src/DriverMED/DriverMED_W_SMESHDS_Mesh.cxx

   1 // Copyright (C) 2007-2011  CEA/DEN, EDF R&D, OPEN CASCADE
   2 //
   3 // Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
   4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
   5 //
   6 // This library is free software; you can redistribute it and/or
   7 // modify it under the terms of the GNU Lesser General Public
   8 // License as published by the Free Software Foundation; either
   9 // version 2.1 of the License.
  10 //
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 // Lesser General Public License for more details.
  15 //
  16 // You should have received a copy of the GNU Lesser General Public
  17 // License along with this library; if not, write to the Free Software
  18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  19 //
  20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  21 //
  22
  23 //  SMESH DriverMED : driver to read and write 'med' files
  24 //  File   : DriverMED_W_SMESHDS_Mesh.cxx
  25 //  Module : SMESH
  26 //
  27 #include <sstream>
  28
  29 #include "DriverMED_W_SMESHDS_Mesh.h"
  30 #include "DriverMED_Family.h"
  31
  32 #include "SMESHDS_Mesh.hxx"
  33 #include "SMDS_MeshElement.hxx"
  34 #include "SMDS_MeshNode.hxx"
  35 #include "SMDS_PolyhedralVolumeOfNodes.hxx"
  36
  37 #include "utilities.h"
  38
  39 #include "MED_Utilities.hxx"
  40
  41 #define _EDF_NODE_IDS_
  42 //#define _ELEMENTS_BY_DIM_
  43
  44 using namespace std;
  45 using namespace MED;
  46
  47
  48 DriverMED_W_SMESHDS_Mesh::DriverMED_W_SMESHDS_Mesh():
  49   myAllSubMeshes (false),
  50   myDoGroupOfNodes (false),
  51   myDoGroupOfEdges (false),
  52   myDoGroupOfFaces (false),
  53   myDoGroupOfVolumes (false)
  54 {}
  55
  56 void DriverMED_W_SMESHDS_Mesh::SetFile(const std::string& theFileName,
  57                                        MED::EVersion theId)
  58 {
  59   myMed = CrWrapper(theFileName,theId);
  60   Driver_SMESHDS_Mesh::SetFile(theFileName);
  61 }
  62
  63 void DriverMED_W_SMESHDS_Mesh::SetFile(const std::string& theFileName)
  64 {
  65   return SetFile(theFileName,MED::eV2_2);
  66 }
  67
  68 string DriverMED_W_SMESHDS_Mesh::GetVersionString(const MED::EVersion theVersion, int theNbDigits)
  69 {
  70   TInt majeur, mineur, release;
  71   majeur =  mineur = release = 0;
  72 //   if ( theVersion == eV2_1 )
  73 //     MED::GetVersionRelease<eV2_1>(majeur, mineur, release);
  74 //   else
  75     MED::GetVersionRelease<eV2_2>(majeur, mineur, release);
  76   ostringstream name;
  77   if ( theNbDigits > 0 )
  78     name << majeur;
  79   if ( theNbDigits > 1 )
  80     name << "." << mineur;
  81   if ( theNbDigits > 2 )
  82     name << "." << release;
  83   return name.str();
  84 }
  85
  86 void DriverMED_W_SMESHDS_Mesh::AddGroup(SMESHDS_GroupBase* theGroup)
  87 {
  88   myGroups.push_back(theGroup);
  89 }
  90
  91 void DriverMED_W_SMESHDS_Mesh::AddAllSubMeshes()
  92 {
  93   myAllSubMeshes = true;
  94 }
  95
  96 void DriverMED_W_SMESHDS_Mesh::AddSubMesh(SMESHDS_SubMesh* theSubMesh, int theID)
  97 {
  98   mySubMeshes[theID] = theSubMesh;
  99 }
 100
 101 void DriverMED_W_SMESHDS_Mesh::AddGroupOfNodes()
 102 {
 103   myDoGroupOfNodes = true;
 104 }
 105
 106 void DriverMED_W_SMESHDS_Mesh::AddGroupOfEdges()
 107 {
 108   myDoGroupOfEdges = true;
 109 }
 110
 111 void DriverMED_W_SMESHDS_Mesh::AddGroupOfFaces()
 112 {
 113   myDoGroupOfFaces = true;
 114 }
 115
 116 void DriverMED_W_SMESHDS_Mesh::AddGroupOfVolumes()
 117 {
 118   myDoGroupOfVolumes = true;
 119 }
 120
 121 namespace{
 122   typedef double (SMDS_MeshNode::* TGetCoord)() const;
 123   typedef const char* TName;
 124   typedef const char* TUnit;
 125
 126   // name length in a mesh must be equal to 16 :
 127   //         1234567890123456
 128   TName M = "m               ";
 129   TName X = "x               ";
 130   TName Y = "y               ";
 131   TName Z = "z               ";
 132
 133   TUnit aUnit[3] = {M,M,M};
 134
 135   // 3 dim
 136   TGetCoord aXYZGetCoord[3] = {
 137     &SMDS_MeshNode::X,
 138     &SMDS_MeshNode::Y,
 139     &SMDS_MeshNode::Z
 140   };
 141   TName aXYZName[3] = {X,Y,Z};
 142
 143   // 2 dim
 144   TGetCoord aXYGetCoord[2] = {
 145     &SMDS_MeshNode::X,
 146     &SMDS_MeshNode::Y
 147   };
 148   TName aXYName[2] = {X,Y};
 149
 150   TGetCoord aYZGetCoord[2] = {
 151     &SMDS_MeshNode::Y,
 152     &SMDS_MeshNode::Z
 153   };
 154   TName aYZName[2] = {Y,Z};
 155
 156   TGetCoord aXZGetCoord[2] = {
 157     &SMDS_MeshNode::X,
 158     &SMDS_MeshNode::Z
 159   };
 160   TName aXZName[2] = {X,Z};
 161
 162   // 1 dim
 163   TGetCoord aXGetCoord[1] = {
 164     &SMDS_MeshNode::X
 165   };
 166   TName aXName[1] = {X};
 167
 168   TGetCoord aYGetCoord[1] = {
 169     &SMDS_MeshNode::Y
 170   };
 171   TName aYName[1] = {Y};
 172
 173   TGetCoord aZGetCoord[1] = {
 174     &SMDS_MeshNode::Z
 175   };
 176   TName aZName[1] = {Z};
 177
 178
 179   class TCoordHelper{
 180     SMDS_NodeIteratorPtr myNodeIter;
 181     const SMDS_MeshNode* myCurrentNode;
 182     TGetCoord* myGetCoord;
 183     TName* myName;
 184     TUnit* myUnit;
 185   public:
 186     TCoordHelper(const SMDS_NodeIteratorPtr& theNodeIter,
 187                  TGetCoord* theGetCoord,
 188                  TName* theName,
 189                  TUnit* theUnit = aUnit):
 190       myNodeIter(theNodeIter),
 191       myGetCoord(theGetCoord),
 192       myName(theName),
 193       myUnit(theUnit)
 194     {}
 195     virtual ~TCoordHelper(){}
 196     bool Next(){
 197       return myNodeIter->more() &&
 198         (myCurrentNode = myNodeIter->next());
 199     }
 200     const SMDS_MeshNode* GetNode(){
 201       return myCurrentNode;
 202     }
 203     MED::TIntVector::value_type GetID(){
 204       return myCurrentNode->GetID();
 205     }
 206     MED::TFloatVector::value_type GetCoord(TInt theCoodId){
 207       return (myCurrentNode->*myGetCoord[theCoodId])();
 208     }
 209     MED::TStringVector::value_type GetName(TInt theDimId){
 210       return myName[theDimId];
 211     }
 212     MED::TStringVector::value_type GetUnit(TInt theDimId){
 213       return myUnit[theDimId];
 214     }
 215   };
 216   typedef boost::shared_ptr<TCoordHelper> TCoordHelperPtr;
 217
 218
 219   //-------------------------------------------------------
 220   /*!
 221    * \brief Class helping to use either SMDS_0DElementIterator,
 222    * SMDS_EdgeIterator, SMDS_FaceIterator or SMDS_VolumeIterator
 223    * in the same code
 224    */
 225   //-------------------------------------------------------
 226   struct TElemIterator
 227   {
 228     virtual const SMDS_MeshElement* next() = 0;
 229     virtual ~TElemIterator() {}
 230   };
 231   typedef boost::shared_ptr<TElemIterator> PElemIterator;
 232
 233   template< class SMDSIteratorPtr > class TypedElemIterator: public TElemIterator
 234   {
 235     SMDSIteratorPtr myItPtr;
 236   public:
 237     TypedElemIterator(SMDSIteratorPtr it): myItPtr(it) {}
 238     virtual const SMDS_MeshElement* next() {
 239       if ( myItPtr->more() ) return myItPtr->next();
 240       else                   return 0;
 241     }
 242   };
 243   typedef TypedElemIterator< SMDS_0DElementIteratorPtr > T0DElementIterator;
 244   typedef TypedElemIterator< SMDS_EdgeIteratorPtr > TEdgeIterator;
 245   typedef TypedElemIterator< SMDS_FaceIteratorPtr > TFaceIterator;
 246   typedef TypedElemIterator< SMDS_VolumeIteratorPtr > TVolumeIterator;
 247
 248   //-------------------------------------------------------
 249   /*!
 250    * \brief Structure describing element type
 251    */
 252   //-------------------------------------------------------
 253   struct TElemTypeData
 254   {
 255     EEntiteMaillage     _entity;
 256     EGeometrieElement   _geomType;
 257     TInt                _nbElems;
 258     SMDSAbs_ElementType _smdsType;
 259
 260     TElemTypeData (EEntiteMaillage entity, EGeometrieElement geom, TInt nb, SMDSAbs_ElementType type)
 261       : _entity(entity), _geomType(geom), _nbElems( nb ), _smdsType( type ) {}
 262   };
 263
 264
 265   typedef NCollection_DataMap< Standard_Address, int > TElemFamilyMap;
 266   //typedef map<const SMDS_MeshElement *, int> TElemFamilyMap;
 267
 268   //================================================================================
 269   /*!
 270    * \brief Fills element to famaly ID map for element type.
 271    * Removes all families of anElemType
 272    */
 273   //================================================================================
 274
 275   void fillElemFamilyMap( TElemFamilyMap &            anElemFamMap,
 276                           list<DriverMED_FamilyPtr> & aFamilies,
 277                           const SMDSAbs_ElementType   anElemType)
 278   {
 279     anElemFamMap.Clear();
 280     //anElemFamMap.clear();
 281     list<DriverMED_FamilyPtr>::iterator aFamsIter = aFamilies.begin();
 282     while ( aFamsIter != aFamilies.end() )
 283     {
 284       if ((*aFamsIter)->GetType() != anElemType) {
 285         aFamsIter++;
 286       }
 287       else {
 288         int aFamId = (*aFamsIter)->GetId();
 289         const set<const SMDS_MeshElement *>& anElems = (*aFamsIter)->GetElements();
 290         set<const SMDS_MeshElement *>::const_iterator anElemsIter = anElems.begin();
 291         for (; anElemsIter != anElems.end(); anElemsIter++)
 292         {
 293           anElemFamMap.Bind( (Standard_Address)*anElemsIter, aFamId );
 294           //anElemFamMap[*anElemsIter] = aFamId;
 295         }
 296         // remove a family from the list
 297         aFamilies.erase( aFamsIter++ );
 298       }
 299     }
 300   }
 301
 302   //================================================================================
 303   /*!
 304    * \brief For an element, return family ID found in the map or a default one
 305    */
 306   //================================================================================
 307
 308   int getFamilyId( const TElemFamilyMap &  anElemFamMap,
 309                    const SMDS_MeshElement* anElement,
 310                    const int               aDefaultFamilyId)
 311   {
 312     if ( anElemFamMap.IsBound( (Standard_Address) anElement ))
 313       return anElemFamMap( (Standard_Address) anElement );
 314 //     TElemFamilyMap::iterator elem_famNum = anElemFamMap.find( anElement );
 315 //     if ( elem_famNum != anElemFamMap.end() )
 316 //       return elem_famNum->second;
 317     return aDefaultFamilyId;
 318   }
 319 }
 320
 321 Driver_Mesh::Status DriverMED_W_SMESHDS_Mesh::Perform()
 322 {
 323   Status aResult = DRS_OK;
 324   if (myMesh->hasConstructionEdges() || myMesh->hasConstructionFaces()) {
 325     INFOS("SMDS_MESH with hasConstructionEdges() or hasConstructionFaces() do not supports!!!");
 326     return DRS_FAIL;
 327   }
 328   try {
 329     MESSAGE("Perform - myFile : "<<myFile);
 330
 331     // Creating the MED mesh for corresponding SMDS structure
 332     //-------------------------------------------------------
 333     string aMeshName;
 334     if (myMeshId != -1) {
 335       ostringstream aMeshNameStr;
 336       aMeshNameStr<<myMeshId;
 337       aMeshName = aMeshNameStr.str();
 338     } else {
 339       aMeshName = myMeshName;
 340     }
 341
 342     // Mesh dimension definition
 343     TInt aSpaceDimension;
 344     TCoordHelperPtr aCoordHelperPtr;
 345     {
 346       bool anIsXDimension = false;
 347       bool anIsYDimension = false;
 348       bool anIsZDimension = false;
 349       {
 350         SMDS_NodeIteratorPtr aNodesIter = myMesh->nodesIterator();
 351         double aBounds[6];
 352         if(aNodesIter->more()){
 353           const SMDS_MeshNode* aNode = aNodesIter->next();
 354           aBounds[0] = aBounds[1] = aNode->X();
 355           aBounds[2] = aBounds[3] = aNode->Y();
 356           aBounds[4] = aBounds[5] = aNode->Z();
 357         }
 358         while(aNodesIter->more()){
 359           const SMDS_MeshNode* aNode = aNodesIter->next();
 360           aBounds[0] = min(aBounds[0],aNode->X());
 361           aBounds[1] = max(aBounds[1],aNode->X());
 362
 363           aBounds[2] = min(aBounds[2],aNode->Y());
 364           aBounds[3] = max(aBounds[3],aNode->Y());
 365
 366           aBounds[4] = min(aBounds[4],aNode->Z());
 367           aBounds[5] = max(aBounds[5],aNode->Z());
 368         }
 369
 370         double EPS = 1.0E-7;
 371         anIsXDimension = (aBounds[1] - aBounds[0]) + abs(aBounds[1]) + abs(aBounds[0]) > EPS;
 372         anIsYDimension = (aBounds[3] - aBounds[2]) + abs(aBounds[3]) + abs(aBounds[2]) > EPS;
 373         anIsZDimension = (aBounds[5] - aBounds[4]) + abs(aBounds[5]) + abs(aBounds[4]) > EPS;
 374         aSpaceDimension = anIsXDimension + anIsYDimension + anIsZDimension;
 375         if(!aSpaceDimension)
 376           aSpaceDimension = 3;
 377         // PAL16857(SMESH not conform to the MED convention):
 378         if ( aSpaceDimension == 2 && anIsZDimension ) // 2D only if mesh is in XOY plane
 379           aSpaceDimension = 3;
 380         // PAL18941(a saved study with a mesh belong Z is opened and the mesh is belong X)
 381         if ( aSpaceDimension == 1 && !anIsXDimension ) {// 1D only if mesh is along OX
 382           if ( anIsYDimension ) {
 383             aSpaceDimension = 2;
 384             anIsXDimension = true;
 385           } else {
 386             aSpaceDimension = 3;
 387           }
 388         }
 389       }
 390
 391       SMDS_NodeIteratorPtr aNodesIter = myMesh->nodesIterator(/*idInceasingOrder=*/true);
 392       switch(aSpaceDimension){
 393       case 3:
 394         aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aXYZGetCoord,aXYZName));
 395         break;
 396       case 2:
 397         if(anIsXDimension && anIsYDimension)
 398           aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aXYGetCoord,aXYName));
 399         if(anIsYDimension && anIsZDimension)
 400           aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aYZGetCoord,aYZName));
 401         if(anIsXDimension && anIsZDimension)
 402           aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aXZGetCoord,aXZName));
 403         break;
 404       case 1:
 405         if(anIsXDimension)
 406           aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aXGetCoord,aXName));
 407         if(anIsYDimension)
 408           aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aYGetCoord,aYName));
 409         if(anIsZDimension)
 410           aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aZGetCoord,aZName));
 411         break;
 412       }
 413     }
 414     TInt aMeshDimension = 0;
 415     if ( myMesh->NbEdges() > 0 )
 416       aMeshDimension = 1;
 417     if ( myMesh->NbFaces() > 0 )
 418       aMeshDimension = 2;
 419     if ( myMesh->NbVolumes() > 0 )
 420       aMeshDimension = 3;
 421
 422     PMeshInfo aMeshInfo = myMed->CrMeshInfo(aMeshDimension,aSpaceDimension,aMeshName);
 423     MESSAGE("Add - aMeshName : "<<aMeshName<<"; "<<aMeshInfo->GetName());
 424     myMed->SetMeshInfo(aMeshInfo);
 425
 426     // Storing SMDS groups and sub-meshes as med families
 427     //----------------------------------------------------
 428     int myNodesDefaultFamilyId   = 0;
 429     int my0DElementsDefaultFamilyId = 0;
 430     int myEdgesDefaultFamilyId   = 0;
 431     int myFacesDefaultFamilyId   = 0;
 432     int myVolumesDefaultFamilyId = 0;
 433     int nbNodes   = myMesh->NbNodes();
 434     //int nb0DElements = myMesh->Nb0DElements();
 435     int nbEdges   = myMesh->NbEdges();
 436     int nbFaces   = myMesh->NbFaces();
 437     int nbVolumes = myMesh->NbVolumes();
 438     if (myDoGroupOfNodes && nbNodes)
 439       myNodesDefaultFamilyId = REST_NODES_FAMILY;
 440     if (myDoGroupOfEdges && nbEdges)
 441       myEdgesDefaultFamilyId = REST_EDGES_FAMILY;
 442     if (myDoGroupOfFaces && nbFaces)
 443       myFacesDefaultFamilyId = REST_FACES_FAMILY;
 444     if (myDoGroupOfVolumes && nbVolumes)
 445       myVolumesDefaultFamilyId = REST_VOLUMES_FAMILY;
 446
 447     MESSAGE("Perform - aFamilyInfo");
 448     //cout << " DriverMED_Family::MakeFamilies() " << endl;
 449     list<DriverMED_FamilyPtr> aFamilies;
 450     if (myAllSubMeshes) {
 451       aFamilies = DriverMED_Family::MakeFamilies
 452         (myMesh->SubMeshes(), myGroups,
 453          myDoGroupOfNodes   && nbNodes,
 454          myDoGroupOfEdges   && nbEdges,
 455          myDoGroupOfFaces   && nbFaces,
 456          myDoGroupOfVolumes && nbVolumes);
 457     } else {
 458       aFamilies = DriverMED_Family::MakeFamilies
 459         (mySubMeshes, myGroups,
 460          myDoGroupOfNodes   && nbNodes,
 461          myDoGroupOfEdges   && nbEdges,
 462          myDoGroupOfFaces   && nbFaces,
 463          myDoGroupOfVolumes && nbVolumes);
 464     }
 465     //cout << " myMed->SetFamilyInfo() " << endl;
 466     list<DriverMED_FamilyPtr>::iterator aFamsIter;
 467     for (aFamsIter = aFamilies.begin(); aFamsIter != aFamilies.end(); aFamsIter++)
 468     {
 469       PFamilyInfo aFamilyInfo = (*aFamsIter)->GetFamilyInfo(myMed,aMeshInfo);
 470       myMed->SetFamilyInfo(aFamilyInfo);
 471     }
 472
 473     // Storing SMDS nodes to the MED file for the MED mesh
 474     //----------------------------------------------------
 475 #ifdef _EDF_NODE_IDS_
 476     typedef map<TInt,TInt> TNodeIdMap;
 477     TNodeIdMap aNodeIdMap;
 478 #endif
 479     const EModeSwitch   theMode        = eFULL_INTERLACE;
 480     const ERepere       theSystem      = eCART;
 481     const EBooleen      theIsElemNum   = eVRAI;
 482     const EBooleen      theIsElemNames = eFAUX;
 483     const EConnectivite theConnMode    = eNOD;
 484
 485     TInt aNbNodes = myMesh->NbNodes();
 486     //cout << " myMed->CrNodeInfo() aNbNodes = " << aNbNodes << endl;
 487     PNodeInfo aNodeInfo = myMed->CrNodeInfo(aMeshInfo, aNbNodes,
 488                                             theMode, theSystem, theIsElemNum, theIsElemNames);
 489
 490     //cout << " fillElemFamilyMap( SMDSAbs_Node )" << endl;
 491     // find family numbers for nodes
 492     TElemFamilyMap anElemFamMap;
 493     fillElemFamilyMap( anElemFamMap, aFamilies, SMDSAbs_Node );
 494
 495     for (TInt iNode = 0; aCoordHelperPtr->Next(); iNode++)
 496     {
 497       // coordinates
 498       TCoordSlice aTCoordSlice = aNodeInfo->GetCoordSlice( iNode );
 499       for(TInt iCoord = 0; iCoord < aSpaceDimension; iCoord++){
 500         aTCoordSlice[iCoord] = aCoordHelperPtr->GetCoord(iCoord);
 501       }
 502       // node number
 503       int aNodeID = aCoordHelperPtr->GetID();
 504       aNodeInfo->SetElemNum( iNode, aNodeID );
 505 #ifdef _EDF_NODE_IDS_
 506       aNodeIdMap[aNodeID] = iNode+1;
 507 #endif
 508       // family number
 509       const SMDS_MeshNode* aNode = aCoordHelperPtr->GetNode();
 510       int famNum = getFamilyId( anElemFamMap, aNode, myNodesDefaultFamilyId );
 511       aNodeInfo->SetFamNum( iNode, famNum );
 512     }
 513     anElemFamMap.Clear();
 514
 515     // coordinate names and units
 516     for (TInt iCoord = 0; iCoord < aSpaceDimension; iCoord++) {
 517       aNodeInfo->SetCoordName( iCoord, aCoordHelperPtr->GetName(iCoord));
 518       aNodeInfo->SetCoordUnit( iCoord, aCoordHelperPtr->GetUnit(iCoord));
 519     }
 520
 521     //cout << " SetNodeInfo(aNodeInfo)" << endl;
 522     MESSAGE("Perform - aNodeInfo->GetNbElem() = "<<aNbNodes);
 523     myMed->SetNodeInfo(aNodeInfo);
 524     aNodeInfo.reset(); // free memory used for arrays
 525
 526
 527     // Storing SMDS elements to the MED file for the MED mesh
 528     //-------------------------------------------------------
 529     // Write one element type at once in order to minimize memory usage (PAL19276)
 530
 531     const SMDS_MeshInfo& nbElemInfo = myMesh->GetMeshInfo();
 532
 533     // poly elements are not supported by med-2.1
 534     bool polyTypesSupported = myMed->CrPolygoneInfo(aMeshInfo,eMAILLE,ePOLYGONE,0,0);
 535     TInt nbPolygonNodes = 0, nbPolyhedronNodes = 0, nbPolyhedronFaces = 0;
 536
 537     // collect info on all geom types
 538
 539     list< TElemTypeData > aTElemTypeDatas;
 540
 541     EEntiteMaillage anEntity = eMAILLE;
 542 #ifdef _ELEMENTS_BY_DIM_
 543     anEntity = eNOEUD_ELEMENT;
 544 #endif
 545     aTElemTypeDatas.push_back(TElemTypeData(anEntity,
 546                                             ePOINT1,
 547                                             nbElemInfo.Nb0DElements(),
 548                                             SMDSAbs_0DElement));
 549 #ifdef _ELEMENTS_BY_DIM_
 550     anEntity = eARETE;
 551 #endif
 552     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 553                                             eSEG2,
 554                                             nbElemInfo.NbEdges( ORDER_LINEAR ),
 555                                             SMDSAbs_Edge));
 556     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 557                                             eSEG3,
 558                                             nbElemInfo.NbEdges( ORDER_QUADRATIC ),
 559                                             SMDSAbs_Edge));
 560 #ifdef _ELEMENTS_BY_DIM_
 561     anEntity = eFACE;
 562 #endif
 563     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 564                                             eTRIA3,
 565                                             nbElemInfo.NbTriangles( ORDER_LINEAR ),
 566                                             SMDSAbs_Face));
 567     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 568                                             eTRIA6,
 569                                             nbElemInfo.NbTriangles( ORDER_QUADRATIC ),
 570                                             SMDSAbs_Face));
 571     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 572                                             eQUAD4,
 573                                             nbElemInfo.NbQuadrangles( ORDER_LINEAR ),
 574                                             SMDSAbs_Face));
 575     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 576                                             eQUAD8,
 577                                             nbElemInfo.NbQuadrangles( ORDER_QUADRATIC ),
 578                                             SMDSAbs_Face));
 579     if ( polyTypesSupported ) {
 580       aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 581                                                ePOLYGONE,
 582                                                nbElemInfo.NbPolygons(),
 583                                                SMDSAbs_Face));
 584       // we need one more loop on poly elements to count nb of their nodes
 585       aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 586                                                ePOLYGONE,
 587                                                nbElemInfo.NbPolygons(),
 588                                                SMDSAbs_Face));
 589     }
 590 #ifdef _ELEMENTS_BY_DIM_
 591     anEntity = eMAILLE;
 592 #endif
 593     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 594                                             eTETRA4,
 595                                             nbElemInfo.NbTetras( ORDER_LINEAR ),
 596                                             SMDSAbs_Volume));
 597     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 598                                             eTETRA10,
 599                                             nbElemInfo.NbTetras( ORDER_QUADRATIC ),
 600                                             SMDSAbs_Volume));
 601     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 602                                             ePYRA5,
 603                                             nbElemInfo.NbPyramids( ORDER_LINEAR ),
 604                                             SMDSAbs_Volume));
 605     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 606                                             ePYRA13,
 607                                             nbElemInfo.NbPyramids( ORDER_QUADRATIC ),
 608                                             SMDSAbs_Volume));
 609     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 610                                             ePENTA6,
 611                                             nbElemInfo.NbPrisms( ORDER_LINEAR ),
 612                                             SMDSAbs_Volume));
 613     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 614                                              ePENTA15,
 615                                              nbElemInfo.NbPrisms( ORDER_QUADRATIC ),
 616                                              SMDSAbs_Volume));
 617     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 618                                              eHEXA8,
 619                                              nbElemInfo.NbHexas( ORDER_LINEAR ),
 620                                              SMDSAbs_Volume));
 621     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 622                                              eHEXA20,
 623                                              nbElemInfo.NbHexas( ORDER_QUADRATIC ),
 624                                              SMDSAbs_Volume));
 625     if ( polyTypesSupported ) {
 626       //MESSAGE("polyTypesSupported");
 627       aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 628                                                ePOLYEDRE,
 629                                                nbElemInfo.NbPolyhedrons(),
 630                                                SMDSAbs_Volume));
 631       // we need one more loop on poly elements to count nb of their nodes
 632       aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 633                                                ePOLYEDRE,
 634                                                nbElemInfo.NbPolyhedrons(),
 635                                                SMDSAbs_Volume));
 636     }
 637
 638     vector< bool > isElemFamMapBuilt( SMDSAbs_NbElementTypes, false );
 639
 640     // loop on all geom types of elements
 641
 642     list< TElemTypeData >::iterator aElemTypeData = aTElemTypeDatas.begin();
 643     for ( ; aElemTypeData != aTElemTypeDatas.end(); ++aElemTypeData )
 644     {
 645       if ( aElemTypeData->_nbElems == 0 )
 646         continue;
 647
 648       // iterator on elements of a current type
 649       PElemIterator elemIterator;
 650       int defaultFamilyId = 0;
 651       switch ( aElemTypeData->_smdsType ) {
 652       case SMDSAbs_0DElement:
 653         elemIterator = PElemIterator( new T0DElementIterator( myMesh->elements0dIterator() ));
 654         defaultFamilyId = my0DElementsDefaultFamilyId;
 655         break;
 656       case SMDSAbs_Edge:
 657         elemIterator = PElemIterator( new TEdgeIterator( myMesh->edgesIterator() ));
 658         defaultFamilyId = myEdgesDefaultFamilyId;
 659         break;
 660       case SMDSAbs_Face:
 661         elemIterator = PElemIterator( new TFaceIterator( myMesh->facesIterator() ));
 662         defaultFamilyId = myFacesDefaultFamilyId;
 663         break;
 664       case SMDSAbs_Volume:
 665         elemIterator = PElemIterator( new TVolumeIterator( myMesh->volumesIterator() ));
 666         defaultFamilyId = myVolumesDefaultFamilyId;
 667         break;
 668       default:
 669         continue;
 670       }
 671       int iElem = 0;
 672
 673       //cout << " Treat type " << aElemTypeData->_geomType << " nb = " <<aElemTypeData->_nbElems<< endl;
 674       // Treat POLYGONs
 675       // ---------------
 676       if ( aElemTypeData->_geomType == ePOLYGONE )
 677       {
 678         if ( nbPolygonNodes == 0 ) {
 679           // Count nb of nodes
 680           while ( const SMDS_MeshElement* anElem = elemIterator->next() ) {
 681             if ( anElem->IsPoly() ) {
 682               nbPolygonNodes += anElem->NbNodes();
 683               if ( ++iElem == aElemTypeData->_nbElems )
 684                 break;
 685             }
 686           }
 687         }
 688         else {
 689           // Store in med file
 690           PPolygoneInfo aPolygoneInfo = myMed->CrPolygoneInfo(aMeshInfo,
 691                                                               aElemTypeData->_entity,
 692                                                               aElemTypeData->_geomType,
 693                                                               aElemTypeData->_nbElems,
 694                                                               nbPolygonNodes,
 695                                                               theConnMode, theIsElemNum,
 696                                                               theIsElemNames);
 697           TElemNum & index = *(aPolygoneInfo->myIndex.get());
 698           index[0] = 1;
 699
 700           while ( const SMDS_MeshElement* anElem = elemIterator->next() )
 701           {
 702             if ( !anElem->IsPoly() )
 703               continue;
 704
 705             // index
 706             TInt aNbNodes = anElem->NbNodes();
 707             index[ iElem+1 ] = index[ iElem ] + aNbNodes;
 708
 709             // connectivity
 710             TConnSlice aTConnSlice = aPolygoneInfo->GetConnSlice( iElem );
 711             for(TInt iNode = 0; iNode < aNbNodes; iNode++) {
 712               const SMDS_MeshElement* aNode = anElem->GetNode( iNode );
 713 #ifdef _EDF_NODE_IDS_
 714               aTConnSlice[ iNode ] = aNodeIdMap[aNode->GetID()];
 715 #else
 716               aTConnSlice[ iNode ] = aNode->GetID();
 717 #endif
 718             }
 719             // element number
 720             aPolygoneInfo->SetElemNum( iElem, anElem->GetID() );
 721
 722             // family number
 723             int famNum = getFamilyId( anElemFamMap, anElem, defaultFamilyId );
 724             aPolygoneInfo->SetFamNum( iElem, famNum );
 725
 726             if ( ++iElem == aPolygoneInfo->GetNbElem() )
 727               break;
 728           }
 729           //       if(TInt aNbElems = aPolygoneElemNums.size())
 730           //         // add one element in connectivities,
 731           //         // referenced by the last element in indices
 732           //         aPolygoneConn.push_back(0);
 733           //cout << " SetPolygoneInfo(aPolygoneInfo)" << endl;
 734           myMed->SetPolygoneInfo(aPolygoneInfo);
 735         }
 736
 737       }
 738
 739       // Treat POLYEDREs
 740       // ----------------
 741       else if (aElemTypeData->_geomType == ePOLYEDRE )
 742       {
 743         //MESSAGE("_geomType == ePOLYEDRE");
 744         if ( nbPolyhedronNodes == 0 ) {
 745           // Count nb of nodes
 746           while ( const SMDS_MeshElement* anElem = elemIterator->next() ) {
 747               const SMDS_VtkVolume *aPolyedre = dynamic_cast<const SMDS_VtkVolume*>(anElem);
 748               if ( aPolyedre && aPolyedre->IsPoly()) {
 749               nbPolyhedronNodes += aPolyedre->NbNodes();
 750               nbPolyhedronFaces += aPolyedre->NbFaces();
 751               if ( ++iElem == aElemTypeData->_nbElems )
 752                 break;
 753             }
 754           }
 755           //MESSAGE("nbPolyhedronNodes=" << nbPolyhedronNodes);
 756           //MESSAGE("nbPolyhedronFaces=" << nbPolyhedronFaces);
 757           //MESSAGE("_nbElems="<< aElemTypeData->_nbElems);
 758         }
 759         else {
 760           // Store in med file
 761           PPolyedreInfo aPolyhInfo = myMed->CrPolyedreInfo(aMeshInfo,
 762                                                            aElemTypeData->_entity,
 763                                                            aElemTypeData->_geomType,
 764                                                            aElemTypeData->_nbElems,
 765                                                            nbPolyhedronFaces+1,
 766                                                            nbPolyhedronNodes,
 767                                                            theConnMode,
 768                                                            theIsElemNum,
 769                                                            theIsElemNames);
 770           TElemNum & index = *(aPolyhInfo->myIndex.get());
 771           TElemNum & faces = *(aPolyhInfo->myFaces.get());
 772           TElemNum & conn  = *(aPolyhInfo->myConn.get());
 773           index[0] = 1;
 774           faces[0] = 1;
 775
 776           TInt iFace = 0, iNode = 0;
 777           while ( const SMDS_MeshElement* anElem = elemIterator->next() )
 778           {
 779             const SMDS_VtkVolume *aPolyedre = dynamic_cast<const SMDS_VtkVolume*>(anElem);
 780             if ( !aPolyedre )
 781               continue;
 782             if ( !aPolyedre->IsPoly() )
 783               continue;
 784             //MESSAGE("index[" << iElem << "]=" << index[iElem] << " iElem=" << iElem);
 785             // index
 786             TInt aNbFaces = aPolyedre->NbFaces();
 787             index[ iElem+1 ] = index[ iElem ] + aNbFaces;
 788             //MESSAGE("index[" << iElem+1 << "]=" << index[iElem+1] << " iElem=" << iElem);
 789
 790             // face index
 791             for (TInt f = 1; f <= aNbFaces; ++f, ++iFace ) {
 792               int aNbFaceNodes = aPolyedre->NbFaceNodes( f );
 793               faces[ iFace+1 ] = faces[ iFace ] + aNbFaceNodes;
 794               //MESSAGE("faces[" << iFace+1 << "]=" << faces[iFace+1] << " iFace=" << iFace);
 795             }
 796             // connectivity
 797             SMDS_ElemIteratorPtr nodeIt = anElem->nodesIterator();
 798             while ( nodeIt->more() ) {
 799               const SMDS_MeshElement* aNode = nodeIt->next();
 800 #ifdef _EDF_NODE_IDS_
 801               conn[ iNode ] = aNodeIdMap[aNode->GetID()];
 802               //MESSAGE("conn["<< iNode << "]=" << conn[iNode] << " aNode->GetID()=" << aNode->GetID());
 803 #else
 804               conn[ iNode ] = aNode->GetID();
 805               //MESSAGE("conn["<< iNode << "]=" << conn[iNode]);
 806 #endif
 807               ++iNode;
 808             }
 809             // element number
 810             aPolyhInfo->SetElemNum( iElem, anElem->GetID() );
 811
 812             // family number
 813             int famNum = getFamilyId( anElemFamMap, anElem, defaultFamilyId );
 814             aPolyhInfo->SetFamNum( iElem, famNum );
 815
 816             if ( ++iElem == aPolyhInfo->GetNbElem() )
 817               break;
 818           }
 819           //cout << " SetPolyedreInfo(aPolyhInfo )" << endl;
 820           myMed->SetPolyedreInfo(aPolyhInfo);
 821         }
 822       } // if (aElemTypeData->_geomType == ePOLYEDRE )
 823
 824       else
 825       {
 826         // Treat standard types
 827         // ---------------------
 828
 829         // allocate data arrays
 830         PCellInfo aCellInfo = myMed->CrCellInfo( aMeshInfo,
 831                                                  aElemTypeData->_entity,
 832                                                  aElemTypeData->_geomType,
 833                                                  aElemTypeData->_nbElems,
 834                                                  theConnMode,
 835                                                  theIsElemNum,
 836                                                  theIsElemNames);
 837         // build map of family numbers for this type
 838         if ( !isElemFamMapBuilt[ aElemTypeData->_smdsType ])
 839         {
 840           //cout << " fillElemFamilyMap()" << endl;
 841           fillElemFamilyMap( anElemFamMap, aFamilies, aElemTypeData->_smdsType );
 842           isElemFamMapBuilt[ aElemTypeData->_smdsType ] = true;
 843         }
 844
 845         TInt aNbNodes = MED::GetNbNodes(aElemTypeData->_geomType);
 846         while ( const SMDS_MeshElement* anElem = elemIterator->next() )
 847         {
 848           if ( anElem->NbNodes() != aNbNodes || anElem->IsPoly() )
 849             continue; // other geometry
 850
 851           // connectivity
 852           TConnSlice aTConnSlice = aCellInfo->GetConnSlice( iElem );
 853           for (TInt iNode = 0; iNode < aNbNodes; iNode++) {
 854             const SMDS_MeshElement* aNode = anElem->GetNode( iNode );
 855 #ifdef _EDF_NODE_IDS_
 856             aTConnSlice[ iNode ] = aNodeIdMap[aNode->GetID()];
 857 #else
 858             aTConnSlice[ iNode ] = aNode->GetID();
 859 #endif
 860           }
 861           // element number
 862           aCellInfo->SetElemNum( iElem, anElem->GetID() );
 863
 864           // family number
 865           int famNum = getFamilyId( anElemFamMap, anElem, defaultFamilyId );
 866           aCellInfo->SetFamNum( iElem, famNum );
 867
 868           if ( ++iElem == aCellInfo->GetNbElem() )
 869             break;
 870         }
 871         // store data in a file
 872         //cout << " SetCellInfo(aCellInfo)" << endl;
 873         myMed->SetCellInfo(aCellInfo);
 874       }
 875
 876     } // loop on geom types
 877
 878
 879   }
 880   catch(const std::exception& exc) {
 881     INFOS("The following exception was caught:\n\t"<<exc.what());
 882     throw;
 883   }
 884   catch(...) {
 885     INFOS("Unknown exception was caught !!!");
 886     throw;
 887   }
 888
 889   myMeshId = -1;
 890   myGroups.clear();
 891   mySubMeshes.clear();
 892   return aResult;
 893 }