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0021149: [CEA 445] Wrong mesh dimension
[modules/smesh.git] / src / DriverMED / DriverMED_W_SMESHDS_Mesh.cxx
index edd5418c4cb574a0b54a2924ad12c5b636e920d2..376d108653228fc6da3242b2cb1cc8de9ff9fd34 100644 (file)
@@ -1,29 +1,28 @@
-//  SMESH DriverMED : driver to read and write 'med' files
+//  Copyright (C) 2007-2008  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.
 //
-//  Copyright (C) 2003  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. 
-// 
-//  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.opencascade.org/SALOME/ or email : webmaster.salome@opencascade.org 
+//  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_W_SMESHDS_Mesh.cxx
 //  Module : SMESH
-
+//
 #include <sstream>
 
 #include "DriverMED_W_SMESHDS_Mesh.h"
@@ -33,6 +32,8 @@
 #include "SMESHDS_Mesh.hxx"
 #include "SMDS_MeshElement.hxx"
 #include "SMDS_MeshNode.hxx"
+#include "SMDS_PolyhedralVolumeOfNodes.hxx"
+
 #include "utilities.h"
 
 #include "MED_Utilities.hxx"
@@ -53,7 +54,7 @@ DriverMED_W_SMESHDS_Mesh::DriverMED_W_SMESHDS_Mesh():
 {}
 
 void DriverMED_W_SMESHDS_Mesh::SetFile(const std::string& theFileName, 
-                                      MED::EVersion theId)
+                                       MED::EVersion theId)
 {
   myMed = CrWrapper(theFileName,theId);
   Driver_SMESHDS_Mesh::SetFile(theFileName);
@@ -61,7 +62,25 @@ void DriverMED_W_SMESHDS_Mesh::SetFile(const std::string& theFileName,
 
 void DriverMED_W_SMESHDS_Mesh::SetFile(const std::string& theFileName)
 {
-  return SetFile(theFileName,MED::eV2_1);
+  return SetFile(theFileName,MED::eV2_2);
+}
+
+string DriverMED_W_SMESHDS_Mesh::GetVersionString(const MED::EVersion theVersion, int theNbDigits)
+{
+  TInt majeur, mineur, release;
+  majeur =  mineur = release = 0;
+  if ( theVersion == eV2_1 )
+    MED::GetVersionRelease<eV2_1>(majeur, mineur, release);
+  else
+    MED::GetVersionRelease<eV2_2>(majeur, mineur, release);
+  ostringstream name;
+  if ( theNbDigits > 0 )
+    name << majeur;
+  if ( theNbDigits > 1 )
+    name << "." << mineur;
+  if ( theNbDigits > 2 )
+    name << "." << release;
+  return name.str();
 }
 
 void DriverMED_W_SMESHDS_Mesh::SetMeshName(const std::string& theMeshName)
@@ -108,50 +127,58 @@ namespace{
   typedef double (SMDS_MeshNode::* TGetCoord)() const;
   typedef const char* TName;
   typedef const char* TUnit;
-  
-  TUnit aUnit[3] = {"m","m","m"};
 
+  // name length in a mesh must be equal to 16 :
+  //         1234567890123456
+  TName M = "m               ";
+  TName X = "x               ";
+  TName Y = "y               ";
+  TName Z = "z               ";
+
+  TUnit aUnit[3] = {M,M,M};
+
+  // 3 dim
   TGetCoord aXYZGetCoord[3] = {
     &SMDS_MeshNode::X, 
     &SMDS_MeshNode::Y, 
     &SMDS_MeshNode::Z
   };
-  TName aXYZName[3] = {"x","y","z"};
-  
+  TName aXYZName[3] = {X,Y,Z};
   
+  // 2 dim
   TGetCoord aXYGetCoord[2] = {
     &SMDS_MeshNode::X, 
     &SMDS_MeshNode::Y
   };
-  TName aXYName[2] = {"x","y"};
+  TName aXYName[2] = {X,Y};
 
   TGetCoord aYZGetCoord[2] = {
     &SMDS_MeshNode::Y, 
     &SMDS_MeshNode::Z
   };
-  TName aYZName[2] = {"y","z"};
+  TName aYZName[2] = {Y,Z};
 
   TGetCoord aXZGetCoord[2] = {
     &SMDS_MeshNode::X, 
     &SMDS_MeshNode::Z
   };
-  TName aXZName[2] = {"x","z"};
-
+  TName aXZName[2] = {X,Z};
 
+  // 1 dim
   TGetCoord aXGetCoord[1] = {
     &SMDS_MeshNode::X
   };
-  TName aXName[1] = {"x"};
+  TName aXName[1] = {X};
 
   TGetCoord aYGetCoord[1] = {
     &SMDS_MeshNode::Y
   };
-  TName aYName[1] = {"y"};
+  TName aYName[1] = {Y};
 
   TGetCoord aZGetCoord[1] = {
     &SMDS_MeshNode::Z
   };
-  TName aZName[1] = {"z"};
+  TName aZName[1] = {Z};
 
 
   class TCoordHelper{
@@ -162,9 +189,9 @@ namespace{
     TUnit* myUnit;
   public:
     TCoordHelper(const SMDS_NodeIteratorPtr& theNodeIter,
-                TGetCoord* theGetCoord,
-                TName* theName,
-                TUnit* theUnit = aUnit):
+                 TGetCoord* theGetCoord,
+                 TName* theName,
+                 TUnit* theUnit = aUnit):
       myNodeIter(theNodeIter),
       myGetCoord(theGetCoord),
       myName(theName),
@@ -173,7 +200,7 @@ namespace{
     virtual ~TCoordHelper(){}
     bool Next(){ 
       return myNodeIter->more() && 
-       (myCurrentNode = myNodeIter->next());
+        (myCurrentNode = myNodeIter->next());
     }
     const SMDS_MeshNode* GetNode(){
       return myCurrentNode;
@@ -192,10 +219,110 @@ namespace{
     }
   };
   typedef boost::shared_ptr<TCoordHelper> TCoordHelperPtr;
-  
+
+
+  //-------------------------------------------------------
+  /*!
+   * \brief Class helping to use either SMDS_0DElementIterator,
+   * SMDS_EdgeIterator, SMDS_FaceIterator or SMDS_VolumeIterator
+   * in the same code
+   */
+  //-------------------------------------------------------
+  struct TElemIterator
+  {
+    virtual const SMDS_MeshElement* next() = 0;
+    virtual ~TElemIterator() {}
+  };
+  typedef boost::shared_ptr<TElemIterator> PElemIterator;
+
+  template< class SMDSIteratorPtr > class TypedElemIterator: public TElemIterator
+  {
+    SMDSIteratorPtr myItPtr;
+  public:
+    TypedElemIterator(SMDSIteratorPtr it): myItPtr(it) {}
+    virtual const SMDS_MeshElement* next() {
+      if ( myItPtr->more() ) return myItPtr->next();
+      else                   return 0;
+    }
+  };
+  typedef TypedElemIterator< SMDS_0DElementIteratorPtr > T0DElementIterator;
+  typedef TypedElemIterator< SMDS_EdgeIteratorPtr > TEdgeIterator;
+  typedef TypedElemIterator< SMDS_FaceIteratorPtr > TFaceIterator;
+  typedef TypedElemIterator< SMDS_VolumeIteratorPtr > TVolumeIterator;
+
+  //-------------------------------------------------------
+  /*!
+   * \brief Structure describing element type
+   */
+  //-------------------------------------------------------
+  struct TElemTypeData
+  {
+    EEntiteMaillage     _entity;
+    EGeometrieElement   _geomType;
+    TInt                _nbElems;
+    SMDSAbs_ElementType _smdsType;
+
+    TElemTypeData (EEntiteMaillage entity, EGeometrieElement geom, TInt nb, SMDSAbs_ElementType type)
+      : _entity(entity), _geomType(geom), _nbElems( nb ), _smdsType( type ) {}
+  };
+
+
+  typedef NCollection_DataMap< Standard_Address, int > TElemFamilyMap;
+  //typedef map<const SMDS_MeshElement *, int> TElemFamilyMap;
+
+  //================================================================================
+  /*!
+   * \brief Fills element to famaly ID map for element type.
+   * Removes all families of anElemType
+   */
+  //================================================================================
+
+  void fillElemFamilyMap( TElemFamilyMap &            anElemFamMap,
+                          list<DriverMED_FamilyPtr> & aFamilies,
+                          const SMDSAbs_ElementType   anElemType)
+  {
+    anElemFamMap.Clear();
+    //anElemFamMap.clear();
+    list<DriverMED_FamilyPtr>::iterator aFamsIter = aFamilies.begin();
+    while ( aFamsIter != aFamilies.end() )
+    {
+      if ((*aFamsIter)->GetType() != anElemType) {
+        aFamsIter++;
+      }
+      else {
+        int aFamId = (*aFamsIter)->GetId();
+        const set<const SMDS_MeshElement *>& anElems = (*aFamsIter)->GetElements();
+        set<const SMDS_MeshElement *>::const_iterator anElemsIter = anElems.begin();
+        for (; anElemsIter != anElems.end(); anElemsIter++)
+        {
+          anElemFamMap.Bind( (Standard_Address)*anElemsIter, aFamId );
+          //anElemFamMap[*anElemsIter] = aFamId;
+        }
+        // remove a family from the list
+        aFamilies.erase( aFamsIter++ );
+      }
+    }
+  }
+
+  //================================================================================
+  /*!
+   * \brief For an element, return family ID found in the map or a default one
+   */
+  //================================================================================
+
+  int getFamilyId( const TElemFamilyMap &  anElemFamMap,
+                   const SMDS_MeshElement* anElement,
+                   const int               aDefaultFamilyId)
+  {
+    if ( anElemFamMap.IsBound( (Standard_Address) anElement ))
+      return anElemFamMap( (Standard_Address) anElement );
+//     TElemFamilyMap::iterator elem_famNum = anElemFamMap.find( anElement );
+//     if ( elem_famNum != anElemFamMap.end() )
+//       return elem_famNum->second;
+    return aDefaultFamilyId;
+  }
 }
 
-  
 Driver_Mesh::Status DriverMED_W_SMESHDS_Mesh::Perform()
 {
   Status aResult = DRS_OK;
@@ -203,7 +330,7 @@ Driver_Mesh::Status DriverMED_W_SMESHDS_Mesh::Perform()
     INFOS("SMDS_MESH with hasConstructionEdges() or hasConstructionFaces() do not supports!!!");
     return DRS_FAIL;
   }
-  try{
+  try {
     MESSAGE("Perform - myFile : "<<myFile);
 
     // Creating the MED mesh for corresponding SMDS structure
@@ -217,114 +344,135 @@ Driver_Mesh::Status DriverMED_W_SMESHDS_Mesh::Perform()
       aMeshName = myMeshName;
     }
 
-    // Mesh dimension definition
-    TInt aMeshDimension;
+    // Space dimension definition
+    TInt aSpaceDim;
     TCoordHelperPtr aCoordHelperPtr;
     {  
       bool anIsXDimension = false;
       bool anIsYDimension = false;
       bool anIsZDimension = false;
       {
-       SMDS_NodeIteratorPtr aNodesIter = myMesh->nodesIterator();
-       double aBounds[6];
-       if(aNodesIter->more()){
-         const SMDS_MeshNode* aNode = aNodesIter->next();
-         aBounds[0] = aBounds[1] = aNode->X();
-         aBounds[2] = aBounds[3] = aNode->Y();
-         aBounds[4] = aBounds[5] = aNode->Z();
-       }
-       while(aNodesIter->more()){
-         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());
-         
-         aBounds[4] = min(aBounds[4],aNode->Z());
-         aBounds[5] = max(aBounds[5],aNode->Z());
-       }
-
-       double EPS = 1.0E-7;
-       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;
-       aMeshDimension = anIsXDimension + anIsYDimension + anIsZDimension;
-       if(!aMeshDimension)
-         aMeshDimension = 3;
+        SMDS_NodeIteratorPtr aNodesIter = myMesh->nodesIterator();
+        double aBounds[6];
+        if(aNodesIter->more()){
+          const SMDS_MeshNode* aNode = aNodesIter->next();
+          aBounds[0] = aBounds[1] = aNode->X();
+          aBounds[2] = aBounds[3] = aNode->Y();
+          aBounds[4] = aBounds[5] = aNode->Z();
+        }
+        while(aNodesIter->more()){
+          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());
+          
+          aBounds[4] = min(aBounds[4],aNode->Z());
+          aBounds[5] = max(aBounds[5],aNode->Z());
+        }
+
+        double EPS = 1.0E-7;
+        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;
+        aSpaceDim = anIsXDimension + anIsYDimension + anIsZDimension;
+        if(!aSpaceDim)
+          aSpaceDim = 3;
+        // PAL16857(SMESH not conform to the MED convention):
+        if ( aSpaceDim == 2 && anIsZDimension ) // 2D only if mesh is in XOY plane
+          aSpaceDim = 3;
+        // PAL18941(a saved study with a mesh belong Z is opened and the mesh is belong X)
+        if ( aSpaceDim == 1 && !anIsXDimension ) // 1D only if mesh is along OX
+          if ( anIsYDimension ) {
+            aSpaceDim = 2;
+            anIsXDimension = true;
+          } else {
+            aSpaceDim = 3;
+          }
       }
 
       SMDS_NodeIteratorPtr aNodesIter = myMesh->nodesIterator();
-      switch(aMeshDimension){
+      switch(aSpaceDim){
       case 3:
-       aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aXYZGetCoord,aXYZName));
-       break;
+        aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aXYZGetCoord,aXYZName));
+        break;
       case 2:
-       if(anIsXDimension && anIsYDimension)
-         aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aXYGetCoord,aXYName));
-       if(anIsYDimension && anIsZDimension)
-         aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aYZGetCoord,aYZName));
-       if(anIsXDimension && anIsZDimension)
-         aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aXZGetCoord,aXZName));
-       break;
+        if(anIsXDimension && anIsYDimension)
+          aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aXYGetCoord,aXYName));
+        if(anIsYDimension && anIsZDimension)
+          aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aYZGetCoord,aYZName));
+        if(anIsXDimension && anIsZDimension)
+          aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aXZGetCoord,aXZName));
+        break;
       case 1:
-       if(anIsXDimension)
-         aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aXGetCoord,aXName));
-       if(anIsYDimension)
-         aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aYGetCoord,aYName));
-       if(anIsZDimension)
-         aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aZGetCoord,aZName));
-       break;
+        if(anIsXDimension)
+          aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aXGetCoord,aXName));
+        if(anIsYDimension)
+          aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aYGetCoord,aYName));
+        if(anIsZDimension)
+          aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aZGetCoord,aZName));
+        break;
       }
     }
-
+    TInt aMeshDimension = 0;
+    if ( myMesh->NbEdges() > 0 )
+      aMeshDimension = 1;
+    if ( myMesh->NbFaces() > 0 )
+      aMeshDimension = 2;
+    if ( myMesh->NbVolumes() > 0 )
+      aMeshDimension = 3;
     
-    PMeshInfo aMeshInfo = myMed->CrMeshInfo(aMeshDimension,aMeshName);
+    PMeshInfo aMeshInfo = myMed->CrMeshInfo(aSpaceDim,aMeshName);
+    aMeshInfo->myMeshDim = aMeshDimension;
     MESSAGE("Add - aMeshName : "<<aMeshName<<"; "<<aMeshInfo->GetName());
     myMed->SetMeshInfo(aMeshInfo);
 
-    // Storing SMDS groups and sub-meshes
-    //-----------------------------------
-    int myNodesDefaultFamilyId = 0;
-    int myEdgesDefaultFamilyId = 0;
-    int myFacesDefaultFamilyId = 0;
+    // Storing SMDS groups and sub-meshes as med families
+    //----------------------------------------------------
+    int myNodesDefaultFamilyId   = 0;
+    int my0DElementsDefaultFamilyId = 0;
+    int myEdgesDefaultFamilyId   = 0;
+    int myFacesDefaultFamilyId   = 0;
     int myVolumesDefaultFamilyId = 0;
-    if (myDoGroupOfNodes)
+    int nbNodes   = myMesh->NbNodes();
+    int nb0DElements = myMesh->Nb0DElements();
+    int nbEdges   = myMesh->NbEdges();
+    int nbFaces   = myMesh->NbFaces();
+    int nbVolumes = myMesh->NbVolumes();
+    if (myDoGroupOfNodes && nbNodes)
       myNodesDefaultFamilyId = REST_NODES_FAMILY;
-    if (myDoGroupOfEdges)
+    if (myDoGroupOfEdges && nbEdges)
       myEdgesDefaultFamilyId = REST_EDGES_FAMILY;
-    if (myDoGroupOfFaces)
+    if (myDoGroupOfFaces && nbFaces)
       myFacesDefaultFamilyId = REST_FACES_FAMILY;
-    if (myDoGroupOfVolumes)
+    if (myDoGroupOfVolumes && nbVolumes)
       myVolumesDefaultFamilyId = REST_VOLUMES_FAMILY;
 
     MESSAGE("Perform - aFamilyInfo");
-    map<const SMDS_MeshElement *, int> anElemFamMap;
+    //cout << " DriverMED_Family::MakeFamilies() " << endl;
     list<DriverMED_FamilyPtr> aFamilies;
     if (myAllSubMeshes) {
       aFamilies = DriverMED_Family::MakeFamilies
         (myMesh->SubMeshes(), myGroups,
-         myDoGroupOfNodes, myDoGroupOfEdges, myDoGroupOfFaces, myDoGroupOfVolumes);
+         myDoGroupOfNodes   && nbNodes,
+         myDoGroupOfEdges   && nbEdges,
+         myDoGroupOfFaces   && nbFaces,
+         myDoGroupOfVolumes && nbVolumes);
     } else {
       aFamilies = DriverMED_Family::MakeFamilies
         (mySubMeshes, myGroups,
-         myDoGroupOfNodes, myDoGroupOfEdges, myDoGroupOfFaces, myDoGroupOfVolumes);
+         myDoGroupOfNodes   && nbNodes,
+         myDoGroupOfEdges   && nbEdges,
+         myDoGroupOfFaces   && nbFaces,
+         myDoGroupOfVolumes && nbVolumes);
     }
-    list<DriverMED_FamilyPtr>::iterator aFamsIter = aFamilies.begin();
-
-    for (; aFamsIter != aFamilies.end(); aFamsIter++)
+    //cout << " myMed->SetFamilyInfo() " << endl;
+    list<DriverMED_FamilyPtr>::iterator aFamsIter;
+    for (aFamsIter = aFamilies.begin(); aFamsIter != aFamilies.end(); aFamsIter++)
     {
       PFamilyInfo aFamilyInfo = (*aFamsIter)->GetFamilyInfo(myMed,aMeshInfo);
       myMed->SetFamilyInfo(aFamilyInfo);
-      int aFamId = (*aFamsIter)->GetId();
-
-      const set<const SMDS_MeshElement *>& anElems = (*aFamsIter)->GetElements();
-      set<const SMDS_MeshElement *>::iterator anElemsIter = anElems.begin();
-      for (; anElemsIter != anElems.end(); anElemsIter++)
-      {
-        anElemFamMap[*anElemsIter] = aFamId;
-      }
-//      delete (*aFamsIter);
     }
 
     // Storing SMDS nodes to the MED file for the MED mesh
@@ -333,360 +481,405 @@ Driver_Mesh::Status DriverMED_W_SMESHDS_Mesh::Perform()
     typedef map<TInt,TInt> TNodeIdMap;
     TNodeIdMap aNodeIdMap;
 #endif
-    TInt aNbElems = myMesh->NbNodes();
-    MED::TIntVector anElemNums(aNbElems);
-    MED::TIntVector aFamilyNums(aNbElems);
-    MED::TFloatVector aCoordinates(aNbElems*aMeshDimension);
-    for(TInt iNode = 0, aStartId = 0; aCoordHelperPtr->Next(); iNode++, aStartId += aMeshDimension){
-      for(TInt iCoord = 0; iCoord < aMeshDimension; iCoord++){
-       aCoordinates[aStartId+iCoord] = aCoordHelperPtr->GetCoord(iCoord);
+    const EModeSwitch   theMode        = eFULL_INTERLACE;
+    const ERepere       theSystem      = eCART;
+    const EBooleen      theIsElemNum   = eVRAI;
+    const EBooleen      theIsElemNames = eFAUX;
+    const EConnectivite theConnMode    = eNOD;
+
+    TInt aNbNodes = myMesh->NbNodes();
+    //cout << " myMed->CrNodeInfo() aNbNodes = " << aNbNodes << endl;
+    PNodeInfo aNodeInfo = myMed->CrNodeInfo(aMeshInfo, aNbNodes,
+                                            theMode, theSystem, theIsElemNum, theIsElemNames);
+
+    //cout << " fillElemFamilyMap( SMDSAbs_Node )" << endl;
+    // find family numbers for nodes
+    TElemFamilyMap anElemFamMap;
+    fillElemFamilyMap( anElemFamMap, aFamilies, SMDSAbs_Node );
+
+    for (TInt iNode = 0; aCoordHelperPtr->Next(); iNode++)
+    {
+      // coordinates
+      TCoordSlice aTCoordSlice = aNodeInfo->GetCoordSlice( iNode );
+      for(TInt iCoord = 0; iCoord < aSpaceDim; iCoord++){
+        aTCoordSlice[iCoord] = aCoordHelperPtr->GetCoord(iCoord);
       }
+      // node number
       int aNodeID = aCoordHelperPtr->GetID();
-      anElemNums[iNode] = aNodeID;
+      aNodeInfo->SetElemNum( iNode, aNodeID );
 #ifdef _EDF_NODE_IDS_
       aNodeIdMap[aNodeID] = iNode+1;
 #endif
+      // family number
       const SMDS_MeshNode* aNode = aCoordHelperPtr->GetNode();
-      if (anElemFamMap.find(aNode) != anElemFamMap.end())
-       aFamilyNums[iNode] = anElemFamMap[aNode];
-      else
-       aFamilyNums[iNode] = myNodesDefaultFamilyId;
+      int famNum = getFamilyId( anElemFamMap, aNode, myNodesDefaultFamilyId );
+      aNodeInfo->SetFamNum( iNode, famNum );
     }
+    anElemFamMap.Clear();
 
-    MED::TStringVector aCoordNames(aMeshDimension);
-    MED::TStringVector aCoordUnits(aMeshDimension);
-    for(TInt iCoord = 0; iCoord < aMeshDimension; iCoord++){
-      aCoordNames[iCoord] = aCoordHelperPtr->GetName(iCoord);
-      aCoordUnits[iCoord] = aCoordHelperPtr->GetUnit(iCoord);
+    // coordinate names and units
+    for (TInt iCoord = 0; iCoord < aSpaceDim; iCoord++) {
+      aNodeInfo->SetCoordName( iCoord, aCoordHelperPtr->GetName(iCoord));
+      aNodeInfo->SetCoordUnit( iCoord, aCoordHelperPtr->GetUnit(iCoord));
     }
 
-    const ERepere SMDS_COORDINATE_SYSTEM = eCART;
-
-    PNodeInfo aNodeInfo = myMed->CrNodeInfo(aMeshInfo,
-                                           SMDS_COORDINATE_SYSTEM,
-                                           aCoordinates,
-                                           aCoordNames,
-                                           aCoordUnits,
-                                           aFamilyNums,
-                                           anElemNums);
-    MESSAGE("Perform - aNodeInfo->GetNbElem() = "<<aNbElems);
+    //cout << " SetNodeInfo(aNodeInfo)" << endl;
+    MESSAGE("Perform - aNodeInfo->GetNbElem() = "<<aNbNodes);
     myMed->SetNodeInfo(aNodeInfo);
+    aNodeInfo.reset(); // free memory used for arrays
+
+
+    // Storing SMDS elements to the MED file for the MED mesh
+    //-------------------------------------------------------
+    // Write one element type at once in order to minimize memory usage (PAL19276)
+
+    const SMDS_MeshInfo& nbElemInfo = myMesh->GetMeshInfo();
 
+    // poly elements are not supported by med-2.1
+    bool polyTypesSupported = myMed->CrPolygoneInfo(aMeshInfo,eMAILLE,ePOLYGONE,0,0);
+    TInt nbPolygonNodes = 0, nbPolyhedronNodes = 0, nbPolyhedronFaces = 0;
 
-    // Storing others SMDS elements to the MED file for the MED mesh
-    //--------------------------------------------------------------
-    EEntiteMaillage SMDS_MED_ENTITY = eMAILLE;
-    const EConnectivite SMDS_MED_CONNECTIVITY = eNOD;
+    // collect info on all geom types
 
-    // Storing SMDS Edges
-    if(TInt aNbElems = myMesh->NbEdges()){
+    list< TElemTypeData > aTElemTypeDatas;
+
+    EEntiteMaillage anEntity = eMAILLE;
 #ifdef _ELEMENTS_BY_DIM_
-      SMDS_MED_ENTITY = eARETE;
+    anEntity = eNOEUD_ELEMENT;
 #endif
-      SMDS_EdgeIteratorPtr anIter = myMesh->edgesIterator();
-      TInt aNbConnectivity = MED::GetNbNodes(eSEG2);
-      MED::TIntVector anElemNums(aNbElems);
-      MED::TIntVector aFamilyNums(aNbElems);
-      MED::TIntVector aConnectivity(aNbElems*aNbConnectivity);
-
-      for(TInt iElem = 0, iConn = 0; anIter->more(); iElem++, iConn+=aNbConnectivity){
-       const SMDS_MeshEdge* anElem = anIter->next();
-       SMDS_ElemIteratorPtr aNodesIter = anElem->nodesIterator();
-       for(TInt iNode = 0; iNode < aNbConnectivity && aNodesIter->more(); iNode++){
-         const SMDS_MeshElement* aNode = aNodesIter->next();
-#ifdef _EDF_NODE_IDS_
-         aConnectivity[iConn+iNode] = aNodeIdMap[aNode->GetID()];
-#else
-         aConnectivity[iConn+iNode] = aNode->GetID();
+    aTElemTypeDatas.push_back(TElemTypeData(anEntity,
+                                            ePOINT1,
+                                            nbElemInfo.Nb0DElements(),
+                                            SMDSAbs_0DElement));
+#ifdef _ELEMENTS_BY_DIM_
+    anEntity = eARETE;
 #endif
-       }
-       anElemNums[iElem] = anElem->GetID();
-
-        if (anElemFamMap.find(anElem) != anElemFamMap.end())
-          aFamilyNums[iElem] = anElemFamMap[anElem];
-        else
-          aFamilyNums[iElem] = myEdgesDefaultFamilyId;
-      }
-      
-      PCellInfo aCellInfo = myMed->CrCellInfo(aMeshInfo,
-                                             SMDS_MED_ENTITY,
-                                             eSEG2,
-                                             SMDS_MED_CONNECTIVITY,
-                                             aConnectivity,
-                                             aFamilyNums,
-                                             anElemNums);
-      myMed->SetCellInfo(aCellInfo);
-    }
-
-    // Storing SMDS Faces
-    if(TInt aNbElems = myMesh->NbFaces()){
-      SMDS_FaceIteratorPtr anIter = myMesh->facesIterator();
+    aTElemTypeDatas.push_back( TElemTypeData(anEntity,
+                                            eSEG2,
+                                            nbElemInfo.NbEdges( ORDER_LINEAR ),
+                                            SMDSAbs_Edge));
+    aTElemTypeDatas.push_back( TElemTypeData(anEntity,
+                                            eSEG3,
+                                            nbElemInfo.NbEdges( ORDER_QUADRATIC ),
+                                            SMDSAbs_Edge));
 #ifdef _ELEMENTS_BY_DIM_
-      SMDS_MED_ENTITY = eFACE;
+    anEntity = eFACE;
 #endif
-      TInt aNbTriaConn = MED::GetNbNodes(eTRIA3);
-      MED::TIntVector anTriaElemNums; 
-      anTriaElemNums.reserve(aNbElems);
-      MED::TIntVector aTriaFamilyNums;
-      aTriaFamilyNums.reserve(aNbElems);
-      MED::TIntVector aTriaConn;
-      aTriaConn.reserve(aNbElems*aNbTriaConn);
-
-      TInt aNbQuadConn = MED::GetNbNodes(eQUAD4);
-      MED::TIntVector aQuadElemNums;
-      aQuadElemNums.reserve(aNbElems);
-      MED::TIntVector aQuadFamilyNums;
-      aQuadFamilyNums.reserve(aNbElems);
-      MED::TIntVector aQuadConn;
-      aQuadConn.reserve(aNbElems*aNbQuadConn);
-
-      for(TInt iElem = 0; iElem < aNbElems && anIter->more(); iElem++){
-       const SMDS_MeshFace* anElem = anIter->next();
-       TInt aNbNodes = anElem->NbNodes();
-       SMDS_ElemIteratorPtr aNodesIter = anElem->nodesIterator();
-       TInt aNbConnectivity;
-       MED::TIntVector* anElemNums;
-        MED::TIntVector* aFamilyNums;
-       MED::TIntVector* aConnectivity;
-       switch(aNbNodes){
-       case 3:
-         aNbConnectivity = aNbTriaConn;
-         anElemNums = &anTriaElemNums;
-         aFamilyNums = &aTriaFamilyNums;
-         aConnectivity = &aTriaConn;
-         break;
-       case 4:
-         aNbConnectivity = aNbQuadConn;
-         anElemNums = &aQuadElemNums;
-         aFamilyNums = &aQuadFamilyNums;
-         aConnectivity = &aQuadConn;
-         break;
-       }
-       MED::TIntVector aVector(aNbNodes);
-       for(TInt iNode = 0; aNodesIter->more(); iNode++){
-         const SMDS_MeshElement* aNode = aNodesIter->next();
-         aVector[iNode] = aNode->GetID();
-       }
-
-       TInt aSize = aConnectivity->size();
-       aConnectivity->resize(aSize+aNbConnectivity);
-       // There is some differnce between SMDS and MED in cells mapping
-#ifdef _EDF_NODE_IDS_
-       switch(aNbNodes){
-       case 4:
-         (*aConnectivity)[aSize+0] = aNodeIdMap[aVector[0]];
-         (*aConnectivity)[aSize+1] = aNodeIdMap[aVector[1]];
-         (*aConnectivity)[aSize+2] = aNodeIdMap[aVector[3]];  
-         (*aConnectivity)[aSize+3] = aNodeIdMap[aVector[2]];  
-       default:
-         for(TInt iNode = 0; iNode < aNbNodes; iNode++) 
-           (*aConnectivity)[aSize+iNode] = aNodeIdMap[aVector[iNode]];
-       }
-#else
-       switch(aNbNodes){
-       case 4:
-         (*aConnectivity)[aSize+0] = aVector[0];
-         (*aConnectivity)[aSize+1] = aVector[1];
-         (*aConnectivity)[aSize+2] = aVector[3];  
-         (*aConnectivity)[aSize+3] = aVector[2];  
-       default:
-         for(TInt iNode = 0; iNode < aNbNodes; iNode++) 
-           (*aConnectivity)[aSize+iNode] = aVector[iNode];
-       }
+    aTElemTypeDatas.push_back( TElemTypeData(anEntity,
+                                            eTRIA3,
+                                            nbElemInfo.NbTriangles( ORDER_LINEAR ),
+                                            SMDSAbs_Face));
+    aTElemTypeDatas.push_back( TElemTypeData(anEntity,
+                                            eTRIA6,
+                                            nbElemInfo.NbTriangles( ORDER_QUADRATIC ),
+                                            SMDSAbs_Face));
+    aTElemTypeDatas.push_back( TElemTypeData(anEntity,
+                                            eQUAD4,
+                                            nbElemInfo.NbQuadrangles( ORDER_LINEAR ),
+                                            SMDSAbs_Face));
+    aTElemTypeDatas.push_back( TElemTypeData(anEntity,
+                                            eQUAD8,
+                                            nbElemInfo.NbQuadrangles( ORDER_QUADRATIC ),
+                                            SMDSAbs_Face));
+    if ( polyTypesSupported ) {
+      aTElemTypeDatas.push_back( TElemTypeData(anEntity,
+                                               ePOLYGONE,
+                                               nbElemInfo.NbPolygons(),
+                                               SMDSAbs_Face));
+      // we need one more loop on poly elements to count nb of their nodes
+      aTElemTypeDatas.push_back( TElemTypeData(anEntity,
+                                               ePOLYGONE,
+                                               nbElemInfo.NbPolygons(),
+                                               SMDSAbs_Face));
+    }
+#ifdef _ELEMENTS_BY_DIM_
+    anEntity = eMAILLE;
 #endif
-       anElemNums->push_back(anElem->GetID());
+    aTElemTypeDatas.push_back( TElemTypeData(anEntity,
+                                            eTETRA4,
+                                            nbElemInfo.NbTetras( ORDER_LINEAR ),
+                                            SMDSAbs_Volume));
+    aTElemTypeDatas.push_back( TElemTypeData(anEntity,
+                                            eTETRA10,
+                                            nbElemInfo.NbTetras( ORDER_QUADRATIC ),
+                                            SMDSAbs_Volume));
+    aTElemTypeDatas.push_back( TElemTypeData(anEntity,
+                                            ePYRA5,
+                                            nbElemInfo.NbPyramids( ORDER_LINEAR ),
+                                            SMDSAbs_Volume));
+    aTElemTypeDatas.push_back( TElemTypeData(anEntity,
+                                            ePYRA13,
+                                            nbElemInfo.NbPyramids( ORDER_QUADRATIC ),
+                                            SMDSAbs_Volume));
+    aTElemTypeDatas.push_back( TElemTypeData(anEntity,
+                                            ePENTA6,
+                                            nbElemInfo.NbPrisms( ORDER_LINEAR ),
+                                            SMDSAbs_Volume));
+    aTElemTypeDatas.push_back( TElemTypeData(anEntity,
+                                             ePENTA15,
+                                             nbElemInfo.NbPrisms( ORDER_QUADRATIC ),
+                                             SMDSAbs_Volume));
+    aTElemTypeDatas.push_back( TElemTypeData(anEntity,
+                                             eHEXA8,
+                                             nbElemInfo.NbHexas( ORDER_LINEAR ),
+                                             SMDSAbs_Volume));
+    aTElemTypeDatas.push_back( TElemTypeData(anEntity,
+                                             eHEXA20,
+                                             nbElemInfo.NbHexas( ORDER_QUADRATIC ),
+                                             SMDSAbs_Volume));
+    if ( polyTypesSupported ) {
+      aTElemTypeDatas.push_back( TElemTypeData(anEntity,
+                                               ePOLYEDRE,
+                                               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(),
+                                               SMDSAbs_Volume));
+    }
 
-        if (anElemFamMap.find(anElem) != anElemFamMap.end())
-          aFamilyNums->push_back(anElemFamMap[anElem]);
-        else
-          aFamilyNums->push_back(myFacesDefaultFamilyId);
-      }
-      if(TInt aNbElems = anTriaElemNums.size()){
-       PCellInfo aCellInfo = myMed->CrCellInfo(aMeshInfo,
-                                               SMDS_MED_ENTITY,
-                                               eTRIA3,
-                                               SMDS_MED_CONNECTIVITY,
-                                               aTriaConn,
-                                               aTriaFamilyNums,
-                                               anTriaElemNums);
-       MESSAGE("Perform - anEntity = "<<SMDS_MED_ENTITY<<"; aGeom = "<<eTRIA3<<"; aNbElems = "<<aNbElems);
-       myMed->SetCellInfo(aCellInfo);
-      }
-      if(TInt aNbElems = aQuadElemNums.size()){
-       PCellInfo aCellInfo = myMed->CrCellInfo(aMeshInfo,
-                                               SMDS_MED_ENTITY,
-                                               eQUAD4,
-                                               SMDS_MED_CONNECTIVITY,
-                                               aQuadConn,
-                                               aQuadFamilyNums,
-                                               aQuadElemNums);
-       MESSAGE("Perform - anEntity = "<<SMDS_MED_ENTITY<<"; aGeom = "<<eQUAD4<<"; aNbElems = "<<aNbElems);
-       myMed->SetCellInfo(aCellInfo);
+    vector< bool > isElemFamMapBuilt( SMDSAbs_NbElementTypes, false );
+
+    // loop on all geom types of elements
+
+    list< TElemTypeData >::iterator aElemTypeData = aTElemTypeDatas.begin();
+    for ( ; aElemTypeData != aTElemTypeDatas.end(); ++aElemTypeData )
+    {
+      if ( aElemTypeData->_nbElems == 0 )
+        continue;
+
+      // iterator on elements of a current type
+      PElemIterator elemIterator;
+      int defaultFamilyId = 0;
+      switch ( aElemTypeData->_smdsType ) {
+      case SMDSAbs_0DElement:
+        elemIterator = PElemIterator( new T0DElementIterator( myMesh->elements0dIterator() ));
+        defaultFamilyId = my0DElementsDefaultFamilyId;
+        break;
+      case SMDSAbs_Edge:
+        elemIterator = PElemIterator( new TEdgeIterator( myMesh->edgesIterator() ));
+        defaultFamilyId = myEdgesDefaultFamilyId;
+        break;
+      case SMDSAbs_Face:
+        elemIterator = PElemIterator( new TFaceIterator( myMesh->facesIterator() ));
+        defaultFamilyId = myFacesDefaultFamilyId;
+        break;
+      case SMDSAbs_Volume:
+        elemIterator = PElemIterator( new TVolumeIterator( myMesh->volumesIterator() ));
+        defaultFamilyId = myVolumesDefaultFamilyId;
+        break;
+      default:
+        continue;
       }
-    }
+      int iElem = 0;
 
-    // Storing SMDS Volumes
-    if(TInt aNbElems = myMesh->NbVolumes()){
-      SMDS_VolumeIteratorPtr anIter = myMesh->volumesIterator();
-#ifdef _ELEMENTS_BY_DIM_
-      SMDS_MED_ENTITY = eMAILLE;
+      //cout << " Treat type " << aElemTypeData->_geomType << " nb = " <<aElemTypeData->_nbElems<< endl;
+      // Treat POLYGONs
+      // ---------------
+      if ( aElemTypeData->_geomType == ePOLYGONE )
+      {
+        if ( nbPolygonNodes == 0 ) {
+          // Count nb of nodes
+          while ( const SMDS_MeshElement* anElem = elemIterator->next() ) {
+            if ( anElem->IsPoly() ) {
+              nbPolygonNodes += anElem->NbNodes();
+              if ( ++iElem == aElemTypeData->_nbElems )
+                break;
+            }
+          }
+        }
+        else {
+          // Store in med file
+          PPolygoneInfo aPolygoneInfo = myMed->CrPolygoneInfo(aMeshInfo,
+                                                              aElemTypeData->_entity,
+                                                              aElemTypeData->_geomType,
+                                                              aElemTypeData->_nbElems,
+                                                              nbPolygonNodes,
+                                                              theConnMode, theIsElemNum,
+                                                              theIsElemNames);
+          TElemNum & index = *(aPolygoneInfo->myIndex.get());
+          index[0] = 1;
+
+          while ( const SMDS_MeshElement* anElem = elemIterator->next() )
+          {
+            if ( !anElem->IsPoly() )
+              continue;
+
+            // index
+            TInt aNbNodes = anElem->NbNodes();
+            index[ iElem+1 ] = index[ iElem ] + aNbNodes;
+
+            // connectivity
+            TConnSlice aTConnSlice = aPolygoneInfo->GetConnSlice( iElem );
+            for(TInt iNode = 0; iNode < aNbNodes; iNode++) {
+              const SMDS_MeshElement* aNode = anElem->GetNode( iNode );
+#ifdef _EDF_NODE_IDS_
+              aTConnSlice[ iNode ] = aNodeIdMap[aNode->GetID()];
+#else
+              aTConnSlice[ iNode ] = aNode->GetID();
 #endif
-      TInt aNbTetraConn = MED::GetNbNodes(eTETRA4);
-      MED::TIntVector anTetraElemNums; 
-      anTetraElemNums.reserve(aNbElems);
-      MED::TIntVector aTetraFamilyNums;
-      aTetraFamilyNums.reserve(aNbElems);
-      MED::TIntVector aTetraConn;
-      aTetraConn.reserve(aNbElems*aNbTetraConn);
-
-      TInt aNbPyraConn = MED::GetNbNodes(ePYRA5);
-      MED::TIntVector anPyraElemNums; 
-      anPyraElemNums.reserve(aNbElems);
-      MED::TIntVector aPyraFamilyNums;
-      aPyraFamilyNums.reserve(aNbElems);
-      MED::TIntVector aPyraConn;
-      aPyraConn.reserve(aNbElems*aNbPyraConn);
-
-      TInt aNbPentaConn = MED::GetNbNodes(ePENTA6);
-      MED::TIntVector anPentaElemNums; 
-      anPentaElemNums.reserve(aNbElems);
-      MED::TIntVector aPentaFamilyNums;
-      aPentaFamilyNums.reserve(aNbElems);
-      MED::TIntVector aPentaConn;
-      aPentaConn.reserve(aNbElems*aNbPentaConn);
-
-      TInt aNbHexaConn = MED::GetNbNodes(eHEXA8);
-      MED::TIntVector aHexaElemNums;
-      aHexaElemNums.reserve(aNbElems);
-      MED::TIntVector aHexaFamilyNums;
-      aHexaFamilyNums.reserve(aNbElems);
-      MED::TIntVector aHexaConn;
-      aHexaConn.reserve(aNbElems*aNbHexaConn);
-
-      for(TInt iElem = 0; iElem < aNbElems && anIter->more(); iElem++){
-       const SMDS_MeshVolume* anElem = anIter->next();
-       TInt aNbNodes = anElem->NbNodes();
-       SMDS_ElemIteratorPtr aNodesIter = anElem->nodesIterator();
-       TInt aNbConnectivity;
-       MED::TIntVector* anElemNums;
-       MED::TIntVector* aFamilyNums;
-       MED::TIntVector* aConnectivity;
-       switch(aNbNodes){
-       case 4:
-         aNbConnectivity = aNbTetraConn;
-         anElemNums = &anTetraElemNums;
-         aFamilyNums = &aTetraFamilyNums;
-         aConnectivity = &aTetraConn;
-         break;
-       case 5:
-         aNbConnectivity = aNbPyraConn;
-         anElemNums = &anPyraElemNums;
-         aFamilyNums = &aPyraFamilyNums;
-         aConnectivity = &aPyraConn;
-         break;
-       case 6:
-         aNbConnectivity = aNbPentaConn;
-         anElemNums = &anPentaElemNums;
-         aFamilyNums = &aPentaFamilyNums;
-         aConnectivity = &aPentaConn;
-         break;
-       case 8:
-         aNbConnectivity = aNbHexaConn;
-         anElemNums = &aHexaElemNums;
-         aFamilyNums = &aHexaFamilyNums;
-         aConnectivity = &aHexaConn;
-       }
-
-       MED::TIntVector aVector(aNbNodes);
-       for(TInt iNode = 0; aNodesIter->more(); iNode++){
-         const SMDS_MeshElement* aNode = aNodesIter->next();
-         aVector[iNode] = aNode->GetID();
-       }
-       TInt aSize = aConnectivity->size();
-       aConnectivity->resize(aSize+aNbConnectivity);
-       // There is some difference between SMDS and MED in cells mapping
+            }
+            // element number
+            aPolygoneInfo->SetElemNum( iElem, anElem->GetID() );
+
+            // family number
+            int famNum = getFamilyId( anElemFamMap, anElem, defaultFamilyId );
+            aPolygoneInfo->SetFamNum( iElem, famNum );
+
+            if ( ++iElem == aPolygoneInfo->GetNbElem() )
+              break;
+          }
+          //       if(TInt aNbElems = aPolygoneElemNums.size())
+          //         // add one element in connectivities,
+          //         // referenced by the last element in indices
+          //         aPolygoneConn.push_back(0);
+          //cout << " SetPolygoneInfo(aPolygoneInfo)" << endl;
+          myMed->SetPolygoneInfo(aPolygoneInfo);
+        }
+
+      } 
+
+      // Treat POLYEDREs
+      // ----------------
+      else if (aElemTypeData->_geomType == ePOLYEDRE )
+      {
+        if ( nbPolyhedronNodes == 0 ) {
+          // Count nb of nodes
+          while ( const SMDS_MeshElement* anElem = elemIterator->next() ) {
+            const SMDS_PolyhedralVolumeOfNodes* aPolyedre =
+              dynamic_cast<const SMDS_PolyhedralVolumeOfNodes*>( anElem );
+            if ( aPolyedre ) {
+              nbPolyhedronNodes += aPolyedre->NbNodes();
+              nbPolyhedronFaces += aPolyedre->NbFaces();
+              if ( ++iElem == aElemTypeData->_nbElems )
+                break;
+            }
+          }
+        }
+        else {
+          // Store in med file
+          PPolyedreInfo aPolyhInfo = myMed->CrPolyedreInfo(aMeshInfo,
+                                                           aElemTypeData->_entity,
+                                                           aElemTypeData->_geomType,
+                                                           aElemTypeData->_nbElems,
+                                                           nbPolyhedronFaces+1,
+                                                           nbPolyhedronNodes,
+                                                           theConnMode,
+                                                           theIsElemNum,
+                                                           theIsElemNames);
+          TElemNum & index = *(aPolyhInfo->myIndex.get());
+          TElemNum & faces = *(aPolyhInfo->myFaces.get());
+          TElemNum & conn  = *(aPolyhInfo->myConn.get());
+          index[0] = 1;
+          faces[0] = 1;
+
+          TInt iFace = 0, iNode = 0;
+          while ( const SMDS_MeshElement* anElem = elemIterator->next() )
+          {
+            const SMDS_PolyhedralVolumeOfNodes* aPolyedre =
+              dynamic_cast<const SMDS_PolyhedralVolumeOfNodes*>( anElem );
+            if ( !aPolyedre )
+              continue;
+
+            // index
+            TInt aNbFaces = aPolyedre->NbFaces();
+            index[ iElem+1 ] = index[ iElem ] + aNbFaces;
+
+            // face index
+            for (TInt f = 1; f <= aNbFaces; ++f, ++iFace ) {
+              int aNbFaceNodes = aPolyedre->NbFaceNodes( f );
+              faces[ iFace+1 ] = faces[ iFace ] + aNbFaceNodes;
+            }
+            // connectivity
+            SMDS_ElemIteratorPtr nodeIt = anElem->nodesIterator();
+            while ( nodeIt->more() ) {
+              const SMDS_MeshElement* aNode = nodeIt->next();
 #ifdef _EDF_NODE_IDS_
-       switch(aNbNodes){
-       case 5:
-         (*aConnectivity)[aSize+0] = aNodeIdMap[aVector[0]];
-         (*aConnectivity)[aSize+1] = aNodeIdMap[aVector[3]];
-         (*aConnectivity)[aSize+2] = aNodeIdMap[aVector[2]];  
-         (*aConnectivity)[aSize+3] = aNodeIdMap[aVector[1]];  
-         (*aConnectivity)[aSize+4] = aNodeIdMap[aVector[4]];  
-       default:
-         for(TInt iNode = 0; iNode < aNbNodes; iNode++) 
-           (*aConnectivity)[aSize+iNode] = aNodeIdMap[aVector[iNode]];
-       }
+              conn[ iNode ] = aNodeIdMap[aNode->GetID()];
 #else
-       switch(aNbNodes){
-       case 5:
-         (*aConnectivity)[aSize+0] = aVector[0];
-         (*aConnectivity)[aSize+1] = aVector[3];
-         (*aConnectivity)[aSize+2] = aVector[2];  
-         (*aConnectivity)[aSize+3] = aVector[1];  
-         (*aConnectivity)[aSize+4] = aVector[4];  
-       default:
-         for(TInt iNode = 0; iNode < aNbNodes; iNode++) 
-           (*aConnectivity)[aSize+iNode] = aVector[iNode];
-       }
+              conn[ iNode ] = aNode->GetID();
 #endif
-       anElemNums->push_back(anElem->GetID());
+              ++iNode;
+            }
+            // element number
+            aPolyhInfo->SetElemNum( iElem, anElem->GetID() );
+
+            // family number
+            int famNum = getFamilyId( anElemFamMap, anElem, defaultFamilyId );
+            aPolyhInfo->SetFamNum( iElem, famNum );
+
+            if ( ++iElem == aPolyhInfo->GetNbElem() )
+              break;
+          }
+          //cout << " SetPolyedreInfo(aPolyhInfo )" << endl;
+          myMed->SetPolyedreInfo(aPolyhInfo);
+        }
+      } // if (aElemTypeData->_geomType == ePOLYEDRE )
 
-        if (anElemFamMap.find(anElem) != anElemFamMap.end())
-          aFamilyNums->push_back(anElemFamMap[anElem]);
-        else
-          aFamilyNums->push_back(myVolumesDefaultFamilyId);
+      else
+      {
+        // Treat standard types
+        // ---------------------
+
+        // allocate data arrays
+        PCellInfo aCellInfo = myMed->CrCellInfo( aMeshInfo,
+                                                 aElemTypeData->_entity,
+                                                 aElemTypeData->_geomType,
+                                                 aElemTypeData->_nbElems,
+                                                 theConnMode,
+                                                 theIsElemNum,
+                                                 theIsElemNames);
+        // build map of family numbers for this type
+        if ( !isElemFamMapBuilt[ aElemTypeData->_smdsType ])
+        {
+          //cout << " fillElemFamilyMap()" << endl;
+          fillElemFamilyMap( anElemFamMap, aFamilies, aElemTypeData->_smdsType );
+          isElemFamMapBuilt[ aElemTypeData->_smdsType ] = true;
+        }
+
+        TInt aNbNodes = MED::GetNbNodes(aElemTypeData->_geomType);
+        while ( const SMDS_MeshElement* anElem = elemIterator->next() )
+        {
+          if ( anElem->NbNodes() != aNbNodes || anElem->IsPoly() )
+            continue; // other geometry
+
+          // connectivity
+          TConnSlice aTConnSlice = aCellInfo->GetConnSlice( iElem );
+          for (TInt iNode = 0; iNode < aNbNodes; iNode++) {
+            const SMDS_MeshElement* aNode = anElem->GetNode( iNode );
+#ifdef _EDF_NODE_IDS_
+            aTConnSlice[ iNode ] = aNodeIdMap[aNode->GetID()];
+#else
+            aTConnSlice[ iNode ] = aNode->GetID();
+#endif
+          }
+          // element number
+          aCellInfo->SetElemNum( iElem, anElem->GetID() );
+
+          // family number
+          int famNum = getFamilyId( anElemFamMap, anElem, defaultFamilyId );
+          aCellInfo->SetFamNum( iElem, famNum );
+
+          if ( ++iElem == aCellInfo->GetNbElem() )
+            break;
+        }
+        // store data in a file
+        //cout << " SetCellInfo(aCellInfo)" << endl;
+        myMed->SetCellInfo(aCellInfo);
       }
 
-      if(TInt aNbElems = anTetraElemNums.size()){
-       PCellInfo aCellInfo = myMed->CrCellInfo(aMeshInfo,
-                                               SMDS_MED_ENTITY,
-                                               eTETRA4,
-                                               SMDS_MED_CONNECTIVITY,
-                                               aTetraConn,
-                                               aTetraFamilyNums,
-                                               anTetraElemNums);
-       MESSAGE("Perform - anEntity = "<<SMDS_MED_ENTITY<<"; aGeom = "<<eTETRA4<<"; aNbElems = "<<aNbElems);
-       myMed->SetCellInfo(aCellInfo);
-      }
-      if(TInt aNbElems = anPyraElemNums.size()){
-       PCellInfo aCellInfo = myMed->CrCellInfo(aMeshInfo,
-                                               SMDS_MED_ENTITY,
-                                               ePYRA5,
-                                               SMDS_MED_CONNECTIVITY,
-                                               aPyraConn,
-                                               aPyraFamilyNums,
-                                               anPyraElemNums);
-       MESSAGE("Perform - anEntity = "<<SMDS_MED_ENTITY<<"; aGeom = "<<ePYRA5<<"; aNbElems = "<<aNbElems);
-       myMed->SetCellInfo(aCellInfo);
-      }
-      if(TInt aNbElems = anPentaElemNums.size()){
-       PCellInfo aCellInfo = myMed->CrCellInfo(aMeshInfo,
-                                               SMDS_MED_ENTITY,
-                                               ePENTA6,
-                                               SMDS_MED_CONNECTIVITY,
-                                               aPentaConn,
-                                               aPentaFamilyNums,
-                                               anPentaElemNums);
-       MESSAGE("Perform - anEntity = "<<SMDS_MED_ENTITY<<"; aGeom = "<<ePENTA6<<"; aNbElems = "<<aNbElems);
-       myMed->SetCellInfo(aCellInfo);
-      }
-      if(TInt aNbElems = aHexaElemNums.size()){
-       PCellInfo aCellInfo = myMed->CrCellInfo(aMeshInfo,
-                                               SMDS_MED_ENTITY,
-                                               eHEXA8,
-                                               SMDS_MED_CONNECTIVITY,
-                                               aHexaConn,
-                                               aHexaFamilyNums,
-                                               aHexaElemNums);
-       MESSAGE("Perform - anEntity = "<<SMDS_MED_ENTITY<<"; aGeom = "<<eHEXA8<<"; aNbElems = "<<aNbElems);
-       myMed->SetCellInfo(aCellInfo);
-      }
-    }
-  }catch(const std::exception& exc){
+    } // loop on geom types
+
+
+  }
+  catch(const std::exception& exc) {
     INFOS("Follow exception was cought:\n\t"<<exc.what());
-  }catch(...){
+    throw;
+  }
+  catch(...) {
     INFOS("Unknown exception was cought !!!");
+    throw;
   }
 
   myMeshId = -1;