hxx>
+#include <Geom_BSplineCurve.hxx>
+#include <Geom_BSplineSurface.hxx>
+#include <Geom_BezierCurve.hxx>
+#include <Geom_Circle.hxx>
 #include <Geom_Curve.hxx>
+#include <Geom_Ellipse.hxx>
+#include <Geom_Line.hxx>
 #include <Geom_Surface.hxx>
 #include <Geom_TrimmedCurve.hxx>
-#include <Geom_Line.hxx>
-#include <Geom_Circle.hxx>
-#include <Geom_Ellipse.hxx>
-#include <Geom_BezierCurve.hxx>
-#include <Geom_BSplineCurve.hxx>
-#include <Geom_BSplineSurface.hxx>
-#include <GeomFill_Line.hxx>
-#include <GeomFill_AppSurf.hxx>
-#include <GeomFill_SectionGenerator.hxx>
-#include <GeomAPI_PointsToBSplineSurface.hxx>
-#include <GeomAPI_PointsToBSpline.hxx>
 
-#include <TColGeom_SequenceOfCurve.hxx>
+#include <Precision.hxx>
+#include <ShapeFix_Face.hxx>
 
-#include <TColgp_SequenceOfPnt.hxx>
+#include <TColGeom_SequenceOfCurve.hxx>
 #include <TColgp_Array1OfPnt.hxx>
+#include <TColgp_SequenceOfPnt.hxx>
 
-#include <Precision.hxx>
+#include <TopAbs.hxx>
+#include <TopExp_Explorer.hxx>
+#include <TopTools_SequenceOfShape.hxx>
+#include <TopoDS.hxx>
+#include <TopoDS_Compound.hxx>
+#include <TopoDS_Edge.hxx>
+#include <TopoDS_Face.hxx>
+#include <TopoDS_Shape.hxx>
+#include <TopoDS_Vertex.hxx>
 
 #include <Standard_ConstructionError.hxx>
 
@@ -98,286 +99,255 @@ Standard_Integer GEOMImpl_FillingDriver::Execute(TFunction_Logbook& log) const
   if (Label().IsNull()) return 0;
   Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
   if (aFunction.IsNull()) return 0;
-  if (aFunction->GetType() != BASIC_FILLING) return 0;
-
-  GEOMImpl_IFilling IF (aFunction);
-  Handle(GEOM_Function) aShapeFunction = IF.GetShape();
-  if (aShapeFunction.IsNull()) return 0;
-
   TopoDS_Shape aShape;
-  BRepBuilderAPI_Copy Copy (aShapeFunction->GetValue());
-  if (Copy.IsDone())
-    aShape = Copy.Shape();
-
-  if (aShape.IsNull() || aShape.ShapeType() != TopAbs_COMPOUND) return 0;
-
-  Standard_Integer mindeg = IF.GetMinDeg();
-  Standard_Integer maxdeg = IF.GetMaxDeg();
-  Standard_Real tol3d = IF.GetTol3D();
-  Standard_Boolean isApprox = IF.GetApprox();
+  GEOMImpl_IFilling IF (aFunction);
+  if( aFunction->GetType() == BASIC_FILLING )
+  {
+    GEOMImpl_IFilling IF (aFunction);
+    Standard_Integer   mindeg = IF.GetMinDeg();
+    Standard_Integer   maxdeg = IF.GetMaxDeg();
+    Standard_Real       tol3d = IF.GetTol3D();
+    Standard_Boolean isApprox = IF.GetApprox();
+
+    if (mindeg > maxdeg) {
+      Standard_RangeError::Raise("Minimal degree can not be more than maximal degree");
+    }
 
-  if (mindeg > maxdeg) {
-    Standard_RangeError::Raise("Minimal degree can not be more than maximal degree");
-  }
+    /* we verify the contents of the shape */
+    TopExp_Explorer Ex;
+    TopoDS_Shape Scurrent;
+    Standard_Real First, Last;
+    Handle(Geom_Curve) C;
+
+    TopoDS_Compound aComp;
+    BRep_Builder B;
+    B.MakeCompound(aComp);
+
+    // input is either a list or compound of contours
+    TopTools_SequenceOfShape contours;
+    Handle(TColStd_HSequenceOfTransient) aShapeFunctions = IF.GetShapes();
+    if ( aShapeFunctions.IsNull() || aShapeFunctions->IsEmpty() ) return 0;
+    for ( int i = 1; i <= aShapeFunctions->Length(); ++i )
+    {
+      Handle(GEOM_Function) fun = Handle(GEOM_Function)::DownCast( aShapeFunctions->Value( i ));
+      if ( fun.IsNull() ) return 0;
+      TopoDS_Shape s = fun->GetValue();
+      if ( s.IsNull() ) return 0;
+      BRepBuilderAPI_Copy Copy (s);
+      if ( Copy.IsDone() )
+        contours.Append( Copy.Shape() );
+    }
 
-  /* we verify the contents of the shape */
-  TopExp_Explorer Ex;
-  TopoDS_Shape Scurrent;
-  Standard_Real First, Last;
-  Handle(Geom_Curve) C;
-
-  TopoDS_Compound aComp;
-  BRep_Builder B;
-  B.MakeCompound(aComp);
-
-  // 1. Convert argument wires, if any, into BSpline edges
-  TopoDS_Iterator It (aShape);
-  for (; It.More(); It.Next()) {
-    Scurrent = It.Value();
-    if (Scurrent.ShapeType() != TopAbs_EDGE) {
-      Handle(Geom_BSplineCurve) newC;
-      if (Scurrent.ShapeType() == TopAbs_WIRE) {
-        TColgp_SequenceOfPnt PntSeq;
-        // collect points
-        for (Ex.Init(Scurrent, TopAbs_EDGE); Ex.More(); Ex.Next()) {
-          TopoDS_Edge E = TopoDS::Edge(Ex.Current());
-          if (BRep_Tool::Degenerated(E)) continue;
-          C = BRep_Tool::Curve(E, First, Last);
-          if( E.Orientation() == TopAbs_REVERSED ) {
-            C->Reverse();
-          }
-          Handle(Geom_TrimmedCurve) tc = Handle(Geom_TrimmedCurve)::DownCast(C);
-          while( !tc.IsNull() ) {
-            C = tc->BasisCurve();
-            tc = Handle(Geom_TrimmedCurve)::DownCast(C);
-          }
-          int nbp = 10;
-          if( C->IsKind(STANDARD_TYPE(Geom_Line)) ) {
-            nbp = 4;
-          }
-          else if( C->IsKind(STANDARD_TYPE(Geom_Circle)) || 
-                   C->IsKind(STANDARD_TYPE(Geom_Ellipse)) ) {
-            nbp = (int)25*fabs(Last-First)/(2.*M_PI);
-          }
-          else if( C->IsKind(STANDARD_TYPE(Geom_BezierCurve)) ) {
-            Handle(Geom_BezierCurve) C3d = Handle(Geom_BezierCurve)::DownCast(C);
-            nbp = C3d->NbPoles();
-          }
-          else if( C->IsKind(STANDARD_TYPE(Geom_BSplineCurve)) ) {
-            Handle(Geom_BSplineCurve) C3d = Handle(Geom_BSplineCurve)::DownCast(C);
-            nbp = C3d->NbPoles();
-          }
-          else {
-          }
-          if( nbp<4 ) nbp = 4;
-          double dp = (Last-First)/(nbp-1);
-          for(int i=1; i<nbp; i++) {
-            gp_Pnt P;
-            C->D0(First+dp*(i-1),P);
-            PntSeq.Append(P);
-          }
+    // 1. Convert argument wires, if any, into BSpline edges
+    for ( int i = 1; i <= contours.Length(); ++i )
+    {
+      Scurrent = contours.Value( i );
+      if (Scurrent.ShapeType() != TopAbs_EDGE) {
+      
+        if (Scurrent.ShapeType() == TopAbs_WIRE)
+        {
+          const TopoDS_Wire& CurWire = TopoDS::Wire(Scurrent);
+          TopoDS_Edge NewEdge = BRepAlgo::ConcatenateWireC0(CurWire);
+          if (NewEdge.IsNull())
+            Standard_ConstructionError::Raise("Failed to join several edges into one");
+          Scurrent = NewEdge;
         }
-        // add last point
-        gp_Pnt P;
-        C->D0(Last,P);
-        PntSeq.Append(P);
-        // create BSpline 
-        if(PntSeq.Length()>1) {
-          TColgp_Array1OfPnt Pnts(1,PntSeq.Length());
-          // check orientation of wire
-          if( Scurrent.Orientation() == TopAbs_REVERSED ) {
-            for(int i=1; i<=PntSeq.Length(); i++) {
-              Pnts.SetValue(PntSeq.Length()-i+1,PntSeq.Value(i));
-            }
+        else if (Scurrent.ShapeType() == TopAbs_COMPOUND)
+        {
+          for ( TopoDS_Iterator It( Scurrent ); It.More(); It.Next() )
+            contours.Append( It.Value() );
+          continue;
+        }
+        else
+        {
+          Standard_ConstructionError::Raise("Input must contain only edges or/and wires");
+        }
+      }
+      B.Add(aComp,Scurrent);
+    }
+    aShape = aComp;
+
+    // 2. The surface construction
+    if (!isApprox) {
+      // make filling as in old version of SALOME (before 4.1.1)
+
+      Standard_Real      tol2d = IF.GetTol2D();
+      Standard_Integer  nbiter = IF.GetNbIter();
+      Standard_Integer aMethod = IF.GetMethod();
+
+      GeomFill_SectionGenerator Section;
+      Standard_Integer i = 0;
+      Handle(Geom_Curve) aLastC;
+      gp_Pnt PL1,PL2;
+      for (Ex.Init(aShape, TopAbs_EDGE); Ex.More(); Ex.Next()) {
+        Scurrent = Ex.Current();
+        if (Scurrent.IsNull() || Scurrent.ShapeType() != TopAbs_EDGE) return 0;
+        if (BRep_Tool::Degenerated(TopoDS::Edge(Scurrent))) continue;
+        C = BRep_Tool::Curve(TopoDS::Edge(Scurrent), First, Last);
+        //if (Scurrent.Orientation() == TopAbs_REVERSED)
+        //  // Mantis isuue 0020659: consider the orientation of the edges
+        //  C = new Geom_TrimmedCurve(C, Last, First);
+        //else
+        //  C = new Geom_TrimmedCurve(C, First, Last);
+        C = new Geom_TrimmedCurve(C, First, Last);
+        gp_Pnt P1,P2;
+        C->D0(First,P1);
+        C->D0(Last,P2);
+
+        if (aMethod == 1 && Scurrent.Orientation() == TopAbs_REVERSED) {
+          C->Reverse();
+        }
+        else if (aMethod == 2) {
+          if (i == 0) {
+            PL1 = P1;
+            PL2 = P2;
           }
           else {
-            for(int i=1; i<=PntSeq.Length(); i++) {
-              Pnts.SetValue(i,PntSeq.Value(i));
+            double d1 = PL1.Distance(P1) + PL2.Distance(P2);
+            double d2 = PL1.Distance(P2) + PL2.Distance(P1);
+            if (d2 < d1) {
+              C->Reverse();
+              PL1 = P2;
+              PL2 = P1;
+            }
+            else {
+              PL1 = P1;
+              PL2 = P2;
             }
           }
-          GeomAPI_PointsToBSpline PTB (Pnts);
-          newC = Handle(Geom_BSplineCurve)::DownCast(PTB.Curve());
-          // set periodic flag if curve is closed
-          //if( newC->IsClosed() ) {
-          //  newC->SetPeriodic();
-          //}
-          // create edge
-          double fp = newC->FirstParameter();
-          double lp = newC->FirstParameter();
-          gp_Pnt PF,PL;
-          newC->D0(fp,PF);
-          newC->D0(lp,PL);
-          TopoDS_Vertex VF,VL;
-          B.MakeVertex(VF,PF,1.e-7);
-          B.MakeVertex(VL,PL,1.e-7);
-          TopoDS_Edge newE;
-          B.MakeEdge(newE,newC,1.e-7);
-          B.Add(newE,VF);
-          B.Add(newE,VL.Reversed());
-          Scurrent = newE;
         }
+
+        Section.AddCurve(C);
+        i++;
       }
-      if (newC.IsNull()) {
-        Standard_ConstructionError::Raise("The argument compound must contain only edges");
-      }
+
+      /* a 'tolerance' is used to compare 2 knots : see GeomFill_Generator.cdl */
+      Section.Perform(Precision::PConfusion());
+      Handle(GeomFill_Line) Line = new GeomFill_Line(i);
+
+      GeomFill_AppSurf App (mindeg, maxdeg, tol3d, tol2d, nbiter); /* user parameters */
+      App.Perform(Line, Section);
+
+      if (!App.IsDone()) return 0;
+      Standard_Integer UDegree, VDegree, NbUPoles, NbVPoles, NbUKnots, NbVKnots;
+      App.SurfShape(UDegree, VDegree, NbUPoles, NbVPoles, NbUKnots, NbVKnots);
+      Handle(Geom_BSplineSurface) GBS = new Geom_BSplineSurface
+        (App.SurfPoles(), App.SurfWeights(), App.SurfUKnots(), App.SurfVKnots(),
+         App.SurfUMults(), App.SurfVMults(), App.UDegree(), App.VDegree());
+
+      if (GBS.IsNull()) return 0;
+      aShape = BRepBuilderAPI_MakeFace(GBS, Precision::Confusion());
     }
-    B.Add(aComp,Scurrent);
-  }
-  aShape = aComp;
-
-  // 2. The surface construction
-  if (!isApprox) {
-    // make filling as in old version of SALOME (before 4.1.1)
-
-    Standard_Real tol2d = IF.GetTol2D();
-    Standard_Integer nbiter = IF.GetNbIter();
-    Standard_Integer aMethod = IF.GetMethod();
-
-    GeomFill_SectionGenerator Section;
-    Standard_Integer i = 0;
-    Handle(Geom_Curve) aLastC;
-    gp_Pnt PL1,PL2;
-    for (Ex.Init(aShape, TopAbs_EDGE); Ex.More(); Ex.Next()) {
-      Scurrent = Ex.Current();
-      if (Scurrent.IsNull() || Scurrent.ShapeType() != TopAbs_EDGE) return 0;
-      if (BRep_Tool::Degenerated(TopoDS::Edge(Scurrent))) continue;
-      C = BRep_Tool::Curve(TopoDS::Edge(Scurrent), First, Last);
-      //if (Scurrent.Orientation() == TopAbs_REVERSED)
-      //  // Mantis isuue 0020659: consider the orientation of the edges
-      //  C = new Geom_TrimmedCurve(C, Last, First);
-      //else
-      //  C = new Geom_TrimmedCurve(C, First, Last);
-      C = new Geom_TrimmedCurve(C, First, Last);
-      gp_Pnt P1,P2;
-      C->D0(First,P1);
-      C->D0(Last,P2);
-
-      if (aMethod == 1 && Scurrent.Orientation() == TopAbs_REVERSED) {
-        C->Reverse();
-      }
-      else if (aMethod == 2) {
-        if (i == 0) {
-          PL1 = P1;
-          PL2 = P2;
+    else {
+      // implemented by skl 20.03.2008 for bug 16568
+      // make approximation - try to create bspline surface
+      // using GeomAPI_PointsToBSplineSurface
+
+      TColGeom_SequenceOfCurve aSeq;
+      int MaxNbPoles = 0;
+
+      // add curves from edges to sequence and find maximal
+      // number of poles if some of them are bsplines
+      for (Ex.Init(aShape, TopAbs_EDGE); Ex.More(); Ex.Next()) {
+        Scurrent = Ex.Current();
+        if (Scurrent.IsNull() || Scurrent.ShapeType() != TopAbs_EDGE) return 0;
+        if (BRep_Tool::Degenerated(TopoDS::Edge(Scurrent))) continue;
+        C = BRep_Tool::Curve(TopoDS::Edge(Scurrent), First, Last);
+        Handle(Geom_TrimmedCurve) TC = Handle(Geom_TrimmedCurve)::DownCast(C);
+        if (TC.IsNull()) {
+          Handle(Geom_BSplineCurve) BC = Handle(Geom_BSplineCurve)::DownCast(C);
+          if (!BC.IsNull()) {
+            MaxNbPoles = Max(MaxNbPoles,BC->NbPoles());
+          }
         }
         else {
-          double d1 = PL1.Distance(P1) + PL2.Distance(P2);
-          double d2 = PL1.Distance(P2) + PL2.Distance(P1);
-          if (d2 < d1) {
-            C->Reverse();
-            PL1 = P2;
-            PL2 = P1;
+          Handle(Geom_BSplineCurve) BC = Handle(Geom_BSplineCurve)::DownCast(TC->BasisCurve());
+          if (BC.IsNull()) {
+            Handle(Geom_TrimmedCurve) TC1 = Handle(Geom_TrimmedCurve)::DownCast(TC->BasisCurve());
+            if (!TC1.IsNull()) {
+              BC = Handle(Geom_BSplineCurve)::DownCast(TC1->BasisCurve());
+            }
           }
-          else {
-            PL1 = P1;
-            PL2 = P2;
+          if (!BC.IsNull()) {
+            MaxNbPoles = Max(MaxNbPoles,BC->NbPoles());
           }
         }
+        aSeq.Append(C);
       }
-
-      Section.AddCurve(C);
-      i++;
+      // prepare array of points for creation bspline surface
+      // size of this array: by U parameter - number of curves,
+      // by V parameter - determ using MaxNbPoles but it's
+      // value must be between 21(min) and 101(max)
+      int nbc = aSeq.Length();
+      int nbp = Max(21, 2*MaxNbPoles-1);
+
+      // commented for Mantis issue 0021541
+      //if (nbp > 101) nbp = 101;
+
+      TColgp_Array2OfPnt Points (1, nbc, 1, nbp);
+      int ic = 1;
+      for (; ic <= nbc; ic++) {
+        Handle(Geom_Curve) C = aSeq.Value(ic);
+        double fp = C->FirstParameter();
+        double lp = C->LastParameter();
+        double dp = (lp-fp)/(nbp-1);
+        int j = 0;
+        gp_Pnt P;
+        for (; j < nbp; j++) {
+          C->D0(fp+dp*j, P);
+          Points.SetValue(ic, j+1, P);
+       }
+      }
+      GeomAPI_PointsToBSplineSurface PTB (Points, mindeg, maxdeg, GeomAbs_C2, tol3d);
+      Handle(Geom_BSplineSurface) BS = PTB.Surface();
+      BRepBuilderAPI_MakeFace BB (BS, Precision::Confusion());
+      TopoDS_Face NewF = BB.Face();
+      Handle(ShapeFix_Face) sff = new ShapeFix_Face (NewF);
+      sff->Perform();
+      sff->FixOrientation();
+      aShape = sff->Face();
     }
-
-    /* a 'tolerance' is used to compare 2 knots : see GeomFill_Generator.cdl */
-    Section.Perform(Precision::Confusion());
-    Handle(GeomFill_Line) Line = new GeomFill_Line(i);
-
-    GeomFill_AppSurf App (mindeg, maxdeg, tol3d, tol2d, nbiter); /* user parameters */
-    App.Perform(Line, Section);
-
-    if (!App.IsDone()) return 0;
-    Standard_Integer UDegree, VDegree, NbUPoles, NbVPoles, NbUKnots, NbVKnots;
-    App.SurfShape(UDegree, VDegree, NbUPoles, NbVPoles, NbUKnots, NbVKnots);
-    Handle(Geom_BSplineSurface) GBS = new Geom_BSplineSurface
-      (App.SurfPoles(), App.SurfWeights(), App.SurfUKnots(), App.SurfVKnots(),
-       App.SurfUMults(), App.SurfVMults(), App.UDegree(), App.VDegree());
-
-    if (GBS.IsNull()) return 0;
-#if OCC_VERSION_LARGE > 0x06050100 // for OCC-6.5.2 and higher version
-    aShape = BRepBuilderAPI_MakeFace(GBS, Precision::Confusion());
-#else
-    aShape = BRepBuilderAPI_MakeFace(GBS);
-#endif
   }
-  else {
-    // implemented by skl 20.03.2008 for bug 16568
-    // make approximation - try to create bspline surface
-    // using GeomAPI_PointsToBSplineSurface
-
-    TColGeom_SequenceOfCurve aSeq;
-    int MaxNbPoles = 0;
-
-    // add curves from edges to sequence and find maximal
-    // number of poles if some of them are bsplines
-    for (Ex.Init(aShape, TopAbs_EDGE); Ex.More(); Ex.Next()) {
-      Scurrent = Ex.Current();
-      if (Scurrent.IsNull() || Scurrent.ShapeType() != TopAbs_EDGE) return 0;
-      if (BRep_Tool::Degenerated(TopoDS::Edge(Scurrent))) continue;
-      C = BRep_Tool::Curve(TopoDS::Edge(Scurrent), First, Last);
-      Handle(Geom_TrimmedCurve) TC = Handle(Geom_TrimmedCurve)::DownCast(C);
-      if (TC.IsNull()) {
-        Handle(Geom_BSplineCurve) BC = Handle(Geom_BSplineCurve)::DownCast(C);
-        if (!BC.IsNull()) {
-          MaxNbPoles = Max(MaxNbPoles,BC->NbPoles());
-        }
-      }
+  else if( aFunction->GetType() == FILLING_ON_CONSTRAINTS )
+  {
+    BRepOffsetAPI_MakeFilling MakeFilling;
+
+    Handle(TColStd_HSequenceOfTransient) aConstraints = IF.GetShapes();
+
+    for ( unsigned int ind = 1; ind <= aConstraints->Length(); ind++ ) {
+      TopoDS_Edge E;
+      TopoDS_Face F;
+      Handle(GEOM_Function) aRefShape = Handle(GEOM_Function)::DownCast( aConstraints->Value(ind) );
+      if ( !aRefShape->GetValue().IsNull() && aRefShape->GetValue().ShapeType() == TopAbs_EDGE )
+        E = TopoDS::Edge(aRefShape->GetValue() );
       else {
-        Handle(Geom_BSplineCurve) BC = Handle(Geom_BSplineCurve)::DownCast(TC->BasisCurve());
-        if (BC.IsNull()) {
-          Handle(Geom_TrimmedCurve) TC1 = Handle(Geom_TrimmedCurve)::DownCast(TC->BasisCurve());
-          if (!TC1.IsNull()) {
-            BC = Handle(Geom_BSplineCurve)::DownCast(TC1->BasisCurve());
-          }
-        }
-        if (!BC.IsNull()) {
-          MaxNbPoles = Max(MaxNbPoles,BC->NbPoles());
+        Standard_RangeError::Raise("Wrong parameters");
+      }
+      if ( ind < aConstraints->Length() ) {
+        Handle(GEOM_Function) aRefFaceShape = Handle(GEOM_Function)::DownCast( aConstraints->Value(ind+1) );
+        if ( !aRefFaceShape->GetValue().IsNull() && aRefFaceShape->GetValue().ShapeType() == TopAbs_FACE ) {
+          F = TopoDS::Face( aRefFaceShape->GetValue() );
+          ind++;
         }
       }
-      aSeq.Append(C);
+      if ( !F.IsNull() )
+        MakeFilling.Add( E, F, GeomAbs_G1 );
+      else
+        MakeFilling.Add( E, GeomAbs_C0 );
     }
-    // prepare array of points for creation bspline surface
-    // size of this array: by U parameter - number of curves,
-    // by V parameter - determ using MaxNbPoles but it's
-    // value must be between 21(min) and 101(max)
-    int nbc = aSeq.Length();
-    int nbp = Max(21, 2*MaxNbPoles-1);
-
-    // commented for Mantis issue 0021541
-    //if (nbp > 101) nbp = 101;
-
-    TColgp_Array2OfPnt Points (1, nbc, 1, nbp);
-    int ic = 1;
-    for (; ic <= nbc; ic++) {
-      Handle(Geom_Curve) C = aSeq.Value(ic);
-      double fp = C->FirstParameter();
-      double lp = C->LastParameter();
-      double dp = (lp-fp)/(nbp-1);
-      int j = 0;
-      gp_Pnt P;
-      for (; j < nbp; j++) {
-        C->D0(fp+dp*j, P);
-        Points.SetValue(ic, j+1, P);
-     }
+
+    MakeFilling.Build();
+    if ( !MakeFilling.IsDone() )
+    {
+      Standard_RangeError::Raise("Filling on constraints failed");
     }
-    GeomAPI_PointsToBSplineSurface PTB (Points, mindeg, maxdeg, GeomAbs_C2, tol3d);
-    Handle(Geom_BSplineSurface) BS = PTB.Surface();
-#if OCC_VERSION_LARGE > 0x06050100 // for OCC-6.5.2 and higher version
-    BRepBuilderAPI_MakeFace BB (BS, Precision::Confusion());
-#else
-    BRepBuilderAPI_MakeFace BB (BS);
-#endif
-    TopoDS_Face NewF = BB.Face();
-    Handle(ShapeFix_Face) sff = new ShapeFix_Face (NewF);
-    sff->Perform();
-    sff->FixOrientation();
-    aShape = sff->Face();
+
+    aShape = TopoDS::Face( MakeFilling.Shape() );
   }
 
   /* We test the validity of resulting shape */
   if (!BRepAlgo::IsValid((aShape))) {
     Standard_ConstructionError::Raise("Algorithm has produced an invalid shape result");
-    return 0;
   }
 
   aFunction->SetValue(aShape);
@@ -386,44 +356,53 @@ Standard_Integer GEOMImpl_FillingDriver::Execute(TFunction_Logbook& log) const
   return 1;
 }
 
+//================================================================================
+/*!
+ * \brief Returns a name of creation operation and names and values of creation parameters
+ */
+//================================================================================
 
-//=======================================================================
-//function :  GEOMImpl_FillingDriver_Type_
-//purpose  :
-//=======================================================================
-Standard_EXPORT Handle_Standard_Type& GEOMImpl_FillingDriver_Type_()
-{
-  static Handle_Standard_Type aType1 = STANDARD_TYPE(TFunction_Driver);
-  if ( aType1.IsNull()) aType1 = STANDARD_TYPE(TFunction_Driver);
-  static Handle_Standard_Type aType2 = STANDARD_TYPE(MMgt_TShared);
-  if ( aType2.IsNull()) aType2 = STANDARD_TYPE(MMgt_TShared);
-  static Handle_Standard_Type aType3 = STANDARD_TYPE(Standard_Transient);
-  if ( aType3.IsNull()) aType3 = STANDARD_TYPE(Standard_Transient);
-
-  static Handle_Standard_Transient _Ancestors[]= {aType1,aType2,aType3,NULL};
-  static Handle_Standard_Type _aType = new Standard_Type("GEOMImpl_FillingDriver",
-                                                         sizeof(GEOMImpl_FillingDriver),
-                                                         1,
-                                                         (Standard_Address)_Ancestors,
-                                                         (Standard_Address)NULL);
-
-  return _aType;
-}
-
-//=======================================================================
-//function : DownCast
-//purpose  :
-//=======================================================================
-const Handle(GEOMImpl_FillingDriver) Handle(GEOMImpl_FillingDriver)::DownCast
-                                 (const Handle(Standard_Transient)& AnObject)
+bool GEOMImpl_FillingDriver::
+GetCreationInformation(std::string&             theOperationName,
+                       std::vector<GEOM_Param>& theParams)
 {
-  Handle(GEOMImpl_FillingDriver) _anOtherObject;
-
-  if (!AnObject.IsNull()) {
-     if (AnObject->IsKind(STANDARD_TYPE(GEOMImpl_FillingDriver))) {
-       _anOtherObject = Handle(GEOMImpl_FillingDriver)((Handle(GEOMImpl_FillingDriver)&)AnObject);
-     }
+  if (Label().IsNull()) return 0;
+  Handle(GEOM_Function) function = GEOM_Function::GetFunction(Label());
+
+  GEOMImpl_IFilling aCI( function );
+  Standard_Integer aType = function->GetType();
+
+  theOperationName = "FILLING";
+
+  switch ( aType ) {
+  case BASIC_FILLING:
+  {
+    AddParam( theParams, "Input compound", aCI.GetShapes() );
+    AddParam( theParams, "Method", aCI.GetMethod() );
+    const char* method[3] =
+      { "Standard", "Use edges orientation", "Correct edges orientation" };
+    if ( 0 <= aCI.GetMethod() && aCI.GetMethod() < 3 )
+      theParams[1] << " = " << method[ aCI.GetMethod() ];
+    AddParam( theParams, "Min deg", aCI.GetMinDeg() );
+    AddParam( theParams, "Max deg", aCI.GetMaxDeg() );
+    AddParam( theParams, "Nb. Iter", aCI.GetNbIter() );
+    AddParam( theParams, "Tol. 2D", aCI.GetTol2D() );
+    AddParam( theParams, "Tol. 3D", aCI.GetTol3D() );
+    AddParam( theParams, "Approximation", aCI.GetApprox() );
+    break;
+  }
+  case FILLING_ON_CONSTRAINTS:
+  {
+       theOperationName = "FACE";
+    AddParam( theParams, "Edges/Faces", aCI.GetShapes() );
+    break;
+  }
+  default:
+    return false;
   }
 
-  return _anOtherObject;
+  return true;
 }
+
+IMPLEMENT_STANDARD_HANDLE (GEOMImpl_FillingDriver,GEOM_BaseDriver);
+IMPLEMENT_STANDARD_RTTIEXT (GEOMImpl_FillingDriver,GEOM_BaseDriver);