Salome HOME
Merge from V6_main 11/02/2013
[modules/smesh.git] / src / DriverMED / DriverMED_R_SMESHDS_Mesh.cxx
index 49c645f47a23a09f89e2cce8f55c93330cc4f70b..d6bb729e490d8eb5d3199cc8d564730f556bf676 100644 (file)
@@ -1,31 +1,30 @@
-//  SMESH DriverMED : driver to read and write 'med' files
+// Copyright (C) 2007-2012  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_R_SMESHDS_Mesh.cxx
 //  Module : SMESH
-
+//
 #include "DriverMED_R_SMESHDS_Mesh.h"
-#include "DriverMED_R_SMDS_Mesh.h"
 #include "SMESHDS_Mesh.hxx"
 #include "utilities.h"
 
@@ -40,7 +39,7 @@
 #include <stdlib.h>
 
 #ifdef _DEBUG_
-static int MYDEBUG = 0;
+static int MYDEBUG = 1;
 //#define _DEXCEPT_
 #else
 static int MYDEBUG = 0;
@@ -49,6 +48,7 @@ static int MYDEBUG = 0;
 #define _EDF_NODE_IDS_
 
 using namespace MED;
+using namespace std;
 
 void
 DriverMED_R_SMESHDS_Mesh
@@ -58,7 +58,8 @@ DriverMED_R_SMESHDS_Mesh
 }
 
 static const SMDS_MeshNode* 
-FindNode(const SMDS_Mesh* theMesh, TInt theId){
+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);
@@ -70,6 +71,7 @@ DriverMED_R_SMESHDS_Mesh
 ::Perform()
 {
   Status aResult = DRS_FAIL;
+  bool isDescConn = false;
 #ifndef _DEXCEPT_
   try{
 #endif
@@ -80,9 +82,10 @@ DriverMED_R_SMESHDS_Mesh
     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);
+        // Reading the MED mesh
+        //---------------------
+        PMeshInfo aMeshInfo = aMed->GetPMeshInfo(iMesh+1);
+
         string aMeshName;
         if (myMeshId != -1) {
           ostringstream aMeshNameStr;
@@ -91,60 +94,76 @@ DriverMED_R_SMESHDS_Mesh
         } else {
           aMeshName = myMeshName;
         }
-       if(MYDEBUG) MESSAGE("Perform - aMeshName : "<<aMeshName<<"; "<<aMeshInfo->GetName());
-       if(aMeshName != aMeshInfo->GetName()) continue;
+        if(MYDEBUG) MESSAGE("Perform - aMeshName : "<<aMeshName<<"; "<<aMeshInfo->GetName());
+        if(aMeshName != aMeshInfo->GetName()) continue;
         aResult = DRS_OK;
-       //TInt aMeshDim = aMeshInfo->GetDim();
-       
+
         // Reading MED families to the temporary structure
-       //------------------------------------------------
-       TErr anErr;
-       TInt aNbFams = aMed->GetNbFamilies(aMeshInfo);
+        //------------------------------------------------
+        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 << " :");
-           
+          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;
-         }
+          }
         }
 
-        // Reading MED nodes to the corresponding SMDS structure
-       //------------------------------------------------------
-       PNodeInfo aNodeInfo = aMed->GetPNodeInfo(aMeshInfo);
+        if (aMeshInfo->GetType() == MED::eSTRUCTURE){
+          /*bool aRes = */buildMeshGrille(aMed,aMeshInfo);
+          continue;
+        }
 
-       PCoordHelper aCoordHelper = GetCoordHelper(aNodeInfo);
+        // 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);
+        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);
+          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
+            aNode = myMesh->AddNodeWithID
               (aCoords[0],aCoords[1],aCoords[2],aNodeInfo->GetElemNum(iElem));
           } else {
-           aNode = myMesh->AddNode
-              (aCoords[0],aCoords[1],aCoords[2]);
+            aNode = myMesh->AddNodeWithID
+              (aCoords[0],aCoords[1],aCoords[2], iElem+1);
           }
-          //cout<<aNode->GetID()<<": "<<aNode->X()<<", "<<aNode->Y()<<", "<<aNode->Z()<<endl;
 
           // Save reference to this node from its family
           TInt aFamNum = aNodeInfo->GetFamNum(iElem);
@@ -155,44 +174,119 @@ DriverMED_R_SMESHDS_Mesh
           }
         }
 
-       // Reading pre information about all MED cells
-       //--------------------------------------------
-       typedef MED::TVector<int> TNodeIds;
+        // Are there any MED cells in descending connectivity
+        //---------------------------------------------------
+        if (!isDescConn) {
+          MED::TEntityInfo aEntityInfoDesc = aMed->GetEntityInfo(aMeshInfo, eDESC);
+          MED::TEntityInfo::iterator anEntityIterDesc = aEntityInfoDesc.begin();
+          for (; anEntityIterDesc != aEntityInfoDesc.end() && !isDescConn; anEntityIterDesc++) {
+            const EEntiteMaillage& anEntity = anEntityIterDesc->first;
+            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);
-       MED::TEntityInfo::iterator anEntityIter = aEntityInfo.begin();
-       for(; anEntityIter != aEntityInfo.end(); anEntityIter++){
-         const EEntiteMaillage& anEntity = anEntityIter->first;
-         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;
-
-           switch(aGeom){
-           case ePOINT1:
-             break;
-           case ePOLYGONE: {
+        MED::TEntityInfo aEntityInfo = aMed->GetEntityInfo(aMeshInfo, eNOD);
+        MED::TEntityInfo::iterator anEntityIter = aEntityInfo.begin();
+        for (; anEntityIter != aEntityInfo.end(); anEntityIter++) {
+          const EEntiteMaillage& anEntity = anEntityIter->first;
+          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 ( checkFamilyID ( aFamily, aFamNum ))
+                {
+                  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);
+              
+              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];
+                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];
+                for(TInt iConn = 0; iConn < aNbConn; iConn++)
+                  aNodeIds[iConn] = aConnSlice[iConn];
 #endif
                 bool isRenum = false;
                 SMDS_MeshElement* anElement = NULL;
@@ -202,12 +296,12 @@ DriverMED_R_SMESHDS_Mesh
                 try{
 #endif
                   if(anIsElemNum){
-                   TInt anElemId = aPolygoneInfo->GetElemNum(iElem);
+                    TInt anElemId = aPolygoneInfo->GetElemNum(iElem);
                     anElement = myMesh->AddPolygonalFaceWithID(aNodeIds,anElemId);
-                 }
+                  }
                   if(!anElement){
-                    std::vector<const SMDS_MeshNode*> aNodes(aNbConn);
-                   for(TInt iConn = 0; iConn < aNbConn; iConn++)
+                    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;
@@ -237,106 +331,117 @@ DriverMED_R_SMESHDS_Mesh
                 }
               }
               break;
-           }
-           case ePOLYEDRE: {
+            }
+            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();
+              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();
+                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);
-                 else
-                   for(TInt iConn = 0; iConn < aNbConn; iConn++)
-                     aNodeIds[iNode++] = aConnSlice[iConn];
+                  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);
-               
+                  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{
+                try{
 #endif
-                 if(anIsElemNum){
-                   TInt anElemId = aPolyedreInfo->GetElemNum(iElem);
-                   anElement = myMesh->AddPolyhedralVolumeWithID(aNodeIds,aQuantities,anElemId);
-                 }
-                 if(!anElement){
-                   std::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;
-                 }
+                  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 ( checkFamilyID ( aFamily, aFamNum )) {
-                   // Save reference to this element from its family
-                   aFamily->AddElement(anElement);
-                   aFamily->SetType(anElement->GetType());
-                 }
-               }
-             }
+                }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 ( checkFamilyID ( aFamily, aFamNum )) {
+                    // Save reference to this element from its family
+                    aFamily->AddElement(anElement);
+                    aFamily->SetType(anElement->GetType());
+                  }
+                }
+              }
               break;
             }
-           default: {
+            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 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++){
-                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 eQUAD4:   aNbNodes = 4;  break;
-                case eQUAD8:   aNbNodes = 8;  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;
-                default:;
-                }
-                vector<TInt> aNodeIds(aNbNodes);
                 bool anIsValidConnect = false;
                 TCConnSlice aConnSlice = aCellInfo->GetConnSlice(iElem);
 #ifndef _DEXCEPT_
@@ -356,10 +461,10 @@ DriverMED_R_SMESHDS_Mesh
                   anIsValidConnect = true;
 #ifndef _DEXCEPT_
                 }catch(const std::exception& exc){
-                  //INFOS("Follow exception was cought:\n\t"<<exc.what());
+                  INFOS("Following exception was caught:\n\t"<<exc.what());
                   aResult = DRS_FAIL;
                 }catch(...){
-                  //INFOS("Unknown exception was cought !!!");
+                  INFOS("Unknown exception was caught !!!");
                   aResult = DRS_FAIL;
                 }
 #endif          
@@ -367,14 +472,24 @@ DriverMED_R_SMESHDS_Mesh
                   continue;
 
                 bool isRenum = false;
-                SMDS_MeshElement* anElement = NULL;
+                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){
+                  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],
@@ -464,6 +579,27 @@ DriverMED_R_SMESHDS_Mesh
                       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)
@@ -503,7 +639,6 @@ DriverMED_R_SMESHDS_Mesh
                     break;
                   case ePYRA5:
                     aNbNodes = 5;
-                    // There is some differnce between SMDS and MED
                     if(anIsElemNum)
                       anElement = myMesh->AddVolumeWithID(aNodeIds[0], aNodeIds[1],
                                                           aNodeIds[2], aNodeIds[3],
@@ -520,7 +655,6 @@ DriverMED_R_SMESHDS_Mesh
                     break;
                   case ePYRA13:
                     aNbNodes = 13;
-                    // There is some differnce between SMDS and MED
                     if(anIsElemNum)
                       anElement = myMesh->AddVolumeWithID(aNodeIds[0], aNodeIds[1],
                                                           aNodeIds[2], aNodeIds[3],
@@ -622,6 +756,7 @@ DriverMED_R_SMESHDS_Mesh
                       isRenum = anIsElemNum;
                     }
                     break;
+
                   case eHEXA20:
                     aNbNodes = 20;
                     if(anIsElemNum)
@@ -660,13 +795,92 @@ DriverMED_R_SMESHDS_Mesh
                       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("Follow exception was cought:\n\t"<<exc.what());
+                  INFOS("The following exception was caught:\n\t"<<exc.what());
                   aResult = DRS_FAIL;
                 }catch(...){
-                  //INFOS("Unknown exception was cought !!!");
+                  INFOS("Unknown exception was caught !!!");
                   aResult = DRS_FAIL;
                 }
 #endif          
@@ -694,13 +908,21 @@ DriverMED_R_SMESHDS_Mesh
     }
 #ifndef _DEXCEPT_
   }catch(const std::exception& exc){
-    INFOS("Follow exception was cought:\n\t"<<exc.what());
+    INFOS("The following exception was caught:\n\t"<<exc.what());
     aResult = DRS_FAIL;
   }catch(...){
-    INFOS("Unknown exception was cought !!!");
+    INFOS("Unknown exception was caught !!!");
     aResult = DRS_FAIL;
   }
 #endif
+  if (myMesh)
+    myMesh->compactMesh();
+
+  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;
 }
@@ -716,17 +938,17 @@ list<string> DriverMED_R_SMESHDS_Mesh::GetMeshNames(Status& theStatus)
 
     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());
+        // Reading the MED mesh
+        //---------------------
+        PMeshInfo aMeshInfo = aMed->GetPMeshInfo(iMesh+1);
+        aMeshNames.push_back(aMeshInfo->GetName());
       }
     }
   }catch(const std::exception& exc){
-    INFOS("Follow exception was cought:\n\t"<<exc.what());
+    INFOS("Following exception was caught:\n\t"<<exc.what());
     theStatus = DRS_FAIL;
   }catch(...){
-    INFOS("Unknown exception was cought !!!");
+    INFOS("Unknown exception was caught !!!");
     theStatus = DRS_FAIL;
   }
 
@@ -746,13 +968,15 @@ list<TNameAndType> DriverMED_R_SMESHDS_Mesh::GetGroupNamesAndTypes()
     set<string>::const_iterator aGrNamesIter = aGroupNames.begin();
     for (; aGrNamesIter != aGroupNames.end(); aGrNamesIter++)
     {
-      TNameAndType aNameAndType = make_pair( *aGrNamesIter, aFamily->GetType() );
-      // Check, if this is a Group or SubMesh name
-//if (aName.substr(0, 5) == string("Group")) {
+      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 );
         }
-//    }
+      }
     }
   }
 
@@ -768,18 +992,21 @@ void DriverMED_R_SMESHDS_Mesh::GetGroup(SMESHDS_Group* theGroup)
   for (; aFamsIter != myFamilies.end(); aFamsIter++)
   {
     DriverMED_FamilyPtr aFamily = (*aFamsIter).second;
-    if (aFamily->GetType() == theGroup->GetType() && aFamily->MemberOf(aGroupName))
+    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();
-      const SMDS_MeshElement * element = 0;
       for (; anElemsIter != anElements.end(); anElemsIter++)
       {
-        element = *anElemsIter;
-       theGroup->SMDSGroup().Add(element);
+        const SMDS_MeshElement * element = *anElemsIter;
+        if ( element->GetType() == theGroup->GetType() ) // Issue 0020576
+          theGroup->SMDSGroup().Add(element);
       }
-      if ( element )
-        theGroup->SetType( element->GetType() );
+      int aGroupAttrVal = aFamily->GetGroupAttributVal();
+      if( aGroupAttrVal != 0)
+        theGroup->SetColorGroup(aGroupAttrVal);
+//       if ( element ) -- Issue 0020576
+//         theGroup->SetType( theGroup->SMDSGroup().GetType() );
     }
   }
 }
@@ -883,3 +1110,98 @@ bool DriverMED_R_SMESHDS_Mesh::checkFamilyID(DriverMED_FamilyPtr & aFamily, int
   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
+ * \return TRUE, if successfully. Else FALSE
+ */
+bool DriverMED_R_SMESHDS_Mesh::buildMeshGrille(const MED::PWrapper& theWrapper,
+                                               const MED::PMeshInfo& theMeshInfo)
+{
+  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 ( checkFamilyID ( aFamily, aFamNum ))
+        {
+          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 ( checkFamilyID ( aFamily, aFamNum )){
+        aFamily->AddElement(anElement);
+        aFamily->SetType(anElement->GetType());
+      }
+    }
+  }
+
+  return res;
+}