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Merge branch 'V9_7_BR'
[modules/smesh.git] / src / DriverMED / DriverMED_W_SMESHDS_Mesh.cxx
index 75ebf667aef77b4fd8a0999a6abb512c48e3385a..4581568136b65b1b39964c5c897a3ac7f484cfef 100644 (file)
@@ -1,4 +1,4 @@
-// Copyright (C) 2007-2016  CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2007-2021  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
 #include "MED_Factory.hxx"
 #include "MED_Utilities.hxx"
 #include "SMDS_IteratorOnIterators.hxx"
-#include "SMDS_MeshElement.hxx"
 #include "SMDS_MeshNode.hxx"
-#include "SMDS_PolyhedralVolumeOfNodes.hxx"
 #include "SMDS_SetIterator.hxx"
 #include "SMESHDS_Mesh.hxx"
+#include "MED_Common.hxx"
+#include "MED_TFile.hxx"
+
+#include <med.h>
 
 #include <BRep_Tool.hxx>
 #include <TopExp_Explorer.hxx>
@@ -52,7 +54,6 @@ using namespace MED;
 
 
 DriverMED_W_SMESHDS_Mesh::DriverMED_W_SMESHDS_Mesh():
-  myMedVersion(MED::eV2_2),
   myAllSubMeshes (false),
   myDoGroupOfNodes (false),
   myDoGroupOfEdges (false),
@@ -62,19 +63,14 @@ DriverMED_W_SMESHDS_Mesh::DriverMED_W_SMESHDS_Mesh():
   myDoGroupOfBalls(false),
   myAutoDimension(false),
   myAddODOnVertices(false),
-  myDoAllInGroups(false)
+  myDoAllInGroups(false),
+  myVersion(-1),
+  myZTolerance(-1.)
 {}
 
-void DriverMED_W_SMESHDS_Mesh::SetFile(const std::string& theFileName, 
-                                       MED::EVersion      theId)
-{
-  Driver_SMESHDS_Mesh::SetFile(theFileName);
-  myMedVersion = theId;
-  //MESSAGE("myMedVersion:"<<myMedVersion);
-}
-
-void DriverMED_W_SMESHDS_Mesh::SetFile(const std::string& theFileName)
+void DriverMED_W_SMESHDS_Mesh::SetFile(const std::string& theFileName, int theVersion)
 {
+  myVersion = theVersion;
   Driver_SMESHDS_Mesh::SetFile(theFileName);
 }
 
@@ -82,30 +78,21 @@ void DriverMED_W_SMESHDS_Mesh::SetFile(const std::string& theFileName)
  * MED version is either the latest available, or with an inferior minor,
  * to ensure backward compatibility on writing med files.
  */
-string DriverMED_W_SMESHDS_Mesh::GetVersionString(const MED::EVersion theVersion, int theNbDigits)
+string DriverMED_W_SMESHDS_Mesh::GetVersionString(int theMinor, int theNbDigits)
 {
   TInt majeur, mineur, release;
-  majeur =  mineur = release = 0;
-  MED::GetVersionRelease<eV2_2>(majeur, mineur, release);
+  majeur=MED_MAJOR_NUM;
+  mineur=MED_MINOR_NUM;
+  release=MED_RELEASE_NUM;
   TInt imposedMineur = mineur;
-  switch( theVersion ) {
-    case MED::eV2_1     :
-    case MED::eV2_2     :
-    case MED::eLATEST   : break;
-    case MED::eMINOR_0  : imposedMineur = 0; break;
-    case MED::eMINOR_1  : imposedMineur = 1; break;
-    case MED::eMINOR_2  : imposedMineur = 2; break;
-    case MED::eMINOR_3  : imposedMineur = 3; break;
-    case MED::eMINOR_4  : imposedMineur = 4; break;
-    case MED::eMINOR_5  : imposedMineur = 5; break;
-    case MED::eMINOR_6  : imposedMineur = 6; break;
-    case MED::eMINOR_7  : imposedMineur = 7; break;
-    case MED::eMINOR_8  : imposedMineur = 8; break;
-    case MED::eMINOR_9  : imposedMineur = 9; break;
-    case MED::eVUnknown : imposedMineur = mineur; break;
-  }
-  if (imposedMineur > mineur)
+
+  if (theMinor < 0)
+    imposedMineur = mineur;
+  else if (theMinor > MED_MINOR_NUM)
     imposedMineur = mineur;
+  else
+    imposedMineur = theMinor;
+
   ostringstream name;
   if ( theNbDigits > 0 )
     name << majeur;
@@ -126,7 +113,7 @@ void DriverMED_W_SMESHDS_Mesh::AddAllSubMeshes()
   myAllSubMeshes = true;
 }
 
-void DriverMED_W_SMESHDS_Mesh::AddSubMesh(SMESHDS_SubMesh* theSubMesh, int theID)
+void DriverMED_W_SMESHDS_Mesh::AddSubMesh(SMESHDS_SubMesh* theSubMesh, int /*theID*/)
 {
   mySubMeshes.push_back( theSubMesh );
 }
@@ -260,7 +247,7 @@ namespace
     const SMDS_MeshNode* GetNode(){
       return myCurrentNode;
     }
-    MED::TIntVector::value_type GetID(){
+    MED::TIDVector::value_type GetID(){
       return myCurrentNode->GetID();
     }
     MED::TFloatVector::value_type GetCoord(TInt theCoodId){
@@ -359,14 +346,49 @@ namespace
 
 Driver_Mesh::Status DriverMED_W_SMESHDS_Mesh::Perform()
 {
-  Status aResult = DRS_OK;
-  if (myMesh->hasConstructionEdges() || myMesh->hasConstructionFaces()) {
-    INFOS("SMDS_MESH with hasConstructionEdges() or hasConstructionFaces() do not supports!!!");
-    return DRS_FAIL;
+  MED::PWrapper myMed = CrWrapperW(myFile, myVersion);
+  return this->PerformInternal<MED::PWrapper>(myMed);
+}
+
+Driver_Mesh::Status DriverMED_W_SMESHDS_Mesh_Mem::Perform()
+{
+  void *ptr(nullptr);
+  std::size_t sz(0);
+  Driver_Mesh::Status status = Driver_Mesh::DRS_OK;
+  bool isClosed(false);
+  TMemFile *tfileInst = nullptr;
+  {// let braces to flush (call of MED::PWrapper myMed destructor)
+    tfileInst = new TMemFile(&isClosed);
+    MED::PWrapper myMed = CrWrapperW(myFile, -1, tfileInst);
+    status = this->PerformInternal<MED::PWrapper>(myMed);
+  }
+  if(tfileInst)
+  {
+    ptr = tfileInst->getData(); sz = tfileInst->getSize();
   }
+  _data = MEDCoupling::DataArrayByte::New();
+  _data->useArray(reinterpret_cast<char *>(ptr),true,MEDCoupling::DeallocType::C_DEALLOC,sz,1);
+  if(!isClosed)
+    THROW_SALOME_EXCEPTION("DriverMED_W_SMESHDS_Mesh_Mem::Perform - MED memory file id is supposed to be closed !");
+  return status;
+}
+
+//================================================================================
+/*!
+ * \brief Write my mesh
+ */
+//================================================================================
+
+template<class LowLevelWriter>
+Driver_Mesh::Status DriverMED_W_SMESHDS_Mesh::PerformInternal(LowLevelWriter myMed)
+{
+  Status aResult = DRS_OK;
   try {
     //MESSAGE("Perform - myFile : "<<myFile);
 
+    if ( Driver_Mesh::IsMeshTooLarge< TInt >( myMesh, /*checkIDs =*/ true ))
+      return DRS_TOO_LARGE_MESH;
+
     // Creating the MED mesh for corresponding SMDS structure
     //-------------------------------------------------------
     string aMeshName;
@@ -397,7 +419,7 @@ Driver_Mesh::Status DriverMED_W_SMESHDS_Mesh::Perform()
       if ( myAutoDimension && aMeshDimension < 3 )
       {
         SMDS_NodeIteratorPtr aNodesIter = myMesh->nodesIterator();
-        double aBounds[6];
+        double aBounds[6] = {0.,0.,0.,0.,0.,0.};
         if(aNodesIter->more()){
           const SMDS_MeshNode* aNode = aNodesIter->next();
           aBounds[0] = aBounds[1] = aNode->X();
@@ -408,7 +430,7 @@ Driver_Mesh::Status DriverMED_W_SMESHDS_Mesh::Perform()
           const SMDS_MeshNode* aNode = aNodesIter->next();
           aBounds[0] = min(aBounds[0],aNode->X());
           aBounds[1] = max(aBounds[1],aNode->X());
-          
+
           aBounds[2] = min(aBounds[2],aNode->Y());
           aBounds[3] = max(aBounds[3],aNode->Y());
 
@@ -437,6 +459,8 @@ Driver_Mesh::Status DriverMED_W_SMESHDS_Mesh::Perform()
         anIsXDimension = (aBounds[1] - aBounds[0]) + abs(aBounds[1]) + abs(aBounds[0]) > EPS;
         anIsYDimension = (aBounds[3] - aBounds[2]) + abs(aBounds[3]) + abs(aBounds[2]) > EPS;
         anIsZDimension = (aBounds[5] - aBounds[4]) + abs(aBounds[5]) + abs(aBounds[4]) > EPS;
+        if ( myZTolerance > 0 && anIsZDimension )
+          anIsZDimension = (aBounds[5] > myZTolerance || aBounds[4] < -myZTolerance );
         aSpaceDimension = Max( aMeshDimension, anIsXDimension + anIsYDimension + anIsZDimension );
         if ( !aSpaceDimension )
           aSpaceDimension = 3;
@@ -454,7 +478,7 @@ Driver_Mesh::Status DriverMED_W_SMESHDS_Mesh::Perform()
         }
       }
 
-      SMDS_NodeIteratorPtr aNodesIter = myMesh->nodesIterator(/*idInceasingOrder=*/true);
+      SMDS_NodeIteratorPtr aNodesIter = myMesh->nodesIterator();
       switch ( aSpaceDimension ) {
       case 3:
         aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aXYZGetCoord,aXYZName));
@@ -477,8 +501,7 @@ Driver_Mesh::Status DriverMED_W_SMESHDS_Mesh::Perform()
         break;
       }
     }
-    //MESSAGE("myMedVersion:"<<myMedVersion);
-    MED::PWrapper myMed = CrWrapper(myFile,myMedVersion);
+
     PMeshInfo aMeshInfo = myMed->CrMeshInfo(aMeshDimension,aSpaceDimension,aMeshName);
     //MESSAGE("Add - aMeshName : "<<aMeshName<<"; "<<aMeshInfo->GetName());
     myMed->SetMeshInfo(aMeshInfo);
@@ -491,12 +514,12 @@ Driver_Mesh::Status DriverMED_W_SMESHDS_Mesh::Perform()
     int myEdgesDefaultFamilyId      = 0;
     int myFacesDefaultFamilyId      = 0;
     int myVolumesDefaultFamilyId    = 0;
-    int nbNodes      = myMesh->NbNodes();
-    int nb0DElements = myMesh->Nb0DElements();
-    int nbBalls      = myMesh->NbBalls();
-    int nbEdges      = myMesh->NbEdges();
-    int nbFaces      = myMesh->NbFaces();
-    int nbVolumes    = myMesh->NbVolumes();
+    smIdType nbNodes      = myMesh->NbNodes();
+    smIdType nb0DElements = myMesh->Nb0DElements();
+    smIdType nbBalls      = myMesh->NbBalls();
+    smIdType nbEdges      = myMesh->NbEdges();
+    smIdType nbFaces      = myMesh->NbFaces();
+    smIdType nbVolumes    = myMesh->NbVolumes();
     if (myDoGroupOfNodes)   myNodesDefaultFamilyId      = REST_NODES_FAMILY;
     if (myDoGroupOfEdges)   myEdgesDefaultFamilyId      = REST_EDGES_FAMILY;
     if (myDoGroupOfFaces)   myFacesDefaultFamilyId      = REST_FACES_FAMILY;
@@ -539,7 +562,7 @@ Driver_Mesh::Status DriverMED_W_SMESHDS_Mesh::Perform()
     list<DriverMED_FamilyPtr>::iterator aFamsIter;
     for (aFamsIter = aFamilies.begin(); aFamsIter != aFamilies.end(); aFamsIter++)
     {
-      PFamilyInfo aFamilyInfo = (*aFamsIter)->GetFamilyInfo(myMed,aMeshInfo);
+      PFamilyInfo aFamilyInfo = (*aFamsIter)->GetFamilyInfo<LowLevelWriter>(myMed,aMeshInfo);
       myMed->SetFamilyInfo(aFamilyInfo);
     }
 
@@ -555,7 +578,7 @@ Driver_Mesh::Status DriverMED_W_SMESHDS_Mesh::Perform()
     const EBooleen      theIsElemNames = eFAUX;
     const EConnectivite theConnMode    = eNOD;
 
-    TInt aNbNodes = myMesh->NbNodes();
+    TInt aNbNodes = FromSmIdType<TInt>( myMesh->NbNodes() );
     PNodeInfo aNodeInfo = myMed->CrNodeInfo(aMeshInfo, aNbNodes,
                                             theMode, theSystem, theIsElemNum, theIsElemNames);
 
@@ -570,8 +593,12 @@ Driver_Mesh::Status DriverMED_W_SMESHDS_Mesh::Perform()
       for(TInt iCoord = 0; iCoord < aSpaceDimension; iCoord++){
         aTCoordSlice[iCoord] = aCoordHelperPtr->GetCoord(iCoord);
       }
+      if ( aSpaceDimension == 3 &&
+           -myZTolerance < aTCoordSlice[2] && aTCoordSlice[2] < myZTolerance )
+        aTCoordSlice[2] = 0.;
+
       // node number
-      int aNodeID = aCoordHelperPtr->GetID();
+      TInt aNodeID = FromSmIdType<TInt>( aCoordHelperPtr->GetID() );
       aNodeInfo->SetElemNum( iNode, aNodeID );
 #ifdef _EDF_NODE_IDS_
       aNodeIdMap.insert( aNodeIdMap.end(), make_pair( aNodeID, iNode+1 ));
@@ -637,66 +664,66 @@ Driver_Mesh::Status DriverMED_W_SMESHDS_Mesh::Perform()
 #endif
     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
                                              eBALL,
-                                             nbElemInfo.NbBalls(),
+                                             FromSmIdType<TInt>(nbElemInfo.NbBalls()),
                                              SMDSAbs_Ball));
 #ifdef _ELEMENTS_BY_DIM_
     anEntity = eARETE;
 #endif
     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
                                              eSEG2,
-                                             nbElemInfo.NbEdges( ORDER_LINEAR ),
+                                             FromSmIdType<TInt>(nbElemInfo.NbEdges( ORDER_LINEAR )),
                                              SMDSAbs_Edge));
     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
                                              eSEG3,
-                                             nbElemInfo.NbEdges( ORDER_QUADRATIC ),
+                                             FromSmIdType<TInt>(nbElemInfo.NbEdges( ORDER_QUADRATIC )),
                                              SMDSAbs_Edge));
 #ifdef _ELEMENTS_BY_DIM_
     anEntity = eFACE;
 #endif
     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
                                              eTRIA3,
-                                             nbElemInfo.NbTriangles( ORDER_LINEAR ),
+                                             FromSmIdType<TInt>(nbElemInfo.NbTriangles( ORDER_LINEAR )),
                                              SMDSAbs_Face));
     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
                                              eTRIA6,
-                                             nbElemInfo.NbTriangles( ORDER_QUADRATIC ) -
-                                             nbElemInfo.NbBiQuadTriangles(),
+                                             FromSmIdType<TInt>(nbElemInfo.NbTriangles( ORDER_QUADRATIC ) -
+                                             nbElemInfo.NbBiQuadTriangles()),
                                              SMDSAbs_Face));
     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
                                              eTRIA7,
-                                             nbElemInfo.NbBiQuadTriangles(),
+                                             FromSmIdType<TInt>(nbElemInfo.NbBiQuadTriangles()),
                                              SMDSAbs_Face));
     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
                                              eQUAD4,
-                                             nbElemInfo.NbQuadrangles( ORDER_LINEAR ),
+                                             FromSmIdType<TInt>(nbElemInfo.NbQuadrangles( ORDER_LINEAR )),
                                              SMDSAbs_Face));
     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
                                              eQUAD8,
-                                             nbElemInfo.NbQuadrangles( ORDER_QUADRATIC ) -
-                                             nbElemInfo.NbBiQuadQuadrangles(),
+                                             FromSmIdType<TInt>(nbElemInfo.NbQuadrangles( ORDER_QUADRATIC ) -
+                                             nbElemInfo.NbBiQuadQuadrangles()),
                                              SMDSAbs_Face));
     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
                                              eQUAD9,
-                                             nbElemInfo.NbBiQuadQuadrangles(),
+                                             FromSmIdType<TInt>(nbElemInfo.NbBiQuadQuadrangles()),
                                              SMDSAbs_Face));
     if ( polyTypesSupported ) {
       aTElemTypeDatas.push_back( TElemTypeData(anEntity,
                                                ePOLYGONE,
-                                               nbElemInfo.NbPolygons( ORDER_LINEAR ),
+                                               FromSmIdType<TInt>(nbElemInfo.NbPolygons( ORDER_LINEAR )),
                                                SMDSAbs_Face));
       // we need one more loop on poly elements to count nb of their nodes
       aTElemTypeDatas.push_back( TElemTypeData(anEntity,
                                                ePOLYGONE,
-                                               nbElemInfo.NbPolygons( ORDER_LINEAR ),
+                                               FromSmIdType<TInt>(nbElemInfo.NbPolygons( ORDER_LINEAR )),
                                                SMDSAbs_Face));
       aTElemTypeDatas.push_back( TElemTypeData(anEntity,
                                                ePOLYGON2,
-                                               nbElemInfo.NbPolygons( ORDER_QUADRATIC ),
+                                               FromSmIdType<TInt>(nbElemInfo.NbPolygons( ORDER_QUADRATIC )),
                                                SMDSAbs_Face));
       // we need one more loop on QUAD poly elements to count nb of their nodes
       aTElemTypeDatas.push_back( TElemTypeData(anEntity,
                                                ePOLYGON2,
-                                               nbElemInfo.NbPolygons( ORDER_QUADRATIC ),
+                                               FromSmIdType<TInt>(nbElemInfo.NbPolygons( ORDER_QUADRATIC )),
                                                SMDSAbs_Face));
     }
 #ifdef _ELEMENTS_BY_DIM_
@@ -704,58 +731,58 @@ Driver_Mesh::Status DriverMED_W_SMESHDS_Mesh::Perform()
 #endif
     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
                                              eTETRA4,
-                                             nbElemInfo.NbTetras( ORDER_LINEAR ),
+                                             FromSmIdType<TInt>(nbElemInfo.NbTetras( ORDER_LINEAR )),
                                              SMDSAbs_Volume));
     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
                                              eTETRA10,
-                                             nbElemInfo.NbTetras( ORDER_QUADRATIC ),
+                                             FromSmIdType<TInt>(nbElemInfo.NbTetras( ORDER_QUADRATIC )),
                                              SMDSAbs_Volume));
     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
                                              ePYRA5,
-                                             nbElemInfo.NbPyramids( ORDER_LINEAR ),
+                                             FromSmIdType<TInt>(nbElemInfo.NbPyramids( ORDER_LINEAR )),
                                              SMDSAbs_Volume));
     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
                                              ePYRA13,
-                                             nbElemInfo.NbPyramids( ORDER_QUADRATIC ),
+                                             FromSmIdType<TInt>(nbElemInfo.NbPyramids( ORDER_QUADRATIC )),
                                              SMDSAbs_Volume));
     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
                                              ePENTA6,
-                                             nbElemInfo.NbPrisms( ORDER_LINEAR ),
+                                             FromSmIdType<TInt>(nbElemInfo.NbPrisms( ORDER_LINEAR )),
                                              SMDSAbs_Volume));
     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
                                              ePENTA15,
-                                             nbElemInfo.NbQuadPrisms(),
+                                             FromSmIdType<TInt>(nbElemInfo.NbQuadPrisms()),
                                              SMDSAbs_Volume));
     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
                                              ePENTA18,
-                                             nbElemInfo.NbBiQuadPrisms(),
+                                             FromSmIdType<TInt>(nbElemInfo.NbBiQuadPrisms()),
                                              SMDSAbs_Volume));
     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
                                              eHEXA8,
-                                             nbElemInfo.NbHexas( ORDER_LINEAR ),
+                                             FromSmIdType<TInt>(nbElemInfo.NbHexas( ORDER_LINEAR )),
                                              SMDSAbs_Volume));
     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
                                              eHEXA20,
-                                             nbElemInfo.NbHexas( ORDER_QUADRATIC )-
-                                             nbElemInfo.NbTriQuadHexas(),
+                                             FromSmIdType<TInt>(nbElemInfo.NbHexas( ORDER_QUADRATIC )-
+                                             nbElemInfo.NbTriQuadHexas()),
                                              SMDSAbs_Volume));
     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
                                              eHEXA27,
-                                             nbElemInfo.NbTriQuadHexas(),
+                                             FromSmIdType<TInt>(nbElemInfo.NbTriQuadHexas()),
                                              SMDSAbs_Volume));
     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
                                              eOCTA12,
-                                             nbElemInfo.NbHexPrisms(),
+                                             FromSmIdType<TInt>(nbElemInfo.NbHexPrisms()),
                                              SMDSAbs_Volume));
     if ( polyTypesSupported ) {
       aTElemTypeDatas.push_back( TElemTypeData(anEntity,
                                                ePOLYEDRE,
-                                               nbElemInfo.NbPolyhedrons(),
+                                               FromSmIdType<TInt>(nbElemInfo.NbPolyhedrons()),
                                                SMDSAbs_Volume));
       // we need one more loop on poly elements to count nb of their nodes
       aTElemTypeDatas.push_back( TElemTypeData(anEntity,
                                                ePOLYEDRE,
-                                               nbElemInfo.NbPolyhedrons(),
+                                               FromSmIdType<TInt>(nbElemInfo.NbPolyhedrons()),
                                                SMDSAbs_Volume));
     }
 
@@ -789,7 +816,7 @@ Driver_Mesh::Status DriverMED_W_SMESHDS_Mesh::Perform()
 
       // iterator on elements of a current type
       SMDS_ElemIteratorPtr elemIterator;
-      int iElem = 0;
+      TInt iElem = 0;
 
       // Treat POLYGONs
       // ---------------
@@ -834,13 +861,13 @@ Driver_Mesh::Status DriverMED_W_SMESHDS_Mesh::Perform()
             for(TInt iNode = 0; iNode < aNbNodes; iNode++) {
               const SMDS_MeshElement* aNode = anElem->GetNode( iNode );
 #ifdef _EDF_NODE_IDS_
-              aTConnSlice[ iNode ] = aNodeIdMap[aNode->GetID()];
+              aTConnSlice[ iNode ] = aNodeIdMap[FromSmIdType<TInt>(aNode->GetID())];
 #else
               aTConnSlice[ iNode ] = aNode->GetID();
 #endif
             }
             // element number
-            aPolygoneInfo->SetElemNum( iElem, anElem->GetID() );
+            aPolygoneInfo->SetElemNum( iElem, FromSmIdType<TInt>(anElem->GetID()) );
 
             // family number
             int famNum = getFamilyId( anElemFamMap, anElem, defaultFamilyId );
@@ -857,7 +884,7 @@ Driver_Mesh::Status DriverMED_W_SMESHDS_Mesh::Perform()
 
       // Treat POLYEDREs
       // ----------------
-      else if (aElemTypeData->_geomType == ePOLYEDRE )
+      else if ( aElemTypeData->_geomType == ePOLYEDRE )
       {
         elemIterator = myMesh->elementGeomIterator( SMDSGeom_POLYHEDRA );
 
@@ -865,10 +892,8 @@ Driver_Mesh::Status DriverMED_W_SMESHDS_Mesh::Perform()
           // Count nb of nodes
           while ( elemIterator->more() ) {
             const SMDS_MeshElement*  anElem = elemIterator->next();
-            const SMDS_VtkVolume *aPolyedre = dynamic_cast<const SMDS_VtkVolume*>(anElem);
-            if ( !aPolyedre ) continue;
-            nbPolyhedronNodes += aPolyedre->NbNodes();
-            nbPolyhedronFaces += aPolyedre->NbFaces();
+            nbPolyhedronNodes += anElem->NbNodes();
+            nbPolyhedronFaces += anElem->NbFaces();
             if ( ++iElem == aElemTypeData->_nbElems )
               break;
           }
@@ -893,8 +918,8 @@ Driver_Mesh::Status DriverMED_W_SMESHDS_Mesh::Perform()
           TInt iFace = 0, iNode = 0;
           while ( elemIterator->more() )
           {
-            const SMDS_MeshElement*  anElem = elemIterator->next();
-            const SMDS_VtkVolume *aPolyedre = dynamic_cast<const SMDS_VtkVolume*>(anElem);
+            const SMDS_MeshElement* anElem = elemIterator->next();
+            const SMDS_MeshVolume *aPolyedre = myMesh->DownCast< SMDS_MeshVolume >( anElem );
             if ( !aPolyedre ) continue;
             // index
             TInt aNbFaces = aPolyedre->NbFaces();
@@ -910,14 +935,14 @@ Driver_Mesh::Status DriverMED_W_SMESHDS_Mesh::Perform()
             while ( nodeIt->more() ) {
               const SMDS_MeshElement* aNode = nodeIt->next();
 #ifdef _EDF_NODE_IDS_
-              conn[ iNode ] = aNodeIdMap[aNode->GetID()];
+              conn[ iNode ] = aNodeIdMap[FromSmIdType<TInt>(aNode->GetID())];
 #else
               conn[ iNode ] = aNode->GetID();
 #endif
               ++iNode;
             }
             // element number
-            aPolyhInfo->SetElemNum( iElem, anElem->GetID() );
+            aPolyhInfo->SetElemNum( iElem, FromSmIdType<TInt>(anElem->GetID()) );
 
             // family number
             int famNum = getFamilyId( anElemFamMap, anElem, defaultFamilyId );
@@ -944,12 +969,12 @@ Driver_Mesh::Status DriverMED_W_SMESHDS_Mesh::Perform()
           // connectivity
           const SMDS_MeshElement* aNode = anElem->GetNode( 0 );
 #ifdef _EDF_NODE_IDS_
-          (*aBallInfo->myConn)[ iElem ] = aNodeIdMap[aNode->GetID()];
+          (*aBallInfo->myConn)[ iElem ] = aNodeIdMap[FromSmIdType<TInt>(aNode->GetID())];
 #else
           (*aBallInfo->myConn)[ iElem ] = aNode->GetID();
 #endif
           // element number
-          aBallInfo->SetElemNum( iElem, anElem->GetID() );
+          aBallInfo->SetElemNum( iElem, FromSmIdType<TInt>(anElem->GetID()) );
 
           // diameter
           aBallInfo->myDiameters[ iElem ] =
@@ -992,13 +1017,13 @@ Driver_Mesh::Status DriverMED_W_SMESHDS_Mesh::Perform()
           for (TInt iNode = 0; iNode < aNbNodes; iNode++) {
             const SMDS_MeshElement* aNode = anElem->GetNode( iNode );
 #ifdef _EDF_NODE_IDS_
-            aTConnSlice[ iNode ] = aNodeIdMap[aNode->GetID()];
+            aTConnSlice[ iNode ] = aNodeIdMap[FromSmIdType<TInt>(aNode->GetID())];
 #else
             aTConnSlice[ iNode ] = aNode->GetID();
 #endif
           }
           // element number
-          aCellInfo->SetElemNum( iElem, anElem->GetID() );
+          aCellInfo->SetElemNum( iElem, FromSmIdType<TInt>(anElem->GetID()) );
 
           // family number
           int famNum = getFamilyId( anElemFamMap, anElem, defaultFamilyId );