X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=src%2FHYDROData%2FHYDROData_CalculationCase.cxx;h=b0241aa91ba15b556d27f14eb7c47e5e85870665;hb=00d0017f5e951fb3dd965140d1f16d07d9a49daa;hp=5d910ddca6701e293900deee7e314af596ca6afa;hpb=ef1096f4d88cbde902053605b1082ecd55d982fc;p=modules%2Fhydro.git

diff --git a/src/HYDROData/HYDROData_CalculationCase.cxx b/src/HYDROData/HYDROData_CalculationCase.cxx
index 5d910ddc..b0241aa9 100644
--- a/src/HYDROData/HYDROData_CalculationCase.cxx
+++ b/src/HYDROData/HYDROData_CalculationCase.cxx
@@ -1,30 +1,73 @@
+// 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_CalculationCase.h"
 
 #include "HYDROData_ArtificialObject.h"
-#include "HYDROData_Bathymetry.h"
+#include "HYDROData_IAltitudeObject.h"
 #include "HYDROData_Document.h"
+#include "HYDROData_ShapesGroup.h"
 #include "HYDROData_Iterator.h"
 #include "HYDROData_NaturalObject.h"
 #include "HYDROData_PolylineXY.h"
-#include "HYDROData_SplitToZonesTool.h"
+#include "HYDROData_StricklerTable.h"
+#include "HYDROData_LandCover.h"
+#include "HYDROData_SplittedShapesGroup.h"
 #include "HYDROData_Region.h"
 #include "HYDROData_Tool.h"
-#include "HYDROData_Zone.h"
+#include "HYDROData_GeomTool.h"
+
+#include <GEOMBase.h>
+
+#include <QSet>
 
 #include <TopoDS.hxx>
 #include <TopoDS_Shell.hxx>
+#include <TopoDS_Edge.hxx>
+
 #include <BRep_Builder.hxx>
 #include <BRepBuilderAPI_Sewing.hxx>
+#include <BRepTopAdaptor_FClass2d.hxx>
+
+#include <BRepTools.hxx>
+
+#include <TopAbs.hxx>
 #include <TopExp_Explorer.hxx>
 #include <TopExp.hxx>
 #include <TopTools_ListOfShape.hxx>
 #include <TopTools_ListIteratorOfListOfShape.hxx>
+#include <TDataStd_Integer.hxx>
 
+//#define  DEB_CALCULATION 1
+#ifdef DEB_CALCULATION
+#include <BRepTools.hxx>
+#include <TopLoc_Location.hxx>
+#endif 
 #define CALCULATION_REGIONS_PREF GetName() + "_Reg"
 #define CALCULATION_ZONES_PREF GetName() + "_Zone"
+#define CALCULATION_LANDCOVER_ZONES_PREF GetName() + "_LandCoverZone"
+#define CALCULATION_GROUPS_PREF GetName() + "_"
+//#define DEB_CLASS2D 1
+#ifdef DEB_CLASS2D
+#include <BRepBuilderAPI_MakeVertex.hxx>
+#endif
 
-#define PYTHON_CALCULATION_ID "KIND_CALCULATION"
+#define EXPORT_NAME "HYDRO_" + GetName()
 
 IMPLEMENT_STANDARD_HANDLE(HYDROData_CalculationCase, HYDROData_Entity)
 IMPLEMENT_STANDARD_RTTIEXT(HYDROData_CalculationCase, HYDROData_Entity)
@@ -43,39 +86,23 @@ void HYDROData_CalculationCase::SetName( const QString& theName )
   QString anOldCaseName = GetName();
   if ( anOldCaseName != theName )
   {
-    HYDROData_SequenceOfObjects aRegions = GetRegions();
+    // Update names of regions and its zones
+    UpdateRegionsNames( GetRegions( false ), anOldCaseName, theName );
+    // Update names of land cover regions and its zones
+    UpdateRegionsNames( GetRegions( true ), anOldCaseName, theName );
+
+    HYDROData_SequenceOfObjects aGroups = GetSplittedGroups();
 
-    HYDROData_SequenceOfObjects::Iterator anIter( aRegions );
+    HYDROData_SequenceOfObjects::Iterator anIter;
+    anIter.Init( aGroups );
     for ( ; anIter.More(); anIter.Next() )
     {
-      Handle(HYDROData_Region) aRegion =
-        Handle(HYDROData_Region)::DownCast( anIter.Value() );
-      if ( aRegion.IsNull() )
+      Handle(HYDROData_SplittedShapesGroup) aGroup =
+        Handle(HYDROData_SplittedShapesGroup)::DownCast( anIter.Value() );
+      if ( aGroup.IsNull() )
         continue;
 
-      QString aRegionName = aRegion->GetName();
-      if ( aRegionName.startsWith( anOldCaseName ) )
-      {
-        aRegionName.replace( anOldCaseName, theName );
-        aRegion->SetName( aRegionName );
-      }
-
-      HYDROData_SequenceOfObjects aZones = aRegion->GetZones();
-      HYDROData_SequenceOfObjects::Iterator anIter( aZones );
-      for ( ; anIter.More(); anIter.Next() )
-      {
-        Handle(HYDROData_Zone) aRegZone =
-          Handle(HYDROData_Zone)::DownCast( anIter.Value() );
-        if ( aRegZone.IsNull() )
-          continue;
-
-        QString aRegionZoneName = aRegZone->GetName();
-        if ( aRegionZoneName.startsWith( anOldCaseName ) )
-        {
-          aRegionZoneName.replace( anOldCaseName, theName );
-          aRegZone->SetName( aRegionZoneName );
-        }
-      }
+      HYDROData_Tool::UpdateChildObjectName( anOldCaseName, theName, aGroup );
     }
   }
 
@@ -84,20 +111,18 @@ void HYDROData_CalculationCase::SetName( const QString& theName )
 
 QStringList HYDROData_CalculationCase::DumpToPython( MapOfTreatedObjects& theTreatedObjects ) const
 {
-  QStringList aResList;
+  QStringList aResList = dumpObjectCreation( theTreatedObjects );
+  aResList.prepend( "# Calculation case" );
 
-  Handle(HYDROData_Document) aDocument = HYDROData_Document::Document( myLab );
-  if ( aDocument.IsNull() )
-    return aResList;
-                             
-  QString aDocName = aDocument->GetDocPyName();
-  QString aCalculName = GetName();
-
-  aResList << QString( "%1 = %2.CreateObject( %3 );" )
-              .arg( aCalculName ).arg( aDocName ).arg( PYTHON_CALCULATION_ID );
-  aResList << QString( "%1.SetName( \"%2\" );" )
-              .arg( aCalculName ).arg( aCalculName );
-  aResList << QString( "" );
+  QString aCalculName = GetObjPyName();
+
+  AssignmentMode aMode = GetAssignmentMode();  
+  QString aModeStr = aMode==MANUAL ? "HYDROData_CalculationCase.MANUAL" : "HYDROData_CalculationCase.AUTOMATIC";
+  aResList << QString( "%0.SetAssignmentMode( %1 )" ).arg( aCalculName ).arg( aModeStr );
+
+  AssignmentMode aModeLC = GetAssignmentLandCoverMode();
+  QString aModeLCStr = aModeLC==MANUAL ? "HYDROData_CalculationCase.MANUAL" : "HYDROData_CalculationCase.AUTOMATIC";
+  aResList << QString( "%0.SetAssignmentLandCoverMode( %1 )" ).arg( aCalculName ).arg( aModeLCStr );
 
   HYDROData_SequenceOfObjects aGeomObjects = GetGeometryObjects();
   HYDROData_SequenceOfObjects::Iterator anIter( aGeomObjects );
@@ -105,31 +130,120 @@ QStringList HYDROData_CalculationCase::DumpToPython( MapOfTreatedObjects& theTre
   {
     Handle(HYDROData_Object) aRefGeomObj =
       Handle(HYDROData_Object)::DownCast( anIter.Value() );
-    if ( !aRefGeomObj.IsNull() )
-      setPythonReferenceObject( theTreatedObjects, aResList, aRefGeomObj, "AddGeometryObject" );
+    setPythonReferenceObject( theTreatedObjects, aResList, aRefGeomObj, "AddGeometryObject" );
   }
   aResList << QString( "" );
 
-  aResList << QString( "%1.SplitGeometryObjects();" ).arg( aCalculName );
-  aResList << QString( "" );
+  QString aGroupName = HYDROData_Tool::GenerateNameForPython( theTreatedObjects, "case_geom_group" );
 
-  // Now we restore the regions and zones order
-  HYDROData_SequenceOfObjects aRegions = GetRegions();
-  anIter.Init( aRegions );
+  HYDROData_SequenceOfObjects aGeomGroups = GetGeometryGroups();
+  anIter.Init( aGeomGroups );
   for ( ; anIter.More(); anIter.Next() )
   {
-    Handle(HYDROData_Region) aRegion =
-      Handle(HYDROData_Region)::DownCast( anIter.Value() );
-    if ( aRegion.IsNull() )
+    Handle(HYDROData_ShapesGroup) aGeomGroup =
+      Handle(HYDROData_ShapesGroup)::DownCast( anIter.Value() );
+    if ( aGeomGroup.IsNull() )
+      continue;
+
+    Handle(HYDROData_Object) aFatherGeom =
+      Handle(HYDROData_Object)::DownCast( aGeomGroup->GetFatherObject() );
+    if ( aFatherGeom.IsNull() )
       continue;
 
-    QString aRegionName = aRegion->GetName();
-    // TODO
+    int aGroupId = aFatherGeom->GetGroupId( aGeomGroup );
+    aResList << QString( "%1 = %2.GetGroup( %3 );" )
+              .arg( aGroupName ).arg( aFatherGeom->GetObjPyName() ).arg( aGroupId );
+
+    aResList << QString( "%1.AddGeometryGroup( %2 );" ).arg( aCalculName ).arg( aGroupName );
   }
 
+  Handle(HYDROData_PolylineXY) aBoundaryPolyline = GetBoundaryPolyline();
+  setPythonReferenceObject( theTreatedObjects, aResList, aBoundaryPolyline, "SetBoundaryPolyline" );
+
+  if( aMode==AUTOMATIC )
+    DumpRulesToPython( aCalculName, aResList );
+  if( aModeLC==AUTOMATIC )
+    DumpLandCoverRulesToPython( aCalculName, aResList );
+
+  aResList << QString( "" );
+  aResList << "# Start the algorithm of the partition and assignment";
+  aResList << QString( "%1.Update();" ).arg( aCalculName );
+
+  if( aMode==MANUAL )
+  {
+    // Now we restore the
+    // - regions and zones order
+    DumpRegionsToPython( aResList, theTreatedObjects, GetRegions( false ) );   
+  }
+
+  if( aModeLC==MANUAL )
+  {
+    // Now we restore the
+    // - land cover regions and zones order
+    DumpRegionsToPython( aResList, theTreatedObjects, GetRegions( true ) );
+  }
+
+  // Export calculation case
+  aResList << QString( "" );
+  aResList << "# Export of the calculation case";
+  QString aStudyName = "theStudy";
+  QString anEntryVar = aCalculName + "_entry";
+  aResList << QString( "%1 = %2.Export( %3._get_StudyId() )" ).arg( anEntryVar ).arg( aCalculName ).arg( aStudyName );
+
+  // Get geometry object and print debug information
+  aResList << "";
+  aResList << "# Get geometry shape and print debug information";
+  aResList << "import GEOM";
+  aResList << QString( "print \"Entry:\", %1" ).arg( anEntryVar );
+  QString aGeomShapeName = aCalculName + "_geom";
+  aResList << QString( "%1 = salome.IDToObject( str( %2 ) )" ).arg( aGeomShapeName ).arg( anEntryVar );
+  aResList << QString( "print \"Geom shape:\", %1" ).arg( aGeomShapeName );
+  aResList << QString( "print \"Geom shape name:\", %1.GetName()" ).arg( aGeomShapeName );
+
+  DumpSampleMeshing( aResList, aStudyName, aGeomShapeName, aCalculName+"_mesh" );
+
+  aResList << QString( "" );
   return aResList;
 }
 
+void HYDROData_CalculationCase::DumpSampleMeshing( QStringList& theResList,
+                                                   const QString& theStudyName,
+                                                   const QString& theGeomShapeName,
+                                                   const QString& theMeshName ) const
+{
+  theResList << "";
+  theResList << "# Meshing";
+  theResList << "import SMESH, SALOMEDS";
+  theResList << "from salome.smesh import smeshBuilder";
+  theResList << "from salome.geom import geomBuilder";
+
+  theResList << QString( "smesh = smeshBuilder.New( %1 )" ).arg( theStudyName );
+  theResList << QString( "%1 = smesh.Mesh( %2 )" ).arg( theMeshName ).arg( theGeomShapeName );
+  theResList << QString( "MEFISTO_2D = %1.Triangle( algo=smeshBuilder.MEFISTO )" ).arg( theMeshName );
+  theResList << "Max_Element_Area_1 = MEFISTO_2D.MaxElementArea( 10 )";
+  theResList << QString( "Regular_1D = %1.Segment()" ).arg( theMeshName );
+  theResList << "Max_Size_1 = Regular_1D.MaxSize(10)";
+  theResList << QString( "isDone = %1.Compute()" ).arg( theMeshName );
+
+  theResList << "";
+  theResList << "# Set names of Mesh objects";
+  theResList << "smesh.SetName( MEFISTO_2D.GetAlgorithm(), 'MEFISTO_2D' )";
+  theResList << "smesh.SetName( Regular_1D.GetAlgorithm(), 'Regular_1D' )";
+  theResList << "smesh.SetName( Max_Size_1, 'Max Size_1' )";
+  theResList << "smesh.SetName( Max_Element_Area_1, 'Max. Element Area_1' )";
+  theResList << QString( "smesh.SetName( %1.GetMesh(), '%1' )" ).arg( theMeshName );
+
+  theResList << "";
+  theResList << "# Greate SMESH groups";
+  theResList << QString( "geompy = geomBuilder.New( %1 )" ).arg( theStudyName );
+  theResList << QString( "geom_groups = geompy.GetGroups( %1 )" ).arg( theGeomShapeName );
+  theResList << QString( "for group in geom_groups:" );
+  theResList << QString( "    smesh_group = %1.GroupOnGeom(group, group.GetName(), SMESH.EDGE)" )
+                .arg( theMeshName );
+  theResList << QString( "    smesh.SetName(smesh_group, group.GetName())" );
+  theResList << QString( "    print \"SMESH group '%s': %s\" % (smesh_group.GetName(), smesh_group)" );
+}
+
 HYDROData_SequenceOfObjects HYDROData_CalculationCase::GetAllReferenceObjects() const
 {
   HYDROData_SequenceOfObjects aResSeq = HYDROData_Entity::GetAllReferenceObjects();
@@ -138,68 +252,233 @@ HYDROData_SequenceOfObjects HYDROData_CalculationCase::GetAllReferenceObjects()
   if ( !aBoundaryPolyline.IsNull() )
     aResSeq.Append( aBoundaryPolyline );
 
-  HYDROData_SequenceOfObjects aSeqOfRegions = GetRegions();
+  // Regions
+  HYDROData_SequenceOfObjects aSeqOfRegions = GetRegions( false );
   aResSeq.Append( aSeqOfRegions );
 
+  // Land cover regions
+  HYDROData_SequenceOfObjects aSeqOfLandCoverRegions = GetRegions( true );
+  aResSeq.Append( aSeqOfLandCoverRegions );
+
   return aResSeq;
 }
 
 void HYDROData_CalculationCase::Update()
 {
   HYDROData_Entity::Update();
+  SetWarning();
 
-  // At first we remove previously created regions
-  RemoveRegions();
+  // At first we remove previously created objects
+  RemoveRegions( false );
+  RemoveRegions( true );
+  RemoveSplittedGroups();
 
   Handle(HYDROData_Document) aDocument = HYDROData_Document::Document( myLab );
   if ( aDocument.IsNull() )
     return;
 
+  // Split to zones
+  HYDROData_SplitToZonesTool::SplitDataList aZonesList, anEdgesList;
+
   Handle(HYDROData_PolylineXY) aBoundaryPolyline = GetBoundaryPolyline();
   HYDROData_SequenceOfObjects aGeomObjects = GetGeometryObjects();
-  if ( aGeomObjects.IsEmpty() )
-    return;
+  if ( !aGeomObjects.IsEmpty() ) {
+    HYDROData_SequenceOfObjects aGeomGroups = GetGeometryGroups();
+
+    HYDROData_SplitToZonesTool::SplitDataList aSplitObjects =
+      HYDROData_SplitToZonesTool::Split( aGeomObjects, aGeomGroups, aBoundaryPolyline );
+    if ( !aSplitObjects.isEmpty() ) {
+      HYDROData_SplitToZonesTool::SplitDataListIterator anIter( aSplitObjects );
+      while( anIter.hasNext() ) {
+        const HYDROData_SplitToZonesTool::SplitData& aSplitData = anIter.next();
+        if ( aSplitData.Type == HYDROData_SplitToZonesTool::SplitData::Data_Zone )
+          aZonesList.append( aSplitData );
+        else if ( aSplitData.Type == HYDROData_SplitToZonesTool::SplitData::Data_Edge )
+          anEdgesList.append( aSplitData );
+      }
+    }
+  }
 
-  HYDROData_SplitToZonesTool::SplitDataList aSplitedZones =
-    HYDROData_SplitToZonesTool::SplitToZones( aGeomObjects, aBoundaryPolyline );
-  if ( aSplitedZones.isEmpty() )
-    return;
+  // Split to land cover zones
+  HYDROData_SplitToZonesTool::SplitDataList aLandCoverZonesList;
+
+  HYDROData_SequenceOfObjects aLandCovers = GetLandCovers();
+  if ( !aLandCovers.IsEmpty() ) {
+    HYDROData_SplitToZonesTool::SplitDataList aSplitLandCoverObjects =
+      HYDROData_SplitToZonesTool::Split( aLandCovers );
+    if ( !aSplitLandCoverObjects.isEmpty() ) {
+      HYDROData_SplitToZonesTool::SplitDataListIterator anIter( aSplitLandCoverObjects );
+      while( anIter.hasNext() ) {
+        const HYDROData_SplitToZonesTool::SplitData& aSplitData = anIter.next();
+        if ( aSplitData.Type == HYDROData_SplitToZonesTool::SplitData::Data_Zone )
+          aLandCoverZonesList.append( aSplitData );
+      }
+    }
+  }
 
-  QString aRegsPref = CALCULATION_REGIONS_PREF;
-  QString aZonesPref = CALCULATION_ZONES_PREF;
+  switch( GetAssignmentMode() )
+  {
+  case MANUAL:
+    CreateRegionsDef( aDocument, aZonesList, false );    
+    break;
+  case AUTOMATIC:
+    CreateRegionsAuto( aDocument, aZonesList, false );    
+    break;
+  }
 
+  switch( GetAssignmentLandCoverMode() )
+  {
+  case MANUAL:
+    CreateRegionsDef( aDocument, aLandCoverZonesList, true );
+    break;
+  case AUTOMATIC:
+    CreateRegionsAuto( aDocument, aLandCoverZonesList, true );
+    break;
+  }
+
+  CreateEdgeGroupsDef( aDocument, anEdgesList );
+}
+
+void HYDROData_CalculationCase::CreateRegionsDef( const Handle(HYDROData_Document)& theDoc,
+                                                  const HYDROData_SplitToZonesTool::SplitDataList& theZones,
+                                                  const bool theLandCover )
+{
   // Create result regions for case, by default one zone for one region
-  HYDROData_SplitToZonesTool::SplitDataListIterator anIter( aSplitedZones );
+  QString aRegsPref = CALCULATION_REGIONS_PREF;
+  QString aZonesPref = theLandCover ? CALCULATION_LANDCOVER_ZONES_PREF : CALCULATION_ZONES_PREF;
+
+  HYDROData_SplitToZonesTool::SplitDataListIterator anIter( theZones );
   while( anIter.hasNext() )
   {
     const HYDROData_SplitToZonesTool::SplitData& aSplitData = anIter.next();
-
     // Create new region
-    Handle(HYDROData_Region) aRegion = addNewRegion();
-
-    QString aRegionName = HYDROData_Tool::GenerateObjectName( aDocument, aRegsPref );
-    aRegion->SetName( aRegionName );
+    Handle(HYDROData_Region) aRegion = addNewRegion( theDoc, aRegsPref, theLandCover );
 
     // Add the zone for region
-    Handle(HYDROData_Zone) aRegionZone = aRegion->addNewZone();
+    Handle(HYDROData_Zone) aRegionZone = aRegion->addNewZone( theDoc, aZonesPref, aSplitData.Face(), aSplitData.ObjectNames );
+  }
+}
 
-    QString aZoneName = HYDROData_Tool::GenerateObjectName( aDocument, aZonesPref );
-    aRegionZone->SetName( aZoneName );
+void HYDROData_CalculationCase::CreateRegionsAuto( const Handle(HYDROData_Document)& theDoc,
+                                                   const HYDROData_SplitToZonesTool::SplitDataList& theZones,
+                                                   const bool theLandCover )
+{
+  QMap<QString, Handle(HYDROData_Region)> aRegionsMap; //object name to region
+  QMap<QString, QString> aRegionNameToObjNameMap;
+  QString aZonesPref = theLandCover ? CALCULATION_LANDCOVER_ZONES_PREF : CALCULATION_ZONES_PREF;
+  HYDROData_PriorityQueue aPr( this, theLandCover ? DataTag_CustomLandCoverRules : DataTag_CustomRules );
+
+  // 1. First we create a default region for each object included into the calculation case
+  HYDROData_SequenceOfObjects anObjects = theLandCover ? GetLandCovers() : GetGeometryObjects();
+  for( int i = anObjects.Lower(), n = anObjects.Upper(); i<=n; i++ )
+  {
+    Handle(HYDROData_Entity) anObj = anObjects.Value( i );
+    if( anObj.IsNull() )
+      continue;
+    QString anObjName = anObj->GetName();
+    QString aRegName = anObjName + "_reg";
+    Handle(HYDROData_Region) aRegion = addNewRegion( theDoc, aRegName, theLandCover, false );
+    aRegionsMap.insert( anObjName, aRegion );
+    aRegionNameToObjNameMap.insert( aRegName, anObjName );
+  }
 
-    aRegionZone->SetShape( aSplitData.Face() );
+  // 2. Now for each zone it is necessary to determine the most priority object
+  //    and assign to zone to corresponding region
+  HYDROData_SplitToZonesTool::SplitDataListIterator anIter( theZones );
+  while( anIter.hasNext() )
+  {
+    const HYDROData_SplitToZonesTool::SplitData& aSplitData = anIter.next();
+    HYDROData_Zone::MergeType aMergeType;
+    Handle(HYDROData_Entity) aRegObj = aPr.GetMostPriorityObject( aSplitData.ObjectNames, aMergeType );
+    if( aRegObj.IsNull() )
+      continue;
+    Handle(HYDROData_Region) aRegion = aRegionsMap[aRegObj->GetName()];
+    if( aRegion.IsNull() )
+      continue;
+    Handle(HYDROData_Zone) aRegionZone = aRegion->addNewZone( theDoc, aZonesPref, aSplitData.Face(), aSplitData.ObjectNames );
 
-    // Add the reference object for zone
-    for ( int i = 0, n = aSplitData.ObjectNames.length(); i < n; ++i )
+    if( aSplitData.ObjectNames.count() > 1 && aMergeType==HYDROData_Zone::Merge_UNKNOWN )
     {
-      const QString& anObjName = aSplitData.ObjectNames.at( i );
-      
-      Handle(HYDROData_Object) aRefObject = Handle(HYDROData_Object)::DownCast(
-        HYDROData_Tool::FindObjectByName( aDocument, anObjName ) );
-      if ( aRefObject.IsNull() )
-        continue;
+      qDebug( "Error in algorithm: unresolved conflicts" );
+    }
+
+    Handle(HYDROData_Entity) aMergeEntity = aRegObj;
+    if ( !theLandCover ) {
+      Handle(HYDROData_Object) aMergeObject = Handle(HYDROData_Object)::DownCast( aMergeEntity );
+      if ( !aMergeObject.IsNull() ) {
+        aMergeEntity = aMergeObject->GetAltitudeObject();
+      }
+    }
+
+    switch( aMergeType )
+    {
+    case HYDROData_Zone::Merge_ZMIN:
+    case HYDROData_Zone::Merge_ZMAX:
+      aRegionZone->SetMergeType( aMergeType );
+      break;
+    case HYDROData_Zone::Merge_Object:
+      aRegionZone->SetMergeType( aMergeType );
+      aRegionZone->RemoveMergeObject();
+      aRegionZone->SetMergeObject( aMergeEntity );
+      break;
+    }
+  }
+
+  QStringList anObjectsWithEmptyRegions;
+  QMap<QString, Handle(HYDROData_Region)>::const_iterator
+    anIt = aRegionsMap.begin(), aLast = aRegionsMap.end();
+  for( ; anIt!=aLast; anIt++ )
+  {
+    Handle(HYDROData_Region) aRegion = anIt.value();
+    if( aRegion->GetZones().IsEmpty() )
+    {
+      QString aRegName = aRegion->GetName();
+      QString anObjName = aRegionNameToObjNameMap[aRegName];
+      anObjectsWithEmptyRegions.append( anObjName );
+    }
+  }
+  
+  if( !anObjectsWithEmptyRegions.empty() )
+  {
+    QString aData = anObjectsWithEmptyRegions.join( ", " );
+    SetWarning( WARN_EMPTY_REGIONS, aData );
+  }
+}
 
-      aRegionZone->AddGeometryObject( aRefObject );
+void HYDROData_CalculationCase::CreateEdgeGroupsDef( const Handle(HYDROData_Document)& theDoc,
+                                                     const HYDROData_SplitToZonesTool::SplitDataList& theEdges )
+{
+  QMap<QString,Handle(HYDROData_SplittedShapesGroup)> aSplittedEdgesGroupsMap;
+
+  HYDROData_SplitToZonesTool::SplitDataListIterator anIter( theEdges );
+  while( anIter.hasNext() )
+  {
+    const HYDROData_SplitToZonesTool::SplitData& aSplitData = anIter.next();
+    // Create new edges group
+    if ( aSplitData.ObjectNames.isEmpty() || aSplitData.Shape.IsNull() )
+      continue;
+
+    QString anObjName = aSplitData.ObjectNames.first();
+    if ( anObjName.isEmpty() )
+      continue;
+#ifdef DEB_CALCULATION
+    QString aStr = aSplitData.ObjectNames.join(" "); 
+	  cout << " CCase: Names = "<<aStr.toStdString() << " size = " <<aSplitData.ObjectNames.size() <<endl; 
+#endif
+    Handle(HYDROData_SplittedShapesGroup) aSplittedGroup;
+    if ( !aSplittedEdgesGroupsMap.contains( anObjName ) )
+    {
+      aSplittedGroup = addNewSplittedGroup( CALCULATION_GROUPS_PREF + anObjName );
+      aSplittedEdgesGroupsMap.insert( anObjName, aSplittedGroup );
+    }
+    else
+    {
+      aSplittedGroup = aSplittedEdgesGroupsMap[ anObjName ];
     }
+    if ( aSplittedGroup.IsNull() )
+      continue;
+
+    aSplittedGroup->AddShape( aSplitData.Shape );
   }
 }
 
@@ -213,7 +492,7 @@ bool HYDROData_CalculationCase::AddGeometryObject( const Handle(HYDROData_Object
 
   AddReferenceObject( theObject, DataTag_GeometryObject );
   
-  // Indicate model of the need to update zones splitting
+  // Indicate model of the need to update splitting
   SetToUpdate( true );
 
   return true;
@@ -231,7 +510,7 @@ void HYDROData_CalculationCase::RemoveGeometryObject( const Handle(HYDROData_Obj
 
   RemoveReferenceObject( theObject->Label(), DataTag_GeometryObject );
 
-  // Indicate model of the need to update zones splitting
+  // Indicate model of the need to update splitting
   SetToUpdate( true );
 }
 
@@ -239,7 +518,47 @@ void HYDROData_CalculationCase::RemoveGeometryObjects()
 {
   ClearReferenceObjects( DataTag_GeometryObject );
 
-  // Indicate model of the need to update zones splitting
+  // Indicate model of the need to update splitting
+  SetToUpdate( true );
+}
+
+bool HYDROData_CalculationCase::AddGeometryGroup( const Handle(HYDROData_ShapesGroup)& theGroup )
+{
+  if ( theGroup.IsNull() )
+    return false;
+
+  if ( HasReference( theGroup, DataTag_GeometryGroup ) )
+    return false; // Object is already in reference list
+
+  AddReferenceObject( theGroup, DataTag_GeometryGroup );
+  
+  // Indicate model of the need to update splitting
+  SetToUpdate( true );
+
+  return true;
+}
+
+HYDROData_SequenceOfObjects HYDROData_CalculationCase::GetGeometryGroups() const
+{
+  return GetReferenceObjects( DataTag_GeometryGroup );
+}
+
+void HYDROData_CalculationCase::RemoveGeometryGroup( const Handle(HYDROData_ShapesGroup)& theGroup )
+{
+  if ( theGroup.IsNull() )
+    return;
+
+  RemoveReferenceObject( theGroup->Label(), DataTag_GeometryGroup );
+
+  // Indicate model of the need to update splitting
+  SetToUpdate( true );
+}
+
+void HYDROData_CalculationCase::RemoveGeometryGroups()
+{
+  ClearReferenceObjects( DataTag_GeometryGroup );
+
+  // Indicate model of the need to update splitting
   SetToUpdate( true );
 }
 
@@ -269,33 +588,94 @@ void HYDROData_CalculationCase::RemoveBoundaryPolyline()
   SetToUpdate( !aPrevPolyline.IsNull() || IsMustBeUpdated() );
 }
 
-Handle(HYDROData_Region) HYDROData_CalculationCase::AddNewRegion( const Handle(HYDROData_Zone)& theZone )
+void HYDROData_CalculationCase::SetStricklerTable( const Handle(HYDROData_StricklerTable)& theStricklerTable )
 {
-  Handle(HYDROData_Region) aNewRegion = addNewRegion();
-  if ( aNewRegion.IsNull() )
-    return aNewRegion;
+  Handle(HYDROData_StricklerTable) aPrevStricklerTable = GetStricklerTable();
 
-  // Generate new name for new region
-  Handle(HYDROData_Document) aDocument = HYDROData_Document::Document( myLab );
-  if ( !aDocument.IsNull() )
-  {
-    QString aRegsPref = CALCULATION_REGIONS_PREF;
+  SetReferenceObject( theStricklerTable, DataTag_StricklerTable );
 
-    QString aNewRegionName = HYDROData_Tool::GenerateObjectName( aDocument, aRegsPref );
-    aNewRegion->SetName( aNewRegionName );
-  }
+  // Indicate model of the need to update land covers partition
+  SetToUpdate( !IsEqual( aPrevStricklerTable, theStricklerTable ) || IsMustBeUpdated() );
+}
+
+Handle(HYDROData_StricklerTable) HYDROData_CalculationCase::GetStricklerTable() const
+{
+  return Handle(HYDROData_StricklerTable)::DownCast( 
+           GetReferenceObject( DataTag_StricklerTable ) );
+}
+
+void HYDROData_CalculationCase::RemoveStricklerTable()
+{
+  Handle(HYDROData_StricklerTable) aPrevStricklerTable = GetStricklerTable();
+
+  ClearReferenceObjects( DataTag_StricklerTable );
+
+  // Indicate model of the need to update land covers partition
+  SetToUpdate( !aPrevStricklerTable.IsNull() || IsMustBeUpdated() );
+}
+
+bool HYDROData_CalculationCase::AddLandCover( const Handle(HYDROData_LandCover)& theLandCover )
+{
+  if ( HasReference( theLandCover, DataTag_LandCover ) )
+    return false; // Land cover is already in reference list
+
+  AddReferenceObject( theLandCover, DataTag_LandCover );
+  
+  // Indicate model of the need to update land covers partition
+  SetToUpdate( true );
+
+  return true;
+}
+
+HYDROData_SequenceOfObjects HYDROData_CalculationCase::GetLandCovers() const
+{
+  return GetReferenceObjects( DataTag_LandCover );
+}
+
+void HYDROData_CalculationCase::RemoveLandCover( const Handle(HYDROData_LandCover)& theLandCover )
+{
+  if ( theLandCover.IsNull() )
+    return;
+
+  RemoveReferenceObject( theLandCover->Label(), DataTag_LandCover );
+
+  // Indicate model of the need to update land cover partition
+  SetToUpdate( true );
+}
+
+void HYDROData_CalculationCase::RemoveLandCovers()
+{
+  ClearReferenceObjects( DataTag_LandCover );
+
+  // Indicate model of the need to update land cover partition
+  SetToUpdate( true );
+}
+
+Handle(HYDROData_Region) HYDROData_CalculationCase::AddNewRegion( const Handle(HYDROData_Zone)& theZone,
+                                                                  const bool theLandCover )
+{
+  Handle(HYDROData_Document) aDocument = HYDROData_Document::Document( myLab );
+  Handle(HYDROData_Region) aNewRegion = addNewRegion( aDocument, CALCULATION_REGIONS_PREF, theLandCover );
+  if ( aNewRegion.IsNull() )
+    return aNewRegion;
 
   aNewRegion->AddZone( theZone );
 
   return aNewRegion;
 }
 
-bool HYDROData_CalculationCase::AddRegion( const Handle(HYDROData_Region)& theRegion )
+bool HYDROData_CalculationCase::AddRegion( const Handle(HYDROData_Region)& theRegion,
+                                           const bool theLandCover )
 {
+  Handle(HYDROData_Document) aDocument = HYDROData_Document::Document( myLab );
+
   if ( theRegion.IsNull() )
     return false;
   
-  if ( HasReference( theRegion, DataTag_Region ) )
+  HYDROData_CalculationCase::DataTag aDataTag = 
+    theLandCover ? DataTag_LandCoverRegion : DataTag_Region;
+
+  if ( HasReference( theRegion, aDataTag ) )
     return false; // Object is already in reference list
 
   // Move the region from other calculation
@@ -303,24 +683,24 @@ bool HYDROData_CalculationCase::AddRegion( const Handle(HYDROData_Region)& theRe
     Handle(HYDROData_CalculationCase)::DownCast( theRegion->GetFatherObject() );
   if ( !aFatherCalc.IsNull() && aFatherCalc->Label() != myLab )
   {
-    Handle(HYDROData_Region) aNewRegion = addNewRegion();
+    Handle(HYDROData_Region) aNewRegion = addNewRegion( aDocument, CALCULATION_REGIONS_PREF, theLandCover );
     theRegion->CopyTo( aNewRegion );
 
-    aFatherCalc->RemoveRegion( theRegion );
+    aFatherCalc->RemoveRegion( theRegion, theLandCover );
 
     theRegion->SetLabel( aNewRegion->Label() );
   }
   else
   {
-    AddReferenceObject( theRegion, DataTag_Region );
+    AddReferenceObject( theRegion, aDataTag );
   }
 
   return true;
 }
 
-HYDROData_SequenceOfObjects HYDROData_CalculationCase::GetRegions() const
+HYDROData_SequenceOfObjects HYDROData_CalculationCase::GetRegions( const bool theLandCover ) const
 {
-  return GetReferenceObjects( DataTag_Region );
+  return GetReferenceObjects( theLandCover ? DataTag_LandCoverRegion : DataTag_Region );
 }
 
 void HYDROData_CalculationCase::UpdateRegionsOrder()
@@ -329,7 +709,9 @@ void HYDROData_CalculationCase::UpdateRegionsOrder()
   if ( aDocument.IsNull() )
     return;
 
-  HYDROData_SequenceOfObjects aRegions = GetRegions();
+  HYDROData_SequenceOfObjects aRegions = GetRegions( false );
+  HYDROData_SequenceOfObjects aRegionsLC = GetRegions( true );
+  aRegions.Append( aRegionsLC );
 
   HYDROData_SequenceOfObjects::Iterator anIter( aRegions );
   for ( ; anIter.More(); anIter.Next() )
@@ -357,12 +739,15 @@ void HYDROData_CalculationCase::UpdateRegionsOrder()
   }
 }
 
-void HYDROData_CalculationCase::RemoveRegion( const Handle(HYDROData_Region)& theRegion )
+void HYDROData_CalculationCase::RemoveRegion( const Handle(HYDROData_Region)& theRegion,
+                                              const bool theLandCover )
 {
   if ( theRegion.IsNull() )
     return;
 
-  RemoveReferenceObject( theRegion->Label(), DataTag_Region );
+  HYDROData_CalculationCase::DataTag aDataTag = 
+    theLandCover ? DataTag_LandCoverRegion : DataTag_Region;
+  RemoveReferenceObject( theRegion->Label(), aDataTag );
 
   // Remove region from data model
   Handle(HYDROData_CalculationCase) aFatherCalc = 
@@ -371,164 +756,52 @@ void HYDROData_CalculationCase::RemoveRegion( const Handle(HYDROData_Region)& th
     theRegion->Remove();
 }
 
-void HYDROData_CalculationCase::RemoveRegions()
+void HYDROData_CalculationCase::RemoveRegions( const bool theLandCover )
 {
-  ClearReferenceObjects( DataTag_Region );
-  myLab.FindChild( DataTag_ChildRegion ).ForgetAllAttributes( true );
+  myLab.FindChild( theLandCover ? DataTag_ChildLandCoverRegion : DataTag_ChildRegion ).ForgetAllAttributes();
 }
 
-Handle(HYDROData_Region) HYDROData_CalculationCase::addNewRegion()
+HYDROData_SequenceOfObjects HYDROData_CalculationCase::GetSplittedGroups() const
 {
-  TDF_Label aNewLab = myLab.FindChild( DataTag_ChildRegion ).NewChild();
-
-  Handle(HYDROData_Region) aNewRegion =
-    Handle(HYDROData_Region)::DownCast( HYDROData_Iterator::CreateObject( aNewLab, KIND_REGION ) );
-  AddRegion( aNewRegion );
-
-  return aNewRegion;
+  return GetReferenceObjects( DataTag_SplittedGroups );
 }
 
-TopoDS_Shell HYDROData_CalculationCase::GetShell()
+void HYDROData_CalculationCase::RemoveSplittedGroups()
 {
-  TopoDS_Shell aShell;
-
-  TopTools_ListOfShape aFacesList;
-
-  // Make shell containing all region shapes
-  BRepBuilderAPI_Sewing aSewing( Precision::Confusion()*10.0 );
-
-  HYDROData_SequenceOfObjects aCaseRegions = GetRegions();
-  HYDROData_SequenceOfObjects::Iterator aRegionIter( aCaseRegions );
-  for ( ; aRegionIter.More(); aRegionIter.Next() ) {
-    Handle(HYDROData_Region) aRegion =
-      Handle(HYDROData_Region)::DownCast( aRegionIter.Value() );
-    if( aRegion.IsNull() ) {
-      continue;
-    }
-
-    TopoDS_Shape aRegionShape = aRegion->GetShape();
-    if( !aRegionShape.IsNull() ) {
-      if ( aRegionShape.ShapeType() == TopAbs_FACE ) {
-        TopoDS_Face aFace = TopoDS::Face( aRegionShape );
-        if ( !aFace.IsNull() ) {
-          aFacesList.Append( aFace );
-          aSewing.Add( aFace );
-        }
-      } else {
-        TopExp_Explorer anExp( aRegionShape, TopAbs_FACE );
-        for ( ; anExp.More(); anExp.Next() ) {
-          TopoDS_Face aFace = TopoDS::Face( anExp.Current() );
-          if ( !aFace.IsNull() ) {
-            aFacesList.Append( aFace );
-            aSewing.Add( aFace );
-          }
-        }
-      }
-    }
-  } // regions iterator
-  
-  aSewing.Perform();
-  TopoDS_Shape aSewedShape = aSewing.SewedShape();
-
-  if ( !aSewedShape.IsNull() )
-  {
-    if ( aSewedShape.ShapeType() == TopAbs_FACE && aCaseRegions.Length() ==1 ) {
-      // create shell from one face
-      BRep_Builder aBuilder;
-      aBuilder.MakeShell( aShell );
-      aBuilder.Add( aShell, aSewedShape);
-    } else {
-      TopExp_Explorer anExpShells( aSewedShape, TopAbs_SHELL );
-      Standard_Integer aNbOfShells = 0;
-      for ( ; anExpShells.More(); anExpShells.Next() ) {
-        aShell = TopoDS::Shell( anExpShells.Current() );
-        aNbOfShells++;
-      }
-
-      if ( aNbOfShells != 1 ) {
-        aShell.Nullify();
-        BRep_Builder aBuilder;
-        aBuilder.MakeShell( aShell );
-
-        TopExp_Explorer anExpFaces( aSewedShape, TopAbs_FACE );
-        for ( ; anExpFaces.More(); anExpFaces.Next() ) {
-          TopoDS_Face aFace = TopoDS::Face( anExpFaces.Current() );
-          if ( !aFace.IsNull() ) {
-            aBuilder.Add( aShell, aFace );
-          }
-        }
-      }
-    }
-  }
-
-  if ( !aShell.IsNull() ) {
-    TopTools_IndexedMapOfShape aMapOfFaces;
-    TopExp::MapShapes( aShell, TopAbs_FACE, aMapOfFaces );
-    if ( aMapOfFaces.Extent() != aFacesList.Extent() ) {
-      aShell.Nullify();
-      BRep_Builder aBuilder;
-      aBuilder.MakeShell( aShell );
-
-      TopTools_ListIteratorOfListOfShape anIter( aFacesList );
-      for ( ; anIter.More(); anIter.Next() ) {
-        TopoDS_Face aFace = TopoDS::Face( anIter.Value() );
-        aBuilder.Add( aShell, aFace );
-      }
-    }
-  }
-
-/* TODO: old version
-  // Make shell
-  BRep_Builder aBuilder;
-  aBuilder.MakeShell( aShell );
-
-  // Make shell containing all region shapes
-  HYDROData_SequenceOfObjects aCaseRegions = GetRegions();
-  HYDROData_SequenceOfObjects::Iterator aRegionIter( aCaseRegions );
-  for ( ; aRegionIter.More(); aRegionIter.Next() ) {
-    Handle(HYDROData_Region) aRegion =
-      Handle(HYDROData_Region)::DownCast( aRegionIter.Value() );
-    if( aRegion.IsNull() ) {
-      continue;
-    }
+  myLab.FindChild( DataTag_SplittedGroups ).ForgetAllAttributes();
+}
 
-    TopoDS_Shape aRegionShape = aRegion->GetShape();
+double HYDROData_CalculationCase::GetAltitudeForPoint( const gp_XY& thePoint ) const
+{
+  Handle(HYDROData_Zone) aZone = GetZoneFromPoint( thePoint, false );
+  return GetAltitudeForPoint( thePoint, aZone );
+}
 
-    // Add shape (face or shell) corresponding to the region into the shell
-    if( !aRegionShape.IsNull() ) {
-      if ( aRegionShape.ShapeType() == TopAbs_FACE ) {
-        aBuilder.Add( aShell, aRegionShape );
-      } else {
-        TopExp_Explorer anExp( aRegionShape, TopAbs_FACE );
-        for( ; anExp.More(); anExp.Next() ) {
-          TopoDS_Face aFace = TopoDS::Face( anExp.Current() );
-          if( !aFace.IsNull() ) {
-            aBuilder.Add( aShell, aFace );
-          }
-        }
-      }
-    }
-  } // regions iterator
-*/
+double HYDROData_CalculationCase::GetAltitudeForPoint( const gp_XY&                    thePoint,
+                                                       const Handle(HYDROData_Region)& theRegion ) const
+{
+  double aResAltitude = HYDROData_IAltitudeObject::GetInvalidAltitude();
 
-  // Nullify shell if it is empty
-  if ( !aShell.IsNull() && !TopoDS_Iterator(aShell).More() ) {
-    aShell.Nullify();
+  Handle(HYDROData_Zone) aZone = GetZoneFromPoint( thePoint, false );
+  if ( !aZone.IsNull() )
+  {
+    Handle(HYDROData_Region) aRefRegion = Handle(HYDROData_Region)::DownCast( aZone->GetFatherObject() );
+    if ( IsEqual( aRefRegion, theRegion ) )
+      aResAltitude = GetAltitudeForPoint( thePoint, aZone );
   }
 
-  return aShell;
+  return aResAltitude;
 }
 
-double HYDROData_CalculationCase::GetAltitudeForPoint( const gp_XY& thePoint ) const
+double HYDROData_CalculationCase::GetAltitudeForPoint( const gp_XY&                  thePoint,
+                                                       const Handle(HYDROData_Zone)& theZone ) const
 {
-  double aResAltitude = HYDROData_Bathymetry::GetInvalidAltitude();
-
-  Handle(HYDROData_Zone) aZone = GetZoneFromPoint( thePoint );
-  if ( aZone.IsNull() )
+  double aResAltitude = HYDROData_IAltitudeObject::GetInvalidAltitude();
+  if ( theZone.IsNull() )
     return aResAltitude;
 
-  HYDROData_Zone::MergeBathymetriesType aZoneMergeType = aZone->GetMergeType();
-  if ( !aZone->IsMergingNeed() )
+  HYDROData_Zone::MergeType aZoneMergeType = theZone->GetMergeType();
+  if ( !theZone->IsMergingNeed() )
   {
     aZoneMergeType = HYDROData_Zone::Merge_UNKNOWN;
   }
@@ -537,15 +810,25 @@ double HYDROData_CalculationCase::GetAltitudeForPoint( const gp_XY& thePoint ) c
     return aResAltitude;
   }
 
+  HYDROData_IInterpolator* aZoneInterpolator = theZone->GetInterpolator();
   if ( aZoneMergeType == HYDROData_Zone::Merge_Object )
   {
-    Handle(HYDROData_Bathymetry) aMergeBathymetry = aZone->GetMergeBathymetry();
-    if ( !aMergeBathymetry.IsNull() )
-      aResAltitude = aMergeBathymetry->GetAltitudeForPoint( thePoint );
+    Handle(HYDROData_IAltitudeObject) aMergeAltitude = 
+      Handle(HYDROData_IAltitudeObject)::DownCast( theZone->GetMergeObject() );
+    if ( !aMergeAltitude.IsNull() )
+    {
+      if ( aZoneInterpolator != NULL )
+      {
+        aZoneInterpolator->SetAltitudeObject( aMergeAltitude );
+        aResAltitude = aZoneInterpolator->GetAltitudeForPoint( thePoint );
+      }
+      else
+        aResAltitude = aMergeAltitude->GetAltitudeForPoint( thePoint );
+    }
   }
   else
   {
-    HYDROData_SequenceOfObjects aZoneObjects = aZone->GetGeometryObjects();
+    HYDROData_SequenceOfObjects aZoneObjects = theZone->GetObjects();
     HYDROData_SequenceOfObjects::Iterator anIter( aZoneObjects );
     for ( ; anIter.More(); anIter.Next() )
     {
@@ -554,12 +837,20 @@ double HYDROData_CalculationCase::GetAltitudeForPoint( const gp_XY& thePoint ) c
       if ( aZoneObj.IsNull() )
         continue;
 
-      Handle(HYDROData_Bathymetry) anObjBathymetry = aZoneObj->GetBathymetry();
-      if ( anObjBathymetry.IsNull() )
+      Handle(HYDROData_IAltitudeObject) anObjAltitude = aZoneObj->GetAltitudeObject();
+      if ( anObjAltitude.IsNull() )
         continue;
 
-      double aPointAltitude = anObjBathymetry->GetAltitudeForPoint( thePoint );
-      if ( ValuesEquals( aPointAltitude, HYDROData_Bathymetry::GetInvalidAltitude() ) )
+      double aPointAltitude = 0.0;
+      if ( aZoneInterpolator != NULL )
+      {
+        aZoneInterpolator->SetAltitudeObject( anObjAltitude );
+        aPointAltitude = aZoneInterpolator->GetAltitudeForPoint( thePoint );
+      }
+      else
+        aPointAltitude = anObjAltitude->GetAltitudeForPoint( thePoint );
+
+      if ( ValuesEquals( aPointAltitude, HYDROData_IAltitudeObject::GetInvalidAltitude() ) )
         continue;
 
       if ( aZoneMergeType == HYDROData_Zone::Merge_UNKNOWN )
@@ -569,7 +860,7 @@ double HYDROData_CalculationCase::GetAltitudeForPoint( const gp_XY& thePoint ) c
       }
       else if ( aZoneMergeType == HYDROData_Zone::Merge_ZMIN )
       {
-        if ( ValuesEquals( aResAltitude, HYDROData_Bathymetry::GetInvalidAltitude() ) ||
+        if ( ValuesEquals( aResAltitude, HYDROData_IAltitudeObject::GetInvalidAltitude() ) ||
              aResAltitude > aPointAltitude )
         {
           aResAltitude = aPointAltitude;
@@ -577,7 +868,7 @@ double HYDROData_CalculationCase::GetAltitudeForPoint( const gp_XY& thePoint ) c
       }
       else if ( aZoneMergeType == HYDROData_Zone::Merge_ZMAX )
       {
-        if ( ValuesEquals( aResAltitude, HYDROData_Bathymetry::GetInvalidAltitude() ) ||
+        if ( ValuesEquals( aResAltitude, HYDROData_IAltitudeObject::GetInvalidAltitude() ) ||
              aResAltitude < aPointAltitude )
         {
           aResAltitude = aPointAltitude;
@@ -589,11 +880,90 @@ double HYDROData_CalculationCase::GetAltitudeForPoint( const gp_XY& thePoint ) c
   return aResAltitude;
 }
 
-Handle(HYDROData_Zone) HYDROData_CalculationCase::GetZoneFromPoint( const gp_XY& thePoint ) const
+NCollection_Sequence<double> HYDROData_CalculationCase::GetAltitudesForPoints( 
+  const NCollection_Sequence<gp_XY>& thePoints,
+  const Handle(HYDROData_Region)&    theRegion ) const
+{
+  NCollection_Sequence<double> aResSeq;
+
+  for ( int i = 1, n = thePoints.Length(); i <= n; ++i )
+  {
+    const gp_XY& thePnt = thePoints.Value( i );
+    
+    double anAltitude = GetAltitudeForPoint( thePnt, theRegion );
+    aResSeq.Append( anAltitude );
+  }
+
+  return aResSeq;
+}
+
+NCollection_Sequence<double> HYDROData_CalculationCase::GetAltitudesForPoints( 
+  const NCollection_Sequence<gp_XY>& thePoints,
+  const Handle(HYDROData_Zone)&      theZone ) const
+{
+  NCollection_Sequence<double> aResSeq;
+
+  for ( int i = 1, n = thePoints.Length(); i <= n; ++i )
+  {
+    const gp_XY& thePnt = thePoints.Value( i );
+    
+    double anAltitude = GetAltitudeForPoint( thePnt, theZone );
+    aResSeq.Append( anAltitude );
+  }
+
+  return aResSeq;
+}
+
+double HYDROData_CalculationCase::GetStricklerCoefficientForPoint( const gp_XY& thePoint ) const
+{
+    double aCoeff = 0;
+    Handle(HYDROData_Document) aDocument = HYDROData_Document::Document( myLab );
+    if ( !aDocument.IsNull() )
+        aCoeff = aDocument->GetDefaultStricklerCoefficient();
+
+    Handle(HYDROData_LandCover) aLandCover;
+    Handle(HYDROData_Zone) aZone = GetZoneFromPoint( thePoint, Standard_True );
+    if ( !aZone.IsNull() )
+    {
+        HYDROData_SequenceOfObjects anObjList = aZone->GetObjects();
+        if ( anObjList.Length() == 1 )
+            aLandCover = Handle(HYDROData_LandCover)::DownCast( anObjList.First() );
+        else
+            aLandCover = Handle(HYDROData_LandCover)::DownCast( aZone->GetMergeObject() );
+    }
+
+    if ( !aLandCover.IsNull() )
+    {
+        QString aType = aLandCover->GetStricklerType();
+        Handle(HYDROData_StricklerTable) aTable = GetStricklerTable();
+        if ( !aTable.IsNull() )
+        {
+            if ( aTable->GetTypes().contains( aType ) )
+                aCoeff = aTable->Get( aType, aCoeff );
+        }
+    }
+
+    return aCoeff;
+}
+
+Handle(HYDROData_Region) HYDROData_CalculationCase::GetRegionFromPoint( const gp_XY& thePoint,
+                                                                        const bool theLandCover ) const
+{
+  Handle(HYDROData_Region) aResRegion;
+
+  Handle(HYDROData_Zone) aZone = GetZoneFromPoint( thePoint, theLandCover );
+  if ( !aZone.IsNull() )
+    aResRegion = Handle(HYDROData_Region)::DownCast( aZone->GetFatherObject() );
+
+  return aResRegion;
+}
+
+Handle(HYDROData_Zone) HYDROData_CalculationCase::GetZoneFromPoint( const gp_XY& thePoint,
+                                                                    const bool theLandCover ) const
 {
   Handle(HYDROData_Zone) aResZone;
 
-  HYDROData_SequenceOfObjects aRegions = GetRegions();
+  HYDROData_SequenceOfObjects aRegions = GetRegions( theLandCover );
 
   HYDROData_SequenceOfObjects::Iterator anIter( aRegions );
   for ( ; anIter.More() && aResZone.IsNull(); anIter.Next() )
@@ -632,11 +1002,437 @@ HYDROData_CalculationCase::PointClassification HYDROData_CalculationCase::GetPoi
   TopoDS_Face aZoneFace = TopoDS::Face( theZone->GetShape() );
   if ( aZoneFace.IsNull() )
     return aRes;
+#ifdef DEB_CLASS2D      
+	  TopoDS_Compound aCmp;
+      BRep_Builder aBB;
+      aBB.MakeCompound(aCmp);
+	  aBB.Add(aCmp, aZoneFace);
+	  gp_Pnt aPnt (thePoint.X(), thePoint.Y(), 0.);
+	  BRepBuilderAPI_MakeVertex aMk(aPnt);
+	  aBB.Add(aCmp, aMk.Vertex());
+	  BRepTools::Write(aCmp, "FCL2d.brep");
+#endif  
+  TopAbs_State State = HYDROData_Tool::ComputePointState(thePoint, aZoneFace);
+  if (State == TopAbs_OUT)
+    aRes =  POINT_OUT;
+  else if(State == TopAbs_IN)
+    aRes =  POINT_IN;
+  else if(State == TopAbs_ON)
+    aRes =  POINT_ON;
+  return aRes;
+}
+
+Handle(HYDROData_Region) HYDROData_CalculationCase::addNewRegion( const Handle(HYDROData_Document)& theDoc,
+                                                                  const QString& thePrefixOrName,
+                                                                  const bool theLandCover,
+                                                                  bool isPrefix )
+{
+  TDF_Label aNewLab = myLab.FindChild( theLandCover ? DataTag_ChildLandCoverRegion : DataTag_ChildRegion ).NewChild();
+  int aTag = aNewLab.Tag();
+
+  Handle(HYDROData_Region) aNewRegion =
+    Handle(HYDROData_Region)::DownCast( HYDROData_Iterator::CreateObject( aNewLab, KIND_REGION ) );
+  AddRegion( aNewRegion, theLandCover );
+
+  QString aRegionName = isPrefix ? HYDROData_Tool::GenerateObjectName( theDoc, thePrefixOrName ) : thePrefixOrName;
+  aNewRegion->SetName( aRegionName );
+
+  return aNewRegion;
+}
+
+Handle(HYDROData_SplittedShapesGroup) HYDROData_CalculationCase::addNewSplittedGroup( const QString& theName )
+{
+  TDF_Label aNewLab = myLab.FindChild( DataTag_SplittedGroups ).NewChild();
+
+  Handle(HYDROData_SplittedShapesGroup) aNewGroup =
+    Handle(HYDROData_SplittedShapesGroup)::DownCast( 
+      HYDROData_Iterator::CreateObject( aNewLab, KIND_SPLITTED_GROUP ) );
+  AddReferenceObject( aNewGroup, DataTag_SplittedGroups );
+
+  aNewGroup->SetName( theName );
+
+  return aNewGroup;
+}
+
+QString HYDROData_CalculationCase::Export( int theStudyId ) const
+{
+  GEOM::GEOM_Gen_var aGEOMEngine = HYDROData_GeomTool::GetGeomGen();
+  SALOMEDS::Study_var aDSStudy = HYDROData_GeomTool::GetStudyByID( theStudyId );
+  
+  QString aGeomObjEntry, anErrorMsg;
+  bool isOK = Export( aGEOMEngine, aDSStudy, aGeomObjEntry, anErrorMsg );
+  return isOK ? aGeomObjEntry : QString();
+}
+
+bool HYDROData_CalculationCase::Export( GEOM::GEOM_Gen_var  theGeomEngine,
+                                        SALOMEDS::Study_ptr theStudy,
+                                        QString& theGeomObjEntry,
+                                        QString& theErrorMsg ) const
+{
+  HYDROData_ShapesGroup::SeqOfGroupsDefs aSeqOfGroupsDefs;
+
+  // Get groups definitions
+  HYDROData_SequenceOfObjects aSplittedGroups = GetSplittedGroups();
+
+  HYDROData_SequenceOfObjects::Iterator anIter( aSplittedGroups );
+  for ( ; anIter.More(); anIter.Next() )
+  {
+    // Get shapes group
+    Handle(HYDROData_ShapesGroup) aGroup =
+      Handle(HYDROData_ShapesGroup)::DownCast( anIter.Value() );
+    if ( aGroup.IsNull() )
+      continue;
+
+    HYDROData_ShapesGroup::GroupDefinition aGroupDef;
 
-  // TODO: classify the point position relative to zone
-  // POINT_OUT - point is out of zone face
-  // POINT_IN  - point is inside of zone face
-  // POINT_ON  - point is on the edge of zone face
+    aGroupDef.Name = aGroup->GetName().toLatin1().constData();
+    aGroup->GetShapes( aGroupDef.Shapes );
+
+    aSeqOfGroupsDefs.Append( aGroupDef );
+  }
+  
+  // Get faces
+  bool isAllNotSubmersible = true;
+  TopTools_ListOfShape aFaces;
+  HYDROData_SequenceOfObjects aCaseRegions = GetRegions( false );
+  HYDROData_SequenceOfObjects::Iterator aRegionIter( aCaseRegions );
+  for ( ; aRegionIter.More(); aRegionIter.Next() )
+  {
+    Handle(HYDROData_Region) aRegion =
+      Handle(HYDROData_Region)::DownCast( aRegionIter.Value() );
+    if( aRegion.IsNull() || !aRegion->IsSubmersible() )
+      continue;
+    
+    if ( isAllNotSubmersible )
+      isAllNotSubmersible = false;
+
+    TopoDS_Shape aRegionShape = aRegion->GetShape( &aSeqOfGroupsDefs );
+    aFaces.Append( aRegionShape );
+  }
+
+  bool aRes = false;
+
+  if ( aCaseRegions.IsEmpty() ) {
+    theErrorMsg = QString("the list of regions is empty.");
+  } else if ( isAllNotSubmersible ) {
+    theErrorMsg = QString("there are no submersible regions.");
+  } else {
+    aRes = Export( theGeomEngine, theStudy, aFaces, aSeqOfGroupsDefs, theGeomObjEntry );;
+  }
 
   return aRes;
 }
+
+bool HYDROData_CalculationCase::Export( GEOM::GEOM_Gen_var                            theGeomEngine,
+                                        SALOMEDS::Study_ptr                           theStudy,
+                                        const TopTools_ListOfShape&                   theFaces,
+                                        const HYDROData_ShapesGroup::SeqOfGroupsDefs& theGroupsDefs,
+                                        QString& theGeomObjEntry ) const
+{
+  // Sew faces
+  BRepBuilderAPI_Sewing aSewing( Precision::Confusion() * 10.0 );
+  aSewing.SetNonManifoldMode( Standard_False );
+#ifdef DEB_CALCULATION
+  TCollection_AsciiString aNam("Sh_");
+  int i=1;
+#endif
+  TopTools_ListIteratorOfListOfShape aFaceIter( theFaces );
+  for ( ; aFaceIter.More(); aFaceIter.Next() )
+  {
+    TopoDS_Shape aShape = aFaceIter.Value();
+    if ( aShape.IsNull() )
+      continue;
+
+    if ( aShape.ShapeType() == TopAbs_FACE )
+    {
+      aSewing.Add( aShape );
+#ifdef DEB_CALCULATION
+      TCollection_AsciiString aName = aNam + ++i + ".brep";
+      BRepTools::Write(aShape ,aName.ToCString());
+#endif
+    }
+    else
+    {
+#ifdef DEB_CALCULATION
+      int j = 1;
+#endif
+      TopExp_Explorer anExp( aShape, TopAbs_FACE );
+      for (; anExp.More(); anExp.Next() ) {
+        aSewing.Add( anExp.Current() );
+#ifdef DEB_CALCULATION
+
+        TCollection_AsciiString aName = aNam + i + "_" + ++j + ".brep";
+        BRepTools::Write(anExp.Current() ,aName.ToCString());
+#endif
+      }
+    }
+  } // faces iterator
+  
+  aSewing.Perform();
+  TopoDS_Shape aSewedShape = aSewing.SewedShape();
+
+  // If the sewed shape is empty - return false
+  if ( aSewedShape.IsNull() || !TopoDS_Iterator( aSewedShape ).More() )
+    return false;
+
+#ifdef DEB_CALCULATION
+  BRepTools::Write(aSewedShape ,"Sew.brep");
+#endif
+  // Publish the sewed shape
+  QString aName = EXPORT_NAME;
+  GEOM::GEOM_Object_ptr aMainShape = 
+    HYDROData_GeomTool::publishShapeInGEOM( theGeomEngine, theStudy, aSewedShape, aName, theGeomObjEntry );
+
+  if ( aMainShape->_is_nil() )  
+    return false;
+
+  if ( theGroupsDefs.IsEmpty() )
+    return true;
+
+  // Create groups
+  TopTools_IndexedMapOfShape aMapOfSubShapes;
+  TopExp::MapShapes( aSewedShape, aMapOfSubShapes );
+
+  NCollection_DataMap< TCollection_AsciiString, NCollection_Sequence<int> > aGroupsData;
+
+  for ( int aGrId = 1, nbGroups = theGroupsDefs.Length(); aGrId <= nbGroups; ++aGrId )
+  {
+    const HYDROData_ShapesGroup::GroupDefinition& aGroupDef = theGroupsDefs.Value( aGrId );
+
+    NCollection_Sequence<int> aGroupIndexes;
+    for( int i = 1, n = aGroupDef.Shapes.Length(); i <= n; i++ )
+    {
+      const TopoDS_Shape& aShape = aGroupDef.Shapes.Value( i );
+#ifdef DEB_CALCULATION
+      cout << "\nOld shape(" << i << ") = " << aShape.TShape() <<endl;
+#endif
+      
+      TopoDS_Shape aModifiedShape = aShape;
+      if ( aSewing.IsModified( aShape ) )
+        aModifiedShape = aSewing.Modified( aShape );
+      else if ( aSewing.IsModifiedSubShape( aShape ) )
+        aModifiedShape = aSewing.ModifiedSubShape( aShape );
+
+#ifdef DEB_CALCULATION
+      const TopLoc_Location& aL1 = aShape.Location();
+      const TopLoc_Location& aL2 = aModifiedShape.Location();
+      cout << "\nNew shape(" << i << ") = " << aModifiedShape.TShape() << " Location is Equal = " << aL1.IsEqual(aL2)<<endl;
+#endif
+
+      int anIndex = aMapOfSubShapes.FindIndex(aModifiedShape);
+      if ( anIndex > 0 ) {
+        aGroupIndexes.Append( anIndex );
+      } else {
+#ifdef DEB_CALCULATION    
+        TCollection_AsciiString aNam("Lost_");
+        if(!aMapOfSubShapes.Contains(aModifiedShape)) {
+        for ( int anIndex = 1; anIndex <= aMapOfSubShapes.Extent(); anIndex++ )
+        {
+           const TopoDS_Shape& aS = aMapOfSubShapes.FindKey( anIndex );
+           if ( aModifiedShape.IsPartner( aS ) )
+           {
+             cout <<"\nIndex in Map = " << anIndex << "TShape = " << aS.TShape() <<endl;
+             TCollection_AsciiString aName = aNam + i + "_" + anIndex + ".brep";
+             BRepTools::Write(aS ,aName.ToCString());
+            break;
+           }
+         }
+        }
+#endif
+      }
+    }
+    if ( !aGroupIndexes.IsEmpty() )
+      aGroupsData.Bind( aGroupDef.Name, aGroupIndexes );
+  }
+ 
+  if ( !aGroupsData.IsEmpty() )
+  {
+    GEOM::GEOM_IGroupOperations_var aGroupOp = 
+      theGeomEngine->GetIGroupOperations( theStudy->StudyId() );  
+
+    NCollection_DataMap< TCollection_AsciiString, NCollection_Sequence<int> >::Iterator aMapIt( aGroupsData );
+    for ( ; aMapIt.More(); aMapIt.Next() )
+    {
+      const TCollection_AsciiString& aGroupName = aMapIt.Key(); 
+      const NCollection_Sequence<int>& aGroupIndexes = aMapIt.Value();
+
+      GEOM::GEOM_Object_var aGeomGroup = aGroupOp->CreateGroup( aMainShape, TopAbs_EDGE );
+      if ( CORBA::is_nil( aGeomGroup ) || !aGroupOp->IsDone() )
+        continue;
+
+      GEOM::ListOfLong_var aGeomIndexes = new GEOM::ListOfLong;
+      aGeomIndexes->length( aGroupIndexes.Length() );
+
+      for( int i = 1, n = aGroupIndexes.Length(); i <= n; i++ )
+        aGeomIndexes[ i - 1 ] = aGroupIndexes.Value( i );
+
+      aGroupOp->UnionIDs( aGeomGroup, aGeomIndexes );
+      if ( aGroupOp->IsDone() )
+      {
+        SALOMEDS::SObject_var aGroupSO = 
+          theGeomEngine->AddInStudy( theStudy, aGeomGroup, aGroupName.ToCString(), aMainShape );
+      }
+    }
+  }
+
+  return true;
+}
+
+void HYDROData_CalculationCase::ClearRules( HYDROData_CalculationCase::DataTag theDataTag,
+                                            const bool theIsSetToUpdate )
+{
+  TDF_Label aRulesLab = myLab.FindChild( theDataTag );
+  HYDROData_PriorityQueue::ClearRules( aRulesLab );
+
+  // Indicate model of the need to update splitting
+  if ( theIsSetToUpdate ) {
+    SetToUpdate( true );
+  }
+}
+
+void HYDROData_CalculationCase::AddRule( const Handle(HYDROData_Entity)&    theObject1,
+                                         HYDROData_PriorityType             thePriority,
+                                         const Handle(HYDROData_Entity)&    theObject2,
+                                         HYDROData_Zone::MergeType          theMergeType,
+                                         HYDROData_CalculationCase::DataTag theDataTag )
+{
+  TDF_Label aRulesLab = myLab.FindChild( theDataTag );
+  HYDROData_PriorityQueue::AddRule( aRulesLab, theObject1, thePriority, theObject2, theMergeType );
+
+  // Indicate model of the need to update splitting
+  SetToUpdate( true );
+}
+
+QString HYDROData_CalculationCase::DumpRules() const
+{
+  TDF_Label aRulesLab = myLab.FindChild( DataTag_CustomRules );
+  return HYDROData_PriorityQueue::DumpRules( aRulesLab );
+}
+
+QString HYDROData_CalculationCase::DumpLandCoverRules() const
+{
+  TDF_Label aRulesLab = myLab.FindChild( DataTag_CustomLandCoverRules );
+  return HYDROData_PriorityQueue::DumpRules( aRulesLab );
+}
+
+void HYDROData_CalculationCase::SetAssignmentMode( AssignmentMode theMode )
+{
+  TDF_Label aModeLab = myLab.FindChild( DataTag_AssignmentMode );
+  TDataStd_Integer::Set( aModeLab, ( int ) theMode );
+
+  // Indicate model of the need to update splitting
+  SetToUpdate( true );
+}
+
+HYDROData_CalculationCase::AssignmentMode HYDROData_CalculationCase::GetAssignmentMode() const
+{
+  Handle(TDataStd_Integer) aModeAttr;
+  bool isOK = myLab.FindChild( DataTag_AssignmentMode ).FindAttribute( TDataStd_Integer::GetID(), aModeAttr );
+  if( isOK )
+    return ( AssignmentMode ) aModeAttr->Get();
+  else
+    return MANUAL;
+}
+
+void HYDROData_CalculationCase::DumpRulesToPython( const QString& theCalcCaseName,
+                                                   QStringList& theScript ) const
+{
+  TDF_Label aRulesLab = myLab.FindChild( DataTag_CustomRules );
+  HYDROData_PriorityQueue::DumpRulesToPython( aRulesLab, theCalcCaseName, theScript );
+}
+
+void HYDROData_CalculationCase::DumpLandCoverRulesToPython( const QString& theCalcCaseName,
+                                                            QStringList& theScript ) const
+{
+  TDF_Label aRulesLab = myLab.FindChild( DataTag_CustomLandCoverRules );
+  HYDROData_PriorityQueue::DumpRulesToPython( aRulesLab, theCalcCaseName, theScript );
+}
+
+HYDROData_Warning HYDROData_CalculationCase::GetLastWarning() const
+{
+  return myLastWarning;
+}
+
+void HYDROData_CalculationCase::SetWarning( HYDROData_WarningType theType, const QString& theData )
+{
+  myLastWarning.Type = theType;
+  myLastWarning.Data = theData;
+}
+
+void HYDROData_CalculationCase::UpdateRegionsNames( const HYDROData_SequenceOfObjects& theRegions,
+                                                    const QString& theOldCaseName,
+                                                    const QString& theName )
+{
+  HYDROData_SequenceOfObjects::Iterator anIter( theRegions );
+  for ( ; anIter.More(); anIter.Next() )
+  {
+    Handle(HYDROData_Region) aRegion =
+      Handle(HYDROData_Region)::DownCast( anIter.Value() );
+    if ( aRegion.IsNull() )
+      continue;
+
+    HYDROData_Tool::UpdateChildObjectName( theOldCaseName, theName, aRegion );
+
+    HYDROData_SequenceOfObjects aZones = aRegion->GetZones();
+    HYDROData_SequenceOfObjects::Iterator anIter( aZones );
+    for ( ; anIter.More(); anIter.Next() )
+    {
+      Handle(HYDROData_Zone) aRegZone =
+        Handle(HYDROData_Zone)::DownCast( anIter.Value() );
+      if ( aRegZone.IsNull() )
+        continue;
+
+      HYDROData_Tool::UpdateChildObjectName( theOldCaseName, theName, aRegZone );
+    }
+  }
+}
+
+void HYDROData_CalculationCase::DumpRegionsToPython( QStringList& theResList,
+                                                     MapOfTreatedObjects& theTreatedObjects,
+                                                     const HYDROData_SequenceOfObjects& theRegions ) const
+{
+  HYDROData_SequenceOfObjects::Iterator anIter;
+  anIter.Init( theRegions );
+  for ( ; anIter.More(); anIter.Next() )
+  {
+    Handle(HYDROData_Region) aRegion =
+      Handle(HYDROData_Region)::DownCast( anIter.Value() );
+    if ( aRegion.IsNull() )
+      continue;
+
+    theTreatedObjects.insert( aRegion->GetName(), aRegion );
+    QStringList aRegDump = aRegion->DumpToPython( theTreatedObjects );
+    theResList << aRegDump;
+  }
+}
+
+bool HYDROData_CalculationCase::GetRule( int theIndex, 
+                                         Handle(HYDROData_Entity)&           theObject1,
+                                         HYDROData_PriorityType&             thePriority,
+                                         Handle(HYDROData_Entity)&           theObject2,
+                                         HYDROData_Zone::MergeType&          theMergeType,
+                                         HYDROData_CalculationCase::DataTag& theDataTag) const
+{
+  TDF_Label aRulesLab = myLab.FindChild( theDataTag );
+  return HYDROData_PriorityQueue::GetRule( aRulesLab, theIndex,
+    theObject1, thePriority, theObject2, theMergeType );
+}
+
+void HYDROData_CalculationCase::SetAssignmentLandCoverMode( AssignmentMode theMode )
+{
+  TDF_Label aModeLab = myLab.FindChild( DataTag_AssignmentLandCoverMode );
+  TDataStd_Integer::Set( aModeLab, ( int ) theMode );
+
+  // Indicate model of the need to update land covers partition
+  SetToUpdate( true );
+}
+
+HYDROData_CalculationCase::AssignmentMode HYDROData_CalculationCase::GetAssignmentLandCoverMode() const
+{
+  Handle(TDataStd_Integer) aModeAttr;
+  bool isOK = myLab.FindChild( DataTag_AssignmentLandCoverMode ).FindAttribute( TDataStd_Integer::GetID(), aModeAttr );
+  if( isOK )
+    return ( AssignmentMode ) aModeAttr->Get();
+  else
+    return MANUAL;
+}