// Copyright (C) 2007-2014  CEA/DEN, EDF R&D, OPEN CASCADE
//
// Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
//
// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//

//  SMESH DriverMED : driver to read and write 'med' files
//  File   : DriverMED_R_SMESHDS_Mesh.cxx
//  Module : SMESH

#include "DriverMED_R_SMESHDS_Mesh.h"
#include "SMESHDS_Mesh.hxx"
#include "utilities.h"

#include "DriverMED_Family.h"

#include "SMESHDS_Group.hxx"

#include "MED_Factory.hxx"
#include "MED_CoordUtils.hxx"
#include "MED_Utilities.hxx"

#include <NCollection_Map.hxx>

#include <stdlib.h>

#ifdef _DEBUG_
static int MYDEBUG = 1;
//#define _DEXCEPT_
#else
static int MYDEBUG = 0;
#endif

#define _EDF_NODE_IDS_

using namespace MED;
using namespace std;

typedef std::map<int, DriverMED_FamilyPtr> TID2FamilyMap;

namespace DriverMED
{
  bool buildMeshGrille(const MED::PWrapper&  theWrapper,
                       const MED::PMeshInfo& theMeshInfo,
                       SMESHDS_Mesh*         theMesh,
                       const TID2FamilyMap&  myFamilies);
  /*!
   * \brief Ensure aFamily has a required ID
    * \param aFamily - a family to check
    * \param anID - an ID aFamily should have
    * \param myFamilies - a map of the family ID to the Family
    * \retval bool  - true if successful
   */
  bool checkFamilyID(DriverMED_FamilyPtr & aFamily,
                     int                   anID,
                     const TID2FamilyMap&  myFamilies);
}

void
DriverMED_R_SMESHDS_Mesh
::SetMeshName(string theMeshName)
{
  myMeshName = theMeshName;
}

static const SMDS_MeshNode* 
FindNode(const SMDS_Mesh* theMesh, TInt theId)
{
  const SMDS_MeshNode* aNode = theMesh->FindNode(theId);
  if(aNode) return aNode;
  EXCEPTION(runtime_error,"SMDS_Mesh::FindNode - cannot find a SMDS_MeshNode for ID = "<<theId);
}


Driver_Mesh::Status 
DriverMED_R_SMESHDS_Mesh
::Perform()
{
  Status aResult = DRS_FAIL;
  bool isDescConn = false; // Mantis issue 0020483
#ifndef _DEXCEPT_
  try{
#endif
    myFamilies.clear();
    if(MYDEBUG) MESSAGE("Perform - myFile : "<<myFile);
    PWrapper aMed = CrWrapper(myFile,true);

    aResult = DRS_EMPTY;
    if(TInt aNbMeshes = aMed->GetNbMeshes()){
      for(int iMesh = 0; iMesh < aNbMeshes; iMesh++){
        // Reading the MED mesh
        //---------------------
        PMeshInfo aMeshInfo = aMed->GetPMeshInfo(iMesh+1);

        string aMeshName;
        if (myMeshId != -1) {
          ostringstream aMeshNameStr;
          aMeshNameStr<<myMeshId;
          aMeshName = aMeshNameStr.str();
        } else {
          aMeshName = myMeshName;
        }
        if(MYDEBUG) MESSAGE("Perform - aMeshName : "<<aMeshName<<"; "<<aMeshInfo->GetName());
        if(aMeshName != aMeshInfo->GetName()) continue;
        aResult = DRS_OK;

        // Reading MED families to the temporary structure
        //------------------------------------------------
        TErr anErr;
        TInt aNbFams = aMed->GetNbFamilies(aMeshInfo);
        if(MYDEBUG) MESSAGE("Read " << aNbFams << " families");
        for (TInt iFam = 0; iFam < aNbFams; iFam++) {
          PFamilyInfo aFamilyInfo = aMed->GetPFamilyInfo(aMeshInfo,iFam+1,&anErr);
          if(anErr >= 0){
            TInt aFamId = aFamilyInfo->GetId();
            if(MYDEBUG) MESSAGE("Family " << aFamId << " :");
            
            DriverMED_FamilyPtr aFamily (new DriverMED_Family);
            
            TInt aNbGrp = aFamilyInfo->GetNbGroup();
            if(MYDEBUG) MESSAGE("belong to " << aNbGrp << " groups");
            bool isAttrOk = false;
            if(aFamilyInfo->GetNbAttr() == aNbGrp)
              isAttrOk = true;
            for (TInt iGr = 0; iGr < aNbGrp; iGr++) {
              string aGroupName = aFamilyInfo->GetGroupName(iGr);
              if(isAttrOk){
                TInt anAttrVal = aFamilyInfo->GetAttrVal(iGr);
                aFamily->SetGroupAttributVal(anAttrVal);
              }
              
              if(MYDEBUG) MESSAGE(aGroupName);
              aFamily->AddGroupName(aGroupName);
              
            }
            aFamily->SetId( aFamId );
            myFamilies[aFamId] = aFamily;
          }
        }

        if (aMeshInfo->GetType() == MED::eSTRUCTURE){
          /*bool aRes = */DriverMED::buildMeshGrille(aMed,aMeshInfo,myMesh,myFamilies);
          continue;
        }

        // Reading MED nodes to the corresponding SMDS structure
        //------------------------------------------------------
        PNodeInfo aNodeInfo = aMed->GetPNodeInfo(aMeshInfo);
        if (!aNodeInfo) {
          aResult = DRS_FAIL;
          continue;
        }
        aMeshInfo->myDim=aMeshInfo->mySpaceDim;// ignore meshdim in MEDFile because it can be false
        PCoordHelper aCoordHelper = GetCoordHelper(aNodeInfo);

        EBooleen anIsNodeNum = aNodeInfo->IsElemNum();
        TInt aNbElems = aNodeInfo->GetNbElem();
        if(MYDEBUG) MESSAGE("Perform - aNodeInfo->GetNbElem() = "<<aNbElems<<"; anIsNodeNum = "<<anIsNodeNum);
        DriverMED_FamilyPtr aFamily;
        for(TInt iElem = 0; iElem < aNbElems; iElem++){
          TCCoordSlice aCoordSlice = aNodeInfo->GetCoordSlice(iElem);
          double aCoords[3] = {0.0, 0.0, 0.0};
          for(TInt iDim = 0; iDim < 3; iDim++)
            aCoords[iDim] = aCoordHelper->GetCoord(aCoordSlice,iDim);
          const SMDS_MeshNode* aNode;
          if(anIsNodeNum) {
            aNode = myMesh->AddNodeWithID
              (aCoords[0],aCoords[1],aCoords[2],aNodeInfo->GetElemNum(iElem));
          } else {
            aNode = myMesh->AddNodeWithID
              (aCoords[0],aCoords[1],aCoords[2], iElem+1);
          }

          // Save reference to this node from its family
          TInt aFamNum = aNodeInfo->GetFamNum(iElem);
          if ( DriverMED::checkFamilyID ( aFamily, aFamNum, myFamilies ))
          {
            aFamily->AddElement(aNode);
            aFamily->SetType(SMDSAbs_Node);
          }
        }

        // Are there any MED cells in descending connectivity
        // Mantis issue 0020483
        //---------------------------------------------------
        NCollection_Map<EEntiteMaillage> aDescendingEntitiesMap;
        if (!isDescConn) {
          MED::TEntityInfo aEntityInfoDesc = aMed->GetEntityInfo(aMeshInfo, eDESC);
          MED::TEntityInfo::iterator anEntityIterDesc = aEntityInfoDesc.begin();
          //for (; anEntityIterDesc != aEntityInfoDesc.end() && !isDescConn; anEntityIterDesc++) {
          for (; anEntityIterDesc != aEntityInfoDesc.end(); anEntityIterDesc++) {
            const EEntiteMaillage& anEntity = anEntityIterDesc->first;
            aDescendingEntitiesMap.Add(anEntity);
            //if (anEntity != eNOEUD) isDescConn = true;
          }
        }

        // Reading pre information about all MED cells
        //--------------------------------------------
        typedef MED::TVector<int> TNodeIds;
        bool takeNumbers = true;  // initially we trust the numbers from file
        MED::TEntityInfo aEntityInfo = aMed->GetEntityInfo(aMeshInfo, eNOD);
        MED::TEntityInfo::iterator anEntityIter = aEntityInfo.begin();
        for (; anEntityIter != aEntityInfo.end(); anEntityIter++) {
          const EEntiteMaillage& anEntity = anEntityIter->first;
          aDescendingEntitiesMap.Remove(anEntity); // Mantis issue 0020483
          if (anEntity == eNOEUD) continue;
          // Reading MED cells to the corresponding SMDS structure
          //------------------------------------------------------
          const MED::TGeom2Size& aGeom2Size = anEntityIter->second;
          MED::TGeom2Size::const_iterator aGeom2SizeIter = aGeom2Size.begin();
          for(; aGeom2SizeIter != aGeom2Size.end(); aGeom2SizeIter++){
            const EGeometrieElement& aGeom = aGeom2SizeIter->first;

            if ( anEntity == eSTRUCT_ELEMENT ) // MED_BALL (issue 0021459)
            {
              PBallInfo aBallInfo = aMed->GetPBallInfo(aMeshInfo);
              TInt      aNbBalls  = aBallInfo->GetNbElem();

              EBooleen anIsElemNum = takeNumbers ? aBallInfo->IsElemNum() : eFAUX;
              if ( anIsElemNum && aBallInfo->myElemNum->empty() )
                anIsElemNum = eFAUX;

              // get supporting nodes
              TNodeIds aNodeIds;
#ifdef _EDF_NODE_IDS_
              if(anIsNodeNum) {
                aNodeIds.resize( aNbBalls );
                for(TInt iBall = 0; iBall < aNbBalls && anIsNodeNum; iBall++)
                {
                  aNodeIds[iBall] = aNodeInfo->GetElemNum( (*aBallInfo->myConn)[ iBall ]-1 );
                  anIsNodeNum = myMesh->FindNode( aNodeIds[iBall] ) ? eVRAI : eFAUX;
                }
              }
#endif
              if ( !anIsNodeNum )
                aNodeIds.swap( *(aBallInfo->myConn ));

              // allocate array of diameters
              vtkIdType maxID = myMesh->MaxElementID() + aNbBalls;
              if ( anIsElemNum && !aBallInfo->myElemNum->empty() )
                maxID = *std::max_element( aBallInfo->myElemNum->begin(),
                                           aBallInfo->myElemNum->end() );
              myMesh->getGrid()->AllocateDiameters( maxID ); // performance optimization

              // create balls
              SMDS_MeshElement* anElement;
              DriverMED_FamilyPtr aFamily;
              for ( TInt iBall = 0; iBall < aNbBalls; iBall++)
              {
                anElement = 0;
                if ( anIsElemNum ) {
                  if (!(anElement = myMesh->AddBallWithID( aNodeIds[iBall],
                                                           aBallInfo->myDiameters[iBall],
                                                           aBallInfo->GetElemNum(iBall))))
                    anIsElemNum = eFAUX;
                }
                if ( !anElement )
                  myMesh->AddBall( myMesh->FindNode( aNodeIds[iBall]),
                                   aBallInfo->myDiameters[iBall] );

                // Save reference to this element from its family
                TInt aFamNum = aBallInfo->GetFamNum(iBall);
                if ( DriverMED::checkFamilyID ( aFamily, aFamNum, myFamilies ))
                {
                  aFamily->AddElement(anElement);
                  aFamily->SetType( SMDSAbs_Ball );
                }
              }

              if ( !anIsElemNum &&
                   ( takeNumbers && aBallInfo->IsElemNum() && !aBallInfo->myElemNum->empty() ))
                if ( aResult < DRS_WARN_RENUMBER )
                  aResult = DRS_WARN_RENUMBER;

              continue;
            } // MED_BALL

            switch(aGeom) {
//          case ePOINT1: ## PAL16410
//            break;
            case ePOLYGONE: {
              PPolygoneInfo aPolygoneInfo = aMed->GetPPolygoneInfo(aMeshInfo,anEntity,aGeom);
              EBooleen anIsElemNum = takeNumbers ? aPolygoneInfo->IsElemNum() : eFAUX;
              
              TInt aNbElem = aPolygoneInfo->GetNbElem();
              for(TInt iElem = 0; iElem < aNbElem; iElem++){
                MED::TCConnSlice aConnSlice = aPolygoneInfo->GetConnSlice(iElem);
                TInt aNbConn = aPolygoneInfo->GetNbConn(iElem);
                TNodeIds aNodeIds(aNbConn);
#ifdef _EDF_NODE_IDS_
                if(anIsNodeNum)
                  for(TInt iConn = 0; iConn < aNbConn; iConn++)
                    aNodeIds[iConn] = aNodeInfo->GetElemNum(aConnSlice[iConn] - 1);
                else
                  for(TInt iConn = 0; iConn < aNbConn; iConn++)
                    aNodeIds[iConn] = aConnSlice[iConn];
#else
                for(TInt iConn = 0; iConn < aNbConn; iConn++)
                  aNodeIds[iConn] = aConnSlice[iConn];
#endif
                bool isRenum = false;
                SMDS_MeshElement* anElement = NULL;
                TInt aFamNum = aPolygoneInfo->GetFamNum(iElem);

#ifndef _DEXCEPT_
                try{
#endif
                  if(anIsElemNum){
                    TInt anElemId = aPolygoneInfo->GetElemNum(iElem);
                    anElement = myMesh->AddPolygonalFaceWithID(aNodeIds,anElemId);
                  }
                  if(!anElement){
                    vector<const SMDS_MeshNode*> aNodes(aNbConn);
                    for(TInt iConn = 0; iConn < aNbConn; iConn++)
                      aNodes[iConn] = FindNode(myMesh,aNodeIds[iConn]);
                    anElement = myMesh->AddPolygonalFace(aNodes);
                    isRenum = anIsElemNum;
                  }
#ifndef _DEXCEPT_
                }catch(const std::exception& exc){
                  aResult = DRS_FAIL;
                }catch (...){
                  aResult = DRS_FAIL;
                }
#endif
                if(!anElement){
                  aResult = DRS_WARN_SKIP_ELEM;
                }else{
                  if(isRenum){
                    anIsElemNum = eFAUX;
                    takeNumbers = false;
                    if(aResult < DRS_WARN_RENUMBER)
                      aResult = DRS_WARN_RENUMBER;
                  }
                  if ( DriverMED::checkFamilyID ( aFamily, aFamNum, myFamilies ))
                  {
                    // Save reference to this element from its family
                    aFamily->AddElement(anElement);
                    aFamily->SetType(anElement->GetType());
                  }
                }
              }
              break;
            }
            case ePOLYEDRE: {
              PPolyedreInfo aPolyedreInfo = aMed->GetPPolyedreInfo(aMeshInfo,anEntity,aGeom);
              EBooleen anIsElemNum = takeNumbers ? aPolyedreInfo->IsElemNum() : eFAUX;

              TInt aNbElem = aPolyedreInfo->GetNbElem();
              for(TInt iElem = 0; iElem < aNbElem; iElem++){
                MED::TCConnSliceArr aConnSliceArr = aPolyedreInfo->GetConnSliceArr(iElem);
                TInt aNbFaces = aConnSliceArr.size();
                typedef MED::TVector<int> TQuantities;
                TQuantities aQuantities(aNbFaces);
                TInt aNbNodes = aPolyedreInfo->GetNbNodes(iElem);
                TNodeIds aNodeIds(aNbNodes);
                for(TInt iFace = 0, iNode = 0; iFace < aNbFaces; iFace++){
                  MED::TCConnSlice aConnSlice = aConnSliceArr[iFace];
                  TInt aNbConn = aConnSlice.size();
                  aQuantities[iFace] = aNbConn;
#ifdef _EDF_NODE_IDS_
                  if(anIsNodeNum)
                    for(TInt iConn = 0; iConn < aNbConn; iConn++)
                      {
                      aNodeIds[iNode] = aNodeInfo->GetElemNum(aConnSlice[iConn] - 1);
                      iNode++;
                      }
                  else
                    for(TInt iConn = 0; iConn < aNbConn; iConn++)
                      {
                      aNodeIds[iNode++] = aConnSlice[iConn];
                      }
#else
                  for(TInt iConn = 0; iConn < aNbConn; iConn++)
                    {
                    aNodeIds[iNode++] = aConnSlice[iConn];
                    }
#endif          
                }

                bool isRenum = false;
                SMDS_MeshElement* anElement = NULL;
                TInt aFamNum = aPolyedreInfo->GetFamNum(iElem);
                
#ifndef _DEXCEPT_
                try{
#endif
                  if(anIsElemNum){
                    TInt anElemId = aPolyedreInfo->GetElemNum(iElem);
                    anElement = myMesh->AddPolyhedralVolumeWithID(aNodeIds,aQuantities,anElemId);
                  }
                  if(!anElement){
                    vector<const SMDS_MeshNode*> aNodes(aNbNodes);
                    for(TInt iConn = 0; iConn < aNbNodes; iConn++)
                      aNodes[iConn] = FindNode(myMesh,aNodeIds[iConn]);
                    anElement = myMesh->AddPolyhedralVolume(aNodes,aQuantities);
                    isRenum = anIsElemNum;
                  }
#ifndef _DEXCEPT_
                }catch(const std::exception& exc){
                  aResult = DRS_FAIL;
                }catch(...){
                  aResult = DRS_FAIL;
                }
#endif          
                if(!anElement){
                  aResult = DRS_WARN_SKIP_ELEM;
                }else{
                  if(isRenum){
                    anIsElemNum = eFAUX;
                    takeNumbers = false;
                    if (aResult < DRS_WARN_RENUMBER)
                      aResult = DRS_WARN_RENUMBER;
                  }
                  if ( DriverMED::checkFamilyID ( aFamily, aFamNum, myFamilies )) {
                    // Save reference to this element from its family
                    aFamily->AddElement(anElement);
                    aFamily->SetType(anElement->GetType());
                  }
                }
              }
              break;
            }
            default: {
              PCellInfo aCellInfo = aMed->GetPCellInfo(aMeshInfo,anEntity,aGeom);
              EBooleen anIsElemNum = takeNumbers ? aCellInfo->IsElemNum() : eFAUX;
              TInt aNbElems = aCellInfo->GetNbElem();
              if(MYDEBUG) MESSAGE("Perform - anEntity = "<<anEntity<<"; anIsElemNum = "<<anIsElemNum);
              if(MYDEBUG) MESSAGE("Perform - aGeom = "<<aGeom<<"; aNbElems = "<<aNbElems);

              TInt aNbNodes = -1;
              switch(aGeom){
              case eSEG2:    aNbNodes = 2;  break;
              case eSEG3:    aNbNodes = 3;  break;
              case eTRIA3:   aNbNodes = 3;  break;
              case eTRIA6:   aNbNodes = 6;  break;
              case eTRIA7:   aNbNodes = 7;  break;
              case eQUAD4:   aNbNodes = 4;  break;
              case eQUAD8:   aNbNodes = 8;  break;
              case eQUAD9:   aNbNodes = 9;  break;
              case eTETRA4:  aNbNodes = 4;  break;
              case eTETRA10: aNbNodes = 10; break;
              case ePYRA5:   aNbNodes = 5;  break;
              case ePYRA13:  aNbNodes = 13; break;
              case ePENTA6:  aNbNodes = 6;  break;
              case ePENTA15: aNbNodes = 15; break;
              case eHEXA8:   aNbNodes = 8;  break;
              case eHEXA20:  aNbNodes = 20; break;
              case eHEXA27:  aNbNodes = 27; break;
              case eOCTA12:  aNbNodes = 12; break;
              case ePOINT1:  aNbNodes = 1;  break;
              default:;
              }
              vector<TInt> aNodeIds(aNbNodes);
              for(int iElem = 0; iElem < aNbElems; iElem++){
                bool anIsValidConnect = false;
                TCConnSlice aConnSlice = aCellInfo->GetConnSlice(iElem);
#ifndef _DEXCEPT_
                try{
#endif
#ifdef _EDF_NODE_IDS_
                  if(anIsNodeNum)
                    for(int iNode = 0; iNode < aNbNodes; iNode++)
                      aNodeIds[iNode] = aNodeInfo->GetElemNum(aConnSlice[iNode] - 1);
                  else
                    for(int iNode = 0; iNode < aNbNodes; iNode++)
                      aNodeIds[iNode] = aConnSlice[iNode];
#else
                  for(int iNode = 0; iNode < aNbNodes; iNode++)
                    aNodeIds[iNode] = aConnSlice[iNode];
#endif
                  anIsValidConnect = true;
#ifndef _DEXCEPT_
                }catch(const std::exception& exc){
                  INFOS("Following exception was caught:\n\t"<<exc.what());
                  aResult = DRS_FAIL;
                }catch(...){
                  INFOS("Unknown exception was caught !!!");
                  aResult = DRS_FAIL;
                }
#endif          
                if(!anIsValidConnect)
                  continue;

                bool isRenum = false;
                const SMDS_MeshElement* anElement = NULL;
                TInt aFamNum = aCellInfo->GetFamNum(iElem);
#ifndef _DEXCEPT_
                try{
#endif
                  //MESSAGE("Try to create element # " << iElem << " with id = "
                  //        << aCellInfo->GetElemNum(iElem));
                  switch(aGeom) {
                  case ePOINT1:
                    //anElement = FindNode(myMesh,aNodeIds[0]);
                    if(anIsElemNum)
                      anElement = myMesh->Add0DElementWithID
                        (aNodeIds[0], aCellInfo->GetElemNum(iElem));
                    if (!anElement) {
                      anElement = myMesh->Add0DElement(FindNode(myMesh,aNodeIds[0]));
                      isRenum = anIsElemNum;
                    }
                    break;
                  case eSEG2:
                    if(anIsElemNum)
                      anElement = myMesh->AddEdgeWithID(aNodeIds[0],
                                                        aNodeIds[1],
                                                        aCellInfo->GetElemNum(iElem));
                    if (!anElement) {
                      anElement = myMesh->AddEdge(FindNode(myMesh,aNodeIds[0]),
                                                  FindNode(myMesh,aNodeIds[1]));
                      isRenum = anIsElemNum;
                    }
                    break;
                  case eSEG3:
                    if(anIsElemNum)
                      anElement = myMesh->AddEdgeWithID(aNodeIds[0],
                                                        aNodeIds[1],
                                                        aNodeIds[2],
                                                        aCellInfo->GetElemNum(iElem));
                    if (!anElement) {
                      anElement = myMesh->AddEdge(FindNode(myMesh,aNodeIds[0]),
                                                  FindNode(myMesh,aNodeIds[1]),
                                                  FindNode(myMesh,aNodeIds[2]));
                      isRenum = anIsElemNum;
                    }
                    break;
                  case eTRIA3:
                    aNbNodes = 3;
                    if(anIsElemNum)
                      anElement = myMesh->AddFaceWithID(aNodeIds[0],
                                                        aNodeIds[1],
                                                        aNodeIds[2],
                                                        aCellInfo->GetElemNum(iElem));
                    if (!anElement) {
                      anElement = myMesh->AddFace(FindNode(myMesh,aNodeIds[0]),
                                                  FindNode(myMesh,aNodeIds[1]),
                                                  FindNode(myMesh,aNodeIds[2]));
                      isRenum = anIsElemNum;
                    }
                    break;
                  case eTRIA6:
                    aNbNodes = 6;
                    if(anIsElemNum)
                      anElement = myMesh->AddFaceWithID(aNodeIds[0], aNodeIds[1],
                                                        aNodeIds[2], aNodeIds[3],
                                                        aNodeIds[4], aNodeIds[5],
                                                        aCellInfo->GetElemNum(iElem));
                    if (!anElement) {
                      anElement = myMesh->AddFace(FindNode(myMesh,aNodeIds[0]),
                                                  FindNode(myMesh,aNodeIds[1]),
                                                  FindNode(myMesh,aNodeIds[2]),
                                                  FindNode(myMesh,aNodeIds[3]),
                                                  FindNode(myMesh,aNodeIds[4]),
                                                  FindNode(myMesh,aNodeIds[5]));
                      isRenum = anIsElemNum;
                    }
                    break;
                  case eTRIA7:
                    aNbNodes = 7;
                    if(anIsElemNum)
                      anElement = myMesh->AddFaceWithID(aNodeIds[0], aNodeIds[1],
                                                        aNodeIds[2], aNodeIds[3],
                                                        aNodeIds[4], aNodeIds[5], aNodeIds[6],
                                                        aCellInfo->GetElemNum(iElem));
                    if (!anElement) {
                      anElement = myMesh->AddFace(FindNode(myMesh,aNodeIds[0]),
                                                  FindNode(myMesh,aNodeIds[1]),
                                                  FindNode(myMesh,aNodeIds[2]),
                                                  FindNode(myMesh,aNodeIds[3]),
                                                  FindNode(myMesh,aNodeIds[4]),
                                                  FindNode(myMesh,aNodeIds[5]),
                                                  FindNode(myMesh,aNodeIds[6]));
                      isRenum = anIsElemNum;
                    }
                    break;
                  case eQUAD4:
                    aNbNodes = 4;
                    if(anIsElemNum)
                      anElement = myMesh->AddFaceWithID(aNodeIds[0], aNodeIds[1],
                                                        aNodeIds[2], aNodeIds[3],
                                                        aCellInfo->GetElemNum(iElem));
                    if (!anElement) {
                      anElement = myMesh->AddFace(FindNode(myMesh,aNodeIds[0]),
                                                  FindNode(myMesh,aNodeIds[1]),
                                                  FindNode(myMesh,aNodeIds[2]),
                                                  FindNode(myMesh,aNodeIds[3]));
                      isRenum = anIsElemNum;
                    }
                    break;
                  case eQUAD8:
                    aNbNodes = 8;
                    if(anIsElemNum)
                      anElement = myMesh->AddFaceWithID(aNodeIds[0], aNodeIds[1],
                                                        aNodeIds[2], aNodeIds[3],
                                                        aNodeIds[4], aNodeIds[5],
                                                        aNodeIds[6], aNodeIds[7],
                                                        aCellInfo->GetElemNum(iElem));
                    if (!anElement) {
                      anElement = myMesh->AddFace(FindNode(myMesh,aNodeIds[0]),
                                                  FindNode(myMesh,aNodeIds[1]),
                                                  FindNode(myMesh,aNodeIds[2]),
                                                  FindNode(myMesh,aNodeIds[3]),
                                                  FindNode(myMesh,aNodeIds[4]),
                                                  FindNode(myMesh,aNodeIds[5]),
                                                  FindNode(myMesh,aNodeIds[6]),
                                                  FindNode(myMesh,aNodeIds[7]));
                      isRenum = anIsElemNum;
                    }
                    break;
                  case eQUAD9:
                    aNbNodes = 9;
                    if(anIsElemNum)
                      anElement = myMesh->AddFaceWithID(aNodeIds[0], aNodeIds[1],
                                                        aNodeIds[2], aNodeIds[3],
                                                        aNodeIds[4], aNodeIds[5],
                                                        aNodeIds[6], aNodeIds[7], aNodeIds[8],
                                                        aCellInfo->GetElemNum(iElem));
                    if (!anElement) {
                      anElement = myMesh->AddFace(FindNode(myMesh,aNodeIds[0]),
                                                  FindNode(myMesh,aNodeIds[1]),
                                                  FindNode(myMesh,aNodeIds[2]),
                                                  FindNode(myMesh,aNodeIds[3]),
                                                  FindNode(myMesh,aNodeIds[4]),
                                                  FindNode(myMesh,aNodeIds[5]),
                                                  FindNode(myMesh,aNodeIds[6]),
                                                  FindNode(myMesh,aNodeIds[7]),
                                                  FindNode(myMesh,aNodeIds[8]));
                      isRenum = anIsElemNum;
                    }
                    break;
                  case eTETRA4:
                    aNbNodes = 4;
                    if(anIsElemNum)
                      anElement = myMesh->AddVolumeWithID(aNodeIds[0], aNodeIds[1],
                                                          aNodeIds[2], aNodeIds[3],
                                                          aCellInfo->GetElemNum(iElem));
                    if (!anElement) {
                      anElement = myMesh->AddVolume(FindNode(myMesh,aNodeIds[0]),
                                                    FindNode(myMesh,aNodeIds[1]),
                                                    FindNode(myMesh,aNodeIds[2]),
                                                    FindNode(myMesh,aNodeIds[3]));
                      isRenum = anIsElemNum;
                    }
                    break;
                  case eTETRA10:
                    aNbNodes = 10;
                    if(anIsElemNum)
                      anElement = myMesh->AddVolumeWithID(aNodeIds[0], aNodeIds[1],
                                                          aNodeIds[2], aNodeIds[3],
                                                          aNodeIds[4], aNodeIds[5],
                                                          aNodeIds[6], aNodeIds[7],
                                                          aNodeIds[8], aNodeIds[9],
                                                          aCellInfo->GetElemNum(iElem));
                    if (!anElement) {
                      anElement = myMesh->AddVolume(FindNode(myMesh,aNodeIds[0]),
                                                    FindNode(myMesh,aNodeIds[1]),
                                                    FindNode(myMesh,aNodeIds[2]),
                                                    FindNode(myMesh,aNodeIds[3]),
                                                    FindNode(myMesh,aNodeIds[4]),
                                                    FindNode(myMesh,aNodeIds[5]),
                                                    FindNode(myMesh,aNodeIds[6]),
                                                    FindNode(myMesh,aNodeIds[7]),
                                                    FindNode(myMesh,aNodeIds[8]),
                                                    FindNode(myMesh,aNodeIds[9]));
                      isRenum = anIsElemNum;
                    }
                    break;
                  case ePYRA5:
                    aNbNodes = 5;
                    if(anIsElemNum)
                      anElement = myMesh->AddVolumeWithID(aNodeIds[0], aNodeIds[1],
                                                          aNodeIds[2], aNodeIds[3],
                                                          aNodeIds[4],
                                                          aCellInfo->GetElemNum(iElem));
                    if (!anElement) {
                      anElement = myMesh->AddVolume(FindNode(myMesh,aNodeIds[0]),
                                                    FindNode(myMesh,aNodeIds[1]),
                                                    FindNode(myMesh,aNodeIds[2]),
                                                    FindNode(myMesh,aNodeIds[3]),
                                                    FindNode(myMesh,aNodeIds[4]));
                      isRenum = anIsElemNum;
                    }
                    break;
                  case ePYRA13:
                    aNbNodes = 13;
                    if(anIsElemNum)
                      anElement = myMesh->AddVolumeWithID(aNodeIds[0], aNodeIds[1],
                                                          aNodeIds[2], aNodeIds[3],
                                                          aNodeIds[4], aNodeIds[5],
                                                          aNodeIds[6], aNodeIds[7],
                                                          aNodeIds[8], aNodeIds[9],
                                                          aNodeIds[10], aNodeIds[11],
                                                          aNodeIds[12],
                                                          aCellInfo->GetElemNum(iElem));
                    if (!anElement) {
                      anElement = myMesh->AddVolume(FindNode(myMesh,aNodeIds[0]),
                                                    FindNode(myMesh,aNodeIds[1]),
                                                    FindNode(myMesh,aNodeIds[2]),
                                                    FindNode(myMesh,aNodeIds[3]),
                                                    FindNode(myMesh,aNodeIds[4]),
                                                    FindNode(myMesh,aNodeIds[5]),
                                                    FindNode(myMesh,aNodeIds[6]),
                                                    FindNode(myMesh,aNodeIds[7]),
                                                    FindNode(myMesh,aNodeIds[8]),
                                                    FindNode(myMesh,aNodeIds[9]),
                                                    FindNode(myMesh,aNodeIds[10]),
                                                    FindNode(myMesh,aNodeIds[11]),
                                                    FindNode(myMesh,aNodeIds[12]));
                      isRenum = anIsElemNum;
                    }
                    break;
                  case ePENTA6:
                    aNbNodes = 6;
                    if(anIsElemNum)
                      anElement = myMesh->AddVolumeWithID(aNodeIds[0],
                                                          aNodeIds[1],
                                                          aNodeIds[2],
                                                          aNodeIds[3],
                                                          aNodeIds[4],
                                                          aNodeIds[5],
                                                          aCellInfo->GetElemNum(iElem));
                    if (!anElement) {
                      anElement = myMesh->AddVolume(FindNode(myMesh,aNodeIds[0]),
                                                    FindNode(myMesh,aNodeIds[1]),
                                                    FindNode(myMesh,aNodeIds[2]),
                                                    FindNode(myMesh,aNodeIds[3]),
                                                    FindNode(myMesh,aNodeIds[4]),
                                                    FindNode(myMesh,aNodeIds[5]));
                      isRenum = anIsElemNum;
                    }
                    break;
                  case ePENTA15:
                    aNbNodes = 15;
                    if(anIsElemNum)
                      anElement = myMesh->AddVolumeWithID(aNodeIds[0], aNodeIds[1],
                                                          aNodeIds[2], aNodeIds[3],
                                                          aNodeIds[4], aNodeIds[5],
                                                          aNodeIds[6], aNodeIds[7],
                                                          aNodeIds[8], aNodeIds[9],
                                                          aNodeIds[10], aNodeIds[11],
                                                          aNodeIds[12], aNodeIds[13],
                                                          aNodeIds[14],
                                                          aCellInfo->GetElemNum(iElem));
                    if (!anElement) {
                      anElement = myMesh->AddVolume(FindNode(myMesh,aNodeIds[0]),
                                                    FindNode(myMesh,aNodeIds[1]),
                                                    FindNode(myMesh,aNodeIds[2]),
                                                    FindNode(myMesh,aNodeIds[3]),
                                                  FindNode(myMesh,aNodeIds[4]),
                                                    FindNode(myMesh,aNodeIds[5]),
                                                    FindNode(myMesh,aNodeIds[6]),
                                                    FindNode(myMesh,aNodeIds[7]),
                                                    FindNode(myMesh,aNodeIds[8]),
                                                    FindNode(myMesh,aNodeIds[9]),
                                                    FindNode(myMesh,aNodeIds[10]),
                                                    FindNode(myMesh,aNodeIds[11]),
                                                    FindNode(myMesh,aNodeIds[12]),
                                                    FindNode(myMesh,aNodeIds[13]),
                                                    FindNode(myMesh,aNodeIds[14]));
                      isRenum = anIsElemNum;
                    }
                    break;
                  case eHEXA8:
                    aNbNodes = 8;
                    if(anIsElemNum)
                      anElement = myMesh->AddVolumeWithID(aNodeIds[0],
                                                          aNodeIds[1],
                                                          aNodeIds[2],
                                                          aNodeIds[3],
                                                          aNodeIds[4],
                                                          aNodeIds[5],
                                                          aNodeIds[6],
                                                          aNodeIds[7],
                                                          aCellInfo->GetElemNum(iElem));
                    if (!anElement) {
                      anElement = myMesh->AddVolume(FindNode(myMesh,aNodeIds[0]),
                                                    FindNode(myMesh,aNodeIds[1]),
                                                    FindNode(myMesh,aNodeIds[2]),
                                                    FindNode(myMesh,aNodeIds[3]),
                                                    FindNode(myMesh,aNodeIds[4]),
                                                    FindNode(myMesh,aNodeIds[5]),
                                                    FindNode(myMesh,aNodeIds[6]),
                                                    FindNode(myMesh,aNodeIds[7]));
                      isRenum = anIsElemNum;
                    }
                    break;

                  case eHEXA20:
                    aNbNodes = 20;
                    if(anIsElemNum)
                      anElement = myMesh->AddVolumeWithID(aNodeIds[0], aNodeIds[1],
                                                          aNodeIds[2], aNodeIds[3],
                                                          aNodeIds[4], aNodeIds[5],
                                                          aNodeIds[6], aNodeIds[7],
                                                          aNodeIds[8], aNodeIds[9],
                                                          aNodeIds[10], aNodeIds[11],
                                                          aNodeIds[12], aNodeIds[13],
                                                          aNodeIds[14], aNodeIds[15],
                                                          aNodeIds[16], aNodeIds[17],
                                                          aNodeIds[18], aNodeIds[19],
                                                          aCellInfo->GetElemNum(iElem));
                    if (!anElement) {
                      anElement = myMesh->AddVolume(FindNode(myMesh,aNodeIds[0]),
                                                    FindNode(myMesh,aNodeIds[1]),
                                                    FindNode(myMesh,aNodeIds[2]),
                                                    FindNode(myMesh,aNodeIds[3]),
                                                    FindNode(myMesh,aNodeIds[4]),
                                                    FindNode(myMesh,aNodeIds[5]),
                                                    FindNode(myMesh,aNodeIds[6]),
                                                    FindNode(myMesh,aNodeIds[7]),
                                                    FindNode(myMesh,aNodeIds[8]),
                                                    FindNode(myMesh,aNodeIds[9]),
                                                    FindNode(myMesh,aNodeIds[10]),
                                                    FindNode(myMesh,aNodeIds[11]),
                                                    FindNode(myMesh,aNodeIds[12]),
                                                    FindNode(myMesh,aNodeIds[13]),
                                                    FindNode(myMesh,aNodeIds[14]),
                                                    FindNode(myMesh,aNodeIds[15]),
                                                    FindNode(myMesh,aNodeIds[16]),
                                                    FindNode(myMesh,aNodeIds[17]),
                                                    FindNode(myMesh,aNodeIds[18]),
                                                    FindNode(myMesh,aNodeIds[19]));
                      isRenum = anIsElemNum;
                    }
                    break;

                  case eHEXA27:
                    aNbNodes = 27;
                    if(anIsElemNum)
                      anElement = myMesh->AddVolumeWithID(aNodeIds[0], aNodeIds[1],
                                                          aNodeIds[2], aNodeIds[3],
                                                          aNodeIds[4], aNodeIds[5],
                                                          aNodeIds[6], aNodeIds[7],
                                                          aNodeIds[8], aNodeIds[9],
                                                          aNodeIds[10], aNodeIds[11],
                                                          aNodeIds[12], aNodeIds[13],
                                                          aNodeIds[14], aNodeIds[15],
                                                          aNodeIds[16], aNodeIds[17],
                                                          aNodeIds[18], aNodeIds[19],
                                                          aNodeIds[20], aNodeIds[21],
                                                          aNodeIds[22], aNodeIds[23],
                                                          aNodeIds[24], aNodeIds[25],
                                                          aNodeIds[26],
                                                          aCellInfo->GetElemNum(iElem));
                    if (!anElement) {
                      anElement = myMesh->AddVolume(FindNode(myMesh,aNodeIds[0]),
                                                    FindNode(myMesh,aNodeIds[1]),
                                                    FindNode(myMesh,aNodeIds[2]),
                                                    FindNode(myMesh,aNodeIds[3]),
                                                    FindNode(myMesh,aNodeIds[4]),
                                                    FindNode(myMesh,aNodeIds[5]),
                                                    FindNode(myMesh,aNodeIds[6]),
                                                    FindNode(myMesh,aNodeIds[7]),
                                                    FindNode(myMesh,aNodeIds[8]),
                                                    FindNode(myMesh,aNodeIds[9]),
                                                    FindNode(myMesh,aNodeIds[10]),
                                                    FindNode(myMesh,aNodeIds[11]),
                                                    FindNode(myMesh,aNodeIds[12]),
                                                    FindNode(myMesh,aNodeIds[13]),
                                                    FindNode(myMesh,aNodeIds[14]),
                                                    FindNode(myMesh,aNodeIds[15]),
                                                    FindNode(myMesh,aNodeIds[16]),
                                                    FindNode(myMesh,aNodeIds[17]),
                                                    FindNode(myMesh,aNodeIds[18]),
                                                    FindNode(myMesh,aNodeIds[19]),
                                                    FindNode(myMesh,aNodeIds[20]),
                                                    FindNode(myMesh,aNodeIds[21]),
                                                    FindNode(myMesh,aNodeIds[22]),
                                                    FindNode(myMesh,aNodeIds[23]),
                                                    FindNode(myMesh,aNodeIds[24]),
                                                    FindNode(myMesh,aNodeIds[25]),
                                                    FindNode(myMesh,aNodeIds[26]));
                      isRenum = anIsElemNum;
                    }
                    break;

                  case eOCTA12:
                    aNbNodes = 12;
                    if(anIsElemNum)
                      anElement = myMesh->AddVolumeWithID(aNodeIds[0], aNodeIds[1],
                                                          aNodeIds[2], aNodeIds[3],
                                                          aNodeIds[4], aNodeIds[5],
                                                          aNodeIds[6], aNodeIds[7],
                                                          aNodeIds[8], aNodeIds[9],
                                                          aNodeIds[10], aNodeIds[11],
                                                          aCellInfo->GetElemNum(iElem));
                    if (!anElement) {
                      anElement = myMesh->AddVolume(FindNode(myMesh,aNodeIds[0]),
                                                    FindNode(myMesh,aNodeIds[1]),
                                                    FindNode(myMesh,aNodeIds[2]),
                                                    FindNode(myMesh,aNodeIds[3]),
                                                    FindNode(myMesh,aNodeIds[4]),
                                                    FindNode(myMesh,aNodeIds[5]),
                                                    FindNode(myMesh,aNodeIds[6]),
                                                    FindNode(myMesh,aNodeIds[7]),
                                                    FindNode(myMesh,aNodeIds[8]),
                                                    FindNode(myMesh,aNodeIds[9]),
                                                    FindNode(myMesh,aNodeIds[10]),
                                                    FindNode(myMesh,aNodeIds[11]));
                      isRenum = anIsElemNum;
                    }
                    break;

                  } // switch(aGeom)

#ifndef _DEXCEPT_
                }catch(const std::exception& exc){
                  INFOS("The following exception was caught:\n\t"<<exc.what());
                  aResult = DRS_FAIL;
                }catch(...){
                  INFOS("Unknown exception was caught !!!");
                  aResult = DRS_FAIL;
                }
#endif          
                if (!anElement) {
                  aResult = DRS_WARN_SKIP_ELEM;
                }
                else {
                  if (isRenum) {
                    anIsElemNum = eFAUX;
                    takeNumbers = false;
                    if (aResult < DRS_WARN_RENUMBER)
                      aResult = DRS_WARN_RENUMBER;
                  }
                  if ( DriverMED::checkFamilyID ( aFamily, aFamNum, myFamilies )) {
                    // Save reference to this element from its family
                    myFamilies[aFamNum]->AddElement(anElement);
                    myFamilies[aFamNum]->SetType(anElement->GetType());
                  }
                }
              }
            }}
          }
        }
        if (aDescendingEntitiesMap.Extent()) isDescConn = true; // Mantis issue 0020483
      } // for(int iMesh = 0; iMesh < aNbMeshes; iMesh++)
    } // if aNbMeshes
#ifndef _DEXCEPT_
  }catch(const std::exception& exc){
    INFOS("The following exception was caught:\n\t"<<exc.what());
    aResult = DRS_FAIL;
  }catch(...){
    INFOS("Unknown exception was caught !!!");
    aResult = DRS_FAIL;
  }
#endif
  if (myMesh)
    myMesh->compactMesh();

  // Mantis issue 0020483
  if (aResult == DRS_OK && isDescConn) {
    INFOS("There are some elements in descending connectivity in med file. They were not read !!!");
    aResult = DRS_WARN_DESCENDING;
  }

  if(MYDEBUG) MESSAGE("Perform - aResult status = "<<aResult);
  return aResult;
}

list<string> DriverMED_R_SMESHDS_Mesh::GetMeshNames(Status& theStatus)
{
  list<string> aMeshNames;

  try {
    if(MYDEBUG) MESSAGE("GetMeshNames - myFile : " << myFile);
    theStatus = DRS_OK;
    PWrapper aMed = CrWrapper(myFile);

    if (TInt aNbMeshes = aMed->GetNbMeshes()) {
      for (int iMesh = 0; iMesh < aNbMeshes; iMesh++) {
        // Reading the MED mesh
        //---------------------
        PMeshInfo aMeshInfo = aMed->GetPMeshInfo(iMesh+1);
        aMeshNames.push_back(aMeshInfo->GetName());
      }
    }
  } catch(const std::exception& exc) {
    INFOS("Following exception was caught:\n\t"<<exc.what());
    theStatus = DRS_FAIL;
  } catch(...) {
    INFOS("Unknown exception was caught !!!");
    theStatus = DRS_FAIL;
  }

  return aMeshNames;
}

list<TNameAndType> DriverMED_R_SMESHDS_Mesh::GetGroupNamesAndTypes()
{
  list<TNameAndType> aResult;
  set<TNameAndType> aResGroupNames;

  map<int, DriverMED_FamilyPtr>::iterator aFamsIter = myFamilies.begin();
  for (; aFamsIter != myFamilies.end(); aFamsIter++)
  {
    DriverMED_FamilyPtr aFamily = (*aFamsIter).second;
    const MED::TStringSet& aGroupNames = aFamily->GetGroupNames();
    set<string>::const_iterator aGrNamesIter = aGroupNames.begin();
    for (; aGrNamesIter != aGroupNames.end(); aGrNamesIter++)
    {
      const set< SMDSAbs_ElementType >& types = aFamily->GetTypes();
      set< SMDSAbs_ElementType >::const_iterator type = types.begin();
      for ( ; type != types.end(); ++type )
      {
        TNameAndType aNameAndType = make_pair( *aGrNamesIter, *type );
        if ( aResGroupNames.insert( aNameAndType ).second ) {
          aResult.push_back( aNameAndType );
        }
      }
    }
  }

  return aResult;
}

void DriverMED_R_SMESHDS_Mesh::GetGroup(SMESHDS_Group* theGroup)
{
  string aGroupName (theGroup->GetStoreName());
  if(MYDEBUG) MESSAGE("Get Group " << aGroupName);

  map<int, DriverMED_FamilyPtr>::iterator aFamsIter = myFamilies.begin();
  for (; aFamsIter != myFamilies.end(); aFamsIter++)
  {
    DriverMED_FamilyPtr aFamily = (*aFamsIter).second;
    if (aFamily->GetTypes().count( theGroup->GetType() ) && aFamily->MemberOf(aGroupName))
    {
      const set<const SMDS_MeshElement *>& anElements = aFamily->GetElements();
      set<const SMDS_MeshElement *>::const_iterator anElemsIter = anElements.begin();
      for (; anElemsIter != anElements.end(); anElemsIter++)
      {
        const SMDS_MeshElement * element = *anElemsIter;
        if ( element->GetType() == theGroup->GetType() ) // Issue 0020576
          theGroup->SMDSGroup().Add(element);
      }
      int aGroupAttrVal = aFamily->GetGroupAttributVal();
      if( aGroupAttrVal != 0)
        theGroup->SetColorGroup(aGroupAttrVal);
//       if ( element ) -- Issue 0020576
//         theGroup->SetType( theGroup->SMDSGroup().GetType() );
    }
  }
}

void DriverMED_R_SMESHDS_Mesh::GetSubMesh (SMESHDS_SubMesh* theSubMesh,
                                           const int theId)
{
  char submeshGrpName[ 30 ];
  sprintf( submeshGrpName, "SubMesh %d", theId );
  string aName (submeshGrpName);
  map<int, DriverMED_FamilyPtr>::iterator aFamsIter = myFamilies.begin();
  for (; aFamsIter != myFamilies.end(); aFamsIter++)
  {
    DriverMED_FamilyPtr aFamily = (*aFamsIter).second;
    if (aFamily->MemberOf(aName))
    {
      const set<const SMDS_MeshElement *>& anElements = aFamily->GetElements();
      set<const SMDS_MeshElement *>::const_iterator anElemsIter = anElements.begin();
      if (aFamily->GetType() == SMDSAbs_Node)
      {
        for (; anElemsIter != anElements.end(); anElemsIter++)
        {
          const SMDS_MeshNode* node = static_cast<const SMDS_MeshNode*>(*anElemsIter);
          theSubMesh->AddNode(node);
        }
      }
      else
      {
        for (; anElemsIter != anElements.end(); anElemsIter++)
        {
          theSubMesh->AddElement(*anElemsIter);
        }
      }
    }
  }
}

void DriverMED_R_SMESHDS_Mesh::CreateAllSubMeshes ()
{
  map<int, DriverMED_FamilyPtr>::iterator aFamsIter = myFamilies.begin();
  for (; aFamsIter != myFamilies.end(); aFamsIter++)
  {
    DriverMED_FamilyPtr aFamily = (*aFamsIter).second;
    MED::TStringSet aGroupNames = aFamily->GetGroupNames();
    set<string>::iterator aGrNamesIter = aGroupNames.begin();
    for (; aGrNamesIter != aGroupNames.end(); aGrNamesIter++)
    {
      string aName = *aGrNamesIter;
      // Check, if this is a Group or SubMesh name
      if (aName.substr(0, 7) == string("SubMesh"))
      {
        int Id = atoi(string(aName).substr(7).c_str());
        set<const SMDS_MeshElement *> anElements = aFamily->GetElements();
        set<const SMDS_MeshElement *>::iterator anElemsIter = anElements.begin();
        if (aFamily->GetType() == SMDSAbs_Node)
        {
          for (; anElemsIter != anElements.end(); anElemsIter++)
          {
            SMDS_MeshNode* node = const_cast<SMDS_MeshNode*>
              ( static_cast<const SMDS_MeshNode*>( *anElemsIter ));
            // find out a shape type
            TopoDS_Shape aShape = myMesh->IndexToShape( Id );
            int aShapeType = ( aShape.IsNull() ? -1 : aShape.ShapeType() );
            switch ( aShapeType ) {
            case TopAbs_FACE:
              myMesh->SetNodeOnFace(node, Id); break;
            case TopAbs_EDGE:
              myMesh->SetNodeOnEdge(node, Id); break;
            case TopAbs_VERTEX:
              myMesh->SetNodeOnVertex(node, Id); break;
            default:
              myMesh->SetNodeInVolume(node, Id);
            }
          }
        }
        else
        {
          for (; anElemsIter != anElements.end(); anElemsIter++)
          {
            myMesh->SetMeshElementOnShape(*anElemsIter, Id);
          }
        }
      }
    }
  }
}
/*!
 * \brief Ensure aFamily to have required ID
 * \param aFamily - a family to check and update
 * \param anID - an ID aFamily should have
 * \retval bool  - true if successful
 */
bool DriverMED::checkFamilyID(DriverMED_FamilyPtr & aFamily,
                              int                   anID,
                              const TID2FamilyMap&  myFamilies)
{
  if ( !aFamily || aFamily->GetId() != anID ) {
    map<int, DriverMED_FamilyPtr>::const_iterator i_fam = myFamilies.find(anID);
    if ( i_fam == myFamilies.end() )
      return false;
    aFamily = i_fam->second;
  }
  return ( aFamily->GetId() == anID );
}

/*!
 * \brief Reading the structured mesh and convert to non structured
 *        (by filling of smesh structure for non structured mesh)
 * \param theWrapper  - PWrapper const pointer
 * \param theMeshInfo - PMeshInfo const pointer
 * \param myFamilies  - a map of the family ID to the Family
 * \return TRUE, if successfully. Else FALSE
 */
bool DriverMED::buildMeshGrille(const MED::PWrapper&  theWrapper,
                                const MED::PMeshInfo& theMeshInfo,
                                SMESHDS_Mesh*         myMesh,
                                const TID2FamilyMap&  myFamilies)
{
  bool res = true;

  MED::PGrilleInfo aGrilleInfo = theWrapper->GetPGrilleInfo(theMeshInfo);
  MED::TInt aNbNodes = aGrilleInfo->GetNbNodes();
  MED::TInt aNbCells = aGrilleInfo->GetNbCells();
  MED::TInt aMeshDim = theMeshInfo->GetDim();
  DriverMED_FamilyPtr aFamily;
  for(MED::TInt iNode=0;iNode < aNbNodes; iNode++){
    double aCoords[3] = {0.0, 0.0, 0.0};
    const SMDS_MeshNode* aNode;
    MED::TNodeCoord aMEDNodeCoord = aGrilleInfo->GetCoord(iNode);
    for(MED::TInt iDim=0;iDim<aMeshDim;iDim++)
      aCoords[(int)iDim] = aMEDNodeCoord[(int)iDim];
    aNode = myMesh->AddNodeWithID(aCoords[0],aCoords[1],aCoords[2],iNode+1);
    if (!aNode) {
      EXCEPTION(runtime_error,"buildMeshGrille Error. Node not created! "<<(int)iNode);
    }

    if((aGrilleInfo->myFamNumNode).size() > 0){
      TInt aFamNum = aGrilleInfo->GetFamNumNode(iNode);
      if ( DriverMED::checkFamilyID ( aFamily, aFamNum, myFamilies ))
        {
          aFamily->AddElement(aNode);
          aFamily->SetType(SMDSAbs_Node);
        }
    }
    
  }

  SMDS_MeshElement* anElement = NULL;
  MED::TIntVector aNodeIds;
  for(MED::TInt iCell=0;iCell < aNbCells; iCell++){
    aNodeIds = aGrilleInfo->GetConn(iCell);
    switch(aGrilleInfo->GetGeom()){
    case MED::eSEG2:
      if(aNodeIds.size() != 2){
        res = false;
        EXCEPTION(runtime_error,"buildMeshGrille Error. Incorrect size of ids 2!="<<aNodeIds.size());
      }
      anElement = myMesh->AddEdgeWithID(aNodeIds[0]+1,
                                        aNodeIds[1]+1,
                                        iCell+1);
      break;
    case MED::eQUAD4:
      if(aNodeIds.size() != 4){
        res = false;
        EXCEPTION(runtime_error,"buildMeshGrille Error. Incorrect size of ids 4!="<<aNodeIds.size());
      }
      anElement = myMesh->AddFaceWithID(aNodeIds[0]+1,
                                        aNodeIds[2]+1,
                                        aNodeIds[3]+1,
                                        aNodeIds[1]+1,
                                        iCell+1);
      break;
    case MED::eHEXA8:
      if(aNodeIds.size() != 8){
        res = false;
        EXCEPTION(runtime_error,"buildMeshGrille Error. Incorrect size of ids 8!="<<aNodeIds.size());
      }
      anElement = myMesh->AddVolumeWithID(aNodeIds[0]+1,
                                          aNodeIds[2]+1,
                                          aNodeIds[3]+1,
                                          aNodeIds[1]+1,
                                          aNodeIds[4]+1,
                                          aNodeIds[6]+1,
                                          aNodeIds[7]+1,
                                          aNodeIds[5]+1,
                                          iCell+1);
      break;
    default:
      break;
    }
    if (!anElement) {
      EXCEPTION(runtime_error,"buildMeshGrille Error. Element not created! "<<iCell);
    }
    if((aGrilleInfo->myFamNum).size() > 0){
      TInt aFamNum = aGrilleInfo->GetFamNum(iCell);
      if ( DriverMED::checkFamilyID ( aFamily, aFamNum, myFamilies )){
        aFamily->AddElement(anElement);
        aFamily->SetType(anElement->GetType());
      }
    }
  }

  return res;
}