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Color Number (Color Group) parameter is returned for compatibility
[modules/smesh.git] / src / SMESH_I / SMESH_Gen_i.cxx
index b55ed358bd435e495cc3ccc3d447b8254b031c0d..7d57ff91627cee4cfd92c22b0a7a1f9d54ce3a66 100644 (file)
@@ -17,7 +17,7 @@
 //  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.opencascade.org/SALOME/ or email : webmaster.salome@opencascade.org 
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
 //
 //
 //
@@ -26,7 +26,6 @@
 //  Module : SMESH
 //  $Header$
 
-using namespace std;
 #include <TopExp.hxx>
 #include <TopExp_Explorer.hxx>
 #include <TopoDS.hxx>
@@ -41,31 +40,66 @@ using namespace std;
 #include <TopoDS_Vertex.hxx>
 #include <TopoDS_Shape.hxx>
 #include <TopTools_MapOfShape.hxx>
+#include <TopTools_IndexedMapOfShape.hxx>
+#include <TopTools_ListOfShape.hxx>
+#include <TopTools_ListIteratorOfListOfShape.hxx>
 #include <gp_Pnt.hxx>
 #include <BRep_Tool.hxx>
 #include <TCollection_AsciiString.hxx>
+#include <OSD.hxx>
+
+#include "Utils_CorbaException.hxx"
 
+#include "utilities.h"
 #include <fstream>
 #include <stdio.h>
 
+#ifdef WNT
+ #include <windows.h>
+#else
+ #include <dlfcn.h>
+#endif
+
+#ifdef WNT
+ #define LibHandle HMODULE
+ #define LoadLib( name ) LoadLibrary( name )
+ #define GetProc GetProcAddress
+ #define UnLoadLib( handle ) FreeLibrary( handle );
+#else
+ #define LibHandle void*
+ #define LoadLib( name ) dlopen( name, RTLD_LAZY )
+ #define GetProc dlsym
+ #define UnLoadLib( handle ) dlclose( handle );
+#endif
+
+#include <HDFOI.hxx>
+
 #include "SMESH_Gen_i.hxx"
 #include "SMESH_Mesh_i.hxx"
-#include "SMESH_LocalLength_i.hxx"
-#include "SMESH_NumberOfSegments_i.hxx"
-#include "SMESH_MaxElementArea_i.hxx"
-#include "SMESH_MaxElementVolume_i.hxx"
+#include "SMESH_Hypothesis_i.hxx"
+#include "SMESH_Algo_i.hxx"
+#include "SMESH_Group_i.hxx"
+#include "SMESH_PythonDump.hxx"
 
 #include "SMESHDS_Document.hxx"
+#include "SMESHDS_Group.hxx"
+#include "SMESHDS_GroupOnGeom.hxx"
+#include "SMESH_Mesh.hxx"
+#include "SMESH_Hypothesis.hxx"
+#include "SMESH_Group.hxx"
+#include "SMESH_MeshEditor.hxx"
+
+#include "SMDS_EdgePosition.hxx"
+#include "SMDS_FacePosition.hxx"
+#include "SMDS_VertexPosition.hxx"
+#include "SMDS_SpacePosition.hxx"
+#include "SMDS_PolyhedralVolumeOfNodes.hxx"
+
+#include CORBA_SERVER_HEADER(SMESH_Group)
+#include CORBA_SERVER_HEADER(SMESH_Filter)
 
-#include "Document_Reader.h"
 #include "DriverMED_W_SMESHDS_Mesh.h"
 #include "DriverMED_R_SMESHDS_Mesh.h"
-#include "DriverMED_R_SMESHDS_Document.h"
-#include "DriverUNV_R_SMESHDS_Document.h"
-#include "DriverDAT_R_SMESHDS_Document.h"
-
-#include "Utils_CorbaException.hxx"
-#include "utilities.h"
 
 #include "SALOMEDS_Tool.hxx"
 #include "SALOME_NamingService.hxx"
@@ -73,1687 +107,3622 @@ using namespace std;
 #include "Utils_SINGLETON.hxx"
 #include "OpUtil.hxx"
 
-//#include <TopAbs_ShapeEnum.hxx>
+#include CORBA_CLIENT_HEADER(SALOME_ModuleCatalog)
 
 #include "GEOM_Client.hxx"
+#include "Utils_ExceptHandlers.hxx"
 
 #include <map>
 
-#define NUM_TMP_FILES 4
+using namespace std;
+using SMESH::TPythonDump;
+
+#define NUM_TMP_FILES 2
+
+#ifdef _DEBUG_
+static int MYDEBUG = 0;
+#else
+static int MYDEBUG = 0;
+#endif
+
+// Static variables definition
+GEOM::GEOM_Gen_var      SMESH_Gen_i::myGeomGen = GEOM::GEOM_Gen::_nil();
+CORBA::ORB_var          SMESH_Gen_i::myOrb;
+PortableServer::POA_var SMESH_Gen_i::myPoa;
+SALOME_NamingService*   SMESH_Gen_i::myNS  = NULL;
+SALOME_LifeCycleCORBA*  SMESH_Gen_i::myLCC = NULL;
+SMESH_Gen_i*            SMESH_Gen_i::mySMESHGen = NULL;
+
+//=============================================================================
+/*!
+ *  GetServant [ static ]
+ *
+ *  Get servant of the CORBA object
+ */
+//=============================================================================
+
+PortableServer::ServantBase_var SMESH_Gen_i::GetServant( CORBA::Object_ptr theObject )
+{
+  if( CORBA::is_nil( theObject ) || CORBA::is_nil( GetPOA() ) )
+    return NULL;
+  try {
+    PortableServer::Servant aServant = GetPOA()->reference_to_servant( theObject );
+    return aServant;
+  } 
+  catch (...) {
+    INFOS( "GetServant - Unknown exception was caught!!!" ); 
+    return NULL;
+  }
+}
+
+//=============================================================================
+/*!
+ *  SObjectToObject [ static ]
+ *
+ *  Get CORBA object corresponding to the SALOMEDS::SObject
+ */
+//=============================================================================
+
+CORBA::Object_var SMESH_Gen_i::SObjectToObject( SALOMEDS::SObject_ptr theSObject )
+{
+  SALOMEDS::GenericAttribute_var anAttr;
+  CORBA::Object_var anObj;
+  if ( !theSObject->_is_nil() ) {
+    try {
+      if( theSObject->FindAttribute( anAttr, "AttributeIOR" ) ) {
+       SALOMEDS::AttributeIOR_var anIOR  = SALOMEDS::AttributeIOR::_narrow( anAttr );
+       CORBA::String_var aValue = anIOR->Value();
+       if( strcmp( aValue, "" ) != 0 )
+         anObj = GetORB()->string_to_object( aValue );
+       }
+    }
+    catch( ... ) {
+      INFOS( "SObjectToObject - Unknown exception was caught!!!" );
+    }
+  }
+  return anObj;
+}
+
+//=============================================================================
+/*!
+ *  GetNS [ static ]
+ *
+ *  Get SALOME_NamingService object 
+ */
+//=============================================================================
 
-// Tags definition 
-long Tag_HypothesisRoot  = 1;
-long Tag_AlgorithmsRoot  = 2;
+SALOME_NamingService* SMESH_Gen_i::GetNS()
+{
+  if ( myNS == NULL ) {
+    myNS = SINGLETON_<SALOME_NamingService>::Instance();
+    ASSERT(SINGLETON_<SALOME_NamingService>::IsAlreadyExisting());
+    myNS->init_orb( GetORB() );
+  }
+  return myNS;
+}
 
-long Tag_RefOnShape      = 1;
-long Tag_RefOnAppliedHypothesis = 2;
-long Tag_RefOnAppliedAlgorithms = 3;
+//=============================================================================
+/*!
+ *  GetLCC [ static ]
+ *
+ *  Get SALOME_LifeCycleCORBA object
+ */
+//=============================================================================     
+SALOME_LifeCycleCORBA*  SMESH_Gen_i::GetLCC() {
+  if ( myLCC == NULL ) {
+    myLCC = new SALOME_LifeCycleCORBA( GetNS() );
+  }
+  return myLCC;
+}
 
-long Tag_SubMeshOnVertex = 4;
-long Tag_SubMeshOnEdge = 5;
-long Tag_SubMeshOnFace = 6;
-long Tag_SubMeshOnSolid = 7;
-long Tag_SubMeshOnCompound = 8;
 
+//=============================================================================
+/*!
+ *  GetGeomEngine [ static ]
+ *
+ *  Get GEOM::GEOM_Gen reference
+ */
+//=============================================================================     
+GEOM::GEOM_Gen_ptr SMESH_Gen_i::GetGeomEngine() {
+  //CCRT GEOM::GEOM_Gen_var aGeomEngine =
+  //CCRT   GEOM::GEOM_Gen::_narrow( GetLCC()->FindOrLoad_Component("FactoryServer","GEOM") );
+  //CCRT return aGeomEngine._retn();
+  if(CORBA::is_nil(myGeomGen))
+  {
+    Engines::Component_ptr temp=GetLCC()->FindOrLoad_Component("FactoryServer","GEOM");
+    myGeomGen=GEOM::GEOM_Gen::_narrow(temp);
+  }
+  return myGeomGen;
+}
 
 //=============================================================================
 /*!
- *  default constructor: not for use
+ *  SMESH_Gen_i::SMESH_Gen_i
+ *
+ *  Default constructor: not for use
  */
 //=============================================================================
 
 SMESH_Gen_i::SMESH_Gen_i()
 {
-  MESSAGE("SMESH_Gen_i default constructor");
-  // ****
+  INFOS( "SMESH_Gen_i::SMESH_Gen_i : default constructor" );
 }
 
 //=============================================================================
 /*!
- *  Standard constructor, used with Container.
+ *  SMESH_Gen_i::SMESH_Gen_i 
+ *
+ *  Standard constructor, used with Container
  */
 //=============================================================================
 
-SMESH_Gen_i::SMESH_Gen_i(CORBA::ORB_ptr orb,
-              PortableServer::POA_ptr poa,
-              PortableServer::ObjectId * contId, 
-              const char *instanceName, 
-                         const char *interfaceName) :
-  Engines_Component_i(orb, poa, contId, instanceName, interfaceName)
+SMESH_Gen_i::SMESH_Gen_i( CORBA::ORB_ptr            orb,
+                         PortableServer::POA_ptr   poa,
+                         PortableServer::ObjectId* contId, 
+                         const char*               instanceName, 
+                          const char*               interfaceName )
+     : Engines_Component_i( orb, poa, contId, instanceName, interfaceName )
 {
-  MESSAGE("activate object");
-  _thisObj = this ;
-  _id = _poa->activate_object(_thisObj);
+  MESSAGE( "SMESH_Gen_i::SMESH_Gen_i : standard constructor" );
 
-  _ShapeReader = NULL;
-  _localId = 0;  // number of created objects & local id 
+  myOrb = CORBA::ORB::_duplicate(orb);
+  myPoa = PortableServer::POA::_duplicate(poa);
+  
+  _thisObj = this ;
+  _id = myPoa->activate_object( _thisObj );
+  
+  myIsEmbeddedMode = false;
+  myShapeReader = NULL;  // shape reader
+  mySMESHGen = this;
 
+  // set it in standalone mode only
+  //OSD::SetSignal( true );
 }
 
 //=============================================================================
 /*!
- *  Standard destructor
+ *  SMESH_Gen_i::~SMESH_Gen_i
+ *
+ *  Destructor
  */
 //=============================================================================
 
 SMESH_Gen_i::~SMESH_Gen_i()
 {
-  MESSAGE("~SMESH_Gen_i");
-  // ****
+  INFOS( "SMESH_Gen_i::~SMESH_Gen_i" );
+
+  // delete hypothesis creators
+  map<string, GenericHypothesisCreator_i*>::iterator itHyp;
+  for (itHyp = myHypCreatorMap.begin(); itHyp != myHypCreatorMap.end(); itHyp++)
+  {
+    delete (*itHyp).second;
+  }
+  myHypCreatorMap.clear();
+
+  // Clear study contexts data
+  map<int, StudyContext*>::iterator it;
+  for ( it = myStudyContextMap.begin(); it != myStudyContextMap.end(); ++it ) {
+    delete it->second;
+  }
+  myStudyContextMap.clear();
+  // delete shape reader
+  if ( !myShapeReader ) 
+    delete myShapeReader;
 }
   
 //=============================================================================
 /*!
- *  
+ *  SMESH_Gen_i::createHypothesis
+ *
+ *  Create hypothesis of given type
  */
 //=============================================================================
-
-SMESH::SMESH_Hypothesis_ptr SMESH_Gen_i::CreateHypothesis(const char* anHyp,
-                                                          CORBA::Long studyId)
-  throw (SALOME::SALOME_Exception)
+SMESH::SMESH_Hypothesis_ptr SMESH_Gen_i::createHypothesis(const char* theHypName,
+                                                          const char* theLibName)
+     throw (SALOME::SALOME_Exception)
 {
-  MESSAGE("CreateHypothesis");
+  /* It's Need to tranlate lib name for WIN32 or X platform */
+  char* aPlatformLibName = 0;
+  if ( theLibName && theLibName[0] != '\0'  )
+  {
+    int libNameLen = strlen(theLibName);
+    //check for old format "libXXXXXXX.so"
+    if( libNameLen > 7 && !strncmp( theLibName, "lib", 3 ) && !strcmp( theLibName+libNameLen-3, ".so" ) )
+      {
+       //the old format
+#ifdef WNT
+       aPlatformLibName = new char[libNameLen - 1];
+       aPlatformLibName[0] = '\0';
+       aPlatformLibName = strncat( aPlatformLibName, theLibName+3, libNameLen-6  );
+       aPlatformLibName = strcat( aPlatformLibName, ".dll" );
+  aPlatformLibName[libNameLen - 2] = '\0';
+#else
+       aPlatformLibName = new char[ libNameLen + 1];
+       aPlatformLibName[0] = '\0';
+       aPlatformLibName = strcat( aPlatformLibName, theLibName );
+  aPlatformLibName[libNameLen] = '\0';
+#endif
+
+      }
+    else
+      {
+       //try to use new format 
+#ifdef WNT
+       aPlatformLibName = new char[ libNameLen + 5 ];
+       aPlatformLibName[0] = '\0';
+       aPlatformLibName = strcat( aPlatformLibName, theLibName );
+       aPlatformLibName = strcat( aPlatformLibName, ".dll" );
+#else
+       aPlatformLibName = new char[ libNameLen + 7 ];
+       aPlatformLibName[0] = '\0';
+       aPlatformLibName = strcat( aPlatformLibName, "lib" );
+       aPlatformLibName = strcat( aPlatformLibName, theLibName );
+       aPlatformLibName = strcat( aPlatformLibName, ".so" );
+#endif
+      }
+  }
+  
 
-  // create a new hypothesis object servant
 
+  Unexpect aCatch(SALOME_SalomeException);
+  if(MYDEBUG) MESSAGE( "Create Hypothesis <" << theHypName << "> from " << aPlatformLibName/*theLibName*/);
+
+  // create a new hypothesis object servant
   SMESH_Hypothesis_i* myHypothesis_i = 0;
+  SMESH::SMESH_Hypothesis_var hypothesis_i;
+
   try
+  {
+    // check, if creator for this hypothesis type already exists
+    if (myHypCreatorMap.find(string(theHypName)) == myHypCreatorMap.end())
     {
-      myHypothesis_i = _hypothesisFactory_i.Create(anHyp,
-                                                   studyId,
-                                                   &_impl);
+      // load plugin library
+      if(MYDEBUG) MESSAGE("Loading server meshers plugin library ...");
+      LibHandle libHandle = LoadLib( aPlatformLibName/*theLibName*/ );
+      if (!libHandle)
+      {
+        // report any error, if occured
+#ifndef WNT
+        const char* anError = dlerror();
+        throw(SALOME_Exception(anError));
+#else
+        throw(SALOME_Exception(LOCALIZED( "Can't load server meshers plugin library" )));
+#endif
+      }
+
+      // get method, returning hypothesis creator
+      if(MYDEBUG) MESSAGE("Find GetHypothesisCreator() method ...");
+      typedef GenericHypothesisCreator_i* (*GetHypothesisCreator)(const char* theHypName);
+      GetHypothesisCreator procHandle =
+        (GetHypothesisCreator)GetProc( libHandle, "GetHypothesisCreator" );
+      if (!procHandle)
+      {
+        throw(SALOME_Exception(LOCALIZED("bad hypothesis plugin library")));
+        UnLoadLib(libHandle);
+      }
+
+      // get hypothesis creator
+      if(MYDEBUG) MESSAGE("Get Hypothesis Creator for " << theHypName);
+      GenericHypothesisCreator_i* aCreator = procHandle(theHypName);
+      if (!aCreator)
+      {
+        throw(SALOME_Exception(LOCALIZED("no such a hypothesis in this plugin")));
+      }
+
+      // map hypothesis creator to a hypothesis name
+      myHypCreatorMap[string(theHypName)] = aCreator;
     }
+
+    // create a new hypothesis object, store its ref. in studyContext
+    if(MYDEBUG) MESSAGE("Create Hypothesis " << theHypName);
+    myHypothesis_i =
+      myHypCreatorMap[string(theHypName)]->Create (myPoa, GetCurrentStudyID(), &myGen);
+    myHypothesis_i->SetLibName(aPlatformLibName/*theLibName*/); // for persistency assurance
+  }
   catch (SALOME_Exception& S_ex)
-    {
-      THROW_SALOME_CORBA_EXCEPTION(S_ex.what(), SALOME::BAD_PARAM);
-    }
+  {
+    THROW_SALOME_CORBA_EXCEPTION(S_ex.what(), SALOME::BAD_PARAM);
+  }
+
+  if ( aPlatformLibName )
+    delete[] aPlatformLibName;
+
+  if (!myHypothesis_i)
+    return hypothesis_i._retn();
 
   // activate the CORBA servant of hypothesis
+  hypothesis_i = SMESH::SMESH_Hypothesis::_narrow( myHypothesis_i->_this() );
+  int nextId = RegisterObject( hypothesis_i );
+  if(MYDEBUG) MESSAGE( "Add hypo to map with id = "<< nextId );  
 
-  SMESH::SMESH_Hypothesis_var hypothesis_i
-    = SMESH::SMESH_Hypothesis::_narrow(myHypothesis_i->_this());
-  return SMESH::SMESH_Hypothesis::_duplicate(hypothesis_i);
+  return hypothesis_i._retn();
 }
   
 //=============================================================================
 /*!
- *  
+ *  SMESH_Gen_i::createMesh
+ *
+ *  Create empty mesh on shape
  */
 //=============================================================================
-
-SMESH::SMESH_Mesh_ptr SMESH_Gen_i::Init(GEOM::GEOM_Gen_ptr geomEngine,
-                                        CORBA::Long studyId,
-                                        GEOM::GEOM_Shape_ptr aShape)
-  throw (SALOME::SALOME_Exception)
+SMESH::SMESH_Mesh_ptr SMESH_Gen_i::createMesh()
+     throw ( SALOME::SALOME_Exception )
 {
-  MESSAGE("Init");
-  // _narrow() duplicates the reference and checks the type
-  GEOM::GEOM_Gen_var geom = GEOM::GEOM_Gen::_narrow(geomEngine);
-  GEOM::GEOM_Shape_var myShape = GEOM::GEOM_Shape::_narrow(aShape);
-
-  if (CORBA::is_nil(geom))
-    THROW_SALOME_CORBA_EXCEPTION("bad geom reference", \
-                                 SALOME::BAD_PARAM);
-  if (CORBA::is_nil(myShape))
-    THROW_SALOME_CORBA_EXCEPTION("bad shape reference", \
-                                 SALOME::BAD_PARAM);
+  Unexpect aCatch(SALOME_SalomeException);
+  if(MYDEBUG) MESSAGE( "SMESH_Gen_i::createMesh" );
 
   // Get or create the GEOM_Client instance
+  try {
+    // create a new mesh object servant, store it in a map in study context
+    SMESH_Mesh_i* meshServant = new SMESH_Mesh_i( GetPOA(), this, GetCurrentStudyID() );
+    // create a new mesh object
+    meshServant->SetImpl( myGen.CreateMesh( GetCurrentStudyID(), myIsEmbeddedMode ));
+
+    // activate the CORBA servant of Mesh
+    SMESH::SMESH_Mesh_var mesh = SMESH::SMESH_Mesh::_narrow( meshServant->_this() );
+    int nextId = RegisterObject( mesh );
+    if(MYDEBUG) MESSAGE( "Add mesh to map with id = "<< nextId);
+    return mesh._retn();
+  }
+  catch (SALOME_Exception& S_ex) {
+    THROW_SALOME_CORBA_EXCEPTION( S_ex.what(), SALOME::BAD_PARAM );
+  }
+  return SMESH::SMESH_Mesh::_nil();
+}
 
-  SMESH_Mesh_i* meshServant = 0;
-  try
-    {
-      if (! _ShapeReader) _ShapeReader = new GEOM_Client();
-      ASSERT(_ShapeReader);
-      
-      // explore main Shape, get local TopoDS_Shapes of all subShapes
-      //  SMESH_topo* myTopo = ExploreMainShape(geom, studyId, myShape);
-      
-      // Get studyContext_i, create it if it does'nt exist
-      
-      if (_mapStudyContext_i.find(studyId) == _mapStudyContext_i.end())
-        {
-          _mapStudyContext_i[studyId] = new StudyContext_iStruct;      
-        }
-      StudyContext_iStruct* myStudyContext = _mapStudyContext_i[studyId];
-      
-      // create a new mesh object servant, store it in a map in study context
-      
-      meshServant = new SMESH_Mesh_i(this,
-                                     geom,
-                                     studyId,
-                                     _localId);
-      myStudyContext->mapMesh_i[_localId] = meshServant;
-      _localId++;
-
-      // create a new mesh object
-      
-      TopoDS_Shape myLocShape  = _ShapeReader->GetShape(geom,myShape);
-      meshServant->SetImpl(_impl.Init(studyId, myLocShape));
-    }
-  catch (SALOME_Exception& S_ex)
+//=============================================================================
+/*!
+ *  SMESH_Gen_i::GetShapeReader
+ *
+ *  Get shape reader
+ */
+//=============================================================================
+GEOM_Client* SMESH_Gen_i::GetShapeReader()
+{
+  // create shape reader if necessary
+  if ( !myShapeReader ) 
+    myShapeReader = new GEOM_Client(GetContainerRef());
+  ASSERT( myShapeReader );
+  return myShapeReader;
+}
+
+//=============================================================================
+/*!
+ *  SMESH_Gen_i::SetGeomEngine
+ *
+ *  Set GEOM::GEOM_Gen reference
+ */
+//=============================================================================
+//GEOM::GEOM_Gen_ptr SMESH_Gen_i::SetGeomEngine( const char* containerLoc )
+void SMESH_Gen_i::SetGeomEngine( GEOM::GEOM_Gen_ptr geomcompo )
+{
+  //Engines::Component_ptr temp=GetLCC()->FindOrLoad_Component(containerLoc,"GEOM");
+  //myGeomGen=GEOM::GEOM_Gen::_narrow(temp);
+  myGeomGen=GEOM::GEOM_Gen::_duplicate(geomcompo);
+  //return myGeomGen;
+}
+
+//=============================================================================
+/*!
+ *  SMESH_Gen_i::SetEmbeddedMode
+ *
+ *  Set current mode
+ */
+//=============================================================================
+
+void SMESH_Gen_i::SetEmbeddedMode( CORBA::Boolean theMode )
+{
+  myIsEmbeddedMode = theMode;
+
+  if ( !myIsEmbeddedMode ) {
+    //PAL10867: disable signals catching with "noexcepthandler" option
+    char* envNoCatchSignals = getenv("NOT_INTERCEPT_SIGNALS");
+    if (!envNoCatchSignals || !atoi(envNoCatchSignals))
     {
-      THROW_SALOME_CORBA_EXCEPTION(S_ex.what(), SALOME::BAD_PARAM);
+      bool raiseFPE;
+#ifdef _DEBUG_
+      raiseFPE = true;
+      char* envDisableFPE = getenv("DISABLE_FPE");
+      if (envDisableFPE && atoi(envDisableFPE))
+        raiseFPE = false;
+#else
+      raiseFPE = false;
+#endif
+      OSD::SetSignal( raiseFPE );
     }
+    // else OSD::SetSignal() is called in GUI
+  }
+}
 
-  // activate the CORBA servant of Mesh
-  
-  SMESH::SMESH_Mesh_var mesh
-    = SMESH::SMESH_Mesh::_narrow(meshServant->_this());
-  
-  meshServant->SetIor(mesh);
+//=============================================================================
+/*!
+ *  SMESH_Gen_i::IsEmbeddedMode
+ *
+ *  Get current mode
+ */
+//=============================================================================
 
-  return SMESH::SMESH_Mesh::_duplicate(mesh);
+CORBA::Boolean SMESH_Gen_i::IsEmbeddedMode()
+{
+  return myIsEmbeddedMode;
 }
-  
 
 //=============================================================================
 /*!
- *  
+ *  SMESH_Gen_i::SetCurrentStudy
+ *
+ *  Set current study
  */
 //=============================================================================
 
-CORBA::Boolean SMESH_Gen_i::IsReadyToCompute(SMESH::SMESH_Mesh_ptr aMesh,
-                                             GEOM::GEOM_Shape_ptr aShape)
-  throw (SALOME::SALOME_Exception)
+void SMESH_Gen_i::SetCurrentStudy( SALOMEDS::Study_ptr theStudy )
 {
-  MESSAGE("SMESH_Gen_i::IsReadyToCompute");
-  return true;
+  //if(MYDEBUG)
+  //MESSAGE( "SMESH_Gen_i::SetCurrentStudy" );
+  myCurrentStudy = SALOMEDS::Study::_duplicate( theStudy );
+  // create study context, if it doesn't exist and set current study
+  int studyId = GetCurrentStudyID();
+  if(MYDEBUG) MESSAGE( "SMESH_Gen_i::SetCurrentStudy: study Id = " << studyId );
+  if ( myStudyContextMap.find( studyId ) == myStudyContextMap.end() ) {
+    myStudyContextMap[ studyId ] = new StudyContext;      
+  }
+
+  // myCurrentStudy may be nil
+  if ( !CORBA::is_nil( myCurrentStudy ) ) {
+    SALOMEDS::StudyBuilder_var aStudyBuilder = myCurrentStudy->NewBuilder(); 
+    if( !myCurrentStudy->FindComponent( "GEOM" )->_is_nil() )
+      aStudyBuilder->LoadWith( myCurrentStudy->FindComponent( "GEOM" ), GetGeomEngine() );
+
+  // set current study for geom engine
+  //if ( !CORBA::is_nil( GetGeomEngine() ) )
+  //  GetGeomEngine()->GetCurrentStudy( myCurrentStudy->StudyId() );
+  }
 }
 
 //=============================================================================
 /*!
- *  
+ *  SMESH_Gen_i::GetCurrentStudy
+ *
+ *  Get current study
  */
 //=============================================================================
 
-  SMESH::long_array* 
-  SMESH_Gen_i::GetSubShapesId(GEOM::GEOM_Gen_ptr geomEngine,
-                              CORBA::Long studyId,
-                              GEOM::GEOM_Shape_ptr mainShape,
-                              const SMESH::shape_array& listOfSubShape)
-    throw (SALOME::SALOME_Exception)
+SALOMEDS::Study_ptr SMESH_Gen_i::GetCurrentStudy()
 {
-  MESSAGE("SMESH_Gen_i::GetSubShapesId");
-  SMESH::long_array_var shapesId = new SMESH::long_array;
-  set<int> setId;
-
-  GEOM::GEOM_Gen_var geom = GEOM::GEOM_Gen::_narrow(geomEngine);
-  GEOM::GEOM_Shape_var myShape = GEOM::GEOM_Shape::_narrow(mainShape);
+  if(MYDEBUG) MESSAGE( "SMESH_Gen_i::GetCurrentStudy: study Id = " << GetCurrentStudyID() );
+  return SALOMEDS::Study::_duplicate( myCurrentStudy );
+}
 
-  if (CORBA::is_nil(geom))
-    THROW_SALOME_CORBA_EXCEPTION("bad geom reference", \
-                                 SALOME::BAD_PARAM);
-  if (CORBA::is_nil(myShape))
-    THROW_SALOME_CORBA_EXCEPTION("bad shape reference", \
-                                 SALOME::BAD_PARAM);
+//=============================================================================
+/*!
+ *  SMESH_Gen_i::GetCurrentStudyContext 
+ *
+ *  Get current study context
+ */
+//=============================================================================
+StudyContext* SMESH_Gen_i::GetCurrentStudyContext()
+{
+  if ( !CORBA::is_nil( myCurrentStudy ) &&
+      myStudyContextMap.find( GetCurrentStudyID() ) != myStudyContextMap.end() )
+    return myStudyContextMap[ myCurrentStudy->StudyId() ];
+  else
+    return 0;
+}
 
-  try
-    {
-      if (! _ShapeReader) _ShapeReader = new GEOM_Client();
-      ASSERT(_ShapeReader);
-      TopoDS_Shape myMainShape  = _ShapeReader->GetShape(geom,myShape);
-      TopTools_IndexedMapOfShape myIndexToShape;      
-      TopExp::MapShapes(myMainShape,myIndexToShape);
+//=============================================================================
+/*!
+ *  SMESH_Gen_i::CreateHypothesis 
+ *
+ *  Create hypothesis/algorothm of given type and publish it in the study
+ */
+//=============================================================================
 
-      for (int i=0; i<listOfSubShape.length(); i++)
-       {
-         GEOM::GEOM_Shape_var aShape
-           = GEOM::GEOM_Shape::_narrow(listOfSubShape[i]);
-         if (CORBA::is_nil(aShape))
-           THROW_SALOME_CORBA_EXCEPTION("bad shape reference", \
-                                        SALOME::BAD_PARAM);
-         TopoDS_Shape locShape  = _ShapeReader->GetShape(geom,aShape);
-         for (TopExp_Explorer exp(locShape,TopAbs_FACE); exp.More(); exp.Next())
-           {
-             const TopoDS_Face& F = TopoDS::Face(exp.Current());
-             setId.insert(myIndexToShape.FindIndex(F));
-             SCRUTE(myIndexToShape.FindIndex(F));
-           }
-         for (TopExp_Explorer exp(locShape,TopAbs_EDGE); exp.More(); exp.Next())
-           {
-             const TopoDS_Edge& E = TopoDS::Edge(exp.Current());
-             setId.insert(myIndexToShape.FindIndex(E));
-             SCRUTE(myIndexToShape.FindIndex(E));
-           }
-         for (TopExp_Explorer exp(locShape,TopAbs_VERTEX); exp.More(); exp.Next())
-           {
-             const TopoDS_Vertex& V = TopoDS::Vertex(exp.Current());
-             setId.insert(myIndexToShape.FindIndex(V));
-             SCRUTE(myIndexToShape.FindIndex(V));
-           }
-       }
-      shapesId->length(setId.size());
-      set<int>::iterator iind;
-      int i=0;
-      for (iind = setId.begin(); iind != setId.end(); iind++)
-       {
-         SCRUTE((*iind));
-         shapesId[i] = (*iind);
-         SCRUTE(shapesId[i]);
-         i++;
-       }
+SMESH::SMESH_Hypothesis_ptr SMESH_Gen_i::CreateHypothesis( const char* theHypName,
+                                                           const char* theLibName )
+     throw ( SALOME::SALOME_Exception )
+{
+  Unexpect aCatch(SALOME_SalomeException);
+  // Create hypothesis/algorithm
+  SMESH::SMESH_Hypothesis_var hyp = this->createHypothesis( theHypName, theLibName );
+
+  // Publish hypothesis/algorithm in the study
+  if ( CanPublishInStudy( hyp ) ) {
+    SALOMEDS::SObject_var aSO = PublishHypothesis( myCurrentStudy, hyp );
+    if ( !aSO->_is_nil() ) {
+      // Update Python script
+      TPythonDump() << aSO << " = " << this << ".CreateHypothesis('"
+                    << theHypName << "', '" << theLibName << "')";
     }
-  catch (SALOME_Exception& S_ex)
-    {
-      THROW_SALOME_CORBA_EXCEPTION(S_ex.what(), SALOME::BAD_PARAM);
+  }
+
+  return hyp._retn();
+}
+
+//================================================================================
+/*!
+ * \brief Return hypothesis of given type holding parameter values of the existing mesh
+  * \param theHypType - hypothesis type name
+  * \param theLibName - plugin library name
+  * \param theMesh - The mesh of interest
+  * \param theGeom - The shape to get parameter values from
+  * \retval SMESH::SMESH_Hypothesis_ptr - The returned hypothesis may be the one existing
+  *    in a study and used to compute the mesh, or a temporary one created just to pass
+  *    parameter values
+ */
+//================================================================================
+
+SMESH::SMESH_Hypothesis_ptr
+SMESH_Gen_i::GetHypothesisParameterValues (const char*           theHypType,
+                                           const char*           theLibName,
+                                           SMESH::SMESH_Mesh_ptr theMesh,
+                                           GEOM::GEOM_Object_ptr theGeom)
+    throw ( SALOME::SALOME_Exception )
+{
+  Unexpect aCatch(SALOME_SalomeException);
+  if ( CORBA::is_nil( theMesh ) )
+    THROW_SALOME_CORBA_EXCEPTION( "bad Mesh reference", SALOME::BAD_PARAM );
+  if ( CORBA::is_nil( theGeom ) )
+    THROW_SALOME_CORBA_EXCEPTION( "bad shape object reference", SALOME::BAD_PARAM );
+
+  // -----------------------------------------------
+  // find hypothesis used to mesh theGeom
+  // -----------------------------------------------
+
+  // get mesh and shape
+  SMESH_Mesh_i* meshServant = SMESH::DownCast<SMESH_Mesh_i*>( theMesh );
+  TopoDS_Shape shape = GeomObjectToShape( theGeom );
+  if ( !meshServant || shape.IsNull() )
+    return SMESH::SMESH_Hypothesis::_nil();
+  ::SMESH_Mesh& mesh = meshServant->GetImpl();
+
+  if ( mesh.NbNodes() == 0 ) // empty mesh
+    return SMESH::SMESH_Hypothesis::_nil();
+
+  // create a temporary hypothesis to know its dimention
+  SMESH::SMESH_Hypothesis_var tmpHyp = this->createHypothesis( theHypType, theLibName );
+  SMESH_Hypothesis_i* hypServant = SMESH::DownCast<SMESH_Hypothesis_i*>( tmpHyp );
+  if ( !hypServant )
+    return SMESH::SMESH_Hypothesis::_nil();
+  ::SMESH_Hypothesis* hyp = hypServant->GetImpl();
+
+  // look for a hypothesis of theHypType used to mesh the shape
+  if ( myGen.GetShapeDim( shape ) == hyp->GetDim() )
+  {
+    // check local shape
+    SMESH::ListOfHypothesis_var aHypList = theMesh->GetHypothesisList( theGeom );
+    int nbLocalHyps = aHypList->length();
+    for ( int i = 0; i < nbLocalHyps; i++ )
+      if ( strcmp( theHypType, aHypList[i]->GetName() ) == 0 ) // FOUND local!
+        return SMESH::SMESH_Hypothesis::_duplicate( aHypList[i] );
+    // check super shapes
+    TopTools_ListIteratorOfListOfShape itShape( mesh.GetAncestors( shape ));
+    while ( nbLocalHyps == 0 && itShape.More() ) {
+      GEOM::GEOM_Object_ptr geomObj = ShapeToGeomObject( itShape.Value() );
+      if ( ! CORBA::is_nil( geomObj )) {
+        SMESH::ListOfHypothesis_var aHypList = theMesh->GetHypothesisList( geomObj );
+        nbLocalHyps = aHypList->length();
+        for ( int i = 0; i < nbLocalHyps; i++ )
+          if ( strcmp( theHypType, aHypList[i]->GetName() ) == 0 ) // FOUND global!
+            return SMESH::SMESH_Hypothesis::_duplicate( aHypList[i] );
+      }
+      itShape.Next();
     }
+  }
 
-  return shapesId._retn();
+  // let the temporary hypothesis find out some how parameter values
+  if ( hyp->SetParametersByMesh( &mesh, shape ))
+    return SMESH::SMESH_Hypothesis::_duplicate( tmpHyp );
+    
+  return SMESH::SMESH_Hypothesis::_nil();
 }
 
 //=============================================================================
 /*!
- *  
+ *  SMESH_Gen_i::CreateMesh
+ *
+ *  Create empty mesh on a shape and publish it in the study
  */
 //=============================================================================
 
-CORBA::Boolean SMESH_Gen_i::Compute(SMESH::SMESH_Mesh_ptr aMesh,
-                                    GEOM::GEOM_Shape_ptr aShape)
-  throw (SALOME::SALOME_Exception)
+SMESH::SMESH_Mesh_ptr SMESH_Gen_i::CreateMesh( GEOM::GEOM_Object_ptr theShapeObject )
+     throw ( SALOME::SALOME_Exception )
 {
-  MESSAGE("SMESH_Gen_i::Compute");
-  GEOM::GEOM_Shape_var myShape = GEOM::GEOM_Shape::_narrow(aShape);
-  if (CORBA::is_nil(myShape))
-    THROW_SALOME_CORBA_EXCEPTION("bad shape reference", \
-                                 SALOME::BAD_PARAM);
-
-  SMESH::SMESH_Mesh_var myMesh = SMESH::SMESH_Mesh::_narrow(aMesh);
-  if (CORBA::is_nil(myMesh))
-    THROW_SALOME_CORBA_EXCEPTION("bad Mesh reference", \
-                                 SALOME::BAD_PARAM);
-
-  bool ret = false;
-  try
-    {
-      
-      // get study context from studyId given by CORBA mesh object
-      
-      int studyId = myMesh->GetStudyId();
-      ASSERT(_mapStudyContext_i.find(studyId) != _mapStudyContext_i.end());
-      StudyContext_iStruct* myStudyContext = _mapStudyContext_i[studyId];
-      
-      // get local Mesh_i object with Id and study context 
-      
-      int meshId = myMesh->GetId();
-      ASSERT(myStudyContext->mapMesh_i.find(meshId) != myStudyContext->mapMesh_i.end());
-      SMESH_Mesh_i* meshServant = myStudyContext->mapMesh_i[meshId];
-      ASSERT(meshServant);
-      
-      // get local TopoDS_Shape
-      
-      GEOM::GEOM_Gen_var geom = meshServant->GetGeomEngine();
-      TopoDS_Shape myLocShape  = _ShapeReader->GetShape(geom,myShape);
-
-      // implementation compute
-      
-      ::SMESH_Mesh& myLocMesh = meshServant->GetImpl();
-      ret = _impl.Compute(myLocMesh, myLocShape);
-    }
-  catch (SALOME_Exception& S_ex)
-    {
-      MESSAGE("catch exception "<< S_ex.what());
-      return false;
-//       THROW_SALOME_CORBA_EXCEPTION(S_ex.what(), SALOME::BAD_PARAM);
+  Unexpect aCatch(SALOME_SalomeException);
+  if(MYDEBUG) MESSAGE( "SMESH_Gen_i::CreateMesh" );
+  // create mesh
+  SMESH::SMESH_Mesh_var mesh = this->createMesh();
+  // set shape
+  SMESH_Mesh_i* meshServant = SMESH::DownCast<SMESH_Mesh_i*>( mesh );
+  ASSERT( meshServant );
+  meshServant->SetShape( theShapeObject );
+
+  // publish mesh in the study
+  if ( CanPublishInStudy( mesh ) ) {
+    SALOMEDS::StudyBuilder_var aStudyBuilder = myCurrentStudy->NewBuilder();
+    aStudyBuilder->NewCommand();  // There is a transaction
+    SALOMEDS::SObject_var aSO = PublishMesh( myCurrentStudy, mesh.in() );
+    aStudyBuilder->CommitCommand();
+    if ( !aSO->_is_nil() ) {
+      // Update Python script
+      TPythonDump() << aSO << " = " << this << ".CreateMesh(" << theShapeObject << ")";
     }
+  }
 
-  return ret;
+  return mesh._retn();
 }
 
-
 //=============================================================================
 /*!
- *  
+ *  SMESH_Gen_i::CreateEmptyMesh
+ *
+ *  Create empty mesh
  */
 //=============================================================================
 
-SALOMEDS::TMPFile* SMESH_Gen_i::Save(SALOMEDS::SComponent_ptr theComponent,
-                                    const char* theURL,
-                                    bool isMultiFile)
+SMESH::SMESH_Mesh_ptr SMESH_Gen_i::CreateEmptyMesh()
+     throw ( SALOME::SALOME_Exception )
 {
-  MESSAGE("SMESH_Gen_i::SAVE");
-  SALOMEDS::Study_var Study = theComponent->GetStudy(); 
-  int studyId;
-  
-  // Declare a byte stream
-  SALOMEDS::TMPFile_var aStreamFile;
-  
-  // Obtain a temporary dir
-  TCollection_AsciiString tmpDir = (isMultiFile)?TCollection_AsciiString((char*)theURL):SALOMEDS_Tool::GetTmpDir();
+  Unexpect aCatch(SALOME_SalomeException);
+  if(MYDEBUG) MESSAGE( "SMESH_Gen_i::CreateMesh" );
+  // create mesh
+  SMESH::SMESH_Mesh_var mesh = this->createMesh();
+
+  // publish mesh in the study
+  if ( CanPublishInStudy( mesh ) ) {
+    SALOMEDS::StudyBuilder_var aStudyBuilder = myCurrentStudy->NewBuilder();
+    aStudyBuilder->NewCommand();  // There is a transaction
+    SALOMEDS::SObject_var aSO = PublishMesh( myCurrentStudy, mesh.in() );
+    aStudyBuilder->CommitCommand();
+    if ( !aSO->_is_nil() ) {
+      // Update Python script
+      TPythonDump() << aSO << " = " << this << ".CreateEmptyMesh()";
+    }
+  }
 
-  // Create a sequence of files processed
-  SALOMEDS::ListOfFileNames_var aFileSeq = new SALOMEDS::ListOfFileNames;
-  aFileSeq->length(NUM_TMP_FILES);
+  return mesh._retn();
+}
 
-  TCollection_AsciiString aStudyName("");
+//=============================================================================
+/*!
+ *  SMESH_Gen_i::CreateMeshFromUNV
+ *
+ *  Create mesh and import data from UNV file
+ */
+//=============================================================================
 
-  // Set names of temporary files
-  TCollection_AsciiString filename = aStudyName + TCollection_AsciiString("_SMESH.hdf");
-  TCollection_AsciiString hypofile = aStudyName + TCollection_AsciiString("_SMESH_Hypo.txt");
-  TCollection_AsciiString algofile = aStudyName + TCollection_AsciiString("_SMESH_Algo.txt");
-  TCollection_AsciiString meshfile = aStudyName + TCollection_AsciiString("_SMESH_Mesh.med");
-  aFileSeq[0] = CORBA::string_dup(filename.ToCString());
-  aFileSeq[1] = CORBA::string_dup(hypofile.ToCString());
-  aFileSeq[2] = CORBA::string_dup(algofile.ToCString());
-  aFileSeq[3] = CORBA::string_dup(meshfile.ToCString());
-  filename = tmpDir + filename;
-  hypofile = tmpDir + hypofile;
-  algofile = tmpDir + algofile;
-  meshfile = tmpDir + meshfile;
+SMESH::SMESH_Mesh_ptr SMESH_Gen_i::CreateMeshesFromUNV( const char* theFileName )
+  throw ( SALOME::SALOME_Exception )
+{
+  Unexpect aCatch(SALOME_SalomeException);
+  if(MYDEBUG) MESSAGE( "SMESH_Gen_i::CreateMeshesFromUNV" );
+
+  SMESH::SMESH_Mesh_var aMesh = createMesh();
+  string aFileName;
+  // publish mesh in the study
+  if ( CanPublishInStudy( aMesh ) ) {
+    SALOMEDS::StudyBuilder_var aStudyBuilder = myCurrentStudy->NewBuilder();
+    aStudyBuilder->NewCommand();  // There is a transaction
+    SALOMEDS::SObject_var aSO = PublishMesh( myCurrentStudy, aMesh.in(), aFileName.c_str() );
+    aStudyBuilder->CommitCommand();
+    if ( !aSO->_is_nil() ) {
+      // Update Python script
+      TPythonDump() << aSO << " = smeshgen.CreateMeshesFromUNV('" << theFileName << "')";
+    }
+  }
 
-  HDFfile * hdf_file;
-  map <int,HDFgroup*> hdf_group, hdf_subgroup;
-  map <int,HDFdataset*> hdf_dataset;
-  FILE* destFile;
-
-  SALOMEDS::ChildIterator_var itBig,it,itSM;
-  SALOMEDS::SObject_var mySObject,myBranch,mySObjectChild;
-  hdf_size size[1];
-  int longueur,cmpt_ds = 0,cmpt_it;
-  char *name_group,name_dataset[30],name_meshgroup[30];
-  bool ok,_found;
-  int cmpt_sm = 0, myTag;
-
-//************* HDF file creation
-  hdf_file = new HDFfile(filename.ToCString());
-  hdf_file->CreateOnDisk();
-//****************************
-
-  itBig = Study->NewChildIterator(theComponent);
-  for (; itBig->More();itBig->Next()) {
-    SALOMEDS::SObject_var gotBranch = itBig->Value();
+  SMESH_Mesh_i* aServant = dynamic_cast<SMESH_Mesh_i*>( GetServant( aMesh ).in() );
+  ASSERT( aServant );
+  aServant->ImportUNVFile( theFileName );
 
-//************branch 1 : hypothesis
-    if (gotBranch->Tag()==Tag_HypothesisRoot) { //hypothesis = tag 1
-
-      double length,maxElementsArea,maxElementsVolume;
-      int numberOfSegments;
-
-      destFile = fopen( hypofile.ToCString() ,"w");
-      it = Study->NewChildIterator(gotBranch);
-      for (; it->More();it->Next()) {
-        mySObject = it->Value();
-        SALOMEDS::GenericAttribute_var anAttr;
-        SALOMEDS::AttributeIOR_var anIOR;
-        if ( mySObject->FindAttribute(anAttr, "AttributeIOR")) {
-          anIOR = SALOMEDS::AttributeIOR::_narrow(anAttr);
-
-          SMESH::SMESH_Hypothesis_var myHyp = SMESH::SMESH_Hypothesis::_narrow(_orb->string_to_object(anIOR->Value()));
-          fprintf(destFile,"%s\n",myHyp->GetName());
-          
-          if (strcmp(myHyp->GetName(),"LocalLength")==0) {
-            SMESH::SMESH_LocalLength_var LL = SMESH::SMESH_LocalLength::_narrow( myHyp );
-            length = LL->GetLength();
-            fprintf(destFile,"%f\n",length);
-          }
-          else if (strcmp(myHyp->GetName(),"NumberOfSegments")==0) {
-            SMESH::SMESH_NumberOfSegments_var NOS = SMESH::SMESH_NumberOfSegments::_narrow( myHyp );
-            numberOfSegments = NOS->GetNumberOfSegments();
-            fprintf(destFile,"%d\n",numberOfSegments);
-          }
-          else if (strcmp(myHyp->GetName(),"MaxElementArea")==0) {
-            SMESH::SMESH_MaxElementArea_var MEA = SMESH::SMESH_MaxElementArea::_narrow( myHyp );
-            maxElementsArea = MEA->GetMaxElementArea();
-            fprintf(destFile,"%f\n",maxElementsArea);
-          }
-          else if (strcmp(myHyp->GetName(),"MaxElementVolume")==0) {
-            SMESH::SMESH_MaxElementVolume_var MEV = SMESH::SMESH_MaxElementVolume::_narrow( myHyp );
-            maxElementsVolume = MEV->GetMaxElementVolume();
-            fprintf(destFile,"%f\n",maxElementsVolume);
-          }
-        }
-      }
-      fclose(destFile);
+  // Dump creation of groups
+  aServant->GetGroups();
 
-//writes the file name in the hdf file
-      longueur = hypofile.Length() +1;
-      name_group="Hypothesis";
-      //SCRUTE(name_group);
-      
-      size[0]=longueur;
-      hdf_group[1] = new HDFgroup(name_group,hdf_file);
-      hdf_group[1]->CreateOnDisk();
-      
-      hdf_dataset[cmpt_ds]=new HDFdataset(name_group,hdf_group[1],HDF_STRING,size,1);
-      hdf_dataset[cmpt_ds]->CreateOnDisk();
-      hdf_dataset[cmpt_ds]->WriteOnDisk(hypofile.ToCString());
-      hdf_dataset[cmpt_ds]->CloseOnDisk();
-      cmpt_ds++;
+  return aMesh._retn();
+}
+
+//=============================================================================
+/*!
+ *  SMESH_Gen_i::CreateMeshFromMED
+ *
+ *  Create mesh and import data from MED file
+ */
+//=============================================================================
+
+SMESH::mesh_array* SMESH_Gen_i::CreateMeshesFromMED( const char* theFileName,
+                                                     SMESH::DriverMED_ReadStatus& theStatus)
+     throw ( SALOME::SALOME_Exception )
+{
+  Unexpect aCatch(SALOME_SalomeException);
+  if(MYDEBUG) MESSAGE( "SMESH_Gen_i::CreateMeshFromMED" );
+
+  // Retrieve mesh names from the file
+  DriverMED_R_SMESHDS_Mesh myReader;
+  myReader.SetFile( theFileName );
+  myReader.SetMeshId( -1 );
+  Driver_Mesh::Status aStatus;
+  list<string> aNames = myReader.GetMeshNames(aStatus);
+  SMESH::mesh_array_var aResult = new SMESH::mesh_array();
+  theStatus = (SMESH::DriverMED_ReadStatus)aStatus;
+
+  { // open a new scope to make aPythonDump die before PythonDump in SMESH_Mesh::GetGroups()
+
+  // Python Dump
+  TPythonDump aPythonDump;
+  aPythonDump << "([";
+  //TCollection_AsciiString aStr ("([");
+
+  if (theStatus == SMESH::DRS_OK) {
+    SALOMEDS::StudyBuilder_var aStudyBuilder = myCurrentStudy->NewBuilder();
+    aStudyBuilder->NewCommand();  // There is a transaction
+    aResult->length( aNames.size() );
+    int i = 0;
+    
+    // Iterate through all meshes and create mesh objects
+    for ( list<string>::iterator it = aNames.begin(); it != aNames.end(); it++ ) {
+      // Python Dump
+      //if (i > 0) aStr += ", ";
+      if (i > 0) aPythonDump << ", ";
+
+      // create mesh
+      SMESH::SMESH_Mesh_var mesh = createMesh();
       
-      hdf_group[1]->CloseOnDisk();
-      MESSAGE("End of Hypothesis Save");
+      // publish mesh in the study
+      SALOMEDS::SObject_var aSO;
+      if ( CanPublishInStudy( mesh ) )
+        aSO = PublishMesh( myCurrentStudy, mesh.in(), (*it).c_str() );
+      if ( !aSO->_is_nil() ) {
+        // Python Dump
+        aPythonDump << aSO;
+        //aStr += aSO->GetID();
+      } else {
+        // Python Dump
+        aPythonDump << "mesh_" << i;
+//         aStr += "mesh_";
+//         aStr += TCollection_AsciiString(i);
+      }
+
+      // Read mesh data (groups are published automatically by ImportMEDFile())
+      SMESH_Mesh_i* meshServant = dynamic_cast<SMESH_Mesh_i*>( GetServant( mesh ).in() );
+      ASSERT( meshServant );
+      SMESH::DriverMED_ReadStatus status1 =
+       meshServant->ImportMEDFile( theFileName, (*it).c_str() );
+      if (status1 > theStatus)
+       theStatus = status1;
+
+      aResult[i++] = SMESH::SMESH_Mesh::_duplicate( mesh );
+    }
+    aStudyBuilder->CommitCommand();
+  }
+
+  // Update Python script
+  aPythonDump << "], status) = " << this << ".CreateMeshesFromMED('" << theFileName << "')";
+  }
+  // Dump creation of groups
+  for ( int i = 0; i < aResult->length(); ++i )
+    aResult[ i ]->GetGroups();
+
+  return aResult._retn();
+}
+
+//=============================================================================
+/*!
+ *  SMESH_Gen_i::CreateMeshFromSTL
+ *
+ *  Create mesh and import data from STL file
+ */
+//=============================================================================
+
+SMESH::SMESH_Mesh_ptr SMESH_Gen_i::CreateMeshesFromSTL( const char* theFileName )
+  throw ( SALOME::SALOME_Exception )
+{
+  Unexpect aCatch(SALOME_SalomeException);
+  if(MYDEBUG) MESSAGE( "SMESH_Gen_i::CreateMeshesFromSTL" );
+
+  SMESH::SMESH_Mesh_var aMesh = createMesh();
+  string aFileName;
+  // publish mesh in the study
+  if ( CanPublishInStudy( aMesh ) ) {
+    SALOMEDS::StudyBuilder_var aStudyBuilder = myCurrentStudy->NewBuilder();
+    aStudyBuilder->NewCommand();  // There is a transaction
+    SALOMEDS::SObject_var aSO = PublishInStudy
+      ( myCurrentStudy, SALOMEDS::SObject::_nil(), aMesh.in(), aFileName.c_str() );
+    aStudyBuilder->CommitCommand();
+    if ( !aSO->_is_nil() ) {
+      // Update Python script
+      TPythonDump() << aSO << " = " << this << ".CreateMeshesFromSTL('" << theFileName << "')";
+    }
+  }
+
+  SMESH_Mesh_i* aServant = dynamic_cast<SMESH_Mesh_i*>( GetServant( aMesh ).in() );
+  ASSERT( aServant );
+  aServant->ImportSTLFile( theFileName );
+  return aMesh._retn();
+}
+
+//=============================================================================
+/*!
+ *  SMESH_Gen_i::IsReadyToCompute
+ *
+ *  Returns true if mesh contains enough data to be computed
+ */
+//=============================================================================
+
+CORBA::Boolean SMESH_Gen_i::IsReadyToCompute( SMESH::SMESH_Mesh_ptr theMesh,
+                                              GEOM::GEOM_Object_ptr theShapeObject )
+  throw ( SALOME::SALOME_Exception )
+{
+  Unexpect aCatch(SALOME_SalomeException);
+  if(MYDEBUG) MESSAGE( "SMESH_Gen_i::IsReadyToCompute" );
+
+  if ( CORBA::is_nil( theShapeObject ) )
+    THROW_SALOME_CORBA_EXCEPTION( "bad shape object reference", 
+                                  SALOME::BAD_PARAM );
+
+  if ( CORBA::is_nil( theMesh ) )
+    THROW_SALOME_CORBA_EXCEPTION( "bad Mesh reference",
+                                  SALOME::BAD_PARAM );
+
+  try {
+    // get mesh servant
+    SMESH_Mesh_i* meshServant = dynamic_cast<SMESH_Mesh_i*>( GetServant( theMesh ).in() );
+    ASSERT( meshServant );
+    if ( meshServant ) {
+      // get local TopoDS_Shape
+      TopoDS_Shape myLocShape = GeomObjectToShape( theShapeObject );
+      // call implementation
+      ::SMESH_Mesh& myLocMesh = meshServant->GetImpl();
+      return myGen.CheckAlgoState( myLocMesh, myLocShape );
+    }
+  }
+  catch ( SALOME_Exception& S_ex ) {
+    INFOS( "catch exception "<< S_ex.what() );
+  }
+  return false;
+}
 
+//================================================================================
+/*!
+ * \brief  Find SObject for an algo
+ */
+//================================================================================
+
+SALOMEDS::SObject_ptr SMESH_Gen_i::GetAlgoSO(const ::SMESH_Algo* algo)
+{
+  if ( algo ) {
+    if ( !myCurrentStudy->_is_nil() ) {
+      // find algo in the study
+      SALOMEDS::SComponent_var father = SALOMEDS::SComponent::_narrow
+        ( myCurrentStudy->FindComponent( ComponentDataType() ) );
+      if ( !father->_is_nil() ) {
+        SALOMEDS::ChildIterator_var itBig = myCurrentStudy->NewChildIterator( father );
+        for ( ; itBig->More(); itBig->Next() ) {
+          SALOMEDS::SObject_var gotBranch = itBig->Value();
+          if ( gotBranch->Tag() == GetAlgorithmsRootTag() ) {
+            SALOMEDS::ChildIterator_var algoIt = myCurrentStudy->NewChildIterator( gotBranch );
+            for ( ; algoIt->More(); algoIt->Next() ) {
+              SALOMEDS::SObject_var algoSO = algoIt->Value();
+              CORBA::Object_var     algoIOR = SObjectToObject( algoSO );
+              if ( !CORBA::is_nil( algoIOR )) {
+                SMESH_Hypothesis_i* impl = SMESH::DownCast<SMESH_Hypothesis_i*>( algoIOR );
+                if ( impl && impl->GetImpl() == algo )
+                  return algoSO._retn();
+              }
+            } // loop on algo SO's
+            break;
+          } // if algo tag
+        } // SMESH component iterator
+      }
     }
-//************branch 2 : algorithms
-    else if (gotBranch->Tag()==Tag_AlgorithmsRoot) {//algos = tag 2
+  }
+  return SALOMEDS::SObject::_nil();
+}
+
+//================================================================================
+/*!
+ * \brief Return errors of mesh computation
+ */
+//================================================================================
+
+SMESH::compute_error_array* SMESH_Gen_i::GetComputeErrors( SMESH::SMESH_Mesh_ptr theMesh, 
+                                                           GEOM::GEOM_Object_ptr theSubObject )
+  throw ( SALOME::SALOME_Exception )
+{
+  Unexpect aCatch(SALOME_SalomeException);
+  if(MYDEBUG) MESSAGE( "SMESH_Gen_i::GetComputeErrors()" );
+
+  if ( CORBA::is_nil( theSubObject ) && theMesh->HasShapeToMesh())
+    THROW_SALOME_CORBA_EXCEPTION( "bad shape object reference", SALOME::BAD_PARAM );
+
+  if ( CORBA::is_nil( theMesh ) )
+    THROW_SALOME_CORBA_EXCEPTION( "bad Mesh reference",SALOME::BAD_PARAM );
+
+  SMESH::compute_error_array_var error_array = new SMESH::compute_error_array;
+  try {
+    if ( SMESH_Mesh_i* meshServant = SMESH::DownCast<SMESH_Mesh_i*>( theMesh ))
+    {
+      TopoDS_Shape shape;
+      if(theMesh->HasShapeToMesh())
+        shape = GeomObjectToShape( theSubObject );
+      else
+        shape = SMESH_Mesh::PseudoShape();
       
-      destFile = fopen( algofile.ToCString() ,"w");
-      it = Study->NewChildIterator(gotBranch);
-      for (; it->More();it->Next()) {
-        mySObject = it->Value();
-        SALOMEDS::GenericAttribute_var anAttr;
-        SALOMEDS::AttributeIOR_var anIOR;
-        if (mySObject->FindAttribute(anAttr, "AttributeIOR")) {
-          anIOR = SALOMEDS::AttributeIOR::_narrow(anAttr);
-          SMESH::SMESH_Algo_var myAlgo = SMESH::SMESH_Algo::_narrow(_orb->string_to_object(anIOR->Value()));
-          fprintf(destFile,"%s\n",myAlgo->GetName());
+      ::SMESH_Mesh& mesh = meshServant->GetImpl();
+
+      error_array->length( mesh.GetMeshDS()->MaxShapeIndex() );
+      int nbErr = 0;
+
+      SMESH_subMesh *sm = mesh.GetSubMesh(shape);
+      const bool includeSelf = true, complexShapeFirst = true;
+      SMESH_subMeshIteratorPtr smIt = sm->getDependsOnIterator(includeSelf,
+                                                               complexShapeFirst);
+      while ( smIt->more() )
+      {
+        sm = smIt->next();
+        if ( sm->GetSubShape().ShapeType() == TopAbs_VERTEX )
+          break;
+        SMESH_ComputeErrorPtr error = sm->GetComputeError();
+        if ( error && !error->IsOK() && error->myAlgo )
+        {
+          SMESH::ComputeError & errStruct = error_array[ nbErr++ ];
+          errStruct.code       = -( error->myName < 0 ? error->myName + 1: error->myName ); // -1 -> 0
+          errStruct.comment    = error->myComment.c_str();
+          errStruct.subShapeID = sm->GetId();
+          SALOMEDS::SObject_var algoSO = GetAlgoSO( error->myAlgo );
+          if ( !algoSO->_is_nil() )
+            errStruct.algoName   = algoSO->GetName();
+          else
+            errStruct.algoName   = error->myAlgo->GetName();
         }
       }
-    
-      fclose(destFile);
-  
-//writes the file name in the hdf file
-      longueur = algofile.Length() +1;
-      name_group="Algorithms";
-      //SCRUTE(name_group);
-      
-      size[0]=longueur;
-      hdf_group[2] = new HDFgroup(name_group,hdf_file);
-      hdf_group[2]->CreateOnDisk();
-      
-      hdf_dataset[cmpt_ds]=new HDFdataset(name_group,hdf_group[2],HDF_STRING,size,1);
-      hdf_dataset[cmpt_ds]->CreateOnDisk();
-      hdf_dataset[cmpt_ds]->WriteOnDisk(algofile.ToCString());
-      hdf_dataset[cmpt_ds]->CloseOnDisk();
-      cmpt_ds++;
-      
-      hdf_group[2]->CloseOnDisk();
-      MESSAGE("End of Algos Save");
+      error_array->length( nbErr );
+    }
+  }
+  catch ( SALOME_Exception& S_ex ) {
+    INFOS( "catch exception "<< S_ex.what() );
+  }
+
+  return error_array._retn();
+}
 
+//================================================================================
+/*!
+ * \brief Returns errors of hypotheses definintion
+  * \param theMesh - the mesh
+  * \param theSubObject - the main or sub- shape
+  * \retval SMESH::algo_error_array* - sequence of errors
+ */
+//================================================================================
+
+SMESH::algo_error_array* SMESH_Gen_i::GetAlgoState( SMESH::SMESH_Mesh_ptr theMesh, 
+                                                    GEOM::GEOM_Object_ptr theSubObject )
+      throw ( SALOME::SALOME_Exception )
+{
+  Unexpect aCatch(SALOME_SalomeException);
+  if(MYDEBUG) MESSAGE( "SMESH_Gen_i::GetAlgoState()" );
+
+  if ( CORBA::is_nil( theSubObject ) && theMesh->HasShapeToMesh())
+    THROW_SALOME_CORBA_EXCEPTION( "bad shape object reference", SALOME::BAD_PARAM );
+
+  if ( CORBA::is_nil( theMesh ) )
+    THROW_SALOME_CORBA_EXCEPTION( "bad Mesh reference",SALOME::BAD_PARAM );
+
+  SMESH::algo_error_array_var error_array = new SMESH::algo_error_array;
+  try {
+    SMESH_Mesh_i* meshServant = SMESH::DownCast<SMESH_Mesh_i*>( theMesh );
+    ASSERT( meshServant );
+    if ( meshServant ) {
+      TopoDS_Shape myLocShape;
+      if(theMesh->HasShapeToMesh())
+        myLocShape = GeomObjectToShape( theSubObject );
+      else
+        myLocShape = SMESH_Mesh::PseudoShape();
+      
+      ::SMESH_Mesh& myLocMesh = meshServant->GetImpl();
+      list< ::SMESH_Gen::TAlgoStateError > error_list;
+      list< ::SMESH_Gen::TAlgoStateError >::iterator error;
+      // call ::SMESH_Gen::GetAlgoState()
+      myGen.GetAlgoState( myLocMesh, myLocShape, error_list );
+      error_array->length( error_list.size() );
+      int i = 0;
+      for ( error = error_list.begin(); error != error_list.end(); ++error )
+      {
+        // fill AlgoStateError structure
+        SMESH::AlgoStateError & errStruct = error_array[ i++ ];
+        errStruct.state        = SMESH_Mesh_i::ConvertHypothesisStatus( error->_name );
+        errStruct.algoDim      = error->_algoDim;
+        errStruct.isGlobalAlgo = error->_isGlobalAlgo;
+        errStruct.algoName     = "";
+        SALOMEDS::SObject_var algoSO = GetAlgoSO( error->_algo );
+        if ( !algoSO->_is_nil() )
+          errStruct.algoName   = algoSO->GetName();
+      }
     }
-//************branch 3 : meshes
-    else if (gotBranch->Tag()>=3) {//meshes = tag > 3
-
-      SALOMEDS::GenericAttribute_var anAttr;
-      SALOMEDS::AttributeIOR_var anIOR;
-      if (gotBranch->FindAttribute(anAttr, "AttributeIOR")) {
-        anIOR = SALOMEDS::AttributeIOR::_narrow(anAttr);
-       
-       SMESH::SMESH_Mesh_var myMesh =  SMESH::SMESH_Mesh::_narrow(_orb->string_to_object(anIOR->Value())) ;
-       studyId = myMesh->GetStudyId();
-       SCRUTE(studyId);
-       
-       StudyContext_iStruct* myStudyContext = _mapStudyContext_i[studyId];
-       int meshId = myMesh->GetId();
-       SMESH_Mesh_i* meshServant = myStudyContext->mapMesh_i[meshId];
-       ::SMESH_Mesh& myLocMesh = meshServant->GetImpl();
-       SMESHDS_Mesh* mySMESHDSMesh = myLocMesh.GetMeshDS();
-       
-       SCRUTE(mySMESHDSMesh->NbNodes());
-       if (mySMESHDSMesh->NbNodes()>0) {//checks if the mesh is not empty
-         
-         DriverMED_W_SMESHDS_Mesh* myWriter = new DriverMED_W_SMESHDS_Mesh;
-         myWriter->SetFile(meshfile.ToCString());
-         
-         myWriter->SetMesh(mySMESHDSMesh);
-         myWriter->SetMeshId(gotBranch->Tag());
-         myWriter->Add();
-       }
-       else meshfile = "No data";
-       
-       //********** opening of the HDF group
-       sprintf(name_meshgroup,"Mesh %d",gotBranch->Tag());
-       SCRUTE(name_meshgroup);
-       hdf_group[gotBranch->Tag()] = new HDFgroup(name_meshgroup,hdf_file);
-       hdf_group[gotBranch->Tag()]->CreateOnDisk();
-       //********** 
-       
-       //********** file where the data are stored
-       longueur = strlen(meshfile.ToCString()) +1;
-       size[0]=longueur;
-       strcpy(name_dataset,"Mesh data");
-       hdf_dataset[cmpt_ds]=new HDFdataset(name_dataset,hdf_group[gotBranch->Tag()],HDF_STRING,size,1);
-       hdf_dataset[cmpt_ds]->CreateOnDisk();
-       hdf_dataset[cmpt_ds]->WriteOnDisk(meshfile.ToCString());
-       hdf_dataset[cmpt_ds]->CloseOnDisk();
-       cmpt_ds++;
-       //********** 
-       
-       //********** ref on shape
-       Standard_CString  myRefOnObject="" ;
-       SALOMEDS::SObject_var myRef,myShape;
-       _found = gotBranch->FindSubObject(Tag_RefOnShape,myRef);
-       if (_found) {
-         ok = myRef->ReferencedObject(myShape);
-         myRefOnObject = myShape->GetID();
-         SCRUTE(myRefOnObject);
-         
-         longueur = strlen(myRefOnObject) +1;
-         if (longueur>1) {
-           size[0]=longueur;
-           strcpy(name_dataset,"Ref on shape");
-           hdf_dataset[cmpt_ds]=new HDFdataset(name_dataset,hdf_group[gotBranch->Tag()],HDF_STRING,size,1);
-           hdf_dataset[cmpt_ds]->CreateOnDisk();
-           hdf_dataset[cmpt_ds]->WriteOnDisk(myRefOnObject);
-           hdf_dataset[cmpt_ds]->CloseOnDisk();
-           cmpt_ds++;
-           
-         }
-       }
-       //********** 
-       
-       //********** ref on applied hypothesis
-       _found = gotBranch->FindSubObject(Tag_RefOnAppliedHypothesis,myBranch);
-       if (_found) {
-         
-         strcpy(name_meshgroup,"Applied Hypothesis");
-         hdf_subgroup[Tag_RefOnAppliedHypothesis] = new HDFgroup(name_meshgroup,hdf_group[gotBranch->Tag()]);
-         hdf_subgroup[Tag_RefOnAppliedHypothesis]->CreateOnDisk();
-         
-         it = Study->NewChildIterator(myBranch);
-         cmpt_it = 0;
-         for (; it->More();it->Next()) {
-           mySObject = it->Value();
-           ok = mySObject->ReferencedObject(myRef);
-           myRefOnObject = myRef->GetID();
-           
-           longueur = strlen(myRefOnObject) +1;
-           if (longueur>1) {
-             size[0]=longueur;
-             sprintf(name_dataset,"Hyp %d",cmpt_it);
-             hdf_dataset[cmpt_ds]=new HDFdataset(name_dataset,hdf_subgroup[Tag_RefOnAppliedHypothesis],HDF_STRING,size,1);
-             hdf_dataset[cmpt_ds]->CreateOnDisk();
-             hdf_dataset[cmpt_ds]->WriteOnDisk(myRefOnObject);
-             hdf_dataset[cmpt_ds]->CloseOnDisk();
+  }
+  catch ( SALOME_Exception& S_ex ) {
+    INFOS( "catch exception "<< S_ex.what() );
+  }
+  return error_array._retn();
+}
+
+//=============================================================================
+/*!
+ *  SMESH_Gen_i::GetSubShapesId
+ *
+ *  Get sub-shapes unique ID's list
+ */
+//=============================================================================
+
+SMESH::long_array* SMESH_Gen_i::GetSubShapesId( GEOM::GEOM_Object_ptr theMainShapeObject,
+                                           const SMESH::object_array& theListOfSubShapeObject )
+     throw ( SALOME::SALOME_Exception )
+{
+  Unexpect aCatch(SALOME_SalomeException);
+  if(MYDEBUG) MESSAGE( "SMESH_Gen_i::GetSubShapesId" );
+
+  SMESH::long_array_var shapesId = new SMESH::long_array;
+  set<int> setId;
+
+  if ( CORBA::is_nil( theMainShapeObject ) )
+    THROW_SALOME_CORBA_EXCEPTION( "bad shape object reference",
+                                  SALOME::BAD_PARAM );
+
+  try
+    {
+      TopoDS_Shape myMainShape = GeomObjectToShape(theMainShapeObject);
+      TopTools_IndexedMapOfShape myIndexToShape;      
+      TopExp::MapShapes(myMainShape,myIndexToShape);
+
+      for ( int i = 0; i < theListOfSubShapeObject.length(); i++ )
+       {
+         GEOM::GEOM_Object_var aShapeObject
+           = GEOM::GEOM_Object::_narrow(theListOfSubShapeObject[i]);
+         if ( CORBA::is_nil( aShapeObject ) )
+           THROW_SALOME_CORBA_EXCEPTION ("bad shape object reference", \
+                                       SALOME::BAD_PARAM );
+
+         TopoDS_Shape locShape  = GeomObjectToShape(aShapeObject);
+         for (TopExp_Explorer exp(locShape,TopAbs_FACE); exp.More(); exp.Next())
+           {
+             const TopoDS_Face& F = TopoDS::Face(exp.Current());
+             setId.insert(myIndexToShape.FindIndex(F));
+             if(MYDEBUG) SCRUTE(myIndexToShape.FindIndex(F));
            }
-           cmpt_ds++;
-           cmpt_it++;
-         }
-         hdf_subgroup[Tag_RefOnAppliedHypothesis]->CloseOnDisk();
-       }
-       //********** 
-       
-       //********** ref on applied algorithms
-       _found = gotBranch->FindSubObject(Tag_RefOnAppliedAlgorithms,myBranch);
-       if (_found) {
-         
-         strcpy(name_meshgroup,"Applied Algorithms");
-         hdf_subgroup[Tag_RefOnAppliedAlgorithms] = new HDFgroup(name_meshgroup,hdf_group[gotBranch->Tag()]);
-         hdf_subgroup[Tag_RefOnAppliedAlgorithms]->CreateOnDisk();
-         
-         it = Study->NewChildIterator(myBranch);
-         cmpt_it = 0;
-         for (; it->More();it->Next()) {
-           mySObject = it->Value();
-           ok = mySObject->ReferencedObject(myRef);
-           myRefOnObject = myRef->GetID();
-           
-           longueur = strlen(myRefOnObject) +1;
-           if (longueur>1) {
-             size[0]=longueur;
-             sprintf(name_dataset,"Algo %d",cmpt_it);
-             hdf_dataset[cmpt_ds]=new HDFdataset(name_dataset,hdf_subgroup[Tag_RefOnAppliedAlgorithms],HDF_STRING,size,1);
-             hdf_dataset[cmpt_ds]->CreateOnDisk();
-             hdf_dataset[cmpt_ds]->WriteOnDisk(myRefOnObject);
-             hdf_dataset[cmpt_ds]->CloseOnDisk();
+         for (TopExp_Explorer exp(locShape,TopAbs_EDGE); exp.More(); exp.Next())
+           {
+             const TopoDS_Edge& E = TopoDS::Edge(exp.Current());
+             setId.insert(myIndexToShape.FindIndex(E));
+             if(MYDEBUG) SCRUTE(myIndexToShape.FindIndex(E));
+           }
+         for (TopExp_Explorer exp(locShape,TopAbs_VERTEX); exp.More(); exp.Next())
+           {
+             const TopoDS_Vertex& V = TopoDS::Vertex(exp.Current());
+             setId.insert(myIndexToShape.FindIndex(V));
+             if(MYDEBUG) SCRUTE(myIndexToShape.FindIndex(V));
            }
-           cmpt_ds++;
-           cmpt_it++;
-         }
-         hdf_subgroup[Tag_RefOnAppliedAlgorithms]->CloseOnDisk();
        }
-       MESSAGE("end of algo applied");
-       //********** 
-       
-       //********** submeshes on subshapes
-       int myLevel1Tag;
-       for (int i=Tag_SubMeshOnVertex;i<=Tag_SubMeshOnCompound;i++) {
-         _found = gotBranch->FindSubObject(i,myBranch);
-         if (_found) {
-           if (i==Tag_SubMeshOnVertex)
-             strcpy(name_meshgroup,"SubMeshes On Vertex");
-           else if (i==Tag_SubMeshOnEdge)
-             strcpy(name_meshgroup,"SubMeshes On Edge");
-           else if (i==Tag_SubMeshOnFace)
-             strcpy(name_meshgroup,"SubMeshes On Face");
-           else if (i==Tag_SubMeshOnSolid)
-             strcpy(name_meshgroup,"SubMeshes On Solid");
-           else if (i==Tag_SubMeshOnCompound)
-             strcpy(name_meshgroup,"SubMeshes On Compound");
-
-           cmpt_sm++;
-           myLevel1Tag = 10+cmpt_sm;
-           hdf_subgroup[myLevel1Tag] = new HDFgroup(name_meshgroup,hdf_group[gotBranch->Tag()]);
-           hdf_subgroup[myLevel1Tag]->CreateOnDisk();
+      shapesId->length(setId.size());
+      set<int>::iterator iind;
+      int i=0;
+      for (iind = setId.begin(); iind != setId.end(); iind++)
+       {
+         if(MYDEBUG) SCRUTE((*iind));
+         shapesId[i] = (*iind);
+         if(MYDEBUG) SCRUTE(shapesId[i]);
+         i++;
+       }
+    }
+  catch (SALOME_Exception& S_ex)
+    {
+      THROW_SALOME_CORBA_EXCEPTION(S_ex.what(), SALOME::BAD_PARAM);
+    }
+
+  return shapesId._retn();
+}
+
+//=============================================================================
+/*!
+ *  SMESH_Gen_i::Compute
+ *
+ *  Compute mesh on a shape
+ */
+//=============================================================================
+
+CORBA::Boolean SMESH_Gen_i::Compute( SMESH::SMESH_Mesh_ptr theMesh,
+                                     GEOM::GEOM_Object_ptr theShapeObject )
+     throw ( SALOME::SALOME_Exception )
+{
+  Unexpect aCatch(SALOME_SalomeException);
+  if(MYDEBUG) MESSAGE( "SMESH_Gen_i::Compute" );
+
+  if ( CORBA::is_nil( theShapeObject ) && theMesh->HasShapeToMesh())
+    THROW_SALOME_CORBA_EXCEPTION( "bad shape object reference", 
+                                  SALOME::BAD_PARAM );
+
+  if ( CORBA::is_nil( theMesh ) )
+    THROW_SALOME_CORBA_EXCEPTION( "bad Mesh reference",
+                                  SALOME::BAD_PARAM );
+
+  // Update Python script
+  TPythonDump() << "isDone = " << this << ".Compute( "
+                << theMesh << ", " << theShapeObject << ")";
+
+  try {
+    // get mesh servant
+    SMESH_Mesh_i* meshServant = dynamic_cast<SMESH_Mesh_i*>( GetServant( theMesh ).in() );
+    ASSERT( meshServant );
+    if ( meshServant ) {
+      // NPAL16168: "geometrical group edition from a submesh don't modifiy mesh computation"
+      meshServant->CheckGeomGroupModif();
+      // get local TopoDS_Shape
+      TopoDS_Shape myLocShape;
+      if(theMesh->HasShapeToMesh())
+        myLocShape = GeomObjectToShape( theShapeObject );
+      else
+        myLocShape = SMESH_Mesh::PseudoShape();
+      // call implementation compute
+      ::SMESH_Mesh& myLocMesh = meshServant->GetImpl();
+      return myGen.Compute( myLocMesh, myLocShape);
+    }
+  }
+  catch ( std::bad_alloc ) {
+    INFOS( "Compute(): lack of memory" );
+  }
+  catch ( SALOME_Exception& S_ex ) {
+    INFOS( "Compute(): catch exception "<< S_ex.what() );
+  }
+  catch ( ... ) {
+    INFOS( "Compute(): unknown exception " );
+  }
+  return false;
+}
+
+//================================================================================
+/*!
+ * \brief Return geometrical object the given element is built on
+ *  \param theMesh - the mesh the element is in
+ *  \param theElementID - the element ID
+ *  \param theGeomName - the name of the result geom object if it is not yet published
+ *  \retval GEOM::GEOM_Object_ptr - the found or just published geom object
+ */
+//================================================================================
+
+GEOM::GEOM_Object_ptr
+SMESH_Gen_i::GetGeometryByMeshElement( SMESH::SMESH_Mesh_ptr  theMesh,
+                                       CORBA::Long            theElementID,
+                                       const char*            theGeomName)
+  throw ( SALOME::SALOME_Exception )
+{
+  Unexpect aCatch(SALOME_SalomeException);
+  GEOM::GEOM_Object_var geom = FindGeometryByMeshElement(theMesh, theElementID);
+  if ( !geom->_is_nil() ) {
+    GEOM::GEOM_Object_var mainShape = theMesh->GetShapeToMesh();
+    GEOM::GEOM_Gen_ptr    geomGen   = GetGeomEngine();
+
+    // try to find the corresponding SObject
+    SALOMEDS::SObject_var SObj = ObjectToSObject( myCurrentStudy, geom.in() );
+    if ( SObj->_is_nil() ) // submesh can be not found even if published
+    {
+      // try to find published submesh
+      GEOM::ListOfLong_var list = geom->GetSubShapeIndices();
+      if ( !geom->IsMainShape() && list->length() == 1 ) {
+        SALOMEDS::SObject_var mainSO = ObjectToSObject( myCurrentStudy, mainShape );
+        SALOMEDS::ChildIterator_var it;
+        if ( !mainSO->_is_nil() )
+          it = myCurrentStudy->NewChildIterator( mainSO );
+        if ( !it->_is_nil() ) {
+          for ( it->InitEx(true); SObj->_is_nil() && it->More(); it->Next() ) {
+            GEOM::GEOM_Object_var subGeom =
+              GEOM::GEOM_Object::_narrow( SObjectToObject( it->Value() ));
+            if ( !subGeom->_is_nil() ) {
+              GEOM::ListOfLong_var subList = subGeom->GetSubShapeIndices();
+              if ( subList->length() == 1 && list[0] == subList[0] ) {
+                SObj = it->Value();
+                geom = subGeom;
+              }
+            }
+          }
+        }
+      }
+    }
+    if ( SObj->_is_nil() ) // publish a new subshape
+      SObj = geomGen->AddInStudy( myCurrentStudy, geom, theGeomName, mainShape );
+
+    // return only published geometry
+    if ( !SObj->_is_nil() )
+      return geom._retn();
+  }
+  return GEOM::GEOM_Object::_nil();
+}
+
+//================================================================================
+/*!
+ * \brief Return geometrical object the given element is built on.
+ *  \param theMesh - the mesh the element is in
+ *  \param theElementID - the element ID
+ *  \retval GEOM::GEOM_Object_ptr - the found geom object
+ */
+//================================================================================
+
+GEOM::GEOM_Object_ptr
+SMESH_Gen_i::FindGeometryByMeshElement( SMESH::SMESH_Mesh_ptr  theMesh,
+                                        CORBA::Long            theElementID)
+  throw ( SALOME::SALOME_Exception )
+{
+  Unexpect aCatch(SALOME_SalomeException);
+  if ( CORBA::is_nil( theMesh ) )
+    THROW_SALOME_CORBA_EXCEPTION( "bad Mesh reference", SALOME::BAD_PARAM );
+
+  GEOM::GEOM_Object_var mainShape = theMesh->GetShapeToMesh();
+  GEOM::GEOM_Gen_ptr    geomGen   = GetGeomEngine();
+
+  // get a core mesh DS
+  SMESH_Mesh_i* meshServant = SMESH::DownCast<SMESH_Mesh_i*>( theMesh );
+  if ( meshServant && !geomGen->_is_nil() && !mainShape->_is_nil() )
+  {
+    ::SMESH_Mesh & mesh = meshServant->GetImpl();
+    SMESHDS_Mesh* meshDS = mesh.GetMeshDS();
+    // find the element in mesh
+    if ( const SMDS_MeshElement * elem = meshDS->FindElement( theElementID ) ) {
+      // find a shape id by the element
+      if ( int shapeID = ::SMESH_MeshEditor( &mesh ).FindShape( elem )) {
+        // get a geom object by the shape id
+        GEOM::GEOM_Object_var geom = ShapeToGeomObject( meshDS->IndexToShape( shapeID ));
+        if ( geom->_is_nil() ) {
+          // try to find a published sub-shape
+          SALOMEDS::SObject_var mainSO = ObjectToSObject( myCurrentStudy, mainShape );
+          SALOMEDS::ChildIterator_var it;
+          if ( !mainSO->_is_nil() )
+            it = myCurrentStudy->NewChildIterator( mainSO );
+          if ( !it->_is_nil() ) {
+            for ( it->InitEx(true); it->More(); it->Next() ) {
+              GEOM::GEOM_Object_var subGeom =
+                GEOM::GEOM_Object::_narrow( SObjectToObject( it->Value() ));
+              if ( !subGeom->_is_nil() ) {
+                GEOM::ListOfLong_var subList = subGeom->GetSubShapeIndices();
+                if ( subList->length() == 1 && shapeID == subList[0] ) {
+                  geom = subGeom;
+                  break;
+                }
+              }
+            }
+          }
+        }
+        if ( geom->_is_nil() ) {
+          // explode
+          GEOM::GEOM_IShapesOperations_var op =
+            geomGen->GetIShapesOperations( GetCurrentStudyID() );
+          if ( !op->_is_nil() )
+            geom = op->GetSubShape( mainShape, shapeID );
+        }
+        if ( !geom->_is_nil() ) {
+          GeomObjectToShape( geom ); // let geom client remember the found shape
+         return geom._retn();
+        }
+      }
+    }
+  }
+  return GEOM::GEOM_Object::_nil();
+}
+
+//================================================================================
+/*!
+ *  SMESH_Gen_i::Concatenate
+ *
+ *  Concatenate the given meshes into one mesh
+ */
+//================================================================================
+
+SMESH::SMESH_Mesh_ptr SMESH_Gen_i::Concatenate(const SMESH::mesh_array& theMeshesArray,
+                                              CORBA::Boolean           theUniteIdenticalGroups, 
+                                              CORBA::Boolean           theMergeNodesAndElements, 
+                                              CORBA::Double            theMergeTolerance)
+  throw ( SALOME::SALOME_Exception )
+{
+  typedef map<int, int> TIDsMap;
+  typedef list<SMESH::SMESH_Group_var> TListOfNewGroups;
+  typedef map< pair<string, SMESH::ElementType>, TListOfNewGroups > TGroupsMap;
+  typedef std::set<SMESHDS_GroupBase*> TGroups;
+
+  TPythonDump aPythonDump; // prevent dump of called methods
+
+  // create mesh
+  SMESH::SMESH_Mesh_var aNewMesh = CreateEmptyMesh();
+  
+  if ( !aNewMesh->_is_nil() ) {
+    SMESH_Mesh_i* aNewImpl = dynamic_cast<SMESH_Mesh_i*>( GetServant( aNewMesh ).in() );
+    if ( aNewImpl ) {
+      ::SMESH_Mesh& aLocMesh = aNewImpl->GetImpl();
+      SMESHDS_Mesh* aNewMeshDS = aLocMesh.GetMeshDS();
+
+      TGroupsMap aGroupsMap;
+      TListOfNewGroups aListOfNewGroups;
+      SMESH_MeshEditor aNewEditor = ::SMESH_MeshEditor(&aLocMesh);
+      SMESH::ListOfGroups_var aListOfGroups = new SMESH::ListOfGroups();
+
+      // loop on meshes
+      for ( int i = 0; i < theMeshesArray.length(); i++) {
+       SMESH::SMESH_Mesh_var anInitMesh = theMeshesArray[i];
+       if ( !anInitMesh->_is_nil() ) {
+         SMESH_Mesh_i* anInitImpl = dynamic_cast<SMESH_Mesh_i*>( GetServant( anInitMesh ).in() );
+         if ( anInitImpl ) {
+           ::SMESH_Mesh& aInitLocMesh = anInitImpl->GetImpl();
+           SMESHDS_Mesh* anInitMeshDS = aInitLocMesh.GetMeshDS();
+
+           TIDsMap nodesMap;
+           TIDsMap elemsMap;
+
+           // loop on elements of mesh
+           SMDS_ElemIteratorPtr itElems = anInitMeshDS->elementsIterator();
+           const SMDS_MeshElement* anElem = 0;
+           const SMDS_MeshElement* aNewElem = 0;
+           int anElemNbNodes = 0;
+
+           for ( int j = 0; itElems->more(); j++) {
+             anElem = itElems->next();
+             SMDSAbs_ElementType anElemType = anElem->GetType();
+             anElemNbNodes = anElem->NbNodes();
+             std::vector<const SMDS_MeshNode*> aNodesArray (anElemNbNodes);
+
+             // loop on nodes of element
+             const SMDS_MeshNode* aNode = 0;
+             const SMDS_MeshNode* aNewNode = 0;
+             SMDS_ElemIteratorPtr itNodes = anElem->nodesIterator();
+
+             for ( int k = 0; itNodes->more(); k++) {
+               aNode = static_cast<const SMDS_MeshNode*>(itNodes->next());
+               if ( nodesMap.find(aNode->GetID()) == nodesMap.end() ) {
+                 aNewNode = aNewMeshDS->AddNode(aNode->X(), aNode->Y(), aNode->Z());
+                 nodesMap.insert( make_pair(aNode->GetID(), aNewNode->GetID()) );
+               }
+               else
+                 aNewNode = aNewMeshDS->FindNode( nodesMap.find(aNode->GetID())->second );
+               aNodesArray[k] = aNewNode;
+             }//nodes loop
+
+             // creates a corresponding element on existent nodes in new mesh
+             if ( anElem->IsPoly() && anElemType == SMDSAbs_Volume )
+               {
+                 const SMDS_PolyhedralVolumeOfNodes* aVolume =
+                   dynamic_cast<const SMDS_PolyhedralVolumeOfNodes*> (anElem);
+                 if ( aVolume ) {
+                   aNewElem = aNewMeshDS->AddPolyhedralVolume(aNodesArray, 
+                                                              aVolume->GetQuanities());
+                   elemsMap.insert(make_pair(anElem->GetID(), aNewElem->GetID()));
+                 }
+               }
+             else {
+               
+               aNewElem = aNewEditor.AddElement(aNodesArray,
+                                                anElemType,
+                                                anElem->IsPoly());
+               elemsMap.insert(make_pair(anElem->GetID(), aNewElem->GetID()));
+             } 
+           }//elems loop
            
-           itSM = Study->NewChildIterator(myBranch);
-           for (; itSM->More();itSM->Next()) {//Loop on all submeshes
-             mySObject = itSM->Value();
-             cmpt_sm++;
-             myTag = 10+cmpt_sm;
-             mySObject->FindAttribute(anAttr, "AttributeIOR");
-             anIOR = SALOMEDS::AttributeIOR::_narrow(anAttr);
-             SMESH::SMESH_subMesh_var mySubMesh =  SMESH::SMESH_subMesh::_narrow(_orb->string_to_object(anIOR->Value())) ;
-
-             //sprintf(name_meshgroup,"SubMesh %d",myTag);
-             sprintf(name_meshgroup,"SubMesh %d",mySubMesh->GetId());
-             SCRUTE(name_meshgroup);
-             
-             hdf_subgroup[myTag] = new HDFgroup(name_meshgroup,hdf_subgroup[myLevel1Tag]);
-             hdf_subgroup[myTag]->CreateOnDisk();
+           aListOfGroups = anInitImpl->GetGroups();
+           SMESH::SMESH_GroupBase_ptr aGroup;
+
+           // loop on groups of mesh
+           SMESH::long_array_var anInitIDs = new SMESH::long_array();
+           SMESH::long_array_var anNewIDs = new SMESH::long_array();
+           SMESH::SMESH_Group_var aNewGroup;
+           for (int i = 0; i < aListOfGroups->length(); i++) {
+             aGroup = aListOfGroups[i];
+             aListOfNewGroups.clear();
+             SMESH::ElementType aGroupType = aGroup->GetType();
+             CORBA::String_var aGroupName = aGroup->GetName();
              
-             //********** ref on shape
-             Standard_CString  myRefOnObject="" ;
-             SALOMEDS::SObject_var myRef,myShape;
-             bool _found2;
-             _found2 = mySObject->FindSubObject(Tag_RefOnShape,myRef);
-             if (_found2) {
-               ok = myRef->ReferencedObject(myShape);
-               myRefOnObject = myShape->GetID();
-               SCRUTE(myRefOnObject);
-               
-               longueur = strlen(myRefOnObject) +1;
-               if (longueur>1) {
-                 size[0]=longueur;
-                 strcpy(name_dataset,"Ref on shape");
-                 hdf_dataset[cmpt_ds]=new HDFdataset(name_dataset,hdf_subgroup[myTag],HDF_STRING,size,1);
-                 hdf_dataset[cmpt_ds]->CreateOnDisk();
-                 hdf_dataset[cmpt_ds]->WriteOnDisk(myRefOnObject);
-                 hdf_dataset[cmpt_ds]->CloseOnDisk();
-                 cmpt_ds++;
+             TGroupsMap::iterator anIter = aGroupsMap.find(make_pair(aGroupName, aGroupType));
+
+             // convert a list of IDs
+             anInitIDs = aGroup->GetListOfID();
+             anNewIDs->length(anInitIDs->length());
+             if ( aGroupType == SMESH::NODE )
+               for (int j = 0; j < anInitIDs->length(); j++) {
+                 anNewIDs[j] = nodesMap.find(anInitIDs[j])->second;
+               }
+             else
+               for (int j = 0; j < anInitIDs->length(); j++) {
+                 anNewIDs[j] = elemsMap.find(anInitIDs[j])->second;
                }
-             }
-             //********** 
              
-             //********** ref on applied hypothesis
-             _found2 = mySObject->FindSubObject(Tag_RefOnAppliedHypothesis,myBranch);
-             if (_found2) {
+             // check that current group name and type don't have identical ones in union mesh
+             if ( anIter == aGroupsMap.end() ) {
+               // add a new group in the mesh
+               aNewGroup = aNewImpl->CreateGroup(aGroupType, aGroupName);
+               // add elements into new group
+               aNewGroup->Add( anNewIDs );
                
-               strcpy(name_meshgroup,"Applied Hypothesis");
-               cmpt_sm++;
-               hdf_subgroup[10+cmpt_sm] = new HDFgroup(name_meshgroup,hdf_subgroup[myTag]);
-               hdf_subgroup[10+cmpt_sm]->CreateOnDisk();
+               aListOfNewGroups.push_back(aNewGroup);
+               aGroupsMap.insert(make_pair( make_pair(aGroupName, aGroupType), aListOfNewGroups ));
+             }
+
+             else if ( theUniteIdenticalGroups ) {
+               // unite identical groups
+               TListOfNewGroups& aNewGroups = anIter->second;
+               aNewGroups.front()->Add( anNewIDs );
+             }
+
+             else {
+               // rename identical groups
+               aNewGroup = aNewImpl->CreateGroup(aGroupType, aGroupName);
+               aNewGroup->Add( anNewIDs );
                
-               it = Study->NewChildIterator(myBranch);
-               cmpt_it = 0;
-               for (; it->More();it->Next()) {
-                 mySObjectChild = it->Value();
-                 ok = mySObjectChild->ReferencedObject(myRef);
-                 myRefOnObject = myRef->GetID();
-                 
-                 longueur = strlen(myRefOnObject) +1;
-                 if (longueur>1) {
-                   size[0]=longueur;
-                   sprintf(name_dataset,"Hyp %d",cmpt_it);
-                   SCRUTE(cmpt_it);
-                   hdf_dataset[cmpt_ds]=new HDFdataset(name_dataset,hdf_subgroup[10+cmpt_sm],HDF_STRING,size,1);
-                   hdf_dataset[cmpt_ds]->CreateOnDisk();
-                   hdf_dataset[cmpt_ds]->WriteOnDisk(myRefOnObject);
-                   hdf_dataset[cmpt_ds]->CloseOnDisk();
+               TListOfNewGroups& aNewGroups = anIter->second;
+               string aNewGroupName;
+               if (aNewGroups.size() == 1) {
+                 aNewGroupName = string(aGroupName) + "_1";
+                 aNewGroups.front()->SetName(aNewGroupName.c_str());
+               }
+               char aGroupNum[128];
+               sprintf(aGroupNum, "%u", aNewGroups.size()+1);
+               aNewGroupName = string(aGroupName) + "_" + string(aGroupNum);
+               aNewGroup->SetName(aNewGroupName.c_str());
+               aNewGroups.push_back(aNewGroup);
+             }
+           }//groups loop
+         }
+       }
+      }//meshes loop
+
+      if (theMergeNodesAndElements) {
+       // merge nodes
+       set<const SMDS_MeshNode*> aMeshNodes; // no input nodes
+       SMESH_MeshEditor::TListOfListOfNodes aGroupsOfNodes;
+       aNewEditor.FindCoincidentNodes( aMeshNodes, theMergeTolerance, aGroupsOfNodes );
+       aNewEditor.MergeNodes( aGroupsOfNodes );
+       // merge elements
+       aNewEditor.MergeEqualElements();
+      }
+    }
+  }
+  
+  // Update Python script
+  aPythonDump << aNewMesh << " = " << this << ".Concatenate(";
+  aPythonDump << "[";
+  for ( int i = 0; i < theMeshesArray.length(); i++) {
+    if (i > 0) aPythonDump << ", ";
+    aPythonDump << theMeshesArray[i];
+  }
+  aPythonDump << "], ";
+  aPythonDump << theUniteIdenticalGroups << ", "
+              << theMergeNodesAndElements << ", "
+              << theMergeTolerance << ")";
+
+  return aNewMesh._retn();
+}
+
+//=============================================================================
+/*!
+ *  SMESH_Gen_i::Save
+ *
+ *  Save SMESH module's data
+ */
+//=============================================================================
+SALOMEDS::TMPFile* SMESH_Gen_i::Save( SALOMEDS::SComponent_ptr theComponent,
+                                      const char*              theURL,
+                                      bool                     isMultiFile )
+{
+  INFOS( "SMESH_Gen_i::Save" );
+
+  //  ASSERT( theComponent->GetStudy()->StudyId() == myCurrentStudy->StudyId() )
+  // san -- in case <myCurrentStudy> differs from theComponent's study,
+  // use that of the component
+  if ( myCurrentStudy->_is_nil() || 
+    theComponent->GetStudy()->StudyId() != myCurrentStudy->StudyId() )
+    SetCurrentStudy( theComponent->GetStudy() );
+
+  // Store study contents as a set of python commands
+  SavePython(myCurrentStudy);
+
+  StudyContext* myStudyContext = GetCurrentStudyContext();
+
+  // Declare a byte stream
+  SALOMEDS::TMPFile_var aStreamFile;
+
+  // Obtain a temporary dir
+  TCollection_AsciiString tmpDir =
+    ( isMultiFile ) ? TCollection_AsciiString( ( char* )theURL ) : ( char* )SALOMEDS_Tool::GetTmpDir().c_str();
+
+  // Create a sequence of files processed
+  SALOMEDS::ListOfFileNames_var aFileSeq = new SALOMEDS::ListOfFileNames;
+  aFileSeq->length( NUM_TMP_FILES );
+
+  TCollection_AsciiString aStudyName( "" );
+  if ( isMultiFile ) 
+    aStudyName = ( (char*)SALOMEDS_Tool::GetNameFromPath( myCurrentStudy->URL() ).c_str() );
+
+  // Set names of temporary files
+  TCollection_AsciiString filename =
+    aStudyName + TCollection_AsciiString( "_SMESH.hdf" );        // for SMESH data itself
+  TCollection_AsciiString meshfile =
+    aStudyName + TCollection_AsciiString( "_SMESH_Mesh.med" );   // for mesh data to be stored in MED file
+  aFileSeq[ 0 ] = CORBA::string_dup( filename.ToCString() );
+  aFileSeq[ 1 ] = CORBA::string_dup( meshfile.ToCString() );
+  filename = tmpDir + filename;
+  meshfile = tmpDir + meshfile;
+
+  HDFfile*    aFile;
+  HDFdataset* aDataset;
+  HDFgroup*   aTopGroup;
+  HDFgroup*   aGroup;
+  HDFgroup*   aSubGroup;
+  HDFgroup*   aSubSubGroup;
+  hdf_size    aSize[ 1 ];
+
+
+  //Remove the files if they exist: BugID: 11225
+#ifndef WNT /* unix functionality */
+  TCollection_AsciiString cmd("rm -f \"");
+#else /* windows */
+  TCollection_AsciiString cmd("del /F \"");
+#endif
+
+  cmd+=filename;
+  cmd+="\" \"";
+  cmd+=meshfile;
+  cmd+="\"";
+  system(cmd.ToCString());
+
+  // MED writer to be used by storage process
+  DriverMED_W_SMESHDS_Mesh myWriter;
+  myWriter.SetFile( meshfile.ToCString() );
+
+  // Write data
+  // ---> create HDF file
+  aFile = new HDFfile( filename.ToCString() );
+  aFile->CreateOnDisk();
+
+  // --> iterator for top-level objects
+  SALOMEDS::ChildIterator_var itBig = myCurrentStudy->NewChildIterator( theComponent );
+  for ( ; itBig->More(); itBig->Next() ) {
+    SALOMEDS::SObject_var gotBranch = itBig->Value();
+
+    // --> hypotheses root branch (only one for the study)
+    if ( gotBranch->Tag() == GetHypothesisRootTag() ) {
+      // create hypotheses root HDF group
+      aTopGroup = new HDFgroup( "Hypotheses", aFile );
+      aTopGroup->CreateOnDisk();
+
+      // iterator for all hypotheses
+      SALOMEDS::ChildIterator_var it = myCurrentStudy->NewChildIterator( gotBranch );
+      for ( ; it->More(); it->Next() ) {
+        SALOMEDS::SObject_var mySObject = it->Value();
+        CORBA::Object_var anObject = SObjectToObject( mySObject );
+        if ( !CORBA::is_nil( anObject ) ) {
+          SMESH::SMESH_Hypothesis_var myHyp = SMESH::SMESH_Hypothesis::_narrow( anObject );
+          if ( !myHyp->_is_nil() ) {
+            SMESH_Hypothesis_i* myImpl = dynamic_cast<SMESH_Hypothesis_i*>( GetServant( myHyp ).in() );
+            if ( myImpl ) {
+              string hypname = string( myHyp->GetName() );
+              string libname = string( myHyp->GetLibName() );
+              // BUG SWP13062
+              // Needs for save crossplatform libname, i.e. parth of name ( ".dll" for
+              // WNT and ".so" for X-system) must be deleted
+              int libname_len = libname.length();
+#ifdef WNT
+              if( libname_len > 4 )
+                libname.resize( libname_len - 4 );
+#else
+              if( libname_len > 3 )
+                libname.resize( libname_len - 3 );
+#endif
+              CORBA::String_var objStr = GetORB()->object_to_string( anObject );
+              int    id      = myStudyContext->findId( string( objStr.in() ) );
+              string hypdata = string( myImpl->SaveTo() );
+
+              // for each hypothesis create HDF group basing on its id
+              char hypGrpName[30];
+              sprintf( hypGrpName, "Hypothesis %d", id );
+              aGroup = new HDFgroup( hypGrpName, aTopGroup );
+              aGroup->CreateOnDisk();
+              // --> type name of hypothesis
+              aSize[ 0 ] = hypname.length() + 1;
+              aDataset = new HDFdataset( "Name", aGroup, HDF_STRING, aSize, 1 );
+              aDataset->CreateOnDisk();
+              aDataset->WriteOnDisk( ( char* )( hypname.c_str() ) );
+              aDataset->CloseOnDisk();
+              // --> server plugin library name of hypothesis
+              aSize[ 0 ] = libname.length() + 1;
+              aDataset = new HDFdataset( "LibName", aGroup, HDF_STRING, aSize, 1 );
+              aDataset->CreateOnDisk();
+              aDataset->WriteOnDisk( ( char* )( libname.c_str() ) );
+              aDataset->CloseOnDisk();
+              // --> persistent data of hypothesis
+              aSize[ 0 ] = hypdata.length() + 1;
+              aDataset = new HDFdataset( "Data", aGroup, HDF_STRING, aSize, 1 );
+              aDataset->CreateOnDisk();
+              aDataset->WriteOnDisk( ( char* )( hypdata.c_str() ) );
+              aDataset->CloseOnDisk();
+              // close hypothesis HDF group
+              aGroup->CloseOnDisk();
+            }
+          }
+        }
+      }
+      // close hypotheses root HDF group
+      aTopGroup->CloseOnDisk();
+    }
+    // --> algorithms root branch (only one for the study)
+    else if ( gotBranch->Tag() == GetAlgorithmsRootTag() ) {
+      // create algorithms root HDF group
+      aTopGroup = new HDFgroup( "Algorithms", aFile );
+      aTopGroup->CreateOnDisk();
+
+      // iterator for all algorithms
+      SALOMEDS::ChildIterator_var it = myCurrentStudy->NewChildIterator( gotBranch );
+      for ( ; it->More(); it->Next() ) {
+        SALOMEDS::SObject_var mySObject = it->Value();
+        CORBA::Object_var anObject = SObjectToObject( mySObject );
+        if ( !CORBA::is_nil( anObject ) ) {
+          SMESH::SMESH_Hypothesis_var myHyp = SMESH::SMESH_Hypothesis::_narrow( anObject );
+          if ( !myHyp->_is_nil() ) {
+            SMESH_Hypothesis_i* myImpl = dynamic_cast<SMESH_Hypothesis_i*>( GetServant( myHyp ).in() );
+            if ( myImpl ) {
+              string hypname = string( myHyp->GetName() );
+              string libname = string( myHyp->GetLibName() );
+              // BUG SWP13062
+              // Needs for save crossplatform libname, i.e. parth of name ( ".dll" for
+              // WNT and ".so" for X-system) must be deleted
+              int libname_len = libname.length();
+#ifdef WNT
+              if( libname_len > 4 )
+                libname.resize( libname_len - 4 );
+#else
+              if( libname_len > 3 )
+                libname.resize( libname_len - 3 );
+#endif
+              CORBA::String_var objStr = GetORB()->object_to_string( anObject );
+              int    id      = myStudyContext->findId( string( objStr.in() ) );
+              string hypdata = string( myImpl->SaveTo() );
+
+              // for each algorithm create HDF group basing on its id
+              char hypGrpName[30];
+              sprintf( hypGrpName, "Algorithm %d", id );
+              aGroup = new HDFgroup( hypGrpName, aTopGroup );
+              aGroup->CreateOnDisk();
+              // --> type name of algorithm
+              aSize[0] = hypname.length() + 1;
+              aDataset = new HDFdataset( "Name", aGroup, HDF_STRING, aSize, 1 );
+              aDataset->CreateOnDisk();
+              aDataset->WriteOnDisk( ( char* )( hypname.c_str() ) );
+              aDataset->CloseOnDisk();
+              // --> server plugin library name of hypothesis
+              aSize[0] = libname.length() + 1;
+              aDataset = new HDFdataset( "LibName", aGroup, HDF_STRING, aSize, 1 );
+              aDataset->CreateOnDisk();
+              aDataset->WriteOnDisk( ( char* )( libname.c_str() ) );
+              aDataset->CloseOnDisk();
+              // --> persistent data of algorithm
+              aSize[0] = hypdata.length() + 1;
+              aDataset = new HDFdataset( "Data", aGroup, HDF_STRING, aSize, 1 );
+              aDataset->CreateOnDisk();
+              aDataset->WriteOnDisk( ( char* )( hypdata.c_str() ) );
+              aDataset->CloseOnDisk();
+              // close algorithm HDF group
+              aGroup->CloseOnDisk();
+            }
+          }
+        }
+      }
+      // close algorithms root HDF group
+      aTopGroup->CloseOnDisk();
+    }
+    // --> mesh objects roots branches
+    else if ( gotBranch->Tag() > GetAlgorithmsRootTag() ) {
+      CORBA::Object_var anObject = SObjectToObject( gotBranch );
+      if ( !CORBA::is_nil( anObject ) ) {
+        SMESH::SMESH_Mesh_var myMesh = SMESH::SMESH_Mesh::_narrow( anObject ) ;
+        if ( !myMesh->_is_nil() ) {
+          SMESH_Mesh_i* myImpl = dynamic_cast<SMESH_Mesh_i*>( GetServant( myMesh ).in() );
+          if ( myImpl ) {
+            CORBA::String_var objStr = GetORB()->object_to_string( anObject );
+            int id = myStudyContext->findId( string( objStr.in() ) );
+            ::SMESH_Mesh& myLocMesh = myImpl->GetImpl();
+            SMESHDS_Mesh* mySMESHDSMesh = myLocMesh.GetMeshDS();
+            bool hasShape = myLocMesh.HasShapeToMesh();
+
+            // for each mesh open the HDF group basing on its id
+            char meshGrpName[ 30 ];
+            sprintf( meshGrpName, "Mesh %d", id );
+            aTopGroup = new HDFgroup( meshGrpName, aFile );
+            aTopGroup->CreateOnDisk();
+
+            // --> put dataset to hdf file which is a flag that mesh has data
+            string strHasData = "0";
+            // check if the mesh is not empty
+            if ( mySMESHDSMesh->NbNodes() > 0 ) {
+              // write mesh data to med file
+              myWriter.SetMesh( mySMESHDSMesh );
+              myWriter.SetMeshId( id );
+              strHasData = "1";
+            }
+            aSize[ 0 ] = strHasData.length() + 1;
+            aDataset = new HDFdataset( "Has data", aTopGroup, HDF_STRING, aSize, 1 );
+            aDataset->CreateOnDisk();
+            aDataset->WriteOnDisk( ( char* )( strHasData.c_str() ) );
+            aDataset->CloseOnDisk();
+
+           // ouv : NPAL12872
+            // for each mesh open the HDF group basing on its auto color parameter
+           char meshAutoColorName[ 30 ];
+           sprintf( meshAutoColorName, "AutoColorMesh %d", id );
+           int anAutoColor[1];
+           anAutoColor[0] = myImpl->GetAutoColor();
+           aSize[ 0 ] = 1;
+           aDataset = new HDFdataset( meshAutoColorName, aTopGroup, HDF_INT32, aSize, 1 );
+           aDataset->CreateOnDisk();
+           aDataset->WriteOnDisk( anAutoColor );
+           aDataset->CloseOnDisk();
+
+            // write reference on a shape if exists
+            SALOMEDS::SObject_var myRef;
+            bool shapeRefFound = false;
+            bool found = gotBranch->FindSubObject( GetRefOnShapeTag(), myRef );
+            if ( found ) {
+              SALOMEDS::SObject_var myShape;
+              bool ok = myRef->ReferencedObject( myShape );
+              if ( ok ) {
+                shapeRefFound = (! CORBA::is_nil( myShape->GetObject() ));
+                string myRefOnObject = myShape->GetID();
+                if ( shapeRefFound && myRefOnObject.length() > 0 ) {
+                  aSize[ 0 ] = myRefOnObject.length() + 1;
+                  aDataset = new HDFdataset( "Ref on shape", aTopGroup, HDF_STRING, aSize, 1 );
+                  aDataset->CreateOnDisk();
+                  aDataset->WriteOnDisk( ( char* )( myRefOnObject.c_str() ) );
+                  aDataset->CloseOnDisk();
+                }
+              }
+            }
+
+            // write applied hypotheses if exist
+            SALOMEDS::SObject_var myHypBranch;
+            found = gotBranch->FindSubObject( GetRefOnAppliedHypothesisTag(), myHypBranch );
+            if ( found && !shapeRefFound && hasShape) { // remove applied hyps
+              myCurrentStudy->NewBuilder()->RemoveObjectWithChildren( myHypBranch );
+            }
+            if ( found && (shapeRefFound || !hasShape) ) {
+              aGroup = new HDFgroup( "Applied Hypotheses", aTopGroup );
+              aGroup->CreateOnDisk();
+
+              SALOMEDS::ChildIterator_var it = myCurrentStudy->NewChildIterator( myHypBranch );
+              int hypNb = 0;
+              for ( ; it->More(); it->Next() ) {
+                SALOMEDS::SObject_var mySObject = it->Value();
+                SALOMEDS::SObject_var myRefOnHyp;
+                bool ok = mySObject->ReferencedObject( myRefOnHyp );
+                if ( ok ) {
+                  // san - it is impossible to recover applied hypotheses
+                  //       using their entries within Load() method,
+                  // for there are no AttributeIORs in the study when Load() is working. 
+                  // Hence, it is better to store persistent IDs of hypotheses as references to them
+
+                  //string myRefOnObject = myRefOnHyp->GetID();
+                  CORBA::Object_var anObject = SObjectToObject( myRefOnHyp );
+                  CORBA::String_var objStr = GetORB()->object_to_string( anObject );
+                  int id = myStudyContext->findId( string( objStr.in() ) );
+                  //if ( myRefOnObject.length() > 0 ) {
+                  //aSize[ 0 ] = myRefOnObject.length() + 1;
+                  char hypName[ 30 ], hypId[ 30 ];
+                  sprintf( hypName, "Hyp %d", ++hypNb );
+                  sprintf( hypId, "%d", id );
+                  aSize[ 0 ] = strlen( hypId ) + 1;
+                  aDataset = new HDFdataset( hypName, aGroup, HDF_STRING, aSize, 1 );
+                  aDataset->CreateOnDisk();
+                  //aDataset->WriteOnDisk( ( char* )( myRefOnObject.c_str() ) );
+                  aDataset->WriteOnDisk( hypId );
+                  aDataset->CloseOnDisk();
+                  //}
+                }
+              }
+              aGroup->CloseOnDisk();
+            }
+
+            // write applied algorithms if exist
+            SALOMEDS::SObject_var myAlgoBranch;
+            found = gotBranch->FindSubObject( GetRefOnAppliedAlgorithmsTag(), myAlgoBranch );
+            if ( found && !shapeRefFound && hasShape) { // remove applied algos
+              myCurrentStudy->NewBuilder()->RemoveObjectWithChildren( myAlgoBranch );
+            }
+            if ( found && (shapeRefFound || !hasShape)) {
+              aGroup = new HDFgroup( "Applied Algorithms", aTopGroup );
+              aGroup->CreateOnDisk();
+
+              SALOMEDS::ChildIterator_var it = myCurrentStudy->NewChildIterator( myAlgoBranch );
+              int algoNb = 0;
+              for ( ; it->More(); it->Next() ) {
+                SALOMEDS::SObject_var mySObject = it->Value();
+                SALOMEDS::SObject_var myRefOnAlgo;
+                bool ok = mySObject->ReferencedObject( myRefOnAlgo );
+                if ( ok ) {
+                  // san - it is impossible to recover applied algorithms
+                  //       using their entries within Load() method,
+                  // for there are no AttributeIORs in the study when Load() is working. 
+                  // Hence, it is better to store persistent IDs of algorithms as references to them
+
+                  //string myRefOnObject = myRefOnAlgo->GetID();
+                  CORBA::Object_var anObject = SObjectToObject( myRefOnAlgo );
+                  CORBA::String_var objStr = GetORB()->object_to_string( anObject );
+                  int id = myStudyContext->findId( string( objStr.in() ) );
+                  //if ( myRefOnObject.length() > 0 ) {
+                  //aSize[ 0 ] = myRefOnObject.length() + 1;
+                  char algoName[ 30 ], algoId[ 30 ];
+                  sprintf( algoName, "Algo %d", ++algoNb );
+                  sprintf( algoId, "%d", id );
+                  aSize[ 0 ] = strlen( algoId ) + 1;
+                  aDataset = new HDFdataset( algoName, aGroup, HDF_STRING, aSize, 1 );
+                  aDataset->CreateOnDisk();
+                  //aDataset->WriteOnDisk( ( char* )( myRefOnObject.c_str() ) );
+                  aDataset->WriteOnDisk( algoId );
+                  aDataset->CloseOnDisk();
+                  //}
+                }
+              }
+              aGroup->CloseOnDisk();
+            }
+
+            // --> submesh objects sub-branches
+
+            for ( int i = GetSubMeshOnVertexTag(); i <= GetSubMeshOnCompoundTag(); i++ ) {
+              SALOMEDS::SObject_var mySubmeshBranch;
+              found = gotBranch->FindSubObject( i, mySubmeshBranch );
+
+              if ( found ) // check if there is shape reference in submeshes
+              {
+                bool hasShapeRef = false;
+                SALOMEDS::ChildIterator_var itSM =
+                  myCurrentStudy->NewChildIterator( mySubmeshBranch );
+                for ( ; itSM->More(); itSM->Next() ) {
+                  SALOMEDS::SObject_var mySubRef, myShape, mySObject = itSM->Value();
+                  if ( mySObject->FindSubObject( GetRefOnShapeTag(), mySubRef ))
+                    mySubRef->ReferencedObject( myShape );
+                  if ( !CORBA::is_nil( myShape ) && !CORBA::is_nil( myShape->GetObject() ))
+                    hasShapeRef = true;
+                  else
+                  { // remove one submesh
+                    if ( shapeRefFound )
+                    { // unassign hypothesis
+                      SMESH::SMESH_subMesh_var mySubMesh =
+                        SMESH::SMESH_subMesh::_narrow( SObjectToObject( mySObject ));
+                      if ( !mySubMesh->_is_nil() ) {
+                        int shapeID = mySubMesh->GetId();
+                        TopoDS_Shape S = mySMESHDSMesh->IndexToShape( shapeID );
+                        const list<const SMESHDS_Hypothesis*>& hypList =
+                          mySMESHDSMesh->GetHypothesis( S );
+                        list<const SMESHDS_Hypothesis*>::const_iterator hyp = hypList.begin();
+                        while ( hyp != hypList.end() ) {
+                          int hypID = (*hyp++)->GetID(); // goto next hyp here because
+                          myLocMesh.RemoveHypothesis( S, hypID ); // hypList changes here
+                        }
+                      }
+                    }
+                    myCurrentStudy->NewBuilder()->RemoveObjectWithChildren( mySObject );
+                  }
+                } // loop on submeshes of a type
+                if ( !shapeRefFound || !hasShapeRef ) { // remove the whole submeshes branch
+                  myCurrentStudy->NewBuilder()->RemoveObjectWithChildren( mySubmeshBranch );
+                  found = false;
+                }
+              }  // end check if there is shape reference in submeshes
+              if ( found ) {
+                char name_meshgroup[ 30 ];
+                if ( i == GetSubMeshOnVertexTag() )
+                  strcpy( name_meshgroup, "SubMeshes On Vertex" );
+                else if ( i == GetSubMeshOnEdgeTag() )
+                  strcpy( name_meshgroup, "SubMeshes On Edge" );
+                else if ( i == GetSubMeshOnWireTag() )
+                  strcpy( name_meshgroup, "SubMeshes On Wire" );
+                else if ( i == GetSubMeshOnFaceTag() )
+                  strcpy( name_meshgroup, "SubMeshes On Face" );
+                else if ( i == GetSubMeshOnShellTag() )
+                  strcpy( name_meshgroup, "SubMeshes On Shell" );
+                else if ( i == GetSubMeshOnSolidTag() )
+                  strcpy( name_meshgroup, "SubMeshes On Solid" );
+                else if ( i == GetSubMeshOnCompoundTag() )
+                  strcpy( name_meshgroup, "SubMeshes On Compound" );
+
+                // for each type of submeshes create container HDF group
+                aGroup = new HDFgroup( name_meshgroup, aTopGroup );
+                aGroup->CreateOnDisk();
+
+                // iterator for all submeshes of given type
+                SALOMEDS::ChildIterator_var itSM = myCurrentStudy->NewChildIterator( mySubmeshBranch );
+                for ( ; itSM->More(); itSM->Next() ) {
+                  SALOMEDS::SObject_var mySObject = itSM->Value();
+                  CORBA::Object_var anSubObject = SObjectToObject( mySObject );
+                  if ( !CORBA::is_nil( anSubObject ))
+                  {
+                    SMESH::SMESH_subMesh_var mySubMesh = SMESH::SMESH_subMesh::_narrow( anSubObject ) ;
+                    CORBA::String_var objStr = GetORB()->object_to_string( anSubObject );
+                    int subid = myStudyContext->findId( string( objStr.in() ) );
+
+                    // for each mesh open the HDF group basing on its id
+                    char submeshGrpName[ 30 ];
+                    sprintf( submeshGrpName, "SubMesh %d", subid );
+                    aSubGroup = new HDFgroup( submeshGrpName, aGroup );
+                    aSubGroup->CreateOnDisk();
+
+                    // write reference on a shape, already checked if it exists
+                    SALOMEDS::SObject_var mySubRef, myShape;
+                    if ( mySObject->FindSubObject( GetRefOnShapeTag(), mySubRef ))
+                      mySubRef->ReferencedObject( myShape );
+                    string myRefOnObject = myShape->GetID();
+                    if ( myRefOnObject.length() > 0 ) {
+                      aSize[ 0 ] = myRefOnObject.length() + 1;
+                      aDataset = new HDFdataset( "Ref on shape", aSubGroup, HDF_STRING, aSize, 1 );
+                      aDataset->CreateOnDisk();
+                      aDataset->WriteOnDisk( ( char* )( myRefOnObject.c_str() ) );
+                      aDataset->CloseOnDisk();
+                    }
+
+                    // write applied hypotheses if exist
+                    SALOMEDS::SObject_var mySubHypBranch;
+                    found = mySObject->FindSubObject( GetRefOnAppliedHypothesisTag(), mySubHypBranch );
+                    if ( found ) {
+                      aSubSubGroup = new HDFgroup( "Applied Hypotheses", aSubGroup );
+                      aSubSubGroup->CreateOnDisk();
+
+                      SALOMEDS::ChildIterator_var it = myCurrentStudy->NewChildIterator( mySubHypBranch );
+                      int hypNb = 0;
+                      for ( ; it->More(); it->Next() ) {
+                        SALOMEDS::SObject_var mySubSObject = it->Value();
+                        SALOMEDS::SObject_var myRefOnHyp;
+                        bool ok = mySubSObject->ReferencedObject( myRefOnHyp );
+                        if ( ok ) {
+                          //string myRefOnObject = myRefOnHyp->GetID();
+                          CORBA::Object_var anObject = SObjectToObject( myRefOnHyp );
+                          CORBA::String_var objStr = GetORB()->object_to_string( anObject );
+                          int id = myStudyContext->findId( string( objStr.in() ) );
+                          //if ( myRefOnObject.length() > 0 ) {
+                          //aSize[ 0 ] = myRefOnObject.length() + 1;
+                          char hypName[ 30 ], hypId[ 30 ];
+                          sprintf( hypName, "Hyp %d", ++hypNb );
+                          sprintf( hypId, "%d", id );
+                          aSize[ 0 ] = strlen( hypId ) + 1;
+                          aDataset = new HDFdataset( hypName, aSubSubGroup, HDF_STRING, aSize, 1 );
+                          aDataset->CreateOnDisk();
+                          //aDataset->WriteOnDisk( ( char* )( myRefOnObject.c_str() ) );
+                          aDataset->WriteOnDisk( hypId );
+                          aDataset->CloseOnDisk();
+                          //}
+                        }
+                      }
+                      aSubSubGroup->CloseOnDisk();
+                    }
+
+                    // write applied algorithms if exist
+                    SALOMEDS::SObject_var mySubAlgoBranch;
+                    found = mySObject->FindSubObject( GetRefOnAppliedAlgorithmsTag(), mySubAlgoBranch );
+                    if ( found ) {
+                      aSubSubGroup = new HDFgroup( "Applied Algorithms", aSubGroup );
+                      aSubSubGroup->CreateOnDisk();
+
+                      SALOMEDS::ChildIterator_var it = myCurrentStudy->NewChildIterator( mySubAlgoBranch );
+                      int algoNb = 0;
+                      for ( ; it->More(); it->Next() ) {
+                        SALOMEDS::SObject_var mySubSObject = it->Value();
+                        SALOMEDS::SObject_var myRefOnAlgo;
+                        bool ok = mySubSObject->ReferencedObject( myRefOnAlgo );
+                        if ( ok ) {
+                          //string myRefOnObject = myRefOnAlgo->GetID();
+                          CORBA::Object_var anObject = SObjectToObject( myRefOnAlgo );
+                          CORBA::String_var objStr = GetORB()->object_to_string( anObject );
+                          int id = myStudyContext->findId( string( objStr.in() ) );
+                          //if ( myRefOnObject.length() > 0 ) {
+                          //aSize[ 0 ] = myRefOnObject.length() + 1;
+                          char algoName[ 30 ], algoId[ 30 ];
+                          sprintf( algoName, "Algo %d", ++algoNb );
+                          sprintf( algoId, "%d", id );
+                          aSize[ 0 ] = strlen( algoId ) + 1;
+                          aDataset = new HDFdataset( algoName, aSubSubGroup, HDF_STRING, aSize, 1 );
+                          aDataset->CreateOnDisk();
+                          //aDataset->WriteOnDisk( ( char* )( myRefOnObject.c_str() ) );
+                          aDataset->WriteOnDisk( algoId );
+                          aDataset->CloseOnDisk();
+                          //}
+                        }
+                      }
+                      aSubSubGroup->CloseOnDisk();
+                    }
+                    // close submesh HDF group
+                    aSubGroup->CloseOnDisk();
+                  }
+                }
+                // close container of submeshes by type HDF group
+                aGroup->CloseOnDisk();
+              }
+            }
+            // All sub-meshes will be stored in MED file
+            // .. will NOT (PAL 12992)
+            //if ( shapeRefFound )
+            //myWriter.AddAllSubMeshes();
+
+           // groups root sub-branch
+           SALOMEDS::SObject_var myGroupsBranch;
+           for ( int i = GetNodeGroupsTag(); i <= GetVolumeGroupsTag(); i++ ) {
+             found = gotBranch->FindSubObject( i, myGroupsBranch );
+             if ( found ) {
+               char name_group[ 30 ];
+               if ( i == GetNodeGroupsTag() )
+                 strcpy( name_group, "Groups of Nodes" );
+               else if ( i == GetEdgeGroupsTag() )
+                 strcpy( name_group, "Groups of Edges" );
+               else if ( i == GetFaceGroupsTag() )
+                 strcpy( name_group, "Groups of Faces" );
+               else if ( i == GetVolumeGroupsTag() )
+                 strcpy( name_group, "Groups of Volumes" );
+
+               aGroup = new HDFgroup( name_group, aTopGroup );
+               aGroup->CreateOnDisk();
+
+               SALOMEDS::ChildIterator_var it = myCurrentStudy->NewChildIterator( myGroupsBranch );
+               for ( ; it->More(); it->Next() ) {
+                 SALOMEDS::SObject_var mySObject = it->Value();
+                 CORBA::Object_var aSubObject = SObjectToObject( mySObject );
+                 if ( !CORBA::is_nil( aSubObject ) ) {
+                   SMESH_GroupBase_i* myGroupImpl =
+                     dynamic_cast<SMESH_GroupBase_i*>( GetServant( aSubObject ).in() );
+                   if ( !myGroupImpl )
+                     continue;
+                   
+                   CORBA::String_var objStr = GetORB()->object_to_string( aSubObject );
+                   int anId = myStudyContext->findId( string( objStr.in() ) );
+                   
+                   // For each group, create a dataset named "Group <group_persistent_id>"
+                   // and store the group's user name into it
+                   char grpName[ 30 ];
+                   sprintf( grpName, "Group %d", anId );
+                   char* aUserName = myGroupImpl->GetName();
+                   aSize[ 0 ] = strlen( aUserName ) + 1;
+                   
+                   aDataset = new HDFdataset( grpName, aGroup, HDF_STRING, aSize, 1 );
+                   aDataset->CreateOnDisk();
+                   aDataset->WriteOnDisk( aUserName );
+                   aDataset->CloseOnDisk();
+
+                   // ouv : NPAL12872
+                   // For each group, create a dataset named "Group <group_persistent_id> Color"
+                   // and store the group's color into it
+                   char grpColorName[ 30 ];
+                   sprintf( grpColorName, "ColorGroup %d", anId );
+                   SALOMEDS::Color aColor = myGroupImpl->GetColor();
+                   double anRGB[3];
+                   anRGB[ 0 ] = aColor.R;
+                   anRGB[ 1 ] = aColor.G;
+                   anRGB[ 2 ] = aColor.B;
+                   aSize[ 0 ] = 3;
+                   aDataset = new HDFdataset( grpColorName, aGroup, HDF_FLOAT64, aSize, 1 );
+                   aDataset->CreateOnDisk();
+                   aDataset->WriteOnDisk( anRGB );
+                   aDataset->CloseOnDisk();
+
+                   // Store the group contents into MED file
+                   if ( myLocMesh.GetGroup( myGroupImpl->GetLocalID() ) ) {
+                     
+                     if(MYDEBUG) MESSAGE( "VSR - SMESH_Gen_i::Save(): saving group with StoreName = "
+                                         << grpName << " to MED file" );
+                     SMESHDS_GroupBase* aGrpBaseDS =
+                       myLocMesh.GetGroup( myGroupImpl->GetLocalID() )->GetGroupDS();
+                     aGrpBaseDS->SetStoreName( grpName );
+
+                     // Pass SMESHDS_Group to MED writer 
+                     SMESHDS_Group* aGrpDS = dynamic_cast<SMESHDS_Group*>( aGrpBaseDS );
+                     if ( aGrpDS )
+                       myWriter.AddGroup( aGrpDS );
+                     
+                     // write reference on a shape if exists
+                     SMESHDS_GroupOnGeom* aGeomGrp =
+                       dynamic_cast<SMESHDS_GroupOnGeom*>( aGrpBaseDS );
+                     if ( aGeomGrp ) {
+                       SALOMEDS::SObject_var mySubRef, myShape;
+                       if (mySObject->FindSubObject( GetRefOnShapeTag(), mySubRef ) &&
+                           mySubRef->ReferencedObject( myShape ) &&
+                           !CORBA::is_nil( myShape->GetObject() ))
+                       {
+                         string myRefOnObject = myShape->GetID();
+                         if ( myRefOnObject.length() > 0 ) {
+                           char aRefName[ 30 ];
+                           sprintf( aRefName, "Ref on shape %d", anId);
+                           aSize[ 0 ] = myRefOnObject.length() + 1;
+                           aDataset = new HDFdataset(aRefName, aGroup, HDF_STRING, aSize, 1);
+                           aDataset->CreateOnDisk();
+                           aDataset->WriteOnDisk( ( char* )( myRefOnObject.c_str() ) );
+                           aDataset->CloseOnDisk();
+                         }
+                       }
+                       else // shape ref is invalid:
+                       {
+                         // save a group on geometry as ordinary group
+                         myWriter.AddGroup( aGeomGrp );
+                       }
+                     }
+                   }
                  }
-                 cmpt_ds++;
-                 cmpt_it++;
                }
-               hdf_subgroup[10+cmpt_sm]->CloseOnDisk();
+               aGroup->CloseOnDisk();
+             }
+           } // loop on groups 
+           
+           if ( strcmp( strHasData.c_str(), "1" ) == 0 )
+           {
+             // Flush current mesh information into MED file
+             myWriter.Perform();
+             
+             // maybe a shape was deleted in the study
+             if ( !shapeRefFound && !mySMESHDSMesh->ShapeToMesh().IsNull() && hasShape) {
+               TopoDS_Shape nullShape;
+               myLocMesh.ShapeToMesh( nullShape ); // remove shape referring data
              }
-             //********** 
              
-             //********** ref on applied algorithms
-             _found2 = mySObject->FindSubObject(Tag_RefOnAppliedAlgorithms,myBranch);
-             SCRUTE(_found2);
-             if (_found2) {
+             if ( !mySMESHDSMesh->SubMeshes().empty() )
+             {
+               // Store submeshes
+               // ----------------
+               aGroup = new HDFgroup( "Submeshes", aTopGroup );
+               aGroup->CreateOnDisk();
+               
+               // each element belongs to one or none submesh,
+               // so for each node/element, we store a submesh ID
                
-               strcpy(name_meshgroup,"Applied Algorithms");
-               cmpt_sm++;
-               hdf_subgroup[10+cmpt_sm] = new HDFgroup(name_meshgroup,hdf_subgroup[myTag]);
-               hdf_subgroup[10+cmpt_sm]->CreateOnDisk();
+               // Make maps of submesh IDs of elements sorted by element IDs
+               typedef int TElemID;
+               typedef int TSubMID;
+               map< TElemID, TSubMID > eId2smId, nId2smId;
+               map< TElemID, TSubMID >::iterator hint; // insertion to map is done before hint
+               const map<int,SMESHDS_SubMesh*>& aSubMeshes = mySMESHDSMesh->SubMeshes();
+               map<int,SMESHDS_SubMesh*>::const_iterator itSubM ( aSubMeshes.begin() );
+               SMDS_NodeIteratorPtr itNode;
+               SMDS_ElemIteratorPtr itElem;
+               for ( itSubM = aSubMeshes.begin(); itSubM != aSubMeshes.end() ; itSubM++ )
+               {
+                 TSubMID          aSubMeID = itSubM->first;
+                 SMESHDS_SubMesh* aSubMesh = itSubM->second;
+                 if ( aSubMesh->IsComplexSubmesh() )
+                   continue; // submesh containing other submeshs
+                 // nodes
+                 hint = nId2smId.begin(); // optimize insertion basing on increasing order of elem Ids in submesh
+                 for ( itNode = aSubMesh->GetNodes(); itNode->more(); ++hint)
+                   hint = nId2smId.insert( hint, make_pair( itNode->next()->GetID(), aSubMeID ));
+                  // elements
+                 hint = eId2smId.begin();
+                 for ( itElem = aSubMesh->GetElements(); itElem->more(); ++hint)
+                   hint = eId2smId.insert( hint, make_pair( itElem->next()->GetID(), aSubMeID ));
+               }
                
-               it = Study->NewChildIterator(myBranch);
-               cmpt_it = 0;
-               for (; it->More();it->Next()) {
-                 mySObjectChild = it->Value();
-                 ok = mySObjectChild->ReferencedObject(myRef);
-                 myRefOnObject = myRef->GetID();
+               // Care of elements that are not on submeshes
+               if ( mySMESHDSMesh->NbNodes() != nId2smId.size() ) {
+                 for ( itNode = mySMESHDSMesh->nodesIterator(); itNode->more(); )
+                   /*  --- stl_map.h says : */
+                   /*  A %map relies on unique keys and thus a %pair is only inserted if its */
+                   /*  first element (the key) is not already present in the %map.           */
+                   nId2smId.insert( make_pair( itNode->next()->GetID(), 0 ));
+               }
+               int nbElems = mySMESHDSMesh->NbEdges() + mySMESHDSMesh->NbFaces() + mySMESHDSMesh->NbVolumes();
+               if ( nbElems != eId2smId.size() ) {
+                 for ( itElem = mySMESHDSMesh->elementsIterator(); itElem->more(); )
+                   eId2smId.insert( make_pair( itElem->next()->GetID(), 0 ));
+               }
+               
+               // Store submesh IDs
+               for ( int isNode = 0; isNode < 2; ++isNode )
+               {
+                 map< TElemID, TSubMID >& id2smId = isNode ? nId2smId : eId2smId;
+                 if ( id2smId.empty() ) continue;
+                 map< TElemID, TSubMID >::const_iterator id_smId = id2smId.begin();
+                 // make and fill array of submesh IDs
+                 int* smIDs = new int [ id2smId.size() ];
+                 for ( int i = 0; id_smId != id2smId.end(); ++id_smId, ++i )
+                   smIDs[ i ] = id_smId->second;
+                 // write HDF group
+                 aSize[ 0 ] = id2smId.size();
+                 string aDSName( isNode ? "Node Submeshes" : "Element Submeshes");
+                 aDataset = new HDFdataset( (char*)aDSName.c_str(), aGroup, HDF_INT32, aSize, 1 );
+                 aDataset->CreateOnDisk();
+                 aDataset->WriteOnDisk( smIDs );
+                 aDataset->CloseOnDisk();
+                 //
+                 delete smIDs;
+               }
+                
+               // Store node positions on sub-shapes (SMDS_Position):
+               // ----------------------------------------------------
+               
+               aGroup = new HDFgroup( "Node Positions", aTopGroup );
+               aGroup->CreateOnDisk();
+               
+               // in aGroup, create 5 datasets to contain:
+               // "Nodes on Edges" - ID of node on edge
+               // "Edge positions" - U parameter on node on edge
+               // "Nodes on Faces" - ID of node on face
+               // "Face U positions" - U parameter of node on face
+               // "Face V positions" - V parameter of node on face
+               
+               // Find out nb of nodes on edges and faces
+               // Collect corresponing sub-meshes
+               int nbEdgeNodes = 0, nbFaceNodes = 0;
+               list<SMESHDS_SubMesh*> aEdgeSM, aFaceSM;
+               // loop on SMESHDS_SubMesh'es
+               for ( itSubM = aSubMeshes.begin(); itSubM != aSubMeshes.end() ; itSubM++ )
+               {
+                 SMESHDS_SubMesh* aSubMesh = (*itSubM).second;
+                 if ( aSubMesh->IsComplexSubmesh() )
+                   continue; // submesh containing other submeshs
+                 int nbNodes = aSubMesh->NbNodes();
+                 if ( nbNodes == 0 ) continue;
                  
-                 longueur = strlen(myRefOnObject) +1;
-                 if (longueur>1) {
-                   size[0]=longueur;
-                   sprintf(name_dataset,"Algo %d",cmpt_it);
-                   hdf_dataset[cmpt_ds]=new HDFdataset(name_dataset,hdf_subgroup[10+cmpt_sm],HDF_STRING,size,1);
-                   hdf_dataset[cmpt_ds]->CreateOnDisk();
-                   hdf_dataset[cmpt_ds]->WriteOnDisk(myRefOnObject);
-                   hdf_dataset[cmpt_ds]->CloseOnDisk();
+                 int aShapeID = (*itSubM).first;
+                 int aShapeType = mySMESHDSMesh->IndexToShape( aShapeID ).ShapeType();
+                 // write only SMDS_FacePosition and SMDS_EdgePosition
+                 switch ( aShapeType ) {
+                 case TopAbs_FACE:
+                   nbFaceNodes += nbNodes;
+                   aFaceSM.push_back( aSubMesh );
+                   break;
+                 case TopAbs_EDGE:
+                   nbEdgeNodes += nbNodes;
+                   aEdgeSM.push_back( aSubMesh );
+                   break;
+                 default:
+                   continue;
                  }
-                 cmpt_ds++;
-                 cmpt_it++;
                }
-               hdf_subgroup[10+cmpt_sm]->CloseOnDisk();
-             }
-             //MESSAGE("end of algo applied");
-             //********** 
-             
-             hdf_subgroup[myTag]->CloseOnDisk();
-           }
+               // Treat positions on edges or faces
+               for ( int onFace = 0; onFace < 2; onFace++ )
+               {
+                 // Create arrays to store in datasets
+                 int iNode = 0, nbNodes = ( onFace ? nbFaceNodes : nbEdgeNodes );
+                 if (!nbNodes) continue;
+                 int* aNodeIDs = new int [ nbNodes ];
+                 double* aUPos = new double [ nbNodes ];
+                 double* aVPos = ( onFace ? new double[ nbNodes ] : 0 );
+                 
+                 // Fill arrays
+                 // loop on sub-meshes
+                 list<SMESHDS_SubMesh*> * pListSM = ( onFace ? &aFaceSM : &aEdgeSM );
+                 list<SMESHDS_SubMesh*>::iterator itSM = pListSM->begin();
+                 for ( ; itSM != pListSM->end(); itSM++ )
+                 {
+                   SMESHDS_SubMesh* aSubMesh = (*itSM);
+                   
+                   SMDS_NodeIteratorPtr itNode = aSubMesh->GetNodes();
+                   // loop on nodes in aSubMesh
+                   while ( itNode->more() )
+                   {
+                     //node ID
+                     const SMDS_MeshNode* node = itNode->next();
+                     aNodeIDs [ iNode ] = node->GetID();
+                     
+                     // Position
+                     const SMDS_PositionPtr pos = node->GetPosition();
+                     if ( onFace ) { // on FACE
+                       const SMDS_FacePosition* fPos =
+                         dynamic_cast<const SMDS_FacePosition*>( pos.get() );
+                       if ( fPos ) {
+                         aUPos[ iNode ] = fPos->GetUParameter();
+                         aVPos[ iNode ] = fPos->GetVParameter();
+                         iNode++;
+                       }
+                       else
+                         nbNodes--;
+                     }
+                     else { // on EDGE
+                       const SMDS_EdgePosition* ePos =
+                         dynamic_cast<const SMDS_EdgePosition*>( pos.get() );
+                       if ( ePos ) {
+                         aUPos[ iNode ] = ePos->GetUParameter();
+                         iNode++;
+                       }
+                       else
+                         nbNodes--;
+                     }
+                   } // loop on nodes in aSubMesh
+                 } // loop on sub-meshes
+                 
+                 // Write datasets
+                 if ( nbNodes )
+                 {
+                   aSize[ 0 ] = nbNodes;
+                   // IDS
+                   string aDSName( onFace ? "Nodes on Faces" : "Nodes on Edges");
+                   aDataset = new HDFdataset( (char*)aDSName.c_str(), aGroup, HDF_INT32, aSize, 1 );
+                   aDataset->CreateOnDisk();
+                   aDataset->WriteOnDisk( aNodeIDs );
+                   aDataset->CloseOnDisk();
+               
+                   // U Positions
+                   aDSName = ( onFace ? "Face U positions" : "Edge positions");
+                   aDataset = new HDFdataset( (char*)aDSName.c_str(), aGroup, HDF_FLOAT64, aSize, 1);
+                   aDataset->CreateOnDisk();
+                   aDataset->WriteOnDisk( aUPos );
+                   aDataset->CloseOnDisk();
+                   // V Positions
+                   if ( onFace ) {
+                     aDataset = new HDFdataset( "Face V positions", aGroup, HDF_FLOAT64, aSize, 1);
+                     aDataset->CreateOnDisk();
+                     aDataset->WriteOnDisk( aVPos );
+                     aDataset->CloseOnDisk();
+                   }
+                 }
+                 delete [] aNodeIDs;
+                 delete [] aUPos;
+                 if ( aVPos ) delete [] aVPos;
+                 
+               } // treat positions on edges or faces
+               
+               // close "Node Positions" group
+               aGroup->CloseOnDisk(); 
+               
+             } // if ( there are submeshes in SMESHDS_Mesh )
+           } // if ( hasData )
            
-           hdf_subgroup[myLevel1Tag]->CloseOnDisk();
+           // close mesh HDF group
+           aTopGroup->CloseOnDisk();
          }
-         
        }
-       //********** 
-       
-       //********** closing of the HDF group
-       hdf_group[gotBranch->Tag()]->CloseOnDisk();
-       MESSAGE("End of Mesh Save");
-       //********** 
-      }                  
+      }
     }
-    MESSAGE("End of Meshes Save");
   }
+  
+  // close HDF file
+  aFile->CloseOnDisk();
+  delete aFile;
 
-  hdf_file->CloseOnDisk();
-  delete hdf_file;
-  hdf_file = 0;
+  // Convert temporary files to stream
+  aStreamFile = SALOMEDS_Tool::PutFilesToStream( tmpDir.ToCString(), aFileSeq.in(), isMultiFile );
+
+  // Remove temporary files and directory
+  if ( !isMultiFile ) 
+    SALOMEDS_Tool::RemoveTemporaryFiles( tmpDir.ToCString(), aFileSeq.in(), true );
+
+  INFOS( "SMESH_Gen_i::Save() completed" );
+  return aStreamFile._retn();
+}
+
+//=============================================================================
+/*!
+ *  SMESH_Gen_i::SaveASCII
+ *
+ *  Save SMESH module's data in ASCII format
+ */
+//=============================================================================
+
+SALOMEDS::TMPFile* SMESH_Gen_i::SaveASCII( SALOMEDS::SComponent_ptr theComponent,
+                                          const char*              theURL,
+                                          bool                     isMultiFile ) {
+  if(MYDEBUG) MESSAGE( "SMESH_Gen_i::SaveASCII" );
+  SALOMEDS::TMPFile_var aStreamFile = Save( theComponent, theURL, isMultiFile );
+  return aStreamFile._retn();
+
+  //after usual saving needs to encipher binary to text string
+  //Any binary symbol will be represent as "|xx" () hexadecimal format number
+  int size = aStreamFile.in().length();
+  _CORBA_Octet* buffer = new _CORBA_Octet[size*3+1];
+  for ( int i = 0; i < size; i++ )
+    sprintf( (char*)&(buffer[i*3]), "|%02x", (char*)(aStreamFile[i]) );
+
+  buffer[size * 3] = '\0';
+
+  SALOMEDS::TMPFile_var anAsciiStreamFile = new SALOMEDS::TMPFile(size*3, size*3, buffer, 1);
+  
+  return anAsciiStreamFile._retn();
+}
 
-  // Convert temporary files to stream
-  aStreamFile = SALOMEDS_Tool::PutFilesToStream(tmpDir.ToCString(), aFileSeq.in(), isMultiFile);
+//=============================================================================
+/*!
+ *  SMESH_Gen_i::loadGeomData
+ *
+ *  Load GEOM module data
+ */
+//=============================================================================
 
-  // Remove temporary files and directory
-  if (!isMultiFile) SALOMEDS_Tool::RemoveTemporaryFiles(tmpDir.ToCString(), aFileSeq.in(), true);
+void SMESH_Gen_i::loadGeomData( SALOMEDS::SComponent_ptr theCompRoot )
+{
+  if ( theCompRoot->_is_nil() )
+    return;
 
-  MESSAGE("End SMESH_Gen_i::Save");
+  SALOMEDS::Study_var aStudy = SALOMEDS::Study::_narrow( theCompRoot->GetStudy() );
+  if ( aStudy->_is_nil() )
+    return;
 
-  return aStreamFile._retn();
+  SALOMEDS::StudyBuilder_var aStudyBuilder = aStudy->NewBuilder(); 
+  aStudyBuilder->LoadWith( theCompRoot, GetGeomEngine() );
 }
+//=============================================================================
+/*!
+ * \brief Creates SMDS_Position according to shape type
+ */
+//=============================================================================
 
-SALOMEDS::TMPFile* SMESH_Gen_i::SaveASCII(SALOMEDS::SComponent_ptr theComponent,
-                                         const char* theURL,
-                                         bool isMultiFile) {
-  SALOMEDS::TMPFile_var aStreamFile = Save(theComponent, theURL, isMultiFile);
-  return aStreamFile._retn();
-}
+class PositionCreator {
+public:
+  SMDS_PositionPtr MakePosition(const TopAbs_ShapeEnum type) {
+    return (this->*myFuncTable[ type ])();
+  }
+  PositionCreator() {
+    myFuncTable.resize( (size_t) TopAbs_SHAPE, & PositionCreator::defaultPosition );
+    myFuncTable[ TopAbs_FACE ] = & PositionCreator::facePosition;
+    myFuncTable[ TopAbs_EDGE ] = & PositionCreator::edgePosition;
+    myFuncTable[ TopAbs_VERTEX ] = & PositionCreator::vertexPosition;
+  }
+private:
+  SMDS_PositionPtr edgePosition()    const { return SMDS_PositionPtr( new SMDS_EdgePosition  ); }
+  SMDS_PositionPtr facePosition()    const { return SMDS_PositionPtr( new SMDS_FacePosition  ); }
+  SMDS_PositionPtr vertexPosition()  const { return SMDS_PositionPtr( new SMDS_VertexPosition); }
+  SMDS_PositionPtr defaultPosition() const { return SMDS_SpacePosition::originSpacePosition();  }
+  typedef SMDS_PositionPtr (PositionCreator:: * FmakePos)() const;
+  vector<FmakePos> myFuncTable;
+};
 
 //=============================================================================
 /*!
- *  
+ *  SMESH_Gen_i::Load
+ *
+ *  Load SMESH module's data
  */
 //=============================================================================
 
-bool SMESH_Gen_i::Load(SALOMEDS::SComponent_ptr theComponent,
-                      const SALOMEDS::TMPFile& theStream,
-                      const char* theURL,
-                      bool isMultiFile)
+bool SMESH_Gen_i::Load( SALOMEDS::SComponent_ptr theComponent,
+                       const SALOMEDS::TMPFile& theStream,
+                       const char*              theURL,
+                       bool                     isMultiFile )
 {
-  MESSAGE("SMESH_Gen_i::Load\n");
+  INFOS( "SMESH_Gen_i::Load" );
 
-  // Get temporary files location
-  TCollection_AsciiString tmpDir = isMultiFile?TCollection_AsciiString((char*)theURL):SALOMEDS_Tool::GetTmpDir();
+  if ( myCurrentStudy->_is_nil() || 
+       theComponent->GetStudy()->StudyId() != myCurrentStudy->StudyId() )
+    SetCurrentStudy( theComponent->GetStudy() );
 
-  // Convert the stream into sequence of files to process
-  SALOMEDS::ListOfFileNames_var aFileSeq = SALOMEDS_Tool::PutStreamToFiles(theStream,
-                                                                           tmpDir.ToCString(),
-                                                                          isMultiFile);
+  /*  if( !theComponent->_is_nil() )
+      {
+      //SALOMEDS::Study_var aStudy = SALOMEDS::Study::_narrow( theComponent->GetStudy() );
+      if( !myCurrentStudy->FindComponent( "GEOM" )->_is_nil() )
+      loadGeomData( myCurrentStudy->FindComponent( "GEOM" ) );
+      }*/
 
-  TCollection_AsciiString aStudyName("");
-  if (isMultiFile) aStudyName = (SALOMEDS_Tool::GetNameFromPath(theComponent->GetStudy()->URL()));
+  StudyContext* myStudyContext = GetCurrentStudyContext();
 
-  // Set names of temporary files
-  TCollection_AsciiString filename = tmpDir + aStudyName + TCollection_AsciiString("_SMESH.hdf");
-  TCollection_AsciiString hypofile = tmpDir + aStudyName + TCollection_AsciiString("_SMESH_Hypo.txt");
-  TCollection_AsciiString algofile = tmpDir + aStudyName + TCollection_AsciiString("_SMESH_Algo.txt");
-  TCollection_AsciiString meshfile = tmpDir + aStudyName + TCollection_AsciiString("_SMESH_Mesh.med");
+  // Get temporary files location
+  TCollection_AsciiString tmpDir =
+    isMultiFile ? TCollection_AsciiString( ( char* )theURL ) : ( char* )SALOMEDS_Tool::GetTmpDir().c_str();
+    
+    INFOS( "THE URL++++++++++++++" )
+    INFOS( theURL );
+    INFOS( "THE TMP PATH+++++++++" );
+    INFOS( tmpDir );
 
-  SALOMEDS::Study_var Study = theComponent->GetStudy(); 
-  int studyId = Study->StudyId();
-  SCRUTE(studyId);
+  // Convert the stream into sequence of files to process
+  SALOMEDS::ListOfFileNames_var aFileSeq = SALOMEDS_Tool::PutStreamToFiles( theStream,
+                                                                            tmpDir.ToCString(),
+                                                                           isMultiFile );
+  TCollection_AsciiString aStudyName( "" );
+  if ( isMultiFile ) 
+    aStudyName = ( (char*)SALOMEDS_Tool::GetNameFromPath( myCurrentStudy->URL() ).c_str() );
 
-  SALOMEDS::GenericAttribute_var anAttr;
-  SALOMEDS::AttributeName_var    aName;
-  SALOMEDS::AttributeIOR_var    anIOR;
-
-  SALOMEDS::SComponent_var fathergeom = Study->FindComponent("GEOM");
-  SALOMEDS::SComponent_var myGeomSComp = SALOMEDS::SComponent::_narrow( fathergeom );
-  SCRUTE(fathergeom);
-
-  //to get the geom engine !!!
-  //useful to define our new mesh
-  SALOME_NamingService* _NS = SINGLETON_<SALOME_NamingService>::Instance() ;
-  ASSERT(SINGLETON_<SALOME_NamingService>::IsAlreadyExisting()) ;
-  _NS->init_orb( _orb ) ;
-  SALOME_LifeCycleCORBA* myEnginesLifeCycle = new SALOME_LifeCycleCORBA(_NS);
-  Engines::Component_var geomEngine =
-    myEnginesLifeCycle->FindOrLoad_Component("FactoryServer","GEOM");
-  GEOM::GEOM_Gen_var myGeomEngine = GEOM::GEOM_Gen::_narrow(geomEngine);
-
-
-  char* aLine;
-  bool ok;
-  char objectId[10],name_dataset[10];
-  int nb_datasets,size,cmpt_ds=0;
-  int cmpt_sm = 0;
-
-  char name[HDF_NAME_MAX_LEN+1];
-  char sgname[HDF_NAME_MAX_LEN+1];
-  char msgname[HDF_NAME_MAX_LEN+1];
-  char name_of_group[HDF_NAME_MAX_LEN+1];
-  char *name_meshgroup;
-  map <int,HDFgroup*> hdf_group, hdf_subgroup;
-  map <int,HDFdataset*> hdf_dataset;
-  FILE *loadedFile;
-
-  //************* HDF file opening
-  HDFfile * hdf_file = new HDFfile(filename.ToCString());
+  // Set names of temporary files
+  TCollection_AsciiString filename = tmpDir + aStudyName + TCollection_AsciiString( "_SMESH.hdf" );
+  TCollection_AsciiString meshfile = tmpDir + aStudyName + TCollection_AsciiString( "_SMESH_Mesh.med" );
+
+  int size;
+  HDFfile*    aFile;
+  HDFdataset* aDataset;
+  HDFgroup*   aTopGroup;
+  HDFgroup*   aGroup;
+  HDFgroup*   aSubGroup;
+  HDFgroup*   aSubSubGroup;
+
+  // Read data
+  // ---> open HDF file
+  aFile = new HDFfile( filename.ToCString() );
   try {
-    hdf_file->OpenOnDisk(HDF_RDONLY);
+    aFile->OpenOnDisk( HDF_RDONLY );
   }
-  catch (HDFexception) {
-    MESSAGE("Load(): " << filename << " not found!");
+  catch ( HDFexception ) {
+    INFOS( "Load(): " << filename << " not found!" );
     return false;
   }
 
-  //****************************
+  DriverMED_R_SMESHDS_Mesh myReader;
+  myReader.SetFile( meshfile.ToCString() );
+
+  // For PAL13473 ("Repetitive mesh") implementation.
+  // New dependencies between SMESH objects are established:
+  // now hypotheses can refer to meshes, shapes and other hypotheses.
+  // To keep data consistent, the following order of data restoration
+  // imposed:
+  // 1. Create hypotheses
+  // 2. Create all meshes
+  // 3. Load hypotheses' data
+  // 4. All the rest
+
+  list< pair< SMESH_Hypothesis_i*, string > >    hypDataList;
+  list< pair< SMESH_Mesh_i*,       HDFgroup* > > meshGroupList;
+
+  // get total number of top-level groups
+  int aNbGroups = aFile->nInternalObjects(); 
+  if ( aNbGroups > 0 ) {
+    // --> in first turn we should read&create hypotheses
+    if ( aFile->ExistInternalObject( "Hypotheses" ) ) {
+      // open hypotheses root HDF group
+      aTopGroup = new HDFgroup( "Hypotheses", aFile ); 
+      aTopGroup->OpenOnDisk();
+
+      // get number of hypotheses
+      int aNbObjects = aTopGroup->nInternalObjects(); 
+      for ( int j = 0; j < aNbObjects; j++ ) {
+       // try to identify hypothesis
+       char hypGrpName[ HDF_NAME_MAX_LEN+1 ];
+        aTopGroup->InternalObjectIndentify( j, hypGrpName );
+
+       if ( string( hypGrpName ).substr( 0, 10 ) == string( "Hypothesis" ) ) {
+         // open hypothesis group
+         aGroup = new HDFgroup( hypGrpName, aTopGroup ); 
+         aGroup->OpenOnDisk();
+
+         // --> get hypothesis id
+         int    id = atoi( string( hypGrpName ).substr( 10 ).c_str() );
+         string hypname;
+         string libname;
+         string hypdata;
+
+         // get number of datasets
+         int aNbSubObjects = aGroup->nInternalObjects();
+         for ( int k = 0; k < aNbSubObjects; k++ ) {
+           // identify dataset
+           char name_of_subgroup[ HDF_NAME_MAX_LEN+1 ];
+           aGroup->InternalObjectIndentify( k, name_of_subgroup );
+           // --> get hypothesis name
+           if ( strcmp( name_of_subgroup, "Name"  ) == 0 ) {
+             aDataset = new HDFdataset( name_of_subgroup, aGroup );
+             aDataset->OpenOnDisk();
+             size = aDataset->GetSize();
+             char* hypname_str = new char[ size ];
+             aDataset->ReadFromDisk( hypname_str );
+             hypname = string( hypname_str );
+             delete [] hypname_str;
+             aDataset->CloseOnDisk();
+           }
+           // --> get hypothesis plugin library name
+           if ( strcmp( name_of_subgroup, "LibName"  ) == 0 ) {
+             aDataset = new HDFdataset( name_of_subgroup, aGroup );
+             aDataset->OpenOnDisk();
+             size = aDataset->GetSize();
+             char* libname_str = new char[ size ];
+             aDataset->ReadFromDisk( libname_str );
+             if(MYDEBUG) SCRUTE( libname_str );
+             libname = string( libname_str );
+             delete [] libname_str;
+             aDataset->CloseOnDisk();
+           }
+           // --> get hypothesis data
+           if ( strcmp( name_of_subgroup, "Data"  ) == 0 ) {
+             aDataset = new HDFdataset( name_of_subgroup, aGroup );
+             aDataset->OpenOnDisk();
+             size = aDataset->GetSize();
+             char* hypdata_str = new char[ size ];
+             aDataset->ReadFromDisk( hypdata_str );
+             hypdata = string( hypdata_str );
+             delete [] hypdata_str;
+             aDataset->CloseOnDisk();
+           }
+         }
+         // close hypothesis HDF group
+         aGroup->CloseOnDisk();
 
-  int nb_group = hdf_file->nInternalObjects(); 
-  SCRUTE(nb_group);
-  for (int i=0;i<nb_group;i++) 
-    {
-      hdf_file->InternalObjectIndentify(i,name);
-      //SCRUTE(name);
-      
-//***************
-// Loading of the Hypothesis Branch
-//***************
-      if (strcmp(name,"Hypothesis")==0) {
-        
-        double length,maxElementsArea,maxElementsVolume;
-        int numberOfSegments;
+         // --> restore hypothesis from data
+         if ( id > 0 && !hypname.empty()/* && !hypdata.empty()*/ ) { // VSR : persistent data can be empty
+           if(MYDEBUG) MESSAGE("VSR - load hypothesis : id = " << id <<
+                                ", name = " << hypname.c_str() << ", persistent string = " << hypdata.c_str());
+            SMESH::SMESH_Hypothesis_var myHyp;
 
-        hdf_group[Tag_HypothesisRoot] = new HDFgroup(name,hdf_file); 
-        hdf_group[Tag_HypothesisRoot]->OpenOnDisk();
-        
-        hdf_group[Tag_HypothesisRoot]->InternalObjectIndentify(0,name_of_group);
-        hdf_dataset[cmpt_ds]=new HDFdataset(name_of_group,hdf_group[Tag_HypothesisRoot]);
-        hdf_dataset[cmpt_ds]->OpenOnDisk();
-        size=hdf_dataset[cmpt_ds]->GetSize();
-
-        char * name_of_file =new char[size];
-        hdf_dataset[cmpt_ds]->ReadFromDisk(name_of_file);
-        SCRUTE(name_of_file);
-        hdf_dataset[cmpt_ds]->CloseOnDisk();
-        hdf_group[Tag_HypothesisRoot]->CloseOnDisk();
-        cmpt_ds++;
-        delete[] name_of_file;
-        name_of_file = 0;
-
-        aLine = new char[100];
-        loadedFile = fopen( hypofile.ToCString() ,"r");
-        while (!feof(loadedFile)) {
-          fscanf(loadedFile,"%s",aLine);
-          //SCRUTE(aLine);
-          if (strcmp(aLine,"LocalLength")==0) {
-            SMESH::SMESH_Hypothesis_var myHyp  = this->CreateHypothesis(aLine,studyId);
-            SMESH::SMESH_LocalLength_var LL = SMESH::SMESH_LocalLength::_narrow( myHyp );
-            fscanf(loadedFile,"%s",aLine);
-            length = atof(aLine);
-            LL->SetLength(length);
-            string iorString = _orb->object_to_string(LL);
-            sprintf(objectId,"%d",LL->GetId());
-            _SMESHCorbaObj[string("Hypo_")+string(objectId)] = iorString;
-          }
-          else if (strcmp(aLine,"NumberOfSegments")==0) {
-            SMESH::SMESH_Hypothesis_var myHyp  = this->CreateHypothesis(aLine,studyId);
-            SMESH::SMESH_NumberOfSegments_var NOS = SMESH::SMESH_NumberOfSegments::_narrow( myHyp );
-            fscanf(loadedFile,"%s",aLine);
-            numberOfSegments = atoi(aLine);
-            NOS->SetNumberOfSegments(numberOfSegments);
-            string iorString = _orb->object_to_string(NOS);
-            sprintf(objectId,"%d",NOS->GetId());
-            _SMESHCorbaObj[string("Hypo_")+string(objectId)] = iorString;
+           try { // protect persistence mechanism against exceptions
+             myHyp = this->createHypothesis( hypname.c_str(), libname.c_str() );
+           }
+           catch (...) {
+             INFOS( "Exception during hypothesis creation" );
+           }
+
+           SMESH_Hypothesis_i* myImpl = dynamic_cast<SMESH_Hypothesis_i*>( GetServant( myHyp ).in() );
+           if ( myImpl ) {
+             // myImpl->LoadFrom( hypdata.c_str() );
+              hypDataList.push_back( make_pair( myImpl, hypdata ));
+             string iorString = GetORB()->object_to_string( myHyp );
+             int newId = myStudyContext->findId( iorString );
+             myStudyContext->mapOldToNew( id, newId );
+           }
+           else
+             if(MYDEBUG) MESSAGE( "VSR - SMESH_Gen::Load - can't get servant" );
           }
-          else if (strcmp(aLine,"MaxElementArea")==0) {
-            SMESH::SMESH_Hypothesis_var myHyp  = this->CreateHypothesis(aLine,studyId);
-            SMESH::SMESH_MaxElementArea_var MEA = SMESH::SMESH_MaxElementArea::_narrow( myHyp );
-            fscanf(loadedFile,"%s",aLine);
-            maxElementsArea = atof(aLine);
-            MEA->SetMaxElementArea(maxElementsArea);
-            string iorString = _orb->object_to_string(MEA);
-            sprintf(objectId,"%d",MEA->GetId());
-            _SMESHCorbaObj[string("Hypo_")+string(objectId)] = iorString;
+        }
+      }
+      // close hypotheses root HDF group
+      aTopGroup->CloseOnDisk();
+      aTopGroup = 0;
+    }
+
+    // --> then we should read&create algorithms
+    if ( aFile->ExistInternalObject( "Algorithms" ) ) {
+      // open algorithms root HDF group
+      aTopGroup = new HDFgroup( "Algorithms", aFile ); 
+      aTopGroup->OpenOnDisk();
+
+      // get number of algorithms
+      int aNbObjects = aTopGroup->nInternalObjects(); 
+      for ( int j = 0; j < aNbObjects; j++ ) {
+       // try to identify algorithm
+       char hypGrpName[ HDF_NAME_MAX_LEN+1 ];
+        aTopGroup->InternalObjectIndentify( j, hypGrpName );
+
+       if ( string( hypGrpName ).substr( 0, 9 ) == string( "Algorithm" ) ) {
+         // open algorithm group
+         aGroup = new HDFgroup( hypGrpName, aTopGroup ); 
+         aGroup->OpenOnDisk();
+
+         // --> get algorithm id
+         int    id = atoi( string( hypGrpName ).substr( 9 ).c_str() );
+         string hypname;
+         string libname;
+         string hypdata;
+
+         // get number of datasets
+         int aNbSubObjects = aGroup->nInternalObjects();
+         for ( int k = 0; k < aNbSubObjects; k++ ) {
+           // identify dataset
+           char name_of_subgroup[ HDF_NAME_MAX_LEN+1 ];
+           aGroup->InternalObjectIndentify( k, name_of_subgroup );
+           // --> get algorithm name
+           if ( strcmp( name_of_subgroup, "Name"  ) == 0 ) {
+             aDataset = new HDFdataset( name_of_subgroup, aGroup );
+             aDataset->OpenOnDisk();
+             size = aDataset->GetSize();
+             char* hypname_str = new char[ size ];
+             aDataset->ReadFromDisk( hypname_str );
+             hypname = string( hypname_str );
+             delete [] hypname_str;
+             aDataset->CloseOnDisk();
+           }
+           // --> get algorithm plugin library name
+           if ( strcmp( name_of_subgroup, "LibName"  ) == 0 ) {
+             aDataset = new HDFdataset( name_of_subgroup, aGroup );
+             aDataset->OpenOnDisk();
+             size = aDataset->GetSize();
+             char* libname_str = new char[ size ];
+             aDataset->ReadFromDisk( libname_str );
+             if(MYDEBUG) SCRUTE( libname_str );
+             libname = string( libname_str );
+             delete [] libname_str;
+             aDataset->CloseOnDisk();
+           }
+           // --> get algorithm data
+           if ( strcmp( name_of_subgroup, "Data"  ) == 0 ) {
+             aDataset = new HDFdataset( name_of_subgroup, aGroup );
+             aDataset->OpenOnDisk();
+             size = aDataset->GetSize();
+             char* hypdata_str = new char[ size ];
+             aDataset->ReadFromDisk( hypdata_str );
+             if(MYDEBUG) SCRUTE( hypdata_str );
+             hypdata = string( hypdata_str );
+             delete [] hypdata_str;
+             aDataset->CloseOnDisk();
+           }
+         }
+         // close algorithm HDF group
+         aGroup->CloseOnDisk();
+
+         // --> restore algorithm from data
+         if ( id > 0 && !hypname.empty()/* && !hypdata.empty()*/ ) { // VSR : persistent data can be empty
+           if(MYDEBUG) MESSAGE("VSR - load algo : id = " << id <<
+                                ", name = " << hypname.c_str() << ", persistent string = " << hypdata.c_str());
+            SMESH::SMESH_Hypothesis_var myHyp;
+
+           try { // protect persistence mechanism against exceptions
+             myHyp = this->createHypothesis( hypname.c_str(), libname.c_str() );
+           }
+           catch (...) {
+             INFOS( "Exception during hypothesis creation" );
+           }
+
+           SMESH_Hypothesis_i* myImpl = dynamic_cast<SMESH_Hypothesis_i*>( GetServant( myHyp ).in() );
+           if ( myImpl ) {
+             //myImpl->LoadFrom( hypdata.c_str() );
+              hypDataList.push_back( make_pair( myImpl, hypdata ));
+             string iorString = GetORB()->object_to_string( myHyp );
+             int newId = myStudyContext->findId( iorString );
+             myStudyContext->mapOldToNew( id, newId );
+           }
+           else
+             if(MYDEBUG) MESSAGE( "VSR - SMESH_Gen::Load - can't get servant" );
           }
-          else if (strcmp(aLine,"MaxElementVolume")==0) {
-            SMESH::SMESH_Hypothesis_var myHyp  = this->CreateHypothesis(aLine,studyId);
-            SMESH::SMESH_MaxElementVolume_var MEV = SMESH::SMESH_MaxElementVolume::_narrow( myHyp );
-            fscanf(loadedFile,"%s",aLine);
-            maxElementsVolume = atof(aLine);
-            MEV->SetMaxElementVolume(maxElementsVolume);
-            string iorString = _orb->object_to_string(MEV);
-            sprintf(objectId,"%d",MEV->GetId());
-            _SMESHCorbaObj[string("Hypo_")+string(objectId)] = iorString;
+        }
+      }
+      // close algorithms root HDF group
+      aTopGroup->CloseOnDisk();
+      aTopGroup = 0;
+    }
+
+    // --> the rest groups should be meshes
+    for ( int i = 0; i < aNbGroups; i++ ) {
+      // identify next group
+      char meshName[ HDF_NAME_MAX_LEN+1 ];
+      aFile->InternalObjectIndentify( i, meshName );
+
+      if ( string( meshName ).substr( 0, 4 ) == string( "Mesh" ) ) {
+       // --> get mesh id
+       int id = atoi( string( meshName ).substr( 4 ).c_str() );
+       if ( id <= 0 )
+         continue;
+
+       // open mesh HDF group
+       aTopGroup = new HDFgroup( meshName, aFile ); 
+       aTopGroup->OpenOnDisk();
+
+       // get number of child HDF objects
+       int aNbObjects = aTopGroup->nInternalObjects(); 
+       if ( aNbObjects > 0 ) {
+         // create mesh
+         if(MYDEBUG) MESSAGE( "VSR - load mesh : id = " << id );
+         SMESH::SMESH_Mesh_var myNewMesh = this->createMesh();
+         SMESH_Mesh_i* myNewMeshImpl = dynamic_cast<SMESH_Mesh_i*>( GetServant( myNewMesh ).in() );
+          if ( !myNewMeshImpl )
+           continue;
+          meshGroupList.push_back( make_pair( myNewMeshImpl, aTopGroup ));
+
+         string iorString = GetORB()->object_to_string( myNewMesh );
+         int newId = myStudyContext->findId( iorString );
+         myStudyContext->mapOldToNew( id, newId );
+
+         // ouv : NPAL12872
+         // try to read and set auto color flag
+         char aMeshAutoColorName[ 30 ];
+         sprintf( aMeshAutoColorName, "AutoColorMesh %d", id);
+         if( aTopGroup->ExistInternalObject( aMeshAutoColorName ) )
+         {
+           aDataset = new HDFdataset( aMeshAutoColorName, aTopGroup );
+           aDataset->OpenOnDisk();
+           size = aDataset->GetSize();
+           int* anAutoColor = new int[ size ];
+           aDataset->ReadFromDisk( anAutoColor );
+           aDataset->CloseOnDisk();
+           myNewMeshImpl->SetAutoColor( (bool)anAutoColor[0] );
+         }
+
+          // try to read and set reference to shape
+          GEOM::GEOM_Object_var aShapeObject;
+          if ( aTopGroup->ExistInternalObject( "Ref on shape" ) ) {
+            // load mesh "Ref on shape" - it's an entry to SObject
+            aDataset = new HDFdataset( "Ref on shape", aTopGroup );
+            aDataset->OpenOnDisk();
+            size = aDataset->GetSize();
+            char* refFromFile = new char[ size ];
+            aDataset->ReadFromDisk( refFromFile );
+            aDataset->CloseOnDisk();
+            if ( strlen( refFromFile ) > 0 ) {
+              SALOMEDS::SObject_var shapeSO = myCurrentStudy->FindObjectID( refFromFile );
+
+              // Make sure GEOM data are loaded first
+              //loadGeomData( shapeSO->GetFatherComponent() );
+
+              CORBA::Object_var shapeObject = SObjectToObject( shapeSO );
+              if ( !CORBA::is_nil( shapeObject ) ) {
+                aShapeObject = GEOM::GEOM_Object::_narrow( shapeObject );
+                if ( !aShapeObject->_is_nil() )
+                  myNewMeshImpl->SetShape( aShapeObject );
+              }
+            }
           }
-          
 
         }
-        fclose(loadedFile);
-        delete[] aLine;
-        aLine = 0;
-        MESSAGE("End of Hypos Load");
+      }
+    }
+
+    // As all object that can be referred by hypothesis are created,
+    // we can restore hypothesis data
+
+    list< pair< SMESH_Hypothesis_i*, string > >::iterator hyp_data;
+    for ( hyp_data = hypDataList.begin(); hyp_data != hypDataList.end(); ++hyp_data )
+    {
+      SMESH_Hypothesis_i* hyp  = hyp_data->first;
+      string &            data = hyp_data->second;
+      hyp->LoadFrom( data.c_str() );
+    }
+
+    // Restore the rest mesh data
+
+    list< pair< SMESH_Mesh_i*, HDFgroup* > >::iterator meshi_group;
+    for ( meshi_group = meshGroupList.begin(); meshi_group != meshGroupList.end(); ++meshi_group )
+    {
+      aTopGroup                   = meshi_group->second;
+      SMESH_Mesh_i* myNewMeshImpl = meshi_group->first;
+      ::SMESH_Mesh& myLocMesh     = myNewMeshImpl->GetImpl();
+      SMESHDS_Mesh* mySMESHDSMesh = myLocMesh.GetMeshDS();
+
+      GEOM::GEOM_Object_var aShapeObject = myNewMeshImpl->GetShapeToMesh();
+      bool hasData = false;
+
+      // get mesh old id
+      string iorString = GetORB()->object_to_string( myNewMeshImpl->_this() );
+      int newId = myStudyContext->findId( iorString );
+      int id = myStudyContext->getOldId( newId );
+
+      // try to find mesh data dataset
+      if ( aTopGroup->ExistInternalObject( "Has data" ) ) {
+        // load mesh "has data" flag
+        aDataset = new HDFdataset( "Has data", aTopGroup );
+        aDataset->OpenOnDisk();
+        size = aDataset->GetSize();
+        char* strHasData = new char[ size ];
+        aDataset->ReadFromDisk( strHasData );
+        aDataset->CloseOnDisk();
+        if ( strcmp( strHasData, "1") == 0 ) {
+          // read mesh data from MED file
+          myReader.SetMesh( mySMESHDSMesh );
+          myReader.SetMeshId( id );
+          myReader.Perform();
+          hasData = true;
+        }
+      }
 
+      // try to get applied algorithms
+      if ( aTopGroup->ExistInternalObject( "Applied Algorithms" ) ) {
+        aGroup = new HDFgroup( "Applied Algorithms", aTopGroup );
+        aGroup->OpenOnDisk();
+        // get number of applied algorithms
+        int aNbSubObjects = aGroup->nInternalObjects(); 
+        if(MYDEBUG) MESSAGE( "VSR - number of applied algos " << aNbSubObjects );
+        for ( int j = 0; j < aNbSubObjects; j++ ) {
+          char name_dataset[ HDF_NAME_MAX_LEN+1 ];
+          aGroup->InternalObjectIndentify( j, name_dataset );
+          // check if it is an algorithm
+          if ( string( name_dataset ).substr( 0, 4 ) == string( "Algo" ) ) {
+            aDataset = new HDFdataset( name_dataset, aGroup );
+            aDataset->OpenOnDisk();
+            size = aDataset->GetSize();
+            char* refFromFile = new char[ size ];
+            aDataset->ReadFromDisk( refFromFile );
+            aDataset->CloseOnDisk();
+
+            // san - it is impossible to recover applied algorithms using their entries within Load() method
+
+            //SALOMEDS::SObject_var hypSO = myCurrentStudy->FindObjectID( refFromFile );
+            //CORBA::Object_var hypObject = SObjectToObject( hypSO );
+            int id = atoi( refFromFile );
+            string anIOR = myStudyContext->getIORbyOldId( id );
+            if ( !anIOR.empty() ) {
+              CORBA::Object_var hypObject = GetORB()->string_to_object( anIOR.c_str() );
+              if ( !CORBA::is_nil( hypObject ) ) {
+                SMESH::SMESH_Hypothesis_var anHyp = SMESH::SMESH_Hypothesis::_narrow( hypObject );
+                if ( !anHyp->_is_nil() && (!aShapeObject->_is_nil()
+                                           || !myNewMeshImpl->HasShapeToMesh()) )
+                  myNewMeshImpl->addHypothesis( aShapeObject, anHyp );
+              }
+            }
+          }
+        }
+        aGroup->CloseOnDisk();
       }
-//***************
-// Loading of the Algorithms Branch
-//***************
-      else if (strcmp(name,"Algorithms")==0) {
 
-        hdf_group[Tag_AlgorithmsRoot] = new HDFgroup(name,hdf_file); 
-        hdf_group[Tag_AlgorithmsRoot]->OpenOnDisk();
-        
-        hdf_group[Tag_AlgorithmsRoot]->InternalObjectIndentify(0,name_of_group);
-        hdf_dataset[cmpt_ds] = new HDFdataset(name_of_group,hdf_group[Tag_AlgorithmsRoot]);
-        hdf_dataset[cmpt_ds]->OpenOnDisk();
-        size=hdf_dataset[cmpt_ds]->GetSize();
-
-        char * name_of_file =new char[size];
-        hdf_dataset[cmpt_ds]->ReadFromDisk(name_of_file);
-        hdf_dataset[cmpt_ds]->CloseOnDisk();
-        hdf_group[Tag_AlgorithmsRoot]->CloseOnDisk();
-        cmpt_ds++;
-        delete[] name_of_file;
-        name_of_file = 0;
-        
-        aLine = new char[100];
-        loadedFile = fopen( algofile.ToCString(),"r");
-        while (!feof(loadedFile)) {
-          fscanf(loadedFile,"%s\n",aLine);
-          //SCRUTE(aLine);
-          if (strcmp(aLine,"")!=0) {
-            SMESH::SMESH_Hypothesis_var myHyp = this->CreateHypothesis(aLine,studyId);
-            SMESH::SMESH_Algo_var myAlgo = SMESH::SMESH_Algo::_narrow(myHyp);
-            string iorString = _orb->object_to_string(myAlgo);
-            sprintf(objectId,"%d",myAlgo->GetId());
-            _SMESHCorbaObj[string("Hypo_")+string(objectId)] = iorString;
+      // try to get applied hypotheses
+      if ( aTopGroup->ExistInternalObject( "Applied Hypotheses" ) ) {
+        aGroup = new HDFgroup( "Applied Hypotheses", aTopGroup );
+        aGroup->OpenOnDisk();
+        // get number of applied hypotheses
+        int aNbSubObjects = aGroup->nInternalObjects(); 
+        for ( int j = 0; j < aNbSubObjects; j++ ) {
+          char name_dataset[ HDF_NAME_MAX_LEN+1 ];
+          aGroup->InternalObjectIndentify( j, name_dataset );
+          // check if it is a hypothesis
+          if ( string( name_dataset ).substr( 0, 3 ) == string( "Hyp" ) ) {
+            aDataset = new HDFdataset( name_dataset, aGroup );
+            aDataset->OpenOnDisk();
+            size = aDataset->GetSize();
+            char* refFromFile = new char[ size ];
+            aDataset->ReadFromDisk( refFromFile );
+            aDataset->CloseOnDisk();
+
+            // san - it is impossible to recover applied hypotheses using their entries within Load() method
+
+            //SALOMEDS::SObject_var hypSO = myCurrentStudy->FindObjectID( refFromFile );
+            //CORBA::Object_var hypObject = SObjectToObject( hypSO );
+            int id = atoi( refFromFile );
+            string anIOR = myStudyContext->getIORbyOldId( id );
+            if ( !anIOR.empty() ) {
+              CORBA::Object_var hypObject = GetORB()->string_to_object( anIOR.c_str() );
+              if ( !CORBA::is_nil( hypObject ) ) {
+                SMESH::SMESH_Hypothesis_var anHyp = SMESH::SMESH_Hypothesis::_narrow( hypObject );
+                if ( !anHyp->_is_nil() && (!aShapeObject->_is_nil()
+                                           || !myNewMeshImpl->HasShapeToMesh()) )
+                  myNewMeshImpl->addHypothesis( aShapeObject, anHyp );
+              }
+            }
           }
         }
-        fclose(loadedFile);
-        delete[] aLine;
-        aLine = 0;
-        MESSAGE("End of Algos Load");
+        aGroup->CloseOnDisk();
+      }
+
+      // --> try to find submeshes containers for each type of submesh
+      for ( int j = GetSubMeshOnVertexTag(); j <= GetSubMeshOnCompoundTag(); j++ ) {
+        char name_meshgroup[ 30 ];
+        if ( j == GetSubMeshOnVertexTag() )
+          strcpy( name_meshgroup, "SubMeshes On Vertex" );
+        else if ( j == GetSubMeshOnEdgeTag() )
+          strcpy( name_meshgroup, "SubMeshes On Edge" );
+        else if ( j == GetSubMeshOnWireTag() )
+          strcpy( name_meshgroup, "SubMeshes On Wire" );
+        else if ( j == GetSubMeshOnFaceTag() )
+          strcpy( name_meshgroup, "SubMeshes On Face" );
+        else if ( j == GetSubMeshOnShellTag() )
+          strcpy( name_meshgroup, "SubMeshes On Shell" );
+        else if ( j == GetSubMeshOnSolidTag() )
+          strcpy( name_meshgroup, "SubMeshes On Solid" );
+        else if ( j == GetSubMeshOnCompoundTag() )
+          strcpy( name_meshgroup, "SubMeshes On Compound" );
+
+        // try to get submeshes container HDF group
+        if ( aTopGroup->ExistInternalObject( name_meshgroup ) ) {
+          // open submeshes containers HDF group
+          aGroup = new HDFgroup( name_meshgroup, aTopGroup );
+          aGroup->OpenOnDisk();
+
+          // get number of submeshes
+          int aNbSubMeshes = aGroup->nInternalObjects(); 
+          for ( int k = 0; k < aNbSubMeshes; k++ ) {
+            // identify submesh
+            char name_submeshgroup[ HDF_NAME_MAX_LEN+1 ];
+            aGroup->InternalObjectIndentify( k, name_submeshgroup );
+            if ( string( name_submeshgroup ).substr( 0, 7 ) == string( "SubMesh" )  ) {
+              // --> get submesh id
+              int subid = atoi( string( name_submeshgroup ).substr( 7 ).c_str() );
+              if ( subid <= 0 )
+                continue;
+              // open submesh HDF group
+              aSubGroup = new HDFgroup( name_submeshgroup, aGroup );
+              aSubGroup->OpenOnDisk();
+
+              // try to read and set reference to subshape
+              GEOM::GEOM_Object_var aSubShapeObject;
+              SMESH::SMESH_subMesh_var aSubMesh;
+
+              if ( aSubGroup->ExistInternalObject( "Ref on shape" ) ) {
+                // load submesh "Ref on shape" - it's an entry to SObject
+                aDataset = new HDFdataset( "Ref on shape", aSubGroup );
+                aDataset->OpenOnDisk();
+                size = aDataset->GetSize();
+                char* refFromFile = new char[ size ];
+                aDataset->ReadFromDisk( refFromFile );
+                aDataset->CloseOnDisk();
+                if ( strlen( refFromFile ) > 0 ) {
+                  SALOMEDS::SObject_var subShapeSO = myCurrentStudy->FindObjectID( refFromFile );
+                  CORBA::Object_var subShapeObject = SObjectToObject( subShapeSO );
+                  if ( !CORBA::is_nil( subShapeObject ) ) {
+                    aSubShapeObject = GEOM::GEOM_Object::_narrow( subShapeObject );
+                    if ( !aSubShapeObject->_is_nil() )
+                      aSubMesh = SMESH::SMESH_subMesh::_duplicate
+                        ( myNewMeshImpl->createSubMesh( aSubShapeObject ) );
+                    if ( aSubMesh->_is_nil() )
+                      continue;
+                    string iorSubString = GetORB()->object_to_string( aSubMesh );
+                    int newSubId = myStudyContext->findId( iorSubString );
+                    myStudyContext->mapOldToNew( subid, newSubId );
+                  }
+                }
+              }
+
+              if ( aSubMesh->_is_nil() )
+                continue;
+
+              // VSR: Get submesh data from MED convertor
+              //                  int anInternalSubmeshId = aSubMesh->GetId(); // this is not a persistent ID, it's an internal one computed from sub-shape
+              //                  if (myNewMeshImpl->_mapSubMesh.find(anInternalSubmeshId) != myNewMeshImpl->_mapSubMesh.end()) {
+              //                    if(MYDEBUG) MESSAGE("VSR - SMESH_Gen_i::Load(): loading from MED file submesh with ID = " <<
+              //                            subid << " for subshape # " << anInternalSubmeshId);
+              //                    SMESHDS_SubMesh* aSubMeshDS =
+              //                      myNewMeshImpl->_mapSubMesh[anInternalSubmeshId]->CreateSubMeshDS();
+              //                    if ( !aSubMeshDS ) {
+              //                      if(MYDEBUG) MESSAGE("VSR - SMESH_Gen_i::Load(): FAILED to create a submesh for subshape # " <<
+              //                              anInternalSubmeshId << " in current mesh!");
+              //                    }
+              //                    else
+              //                      myReader.GetSubMesh( aSubMeshDS, subid );
+              //                  }
+
+              // try to get applied algorithms
+              if ( aSubGroup->ExistInternalObject( "Applied Algorithms" ) ) {
+                // open "applied algorithms" HDF group
+                aSubSubGroup = new HDFgroup( "Applied Algorithms", aSubGroup );
+                aSubSubGroup->OpenOnDisk();
+                // get number of applied algorithms
+                int aNbSubObjects = aSubSubGroup->nInternalObjects(); 
+                for ( int l = 0; l < aNbSubObjects; l++ ) {
+                  char name_dataset[ HDF_NAME_MAX_LEN+1 ];
+                  aSubSubGroup->InternalObjectIndentify( l, name_dataset );
+                  // check if it is an algorithm
+                  if ( string( name_dataset ).substr( 0, 4 ) == string( "Algo" ) ) {
+                    aDataset = new HDFdataset( name_dataset, aSubSubGroup );
+                    aDataset->OpenOnDisk();
+                    size = aDataset->GetSize();
+                    char* refFromFile = new char[ size ];
+                    aDataset->ReadFromDisk( refFromFile );
+                    aDataset->CloseOnDisk();
+
+                    //SALOMEDS::SObject_var hypSO = myCurrentStudy->FindObjectID( refFromFile );
+                    //CORBA::Object_var hypObject = SObjectToObject( hypSO );
+                    int id = atoi( refFromFile );
+                    string anIOR = myStudyContext->getIORbyOldId( id );
+                    if ( !anIOR.empty() ) {
+                      CORBA::Object_var hypObject = GetORB()->string_to_object( anIOR.c_str() );
+                      if ( !CORBA::is_nil( hypObject ) ) {
+                        SMESH::SMESH_Hypothesis_var anHyp = SMESH::SMESH_Hypothesis::_narrow( hypObject );
+                        if ( !anHyp->_is_nil() && !aShapeObject->_is_nil() )
+                          myNewMeshImpl->addHypothesis( aSubShapeObject, anHyp );
+                      }
+                    }
+                  }
+                }
+                // close "applied algorithms" HDF group
+                aSubSubGroup->CloseOnDisk();
+              }
+
+              // try to get applied hypotheses
+              if ( aSubGroup->ExistInternalObject( "Applied Hypotheses" ) ) {
+                // open "applied hypotheses" HDF group
+                aSubSubGroup = new HDFgroup( "Applied Hypotheses", aSubGroup );
+                aSubSubGroup->OpenOnDisk();
+                // get number of applied hypotheses
+                int aNbSubObjects = aSubSubGroup->nInternalObjects(); 
+                for ( int l = 0; l < aNbSubObjects; l++ ) {
+                  char name_dataset[ HDF_NAME_MAX_LEN+1 ];
+                  aSubSubGroup->InternalObjectIndentify( l, name_dataset );
+                  // check if it is a hypothesis
+                  if ( string( name_dataset ).substr( 0, 3 ) == string( "Hyp" ) ) {
+                    aDataset = new HDFdataset( name_dataset, aSubSubGroup );
+                    aDataset->OpenOnDisk();
+                    size = aDataset->GetSize();
+                    char* refFromFile = new char[ size ];
+                    aDataset->ReadFromDisk( refFromFile );
+                    aDataset->CloseOnDisk();
+
+                    //SALOMEDS::SObject_var hypSO = myCurrentStudy->FindObjectID( refFromFile );
+                    //CORBA::Object_var hypObject = SObjectToObject( hypSO );
+                    int id = atoi( refFromFile );
+                    string anIOR = myStudyContext->getIORbyOldId( id );
+                    if ( !anIOR.empty() ) {
+                      CORBA::Object_var hypObject = GetORB()->string_to_object( anIOR.c_str() );
+                      if ( !CORBA::is_nil( hypObject ) ) {
+                        SMESH::SMESH_Hypothesis_var anHyp = SMESH::SMESH_Hypothesis::_narrow( hypObject );
+                        if ( !anHyp->_is_nil() && !aShapeObject->_is_nil() )
+                          myNewMeshImpl->addHypothesis( aSubShapeObject, anHyp );
+                      }
+                    }
+                  }
+                }
+                // close "applied hypotheses" HDF group
+                aSubSubGroup->CloseOnDisk();
+              }
 
+              // close submesh HDF group
+              aSubGroup->CloseOnDisk();
+            }
+          }
+          // close submeshes containers HDF group
+          aGroup->CloseOnDisk();
+        }
       }
 
-//***************
-// Loading of the Mesh Branch
-//***************
-      else if (string(name).substr(0,4)==string("Mesh")) {
-        MESSAGE("in mesh load");
+      if(hasData) {
 
-        Standard_Integer myMeshId = atoi((string(name).substr(5,5)).c_str());
-        SCRUTE(myMeshId);
+        // Read sub-meshes from MED
+        // -------------------------
+        if(MYDEBUG) MESSAGE("Create all sub-meshes");
+        bool submeshesInFamilies = ( ! aTopGroup->ExistInternalObject( "Submeshes" ));
+        if ( submeshesInFamilies )
+        {
+          // old way working before fix of PAL 12992
+          myReader.CreateAllSubMeshes();
+        }
+        else
+        {
+          // open a group
+          aGroup = new HDFgroup( "Submeshes", aTopGroup ); 
+          aGroup->OpenOnDisk();
+
+          int maxID = mySMESHDSMesh->MaxShapeIndex();
+          vector< SMESHDS_SubMesh * > subMeshes( maxID + 1, (SMESHDS_SubMesh*) 0 );
+          vector< TopAbs_ShapeEnum  > smType   ( maxID + 1, TopAbs_SHAPE ); 
+
+          PositionCreator aPositionCreator;
+
+          SMDS_NodeIteratorPtr nIt = mySMESHDSMesh->nodesIterator();
+          SMDS_ElemIteratorPtr eIt = mySMESHDSMesh->elementsIterator();
+          for ( int isNode = 0; isNode < 2; ++isNode )
+          {
+            string aDSName( isNode ? "Node Submeshes" : "Element Submeshes");
+            if ( aGroup->ExistInternalObject( (char*) aDSName.c_str() ))
+            {
+              aDataset = new HDFdataset( (char*) aDSName.c_str(), aGroup );
+              aDataset->OpenOnDisk();
+              // read submesh IDs for all elements sorted by ID
+              int nbElems = aDataset->GetSize();
+              int* smIDs = new int [ nbElems ];
+              aDataset->ReadFromDisk( smIDs );
+              aDataset->CloseOnDisk();
+
+              // get elements sorted by ID
+              TIDSortedElemSet elemSet;
+              if ( isNode )
+                while ( nIt->more() ) elemSet.insert( nIt->next() );
+              else
+                while ( eIt->more() ) elemSet.insert( eIt->next() );
+              ASSERT( elemSet.size() == nbElems );
+
+              // add elements to submeshes
+              TIDSortedElemSet::iterator iE = elemSet.begin();
+              for ( int i = 0; i < nbElems; ++i, ++iE )
+              {
+                int smID = smIDs[ i ];
+                if ( smID == 0 ) continue;
+                ASSERT( smID <= maxID );
+                const SMDS_MeshElement* elem = *iE;
+                // get or create submesh
+                SMESHDS_SubMesh* & sm = subMeshes[ smID ];
+                if ( ! sm ) {
+                  sm = mySMESHDSMesh->NewSubMesh( smID );
+                  smType[ smID ] = mySMESHDSMesh->IndexToShape( smID ).ShapeType();
+                }
+                // add
+                if ( isNode ) {
+                  SMDS_PositionPtr pos = aPositionCreator.MakePosition( smType[ smID ]);
+                  pos->SetShapeId( smID );
+                  SMDS_MeshNode* node = const_cast<SMDS_MeshNode*>( static_cast<const SMDS_MeshNode*>( elem ));
+                  node->SetPosition( pos );
+                  sm->AddNode( node );
+                } else {
+                  sm->AddElement( elem );
+                }
+              }
+              delete [] smIDs;
+            }
+          }
+        } // end reading submeshes
 
-       hdf_group[myMeshId] = new HDFgroup(name,hdf_file); 
-       hdf_group[myMeshId]->OpenOnDisk();
+        // Read node positions on sub-shapes (SMDS_Position)
 
-       int nb_meshsubgroup = hdf_group[myMeshId]->nInternalObjects(); 
-       SCRUTE(nb_meshsubgroup);
-             
-       //********** Loading of the file name where the data are stored
-       MESSAGE("Mesh data file");
-       strcpy(name_of_group,"Mesh data");
-       hdf_dataset[cmpt_ds]=new HDFdataset(name_of_group,hdf_group[myMeshId]);
-       hdf_dataset[cmpt_ds]->OpenOnDisk();
-       size=hdf_dataset[cmpt_ds]->GetSize();
-       
-       char * datafilename =new char[size];
-       hdf_dataset[cmpt_ds]->ReadFromDisk(datafilename);
-       hdf_dataset[cmpt_ds]->CloseOnDisk();
-       cmpt_ds++;
-             
-       //********** 
-       //}
-       //else if (strcmp(msgname,"Ref on shape")==0) {
-       //********** Loading of the reference on the shape
-       //********** and mesh initialization
-       MESSAGE("Ref on shape");
-       strcpy(name_of_group,"Ref on shape");
-       hdf_dataset[cmpt_ds] = new HDFdataset(name_of_group,hdf_group[myMeshId]);
-       hdf_dataset[cmpt_ds]->OpenOnDisk();
-       size=hdf_dataset[cmpt_ds]->GetSize();
-             
-       char * refFromFile =new char[size];
-       hdf_dataset[cmpt_ds]->ReadFromDisk(refFromFile);
-       hdf_dataset[cmpt_ds]->CloseOnDisk();
-       cmpt_ds++;
-             
-       Standard_CString  myRefOnShape="";   //look for ref on shape
-             
-       bool _found = false;
-       SALOMEDS::SObject_var CSO = Study->FindObjectID(refFromFile);
-       SMESH::SMESH_Mesh_var myNewMesh;
-       GEOM::GEOM_Shape_var aShape;
-             
-       if (!CORBA::is_nil(CSO)) {
-         _found = true;
-         CSO->FindAttribute(anAttr, "AttributeIOR");
-         anIOR = SALOMEDS::AttributeIOR::_narrow(anAttr);
-         char* ShapeIOR = anIOR->Value();
-         aShape = GEOM::GEOM_Shape::_narrow(_orb->string_to_object(ShapeIOR));
-               
-         myNewMesh = this->Init(myGeomEngine,studyId,aShape);
-         string iorString = _orb->object_to_string(myNewMesh);
-         sprintf(objectId,"%d",myNewMesh->GetId());
-         _SMESHCorbaObj[string("Mesh_")+string(objectId)] = iorString;
-                               
-         //********** 
-         //********** Loading of mesh data
-         if (strcmp(datafilename,"No data")!=0) {
-                 
-           med_idt fid;
-           int ret;
-           
-           //****************************************************************************
-           //*                      OUVERTURE DU FICHIER EN LECTURE                      *
-           //****************************************************************************
-                 
-           fid = MEDouvrir(datafilename,MED_LECT);
-           if (fid < 0)
+        if ( aTopGroup->ExistInternalObject( "Node Positions" ))
+        {
+          // There are 5 datasets to read:
+          // "Nodes on Edges" - ID of node on edge
+          // "Edge positions" - U parameter on node on edge
+          // "Nodes on Faces" - ID of node on face
+          // "Face U positions" - U parameter of node on face
+          // "Face V positions" - V parameter of node on face
+          char* aEid_DSName = "Nodes on Edges";
+          char* aEu_DSName  = "Edge positions";
+          char* aFu_DSName  = "Face U positions";
+          //char* aFid_DSName = "Nodes on Faces";
+          //char* aFv_DSName  = "Face V positions";
+
+          // data to retrieve
+          int nbEids = 0, nbFids = 0;
+          int *aEids = 0, *aFids  = 0;
+          double *aEpos = 0, *aFupos = 0, *aFvpos = 0;
+
+          // open a group
+          aGroup = new HDFgroup( "Node Positions", aTopGroup ); 
+          aGroup->OpenOnDisk();
+
+          // loop on 5 data sets
+          int aNbObjects = aGroup->nInternalObjects();
+          for ( int i = 0; i < aNbObjects; i++ )
+          {
+            // identify dataset
+            char aDSName[ HDF_NAME_MAX_LEN+1 ];
+            aGroup->InternalObjectIndentify( i, aDSName );
+            // read data
+            aDataset = new HDFdataset( aDSName, aGroup );
+            aDataset->OpenOnDisk();
+            if ( aDataset->GetType() == HDF_FLOAT64 ) // Positions
+            {
+              double* pos = new double [ aDataset->GetSize() ];
+              aDataset->ReadFromDisk( pos );
+              // which one?
+              if ( strncmp( aDSName, aEu_DSName, strlen( aEu_DSName )) == 0 )
+                aEpos = pos;
+              else if ( strncmp( aDSName, aFu_DSName, strlen( aFu_DSName )) == 0 )
+                aFupos = pos;
+              else
+                aFvpos = pos;
+            }
+            else // NODE IDS
+            {
+              int aSize = aDataset->GetSize();
+
+              // for reading files, created from 18.07.2005 till 10.10.2005
+              if (aDataset->GetType() == HDF_STRING)
+                aSize /= sizeof(int);
+
+              int* ids = new int [aSize];
+              aDataset->ReadFromDisk( ids );
+              // on face or nodes?
+              if ( strncmp( aDSName, aEid_DSName, strlen( aEid_DSName )) == 0 ) {
+                aEids = ids;
+                nbEids = aSize;
+              }
+              else {
+                aFids = ids;
+                nbFids = aSize;
+              }
+            }
+            aDataset->CloseOnDisk();
+          } // loop on 5 datasets
+
+          // Set node positions on edges or faces
+          for ( int onFace = 0; onFace < 2; onFace++ )
+          {
+            int nbNodes = ( onFace ? nbFids : nbEids );
+            if ( nbNodes == 0 ) continue;
+            int* aNodeIDs = ( onFace ? aFids : aEids );
+            double* aUPos = ( onFace ? aFupos : aEpos );
+            double* aVPos = ( onFace ? aFvpos : 0 );
+            // loop on node IDs
+            for ( int iNode = 0; iNode < nbNodes; iNode++ )
+            {
+              const SMDS_MeshNode* node = mySMESHDSMesh->FindNode( aNodeIDs[ iNode ]);
+              ASSERT( node );
+              SMDS_PositionPtr aPos = node->GetPosition();
+              ASSERT( aPos )
+                if ( onFace ) {
+                  ASSERT( aPos->GetTypeOfPosition() == SMDS_TOP_FACE );
+                  SMDS_FacePosition* fPos = const_cast<SMDS_FacePosition*>
+                    ( static_cast<const SMDS_FacePosition*>( aPos.get() ));
+                  fPos->SetUParameter( aUPos[ iNode ]);
+                  fPos->SetVParameter( aVPos[ iNode ]);
+                }
+                else {
+                  ASSERT( aPos->GetTypeOfPosition() == SMDS_TOP_EDGE );
+                  SMDS_EdgePosition* fPos = const_cast<SMDS_EdgePosition*>
+                    ( static_cast<const SMDS_EdgePosition*>( aPos.get() ));
+                  fPos->SetUParameter( aUPos[ iNode ]);
+                }
+            }
+          }
+          if ( aEids ) delete [] aEids;
+          if ( aFids ) delete [] aFids;
+          if ( aEpos ) delete [] aEpos;
+          if ( aFupos ) delete [] aFupos;
+          if ( aFvpos ) delete [] aFvpos;
+
+          aGroup->CloseOnDisk();
+
+        } // if ( aTopGroup->ExistInternalObject( "Node Positions" ) )
+      } // if ( hasData )
+
+      // Recompute State (as computed sub-meshes are restored from MED)
+      if ( !aShapeObject->_is_nil() || !myNewMeshImpl->HasShapeToMesh()) {
+        MESSAGE("Compute State Engine ...");
+        TopoDS_Shape myLocShape;
+        if(myNewMeshImpl->HasShapeToMesh())
+          myLocShape = GeomObjectToShape( aShapeObject );
+        else
+          myLocShape = SMESH_Mesh::PseudoShape();
+        
+        myNewMeshImpl->GetImpl().GetSubMesh(myLocShape)->ComputeStateEngine
+          (SMESH_subMesh::SUBMESH_RESTORED);
+        MESSAGE("Compute State Engine finished");
+      }
+
+      // try to get groups
+      for ( int ii = GetNodeGroupsTag(); ii <= GetVolumeGroupsTag(); ii++ ) {
+        char name_group[ 30 ];
+        if ( ii == GetNodeGroupsTag() )
+          strcpy( name_group, "Groups of Nodes" );
+        else if ( ii == GetEdgeGroupsTag() )
+          strcpy( name_group, "Groups of Edges" );
+        else if ( ii == GetFaceGroupsTag() )
+          strcpy( name_group, "Groups of Faces" );
+        else if ( ii == GetVolumeGroupsTag() )
+          strcpy( name_group, "Groups of Volumes" );
+
+        if ( aTopGroup->ExistInternalObject( name_group ) ) {
+          aGroup = new HDFgroup( name_group, aTopGroup );
+          aGroup->OpenOnDisk();
+          // get number of groups
+          int aNbSubObjects = aGroup->nInternalObjects(); 
+          for ( int j = 0; j < aNbSubObjects; j++ ) {
+            char name_dataset[ HDF_NAME_MAX_LEN+1 ];
+            aGroup->InternalObjectIndentify( j, name_dataset );
+            // check if it is an group
+            if ( string( name_dataset ).substr( 0, 5 ) == string( "Group" ) ) {
+              // --> get group id
+              int subid = atoi( string( name_dataset ).substr( 5 ).c_str() );
+              if ( subid <= 0 )
+                continue;
+              aDataset = new HDFdataset( name_dataset, aGroup );
+              aDataset->OpenOnDisk();
+
+              // Retrieve actual group name
+              size = aDataset->GetSize();
+              char* nameFromFile = new char[ size ];
+              aDataset->ReadFromDisk( nameFromFile );
+              aDataset->CloseOnDisk();
+
+              // Try to find a shape reference
+              TopoDS_Shape aShape;
+              char aRefName[ 30 ];
+              sprintf( aRefName, "Ref on shape %d", subid);
+              if ( aGroup->ExistInternalObject( aRefName ) ) {
+                // load mesh "Ref on shape" - it's an entry to SObject
+                aDataset = new HDFdataset( aRefName, aGroup );
+                aDataset->OpenOnDisk();
+                size = aDataset->GetSize();
+                char* refFromFile = new char[ size ];
+                aDataset->ReadFromDisk( refFromFile );
+                aDataset->CloseOnDisk();
+                if ( strlen( refFromFile ) > 0 ) {
+                  SALOMEDS::SObject_var shapeSO = myCurrentStudy->FindObjectID( refFromFile );
+                  CORBA::Object_var shapeObject = SObjectToObject( shapeSO );
+                  if ( !CORBA::is_nil( shapeObject ) ) {
+                    aShapeObject = GEOM::GEOM_Object::_narrow( shapeObject );
+                    if ( !aShapeObject->_is_nil() )
+                      aShape = GeomObjectToShape( aShapeObject );
+                  }
+                }
+              }
+              // Create group servant
+              SMESH::ElementType type = (SMESH::ElementType)(ii - GetNodeGroupsTag() + 1);
+              SMESH::SMESH_GroupBase_var aNewGroup = SMESH::SMESH_GroupBase::_duplicate
+                ( myNewMeshImpl->createGroup( type, nameFromFile, aShape ) );
+              // Obtain a SMESHDS_Group object 
+              if ( aNewGroup->_is_nil() )
+                continue;
+
+              string iorSubString = GetORB()->object_to_string( aNewGroup );
+              int newSubId = myStudyContext->findId( iorSubString );
+              myStudyContext->mapOldToNew( subid, newSubId );
+
+              SMESH_GroupBase_i* aGroupImpl =
+                dynamic_cast<SMESH_GroupBase_i*>( GetServant( aNewGroup ).in() );
+              if ( !aGroupImpl )
+                continue;
+
+              SMESH_Group* aLocalGroup  = myLocMesh.GetGroup( aGroupImpl->GetLocalID() );
+              if ( !aLocalGroup )
+                continue;
+
+              SMESHDS_GroupBase* aGroupBaseDS = aLocalGroup->GetGroupDS();
+              aGroupBaseDS->SetStoreName( name_dataset );
+
+             // ouv : NPAL12872
+             // Read color of the group
+              char aGroupColorName[ 30 ];
+              sprintf( aGroupColorName, "ColorGroup %d", subid);
+              if ( aGroup->ExistInternalObject( aGroupColorName ) )
              {
-               printf(">> ERREUR : ouverture du fichier %s \n",datafilename);
-               exit(EXIT_FAILURE);
+               aDataset = new HDFdataset( aGroupColorName, aGroup );
+               aDataset->OpenOnDisk();
+               size = aDataset->GetSize();
+               double* anRGB = new double[ size ];
+               aDataset->ReadFromDisk( anRGB );
+               aDataset->CloseOnDisk();
+               Quantity_Color aColor( anRGB[0], anRGB[1], anRGB[2], Quantity_TOC_RGB );
+               aGroupBaseDS->SetColor( aColor );
              }
-           else {
-                   
-             StudyContext_iStruct* myStudyContext = _mapStudyContext_i[studyId];
-             int meshId = myNewMesh->GetId();
-             SMESH_Mesh_i* meshServant = myStudyContext->mapMesh_i[meshId];
-             ::SMESH_Mesh& myLocMesh = meshServant->GetImpl();
-             SMESHDS_Mesh* mySMESHDSMesh = myLocMesh.GetMeshDS();
-                   
-             DriverMED_R_SMESHDS_Mesh* myReader = new DriverMED_R_SMESHDS_Mesh;
-                   
-             myReader->SetMesh(mySMESHDSMesh);
-             myReader->SetMeshId(myMeshId);
-             myReader->SetFileId(fid);
-             myReader->ReadMySelf();
-             //SCRUTE(mySMESHDSMesh->NbNodes());
-             //myNewMesh->ExportUNV("/tmp/test.unv");//only to check out
-                   
-             //****************************************************************************
-             //*                      FERMETURE DU FICHIER                                 *
-             //****************************************************************************
-             ret = MEDfermer(fid);
-                   
-             if (ret != 0)
-               printf(">> ERREUR : erreur a la fermeture du fichier %s\n",datafilename);
-                   
-           }
-         }
-       }
-       //********** 
-       //}
-       //else if (strcmp(msgname,"Applied Hypothesis")==0) {
-       for (int ii=0;ii<nb_meshsubgroup;ii++) 
-         {
-           hdf_group[myMeshId]->InternalObjectIndentify(ii,msgname);
-           if (strcmp(msgname,"Mesh data")==0) {
-             //nothing
-           }
-           else if (strcmp(msgname,"Ref on shape")==0) {
-             //nothing
-           }
-           else if (strcmp(msgname,"Applied Hypothesis")==0) {
-             //********** Loading of the applied hypothesis
-             strcpy(name_of_group,"Applied Hypothesis");
-             hdf_subgroup[Tag_RefOnAppliedHypothesis] = new HDFgroup(name_of_group,hdf_group[myMeshId]);
-             hdf_subgroup[Tag_RefOnAppliedHypothesis]->OpenOnDisk();
-             
-             nb_datasets = hdf_subgroup[Tag_RefOnAppliedHypothesis]->nInternalObjects();  
-             SCRUTE(nb_datasets);
-             
-             for (int j=0;j<nb_datasets;j++) {
-               sprintf(name_dataset,"Hyp %d",j);
-               hdf_dataset[cmpt_ds] = new HDFdataset(name_dataset,hdf_subgroup[Tag_RefOnAppliedHypothesis]);
-               hdf_dataset[cmpt_ds]->OpenOnDisk();
-               size=hdf_dataset[cmpt_ds]->GetSize();
-               
-               char * refFromFile =new char[size];
-               hdf_dataset[cmpt_ds]->ReadFromDisk(refFromFile);
-               //SCRUTE(refFromFile);
-               hdf_dataset[cmpt_ds]->CloseOnDisk();
-               cmpt_ds++;
-               if (_found) {
-                 SALOMEDS::SObject_var HypSO = Study->FindObjectID(refFromFile);
-                 if (!CORBA::is_nil(HypSO)) {
-                   HypSO->FindAttribute(anAttr, "AttributeIOR");
-                   anIOR = SALOMEDS::AttributeIOR::_narrow(anAttr);
-                   if (!CORBA::is_nil(anIOR)) {
-                     char* HypIOR = anIOR->Value();
-                     SMESH::SMESH_Hypothesis_var anHyp = SMESH::SMESH_Hypothesis::_narrow(_orb->string_to_object(HypIOR));
-                     if (!CORBA::is_nil(anHyp)) {
-                       myNewMesh->AddHypothesis(aShape,anHyp);
-                       MESSAGE("Hypothesis added ...");
-                     }
-                   }
-                 }
-               }
-             } 
-             
-             hdf_subgroup[Tag_RefOnAppliedHypothesis]->CloseOnDisk();
-             //********** 
-           }
-           else if (strcmp(msgname,"Applied Algorithms")==0) {
 
-             //********** Loading of the applied algorithms 
-             strcpy(name_of_group,"Applied Algorithms");
-             hdf_subgroup[Tag_RefOnAppliedAlgorithms] = new HDFgroup(name_of_group,hdf_group[myMeshId]);
-             hdf_subgroup[Tag_RefOnAppliedAlgorithms]->OpenOnDisk();
-             
-             nb_datasets = hdf_subgroup[Tag_RefOnAppliedAlgorithms]->nInternalObjects();  
-             SCRUTE(nb_datasets);
-             
-             for (int j=0;j<nb_datasets;j++) {
-               sprintf(name_dataset,"Algo %d",j);
-               hdf_dataset[cmpt_ds] = new HDFdataset(name_dataset,hdf_subgroup[Tag_RefOnAppliedAlgorithms]);
-               hdf_dataset[cmpt_ds]->OpenOnDisk();
-               size=hdf_dataset[cmpt_ds]->GetSize();
-               
-               char * refFromFile =new char[size];
-               hdf_dataset[cmpt_ds]->ReadFromDisk(refFromFile);
-               hdf_dataset[cmpt_ds]->CloseOnDisk();
-               cmpt_ds++;
-               
-               if (_found) {
-                 SALOMEDS::SObject_var AlgoSO = Study->FindObjectID(refFromFile);
-                 if (!CORBA::is_nil(AlgoSO)) {
-                   AlgoSO->FindAttribute(anAttr, "AttributeIOR");
-                   anIOR = SALOMEDS::AttributeIOR::_narrow(anAttr);
-                   if (!CORBA::is_nil(anIOR)) {
-                     char* AlgoIOR = anIOR->Value();
-                     //SCRUTE(AlgoIOR);
-                     SMESH::SMESH_Hypothesis_var myHyp = SMESH::SMESH_Hypothesis::_narrow(_orb->string_to_object(AlgoIOR));
-                     SMESH::SMESH_Algo_var anAlgo = SMESH::SMESH_Algo::_narrow(myHyp);
-                     //SMESH::SMESH_Algo_var anAlgo = SMESH::SMESH_Algo::_narrow(_orb->string_to_object(AlgoIOR));
-                     if (!CORBA::is_nil(anAlgo)) {
-                       myNewMesh->AddHypothesis(aShape,anAlgo);//essayer avec _SMESHCorbaObj
-                       MESSAGE("Algorithms added ...");
-                     }
-                   }
-                 }
-               }
-             } 
-             
-             hdf_subgroup[Tag_RefOnAppliedAlgorithms]->CloseOnDisk();
-             //********** 
-           }
-           else if (string(msgname).substr(0,9)==string("SubMeshes")) {
-             
-             
-             //********** Loading of the submeshes on subshapes
-             int myLevel1Tag, myTag;
-             SCRUTE(msgname);
-             cmpt_sm++;
-             myLevel1Tag = 10+cmpt_sm;
-             hdf_subgroup[myLevel1Tag] = new HDFgroup(name_of_group,hdf_group[myMeshId]);
-             hdf_subgroup[myLevel1Tag] = new HDFgroup(msgname,hdf_group[myMeshId]);
-             hdf_subgroup[myLevel1Tag]->OpenOnDisk();
-       
-             int nb_submeshes = hdf_subgroup[myLevel1Tag]->nInternalObjects();  
-             SCRUTE(nb_submeshes);
-
-             for (int j=0;j<nb_submeshes;j++) {
-               cmpt_sm++;
-               myTag = 10+cmpt_sm;
-               hdf_subgroup[myLevel1Tag]->InternalObjectIndentify(j,name_meshgroup);
-               SCRUTE(name_meshgroup);
-
-               hdf_subgroup[myTag] = new HDFgroup(name_meshgroup,hdf_subgroup[myLevel1Tag]);
-               hdf_subgroup[myTag]->OpenOnDisk();
-               int subMeshId = atoi((string(name_meshgroup).substr(8,18)).c_str());
-               
-               MESSAGE("Ref on shape");
-               //********** ref on shape
-               sprintf(name_dataset,"Ref on shape");
-               hdf_dataset[cmpt_ds] = new HDFdataset(name_dataset,hdf_subgroup[myTag]);
-               hdf_dataset[cmpt_ds]->OpenOnDisk();
-               size=hdf_dataset[cmpt_ds]->GetSize();
-               
-               char * refFromFile =new char[size];
-               hdf_dataset[cmpt_ds]->ReadFromDisk(refFromFile);
-               hdf_dataset[cmpt_ds]->CloseOnDisk();
-               cmpt_ds++;
-               
-               bool _found3 = false;
-               SALOMEDS::SObject_var GSO = Study->FindObjectID(refFromFile);
-               SMESH::SMESH_subMesh_var aSubMesh;
-               GEOM::GEOM_Shape_var aSubShape;
-               
-               if (!CORBA::is_nil(GSO)) {
-                 GSO->FindAttribute(anAttr, "AttributeIOR");
-                 anIOR = SALOMEDS::AttributeIOR::_narrow(anAttr);
-                 char* SubShapeIOR = anIOR->Value();
-                 aSubShape = GEOM::GEOM_Shape::_narrow(_orb->string_to_object(SubShapeIOR));
-                 
-                 if (!CORBA::is_nil(aSubShape)) {
-                   aSubMesh = myNewMesh->GetElementsOnShape(aSubShape);
-                   string iorString = _orb->object_to_string(aSubMesh);
-                   sprintf(objectId,"%d",subMeshId);
-                   _SMESHCorbaObj[string("SubMesh_")+string(objectId)] = iorString;
-                   _found3 = true;
-                   //SCRUTE(aSubMesh->GetNumberOfNodes());
-                   //MESSAGE("yes");
-                   //SCRUTE(aSubMesh->GetNumberOfElements());
-                 }
-               }
-                   
-               int nb_subgroup = hdf_subgroup[myTag]->nInternalObjects(); 
-               SCRUTE(nb_subgroup);
-               for (int k=0;k<nb_subgroup;k++) 
-                 {
-                   hdf_subgroup[myTag]->InternalObjectIndentify(k,sgname);
-                   if (strcmp(sgname,"Ref on shape")==0) {
-                     //nothing
-                   }
-                   else if (strcmp(sgname,"Applied Hypothesis")==0) {
-                     //********** ref on applied hypothesis
-                     MESSAGE("Applied Hypothesis");
-                     strcpy(name_meshgroup,"Applied Hypothesis");
-                     cmpt_sm++;
-                     hdf_subgroup[10+cmpt_sm] = new HDFgroup(name_meshgroup,hdf_subgroup[myTag]);
-                     hdf_subgroup[10+cmpt_sm]->OpenOnDisk();
-                     nb_datasets = hdf_subgroup[10+cmpt_sm]->nInternalObjects();  
-                     SCRUTE(nb_datasets);
-                     
-                     for (int l=0;l<nb_datasets;l++) {
-                       sprintf(name_dataset,"Hyp %d",l);
-                       hdf_dataset[cmpt_ds] = new HDFdataset(name_dataset,hdf_subgroup[10+cmpt_sm]);
-                       hdf_dataset[cmpt_ds]->OpenOnDisk();
-                       size=hdf_dataset[cmpt_ds]->GetSize();
-                       
-                       char * refFromFile =new char[size];
-                       hdf_dataset[cmpt_ds]->ReadFromDisk(refFromFile);
-                       hdf_dataset[cmpt_ds]->CloseOnDisk();
-                       cmpt_ds++;
-                       
-                       if (_found3) {
-                         SALOMEDS::SObject_var HypSO = Study->FindObjectID(refFromFile);
-                         if (!CORBA::is_nil(HypSO)) {
-                           HypSO->FindAttribute(anAttr, "AttributeIOR");
-                           anIOR = SALOMEDS::AttributeIOR::_narrow(anAttr);
-                           if (!CORBA::is_nil(anIOR)) {
-                             char* HypIOR = anIOR->Value();
-                             SMESH::SMESH_Hypothesis_var anHyp = SMESH::SMESH_Hypothesis::_narrow(_orb->string_to_object(HypIOR));
-                             if (!CORBA::is_nil(anHyp)) {
-                               SMESH::SMESH_Mesh_var aMesh = aSubMesh->GetFather();
-                               aMesh->AddHypothesis(aSubShape,anHyp);//essayer avec _SMESHCorbaObj
-                               MESSAGE("Hypothesis added ...");
-                             }
-                           }
-                         }
-                       }
-                     } 
-                   }
-                   else if (strcmp(sgname,"Applied Algorithms")==0) {
-                     //********** ref on applied algorithms
-                     MESSAGE("Applied Algorithms");
-                     strcpy(name_meshgroup,"Applied Algorithms");
-                     cmpt_sm++;
-                     hdf_subgroup[10+cmpt_sm] = new HDFgroup(name_meshgroup,hdf_subgroup[myTag]);
-                     hdf_subgroup[10+cmpt_sm]->OpenOnDisk();
-                     nb_datasets = hdf_subgroup[10+cmpt_sm]->nInternalObjects();  
-                     SCRUTE(nb_datasets);
-                     
-                     for (int l=0;l<nb_datasets;l++) {
-                       sprintf(name_dataset,"Algo %d",l);
-                       hdf_dataset[cmpt_ds] = new HDFdataset(name_dataset,hdf_subgroup[10+cmpt_sm]);
-                       hdf_dataset[cmpt_ds]->OpenOnDisk();
-                       size=hdf_dataset[cmpt_ds]->GetSize();
-                       
-                       char * refFromFile =new char[size];
-                       hdf_dataset[cmpt_ds]->ReadFromDisk(refFromFile);
-                       hdf_dataset[cmpt_ds]->CloseOnDisk();
-                       cmpt_ds++;
-                       
-                       if (_found3) {
-                         SALOMEDS::SObject_var AlgoSO = Study->FindObjectID(refFromFile);
-                         if (!CORBA::is_nil(AlgoSO)) {
-                           AlgoSO->FindAttribute(anAttr, "AttributeIOR");
-                           anIOR = SALOMEDS::AttributeIOR::_narrow(anAttr);
-                           if (!CORBA::is_nil(anIOR)) {
-                             char* AlgoIOR = anIOR->Value();
-                             //SCRUTE(AlgoIOR);
-                             SMESH::SMESH_Hypothesis_var myHyp = SMESH::SMESH_Hypothesis::_narrow(_orb->string_to_object(AlgoIOR));
-                             SMESH::SMESH_Algo_var anAlgo = SMESH::SMESH_Algo::_narrow(myHyp);
-                             //SMESH::SMESH_Algo_var anAlgo = SMESH::SMESH_Algo::_narrow(_orb->string_to_object(AlgoIOR));
-                             if (!CORBA::is_nil(anAlgo)) {
-                               SMESH::SMESH_Mesh_var aMesh = aSubMesh->GetFather();
-                               aMesh->AddHypothesis(aSubShape,anAlgo);//essayer avec _SMESHCorbaObj
-                               MESSAGE("Algorithms added ...");
-                             }
-                           }
-                         }
-                       }
-                       
-                     } 
-                   }
-                 }
-               hdf_subgroup[myTag]->CloseOnDisk();
-             }
-             hdf_subgroup[myLevel1Tag]->CloseOnDisk();
-           }
-         }
-       hdf_group[myMeshId]->CloseOnDisk();     
-       
-       MESSAGE("End of Meshes Load");
+              // Fill group with contents from MED file
+              SMESHDS_Group* aGrp = dynamic_cast<SMESHDS_Group*>( aGroupBaseDS );
+              if ( aGrp )
+                myReader.GetGroup( aGrp );
+            }
+          }
+          aGroup->CloseOnDisk();
+        }
       }
     }
-  
-  MESSAGE("End of SMESH_Gen::Load");
-  
-  hdf_file->CloseOnDisk();
-  delete  hdf_file;
-  hdf_file=0;
+    // close mesh group
+    if(aTopGroup)
+      aTopGroup->CloseOnDisk();   
+  }
+  // close HDF file
+  aFile->CloseOnDisk();
+  delete aFile;
 
   // Remove temporary files created from the stream
-  if (isMultiFile) SALOMEDS_Tool::RemoveTemporaryFiles(tmpDir.ToCString(), aFileSeq.in(), true);
+  if ( !isMultiFile ) 
+    SALOMEDS_Tool::RemoveTemporaryFiles( tmpDir.ToCString(), aFileSeq.in(), true );
 
+  INFOS( "SMESH_Gen_i::Load completed" );
   return true;
 }
 
-bool SMESH_Gen_i::LoadASCII(SALOMEDS::SComponent_ptr theComponent,
-                           const SALOMEDS::TMPFile& theStream,
-                           const char* theURL,
-                           bool isMultiFile) {
-  return Load(theComponent, theStream, theURL, isMultiFile);
-}
-
 //=============================================================================
 /*!
- *  
+ *  SMESH_Gen_i::LoadASCII
+ *
+ *  Load SMESH module's data in ASCII format
  */
 //=============================================================================
 
-void SMESH_Gen_i::Close(SALOMEDS::SComponent_ptr theComponent)
-{
-  MESSAGE("Close");
-  SALOMEDS::Study_var aStudy = theComponent->GetStudy();
-  SALOMEDS::ChildIterator_var itBig = aStudy->NewChildIterator(theComponent);
-  for (; itBig->More();itBig->Next()) {
-    SALOMEDS::SObject_var gotBranch = itBig->Value();
-    
-    // branch 1 : hypothesis
-    if (gotBranch->Tag()==Tag_HypothesisRoot || gotBranch->Tag()==Tag_AlgorithmsRoot) {
-      SALOMEDS::ChildIterator_var it = aStudy->NewChildIterator(gotBranch);
-      for (; it->More();it->Next()) {
-       SALOMEDS::SObject_var mySObject = it->Value();
-       SALOMEDS::GenericAttribute_var anAttr;
-       SALOMEDS::AttributeIOR_var anIOR;
-       if ( mySObject->FindAttribute(anAttr, "AttributeIOR")) {
-         anIOR = SALOMEDS::AttributeIOR::_narrow(anAttr);
-         SMESH::SMESH_Hypothesis_var myHyp =
-           SMESH::SMESH_Hypothesis::_narrow(_orb->string_to_object(anIOR->Value()));
-         char objectId[10];
-         sprintf(objectId,"%d",myHyp->GetId());
-//       cout<<"********** delete Hyp "<<objectId<<endl;
-         _SMESHCorbaObj.erase(string("Hypo_")+string(objectId));
-         myHyp = SMESH::SMESH_Hypothesis::_narrow(_orb->string_to_object(anIOR->Value()));
-       }
-      }
-    }
-    // branch 2 : algorithms
-    else if (gotBranch->Tag()>=3) {
-      SALOMEDS::ChildIterator_var it = aStudy->NewChildIterator(gotBranch);
-      for (; it->More();it->Next()) {
-       SALOMEDS::SObject_var mySObject = it->Value();
-       SALOMEDS::GenericAttribute_var anAttr;
-       SALOMEDS::AttributeIOR_var anIOR;
-       if ( mySObject->FindAttribute(anAttr, "AttributeIOR")) {
-         anIOR = SALOMEDS::AttributeIOR::_narrow(anAttr);
-         SMESH::SMESH_Mesh_var myMesh =
-           SMESH::SMESH_Mesh::_narrow(_orb->string_to_object(anIOR->Value()));
-         if (!myMesh->_is_nil()) {
-           char objectId[10];
-           sprintf(objectId,"%d",myMesh->GetId());
-//         cout<<"********** delete Mesh "<<objectId<<endl;
-           _SMESHCorbaObj.erase(string("Mesh_")+string(objectId));
-           CORBA::release(myMesh);
-         }
-         else {
-           SMESH::SMESH_subMesh_var mySubMesh =
-             SMESH::SMESH_subMesh::_narrow(_orb->string_to_object(anIOR->Value()));
-           if (!mySubMesh->_is_nil()) {
-             char objectId[10];
-             sprintf(objectId,"%d",mySubMesh->GetId());
-//           cout<<"********** delete SubMesh "<<objectId<<endl;
-             _SMESHCorbaObj.erase(string("SubMesh_")+string(objectId));
-             CORBA::release(mySubMesh);
-           }
-         }
-       }
-      }
-    }
+bool SMESH_Gen_i::LoadASCII( SALOMEDS::SComponent_ptr theComponent,
+                            const SALOMEDS::TMPFile& theStream,
+                            const char*              theURL,
+                            bool                     isMultiFile ) {
+  if(MYDEBUG) MESSAGE( "SMESH_Gen_i::LoadASCII" );
+  return Load( theComponent, theStream, theURL, isMultiFile );
+
+  //before call main ::Load method it's need for decipher text format to
+  //binary ( "|xx" => x' )
+  int size = theStream.length();
+  if ( int((size / 3 )*3) != size ) //error size of buffer
+    return false;
+
+  int real_size = int(size / 3);
+
+  _CORBA_Octet* buffer = new _CORBA_Octet[real_size];
+  char tmp[3];
+  tmp[2]='\0';
+  int c = -1;
+  for ( int i = 0; i < real_size; i++ )
+  {
+    memcpy( &(tmp[0]), &(theStream[i*3+1]), 2 );
+    sscanf( tmp, "%x", &c );
+    sprintf( (char*)&(buffer[i]), "%c", (char)c );
   }
+
+  SALOMEDS::TMPFile_var aRealStreamFile = new SALOMEDS::TMPFile(real_size, real_size, buffer, 1);
+  
+  return Load( theComponent, *(aRealStreamFile._retn()), theURL, isMultiFile );
 }
 
 //=============================================================================
 /*!
- *  
+ *  SMESH_Gen_i::Close
+ *
+ *  Clears study-connected data when it is closed
  */
 //=============================================================================
 
-char* SMESH_Gen_i::ComponentDataType()
+void SMESH_Gen_i::Close( SALOMEDS::SComponent_ptr theComponent )
 {
-  MESSAGE("SMESH_Gen_i::ComponentDataType");
-  return strdup("SMESH");
+  if(MYDEBUG) MESSAGE( "SMESH_Gen_i::Close" );
+
+  // Clear study contexts data
+  int studyId = GetCurrentStudyID();
+  if ( myStudyContextMap.find( studyId ) != myStudyContextMap.end() ) {
+    delete myStudyContextMap[ studyId ];
+    myStudyContextMap.erase( studyId );
+  }
+
+  // delete SMESH_Mesh's
+  StudyContextStruct* context = myGen.GetStudyContext( studyId );
+  map< int, SMESH_Mesh* >::iterator i_mesh = context->mapMesh.begin();
+  for ( ; i_mesh != context->mapMesh.end(); ++i_mesh )
+    delete i_mesh->second;
+  // delete SMESHDS_Mesh's
+  // it's too long on big meshes
+//   if ( context->myDocument ) {
+//     delete context->myDocument;
+//     context->myDocument = 0;
+//   }
+  
+  return;
 }
 
-    
 //=============================================================================
 /*!
- *  
+ *  SMESH_Gen_i::ComponentDataType
+ * 
+ *  Get component data type
  */
 //=============================================================================
 
-char* SMESH_Gen_i::IORToLocalPersistentID(SALOMEDS::SObject_ptr theSObject,
-                                         const char* IORString,
-                                         CORBA::Boolean isMultiFile,
-                                         CORBA::Boolean isASCII)
+char* SMESH_Gen_i::ComponentDataType()
 {
-  MESSAGE("SMESH_Gen_i::IORToLocalPersistentID");
-
-  char objectId[10];
-
-  SMESH::SMESH_Algo_var myAlgo = SMESH::SMESH_Algo::_narrow(_orb->string_to_object(IORString));
-  if (! CORBA::is_nil(myAlgo))
-    {
-      string prefix = "Hypo_";
-      sprintf(objectId,"%d",myAlgo->GetId());
-      string lpID = prefix + string(objectId);
-      return CORBA::string_dup(lpID.c_str());
-    }
-  else {
-    SMESH::SMESH_Hypothesis_var myHypo = SMESH::SMESH_Hypothesis::_narrow(_orb->string_to_object(IORString));
-    if (! CORBA::is_nil(myHypo))
-      {
-        string prefix = "Hypo_";
-        sprintf(objectId,"%d",myHypo->GetId());
-        string lpID = prefix + string(objectId);
-        return CORBA::string_dup(lpID.c_str());
-      }
-    else {
-      SMESH::SMESH_Mesh_var myMesh = SMESH::SMESH_Mesh::_narrow(_orb->string_to_object(IORString));
-      if (! CORBA::is_nil(myMesh))
-       {
-         string prefix = "Mesh_";
-         sprintf(objectId,"%d",myMesh->GetId());
-         string lpID = prefix + string(objectId);
-         return CORBA::string_dup(lpID.c_str());
-       }
-      else {
-       SMESH::SMESH_subMesh_var mySubMesh = SMESH::SMESH_subMesh::_narrow(_orb->string_to_object(IORString));
-       if (! CORBA::is_nil(mySubMesh))
-         {
-           string prefix = "SubMesh_";
-           sprintf(objectId,"%d",mySubMesh->GetId());
-           string lpID = prefix + string(objectId);
-           return CORBA::string_dup(lpID.c_str());
-         }
-       else return (strdup("no object"));
-      }
-    }
-  }
+  if(MYDEBUG) MESSAGE( "SMESH_Gen_i::ComponentDataType" );
+  return CORBA::string_dup( "SMESH" );
 }
 
+    
 //=============================================================================
 /*!
+ *  SMESH_Gen_i::IORToLocalPersistentID
  *  
+ *  Transform data from transient form to persistent
  */
 //=============================================================================
 
-char* SMESH_Gen_i::LocalPersistentIDToIOR(SALOMEDS::SObject_ptr theSObject,
-                                         const char* aLocalPersistentID,
-                                         CORBA::Boolean isMultiFile,
-                                         CORBA::Boolean isASCII)
+char* SMESH_Gen_i::IORToLocalPersistentID( SALOMEDS::SObject_ptr /*theSObject*/,
+                                          const char*           IORString,
+                                          CORBA::Boolean        /*isMultiFile*/,
+                                          CORBA::Boolean        /*isASCII*/ )
 {
-  MESSAGE("SMESH_Gen_i::LocalPersistentIDToIOR");
-  SCRUTE(aLocalPersistentID);
-  string clef = string(aLocalPersistentID);
-  SCRUTE(_SMESHCorbaObj[clef].c_str());
-  return CORBA::string_dup(_SMESHCorbaObj[clef].c_str());
+  if(MYDEBUG) MESSAGE( "SMESH_Gen_i::IORToLocalPersistentID" );
+  StudyContext* myStudyContext = GetCurrentStudyContext();
+  
+  if ( myStudyContext && strcmp( IORString, "" ) != 0 ) {
+    int anId = myStudyContext->findId( IORString );
+    if ( anId ) {
+      if(MYDEBUG) MESSAGE( "VSR " << anId )
+      char strId[ 20 ];
+      sprintf( strId, "%d", anId );
+      return  CORBA::string_dup( strId );
+    }
+  }
+  return CORBA::string_dup( "" );
 }
 
 //=============================================================================
 /*!
- *  
+ *  SMESH_Gen_i::LocalPersistentIDToIOR
+ *
+ *  Transform data from persistent form to transient
  */
 //=============================================================================
 
-SMESH_topo* SMESH_Gen_i::ExploreMainShape(GEOM::GEOM_Gen_ptr geomEngine,
-                                          CORBA::Long studyId,
-                                          GEOM::GEOM_Shape_ptr aShape)
+char* SMESH_Gen_i::LocalPersistentIDToIOR( SALOMEDS::SObject_ptr /*theSObject*/,
+                                          const char*           aLocalPersistentID,
+                                          CORBA::Boolean        /*isMultiFile*/,
+                                          CORBA::Boolean        /*isASCII*/ )
 {
-  MESSAGE("SMESH_Mesh_i::ExploreMainShape");
-  // _narrow() duplicates the reference and check the type
-  GEOM::GEOM_Gen_var geom = GEOM::GEOM_Gen::_narrow(geomEngine);
-  GEOM::GEOM_Shape_var myShape = GEOM::GEOM_Shape::_narrow(aShape);
-
-  if (CORBA::is_nil(geom))
-    THROW_SALOME_CORBA_EXCEPTION("bad geom reference", \
-                                 SALOME::BAD_PARAM);
-  if (CORBA::is_nil(myShape))
-    THROW_SALOME_CORBA_EXCEPTION("bad shape reference", \
-                                 SALOME::BAD_PARAM);
-  MESSAGE("---");
-  SCRUTE(myShape->Name());
-  geom->GetCurrentStudy(studyId);
-  SCRUTE(studyId);
-  TopoDS_Shape mainShape  = _ShapeReader->GetShape(geom,myShape);
-  MESSAGE("---");
-
-  // create an SMESH_topo object for the mainShape
-
-  SMESH_topo* myTopo = new SMESH_topo();
-  MESSAGE("---");
-
-  // explore local TopoDS_Shape, store reference of local TopoDS subShapes
-
-  for (TopExp_Explorer exp(mainShape,TopAbs_COMPOUND); exp.More(); exp.Next())
-    {
-      const TopoDS_Compound& E = TopoDS::Compound(exp.Current());
-      int i = myTopo->_myShapes[TopAbs_COMPOUND].Add(E);
-      SCRUTE(i);
-    }
-  for (TopExp_Explorer exp(mainShape,TopAbs_COMPSOLID); exp.More(); exp.Next())
-    {
-      const TopoDS_CompSolid& E = TopoDS::CompSolid(exp.Current());
-      int i = myTopo->_myShapes[TopAbs_COMPSOLID].Add(E);
-      SCRUTE(i);
-    }
-  for (TopExp_Explorer exp(mainShape,TopAbs_SOLID); exp.More(); exp.Next())
-    {
-      const TopoDS_Solid& E = TopoDS::Solid(exp.Current());
-      int i = myTopo->_myShapes[TopAbs_SOLID].Add(E);
-      SCRUTE(i);
-    }
-  for (TopExp_Explorer exp(mainShape,TopAbs_SHELL); exp.More(); exp.Next())
-    {
-      const TopoDS_Shell& E = TopoDS::Shell(exp.Current());
-      int i = myTopo->_myShapes[TopAbs_SHELL].Add(E);
-      SCRUTE(i);
-    }
-  for (TopExp_Explorer exp(mainShape,TopAbs_FACE); exp.More(); exp.Next())
-    {
-      const TopoDS_Face& E = TopoDS::Face(exp.Current());
-      int i = myTopo->_myShapes[TopAbs_FACE].Add(E);
-      SCRUTE(i);
-    }
-  for (TopExp_Explorer exp(mainShape,TopAbs_WIRE); exp.More(); exp.Next())
-    {
-      const TopoDS_Wire& E = TopoDS::Wire(exp.Current());
-      int i = myTopo->_myShapes[TopAbs_WIRE].Add(E);
-      SCRUTE(i);
-    }
-  for (TopExp_Explorer exp(mainShape,TopAbs_EDGE); exp.More(); exp.Next())
-    {
-      const TopoDS_Edge& E = TopoDS::Edge(exp.Current());
-      int i = myTopo->_myShapes[TopAbs_EDGE].Add(E);
-      SCRUTE(i);
-    }
-  for (TopExp_Explorer exp(mainShape,TopAbs_VERTEX); exp.More(); exp.Next())
-    {
-      const TopoDS_Vertex& E = TopoDS::Vertex(exp.Current());
-      int i = myTopo->_myShapes[TopAbs_VERTEX].Add(E);
-      SCRUTE(i);
-    }
-  
-  // explore subShapes of distant CORBA object,
-  // associate distant CORBA subShape references
-  // with local reference to local TopoDS subShape
+  if(MYDEBUG) MESSAGE( "SMESH_Gen_i::LocalPersistentIDToIOR(): id = " << aLocalPersistentID );
+  StudyContext* myStudyContext = GetCurrentStudyContext();
 
-  string filenode = "toposhape.txt";
-  ofstream fic(filenode.c_str());
+  if ( myStudyContext && strcmp( aLocalPersistentID, "" ) != 0 ) {
+    int anId = atoi( aLocalPersistentID );
+    return CORBA::string_dup( myStudyContext->getIORbyOldId( anId ).c_str() );
+  }
+  return CORBA::string_dup( "" );
+}
 
-  for (int shapeType = TopAbs_COMPOUND; shapeType < TopAbs_SHAPE; shapeType++)
-    {
-      fic << "shape type : " << SMESH_shapeTypeNames[shapeType];
+//=======================================================================
+//function : RegisterObject
+//purpose  : 
+//=======================================================================
 
-      GEOM::GEOM_Gen::ListOfGeomShapes_var subShapes
-        = geom->SubShapeAll(myShape,shapeType); 
-      int nbSubShapes = subShapes->length();
-      int nbLocal = myTopo->_myShapes[shapeType].Extent();
-      fic << " - number of elements: " << nbSubShapes << endl;
-      ASSERT(nbSubShapes == nbLocal);
+int SMESH_Gen_i::RegisterObject(CORBA::Object_ptr theObject)
+{
+  StudyContext* myStudyContext = GetCurrentStudyContext();
+  if ( myStudyContext && !CORBA::is_nil( theObject )) {
+    CORBA::String_var iorString = GetORB()->object_to_string( theObject );
+    return myStudyContext->addObject( string( iorString.in() ) );
+  }
+  return 0;
+}
 
-      for (int i=0; i< nbSubShapes; i++)
-        {
-          GEOM::GEOM_Shape_var aSubShape = subShapes[i];
-          string idShape = SMESH_topo::GetShapeLocalId(aSubShape);
-          fic << "  " <<  idShape;
-          SCRUTE(idShape);
-          TopoDS_Shape aLocShape  = _ShapeReader->GetShape(geom,aSubShape);
-          for (int j=1; j <= nbLocal; j++)
-            if (aLocShape.IsSame(myTopo->_myShapes[shapeType].FindKey(j)))
-              {
-                MESSAGE("  --- trouve = " << j);
-                myTopo->_mapIndShapes[shapeType][idShape] = j;
-                fic << "  --- trouve = " << j;
-                break;
-              }
-          fic << endl;
-        }
-    }
-  fic.close();
+//================================================================================
+/*!
+ * \brief Return id of registered object
+  * \param theObject - the Object
+  * \retval int - Object id
+ */
+//================================================================================
 
-  return myTopo;
+int SMESH_Gen_i::GetObjectId(CORBA::Object_ptr theObject)
+{
+  StudyContext* myStudyContext = GetCurrentStudyContext();
+  if ( myStudyContext && !CORBA::is_nil( theObject )) {
+    string iorString = GetORB()->object_to_string( theObject );
+    return myStudyContext->findId( iorString );
+  }
+  return 0;
 }
-      
+
 //=============================================================================
 /*! 
- * C factory, accessible with dlsym, after dlopen  
+ *  SMESHEngine_factory
+ *
+ *  C factory, accessible with dlsym, after dlopen  
  */
 //=============================================================================
 
 extern "C"
-{
-  PortableServer::ObjectId * SMESHEngine_factory(
-                               CORBA::ORB_ptr orb,
-                               PortableServer::POA_ptr poa, 
-                               PortableServer::ObjectId * contId,
-                               const char *instanceName, 
-                               const char *interfaceName)
+{ SMESH_I_EXPORT
+  PortableServer::ObjectId* SMESHEngine_factory( CORBA::ORB_ptr            orb,
+                                                PortableServer::POA_ptr   poa, 
+                                                PortableServer::ObjectId* contId,
+                                                const char*               instanceName, 
+                                                const char*               interfaceName )
   {
-    MESSAGE("PortableServer::ObjectId * SMESHEngine_factory()");
-    SCRUTE(interfaceName);
-    SMESH_Gen_i * mySMESH_Gen 
-      = new SMESH_Gen_i(orb, poa, contId, instanceName, interfaceName);
-    return mySMESH_Gen->getId() ;
+    if(MYDEBUG) MESSAGE( "PortableServer::ObjectId* SMESHEngine_factory()" );
+    if(MYDEBUG) SCRUTE(interfaceName);
+    SMESH_Gen_i* aSMESHGen = new SMESH_Gen_i(orb, poa, contId, instanceName, interfaceName);
+    return aSMESHGen->getId() ;
   }
 }