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[modules/hydro.git] / src / HYDROData / HYDROData_Stream.cxx
index 07bf9971d8766716400f9259232a658b484eab71..c2def15f030fcaccf22861a997e6d5de74748f99 100644 (file)
@@ -1,12 +1,32 @@
+// Copyright (C) 2014-2015  EDF-R&D
+// 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, 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
+// 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 "HYDROData_Stream.h"
 
 #include "HYDROData_Document.h"
 #include "HYDROData_PolylineXY.h"
+#include "HYDROData_Polyline3D.h"
 #include "HYDROData_Profile.h"
 #include "HYDROData_ShapesGroup.h"
 #include "HYDROData_ShapesTool.h"
 #include "HYDROData_IAltitudeObject.h"
+#include "HYDROData_IProfilesInterpolator.h"
+#include "HYDROData_Tool.h"
 
 #include <TDataStd_RealArray.hxx>
 
@@ -53,7 +73,7 @@
 #include <GeomAPI_Interpolate.hxx>
 #include <Geom_BSplineCurve.hxx>
 
-#include <TopTools_Array1OfShape.hxx>
+#include <TopTools_HArray1OfShape.hxx>
 
 #include <SortTools_QuickSortOfReal.hxx>
 
@@ -75,7 +95,7 @@ IMPLEMENT_STANDARD_RTTIEXT(HYDROData_Stream,HYDROData_NaturalObject)
 
 
 HYDROData_Stream::HYDROData_Stream()
-: HYDROData_NaturalObject()
+: HYDROData_NaturalObject( Geom_3d )
 {
 }
 
@@ -86,8 +106,27 @@ HYDROData_Stream::~HYDROData_Stream()
 QStringList HYDROData_Stream::DumpToPython( MapOfTreatedObjects& theTreatedObjects ) const
 {
   QStringList aResList = dumpObjectCreation( theTreatedObjects );
+  QString aName = GetObjPyName();
 
-  // TODO
+  Handle(HYDROData_PolylineXY) aHydAxis = GetHydraulicAxis();
+  setPythonReferenceObject( theTreatedObjects, aResList, aHydAxis, "SetHydraulicAxis" );
+
+  HYDROData_SequenceOfObjects aSeqOfProfiles = GetProfiles();
+  for ( int i = 1, aNb = aSeqOfProfiles.Size(); i <= aNb; ++i )
+  {
+    const Handle(HYDROData_Entity) aProfile = aSeqOfProfiles.Value( i );
+    setPythonReferenceObject( theTreatedObjects, aResList, aProfile, "AddProfile" );
+  }
+
+  // Set bottom polyline if exists
+  const Handle(HYDROData_Polyline3D) aBottomPolyline = GetBottomPolyline();
+  if ( !aBottomPolyline.IsNull() ) {
+    setPythonReferenceObject( theTreatedObjects, aResList, aBottomPolyline, "SetBottomPolyline" );
+  }
+
+  aResList << QString( "" );
+  aResList << QString( "%1.Update();" ).arg( aName );
+  aResList << QString( "" );
 
   return aResList;
 }
@@ -106,16 +145,6 @@ HYDROData_SequenceOfObjects HYDROData_Stream::GetAllReferenceObjects() const
   return aResSeq;
 }
 
-TopoDS_Shape HYDROData_Stream::GetTopShape() const
-{
-  return getTopShape();
-}
-
-TopoDS_Shape HYDROData_Stream::GetShape3D() const
-{
-  return getShape3D();
-}
-
 Handle(Geom_BSplineCurve) HYDROData_Stream::buildInterpolationCurve( 
   const Handle(TColgp_HArray1OfPnt)& theArrayOfPnt )
 {
@@ -130,42 +159,57 @@ Handle(Geom_BSplineCurve) HYDROData_Stream::buildInterpolationCurve(
 void HYDROData_Stream::Update()
 {
   updateProfilesOrder();
+
+  // Update bottom polyline if exists
+  const Handle(HYDROData_Polyline3D) aBottomPolyline = GetBottomPolyline();
+  if ( !aBottomPolyline.IsNull() ) {
+    if ( GenerateBottomPolyline() ) {
+      Handle(HYDROData_PolylineXY) aPolylineXY = aBottomPolyline->GetPolylineXY();
+      if ( !aPolylineXY.IsNull() ) {
+        aPolylineXY->Update();
+      }
+      aBottomPolyline->Update();
+    }
+  }
+
   UpdatePrs();
 }
 
-void HYDROData_Stream::UpdatePrs()
+bool HYDROData_Stream::IsHas2dPrs() const
 {
-  HYDROData_NaturalObject::Update();
+  return true;
+}
 
-  Handle(HYDROData_PolylineXY) aHydAxis = GetHydraulicAxis();
-  HYDROData_SequenceOfObjects aRefProfiles = GetProfiles();
-  if ( aHydAxis.IsNull() || aRefProfiles.Length() < 2 )
-    return; 
-  bool anIsFirst = true;
-  gp_Pnt aPrevFirstPoint, aPrevLastPoint;
-  Handle(TColgp_HArray1OfPnt) anArrayOfFPnt    = new TColgp_HArray1OfPnt(1, aRefProfiles.Length());
-  Handle(TColgp_HArray1OfPnt) anArrayOfLPnt    = new TColgp_HArray1OfPnt(1, aRefProfiles.Length());  
-  TopTools_Array1OfShape anArrOfProfiles(1, aRefProfiles.Length());
-  TopTools_Array1OfShape anArrOf2DProfiles(1, aRefProfiles.Length());
+bool HYDROData_Stream::CreatePresentations( const Handle(HYDROData_PolylineXY)& theHydAxis,
+                                            const HYDROData_SequenceOfObjects&  theProfiles,
+                                            PrsDefinition&                      thePrs )
+{
+  if ( theHydAxis.IsNull() || theProfiles.Length() < 2 )
+    return false;
+
+  Handle(TColgp_HArray1OfPnt) anArrayOfFPnt    = new TColgp_HArray1OfPnt(1, theProfiles.Length());
+  Handle(TColgp_HArray1OfPnt) anArrayOfLPnt    = new TColgp_HArray1OfPnt(1, theProfiles.Length());  
+  Handle(TopTools_HArray1OfShape) anArrOfProfiles = new TopTools_HArray1OfShape(1, theProfiles.Length());
+  Handle(TopTools_HArray1OfShape) anArrOf2DProfiles = new TopTools_HArray1OfShape(1, theProfiles.Length());
 
   // Pre-processing
-  HYDROData_SequenceOfObjects::Iterator anIter( aRefProfiles );
+  HYDROData_SequenceOfObjects::Iterator anIter( theProfiles );
   for (int i=1 ; anIter.More(); anIter.Next(),i++ )
   {
     Handle(HYDROData_Profile) aProfile =
       Handle(HYDROData_Profile)::DownCast( anIter.Value() );
     if ( aProfile.IsNull() )
-      continue;    
+      continue;
+
     const TopoDS_Shape& aProf3d = aProfile->GetShape3D();
     gp_XY aPnt1, aPnt2;
-    if ( !aProfile->GetLeftPoint( aPnt1 ) || !aProfile->GetRightPoint( aPnt2 ) )
+    if ( !aProfile->GetLeftPoint( aPnt1, false ) || !aProfile->GetRightPoint( aPnt2, false ) )
       continue;
-    anArrOfProfiles.SetValue(i,aProfile->GetShape3D());//aProfile->GetTopShape();
-    anArrOf2DProfiles.SetValue(i,aProfile->GetTopShape());
 
-    gp_Pnt aCurFirstPoint( aPnt1.X(), aPnt1.Y(), 0 ), aCurFP;
-    gp_Pnt aCurLastPoint(  aPnt2.X(), aPnt2.Y(), 0 ), aCurLP;
+    anArrOfProfiles->SetValue(i,aProfile->GetShape3D());//aProfile->GetTopShape();
+    anArrOf2DProfiles->SetValue(i,aProfile->GetTopShape());
+
+    gp_Pnt aCurFP, aCurLP;
     TopoDS_Vertex aV1, aV2;
     TopExp::Vertices(TopoDS::Wire(aProf3d), aV1, aV2);
        gp_Pnt aP1 = BRep_Tool::Pnt(aV1);
@@ -182,156 +226,55 @@ void HYDROData_Stream::UpdatePrs()
     anArrayOfLPnt->SetValue(i,aCurLP);
   }
 
-  // Construct of the 3D presentation
-  Handle(Geom_BSplineCurve) aBSpline = buildInterpolationCurve (anArrayOfFPnt);
-  if(aBSpline.IsNull())
-    return;
-  TopoDS_Edge anEdgLeft, anEdgRight;
-  BRepBuilderAPI_MakeEdge aMakeEdge(aBSpline);
-  if(aMakeEdge.IsDone()) 
-    anEdgLeft = aMakeEdge.Edge();
-  if(anEdgLeft.IsNull())
-    return;
-  aBSpline.Nullify();
-  aBSpline = buildInterpolationCurve (anArrayOfLPnt);  
-  if(aBSpline.IsNull())
-    return; 
-  aMakeEdge.Init(aBSpline);
-  if(aMakeEdge.IsDone()) 
-    anEdgRight = aMakeEdge.Edge();
-  if(anEdgRight.IsNull())
-    return;
-  BRep_Builder aBB;
-  TopoDS_Compound aCmp;
-  aBB.MakeCompound(aCmp);
-  anIter.Init( aRefProfiles );
-  for (int i=1 ; i < anArrOfProfiles.Length() +1; i++ )  
-    aBB.Add(aCmp, anArrOfProfiles.Value(i));
-  aBB.Add(aCmp,anEdgLeft);
-  aBB.Add(aCmp,anEdgRight);
-  BRepCheck_Analyzer aCh(aCmp);
-  if(aCh.IsValid())
-    SetShape3D(aCmp);
-#ifdef DEB_UPDATE
-  else {
-    BRepTools::Write(aCmp, "str3d.brep");
-    SetShape3D(aCmp);
-  }
-#endif
-
-  // Construct the top presentation
-  for(int i=1;i<= anArrayOfLPnt->Length();i++) {
-      gp_Pnt aPnt = anArrayOfFPnt->Value(i);
-      aPnt.SetZ(.0); // make 2d
-      anArrayOfFPnt->SetValue(i, aPnt);
-      aPnt = anArrayOfLPnt->Value(i);
-      aPnt.SetZ(.0);
-      anArrayOfLPnt->SetValue(i, aPnt);
-  }
-  aBSpline.Nullify();
-  aBSpline = buildInterpolationCurve (anArrayOfFPnt);  
-  if(aBSpline.IsNull())
-    return; 
-  aMakeEdge.Init(aBSpline);
-  if(aMakeEdge.IsDone()) 
-      anEdgLeft = aMakeEdge.Edge();
-  aBSpline.Nullify();
-  aBSpline = buildInterpolationCurve (anArrayOfLPnt);  
-  if(aBSpline.IsNull())
-    return; 
-  aMakeEdge.Init(aBSpline);
-  if(aMakeEdge.IsDone()) 
-    anEdgRight = aMakeEdge.Edge();
-  if(anEdgRight.IsNull())
-    return;
-  BRepBuilderAPI_MakeEdge aMakeEdge2(anArrayOfFPnt->Value(1),anArrayOfLPnt->Value(1));
-  TopoDS_Edge aBotEdge, aTopEdge;
-  if(aMakeEdge2.IsDone()) 
-    aBotEdge = aMakeEdge2.Edge();
-  BRepBuilderAPI_MakeEdge aMakeEdge3(anArrayOfFPnt->Value(anArrayOfFPnt->Length()),anArrayOfLPnt->Value(anArrayOfLPnt->Length()));
-  if(aMakeEdge3.IsDone()) 
-    aTopEdge = aMakeEdge3.Edge();
-
-  // Make wire for 2D presentation with updating of corresponding edges
-  BRepBuilderAPI_MakeWire aMakeWire;
-  
-  aMakeWire.Add( aBotEdge );
-  aBotEdge = aMakeWire.Edge();
-
-  aMakeWire.Add( anEdgLeft );
-  anEdgLeft = aMakeWire.Edge();
-
-  aMakeWire.Add( aTopEdge );
-  aTopEdge = aMakeWire.Edge();
+  return CreatePresentations( anArrayOfFPnt, anArrayOfLPnt, anArrOfProfiles, anArrOf2DProfiles, thePrs );
+}
 
-  aMakeWire.Add( anEdgRight );
-  anEdgRight = aMakeWire.Edge();
+void HYDROData_Stream::UpdatePrs()
+{
+  HYDROData_NaturalObject::Update();
 
-  TopoDS_Wire aSectProfileWire;
-  if(aMakeWire.IsDone())
-    aSectProfileWire = aMakeWire.Wire();
+  Handle(HYDROData_PolylineXY) aHydAxis = GetHydraulicAxis();
+  HYDROData_SequenceOfObjects aRefProfiles = GetProfiles();
 
-  BRepBuilderAPI_MakeFace aMakeFace( aSectProfileWire, Standard_True );
-  TopoDS_Face aFace;
-  aMakeFace.Build();
-  if( aMakeFace.IsDone() )
-    aFace = aMakeFace.Face();
+  PrsDefinition aResultPrs;
+  if ( !CreatePresentations( aHydAxis, aRefProfiles, aResultPrs ) )
+    return;
 
-  aCmp.Nullify();
-  aBB.MakeCompound(aCmp);
-  aBB.Add(aCmp,aFace);
-  for(int i=1;i <= anArrOf2DProfiles.Length(); i++)
-    aBB.Add(aCmp,anArrOf2DProfiles.Value(i));
-  aCh.Init(aCmp);
-  if(aCh.IsValid())
-    SetTopShape(aCmp);
-#ifdef DEB_UPDATE
-  else {
-    BRepTools::Write(aCmp, "str2d.brep");
-    SetTopShape(aCmp);
-  }
-#endif 
+  SetShape3D( aResultPrs.myPrs3D );
+  SetTopShape( aResultPrs.myPrs2D );
 
   // Create the stream groups
   QString aLeftGroupName = GetName() + "_Left_Bank";
 
   Handle(HYDROData_ShapesGroup) aLeftGroup = createGroupObject();
   aLeftGroup->SetName( aLeftGroupName );
-  aLeftGroup->AddShape( anEdgLeft );
+  aLeftGroup->AddShape( aResultPrs.myLeftBank );
 
   QString aRightGroupName = GetName() + "_Right_Bank";
 
   Handle(HYDROData_ShapesGroup) aRightGroup = createGroupObject();
   aRightGroup->SetName( aRightGroupName );
-  aRightGroup->AddShape( anEdgRight );
+  aRightGroup->AddShape( aResultPrs.myRightBank );
 
   QString anInGroupName = GetName() + "_Inlet";
 
   Handle(HYDROData_ShapesGroup) anInGroup = createGroupObject();
   anInGroup->SetName( anInGroupName );
-  anInGroup->AddShape( aBotEdge );
+  anInGroup->AddShape( aResultPrs.myInlet );
 
   QString anOutGroupName = GetName() + "_Outlet";
-
+  
   Handle(HYDROData_ShapesGroup) anOutGroup = createGroupObject();
   anOutGroup->SetName( anOutGroupName );
-  anOutGroup->AddShape( aTopEdge );
-
-  // This peace of code is for testing of functionality of altitude,
-  // will be removed by adv when testing will be finished
-  Handle(HYDROData_IAltitudeObject) anAltObj = GetAltitudeObject();
-  gp_XY aTestPnt( 5, 0 );
-  anAltObj->GetAltitudeForPoint( aTestPnt );
-  // End of test code
-
+  anOutGroup->AddShape( aResultPrs.myOutlet );
 }
 
-QColor HYDROData_Stream::DefaultFillingColor()
+QColor HYDROData_Stream::DefaultFillingColor() const
 {
   return QColor( Qt::green );
 }
 
-QColor HYDROData_Stream::DefaultBorderColor()
+QColor HYDROData_Stream::DefaultBorderColor() const
 {
   return QColor( Qt::transparent );
 }
@@ -350,59 +293,28 @@ bool HYDROData_Stream::IsValidAsAxis( const Handle(HYDROData_PolylineXY)& theHyd
   return true;
 }
 
-TopoDS_Shape getShapeFromGroup( const HYDROData_SequenceOfObjects& theGroups,
-                                const int                          theGroupId )
-{
-  TopoDS_Shape aResShape;
-  if ( theGroups.Length() != 4 )
-    return aResShape;
-
-  Handle(HYDROData_ShapesGroup) aGroup =
-    Handle(HYDROData_ShapesGroup)::DownCast( theGroups.Value( theGroupId ) );
-  if ( aGroup.IsNull() )
-    return aResShape;
-
-  TopTools_SequenceOfShape aGroupShapes;
-  aGroup->GetShapes( aGroupShapes );
-
-  if ( !aGroupShapes.IsEmpty() )
-    aResShape = aGroupShapes.First();
-
-  return aResShape;
-}
-
 TopoDS_Shape HYDROData_Stream::GetLeftShape() const
 {
   HYDROData_SequenceOfObjects aGroups = GetGroups();
-  return getShapeFromGroup( aGroups, 1 );
+  return HYDROData_Tool::getFirstShapeFromGroup( aGroups, 1);
 }
 
 TopoDS_Shape HYDROData_Stream::GetRightShape() const
 {
   HYDROData_SequenceOfObjects aGroups = GetGroups();
-  return getShapeFromGroup( aGroups, 2 );
+  return HYDROData_Tool::getFirstShapeFromGroup( aGroups, 2);
 }
 
 TopoDS_Shape HYDROData_Stream::GetInletShape() const
 {
   HYDROData_SequenceOfObjects aGroups = GetGroups();
-  return getShapeFromGroup( aGroups, 3 );
+  return HYDROData_Tool::getFirstShapeFromGroup( aGroups, 3);
 }
 
 TopoDS_Shape HYDROData_Stream::GetOutletShape() const
 {
   HYDROData_SequenceOfObjects aGroups = GetGroups();
-  return getShapeFromGroup( aGroups, 4 );
-}
-
-QColor HYDROData_Stream::getDefaultFillingColor() const
-{
-  return DefaultFillingColor();
-}
-
-QColor HYDROData_Stream::getDefaultBorderColor() const
-{
-  return DefaultBorderColor();
+  return HYDROData_Tool::getFirstShapeFromGroup( aGroups, 4);
 }
 
 bool HYDROData_Stream::SetHydraulicAxis( const Handle(HYDROData_PolylineXY)& theAxis )
@@ -420,7 +332,7 @@ bool HYDROData_Stream::SetHydraulicAxis( const Handle(HYDROData_PolylineXY)& the
   updateProfilesOrder();
 
   // Indicate model of the need to update the stream presentation
-  SetToUpdate( true );
+  Changed( Geom_3d );
 
   return true;
 }
@@ -443,13 +355,21 @@ void HYDROData_Stream::RemoveHydraulicAxis()
   RemoveProfiles();
 
   // Indicate model of the need to update the stream presentation
-  SetToUpdate( true );
+  Changed( Geom_3d );
+}
+
+bool HYDROData_Stream::HasIntersection( const Handle(HYDROData_Profile)& theProfile,
+                                        const TopoDS_Face&               thePlane,
+                                        Standard_Real&                   theOutPar ) const
+{
+  Handle(HYDROData_PolylineXY) aHydAxis = GetHydraulicAxis();
+  return HasIntersection( aHydAxis, theProfile, thePlane, theOutPar );
 }
 
 bool HYDROData_Stream::HasIntersection( const Handle(HYDROData_PolylineXY)& theHydAxis, 
-                                        const Handle(HYDROData_Profile)& theProfile, 
-                                        const TopoDS_Face& thePlane,
-                                                              Standard_Real& outPar)
+                                        const Handle(HYDROData_Profile)&    theProfile, 
+                                        const TopoDS_Face&                  thePlane,
+                                        Standard_Real&                      theOutPar )
 {
   if ( theProfile.IsNull() || !IsValidAsAxis( theHydAxis ) )
     return false; 
@@ -502,7 +422,7 @@ bool HYDROData_Stream::HasIntersection( const Handle(HYDROData_PolylineXY)& theH
   Standard_Integer anIndx(0);
   BRepExtrema_ExtCC aCC;
   aCC.Initialize(anEdg2);
-  outPar = 0.0;
+  theOutPar = 0.0;
   anExplo.Init(aHydraulicWire, TopAbs_EDGE);
   for(Standard_Integer j=1;anExplo.More();anExplo.Next(),j++) {
     const TopoDS_Edge& anEdg1 = TopoDS::Edge(anExplo.Current());
@@ -524,10 +444,10 @@ bool HYDROData_Stream::HasIntersection( const Handle(HYDROData_PolylineXY)& theH
         const gp_Pnt& aPnt = aCC.PointOnE1(anIndx);
         if(aNum > 1) {
           TopExp::Vertices(anEdg1, aV1, aV2, Standard_True);
-          outPar += BRep_Tool::Pnt(aV1).Distance(aPnt);
+          theOutPar += BRep_Tool::Pnt(aV1).Distance(aPnt);
         } else {
           Standard_Real aPar = aCC.ParameterOnE1(anIndx);
-          outPar = aPar;
+          theOutPar = aPar;
         }
         hasInt = true;
         break;
@@ -535,12 +455,12 @@ bool HYDROData_Stream::HasIntersection( const Handle(HYDROData_PolylineXY)& theH
           // no ints-n
         if(aNum > 1) {
           TopExp::Vertices(anEdg1, aV1, aV2);
-          outPar += BRep_Tool::Pnt(aV1).Distance(BRep_Tool::Pnt(aV2));
+          theOutPar += BRep_Tool::Pnt(aV1).Distance(BRep_Tool::Pnt(aV2));
         }
       }
     } else if(aNum > 1) {
       TopExp::Vertices(anEdg1, aV1, aV2);
-      outPar += BRep_Tool::Pnt(aV1).Distance(BRep_Tool::Pnt(aV2));
+      theOutPar += BRep_Tool::Pnt(aV1).Distance(BRep_Tool::Pnt(aV2));
     }
   }
   if(hasInt)
@@ -548,15 +468,6 @@ bool HYDROData_Stream::HasIntersection( const Handle(HYDROData_PolylineXY)& theH
   return false;
 }
 
-bool HYDROData_Stream::HasIntersection( const Handle(HYDROData_Profile)& theProfile, const TopoDS_Face& thePlane,
-                                       Standard_Real& outPar ) const
-{
-  Handle(HYDROData_PolylineXY) aHydAxis = GetHydraulicAxis();
-
-  return HasIntersection( aHydAxis, theProfile, thePlane, outPar );
-}
-
-
 bool HYDROData_Stream::AddProfile( const Handle(HYDROData_Profile)& theProfile )
 {
   if ( theProfile.IsNull() )
@@ -578,7 +489,53 @@ bool HYDROData_Stream::AddProfile( const Handle(HYDROData_Profile)& theProfile )
   insertProfileInToOrder( theProfile, aProfileIndex );
   
   // Indicate model of the need to update the stream presentation
-  SetToUpdate( true );
+  Changed( Geom_3d );
+
+  return true;
+}
+
+bool HYDROData_Stream::SetProfiles( const HYDROData_SequenceOfObjects& theProfiles,
+                                    const bool&                        theIsToOrder )
+{
+  if ( theIsToOrder )
+  {
+    for ( int i = 1; i <= theProfiles.Length(); ++i )
+    {
+      Handle(HYDROData_Profile) aProfile = 
+        Handle(HYDROData_Profile)::DownCast( theProfiles.Value( i ) );
+      if ( aProfile.IsNull() )
+        continue;
+
+      if ( !AddProfile( aProfile ) )
+        return false;
+    }
+  }
+  else // Just store the sequence of objects as is
+  {
+    bool anIsToUpdate = true;
+
+    HYDROData_SequenceOfObjects anOldProfiles = GetProfiles();
+    if ( anOldProfiles.Length() == theProfiles.Length() )
+    {
+      anIsToUpdate = false;
+
+      for ( int i = 1; i <= theProfiles.Length(); ++i )
+      {
+        Handle(HYDROData_Entity) anOldProfile = anOldProfiles.Value( i );
+        Handle(HYDROData_Entity) aNewProfile = theProfiles.Value( i );
+        if ( !IsEqual( anOldProfile, aNewProfile ) )
+        {
+          anIsToUpdate = true;
+          break;
+        }
+      }
+    }
+    
+    SetReferenceObjects( theProfiles, DataTag_Profile );
+
+    if ( anIsToUpdate )
+      Changed( Geom_3d );
+  }
 
   return true;
 }
@@ -620,22 +577,20 @@ bool HYDROData_Stream::RemoveProfile( const Handle(HYDROData_Profile)& theProfil
   removeParameter( aProfileIndex );
 
   // Indicate model of the need to update the stream presentation
-  SetToUpdate( true );
+  Changed( Geom_3d );
 
   return true;
 }
 
 void HYDROData_Stream::RemoveProfiles()
 {
-  bool anIsToUpdate = IsMustBeUpdated() || NbReferenceObjects( DataTag_Profile ) > 0;
-
   ClearReferenceObjects( DataTag_Profile );
 
   // Remove the parameters array
   removeParametersArray();
 
   // Indicate model of the need to update the stream presentation
-  SetToUpdate( anIsToUpdate );
+  Changed( Geom_3d );
 }
 
 void HYDROData_Stream::insertProfileInToOrder( const Handle(HYDROData_Profile)& theProfile,
@@ -657,7 +612,7 @@ void HYDROData_Stream::insertProfileInToOrder( const Handle(HYDROData_Profile)&
 }
 
 bool HYDROData_Stream::BuildFace( const Handle(HYDROData_PolylineXY)& theHydAxis,
-                                  TopoDS_Face&                        thePlane ) const
+                                  TopoDS_Face&                        thePlane )
 {
   if ( !IsValidAsAxis( theHydAxis ) )
     return false;
@@ -717,7 +672,7 @@ void HYDROData_Stream::updateProfilesOrder()
       continue;
     
     aDM.Bind( aPar, aProfile );
-      aList.Append( aPar );
+    aList.Append( aPar );
   }
   
   if ( aList.IsEmpty() )
@@ -890,3 +845,324 @@ void HYDROData_Stream::removeParameter( const int& theIndex )
 
   setParametersArray( aNewArr );
 }
+
+bool HYDROData_Stream::GenerateBottomPolyline()
+{
+  // Get the document
+  Handle(HYDROData_Document) aDocument = HYDROData_Document::Document( myLab );
+  if ( aDocument.IsNull() ) {
+    return false;
+  }
+
+  // Collect bottom points ( one bottom point from each profile of the stream )
+  HYDROData_Profile::ProfilePoints aBottomPoints;
+  
+  HYDROData_SequenceOfObjects aSeqOfProfiles = GetProfiles();
+  for ( int i = 1, aNb = aSeqOfProfiles.Size(); i <= aNb; i++ ) {
+    const Handle(HYDROData_Profile) aProfile = 
+      Handle(HYDROData_Profile)::DownCast( aSeqOfProfiles.Value( i ) );
+    if ( aProfile.IsNull() ) {
+      continue;
+    }
+    
+    aBottomPoints.Append( aProfile->GetBottomPoint() );
+  }
+
+  int aNbBottomPoints = aBottomPoints.Size();
+
+  if ( aNbBottomPoints < 2 ) {
+    return false;
+  }
+
+  // Create bottom polyline object if the stream doesn't contain it yet
+  Handle(HYDROData_Polyline3D) aBottom = GetBottomPolyline();
+  if ( aBottom.IsNull() ) {
+    aBottom = Handle(HYDROData_Polyline3D)::DownCast( aDocument->CreateObject( KIND_POLYLINE ) );  
+    QString aBaseName = GetName() + "_bottom";
+    QString aName = HYDROData_Tool::GenerateObjectName( aDocument, aBaseName, QStringList(), true );
+    aBottom->SetName( aName );
+
+    SetReferenceObject( aBottom, DataTag_BottomPolyline );
+  }
+  
+  // Create 2D polyline if the bottom polyline doesn't contain it yet
+  Handle(HYDROData_PolylineXY) aPolylineXY = aBottom->GetPolylineXY();
+  if ( aPolylineXY.IsNull() ) {
+    aPolylineXY = Handle(HYDROData_PolylineXY)::DownCast( aDocument->CreateObject( KIND_POLYLINEXY ) );
+    QString aBaseName = GetName() + "_bottom_2d";
+    QString aName = HYDROData_Tool::GenerateObjectName( aDocument, aBaseName, QStringList(), true );
+    aPolylineXY->SetName( aName );
+    aBottom->SetPolylineXY( aPolylineXY, false );
+  }
+
+  aPolylineXY->RemoveSections();
+  aPolylineXY->AddSection( "", HYDROData_PolylineXY::SECTION_SPLINE, false );
+  
+  // Create profile if the bottom polyline doesn't contain it yet
+  Handle(HYDROData_ProfileUZ) aProfileUZ = aBottom->GetProfileUZ();
+  if ( aProfileUZ.IsNull() ) {
+    Handle(HYDROData_Profile) aProfile = 
+      Handle(HYDROData_Profile)::DownCast( aDocument->CreateObject( KIND_PROFILE ) );
+    QString aBaseName = GetName() + "_bottom_profile";
+    QString aName = HYDROData_Tool::GenerateObjectName( aDocument, aBaseName, QStringList(), true );
+    aProfile->SetName( aName );
+    aProfileUZ = aProfile->GetProfileUZ( true );
+    aBottom->SetProfileUZ( aProfileUZ );
+  }
+  
+  aProfileUZ->RemoveSection( 0 );
+
+  aProfileUZ->CalculateAndAddPoints(aBottomPoints, aPolylineXY);
+  
+  return true;
+}
+
+Handle(HYDROData_Polyline3D) HYDROData_Stream::GetBottomPolyline() const
+{
+  return Handle(HYDROData_Polyline3D)::DownCast( 
+           GetReferenceObject( DataTag_BottomPolyline ) );
+}
+
+bool HYDROData_Stream::SetBottomPolyline( const Handle(HYDROData_Polyline3D)& theBottom )
+{
+  if ( theBottom.IsNull() ) {
+    return false;
+  }
+
+  SetReferenceObject( theBottom, DataTag_BottomPolyline );
+
+  return true;
+}
+
+bool HYDROData_Stream::Interpolate( HYDROData_IProfilesInterpolator* theInterpolator )
+{
+  // Get the document
+  Handle(HYDROData_Document) aDocument = HYDROData_Document::Document( myLab );
+  if ( aDocument.IsNull() ) {
+    return false;
+  }
+  
+  if ( theInterpolator->GetCalculatedProfilesNumber() < 1 ) {
+    theInterpolator->Calculate();
+  }
+
+  if ( theInterpolator->GetErrorCode() != OK ) {
+    return false;
+  }
+
+  bool isOK = true;
+
+  for ( int aProfileInd = 0; aProfileInd < theInterpolator->GetCalculatedProfilesNumber(); aProfileInd++ ) {
+    // Get calculated point coordinates
+    HYDROData_Profile::ProfilePoints aResultPoints = theInterpolator->GetResultProfilePoints( aProfileInd );
+    if ( aResultPoints.IsEmpty() ) {
+      isOK = false;
+      continue;
+    }
+        
+    // Create profile object
+    Handle(HYDROData_Profile) aProfile = 
+      Handle(HYDROData_Profile)::DownCast( aDocument->CreateObject( KIND_PROFILE ) );
+    QString aBaseName = GetName() + "_interp_profile";
+    QString aName = HYDROData_Tool::GenerateObjectName( aDocument, aBaseName );
+    aProfile->SetName( aName );
+
+    // Fill the profile with points
+    aProfile->SetProfilePoints( aResultPoints );
+
+    // Add profile to the stream
+    bool isAdded = AddProfile( aProfile );
+    if ( !isAdded ) {
+      aProfile->Remove();
+    }
+    else
+      aProfile->Update();
+  }
+
+  if ( isOK )
+    Update();
+
+  return isOK;
+}
+
+void HYDROData_Stream::CopyTo( const Handle(HYDROData_Entity)& theDestination,
+                               bool isGenerateNewName ) const
+{
+  // Get the document
+  Handle(HYDROData_Document) aDocument = HYDROData_Document::Document( myLab );
+  if ( aDocument.IsNull() ) {
+    return;
+  }
+
+  // Call base method
+  HYDROData_Entity::CopyTo( theDestination, isGenerateNewName );
+
+  Handle(HYDROData_Stream) aStreamCopy = 
+    Handle(HYDROData_Stream)::DownCast( theDestination );
+
+  // Copy bottom polyline if exists
+  if ( !aStreamCopy.IsNull() ) {
+    const Handle(HYDROData_Polyline3D) aBottom = GetBottomPolyline();
+    if ( !aBottom.IsNull() ) {
+      aStreamCopy->ClearReferenceObjects( DataTag_BottomPolyline );
+      aStreamCopy->GenerateBottomPolyline();
+      const Handle(HYDROData_Polyline3D) aBottomCopy = aStreamCopy->GetBottomPolyline();
+      if ( !aBottomCopy.IsNull() && !aBottomCopy->GetPolylineXY().IsNull() ) {
+        aBottomCopy->GetPolylineXY()->Update();
+        aBottomCopy->Update();
+      }
+    }
+  }
+}
+
+bool HYDROData_Stream::CreatePresentations( const Handle(TColgp_HArray1OfPnt)     theArrayOfFPnt,
+                                            const Handle(TColgp_HArray1OfPnt)     theArrayOfLPnt,
+                                            const Handle(TopTools_HArray1OfShape) theArrOfProfiles,
+                                            const Handle(TopTools_HArray1OfShape) theArrOf2DProfiles,
+                                            PrsDefinition&                        thePrs )
+{
+  if ( theArrayOfFPnt.IsNull() || theArrayOfLPnt.IsNull() || theArrOfProfiles.IsNull() ) {
+    return false;
+  }
+
+  if ( theArrayOfFPnt->Length() != theArrayOfLPnt->Length() ) {
+    return false;
+  }
+  
+  // Construct of the 3D presentation
+  Handle(Geom_BSplineCurve) aBSpline = buildInterpolationCurve (theArrayOfFPnt);
+  if(aBSpline.IsNull())
+    return false;
+
+  TopoDS_Edge anEdgLeft, anEdgRight;
+  
+  BRepBuilderAPI_MakeEdge aMakeEdge(aBSpline);
+  if(aMakeEdge.IsDone()) 
+    anEdgLeft = aMakeEdge.Edge();
+
+  if(anEdgLeft.IsNull())
+    return false;
+
+  aBSpline.Nullify();
+  aBSpline = buildInterpolationCurve (theArrayOfLPnt);  
+  if(aBSpline.IsNull())
+    return false;
+
+  aMakeEdge.Init(aBSpline);
+  if(aMakeEdge.IsDone()) 
+    anEdgRight = aMakeEdge.Edge();
+
+  if(anEdgRight.IsNull())
+    return false;
+
+  BRep_Builder aBB;
+  TopoDS_Compound aCmp;
+  aBB.MakeCompound(aCmp);
+  for (int i=1 ; i < theArrOfProfiles->Length() +1; i++ )  
+    aBB.Add(aCmp, theArrOfProfiles->Value(i));
+
+  aBB.Add(aCmp,anEdgLeft);
+  aBB.Add(aCmp,anEdgRight);
+  BRepCheck_Analyzer aCh(aCmp);
+  if(aCh.IsValid())
+    thePrs.myPrs3D = aCmp;
+#ifdef DEB_UPDATE
+  else {
+    BRepTools::Write(aCmp, "str3d.brep");
+    thePrs.myPrs3D = aCmp;
+  }
+#endif
+
+  // Construct the top presentation
+  int aNbPoints = theArrayOfFPnt->Length();
+  Handle(TColgp_HArray1OfPnt) anArrayOfFPnt = new TColgp_HArray1OfPnt(1, aNbPoints);
+  Handle(TColgp_HArray1OfPnt) anArrayOfLPnt = new TColgp_HArray1OfPnt(1, aNbPoints);  
+  for( int i=1; i <= aNbPoints; i++ ) {
+      gp_Pnt aPnt = theArrayOfFPnt->Value(i);
+      aPnt.SetZ(.0); // make 2d
+      anArrayOfFPnt->SetValue(i, aPnt);
+      aPnt = theArrayOfLPnt->Value(i);
+      aPnt.SetZ(.0);
+      anArrayOfLPnt->SetValue(i, aPnt);
+  }
+
+  aBSpline.Nullify();
+  aBSpline = buildInterpolationCurve (anArrayOfFPnt);  
+  if(aBSpline.IsNull())
+    return false; 
+
+  aMakeEdge.Init(aBSpline);
+  if(aMakeEdge.IsDone()) 
+      anEdgLeft = aMakeEdge.Edge();
+
+  aBSpline.Nullify();
+  aBSpline = buildInterpolationCurve (anArrayOfLPnt);  
+  if(aBSpline.IsNull())
+    return false; 
+
+  aMakeEdge.Init(aBSpline);
+  if(aMakeEdge.IsDone()) 
+    anEdgRight = aMakeEdge.Edge();
+  if(anEdgRight.IsNull())
+    return false;
+
+  BRepBuilderAPI_MakeEdge aMakeEdge2(anArrayOfFPnt->Value(1),anArrayOfLPnt->Value(1));
+  TopoDS_Edge aBotEdge, aTopEdge;
+  if(aMakeEdge2.IsDone()) 
+    aBotEdge = aMakeEdge2.Edge();
+
+  BRepBuilderAPI_MakeEdge aMakeEdge3(anArrayOfFPnt->Value(anArrayOfFPnt->Length()),anArrayOfLPnt->Value(anArrayOfLPnt->Length()));
+  if(aMakeEdge3.IsDone()) 
+    aTopEdge = aMakeEdge3.Edge();
+
+  // Make wire for 2D presentation with updating of corresponding edges
+  BRepBuilderAPI_MakeWire aMakeWire;
+  
+  aMakeWire.Add( aBotEdge );
+  thePrs.myInlet = aMakeWire.Edge();
+
+  aMakeWire.Add( anEdgLeft );
+  thePrs.myLeftBank = aMakeWire.Edge();
+
+  aMakeWire.Add( aTopEdge );
+  thePrs.myOutlet = aMakeWire.Edge();
+
+  aMakeWire.Add( anEdgRight );
+  thePrs.myRightBank = aMakeWire.Edge();
+
+  TopoDS_Wire aSectProfileWire;
+  if(aMakeWire.IsDone())
+    aSectProfileWire = aMakeWire.Wire();
+
+  BRepBuilderAPI_MakeFace aMakeFace( aSectProfileWire, Standard_True );
+  TopoDS_Face aFace;
+  aMakeFace.Build();
+  if( aMakeFace.IsDone() )
+    aFace = aMakeFace.Face();
+
+  TopoDS_Shape aPrs2D;
+
+  if ( !theArrOf2DProfiles.IsNull() ) {
+    aCmp.Nullify();
+    aBB.MakeCompound(aCmp);
+    aBB.Add(aCmp,aFace);
+    for(int i=1;i <= theArrOf2DProfiles->Length(); i++)
+      aBB.Add(aCmp, theArrOf2DProfiles->Value(i));
+
+    aPrs2D = aCmp;
+  } else {
+    aPrs2D = aFace;
+  }
+
+  aCh.Init(aPrs2D);
+  if(aCh.IsValid())
+   thePrs.myPrs2D = aPrs2D;
+#ifdef DEB_UPDATE
+  else {
+    BRepTools::Write(aPrs2D, "str2d.brep");
+    thePrs.myPrs2D = aPrs2D;
+  }
+#endif
+
+  return true;
+}
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