X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=src%2FHYDROData%2FHYDROData_SplitToZonesTool.cxx;h=f91732cd2fcdba0a6ae49707008b8b684b76dee3;hb=545854182f0363f61284d5abe34c3627d4f3b088;hp=24e53396744d51f6a70987aa41ebf1689d1946fc;hpb=bf760f54f1c4db789f50f25bff055eb6127f81db;p=modules%2Fhydro.git

diff --git a/src/HYDROData/HYDROData_SplitToZonesTool.cxx b/src/HYDROData/HYDROData_SplitToZonesTool.cxx
index 24e53396..f91732cd 100644
--- a/src/HYDROData/HYDROData_SplitToZonesTool.cxx
+++ b/src/HYDROData/HYDROData_SplitToZonesTool.cxx
@@ -1,16 +1,51 @@
+// 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_SplitToZonesTool.h"
 
-#include "HYDROData_Polyline.h"
-
-#include <BRepAlgoAPI_Common.hxx>
+#include "HYDROData_PolylineXY.h"
+#include "HYDROData_ShapesGroup.h"
+#include <HYDROData_Transform.h>
 #include <BRepAlgoAPI_Cut.hxx>
+#include <BRepAlgoAPI_Common.hxx>
 #include <BRepBuilderAPI_MakeFace.hxx>
-
+#include <BRep_Builder.hxx>
 #include <TopExp_Explorer.hxx>
 #include <TopoDS.hxx>
-#include <TopoDS_Iterator.hxx>
+#include <TopoDS_Shape.hxx>
+#include <TopoDS_Compound.hxx>
 #include <TopoDS_Wire.hxx>
+#include <TopoDS_Edge.hxx>
+#include <BRepCheck_Analyzer.hxx>
+#include <TopTools_ListOfShape.hxx>
+#include <TopTools_ListIteratorOfListOfShape.hxx>
+#include <gp_Pln.hxx>
+#include <BRepGProp.hxx>
+#include <GProp_GProps.hxx>
+#include <Geom_Plane.hxx>
+#include <BRepBuilderAPI_FindPlane.hxx>
+
+//#define DEB_SPLIT_TO_ZONES 1
+//#define DEB_SPLIT_TO_ZONES_CHECK_PARTITION 1
+#if (defined (DEB_SPLIT_TO_ZONES) || defined(DEB_SPLIT_TO_ZONES_CHECK_PARTITION))
+#include <BRepTools.hxx>
+static TCollection_AsciiString fileNameBefore("BeforeTranslation");
+#endif
 
 TopoDS_Face HYDROData_SplitToZonesTool::SplitData::Face() const
 {
@@ -34,166 +69,540 @@ TopoDS_Face HYDROData_SplitToZonesTool::SplitData::Face() const
   return aResFace;
 }
 
+Standard_Boolean buildLimFace(const TopoDS_Wire& theBndWire, TopoDS_Face& outFace) 
+{
+  GProp_GProps G;
+  BRepGProp::LinearProperties(theBndWire,G);
+  const gp_Pnt& aCPnt = G.CentreOfMass();
+  gp_Pln aPln;
+  BRepBuilderAPI_FindPlane fndPlane (theBndWire, Precision::Confusion());  
+  if(fndPlane.Found())
+    aPln = fndPlane.Plane()->Pln();
+  else
+    aPln = gp_Pln(aCPnt, gp::OZ().Direction());
+  BRepBuilderAPI_MakeFace  aMkFace(aPln, theBndWire);
+  if(aMkFace.IsDone()) {
+    outFace = aMkFace.Face();      
+    if(!outFace.IsNull()) {
+#ifdef DEB_SPLIT_TO_ZONES
+//      BRepTools::Write(limFace,"FL.brep");
+#endif
+      return Standard_True;
+    }
+  }
+  return Standard_False;
+}
+//======================================================================================
+
+void HYDROData_SplitToZonesTool::SetFileNames(const QString& theNameBefore, const QString& theNameAfter)
+{
+#ifdef DEB_SPLIT_TO_ZONES_CHECK_PARTITION
+  if(!theNameBefore.isNull() && !theNameBefore.isEmpty())
+  {
+    TCollection_AsciiString aName (theNameBefore.toStdString().data());
+    fileNameBefore = aName;
+  }
+  if(!theNameAfter.isNull() && !theNameAfter.isEmpty())
+  {
+    TCollection_AsciiString aName (theNameAfter.toStdString().data());
+    HYDROData_Transform::SetFileName (aName);
+  }
+#endif
+}
+//======================================================================================
+Standard_Integer HYDROData_SplitToZonesTool::SplitFaces(const TopoDS_Compound& theComp, 
+                                                        HYDROData_Transform& theTool)
+{
+  theTool.Clear();
+  theTool.SetArgument(theComp);
+  theTool.Detect();
+  const Standard_Boolean bToTransform = theTool.ToTransform();  
+  theTool.SetToTransform(bToTransform);  
+  theTool.Perform();
+  Standard_Integer anErr = theTool.ErrorStatus();
+  return anErr;
+}
+
+//======================================================================================
 HYDROData_SplitToZonesTool::SplitDataList
-HYDROData_SplitToZonesTool::SplitToZones( const HYDROData_SequenceOfObjects& theObjectList,
-                                          const Handle(HYDROData_Polyline)&  thePolyline )
+  HYDROData_SplitToZonesTool::Split( const HYDROData_SequenceOfObjects&  theObjectList,
+                                     const HYDROData_SequenceOfObjects&  theGroupsList,
+                                     const Handle(HYDROData_PolylineXY)& thePolyline )
 {
   SplitDataList anOutputSplitDataList;
-
-  // Preparation. Collect the object shapes to split.
+  if(theObjectList.IsEmpty()) return anOutputSplitDataList;
+  // Preparation. 
+  // Collect the object shapes to split. InputDataList will contain elements which will hold shape & name_of_shape.
   SplitDataList anInputSplitDataList;
+#ifdef DEB_SPLIT_TO_ZONES
+  TCollection_AsciiString aNam("Faces_");
+#endif
   for( int anIndex = 1, aLength = theObjectList.Length(); anIndex <= aLength; anIndex++ )
   {
-    Handle(HYDROData_Object) aGeomObj = 
-      Handle(HYDROData_Object)::DownCast( theObjectList.Value( anIndex ) );
-    if( !aGeomObj.IsNull() )
-    {
-      TopoDS_Shape aShape = aGeomObj->GetTopShape();
-      if ( !aShape.IsNull() && aShape.ShapeType() == TopAbs_COMPOUND ) {
-        // Create split data for each face contained in the compound
-        TopExp_Explorer anExp( aShape, TopAbs_FACE );
+    Handle(HYDROData_Entity) anObj = theObjectList.Value( anIndex );
+    TopoDS_Shape aShape;
+
+    Handle(HYDROData_Object) aGeomObj = Handle(HYDROData_Object)::DownCast( anObj );
+    if( !aGeomObj.IsNull() ) {
+      aShape = aGeomObj->GetTopShape();
+    }
+
+    if ( aShape.IsNull() )
+      continue;  
+#ifdef DEB_SPLIT_TO_ZONES
+   TCollection_AsciiString aName = aNam + anIndex + ".brep";
+   BRepTools::Write(aShape, aName.ToCString());
+#endif
+    if ( aShape.ShapeType() == TopAbs_COMPOUND ) {
+      // Create split data for each face contained in the compound
+      TopExp_Explorer anExp( aShape, TopAbs_FACE );
+      for ( ; anExp.More(); anExp.Next() ) {
+        const TopoDS_Face& aFace = TopoDS::Face( anExp.Current() );
+        if ( !aFace.IsNull() ) {
+          SplitData aSplitData( SplitData::Data_Zone, aFace, anObj->GetName() );
+          anInputSplitDataList.append( aSplitData );
+        }
+      }
+    } else {
+      SplitData aSplitData( SplitData::Data_Zone, aShape, anObj->GetName() );
+      anInputSplitDataList.append( aSplitData );
+    }
+  }
+  //
+  SplitDataList anInputGroupList;
+  for( int anIndex = 1, aLength = theGroupsList.Length(); anIndex <=aLength; anIndex++ )
+  {
+    Handle(HYDROData_ShapesGroup) aGeomGroup = 
+      Handle(HYDROData_ShapesGroup)::DownCast( theGroupsList.Value( anIndex ) );
+    if( aGeomGroup.IsNull() )
+      continue;
+      
+    TopTools_SequenceOfShape aGroupShapes;
+    aGeomGroup->GetShapes( aGroupShapes );
+    for( int i = 1, aNbShapes = aGroupShapes.Length(); i <= aNbShapes; i++ ) {
+      const TopoDS_Shape& aGroupShape = aGroupShapes.Value( i );
+      if ( aGroupShape.IsNull() )
+        continue;  
+
+      if ( aGroupShape.ShapeType() == TopAbs_COMPOUND ) {    
+        TopExp_Explorer anExp( aGroupShape, TopAbs_EDGE );
         for ( ; anExp.More(); anExp.Next() ) {
-          TopoDS_Face aFace = TopoDS::Face( anExp.Current() );
-          if ( !aFace.IsNull() ) {
-            SplitData aSplitData( aFace, aGeomObj->GetName() );
-            anInputSplitDataList.append( aSplitData );
+          const TopoDS_Edge& anEdge = TopoDS::Edge( anExp.Current() );
+          if ( !anEdge.IsNull() ) {
+            SplitData aSplitData( SplitData::Data_Edge, anEdge, aGeomGroup->GetName() );
+            anInputGroupList.append( aSplitData );
           }
         }
       } else {
-        SplitData aSplitData( aShape, aGeomObj->GetName() );
-        anInputSplitDataList.append( aSplitData );
+        SplitData aSplitData( SplitData::Data_Edge, aGroupShape, aGeomGroup->GetName() );
+        anInputGroupList.append( aSplitData );
+#ifdef DEB_SPLIT_TO_ZONES
+        QString aStr = aSplitData.ObjectNames.join(" "); 
+        cout << "Group# = " <<anIndex <<" Nmb in grp = " << i<< " Names = "<<aStr.toStdString() << " size = " <<aSplitData.ObjectNames.size() <<endl;   
+#endif
       }
     }
   }
+  // If only one shape is given we don't split it 
+  // algorithm just returns the unpacked input data
+  bool limplus1Object(false);
+  if(theObjectList.Size() == 1 )  {
+    if(thePolyline.IsNull()) {
+      anOutputSplitDataList.append(anInputSplitDataList); 
+      if(!theGroupsList.IsEmpty() ) 
+        anOutputSplitDataList.append(anInputGroupList);
+      return anOutputSplitDataList;
+    } else
+        limplus1Object = true;// size =1 && hasLimits
+  }
+  HYDROData_DataMapOfShapeListOfString aDM3;
+  if(!anInputGroupList.isEmpty()) {// Old edge ==> List_Of_Names
+    QStringList aListOfNames;
+    for (int i=0;i < anInputGroupList.size() ;i++) {
+      const TopoDS_Shape& aSh = anInputGroupList.at(i).Shape;
+      aDM3.Add(aSh, anInputGroupList.at(i).ObjectNames);
+    }
+  }
 
-  // Step 1. Split the paths.
-  SplitDataListIterator anInputIter( anInputSplitDataList );
-  while( anInputIter.hasNext() )
-  {
-    const SplitData& anInputSplitData = anInputIter.next();
-    if( anOutputSplitDataList.isEmpty() )
-      anOutputSplitDataList.append( anInputSplitData );
-    else
-    {
-      SplitDataList aSplitDataList;
-
-      SplitDataList aSrcSplitDataList;
-      aSrcSplitDataList.append( anInputSplitData );
-
-      SplitDataList aDestSplitDataList = anOutputSplitDataList;
-      anOutputSplitDataList.clear();
+  // Step 1. Prepare Partition structures. 
+  TopoDS_Shape aResult;
+  BOPCol_ListOfShape aLS;  
+  QStringList aListOfNames;
+  TopoDS_Compound aCmp;
+  BRep_Builder aBB;
+  aBB.MakeCompound(aCmp);
+  for (int i=0;i < anInputSplitDataList.size() ;i++) {
+    const TopoDS_Shape& aSh = anInputSplitDataList.at(i).Shape;
+    aDM3.Add(aSh, anInputSplitDataList.at(i).ObjectNames);
+    aLS.Append(aSh);
+    aBB.Add(aCmp,aSh);
+#ifdef DEB_SPLIT_TO_ZONES
+    //TCollection_AsciiString aName = aNam + i + ".brep";
+    //BRepTools::Write(aSh, aName.ToCString());
+#endif
+  }
+#ifdef DEB_SPLIT_TO_ZONES_CHECK_PARTITION
+  TCollection_AsciiString aNameBefore = fileNameBefore + ".brep";
+  BRepTools::Write(aCmp, aNameBefore.ToCString());
+#endif
 
-      while( !aDestSplitDataList.isEmpty() )
-      {
-        SplitData aSrcSplitData = aSrcSplitDataList.last();
+  HYDROData_DataMapOfShapeListOfShape aDM1;
+  if(anInputSplitDataList.size() > 1) {
+    HYDROData_Transform splitTool; 
+    const Standard_Integer anErr = SplitFaces(aCmp, splitTool);    
+    if(anErr)
+      return anOutputSplitDataList;
+    aResult = splitTool.Shape();
+    if (aResult.IsNull()) 
+      return anOutputSplitDataList;
+    BRepCheck_Analyzer aCheck (aResult);
+    if(!aCheck.IsValid()) {
+  #ifdef DEB_SPLIT_TO_ZONES
+      cout << "result is not valid" <<endl;
+      BRepTools::Write(aResult, "SplitFacesNV.brep");  
+  #endif
+      return anOutputSplitDataList;
+    }
+  #ifdef DEB_SPLIT_TO_ZONES
+    BRepTools::Write(aResult, "SplitFacesV.brep");
+  #endif
+    
+    // Step 3. Collect history  
+    //HYDROData_DataMapOfShapeListOfShape aDM1;
+    BOPCol_ListIteratorOfListOfShape anIt(aLS); 
+  #ifdef DEB_SPLIT_TO_ZONES
+    TCollection_AsciiString aNamM ("EdgM_");
+    TCollection_AsciiString aNamG ("EdgG_");
+  #endif
+    for (int i =1;anIt.More();anIt.Next(),i++) {
+      Standard_Boolean foundF(Standard_False);
+      const TopTools_ListOfShape& aListOfNew = splitTool.Modified(anIt.Value());
+      if(!aListOfNew.IsEmpty())
+        foundF = Standard_True;
 
-        SplitData aDestSplitData = aDestSplitDataList.first();
-        aDestSplitDataList.pop_front();
+      TopTools_ListOfShape aList;
 
-        SplitData aData1Subtracted, aData2Subtracted, aDataIntersected;
-        if( SplitTwoData( aSrcSplitData, aDestSplitData,
-                          aData1Subtracted, aData2Subtracted, aDataIntersected ) )
-          anOutputSplitDataList.append( aDataIntersected );
-        anOutputSplitDataList.append( aData2Subtracted );
-        aSrcSplitDataList.append( aData1Subtracted );
+      TopTools_ListIteratorOfListOfShape it(aListOfNew);
+      for(;it.More();it.Next())       
+        aList.Append(it.Value());
+	  /* *********************************************************************
+      // Bug in History: partition should give only modified entities! => temporary solution is used
+      //const TopTools_ListOfShape& aListOfGen = splitTool.Generated(anIt.Value());
+      //if(!aListOfGen.IsEmpty())
+        //foundF = Standard_True;
+      //it.Initialize(aListOfGen);    
+      //for(;it.More();it.Next())     
+       // aList.Append(it.Value());  
+	   ********************************************************************* */
+      if(!foundF) // face is not modified
+        aList.Append (anIt.Value());
+      aDM1.Add(anIt.Value(), aList);
+  #ifdef DEB_SPLIT_TO_ZONES
+      TCollection_AsciiString aName;
+  #endif
+      if(!anInputGroupList.isEmpty() ) { // 1
+        TopExp_Explorer exp (anIt.Value(), TopAbs_EDGE);
+        for (int j =1;exp.More();exp.Next(),j++) {
+          aList.Clear();
+          Standard_Boolean foundE(Standard_False);
+          const TopTools_ListOfShape& aListM = splitTool.Modified(exp.Current());    
+          //cout << "NB_EDGE_M = " << aListM.Extent() <<endl;
+          if(aListM.Extent()) foundE = Standard_True;
+          it.Initialize(aListM);    
+          for(int k=1;it.More();it.Next(),k++) {    
+            aList.Append(it.Value());
+  #ifdef DEB_SPLIT_TO_ZONES
+            //aName = aNamM + i + j +k +".brep";
+            //BRepTools::Write(it.Value(),aName.ToCString());
+  #endif
+          }
+          /* *********************************************************************
+		  //const TopTools_ListOfShape& aListG = splitTool.Generated(exp.Current());
+          //if(aListG.Extent()) foundE = Standard_True;
+          //it.Initialize(aListG);    
+          //for(int k=1;it.More();it.Next(),k++)
+            //aList.Append(it.Value());
+          //cout << "NB_EDGE = " << aList.Extent() <<endl;
+		  ************************************************************************** */
+          if(!foundE) {
+            aList.Append (exp.Current());
+  #ifdef DEB_SPLIT_TO_ZONES
+            aName = aNamG + i + j +".brep";
+            BRepTools::Write(exp.Current(),aName.ToCString());
+            cout << aName.ToCString()<< " = " << exp.Current().TShape() <<endl;
+  #endif
+          }
+          aDM1.Add(exp.Current(), aList);
+        }
       }
-
-      if( !aSrcSplitDataList.isEmpty() )
-        anOutputSplitDataList.append( aSrcSplitDataList.last() );
     }
+  } else {
+      aResult = anInputSplitDataList.at(0).Shape; // get single input shape
   }
 
-  // Step 2. Take into account the boundary polyline.
-  if( !thePolyline.IsNull() )
-  {
-    TopoDS_Wire aWire = TopoDS::Wire( thePolyline->GetTopShape() );
-    if( !aWire.IsNull() )
-    {
-      BRepBuilderAPI_MakeFace aMakeFace( aWire, Standard_True );
-      aMakeFace.Build();
-      if( aMakeFace.IsDone() )
-      {
-        SplitData aBoundarySplitData( aMakeFace.Face(), "" );
-
-        SplitDataList aCutSplitDataList;
-        SplitDataListIterator anOutputIter( anOutputSplitDataList );
-        while( anOutputIter.hasNext() )
-        {
-          const SplitData& anOutputSplitData = anOutputIter.next();
-
-          SplitData aData1Subtracted, aData2Subtracted, aDataIntersected;
-          if( SplitTwoData( anOutputSplitData, aBoundarySplitData,
-                            aData1Subtracted, aData2Subtracted, aDataIntersected ) )
-            aCutSplitDataList.append( aDataIntersected );
+  // aDM2: NewShape ==> ListOfOldShapes
+  HYDROData_DataMapOfShapeListOfShape aDM2;
+  // make limiting face
+  HYDROData_DataMapOfShapeListOfShape aDM4;
+  Standard_Boolean hasLimits(Standard_False);
+  QString aBndName;
+  HYDROData_MapOfShape aBndView;
+  if (! thePolyline.IsNull()) {    
+    const TopoDS_Wire aBndWire = TopoDS::Wire(thePolyline->GetShape());
+    if(!aBndWire.IsNull()) {
+      TopoDS_Face limFace;       
+      if(buildLimFace(aBndWire, limFace)) {
+        TopoDS_Shape aComResult;
+        BRepAlgoAPI_Common mkCom(aResult, limFace);
+        if(mkCom.IsDone()) {
+          aComResult = mkCom.Shape();
+          BRepCheck_Analyzer aCheck (aComResult);
+          if(aCheck.IsValid()) {
+#ifdef DEB_SPLIT_TO_ZONES
+            BRepTools::Write(aComResult,"CommonV.brep");
+            BRepTools::Write(limFace,"limFace.brep");
+#endif    
+            aBndName = thePolyline->GetName();
+            hasLimits = Standard_True; // DM2 should be filled here
+            TopExp_Explorer exp (limFace, TopAbs_EDGE);
+            for (int i =1;exp.More();exp.Next(),i++) {
+              const TopoDS_Shape& anEdge = exp.Current();
+              if(anEdge.IsNull()) continue;
+              aBndView.Add(anEdge);
+              QStringList aListOfNames;
+              aListOfNames.append(aBndName);
+              aDM3.Add(anEdge, aListOfNames);
+              TopTools_ListOfShape aList;
+              aList.Append(anEdge);
+              aDM1.Add(anEdge,aList);
+            }
+            HYDROData_MapOfShape aView;
+            exp.Init (aResult, TopAbs_FACE);
+            for (int i =1;exp.More();exp.Next(),i++) {
+              const TopoDS_Shape& aFace = exp.Current();
+              if(!aFace.IsNull()) {
+                const TopTools_ListOfShape& aListOfNew = mkCom.Modified(aFace);
+                //cout << "Modified: " << aListOfNew.Extent() <<endl;                                    
+                if(!aListOfNew.IsEmpty()) {
+                  aDM4.Add(aFace, aListOfNew);
+#ifdef DEB_SPLIT_TO_ZONES
+                  //TCollection_AsciiString aName = aNam + i + ".brep";
+                  //BRepTools::Write(aListOfNew.Last(), aName.ToCString());                
+#endif
+                }
+                else {
+                    if(!mkCom.IsDeleted(aFace)) {
+                      const TopTools_ListOfShape& aListOfGen = mkCom.Generated(aFace);    
+                      if(!aListOfGen.IsEmpty()) {
+                        /* aDM4.Bind(aFace, aListOfGen); ???   */
+#ifdef DEB_SPLIT_TO_ZONES
+                        //TCollection_AsciiString aName = aNam + i + "g.brep";
+                        //BRepTools::Write(aListOfGen.Last(), aName.ToCString());
+#endif
+                      }
+                       else {
+                        TopTools_ListOfShape aList; 
+                        aList.Append(aFace);
+                        aDM4.Add(aFace, aList); //the same face - not modified
+                       }
+                    }
+             }
+             TopExp_Explorer exp2 (aFace, TopAbs_EDGE);
+             for (int j =1;exp2.More();exp2.Next(),j++) {
+               const TopoDS_Shape& anEdge = exp2.Current();
+               if(!anEdge.IsNull()) {
+                 if(aView.Contains(anEdge)) continue;
+                 aView.Add(anEdge);
+                 const TopTools_ListOfShape& aListOfNewEd = mkCom.Modified(anEdge);                 
+                 if(!aListOfNewEd.IsEmpty())
+                   aDM4.Add(anEdge, aListOfNewEd);
+                 else {
+                   if(!mkCom.IsDeleted(anEdge)) {
+                     const TopTools_ListOfShape& aListOfGenEd = mkCom.Generated(anEdge);
+                     if(!aListOfGenEd.IsEmpty()) {
+                       /* aDM4.Bind(anEdge, aListOfGenEd); ???*/
+                     } else {
+                       TopTools_ListOfShape aList; 
+                       aList.Append(anEdge);
+                       aDM4.Add(anEdge, aList);//the same edge - not modified
+                     }
+                   }
+                 }
+               }
+             }
+            }
+            } //end DM4 filling (phase 1)
+            //cout << "DM4 Ext = " <<aDM4.Extent() <<endl;
+         // phase 2 (from tool)
+#ifdef DEB_SPLIT_TO_ZONES
+         TCollection_AsciiString aNam("BndEd_");
+#endif
+         TopExp_Explorer expt (limFace, TopAbs_EDGE);
+         for(int i =1;expt.More();expt.Next(),i++) {
+           const TopoDS_Shape& anEdge = expt.Current();
+           if(!anEdge.IsNull()) {
+             const TopTools_ListOfShape& aListOfNewEd = mkCom.Modified(anEdge);    
+#ifdef DEB_SPLIT_TO_ZONES
+             TopTools_ListIteratorOfListOfShape itl(aListOfNewEd);
+             for(int j=1;itl.More();itl.Next(),j++) {
+               TCollection_AsciiString aName = aNam + i + "_" + j + ".brep";
+               BRepTools::Write(itl.Value(), aName.ToCString());
+               cout <<aName.ToCString()<<" = "<< itl.Value().TShape() <<endl;
+             }
+#endif
+             if(!aListOfNewEd.IsEmpty())
+               aDM4.Add(anEdge, aListOfNewEd);
+             else {
+               if(!mkCom.IsDeleted(anEdge)) {
+                 const TopTools_ListOfShape& aListOfGenEd = mkCom.Generated(anEdge);
+                 if(!aListOfGenEd.IsEmpty()) {
+                   /* aDM4.Bind(anEdge, aListOfGenEd); ??? */
+                 } else {
+                   TopTools_ListOfShape aList; 
+                   aList.Append(anEdge);
+                   aDM4.Add(anEdge, aList);//the same edge - not modified
+                 }
+               }
+             }
+           }
+         }
+         //cout << "DM4 Ext = " <<aDM4.Extent() <<endl;
+         if(limplus1Object) {
+           // fill DM1 (old - new) and DM2 (new - old)
+           HYDROData_DataMapIteratorOfDataMapOfShapeListOfShape mIt(aDM4);
+           for(;mIt.More();mIt.Next()) {
+             const TopoDS_Shape& aKey = mIt.Key();//old
+             TopTools_ListOfShape aList;
+             aList.Append(aKey);
+             const TopTools_ListOfShape& aListOfNew = mIt.Value();
+             aDM1.Add(aKey, aListOfNew);
+             TopTools_ListIteratorOfListOfShape it(aListOfNew);
+             for(;it.More();it.Next()) {
+               if(!aDM2.Contains(it.Value()))
+                 aDM2.Add(it.Value(), aList);
+               else {
+                 TopTools_ListOfShape& aList = aDM2.ChangeFromKey(it.Value());
+                 aList.Prepend(aKey);
+               }
+             }
+           }
+         } else {
+           HYDROData_DataMapIteratorOfDataMapOfShapeListOfShape aMIt(aDM1); 
+           //DM4 contains Old - New after common op. DM1: old - new after Split op.
+           for(;aMIt.More();aMIt.Next()) {
+             const TopoDS_Shape& aKey = aMIt.Key();
+             TopTools_ListOfShape aList;
+             aList.Append(aKey);
+             const TopTools_ListOfShape& aListOfNew = aMIt.Value();
+             TopTools_ListIteratorOfListOfShape it(aListOfNew);
+             for(;it.More();it.Next()) {// iterate new: b1, b2, b3...
+               if(!aDM4.Contains(it.Value())) // bi - is deleted
+                 continue; // go to the next bi
+               else {
+                 const TopTools_ListOfShape& aListOfNew4 = aDM4.FindFromKey(it.Value());
+                  TopTools_ListIteratorOfListOfShape it4(aListOfNew4); // {c1, c2, c3,...}
+                  for(;it4.More();it4.Next()) {
+                    if(!aDM2.Contains(it4.Value()))
+                      aDM2.Add(it4.Value(), aList);
+                    else {
+                      TopTools_ListOfShape& aList = aDM2.ChangeFromKey(it4.Value());
+                      aList.Prepend(aKey);
+                    }
+                  }
+               }
+             }
+           }
+         }
+         } else {
+             hasLimits = Standard_False;
+#ifdef DEB_SPLIT_TO_ZONES
+             BRepTools::Write(aComResult,"CommonNV.brep");
+#endif    
+          }
+       }
+      }
+    }
+  }// end limits processing
+  if(!hasLimits) {
+    HYDROData_DataMapIteratorOfDataMapOfShapeListOfShape aMIt(aDM1);
+    for(;aMIt.More();aMIt.Next()) {
+      const TopoDS_Shape& aKey = aMIt.Key();
+      TopTools_ListOfShape aList;
+      aList.Append(aKey);
+      const TopTools_ListOfShape& aListOfNew = aMIt.Value();
+      TopTools_ListIteratorOfListOfShape it(aListOfNew);
+      for(;it.More();it.Next()) {
+        if(!aDM2.Contains(it.Value()))
+          aDM2.Add(it.Value(), aList);
+        else {
+          TopTools_ListOfShape& aList = aDM2.ChangeFromKey(it.Value());
+          aList.Prepend(aKey);
         }
-        anOutputSplitDataList = aCutSplitDataList;
       }
     }
   }
+  // Step 4. Fill output structure.
+#ifdef DEB_SPLIT_TO_ZONES
+  TCollection_AsciiString aNam4 ("SC_");
+#endif  
+  HYDROData_DataMapIteratorOfDataMapOfShapeListOfShape aMIt(aDM2);
+  for(int i =1;aMIt.More();aMIt.Next(),i++) {
+    SplitData aDestSplitData;
+    const TopoDS_Shape& aKey = aMIt.Key(); //new
+    aDestSplitData.Shape = aKey;
+    if(aKey.ShapeType() == TopAbs_FACE)
+      aDestSplitData.Type = SplitData::Data_Zone;
+    else {
+      aDestSplitData.Type = SplitData::Data_Edge;
+#ifdef DEB_SPLIT_TO_ZONES
+      TCollection_AsciiString aName = aNam4 + i + ".brep";
+      BRepTools::Write(aKey,aName.ToCString());
+#endif    
+    }
 
-  // Step 3. Extract the separate regions.
-  SplitDataList anExtractedSplitDataList;
-  SplitDataListIterator anOutputIter( anOutputSplitDataList );
-  while( anOutputIter.hasNext() )
-  {
-    const SplitData& anOutputSplitData = anOutputIter.next();
-    anExtractedSplitDataList.append( ExtractSeparateData( anOutputSplitData ) );
-  }
-
-  return anExtractedSplitDataList;
-}
-
-bool HYDROData_SplitToZonesTool::SplitTwoData( const SplitData& theData1,
-                                               const SplitData& theData2,
-                                               SplitData& theData1Subtracted,
-                                               SplitData& theData2Subtracted,
-                                               SplitData& theDataIntersected )
-{
-  const TopoDS_Shape& aShape1 = theData1.Shape;
-  const TopoDS_Shape& aShape2 = theData2.Shape;
-
-  const QStringList& anObjectNames1 = theData1.ObjectNames;
-  const QStringList& anObjectNames2 = theData2.ObjectNames;
+    QStringList aListOfNames; // names processing
+    const TopTools_ListOfShape& aListOfOld = aMIt.Value();
+    TopTools_ListIteratorOfListOfShape it(aListOfOld);
+    for(int j =1;it.More();it.Next(),j++) {    
+      const TopoDS_Shape& aSh = it.Value(); //old
+      if(aDM3.Contains(aSh)) {
+        const QStringList& ObjectNames = aDM3.FindFromKey(aSh);    
+        aListOfNames.append(ObjectNames);
+#ifdef DEB_SPLIT_TO_ZONES
+        TCollection_AsciiString aName = aNam4 + i +"_" + j + ".brep";
+        BRepTools::Write(aSh ,aName.ToCString());        
+#endif    
+      }    else {
+#ifdef DEB_SPLIT_TO_ZONES
+        TCollection_AsciiString aName = aNam4 +"__" + i +"_" + j + ".brep";
+        BRepTools::Write(aSh ,aName.ToCString());        
+        cout <<aName.ToCString()<<" = "<< aSh.TShape() <<endl;
+#endif
+          if(aBndView.Contains(aSh) && hasLimits) {            
+            aListOfNames.append(aBndName);
+#ifdef DEB_SPLIT_TO_ZONES
+            cout << " BndName = "<<aBndName.toStdString() <<endl; 
+#endif
+          }
+      }
+    }
 
-  BRepAlgoAPI_Common aCommon( aShape1, aShape2 );
-  TopoDS_Shape aCommonShape = aCommon.Shape();
-  if( aCommonShape.IsNull() )
-  {
-    theData1Subtracted = theData1;
-    theData2Subtracted = theData2;
-    return false;
+    aDestSplitData.ObjectNames = aListOfNames;  
+    anOutputSplitDataList.append(aDestSplitData);    
+#ifdef DEB_SPLIT_TO_ZONES
+    QString aStr = aDestSplitData.ObjectNames.join(" "); 
+    cout << "New# = " << i<< " Names = "<<aStr.toStdString() << " size = " <<aDestSplitData.ObjectNames.size() <<endl; 
+#endif
   }
 
-  BRepAlgoAPI_Cut aCut1( aShape1, aShape2 );
-  TopoDS_Shape aCut1Shape = aCut1.Shape();
-
-  BRepAlgoAPI_Cut aCut2( aShape2, aShape1 );
-  TopoDS_Shape aCut2Shape = aCut2.Shape();
-
-  theData1Subtracted = SplitData( aCut1Shape, anObjectNames1 );
-  theData2Subtracted = SplitData( aCut2Shape, anObjectNames2 );
-  theDataIntersected = SplitData( aCommonShape, anObjectNames1 + anObjectNames2 );
-
-  return true;
+  return anOutputSplitDataList;
 }
 
 HYDROData_SplitToZonesTool::SplitDataList
-HYDROData_SplitToZonesTool::ExtractSeparateData( const SplitData& theData )
+  HYDROData_SplitToZonesTool::Split( const HYDROData_SequenceOfObjects& theObjectList )
 {
-  SplitDataList aSplitDataList;
-  TopExp_Explorer anExp( theData.Shape, TopAbs_FACE );
-  for( ; anExp.More(); anExp.Next() )
-  {
-    TopoDS_Shape aShape = anExp.Current();
-    if( aShape.ShapeType() == TopAbs_FACE )
-    {
-      TopoDS_Face aFace = TopoDS::Face( aShape );
-      if( !aFace.IsNull() )
-      {
-        SplitData aSplitData( aFace, theData.ObjectNames );
-        aSplitDataList.append( aSplitData );
-      }
-    }
-  }
-  return aSplitDataList;
-}
+  HYDROData_SequenceOfObjects aGeomGroups;
+  Handle(HYDROData_PolylineXY) aPolyline;
+
+  return Split( theObjectList, aGeomGroups, aPolyline );
+}
\ No newline at end of file