diff --git a/src/OBJECT/SMESH_SVTKActor.cxx b/src/OBJECT/SMESH_SVTKActor.cxx
index 103a46f1e..dd72914b0 100644
--- a/src/OBJECT/SMESH_SVTKActor.cxx
+++ b/src/OBJECT/SMESH_SVTKActor.cxx
@@ -108,7 +108,7 @@ SMESH_SVTKActor
 void
 SMESH_SVTKActor
 ::MapCells(SALOME_Actor* theMapActor,
-           const TColStd_IndexedMapOfInteger& theMapIndex)
+           const SVTK_TIndexedMapOfVtkId& theMapIndex)
 {
   myUnstructuredGrid->Initialize();
   myUnstructuredGrid->Allocate();
diff --git a/src/OBJECT/SMESH_SVTKActor.h b/src/OBJECT/SMESH_SVTKActor.h
index 77499fde5..570eb5261 100644
--- a/src/OBJECT/SMESH_SVTKActor.h
+++ b/src/OBJECT/SMESH_SVTKActor.h
@@ -61,7 +61,7 @@ public:
   //! Allow to recostruct selected cells from source SALOME_Actor and map of subindexes
   virtual void
   MapCells(SALOME_Actor* theMapActor,
-           const TColStd_IndexedMapOfInteger& theMapIndex);
+           const SVTK_TIndexedMapOfVtkId& theMapIndex);
 
 
   //! To remove the actor an all its internal devices
diff --git a/src/SMESHGUI/SMESHGUI_AddMeshElementDlg.cxx b/src/SMESHGUI/SMESHGUI_AddMeshElementDlg.cxx
index 127f31824..94f8fb565 100644
--- a/src/SMESHGUI/SMESHGUI_AddMeshElementDlg.cxx
+++ b/src/SMESHGUI/SMESHGUI_AddMeshElementDlg.cxx
@@ -784,7 +784,7 @@ void SMESHGUI_AddMeshElementDlg::onTextChange (const QString& theNewText)
     aMesh = myActor->GetObject()->GetMesh();
 
   if (aMesh) {
-    TColStd_MapOfInteger newIndices;
+    SVTK_TVtkIDsMap newIndices;
 
     QStringList aListId = theNewText.split(" ", QString::SkipEmptyParts);
     bool allOk = true;
diff --git a/src/SMESHGUI/SMESHGUI_AddQuadraticElementDlg.cxx b/src/SMESHGUI/SMESHGUI_AddQuadraticElementDlg.cxx
index 880316aa5..318731e4d 100644
--- a/src/SMESHGUI/SMESHGUI_AddQuadraticElementDlg.cxx
+++ b/src/SMESHGUI/SMESHGUI_AddQuadraticElementDlg.cxx
@@ -989,14 +989,14 @@ void SMESHGUI_AddQuadraticElementDlg::onTextChange (const QString& theNewText)
     myCurrentLineEdit = send;
 
   if (aMesh) {
-    TColStd_MapOfInteger newIndices;
+    SVTK_TVtkIDsMap newIndices;
 
     QStringList aListId = theNewText.split(" ", QString::SkipEmptyParts);
     bool allOk = true;
     for (int i = 0; i < aListId.count(); i++) {
       if ( const SMDS_MeshNode * n = aMesh->FindNode( aListId[ i ].toInt() ) )
       {
-        newIndices.Add( FromIdType<int>(n->GetID()) );
+        newIndices.Add( n->GetID() );
       }
       else
       {
diff --git a/src/SMESHGUI/SMESHGUI_CopyMeshDlg.cxx b/src/SMESHGUI/SMESHGUI_CopyMeshDlg.cxx
index 59c1aceec..50052045c 100644
--- a/src/SMESHGUI/SMESHGUI_CopyMeshDlg.cxx
+++ b/src/SMESHGUI/SMESHGUI_CopyMeshDlg.cxx
@@ -614,12 +614,12 @@ void SMESHGUI_CopyMeshDlg::onTextChange (const QString& theNewText)
   QStringList aListId = theNewText.split(" ", QString::SkipEmptyParts);
   if (myActor && aMesh)
   {
-    TColStd_MapOfInteger newIndices;
+    SVTK_TVtkIDsMap newIndices;
     if (send == myLineEditElements) {
       for (int i = 0; i < aListId.count(); i++)
         if ( const SMDS_MeshElement * e = aMesh->FindElement(aListId[ i ].toInt()))
         {
-          newIndices.Add(FromIdType<int>(e->GetID()));
+          newIndices.Add(e->GetID());
         }
     }
     myNbOkElements = newIndices.Extent();
diff --git a/src/SMESHGUI/SMESHGUI_CreatePolyhedralVolumeDlg.cxx b/src/SMESHGUI/SMESHGUI_CreatePolyhedralVolumeDlg.cxx
index 69326ecbd..435624e63 100644
--- a/src/SMESHGUI/SMESHGUI_CreatePolyhedralVolumeDlg.cxx
+++ b/src/SMESHGUI/SMESHGUI_CreatePolyhedralVolumeDlg.cxx
@@ -688,13 +688,13 @@ void SMESHGUI_CreatePolyhedralVolumeDlg::onTextChange(const QString& theNewText)
   if (GetConstructorId() == 0)
     {
       if ( aMesh ) {
-        TColStd_MapOfInteger newIndices;
+        SVTK_TVtkIDsMap newIndices;
       
         QStringList aListId = theNewText.split( " ", QString::SkipEmptyParts );
         for ( int i = 0; i < aListId.count(); i++ ) {
           const SMDS_MeshNode * n = aMesh->FindNode( aListId[ i ].toInt() );
           if ( n ) {
-            newIndices.Add(FromIdType<int>(n->GetID()));
+            newIndices.Add(n->GetID());
             myNbOkElements++;
           }
         }
@@ -720,14 +720,14 @@ void SMESHGUI_CreatePolyhedralVolumeDlg::onTextChange(const QString& theNewText)
         // check entered ids of faces and highlight them
         QStringList aListId;
         if ( aMesh ) {
-          TColStd_MapOfInteger newIndices;
+          SVTK_TVtkIDsMap newIndices;
       
           aListId = theNewText.split( " ", QString::SkipEmptyParts );
 
           for ( int i = 0; i < aListId.count(); i++ ) {
             const SMDS_MeshElement * e = aMesh->FindElement( aListId[ i ].toInt() );
             if ( e ) {
-              newIndices.Add(FromIdType<int>(e->GetID()));
+              newIndices.Add(e->GetID());
               myNbOkElements++;  
             }
           }
@@ -1147,7 +1147,7 @@ void SMESHGUI_CreatePolyhedralVolumeDlg::onListSelectionChanged()
 
   SALOME_ListIO aList;
   mySelectionMgr->setSelectedObjects( aList );
-  TColStd_MapOfInteger aIndexes;
+  SVTK_TVtkIDsMap aIndexes;
 
   QList<QListWidgetItem*> selItems = myFacesByNodes->selectedItems();
   QListWidgetItem* anItem;
diff --git a/src/SMESHGUI/SMESHGUI_ExtrusionAlongPathDlg.cxx b/src/SMESHGUI/SMESHGUI_ExtrusionAlongPathDlg.cxx
index 72bb84ef3..30c2e472c 100644
--- a/src/SMESHGUI/SMESHGUI_ExtrusionAlongPathDlg.cxx
+++ b/src/SMESHGUI/SMESHGUI_ExtrusionAlongPathDlg.cxx
@@ -688,8 +688,8 @@ void SMESHGUI_ExtrusionAlongPathDlg::onTextChange (const QString& theNewText)
         if (bOk) {
           const SMDS_MeshNode* n = aMesh->FindNode(ind);
           if (n) {
-            TColStd_MapOfInteger newIndices;
-            newIndices.Add(FromIdType<int>(n->GetID()));
+            SVTK_TVtkIDsMap newIndices;
+            newIndices.Add(n->GetID());
             mySelector->AddOrRemoveIndex( aPathActor->getIO(), newIndices, false );
             if ( SVTK_ViewWindow* aViewWindow = SMESH::GetViewWindow( mySMESHGUI ))
               aViewWindow->highlight( aPathActor->getIO(), true, true );
diff --git a/src/SMESHGUI/SMESHGUI_ExtrusionDlg.cxx b/src/SMESHGUI/SMESHGUI_ExtrusionDlg.cxx
index c720feb65..a65572de1 100644
--- a/src/SMESHGUI/SMESHGUI_ExtrusionDlg.cxx
+++ b/src/SMESHGUI/SMESHGUI_ExtrusionDlg.cxx
@@ -289,7 +289,7 @@ void SMESHGUI_3TypesSelector::selectionIntoArgument()
     }
     else // get indices of selected elements
     {
-      TColStd_IndexedMapOfInteger aMapIndex;
+      SVTK_TIndexedMapOfVtkId aMapIndex;
       mySelector->GetIndex(IO,aMapIndex);
       int nbElements = aMapIndex.Extent();
       if ( nbElements > 0 )
@@ -354,7 +354,7 @@ void SMESHGUI_3TypesSelector::onTextChange( const QString& theNewText )
 
       SMESH::smIdType_array_var ids = new SMESH::smIdType_array;
       ids->length( aListId.count() );
-      TColStd_MapOfInteger newIndices;
+      SVTK_TVtkIDsMap newIndices;
       for (int i = 0; i < aListId.count(); i++) {
         int id = aListId[ i ].toInt();
         bool validId = false;
@@ -1368,7 +1368,7 @@ void SMESHGUI_ExtrusionDlg::SelectionIntoArgument()
   if ( SelectVectorButton->isChecked() )
   {
     Handle(SALOME_InteractiveObject) IO = aList.First();
-    TColStd_IndexedMapOfInteger aMapIndex;
+    SVTK_TIndexedMapOfVtkId aMapIndex;
     mySelector->GetIndex(IO,aMapIndex);
     if ( aMapIndex.Extent() != 1 )
       return;
diff --git a/src/SMESHGUI/SMESHGUI_FilterDlg.cxx b/src/SMESHGUI/SMESHGUI_FilterDlg.cxx
index 4cc801419..79e415e44 100644
--- a/src/SMESHGUI/SMESHGUI_FilterDlg.cxx
+++ b/src/SMESHGUI/SMESHGUI_FilterDlg.cxx
@@ -3006,13 +3006,13 @@ void SMESHGUI_FilterDlg::reject()
     SALOME_ListIO aList;
     mySelectionMgr->clearFilters();
     mySelectionMgr->clearSelected();
-    SALOME_DataMapIteratorOfDataMapOfIOMapOfInteger anIter (myIObjects);
+    SALOME_DataMapIteratorOfIOMapOfVtk anIter (myIObjects);
     for ( ; anIter.More(); anIter.Next())
     {
       aList.Append(anIter.Key());
 
-      TColStd_MapOfInteger aResMap;
-      const TColStd_IndexedMapOfInteger& anIndMap = anIter.Value();
+      SVTK_TVtkIDsMap aResMap;
+      const SVTK_TIndexedMapOfVtkId& anIndMap = anIter.Value();
       for (int i = 1, n = anIndMap.Extent(); i <= n; i++)
         aResMap.Add(anIndMap(i));
 
@@ -3343,7 +3343,7 @@ void SMESHGUI_FilterDlg::SetSelection()
     const SALOME_ListIO& anObjs = mySelector->StoredIObjects(); 
     SALOME_ListIteratorOfListIO anIter (anObjs);
     for ( ; anIter.More(); anIter.Next()) {
-      TColStd_IndexedMapOfInteger aMap;
+      SVTK_TIndexedMapOfVtkId aMap;
       mySelector->GetIndex(anIter.Value(), aMap);
       myIObjects.Bind(anIter.Value(), aMap);
     }
@@ -3580,7 +3580,7 @@ void SMESHGUI_FilterDlg::filterSelectionSource (const int theType,
 
   // Create map of entities to be filtered
   TColStd_MapOfInteger aToBeFiltered;
-  SALOME_DataMapIteratorOfDataMapOfIOMapOfInteger anIter(myIObjects);
+  SALOME_DataMapIteratorOfIOMapOfVtk anIter(myIObjects);
 
   for ( ; anIter.More(); anIter.Next())
   {
@@ -3614,7 +3614,7 @@ void SMESHGUI_FilterDlg::filterSelectionSource (const int theType,
     SMESH::SMESH_Mesh_var aMeshPtr = SMESH::IObjectToInterface<SMESH::SMESH_Mesh>(anIter.Key());
     if (!aMeshPtr->_is_nil() && aMeshPtr->GetId() == myMesh->GetId())
     {
-      const TColStd_IndexedMapOfInteger& aSelMap = anIter.Value();
+      const SVTK_TIndexedMapOfVtkId& aSelMap = anIter.Value();
 
       if (aSelMap.Extent() > 0)
       {
@@ -3647,7 +3647,7 @@ SMESH_Actor* SMESHGUI_FilterDlg::getActor()
   if ( meshActor && meshActor->GetVisibility() )
     return meshActor;
 
-  SALOME_DataMapIteratorOfDataMapOfIOMapOfInteger anIter(myIObjects);
+  SALOME_DataMapIteratorOfIOMapOfVtk anIter(myIObjects);
   for ( ; anIter.More(); anIter.Next())
   {
     Handle(SALOME_InteractiveObject) io = anIter.Key();
@@ -3707,7 +3707,7 @@ void SMESHGUI_FilterDlg::selectInViewer (const int theType, const QList<int>& th
   SMESH::RemoveFilter(aFilterId);
 
   // get vtk ids
-  TColStd_MapOfInteger aMap;
+  SVTK_TVtkIDsMap aMap;
   QList<int>::const_iterator anIter;
   for (anIter = theIds.begin(); anIter != theIds.end(); ++anIter) {
     aMap.Add(*anIter);
diff --git a/src/SMESHGUI/SMESHGUI_FilterDlg.h b/src/SMESHGUI/SMESHGUI_FilterDlg.h
index 1240b7e72..dc0c475be 100644
--- a/src/SMESHGUI/SMESHGUI_FilterDlg.h
+++ b/src/SMESHGUI/SMESHGUI_FilterDlg.h
@@ -39,6 +39,7 @@
 // SALOME GUI includes
 #include <SALOME_DataMapOfIOMapOfInteger.hxx>
 #include <SVTK_Selection.h>
+#include <SVTK_Hash.h>
 
 // IDL includes
 #include <SALOMEconfig.h>
@@ -59,6 +60,9 @@ class SMESHGUI_FilterLibraryDlg;
 class SMESH_Actor;
 class SVTK_Selector;
 
+typedef NCollection_DataMap<Handle(SALOME_InteractiveObject), SVTK_TIndexedMapOfVtkId> SALOME_DataMapOfIOMapOfVtk;
+typedef SALOME_DataMapOfIOMapOfVtk::Iterator SALOME_DataMapIteratorOfIOMapOfVtk;
+
 /*!
  *  Class       : SMESHGUI_FilterTable
  *  Description : Frame containing 
@@ -308,7 +312,7 @@ private:
   bool                      myDiffSourcesEnabled;
   QWidget*                  mySourceWg;
 
-  SALOME_DataMapOfIOMapOfInteger myIObjects;
+  SALOME_DataMapOfIOMapOfVtk     myIObjects;
   bool                           myIsSelectionChanged;
   QMap< int, SMESH::Filter_var > myFilter;
   QMap< int, bool >              myInsertState;
diff --git a/src/SMESHGUI/SMESHGUI_FindElemByPointDlg.cxx b/src/SMESHGUI/SMESHGUI_FindElemByPointDlg.cxx
index 0ffd06502..91b913fdd 100644
--- a/src/SMESHGUI/SMESHGUI_FindElemByPointDlg.cxx
+++ b/src/SMESHGUI/SMESHGUI_FindElemByPointDlg.cxx
@@ -361,7 +361,7 @@ void SMESHGUI_FindElemByPointOp::onElemSelected()
 
     QList<QListWidgetItem *> ids = myDlg->myFoundList->selectedItems();
     QList<QListWidgetItem*>::iterator id = ids.begin();
-    TColStd_MapOfInteger idMap;
+    SVTK_TVtkIDsMap idMap;
     for ( ; id != ids.end(); ++id )
       idMap.Add( (*id)->text().toInt() );
 
diff --git a/src/SMESHGUI/SMESHGUI_GroupDlg.cxx b/src/SMESHGUI/SMESHGUI_GroupDlg.cxx
index 0132e8ea2..2dc454d81 100644
--- a/src/SMESHGUI/SMESHGUI_GroupDlg.cxx
+++ b/src/SMESHGUI/SMESHGUI_GroupDlg.cxx
@@ -1263,7 +1263,7 @@ void SMESHGUI_GroupDlg::onListSelectionChanged()
 
   if (myCurrentLineEdit == 0) {
     mySelectionMgr->clearSelected();
-    TColStd_MapOfInteger aIndexes;
+    SVTK_TVtkIDsMap aIndexes;
     QList<QListWidgetItem*> selItems = myElements->selectedItems();
     QListWidgetItem* anItem;
     foreach(anItem, selItems) aIndexes.Add(anItem->text().toInt());
diff --git a/src/SMESHGUI/SMESHGUI_IdPreview.cxx b/src/SMESHGUI/SMESHGUI_IdPreview.cxx
index baa1a7314..083f6ff2f 100644
--- a/src/SMESHGUI/SMESHGUI_IdPreview.cxx
+++ b/src/SMESHGUI/SMESHGUI_IdPreview.cxx
@@ -97,13 +97,13 @@ SMESHGUI_IdPreview::SMESHGUI_IdPreview(SVTK_ViewWindow* theViewWindow):
 }
 
 void SMESHGUI_IdPreview::SetPointsData ( SMDS_Mesh*                   theMesh,
-                                         const TColStd_MapOfInteger & theNodesIdMap )
+                                         const SVTK_TVtkIDsMap & theNodesIdMap )
 {
   vtkPoints* aPoints = vtkPoints::New();
   aPoints->SetNumberOfPoints(theNodesIdMap.Extent());
   myIDs.clear();
 
-  TColStd_MapIteratorOfMapOfInteger idIter( theNodesIdMap );
+  SVTK_TVtkIDsMapIterator idIter( theNodesIdMap );
   for( int i = 0; idIter.More(); idIter.Next(), i++ )
   {
     const SMDS_MeshNode* aNode = theMesh->FindNode(idIter.Key());
diff --git a/src/SMESHGUI/SMESHGUI_IdPreview.h b/src/SMESHGUI/SMESHGUI_IdPreview.h
index 6f1e14b44..e7c85e859 100644
--- a/src/SMESHGUI/SMESHGUI_IdPreview.h
+++ b/src/SMESHGUI/SMESHGUI_IdPreview.h
@@ -29,6 +29,7 @@
 #include <vector>
 
 #include <TColStd_MapOfInteger.hxx>
+#include <SVTK_Hash.h>
 
 #include <gp_XYZ.hxx>
 
@@ -52,7 +53,7 @@ public:
   SMESHGUI_IdPreview(SVTK_ViewWindow* theViewWindow);
   ~SMESHGUI_IdPreview();
 
-  void SetPointsData( SMDS_Mesh* theMesh, const TColStd_MapOfInteger & theNodesIdMap );
+  void SetPointsData( SMDS_Mesh* theMesh, const SVTK_TVtkIDsMap & theNodesIdMap );
   void SetElemsData ( const std::vector<int> &  theElemsIdMap,
                       const std::list<gp_XYZ> & theGrCentersXYZ );
   template< class INT_ITER, class XYZ_ITER >
diff --git a/src/SMESHGUI/SMESHGUI_MakeNodeAtPointDlg.cxx b/src/SMESHGUI/SMESHGUI_MakeNodeAtPointDlg.cxx
index e3cf69feb..6febe32b6 100644
--- a/src/SMESHGUI/SMESHGUI_MakeNodeAtPointDlg.cxx
+++ b/src/SMESHGUI/SMESHGUI_MakeNodeAtPointDlg.cxx
@@ -869,7 +869,7 @@ void SMESHGUI_MakeNodeAtPointOp::onTextChange( const QString& theText )
 
       if( const SMDS_MeshNode* aNode = aMesh->FindNode( theText.toInt() ) )
       {
-        TColStd_MapOfInteger aListInd;
+        SVTK_TVtkIDsMap aListInd;
         aListInd.Add( FromIdType<int>(aNode->GetID()) );
         selector()->AddOrRemoveIndex( anIO, aListInd, false );
         if( SVTK_ViewWindow* aViewWindow = SMESH::GetViewWindow( SMESHGUI::GetSMESHGUI() ) )
diff --git a/src/SMESHGUI/SMESHGUI_Measurements.cxx b/src/SMESHGUI/SMESHGUI_Measurements.cxx
index b1315f131..8d3e72146 100644
--- a/src/SMESHGUI/SMESHGUI_Measurements.cxx
+++ b/src/SMESHGUI/SMESHGUI_Measurements.cxx
@@ -492,7 +492,7 @@ void SMESHGUI_MinDistance::firstEdited()
   if ( myFirstActor && selector ) {
     Handle(SALOME_InteractiveObject) IO = myFirstActor->getIO();
     if ( myFirst->checkedId() == NodeTgt || myFirst->checkedId() == ElementTgt ) {
-      TColStd_MapOfInteger ID;
+      SVTK_TVtkIDsMap ID;
       ID.Add( myFirstTgt->text().toLong() );
       selector->AddOrRemoveIndex( IO, ID, false );
     }
@@ -520,7 +520,7 @@ void SMESHGUI_MinDistance::secondEdited()
     Handle(SALOME_InteractiveObject) IO = mySecondActor->getIO();
     if ( mySecond->checkedId() == NodeTgt || mySecond->checkedId() == ElementTgt ) {
       if ( !text.isEmpty() ) {
-        TColStd_MapOfInteger ID;
+        SVTK_TVtkIDsMap ID;
         ID.Add( text.toLong() );
         selector->AddOrRemoveIndex( IO, ID, false );
       }
@@ -1022,7 +1022,7 @@ void SMESHGUI_BoundingBox::sourceEdited()
   if ( myActor && selector ) {
     Handle(SALOME_InteractiveObject) IO = myActor->getIO();
     if ( mySourceMode->checkedId() == NodesSrc || mySourceMode->checkedId() == ElementsSrc ) {
-      TColStd_MapOfInteger ID;
+      SVTK_TVtkIDsMap ID;
       if ( !mySource->isReadOnly() )
         myIDs = mySource->text();
       QStringList ids = myIDs.split( " ", QString::SkipEmptyParts );
@@ -1420,7 +1420,7 @@ void SMESHGUI_Angle::selectionChanged()
   clear();
   QString nodesString;
 
-  TColStd_IndexedMapOfInteger idsMap;
+  SVTK_TIndexedMapOfVtkId idsMap;
   SALOME_ListIO selected;
   SMESHGUI::selectionMgr()->selectedObjects( selected );
   selected.Reverse(); // to keep order of selection
@@ -1528,7 +1528,7 @@ void SMESHGUI_Angle::nodesEdited()
 {
   clear();
 
-  TColStd_MapOfInteger ID;
+  SVTK_TVtkIDsMap ID;
   QStringList ids = myNodes->text().split( " ", QString::SkipEmptyParts );
   foreach ( QString idStr, ids )
   {
diff --git a/src/SMESHGUI/SMESHGUI_MergeDlg.cxx b/src/SMESHGUI/SMESHGUI_MergeDlg.cxx
index c6d075bcb..9ea3045d2 100644
--- a/src/SMESHGUI/SMESHGUI_MergeDlg.cxx
+++ b/src/SMESHGUI/SMESHGUI_MergeDlg.cxx
@@ -469,7 +469,7 @@ void SMESHGUI_MergeDlg::Init()
 // function : FindGravityCenter()
 // purpose  :
 //=================================================================================
-void SMESHGUI_MergeDlg::FindGravityCenter(TColStd_MapOfInteger & theElemsIdMap,
+void SMESHGUI_MergeDlg::FindGravityCenter(SVTK_TVtkIDsMap &      theElemsIdMap,
                                           std::vector<int>&      theIDs,
                                           std::list< gp_XYZ > &  theGrCentersXYZ)
 {
@@ -484,7 +484,7 @@ void SMESHGUI_MergeDlg::FindGravityCenter(TColStd_MapOfInteger & theElemsIdMap,
   int nbNodes;
 
   theIDs.reserve( theElemsIdMap.Extent() );
-  TColStd_MapIteratorOfMapOfInteger idIter( theElemsIdMap );
+  SVTK_TVtkIDsMapIterator idIter( theElemsIdMap );
   for( ; idIter.More(); idIter.Next() ) {
     const SMDS_MeshElement* anElem = aMesh->FindElement(idIter.Key());
     if ( !anElem )
@@ -845,7 +845,7 @@ void SMESHGUI_MergeDlg::onSelectGroup()
   myIsBusy = true;
   ListEdit->clear();
 
-  TColStd_MapOfInteger anIndices;
+  SVTK_TVtkIDsMap anIndices;
   QList<QListWidgetItem*> selItems = ListCoincident->selectedItems();
   QListWidgetItem* anItem;
   QStringList aListIds;
@@ -908,7 +908,7 @@ void SMESHGUI_MergeDlg::onSelectElementFromGroup()
   if (myIsBusy || !myActor)
     return;
 
-  TColStd_MapOfInteger anIndices;
+  SVTK_TVtkIDsMap anIndices;
   QList<QListWidgetItem*> selItems = ListEdit->selectedItems();
   QListWidgetItem* anItem;
 
@@ -1595,7 +1595,7 @@ void SMESHGUI_MergeDlg::onSelectKeep()
     if ( myActor )
     {
       mySelectionMgr->clearSelected();
-      TColStd_MapOfInteger aIndexes;
+      SVTK_TVtkIDsMap aIndexes;
       QList<QListWidgetItem*> selItems = KeepList->selectedItems();
       QListWidgetItem* anItem;
       foreach(anItem, selItems) aIndexes.Add(anItem->text().toInt());
diff --git a/src/SMESHGUI/SMESHGUI_MergeDlg.h b/src/SMESHGUI/SMESHGUI_MergeDlg.h
index 5cecfd2f6..e421671e8 100644
--- a/src/SMESHGUI/SMESHGUI_MergeDlg.h
+++ b/src/SMESHGUI/SMESHGUI_MergeDlg.h
@@ -30,8 +30,9 @@
 // SMESH includes
 #include "SMESH_SMESHGUI.hxx"
 
-// Qt includes
+// GUI and Qt includes
 #include <QDialog>
+#include <SVTK_Hash.h>
 
 // OCCT includes
 #include <gp_XYZ.hxx>
@@ -88,7 +89,7 @@ private:
   bool                      isKeepIDsSelection();
   bool                      isNewKeepGroup( const char* entry );
 
-  void                      FindGravityCenter( TColStd_MapOfInteger&,
+  void                      FindGravityCenter( SVTK_TVtkIDsMap&,
                                                std::vector<int>& , 
                                                std::list<gp_XYZ>& );
   // add the centers of gravity of ElemsIdMap elements to the GrCentersXYZ list
diff --git a/src/SMESHGUI/SMESHGUI_MeshInfo.cxx b/src/SMESHGUI/SMESHGUI_MeshInfo.cxx
index 571384316..57b76a490 100644
--- a/src/SMESHGUI/SMESHGUI_MeshInfo.cxx
+++ b/src/SMESHGUI/SMESHGUI_MeshInfo.cxx
@@ -3315,7 +3315,7 @@ void SMESHGUI_MeshInfoDlg::idChanged()
   myIDPreview->SetPointsLabeled( false );
 
   if ( myProxy ) {
-    TColStd_MapOfInteger ID;
+    SVTK_TVtkIDsMap      ID;
     QSet<uint>           ids;
     std::vector<int>     idVec;
     std::list< gp_XYZ >  aGrCentersXYZ;
diff --git a/src/SMESHGUI/SMESHGUI_MeshPatternDlg.cxx b/src/SMESHGUI/SMESHGUI_MeshPatternDlg.cxx
index d524ec880..395814985 100644
--- a/src/SMESHGUI/SMESHGUI_MeshPatternDlg.cxx
+++ b/src/SMESHGUI/SMESHGUI_MeshPatternDlg.cxx
@@ -1411,7 +1411,7 @@ void SMESHGUI_MeshPatternDlg::onTextChanged (const QString& theNewText)
   if (aMesh) {
     QStringList aListId = theNewText.split(" ", QString::SkipEmptyParts);
 
-    TColStd_MapOfInteger newIndices;
+    SVTK_TVtkIDsMap newIndices;
 
     for (int i = 0; i < aListId.count(); i++) {
       const SMDS_MeshElement * e = aMesh->FindElement(aListId[ i ].toInt());
diff --git a/src/SMESHGUI/SMESHGUI_MultiEditDlg.cxx b/src/SMESHGUI/SMESHGUI_MultiEditDlg.cxx
index 8a959ecb3..34ba6a13a 100644
--- a/src/SMESHGUI/SMESHGUI_MultiEditDlg.cxx
+++ b/src/SMESHGUI/SMESHGUI_MultiEditDlg.cxx
@@ -697,7 +697,7 @@ void SMESHGUI_MultiEditDlg::onAddBtn()
   if (nbSelected == 0)
     return;
 
-  TColStd_IndexedMapOfInteger toBeAdded;
+  SVTK_TIndexedMapOfVtkId toBeAdded;
 
   if (!mySubmeshChk->isChecked() && !myGroupChk->isChecked()) {
     if (nbSelected > 0)
@@ -712,7 +712,7 @@ void SMESHGUI_MultiEditDlg::onAddBtn()
           SMESH::smIdType_array_var anIds = aSubMesh->GetElementsId();
           for (int i = 0, n = anIds->length(); i < n; i++) {
             if (isIdValid(FromIdType<int>(anIds[ i ])))
-              toBeAdded.Add(FromIdType<int>(anIds[ i ]));
+              toBeAdded.Add(anIds[ i ]);
           }
         }
       }
@@ -728,7 +728,7 @@ void SMESHGUI_MultiEditDlg::onAddBtn()
           SMESH::smIdType_array_var anIds = aGroup->GetListOfID();
           for (int i = 0, n = anIds->length(); i < n; i++) {
             if (isIdValid(FromIdType<int>(anIds[ i ])))
-              toBeAdded.Add(FromIdType<int>(anIds[ i ]));
+              toBeAdded.Add(anIds[ i ]);
           }
         }
       }
@@ -875,7 +875,7 @@ void SMESHGUI_MultiEditDlg::onListSelectionChanged()
     anActor = myActor;
   TVisualObjPtr anObj = anActor->GetObject();
 
-  TColStd_MapOfInteger anIndexes;
+  SVTK_TVtkIDsMap anIndexes;
   int total = myListBox->count();
   for (int i = 0; i < total; i++)
   {
@@ -1818,7 +1818,7 @@ void SMESHGUI_SplitVolumesDlg::onSelectionDone()
       if (!aSelMesh->_is_nil())
         myMesh = aSelMesh;
 
-      TColStd_IndexedMapOfInteger aMapIndex;
+      SVTK_TIndexedMapOfVtkId aMapIndex;
       mySelector->GetIndex( anIO, aMapIndex );
       if ( !aMapIndex.IsEmpty() )
         showFacetByElement( aMapIndex(1) );
diff --git a/src/SMESHGUI/SMESHGUI_OffsetDlg.cxx b/src/SMESHGUI/SMESHGUI_OffsetDlg.cxx
index ec681f8eb..ee7716ee6 100644
--- a/src/SMESHGUI/SMESHGUI_OffsetDlg.cxx
+++ b/src/SMESHGUI/SMESHGUI_OffsetDlg.cxx
@@ -552,13 +552,13 @@ void SMESHGUI_OffsetDlg::onTextChange (const QString& theNewText)
   if (aMesh) {
     Handle(SALOME_InteractiveObject) anIO = myActor->getIO();
 
-    TColStd_MapOfInteger newIndices;
+    SVTK_TVtkIDsMap newIndices;
 
     QStringList aListId = theNewText.split(" ", QString::SkipEmptyParts);
     for (int i = 0; i < aListId.count(); i++)
     {
       if ( const SMDS_MeshElement * e = aMesh->FindElement(aListId[ i ].toInt()))
-        newIndices.Add( FromIdType<int>(e->GetID()) );
+        newIndices.Add( e->GetID() );
       myNbOkElements++;
     }
 
diff --git a/src/SMESHGUI/SMESHGUI_RemoveElementsDlg.cxx b/src/SMESHGUI/SMESHGUI_RemoveElementsDlg.cxx
index 4e2f64549..7ef8401c4 100644
--- a/src/SMESHGUI/SMESHGUI_RemoveElementsDlg.cxx
+++ b/src/SMESHGUI/SMESHGUI_RemoveElementsDlg.cxx
@@ -348,7 +348,7 @@ void SMESHGUI_RemoveElementsDlg::onTextChange(const QString& theNewText)
     if(SMDS_Mesh* aMesh = myActor->GetObject()->GetMesh()){
       Handle(SALOME_InteractiveObject) anIO = myActor->getIO();
       
-      TColStd_MapOfInteger newIndices;
+      SVTK_TVtkIDsMap newIndices;
       
       QStringList aListId = theNewText.split(" ", QString::SkipEmptyParts);
       for (int i = 0; i < aListId.count(); i++) {
diff --git a/src/SMESHGUI/SMESHGUI_RemoveNodesDlg.cxx b/src/SMESHGUI/SMESHGUI_RemoveNodesDlg.cxx
index e50b5c851..fe0fe6cbc 100644
--- a/src/SMESHGUI/SMESHGUI_RemoveNodesDlg.cxx
+++ b/src/SMESHGUI/SMESHGUI_RemoveNodesDlg.cxx
@@ -356,7 +356,7 @@ void SMESHGUI_RemoveNodesDlg::onTextChange(const QString& theNewText)
     if(SMDS_Mesh* aMesh = myActor->GetObject()->GetMesh()){
       Handle(SALOME_InteractiveObject) anIO = myActor->getIO();
            
-      TColStd_MapOfInteger newIndices;
+      SVTK_TVtkIDsMap newIndices;
       
       QStringList aListId = theNewText.split(" ", QString::SkipEmptyParts);
       for (int i = 0; i < aListId.count(); i++) {
diff --git a/src/SMESHGUI/SMESHGUI_ReorientFacesDlg.cxx b/src/SMESHGUI/SMESHGUI_ReorientFacesDlg.cxx
index 8c6d52952..620802fe8 100644
--- a/src/SMESHGUI/SMESHGUI_ReorientFacesDlg.cxx
+++ b/src/SMESHGUI/SMESHGUI_ReorientFacesDlg.cxx
@@ -518,7 +518,7 @@ void SMESHGUI_ReorientFacesOp::selectionDone()
 
       if ( nbSelected == 1 )
       {
-        TColStd_IndexedMapOfInteger faceIndices;
+        SVTK_TIndexedMapOfVtkId faceIndices;
         selector()->GetIndex( anIO, faceIndices );
         if ( faceIndices.Extent() == 1 )
         {
@@ -558,7 +558,7 @@ void SMESHGUI_ReorientFacesOp::selectionDone()
         }
         else
         {
-          TColStd_IndexedMapOfInteger nodeIndices;
+          SVTK_TIndexedMapOfVtkId nodeIndices;
           selector()->GetIndex( anIO, nodeIndices );
           if ( nodeIndices.Extent() > 0 && nodeIndices.Extent() <=2 )
           {
@@ -620,7 +620,7 @@ void SMESHGUI_ReorientFacesOp::onTextChange( const QString& theText )
       myDlg->activateObject( EFace );
       myDlg->setObjectText( EFace, theText );
     }
-    TColStd_MapOfInteger ids;
+    SVTK_TVtkIDsMap ids;
     if ( !theText.isEmpty() && theText.toInt() > 0 )
       ids.Add( theText.toInt() );
 
diff --git a/src/SMESHGUI/SMESHGUI_RevolutionDlg.cxx b/src/SMESHGUI/SMESHGUI_RevolutionDlg.cxx
index 4c88473ba..3b21f38b1 100644
--- a/src/SMESHGUI/SMESHGUI_RevolutionDlg.cxx
+++ b/src/SMESHGUI/SMESHGUI_RevolutionDlg.cxx
@@ -602,7 +602,7 @@ void SMESHGUI_RevolutionDlg::SelectionIntoArgument()
       return;
 
     Handle(SALOME_InteractiveObject) IO = aList.First();
-    TColStd_IndexedMapOfInteger aMapIndex;
+    SVTK_TIndexedMapOfVtkId aMapIndex;
     mySelector->GetIndex(IO,aMapIndex);
     if ( aMapIndex.Extent() != 1 )
       return;
diff --git a/src/SMESHGUI/SMESHGUI_RotationDlg.cxx b/src/SMESHGUI/SMESHGUI_RotationDlg.cxx
index 42667c09c..b0e12148f 100644
--- a/src/SMESHGUI/SMESHGUI_RotationDlg.cxx
+++ b/src/SMESHGUI/SMESHGUI_RotationDlg.cxx
@@ -644,13 +644,13 @@ void SMESHGUI_RotationDlg::onTextChange (const QString& theNewText)
     if (send == LineEditElements) {
       Handle(SALOME_InteractiveObject) anIO = myActor->getIO();
 
-      TColStd_MapOfInteger newIndices;
+      SVTK_TVtkIDsMap newIndices;
 
       QStringList aListId = theNewText.split(" ", QString::SkipEmptyParts);
       for (int i = 0; i < aListId.count(); i++) {
         const SMDS_MeshElement * e = aMesh->FindElement(aListId[ i ].toInt());
         if (e)
-          newIndices.Add(FromIdType<int>(e->GetID()));
+          newIndices.Add(e->GetID());
         myNbOkElements++;
       }
 
diff --git a/src/SMESHGUI/SMESHGUI_ScaleDlg.cxx b/src/SMESHGUI/SMESHGUI_ScaleDlg.cxx
index 19666562d..c71d28d16 100644
--- a/src/SMESHGUI/SMESHGUI_ScaleDlg.cxx
+++ b/src/SMESHGUI/SMESHGUI_ScaleDlg.cxx
@@ -682,7 +682,7 @@ void SMESHGUI_ScaleDlg::onTextChange (const QString& theNewText)
   if (aMesh) {
     Handle(SALOME_InteractiveObject) anIO = myActor->getIO();
 
-    TColStd_MapOfInteger newIndices;
+    SVTK_TVtkIDsMap newIndices;
 
     QStringList aListId = theNewText.split(" ", QString::SkipEmptyParts);
 
@@ -690,7 +690,7 @@ void SMESHGUI_ScaleDlg::onTextChange (const QString& theNewText)
       for (int i = 0; i < aListId.count(); i++) {
         const SMDS_MeshElement * e = aMesh->FindElement(aListId[ i ].toInt());
         if (e)
-          newIndices.Add(FromIdType<int>(e->GetID()));
+          newIndices.Add(e->GetID());
         myNbOkElements++;
       }
     }
diff --git a/src/SMESHGUI/SMESHGUI_SelectionOp.cxx b/src/SMESHGUI/SMESHGUI_SelectionOp.cxx
index 1a16815ff..45d111e98 100644
--- a/src/SMESHGUI/SMESHGUI_SelectionOp.cxx
+++ b/src/SMESHGUI/SMESHGUI_SelectionOp.cxx
@@ -262,7 +262,7 @@ void SMESHGUI_SelectionOp::highlight( const Handle( SALOME_InteractiveObject )&
 // Purpose : Select/deselect cells of mesh
 //=======================================================================
 void SMESHGUI_SelectionOp::addOrRemoveIndex( const Handle( SALOME_InteractiveObject )& obj,
-                                             const TColStd_MapOfInteger& indices,
+                                             const SVTK_TVtkIDsMap& indices,
                                              const bool isModeShift )
 {
   SVTK_Selector* sel = selector();
@@ -468,7 +468,7 @@ void SMESHGUI_SelectionOp::onTextChanged( int, const QStringList& list )
     if( !dlg() )
       return;
 
-    TColStd_MapOfInteger newIndices;
+    SVTK_TVtkIDsMap newIndices;
 
     SALOME_ListIO sel; selectionMgr()->selectedObjects( sel );
     SMESH_Actor* anActor = actor();
@@ -483,12 +483,12 @@ void SMESHGUI_SelectionOp::onTextChanged( int, const QStringList& list )
     if ( selectionMode() == NodeSelection )
       for( ; anIt!=aLast; anIt++ ) {
         if( const SMDS_MeshNode * n = aMesh->FindNode( *anIt ) )
-          newIndices.Add( FromIdType<int>(n->GetID()) );
+          newIndices.Add( n->GetID() );
       }
     else 
       for( ; anIt!=aLast; anIt++ ) {
         if( const SMDS_MeshElement* e = aMesh->FindElement( *anIt ) )
-          newIndices.Add( FromIdType<int>(e->GetID()) );
+          newIndices.Add( e->GetID() );
       }
 
     selector()->AddOrRemoveIndex( sel.First(), newIndices, false );
diff --git a/src/SMESHGUI/SMESHGUI_SelectionOp.h b/src/SMESHGUI/SMESHGUI_SelectionOp.h
index de37e058f..1d265b3bd 100644
--- a/src/SMESHGUI/SMESHGUI_SelectionOp.h
+++ b/src/SMESHGUI/SMESHGUI_SelectionOp.h
@@ -34,6 +34,7 @@
 
 // SALOME GUI includes
 #include <SVTK_Selection.h>
+#include <SVTK_Hash.h>
 #include <SALOME_InteractiveObject.hxx>
 
 // IDL includes
@@ -110,7 +111,7 @@ protected:
                                
   //! Select some nodes or elements in VTK
   void                          addOrRemoveIndex( const Handle( SALOME_InteractiveObject )&,
-                                                  const TColStd_MapOfInteger&, const bool isModeShift);
+                                                  const SVTK_TVtkIDsMap&, const bool isModeShift);
 
   SVTK_ViewWindow*              viewWindow() const;
   SVTK_Selector*                selector() const;
diff --git a/src/SMESHGUI/SMESHGUI_SewingDlg.cxx b/src/SMESHGUI/SMESHGUI_SewingDlg.cxx
index df05b65e2..b80e0f998 100644
--- a/src/SMESHGUI/SMESHGUI_SewingDlg.cxx
+++ b/src/SMESHGUI/SMESHGUI_SewingDlg.cxx
@@ -1541,7 +1541,7 @@ void SMESHGUI_SewingDlg::onTextChange (const QString& theNewText)
     send->clear();
 
   if (aMesh) {
-    TColStd_MapOfInteger newIndices;
+    SVTK_TVtkIDsMap newIndices;
     
     if (GetConstructorId() != 3 || (send != LineEdit1 && send != LineEdit4)) {
       SMESH::SetPointRepresentation(true);
@@ -1551,7 +1551,7 @@ void SMESHGUI_SewingDlg::onTextChange (const QString& theNewText)
 
       const SMDS_MeshNode * n = aMesh->FindNode(theNewText.toInt());
       if (n) {
-        newIndices.Add(FromIdType<int>(n->GetID()));
+        newIndices.Add(n->GetID());
         mySelector->AddOrRemoveIndex(myActor->getIO(), newIndices, false);
         if ( SVTK_ViewWindow* aViewWindow = SMESH::GetViewWindow( mySMESHGUI ))
           aViewWindow->highlight( myActor->getIO(), true, true );
@@ -1583,7 +1583,7 @@ void SMESHGUI_SewingDlg::onTextChange (const QString& theNewText)
         const SMDS_MeshElement * e = aMesh->FindElement(aListId[ i ].toInt());
         if (e)
         {
-          newIndices.Add(FromIdType<int>(e->GetID()));
+          newIndices.Add(e->GetID());
           atLeastOneExists = true;
         }
       }
diff --git a/src/SMESHGUI/SMESHGUI_ShapeByMeshDlg.cxx b/src/SMESHGUI/SMESHGUI_ShapeByMeshDlg.cxx
index 144382246..864f31115 100644
--- a/src/SMESHGUI/SMESHGUI_ShapeByMeshDlg.cxx
+++ b/src/SMESHGUI/SMESHGUI_ShapeByMeshDlg.cxx
@@ -498,12 +498,12 @@ void SMESHGUI_ShapeByMeshOp::onElemIdChanged(const QString& theNewText)
         case VOLUME: type = SMDSAbs_Volume; break;
         default: return;
         }
-        TColStd_MapOfInteger newIndices;
+        SVTK_TVtkIDsMap newIndices;
         QStringList aListId = theNewText.split( " ", QString::SkipEmptyParts);
         for ( int i = 0; i < aListId.count(); i++ ) {
           if ( const SMDS_MeshElement * e = aMesh->FindElement( aListId[ i ].toInt() ))
             if ( e->GetType() == type )
-              newIndices.Add( FromIdType<int>(e->GetID()) );
+              newIndices.Add( e->GetID() );
         }
         
         if ( !newIndices.IsEmpty() )
diff --git a/src/SMESHGUI/SMESHGUI_SmoothingDlg.cxx b/src/SMESHGUI/SMESHGUI_SmoothingDlg.cxx
index ff1fa4b81..d46cb7554 100644
--- a/src/SMESHGUI/SMESHGUI_SmoothingDlg.cxx
+++ b/src/SMESHGUI/SMESHGUI_SmoothingDlg.cxx
@@ -523,7 +523,7 @@ void SMESHGUI_SmoothingDlg::onTextChange (const QString& theNewText)
   QStringList aListId = theNewText.split(" ", QString::SkipEmptyParts);
 
   if (send == LineEditElements) {
-    TColStd_MapOfInteger newIndices;
+    SVTK_TVtkIDsMap newIndices;
     for (int i = 0; i < aListId.count(); i++) {
       int id = aListId[ i ].toInt();
       if ( id > 0 ) {
@@ -538,7 +538,7 @@ void SMESHGUI_SmoothingDlg::onTextChange (const QString& theNewText)
     }
   }
   else if (send == LineEditNodes) {
-    TColStd_MapOfInteger newIndices;
+    SVTK_TVtkIDsMap newIndices;
     for (int i = 0; i < aListId.count(); i++) {
       int id = aListId[ i ].toInt();
       if ( id > 0 ) {
@@ -619,7 +619,7 @@ void SMESHGUI_SmoothingDlg::SelectionIntoArgument()
         myNbOkElements = true;
       } else {
         // get indices of selected elements
-        TColStd_IndexedMapOfInteger aMapIndex;
+        SVTK_TIndexedMapOfVtkId aMapIndex;
         mySelector->GetIndex(IO,aMapIndex);
         myNbOkElements = aMapIndex.Extent();
 
diff --git a/src/SMESHGUI/SMESHGUI_SymmetryDlg.cxx b/src/SMESHGUI/SMESHGUI_SymmetryDlg.cxx
index 80054ebbf..e5c429799 100644
--- a/src/SMESHGUI/SMESHGUI_SymmetryDlg.cxx
+++ b/src/SMESHGUI/SMESHGUI_SymmetryDlg.cxx
@@ -701,7 +701,7 @@ void SMESHGUI_SymmetryDlg::onTextChange (const QString& theNewText)
   if (aMesh) {
     Handle(SALOME_InteractiveObject) anIO = myActor->getIO();
 
-    TColStd_MapOfInteger newIndices;
+    SVTK_TVtkIDsMap newIndices;
 
     QStringList aListId = theNewText.split(" ", QString::SkipEmptyParts);
 
@@ -709,7 +709,7 @@ void SMESHGUI_SymmetryDlg::onTextChange (const QString& theNewText)
       for (int i = 0; i < aListId.count(); i++) {
         const SMDS_MeshElement * e = aMesh->FindElement(aListId[ i ].toInt());
         if (e)
-          newIndices.Add(FromIdType<int>(e->GetID()));
+          newIndices.Add(e->GetID());
         myNbOkElements++;
       }
 
diff --git a/src/SMESHGUI/SMESHGUI_TranslationDlg.cxx b/src/SMESHGUI/SMESHGUI_TranslationDlg.cxx
index 4486dfbe9..f5546fd44 100644
--- a/src/SMESHGUI/SMESHGUI_TranslationDlg.cxx
+++ b/src/SMESHGUI/SMESHGUI_TranslationDlg.cxx
@@ -713,7 +713,7 @@ void SMESHGUI_TranslationDlg::onTextChange (const QString& theNewText)
   if (aMesh) {
     Handle(SALOME_InteractiveObject) anIO = myActor->getIO();
 
-    TColStd_MapOfInteger newIndices;
+    SVTK_TVtkIDsMap newIndices;
 
     QStringList aListId = theNewText.split(" ", QString::SkipEmptyParts);
 
@@ -721,7 +721,7 @@ void SMESHGUI_TranslationDlg::onTextChange (const QString& theNewText)
       for (int i = 0; i < aListId.count(); i++) {
         const SMDS_MeshElement * e = aMesh->FindElement(aListId[ i ].toInt());
         if (e)
-          newIndices.Add(FromIdType<int>(e->GetID()));
+          newIndices.Add(e->GetID());
         myNbOkElements++;
       }
     }
diff --git a/src/SMESHGUI/SMESHGUI_VTKUtils.cxx b/src/SMESHGUI/SMESHGUI_VTKUtils.cxx
index a6bfbd353..1cc4206eb 100644
--- a/src/SMESHGUI/SMESHGUI_VTKUtils.cxx
+++ b/src/SMESHGUI/SMESHGUI_VTKUtils.cxx
@@ -1194,7 +1194,7 @@ namespace SMESH
                              QString&                                theName)
   {
     theName = "";
-    TColStd_IndexedMapOfInteger aMapIndex;
+    SVTK_TIndexedMapOfVtkId aMapIndex;
     theSelector->GetIndex(theIO,aMapIndex);
 
     for(int i = 1; i <= aMapIndex.Extent(); i++)
@@ -1208,7 +1208,7 @@ namespace SMESH
                                 QString& theName)
   {
     theName = "";
-    TColStd_IndexedMapOfInteger aMapIndex;
+    SVTK_TIndexedMapOfVtkId aMapIndex;
     theSelector->GetIndex(theIO,aMapIndex);
 
     typedef std::set<int> TIdContainer;
@@ -1238,7 +1238,7 @@ namespace SMESH
     if ( anIO.IsNull() || !anIO->hasEntry() )
       return -1;
 
-    TColStd_IndexedMapOfInteger aMapIndex;
+    SVTK_TIndexedMapOfVtkId aMapIndex;
     theSelector->GetIndex( anIO, aMapIndex );
     if ( aMapIndex.Extent() != 2 )
       return -1;
diff --git a/src/SMESH_SWIG_WITHIHM/libSMESH_Swig.cxx b/src/SMESH_SWIG_WITHIHM/libSMESH_Swig.cxx
index 207d4c30b..4408fe3c1 100644
--- a/src/SMESH_SWIG_WITHIHM/libSMESH_Swig.cxx
+++ b/src/SMESH_SWIG_WITHIHM/libSMESH_Swig.cxx
@@ -1739,7 +1739,7 @@ public:
     if ( vw->SelectionMode() == ActorSelection )
       return;
 
-    TColStd_MapOfInteger idMap;
+    SVTK_TVtkIDsMap idMap;
     std::vector<int>::const_iterator it;
     for ( it = myIds.begin(); it != myIds.end(); ++it )
     {
@@ -1991,7 +1991,7 @@ public:
     if ( !actor || !actor->hasIO() )
       return;
 
-    TColStd_IndexedMapOfInteger idMap;
+    SVTK_TIndexedMapOfVtkId idMap;
     selector->GetIndex( actor->getIO(), idMap );
 
     for ( int i = 1; i <= idMap.Extent(); i++ )
diff --git a/src/StdMeshers/StdMeshers_NumberOfSegments.cxx b/src/StdMeshers/StdMeshers_NumberOfSegments.cxx
index 08f1210b9..618a1f322 100644
--- a/src/StdMeshers/StdMeshers_NumberOfSegments.cxx
+++ b/src/StdMeshers/StdMeshers_NumberOfSegments.cxx
@@ -109,9 +109,9 @@ StdMeshers_NumberOfSegments::BuildDistributionTab( const vector<double>& tab,
  */
 //=============================================================================
 
-void StdMeshers_NumberOfSegments::SetNumberOfSegments(int segmentsNumber)
+void StdMeshers_NumberOfSegments::SetNumberOfSegments(smIdType segmentsNumber)
 {
-  int oldNumberOfSegments = _numberOfSegments;
+  smIdType oldNumberOfSegments = _numberOfSegments;
   if (segmentsNumber <= 0)
     throw SALOME_Exception(LOCALIZED("number of segments must be positive"));
   _numberOfSegments = segmentsNumber;
@@ -126,7 +126,7 @@ void StdMeshers_NumberOfSegments::SetNumberOfSegments(int segmentsNumber)
  */
 //=============================================================================
 
-int StdMeshers_NumberOfSegments::GetNumberOfSegments() const
+smIdType StdMeshers_NumberOfSegments::GetNumberOfSegments() const
 {
   return _numberOfSegments;
 }
diff --git a/src/StdMeshers/StdMeshers_NumberOfSegments.hxx b/src/StdMeshers/StdMeshers_NumberOfSegments.hxx
index bd80c2f0f..80becbbbc 100644
--- a/src/StdMeshers/StdMeshers_NumberOfSegments.hxx
+++ b/src/StdMeshers/StdMeshers_NumberOfSegments.hxx
@@ -57,12 +57,12 @@ public:
    * \brief Set the number of segments
     * \param segmentsNumber - must be greater than zero
    */
-  void SetNumberOfSegments(int segmentsNumber);
+  void SetNumberOfSegments(smIdType segmentsNumber);
 
   /*!
    * \brief Get the number of segments
    */
-  int GetNumberOfSegments() const;
+  smIdType GetNumberOfSegments() const;
 
   /*!
    * \brief This enumeration presents available types of distribution