src/DriverMED/DriverMED_W_SMESHDS_Mesh.cxx

   1 // Copyright (C) 2007-2021  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, or (at your option) any later version.
  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 //
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  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
  28 #include "DriverMED_W_SMESHDS_Mesh.h"
  29
  30 #include "DriverMED_Family.h"
  31 #include "MED_Factory.hxx"
  32 #include "MED_Utilities.hxx"
  33 #include "SMDS_IteratorOnIterators.hxx"
  34 #include "SMDS_MeshNode.hxx"
  35 #include "SMDS_SetIterator.hxx"
  36 #include "SMESHDS_Mesh.hxx"
  37 #include "MED_Common.hxx"
  38 #include "MED_TFile.hxx"
  39
  40 #include <med.h>
  41
  42 #include <BRep_Tool.hxx>
  43 #include <TopExp_Explorer.hxx>
  44 #include <TopoDS.hxx>
  45
  46 #include <utilities.h>
  47
  48
  49 #define _EDF_NODE_IDS_
  50 //#define _ELEMENTS_BY_DIM_
  51
  52 using namespace std;
  53 using namespace MED;
  54
  55
  56 DriverMED_W_SMESHDS_Mesh::DriverMED_W_SMESHDS_Mesh():
  57   myAllSubMeshes (false),
  58   myDoGroupOfNodes (false),
  59   myDoGroupOfEdges (false),
  60   myDoGroupOfFaces (false),
  61   myDoGroupOfVolumes (false),
  62   myDoGroupOf0DElems(false),
  63   myDoGroupOfBalls(false),
  64   myAutoDimension(false),
  65   myAddODOnVertices(false),
  66   myDoAllInGroups(false),
  67   myVersion(-1),
  68   myZTolerance(-1.)
  69 {}
  70
  71 void DriverMED_W_SMESHDS_Mesh::SetFile(const std::string& theFileName, int theVersion)
  72 {
  73   myVersion = theVersion;
  74   Driver_SMESHDS_Mesh::SetFile(theFileName);
  75 }
  76
  77 /*!
  78  * MED version is either the latest available, or with an inferior minor,
  79  * to ensure backward compatibility on writing med files.
  80  */
  81 string DriverMED_W_SMESHDS_Mesh::GetVersionString(int theMinor, int theNbDigits)
  82 {
  83   TInt majeur, mineur, release;
  84   majeur=MED_MAJOR_NUM;
  85   mineur=MED_MINOR_NUM;
  86   release=MED_RELEASE_NUM;
  87   TInt imposedMineur = mineur;
  88
  89   if (theMinor < 0)
  90     imposedMineur = mineur;
  91   else if (theMinor > MED_MINOR_NUM)
  92     imposedMineur = mineur;
  93   else
  94     imposedMineur = theMinor;
  95
  96   ostringstream name;
  97   if ( theNbDigits > 0 )
  98     name << majeur;
  99   if ( theNbDigits > 1 )
 100     name << "." << imposedMineur;
 101   if ( theNbDigits > 2 )
 102     name << "." << release;
 103   return name.str();
 104 }
 105
 106 void DriverMED_W_SMESHDS_Mesh::AddGroup(SMESHDS_GroupBase* theGroup)
 107 {
 108   myGroups.push_back(theGroup);
 109 }
 110
 111 void DriverMED_W_SMESHDS_Mesh::AddAllSubMeshes()
 112 {
 113   myAllSubMeshes = true;
 114 }
 115
 116 void DriverMED_W_SMESHDS_Mesh::AddSubMesh(SMESHDS_SubMesh* theSubMesh, int /*theID*/)
 117 {
 118   mySubMeshes.push_back( theSubMesh );
 119 }
 120
 121 void DriverMED_W_SMESHDS_Mesh::AddGroupOfNodes()
 122 {
 123   myDoGroupOfNodes = true;
 124 }
 125
 126 void DriverMED_W_SMESHDS_Mesh::AddGroupOfEdges()
 127 {
 128   myDoGroupOfEdges = true;
 129 }
 130
 131 void DriverMED_W_SMESHDS_Mesh::AddGroupOfFaces()
 132 {
 133   myDoGroupOfFaces = true;
 134 }
 135
 136 void DriverMED_W_SMESHDS_Mesh::AddGroupOfVolumes()
 137 {
 138   myDoGroupOfVolumes = true;
 139 }
 140
 141 void DriverMED_W_SMESHDS_Mesh::AddGroupOf0DElems()
 142 {
 143   myDoGroupOf0DElems = true;
 144 }
 145
 146 void DriverMED_W_SMESHDS_Mesh::AddGroupOfBalls()
 147 {
 148   myDoGroupOfBalls = true;
 149 }
 150
 151 //================================================================================
 152 /*!
 153  * \brief Set up a flag to add all elements not belonging to any group to
 154  *        some auxiliary group. This is needed for SMESH -> SAUVE -> SMESH conversion,
 155  *        which since PAL0023285 reads only SAUVE elements belonging to any group,
 156  *        and hence can lose some elements. That auxiliary group is ignored while
 157  *        reading a MED file.
 158  */
 159 //================================================================================
 160
 161 void DriverMED_W_SMESHDS_Mesh::AddAllToGroup()
 162 {
 163   myDoAllInGroups = true;
 164 }
 165
 166
 167 namespace
 168 {
 169   typedef double (SMDS_MeshNode::* TGetCoord)() const;
 170   typedef const char* TName;
 171   typedef const char* TUnit;
 172
 173   // name length in a mesh must be equal to 16 :
 174   //         1234567890123456
 175   TName M = "m               ";
 176   TName X = "x               ";
 177   TName Y = "y               ";
 178   TName Z = "z               ";
 179
 180   TUnit aUnit[3] = {M,M,M};
 181
 182   // 3 dim
 183   TGetCoord aXYZGetCoord[3] = {
 184     &SMDS_MeshNode::X,
 185     &SMDS_MeshNode::Y,
 186     &SMDS_MeshNode::Z
 187   };
 188   TName aXYZName[3] = {X,Y,Z};
 189
 190   // 2 dim
 191   TGetCoord aXYGetCoord[2] = {
 192     &SMDS_MeshNode::X,
 193     &SMDS_MeshNode::Y
 194   };
 195   TName aXYName[2] = {X,Y};
 196
 197   TGetCoord aYZGetCoord[2] = {
 198     &SMDS_MeshNode::Y,
 199     &SMDS_MeshNode::Z
 200   };
 201   TName aYZName[2] = {Y,Z};
 202
 203   TGetCoord aXZGetCoord[2] = {
 204     &SMDS_MeshNode::X,
 205     &SMDS_MeshNode::Z
 206   };
 207   TName aXZName[2] = {X,Z};
 208
 209   // 1 dim
 210   TGetCoord aXGetCoord[1] = {
 211     &SMDS_MeshNode::X
 212   };
 213   TName aXName[1] = {X};
 214
 215   TGetCoord aYGetCoord[1] = {
 216     &SMDS_MeshNode::Y
 217   };
 218   TName aYName[1] = {Y};
 219
 220   TGetCoord aZGetCoord[1] = {
 221     &SMDS_MeshNode::Z
 222   };
 223   TName aZName[1] = {Z};
 224
 225
 226   class TCoordHelper{
 227     SMDS_NodeIteratorPtr myNodeIter;
 228     const SMDS_MeshNode* myCurrentNode;
 229     TGetCoord* myGetCoord;
 230     TName* myName;
 231     TUnit* myUnit;
 232   public:
 233     TCoordHelper(const SMDS_NodeIteratorPtr& theNodeIter,
 234                  TGetCoord* theGetCoord,
 235                  TName* theName,
 236                  TUnit* theUnit = aUnit):
 237       myNodeIter(theNodeIter),
 238       myGetCoord(theGetCoord),
 239       myName(theName),
 240       myUnit(theUnit)
 241     {}
 242     virtual ~TCoordHelper(){}
 243     bool Next(){
 244       return myNodeIter->more() &&
 245         (myCurrentNode = myNodeIter->next());
 246     }
 247     const SMDS_MeshNode* GetNode(){
 248       return myCurrentNode;
 249     }
 250     MED::TIDVector::value_type GetID(){
 251       return myCurrentNode->GetID();
 252     }
 253     MED::TFloatVector::value_type GetCoord(TInt theCoodId){
 254       return (myCurrentNode->*myGetCoord[theCoodId])();
 255     }
 256     MED::TStringVector::value_type GetName(TInt theDimId){
 257       return myName[theDimId];
 258     }
 259     MED::TStringVector::value_type GetUnit(TInt theDimId){
 260       return myUnit[theDimId];
 261     }
 262   };
 263   typedef boost::shared_ptr<TCoordHelper> TCoordHelperPtr;
 264
 265   //-------------------------------------------------------
 266   /*!
 267    * \brief Structure describing element type
 268    */
 269   //-------------------------------------------------------
 270   struct TElemTypeData
 271   {
 272     EEntiteMaillage     _entity;
 273     EGeometrieElement   _geomType;
 274     TInt                _nbElems;
 275     SMDSAbs_ElementType _smdsType;
 276
 277     TElemTypeData (EEntiteMaillage entity, EGeometrieElement geom, TInt nb, SMDSAbs_ElementType type)
 278       : _entity(entity), _geomType(geom), _nbElems( nb ), _smdsType( type ) {}
 279   };
 280
 281
 282   typedef NCollection_DataMap< Standard_Address, int > TElemFamilyMap;
 283
 284   //================================================================================
 285   /*!
 286    * \brief Fills element to famaly ID map for element type.
 287    * Removes all families of anElemType
 288    */
 289   //================================================================================
 290
 291   void fillElemFamilyMap( TElemFamilyMap &            anElemFamMap,
 292                           list<DriverMED_FamilyPtr> & aFamilies,
 293                           const SMDSAbs_ElementType   anElemType)
 294   {
 295     anElemFamMap.Clear();
 296     list<DriverMED_FamilyPtr>::iterator aFamsIter = aFamilies.begin();
 297     while ( aFamsIter != aFamilies.end() )
 298     {
 299       if ((*aFamsIter)->GetType() != anElemType) {
 300         aFamsIter++;
 301       }
 302       else {
 303         int aFamId = (*aFamsIter)->GetId();
 304         const ElementsSet&              anElems = (*aFamsIter)->GetElements();
 305         ElementsSet::const_iterator anElemsIter = anElems.begin();
 306         for (; anElemsIter != anElems.end(); anElemsIter++)
 307         {
 308           anElemFamMap.Bind( (Standard_Address)*anElemsIter, aFamId );
 309         }
 310         // remove a family from the list
 311         aFamilies.erase( aFamsIter++ );
 312       }
 313     }
 314   }
 315
 316   //================================================================================
 317   /*!
 318    * \brief For an element, return family ID found in the map or a default one
 319    */
 320   //================================================================================
 321
 322   int getFamilyId( const TElemFamilyMap &  anElemFamMap,
 323                    const SMDS_MeshElement* anElement,
 324                    const int               aDefaultFamilyId)
 325   {
 326     if ( anElemFamMap.IsBound( (Standard_Address) anElement ))
 327       return anElemFamMap( (Standard_Address) anElement );
 328
 329     return aDefaultFamilyId;
 330   }
 331
 332   //================================================================================
 333   /*!
 334    * \brief Returns iterator on sub-meshes
 335    */
 336   //================================================================================
 337
 338   SMESHDS_SubMeshIteratorPtr getIterator( std::vector<SMESHDS_SubMesh*>& mySubMeshes )
 339   {
 340     return SMESHDS_SubMeshIteratorPtr
 341       ( new SMDS_SetIterator
 342         < const SMESHDS_SubMesh*, std::vector< SMESHDS_SubMesh* >::iterator >( mySubMeshes.begin(),
 343                                                                                mySubMeshes.end() ));
 344   }
 345 }
 346
 347 Driver_Mesh::Status DriverMED_W_SMESHDS_Mesh::Perform()
 348 {
 349   MED::PWrapper myMed = CrWrapperW(myFile, myVersion);
 350   return this->PerformInternal<MED::PWrapper>(myMed);
 351 }
 352
 353 Driver_Mesh::Status DriverMED_W_SMESHDS_Mesh_Mem::Perform()
 354 {
 355   void *ptr(nullptr);
 356   std::size_t sz(0);
 357   Driver_Mesh::Status status = Driver_Mesh::DRS_OK;
 358   bool isClosed(false);
 359   {// let braces to flush (call of MED::PWrapper myMed destructor)
 360     TMemFile *tfileInst = new TMemFile(&isClosed);
 361     MED::PWrapper myMed = CrWrapperW(myFile, -1, tfileInst);
 362     status = this->PerformInternal<MED::PWrapper>(myMed);
 363     ptr = tfileInst->getData(); sz = tfileInst->getSize();
 364   }
 365   _data = MEDCoupling::DataArrayByte::New();
 366   _data->useArray(reinterpret_cast<char *>(ptr),true,MEDCoupling::DeallocType::C_DEALLOC,sz,1);
 367   if(!isClosed)
 368     THROW_SALOME_EXCEPTION("DriverMED_W_SMESHDS_Mesh_Mem::Perform - MED memory file id is supposed to be closed !");
 369   return status;
 370 }
 371
 372 //================================================================================
 373 /*!
 374  * \brief Write my mesh
 375  */
 376 //================================================================================
 377
 378 template<class LowLevelWriter>
 379 Driver_Mesh::Status DriverMED_W_SMESHDS_Mesh::PerformInternal(LowLevelWriter myMed)
 380 {
 381   Status aResult = DRS_OK;
 382   try {
 383     //MESSAGE("Perform - myFile : "<<myFile);
 384
 385     if ( Driver_Mesh::IsMeshTooLarge< TInt >( myMesh, /*checkIDs =*/ true ))
 386       return DRS_TOO_LARGE_MESH;
 387
 388     // Creating the MED mesh for corresponding SMDS structure
 389     //-------------------------------------------------------
 390     string aMeshName;
 391     if (myMeshId != -1) {
 392       ostringstream aMeshNameStr;
 393       aMeshNameStr<<myMeshId;
 394       aMeshName = aMeshNameStr.str();
 395     } else {
 396       aMeshName = myMeshName;
 397     }
 398
 399     // Mesh dimension definition
 400
 401     TInt aMeshDimension = 0;
 402     if ( myMesh->NbEdges() > 0 )
 403       aMeshDimension = 1;
 404     if ( myMesh->NbFaces() > 0 )
 405       aMeshDimension = 2;
 406     if ( myMesh->NbVolumes() > 0 )
 407       aMeshDimension = 3;
 408
 409     TInt aSpaceDimension = 3;
 410     TCoordHelperPtr aCoordHelperPtr;
 411     {
 412       bool anIsXDimension = false;
 413       bool anIsYDimension = false;
 414       bool anIsZDimension = false;
 415       if ( myAutoDimension && aMeshDimension < 3 )
 416       {
 417         SMDS_NodeIteratorPtr aNodesIter = myMesh->nodesIterator();
 418         double aBounds[6] = {0.,0.,0.,0.,0.,0.};
 419         if(aNodesIter->more()){
 420           const SMDS_MeshNode* aNode = aNodesIter->next();
 421           aBounds[0] = aBounds[1] = aNode->X();
 422           aBounds[2] = aBounds[3] = aNode->Y();
 423           aBounds[4] = aBounds[5] = aNode->Z();
 424         }
 425         while(aNodesIter->more()){
 426           const SMDS_MeshNode* aNode = aNodesIter->next();
 427           aBounds[0] = min(aBounds[0],aNode->X());
 428           aBounds[1] = max(aBounds[1],aNode->X());
 429
 430           aBounds[2] = min(aBounds[2],aNode->Y());
 431           aBounds[3] = max(aBounds[3],aNode->Y());
 432
 433           aBounds[4] = min(aBounds[4],aNode->Z());
 434           aBounds[5] = max(aBounds[5],aNode->Z());
 435         }
 436
 437         double EPS = 1.0E-7;
 438         TopoDS_Shape mainShape = myMesh->ShapeToMesh();
 439         bool    hasShapeToMesh = ( myMesh->SubMeshIndices().size() > 1 );
 440         if ( !mainShape.IsNull() && hasShapeToMesh )
 441         {
 442           // define EPS by max tolerance of the mainShape (IPAL53097)
 443           TopExp_Explorer subShape;
 444           for ( subShape.Init( mainShape, TopAbs_FACE ); subShape.More(); subShape.Next() ) {
 445             EPS = Max( EPS, BRep_Tool::Tolerance( TopoDS::Face( subShape.Current() )));
 446           }
 447           for ( subShape.Init( mainShape, TopAbs_EDGE ); subShape.More(); subShape.Next() ) {
 448             EPS = Max( EPS, BRep_Tool::Tolerance( TopoDS::Edge( subShape.Current() )));
 449           }
 450           for ( subShape.Init( mainShape, TopAbs_VERTEX ); subShape.More(); subShape.Next() ) {
 451             EPS = Max( EPS, BRep_Tool::Tolerance( TopoDS::Vertex( subShape.Current() )));
 452           }
 453           EPS *= 2.;
 454         }
 455         anIsXDimension = (aBounds[1] - aBounds[0]) + abs(aBounds[1]) + abs(aBounds[0]) > EPS;
 456         anIsYDimension = (aBounds[3] - aBounds[2]) + abs(aBounds[3]) + abs(aBounds[2]) > EPS;
 457         anIsZDimension = (aBounds[5] - aBounds[4]) + abs(aBounds[5]) + abs(aBounds[4]) > EPS;
 458         if ( myZTolerance > 0 && anIsZDimension )
 459           anIsZDimension = (aBounds[5] > myZTolerance || aBounds[4] < -myZTolerance );
 460         aSpaceDimension = Max( aMeshDimension, anIsXDimension + anIsYDimension + anIsZDimension );
 461         if ( !aSpaceDimension )
 462           aSpaceDimension = 3;
 463         // PAL16857(SMESH not conform to the MED convention):
 464         if ( aSpaceDimension == 2 && anIsZDimension ) // 2D only if mesh is in XOY plane
 465           aSpaceDimension = 3;
 466         // PAL18941(a saved study with a mesh belong Z is opened and the mesh is belong X)
 467         if ( aSpaceDimension == 1 && !anIsXDimension ) {// 1D only if mesh is along OX
 468           if ( anIsYDimension ) {
 469             aSpaceDimension = 2;
 470             anIsXDimension = true;
 471           } else {
 472             aSpaceDimension = 3;
 473           }
 474         }
 475       }
 476
 477       SMDS_NodeIteratorPtr aNodesIter = myMesh->nodesIterator();
 478       switch ( aSpaceDimension ) {
 479       case 3:
 480         aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aXYZGetCoord,aXYZName));
 481         break;
 482       case 2:
 483         if(anIsXDimension && anIsYDimension)
 484           aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aXYGetCoord,aXYName));
 485         if(anIsYDimension && anIsZDimension)
 486           aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aYZGetCoord,aYZName));
 487         if(anIsXDimension && anIsZDimension)
 488           aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aXZGetCoord,aXZName));
 489         break;
 490       case 1:
 491         if(anIsXDimension)
 492           aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aXGetCoord,aXName));
 493         if(anIsYDimension)
 494           aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aYGetCoord,aYName));
 495         if(anIsZDimension)
 496           aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aZGetCoord,aZName));
 497         break;
 498       }
 499     }
 500
 501     PMeshInfo aMeshInfo = myMed->CrMeshInfo(aMeshDimension,aSpaceDimension,aMeshName);
 502     //MESSAGE("Add - aMeshName : "<<aMeshName<<"; "<<aMeshInfo->GetName());
 503     myMed->SetMeshInfo(aMeshInfo);
 504
 505     // Storing SMDS groups and sub-meshes as med families
 506     //----------------------------------------------------
 507     int myNodesDefaultFamilyId      = 0;
 508     int my0DElementsDefaultFamilyId = 0;
 509     int myBallsDefaultFamilyId      = 0;
 510     int myEdgesDefaultFamilyId      = 0;
 511     int myFacesDefaultFamilyId      = 0;
 512     int myVolumesDefaultFamilyId    = 0;
 513     smIdType nbNodes      = myMesh->NbNodes();
 514     smIdType nb0DElements = myMesh->Nb0DElements();
 515     smIdType nbBalls      = myMesh->NbBalls();
 516     smIdType nbEdges      = myMesh->NbEdges();
 517     smIdType nbFaces      = myMesh->NbFaces();
 518     smIdType nbVolumes    = myMesh->NbVolumes();
 519     if (myDoGroupOfNodes)   myNodesDefaultFamilyId      = REST_NODES_FAMILY;
 520     if (myDoGroupOfEdges)   myEdgesDefaultFamilyId      = REST_EDGES_FAMILY;
 521     if (myDoGroupOfFaces)   myFacesDefaultFamilyId      = REST_FACES_FAMILY;
 522     if (myDoGroupOfVolumes) myVolumesDefaultFamilyId    = REST_VOLUMES_FAMILY;
 523     if (myDoGroupOf0DElems) my0DElementsDefaultFamilyId = REST_0DELEM_FAMILY;
 524     if (myDoGroupOfBalls)   myBallsDefaultFamilyId      = REST_BALL_FAMILY;
 525     if (myDoAllInGroups )
 526     {
 527       if (!myDoGroupOfEdges)   myEdgesDefaultFamilyId      = NIG_EDGES_FAMILY   ;
 528       if (!myDoGroupOfFaces)   myFacesDefaultFamilyId      = NIG_FACES_FAMILY   ;
 529       if (!myDoGroupOfVolumes) myVolumesDefaultFamilyId    = NIG_VOLS_FAMILY    ;
 530       if (!myDoGroupOf0DElems) my0DElementsDefaultFamilyId = NIG_0DELEM_FAMILY  ;
 531       if (!myDoGroupOfBalls)   myBallsDefaultFamilyId      = NIG_BALL_FAMILY    ;
 532     }
 533
 534     //MESSAGE("Perform - aFamilyInfo");
 535     list<DriverMED_FamilyPtr> aFamilies;
 536     if (myAllSubMeshes) {
 537       aFamilies = DriverMED_Family::MakeFamilies
 538         (myMesh->SubMeshes(), myGroups,
 539          myDoGroupOfNodes   && nbNodes,
 540          myDoGroupOfEdges   && nbEdges,
 541          myDoGroupOfFaces   && nbFaces,
 542          myDoGroupOfVolumes && nbVolumes,
 543          myDoGroupOf0DElems && nb0DElements,
 544          myDoGroupOfBalls   && nbBalls,
 545          myDoAllInGroups);
 546     }
 547     else {
 548       aFamilies = DriverMED_Family::MakeFamilies
 549         (getIterator( mySubMeshes ), myGroups,
 550          myDoGroupOfNodes   && nbNodes,
 551          myDoGroupOfEdges   && nbEdges,
 552          myDoGroupOfFaces   && nbFaces,
 553          myDoGroupOfVolumes && nbVolumes,
 554          myDoGroupOf0DElems && nb0DElements,
 555          myDoGroupOfBalls   && nbBalls,
 556          myDoAllInGroups);
 557     }
 558     list<DriverMED_FamilyPtr>::iterator aFamsIter;
 559     for (aFamsIter = aFamilies.begin(); aFamsIter != aFamilies.end(); aFamsIter++)
 560     {
 561       PFamilyInfo aFamilyInfo = (*aFamsIter)->GetFamilyInfo<LowLevelWriter>(myMed,aMeshInfo);
 562       myMed->SetFamilyInfo(aFamilyInfo);
 563     }
 564
 565     // Storing SMDS nodes to the MED file for the MED mesh
 566     //----------------------------------------------------
 567 #ifdef _EDF_NODE_IDS_
 568     typedef map<TInt,TInt> TNodeIdMap;
 569     TNodeIdMap aNodeIdMap;
 570 #endif
 571     const EModeSwitch   theMode        = eFULL_INTERLACE;
 572     const ERepere       theSystem      = eCART;
 573     const EBooleen      theIsElemNum   = eVRAI;
 574     const EBooleen      theIsElemNames = eFAUX;
 575     const EConnectivite theConnMode    = eNOD;
 576
 577     TInt aNbNodes = FromSmIdType<TInt>( myMesh->NbNodes() );
 578     PNodeInfo aNodeInfo = myMed->CrNodeInfo(aMeshInfo, aNbNodes,
 579                                             theMode, theSystem, theIsElemNum, theIsElemNames);
 580
 581     // find family numbers for nodes
 582     TElemFamilyMap anElemFamMap;
 583     fillElemFamilyMap( anElemFamMap, aFamilies, SMDSAbs_Node );
 584
 585     for (TInt iNode = 0; aCoordHelperPtr->Next(); iNode++)
 586     {
 587       // coordinates
 588       TCoordSlice aTCoordSlice = aNodeInfo->GetCoordSlice( iNode );
 589       for(TInt iCoord = 0; iCoord < aSpaceDimension; iCoord++){
 590         aTCoordSlice[iCoord] = aCoordHelperPtr->GetCoord(iCoord);
 591       }
 592       if ( aSpaceDimension == 3 &&
 593            -myZTolerance < aTCoordSlice[2] && aTCoordSlice[2] < myZTolerance )
 594         aTCoordSlice[2] = 0.;
 595
 596       // node number
 597       TInt aNodeID = FromSmIdType<TInt>( aCoordHelperPtr->GetID() );
 598       aNodeInfo->SetElemNum( iNode, aNodeID );
 599 #ifdef _EDF_NODE_IDS_
 600       aNodeIdMap.insert( aNodeIdMap.end(), make_pair( aNodeID, iNode+1 ));
 601 #endif
 602       // family number
 603       const SMDS_MeshNode* aNode = aCoordHelperPtr->GetNode();
 604       int famNum = getFamilyId( anElemFamMap, aNode, myNodesDefaultFamilyId );
 605       aNodeInfo->SetFamNum( iNode, famNum );
 606     }
 607     anElemFamMap.Clear();
 608
 609     // coordinate names and units
 610     for (TInt iCoord = 0; iCoord < aSpaceDimension; iCoord++) {
 611       aNodeInfo->SetCoordName( iCoord, aCoordHelperPtr->GetName(iCoord));
 612       aNodeInfo->SetCoordUnit( iCoord, aCoordHelperPtr->GetUnit(iCoord));
 613     }
 614
 615     //MESSAGE("Perform - aNodeInfo->GetNbElem() = "<<aNbNodes);
 616     myMed->SetNodeInfo(aNodeInfo);
 617     aNodeInfo.reset(); // free memory used for arrays
 618
 619
 620     // Storing SMDS elements to the MED file for the MED mesh
 621     //-------------------------------------------------------
 622     // Write one element type at once in order to minimize memory usage (PAL19276)
 623
 624     const SMDS_MeshInfo& nbElemInfo = myMesh->GetMeshInfo();
 625
 626     // poly elements are not supported by med-2.1
 627     bool polyTypesSupported = ( myMed->CrPolygoneInfo(aMeshInfo,eMAILLE,ePOLYGONE,0,0).get() != 0 );
 628     TInt nbPolygonNodes = 0, nbPolyhedronNodes = 0, nbPolyhedronFaces = 0;
 629
 630     // nodes on VERTEXes where 0D elements are absent
 631     std::vector<const SMDS_MeshElement*> nodesOf0D;
 632     std::vector< SMDS_ElemIteratorPtr > iterVec;
 633     SMDS_ElemIteratorPtr iterVecIter;
 634     if ( myAddODOnVertices && getNodesOfMissing0DOnVert( myMesh, nodesOf0D ))
 635     {
 636       iterVec.resize(2);
 637       iterVec[0] = myMesh->elementsIterator( SMDSAbs_0DElement );
 638       iterVec[1] = SMDS_ElemIteratorPtr
 639         ( new SMDS_ElementVectorIterator( nodesOf0D.begin(), nodesOf0D.end() ));
 640
 641       typedef SMDS_IteratorOnIterators
 642         < const SMDS_MeshElement *, std::vector< SMDS_ElemIteratorPtr > > TItIterator;
 643       iterVecIter = SMDS_ElemIteratorPtr( new TItIterator( iterVec ));
 644     }
 645
 646     // collect info on all geom types
 647
 648     list< TElemTypeData > aTElemTypeDatas;
 649
 650     EEntiteMaillage anEntity = eMAILLE;
 651 #ifdef _ELEMENTS_BY_DIM_
 652     anEntity = eNOEUD_ELEMENT;
 653 #endif
 654     aTElemTypeDatas.push_back(TElemTypeData(anEntity,
 655                                             ePOINT1,
 656                                             nbElemInfo.Nb0DElements() + nodesOf0D.size(),
 657                                             SMDSAbs_0DElement));
 658 #ifdef _ELEMENTS_BY_DIM_
 659     anEntity = eSTRUCT_ELEMENT;
 660 #endif
 661     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 662                                              eBALL,
 663                                              FromSmIdType<TInt>(nbElemInfo.NbBalls()),
 664                                              SMDSAbs_Ball));
 665 #ifdef _ELEMENTS_BY_DIM_
 666     anEntity = eARETE;
 667 #endif
 668     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 669                                              eSEG2,
 670                                              FromSmIdType<TInt>(nbElemInfo.NbEdges( ORDER_LINEAR )),
 671                                              SMDSAbs_Edge));
 672     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 673                                              eSEG3,
 674                                              FromSmIdType<TInt>(nbElemInfo.NbEdges( ORDER_QUADRATIC )),
 675                                              SMDSAbs_Edge));
 676 #ifdef _ELEMENTS_BY_DIM_
 677     anEntity = eFACE;
 678 #endif
 679     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 680                                              eTRIA3,
 681                                              FromSmIdType<TInt>(nbElemInfo.NbTriangles( ORDER_LINEAR )),
 682                                              SMDSAbs_Face));
 683     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 684                                              eTRIA6,
 685                                              FromSmIdType<TInt>(nbElemInfo.NbTriangles( ORDER_QUADRATIC ) -
 686                                              nbElemInfo.NbBiQuadTriangles()),
 687                                              SMDSAbs_Face));
 688     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 689                                              eTRIA7,
 690                                              FromSmIdType<TInt>(nbElemInfo.NbBiQuadTriangles()),
 691                                              SMDSAbs_Face));
 692     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 693                                              eQUAD4,
 694                                              FromSmIdType<TInt>(nbElemInfo.NbQuadrangles( ORDER_LINEAR )),
 695                                              SMDSAbs_Face));
 696     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 697                                              eQUAD8,
 698                                              FromSmIdType<TInt>(nbElemInfo.NbQuadrangles( ORDER_QUADRATIC ) -
 699                                              nbElemInfo.NbBiQuadQuadrangles()),
 700                                              SMDSAbs_Face));
 701     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 702                                              eQUAD9,
 703                                              FromSmIdType<TInt>(nbElemInfo.NbBiQuadQuadrangles()),
 704                                              SMDSAbs_Face));
 705     if ( polyTypesSupported ) {
 706       aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 707                                                ePOLYGONE,
 708                                                FromSmIdType<TInt>(nbElemInfo.NbPolygons( ORDER_LINEAR )),
 709                                                SMDSAbs_Face));
 710       // we need one more loop on poly elements to count nb of their nodes
 711       aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 712                                                ePOLYGONE,
 713                                                FromSmIdType<TInt>(nbElemInfo.NbPolygons( ORDER_LINEAR )),
 714                                                SMDSAbs_Face));
 715       aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 716                                                ePOLYGON2,
 717                                                FromSmIdType<TInt>(nbElemInfo.NbPolygons( ORDER_QUADRATIC )),
 718                                                SMDSAbs_Face));
 719       // we need one more loop on QUAD poly elements to count nb of their nodes
 720       aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 721                                                ePOLYGON2,
 722                                                FromSmIdType<TInt>(nbElemInfo.NbPolygons( ORDER_QUADRATIC )),
 723                                                SMDSAbs_Face));
 724     }
 725 #ifdef _ELEMENTS_BY_DIM_
 726     anEntity = eMAILLE;
 727 #endif
 728     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 729                                              eTETRA4,
 730                                              FromSmIdType<TInt>(nbElemInfo.NbTetras( ORDER_LINEAR )),
 731                                              SMDSAbs_Volume));
 732     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 733                                              eTETRA10,
 734                                              FromSmIdType<TInt>(nbElemInfo.NbTetras( ORDER_QUADRATIC )),
 735                                              SMDSAbs_Volume));
 736     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 737                                              ePYRA5,
 738                                              FromSmIdType<TInt>(nbElemInfo.NbPyramids( ORDER_LINEAR )),
 739                                              SMDSAbs_Volume));
 740     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 741                                              ePYRA13,
 742                                              FromSmIdType<TInt>(nbElemInfo.NbPyramids( ORDER_QUADRATIC )),
 743                                              SMDSAbs_Volume));
 744     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 745                                              ePENTA6,
 746                                              FromSmIdType<TInt>(nbElemInfo.NbPrisms( ORDER_LINEAR )),
 747                                              SMDSAbs_Volume));
 748     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 749                                              ePENTA15,
 750                                              FromSmIdType<TInt>(nbElemInfo.NbQuadPrisms()),
 751                                              SMDSAbs_Volume));
 752     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 753                                              ePENTA18,
 754                                              FromSmIdType<TInt>(nbElemInfo.NbBiQuadPrisms()),
 755                                              SMDSAbs_Volume));
 756     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 757                                              eHEXA8,
 758                                              FromSmIdType<TInt>(nbElemInfo.NbHexas( ORDER_LINEAR )),
 759                                              SMDSAbs_Volume));
 760     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 761                                              eHEXA20,
 762                                              FromSmIdType<TInt>(nbElemInfo.NbHexas( ORDER_QUADRATIC )-
 763                                              nbElemInfo.NbTriQuadHexas()),
 764                                              SMDSAbs_Volume));
 765     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 766                                              eHEXA27,
 767                                              FromSmIdType<TInt>(nbElemInfo.NbTriQuadHexas()),
 768                                              SMDSAbs_Volume));
 769     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 770                                              eOCTA12,
 771                                              FromSmIdType<TInt>(nbElemInfo.NbHexPrisms()),
 772                                              SMDSAbs_Volume));
 773     if ( polyTypesSupported ) {
 774       aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 775                                                ePOLYEDRE,
 776                                                FromSmIdType<TInt>(nbElemInfo.NbPolyhedrons()),
 777                                                SMDSAbs_Volume));
 778       // we need one more loop on poly elements to count nb of their nodes
 779       aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 780                                                ePOLYEDRE,
 781                                                FromSmIdType<TInt>(nbElemInfo.NbPolyhedrons()),
 782                                                SMDSAbs_Volume));
 783     }
 784
 785     vector< bool > isElemFamMapBuilt( SMDSAbs_NbElementTypes, false );
 786
 787     // loop on all geom types of elements
 788
 789     list< TElemTypeData >::iterator aElemTypeData = aTElemTypeDatas.begin();
 790     for ( ; aElemTypeData != aTElemTypeDatas.end(); ++aElemTypeData )
 791     {
 792       if ( aElemTypeData->_nbElems == 0 )
 793         continue;
 794
 795       int defaultFamilyId = 0;
 796       switch ( aElemTypeData->_smdsType ) {
 797       case SMDSAbs_0DElement: defaultFamilyId = my0DElementsDefaultFamilyId; break;
 798       case SMDSAbs_Ball:      defaultFamilyId = myBallsDefaultFamilyId;      break;
 799       case SMDSAbs_Edge:      defaultFamilyId = myEdgesDefaultFamilyId;      break;
 800       case SMDSAbs_Face:      defaultFamilyId = myFacesDefaultFamilyId;      break;
 801       case SMDSAbs_Volume:    defaultFamilyId = myVolumesDefaultFamilyId;    break;
 802       default:
 803         continue;
 804       }
 805
 806       // build map of family numbers for this type
 807       if ( !isElemFamMapBuilt[ aElemTypeData->_smdsType ])
 808       {
 809         fillElemFamilyMap( anElemFamMap, aFamilies, aElemTypeData->_smdsType );
 810         isElemFamMapBuilt[ aElemTypeData->_smdsType ] = true;
 811       }
 812
 813       // iterator on elements of a current type
 814       SMDS_ElemIteratorPtr elemIterator;
 815       TInt iElem = 0;
 816
 817       // Treat POLYGONs
 818       // ---------------
 819       if ( aElemTypeData->_geomType == ePOLYGONE ||
 820            aElemTypeData->_geomType == ePOLYGON2 )
 821       {
 822         if ( aElemTypeData->_geomType == ePOLYGONE )
 823           elemIterator = myMesh->elementEntityIterator( SMDSEntity_Polygon );
 824         else
 825           elemIterator = myMesh->elementEntityIterator( SMDSEntity_Quad_Polygon );
 826
 827         if ( nbPolygonNodes == 0 ) {
 828           // Count nb of nodes
 829           while ( elemIterator->more() ) {
 830             const SMDS_MeshElement* anElem = elemIterator->next();
 831             nbPolygonNodes += anElem->NbNodes();
 832             if ( ++iElem == aElemTypeData->_nbElems )
 833               break;
 834           }
 835         }
 836         else {
 837           // Store in med file
 838           PPolygoneInfo aPolygoneInfo = myMed->CrPolygoneInfo(aMeshInfo,
 839                                                               aElemTypeData->_entity,
 840                                                               aElemTypeData->_geomType,
 841                                                               aElemTypeData->_nbElems,
 842                                                               nbPolygonNodes,
 843                                                               theConnMode, theIsElemNum,
 844                                                               theIsElemNames);
 845           TElemNum & index = *(aPolygoneInfo->myIndex.get());
 846           index[0] = 1;
 847
 848           while ( elemIterator->more() )
 849           {
 850             const SMDS_MeshElement* anElem = elemIterator->next();
 851             // index
 852             TInt aNbNodes = anElem->NbNodes();
 853             index[ iElem+1 ] = index[ iElem ] + aNbNodes;
 854
 855             // connectivity
 856             TConnSlice aTConnSlice = aPolygoneInfo->GetConnSlice( iElem );
 857             for(TInt iNode = 0; iNode < aNbNodes; iNode++) {
 858               const SMDS_MeshElement* aNode = anElem->GetNode( iNode );
 859 #ifdef _EDF_NODE_IDS_
 860               aTConnSlice[ iNode ] = aNodeIdMap[FromSmIdType<TInt>(aNode->GetID())];
 861 #else
 862               aTConnSlice[ iNode ] = aNode->GetID();
 863 #endif
 864             }
 865             // element number
 866             aPolygoneInfo->SetElemNum( iElem, FromSmIdType<TInt>(anElem->GetID()) );
 867
 868             // family number
 869             int famNum = getFamilyId( anElemFamMap, anElem, defaultFamilyId );
 870             aPolygoneInfo->SetFamNum( iElem, famNum );
 871
 872             if ( ++iElem == aPolygoneInfo->GetNbElem() )
 873               break;
 874           }
 875           myMed->SetPolygoneInfo(aPolygoneInfo);
 876
 877           nbPolygonNodes = 0; // to treat next polygon type
 878         }
 879       }
 880
 881       // Treat POLYEDREs
 882       // ----------------
 883       else if ( aElemTypeData->_geomType == ePOLYEDRE )
 884       {
 885         elemIterator = myMesh->elementGeomIterator( SMDSGeom_POLYHEDRA );
 886
 887         if ( nbPolyhedronNodes == 0 ) {
 888           // Count nb of nodes
 889           while ( elemIterator->more() ) {
 890             const SMDS_MeshElement*  anElem = elemIterator->next();
 891             nbPolyhedronNodes += anElem->NbNodes();
 892             nbPolyhedronFaces += anElem->NbFaces();
 893             if ( ++iElem == aElemTypeData->_nbElems )
 894               break;
 895           }
 896         }
 897         else {
 898           // Store in med file
 899           PPolyedreInfo aPolyhInfo = myMed->CrPolyedreInfo(aMeshInfo,
 900                                                            aElemTypeData->_entity,
 901                                                            aElemTypeData->_geomType,
 902                                                            aElemTypeData->_nbElems,
 903                                                            nbPolyhedronFaces+1,
 904                                                            nbPolyhedronNodes,
 905                                                            theConnMode,
 906                                                            theIsElemNum,
 907                                                            theIsElemNames);
 908           TElemNum & index = *(aPolyhInfo->myIndex.get());
 909           TElemNum & faces = *(aPolyhInfo->myFaces.get());
 910           TElemNum & conn  = *(aPolyhInfo->myConn.get());
 911           index[0] = 1;
 912           faces[0] = 1;
 913
 914           TInt iFace = 0, iNode = 0;
 915           while ( elemIterator->more() )
 916           {
 917             const SMDS_MeshElement* anElem = elemIterator->next();
 918             const SMDS_MeshVolume *aPolyedre = myMesh->DownCast< SMDS_MeshVolume >( anElem );
 919             if ( !aPolyedre ) continue;
 920             // index
 921             TInt aNbFaces = aPolyedre->NbFaces();
 922             index[ iElem+1 ] = index[ iElem ] + aNbFaces;
 923
 924             // face index
 925             for (TInt f = 1; f <= aNbFaces; ++f, ++iFace ) {
 926               int aNbFaceNodes = aPolyedre->NbFaceNodes( f );
 927               faces[ iFace+1 ] = faces[ iFace ] + aNbFaceNodes;
 928             }
 929             // connectivity
 930             SMDS_ElemIteratorPtr nodeIt = anElem->nodesIterator();
 931             while ( nodeIt->more() ) {
 932               const SMDS_MeshElement* aNode = nodeIt->next();
 933 #ifdef _EDF_NODE_IDS_
 934               conn[ iNode ] = aNodeIdMap[FromSmIdType<TInt>(aNode->GetID())];
 935 #else
 936               conn[ iNode ] = aNode->GetID();
 937 #endif
 938               ++iNode;
 939             }
 940             // element number
 941             aPolyhInfo->SetElemNum( iElem, FromSmIdType<TInt>(anElem->GetID()) );
 942
 943             // family number
 944             int famNum = getFamilyId( anElemFamMap, anElem, defaultFamilyId );
 945             aPolyhInfo->SetFamNum( iElem, famNum );
 946
 947             if ( ++iElem == aPolyhInfo->GetNbElem() )
 948               break;
 949           }
 950           myMed->SetPolyedreInfo(aPolyhInfo);
 951         }
 952       } // if (aElemTypeData->_geomType == ePOLYEDRE )
 953
 954       // Treat BALLs
 955       // ----------------
 956       else if (aElemTypeData->_geomType == eBALL )
 957       {
 958         // allocate data arrays
 959         PBallInfo aBallInfo = myMed->CrBallInfo( aMeshInfo, aElemTypeData->_nbElems );
 960
 961         elemIterator = myMesh->elementsIterator( SMDSAbs_Ball );
 962         while ( elemIterator->more() )
 963         {
 964           const SMDS_MeshElement* anElem = elemIterator->next();
 965           // connectivity
 966           const SMDS_MeshElement* aNode = anElem->GetNode( 0 );
 967 #ifdef _EDF_NODE_IDS_
 968           (*aBallInfo->myConn)[ iElem ] = aNodeIdMap[FromSmIdType<TInt>(aNode->GetID())];
 969 #else
 970           (*aBallInfo->myConn)[ iElem ] = aNode->GetID();
 971 #endif
 972           // element number
 973           aBallInfo->SetElemNum( iElem, FromSmIdType<TInt>(anElem->GetID()) );
 974
 975           // diameter
 976           aBallInfo->myDiameters[ iElem ] =
 977             static_cast<const SMDS_BallElement*>( anElem )->GetDiameter();
 978
 979           // family number
 980           int famNum = getFamilyId( anElemFamMap, anElem, defaultFamilyId );
 981           aBallInfo->SetFamNum( iElem, famNum );
 982           ++iElem;
 983         }
 984         // store data in a file
 985         myMed->SetBallInfo(aBallInfo);
 986       }
 987
 988       else
 989       {
 990         // Treat standard types
 991         // ---------------------
 992         // allocate data arrays
 993         PCellInfo aCellInfo = myMed->CrCellInfo( aMeshInfo,
 994                                                  aElemTypeData->_entity,
 995                                                  aElemTypeData->_geomType,
 996                                                  aElemTypeData->_nbElems,
 997                                                  theConnMode,
 998                                                  theIsElemNum,
 999                                                  theIsElemNames);
1000
1001         TInt aNbNodes = MED::GetNbNodes(aElemTypeData->_geomType);
1002         elemIterator = myMesh->elementsIterator( aElemTypeData->_smdsType );
1003         if ( aElemTypeData->_smdsType == SMDSAbs_0DElement && ! nodesOf0D.empty() )
1004           elemIterator = iterVecIter;
1005         while ( elemIterator->more() )
1006         {
1007           const SMDS_MeshElement* anElem = elemIterator->next();
1008           if ( anElem->NbNodes() != aNbNodes || anElem->IsPoly() )
1009             continue; // other geometry
1010
1011           // connectivity
1012           TConnSlice aTConnSlice = aCellInfo->GetConnSlice( iElem );
1013           for (TInt iNode = 0; iNode < aNbNodes; iNode++) {
1014             const SMDS_MeshElement* aNode = anElem->GetNode( iNode );
1015 #ifdef _EDF_NODE_IDS_
1016             aTConnSlice[ iNode ] = aNodeIdMap[FromSmIdType<TInt>(aNode->GetID())];
1017 #else
1018             aTConnSlice[ iNode ] = aNode->GetID();
1019 #endif
1020           }
1021           // element number
1022           aCellInfo->SetElemNum( iElem, FromSmIdType<TInt>(anElem->GetID()) );
1023
1024           // family number
1025           int famNum = getFamilyId( anElemFamMap, anElem, defaultFamilyId );
1026           aCellInfo->SetFamNum( iElem, famNum );
1027
1028           if ( ++iElem == aCellInfo->GetNbElem() )
1029             break;
1030         }
1031         // store data in a file
1032         myMed->SetCellInfo(aCellInfo);
1033       }
1034     } // loop on geom types
1035   }
1036   catch(const std::exception& exc) {
1037     INFOS("The following exception was caught:\n\t"<<exc.what());
1038     throw;
1039   }
1040   catch(...) {
1041     INFOS("Unknown exception was caught !!!");
1042     throw;
1043   }
1044
1045   myMeshId = -1;
1046   myGroups.clear();
1047   mySubMeshes.clear();
1048   return aResult;
1049 }
1050
1051 //================================================================================
1052 /*!
1053  * \brief Returns nodes on VERTEXes where 0D elements are absent
1054  */
1055 //================================================================================
1056
1057 bool DriverMED_W_SMESHDS_Mesh::
1058 getNodesOfMissing0DOnVert(SMESHDS_Mesh*                         meshDS,
1059                           std::vector<const SMDS_MeshElement*>& nodes)
1060 {
1061   nodes.clear();
1062   for ( int i = 1; i <= meshDS->MaxShapeIndex(); ++i )
1063   {
1064     if ( meshDS->IndexToShape( i ).ShapeType() != TopAbs_VERTEX )
1065       continue;
1066     if ( SMESHDS_SubMesh* sm = meshDS->MeshElements(i) ) {
1067       SMDS_NodeIteratorPtr nIt= sm->GetNodes();
1068       while (nIt->more())
1069       {
1070         const SMDS_MeshNode* n = nIt->next();
1071         if ( n->NbInverseElements( SMDSAbs_0DElement ) == 0 )
1072           nodes.push_back( n );
1073       }
1074     }
1075   }
1076   return !nodes.empty();
1077 }