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(&ptr,&sz,&isClosed);// this new will be destroyed by destructor of myMed
 361     MED::PWrapper myMed = CrWrapperW(myFile, -1, tfileInst);
 362     status = this->PerformInternal<MED::PWrapper>(myMed);
 363   }
 364   if(!isClosed)
 365     EXCEPTION(std::runtime_error, "TFTMemFile destructor : on destruction file has not been closed properly -> chunk of memory data may be invalid !");
 366   _data = MEDCoupling::DataArrayByte::New();
 367   _data->useArray(reinterpret_cast<char *>(ptr),true,MEDCoupling::DeallocType::C_DEALLOC,sz,1);
 368   if(!isClosed)
 369     THROW_SALOME_EXCEPTION("DriverMED_W_SMESHDS_Mesh_Mem::Perform - MED memory file id is supposed to be closed !");
 370   return status;
 371 }
 372
 373 //================================================================================
 374 /*!
 375  * \brief Write my mesh
 376  */
 377 //================================================================================
 378
 379 template<class LowLevelWriter>
 380 Driver_Mesh::Status DriverMED_W_SMESHDS_Mesh::PerformInternal(LowLevelWriter myMed)
 381 {
 382   Status aResult = DRS_OK;
 383   try {
 384     //MESSAGE("Perform - myFile : "<<myFile);
 385
 386     if ( Driver_Mesh::IsMeshTooLarge< TInt >( myMesh, /*checkIDs =*/ true ))
 387       return DRS_TOO_LARGE_MESH;
 388
 389     // Creating the MED mesh for corresponding SMDS structure
 390     //-------------------------------------------------------
 391     string aMeshName;
 392     if (myMeshId != -1) {
 393       ostringstream aMeshNameStr;
 394       aMeshNameStr<<myMeshId;
 395       aMeshName = aMeshNameStr.str();
 396     } else {
 397       aMeshName = myMeshName;
 398     }
 399
 400     // Mesh dimension definition
 401
 402     TInt aMeshDimension = 0;
 403     if ( myMesh->NbEdges() > 0 )
 404       aMeshDimension = 1;
 405     if ( myMesh->NbFaces() > 0 )
 406       aMeshDimension = 2;
 407     if ( myMesh->NbVolumes() > 0 )
 408       aMeshDimension = 3;
 409
 410     TInt aSpaceDimension = 3;
 411     TCoordHelperPtr aCoordHelperPtr;
 412     {
 413       bool anIsXDimension = false;
 414       bool anIsYDimension = false;
 415       bool anIsZDimension = false;
 416       if ( myAutoDimension && aMeshDimension < 3 )
 417       {
 418         SMDS_NodeIteratorPtr aNodesIter = myMesh->nodesIterator();
 419         double aBounds[6] = {0.,0.,0.,0.,0.,0.};
 420         if(aNodesIter->more()){
 421           const SMDS_MeshNode* aNode = aNodesIter->next();
 422           aBounds[0] = aBounds[1] = aNode->X();
 423           aBounds[2] = aBounds[3] = aNode->Y();
 424           aBounds[4] = aBounds[5] = aNode->Z();
 425         }
 426         while(aNodesIter->more()){
 427           const SMDS_MeshNode* aNode = aNodesIter->next();
 428           aBounds[0] = min(aBounds[0],aNode->X());
 429           aBounds[1] = max(aBounds[1],aNode->X());
 430
 431           aBounds[2] = min(aBounds[2],aNode->Y());
 432           aBounds[3] = max(aBounds[3],aNode->Y());
 433
 434           aBounds[4] = min(aBounds[4],aNode->Z());
 435           aBounds[5] = max(aBounds[5],aNode->Z());
 436         }
 437
 438         double EPS = 1.0E-7;
 439         TopoDS_Shape mainShape = myMesh->ShapeToMesh();
 440         bool    hasShapeToMesh = ( myMesh->SubMeshIndices().size() > 1 );
 441         if ( !mainShape.IsNull() && hasShapeToMesh )
 442         {
 443           // define EPS by max tolerance of the mainShape (IPAL53097)
 444           TopExp_Explorer subShape;
 445           for ( subShape.Init( mainShape, TopAbs_FACE ); subShape.More(); subShape.Next() ) {
 446             EPS = Max( EPS, BRep_Tool::Tolerance( TopoDS::Face( subShape.Current() )));
 447           }
 448           for ( subShape.Init( mainShape, TopAbs_EDGE ); subShape.More(); subShape.Next() ) {
 449             EPS = Max( EPS, BRep_Tool::Tolerance( TopoDS::Edge( subShape.Current() )));
 450           }
 451           for ( subShape.Init( mainShape, TopAbs_VERTEX ); subShape.More(); subShape.Next() ) {
 452             EPS = Max( EPS, BRep_Tool::Tolerance( TopoDS::Vertex( subShape.Current() )));
 453           }
 454           EPS *= 2.;
 455         }
 456         anIsXDimension = (aBounds[1] - aBounds[0]) + abs(aBounds[1]) + abs(aBounds[0]) > EPS;
 457         anIsYDimension = (aBounds[3] - aBounds[2]) + abs(aBounds[3]) + abs(aBounds[2]) > EPS;
 458         anIsZDimension = (aBounds[5] - aBounds[4]) + abs(aBounds[5]) + abs(aBounds[4]) > EPS;
 459         if ( myZTolerance > 0 && anIsZDimension )
 460           anIsZDimension = (aBounds[5] > myZTolerance || aBounds[4] < -myZTolerance );
 461         aSpaceDimension = Max( aMeshDimension, anIsXDimension + anIsYDimension + anIsZDimension );
 462         if ( !aSpaceDimension )
 463           aSpaceDimension = 3;
 464         // PAL16857(SMESH not conform to the MED convention):
 465         if ( aSpaceDimension == 2 && anIsZDimension ) // 2D only if mesh is in XOY plane
 466           aSpaceDimension = 3;
 467         // PAL18941(a saved study with a mesh belong Z is opened and the mesh is belong X)
 468         if ( aSpaceDimension == 1 && !anIsXDimension ) {// 1D only if mesh is along OX
 469           if ( anIsYDimension ) {
 470             aSpaceDimension = 2;
 471             anIsXDimension = true;
 472           } else {
 473             aSpaceDimension = 3;
 474           }
 475         }
 476       }
 477
 478       SMDS_NodeIteratorPtr aNodesIter = myMesh->nodesIterator();
 479       switch ( aSpaceDimension ) {
 480       case 3:
 481         aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aXYZGetCoord,aXYZName));
 482         break;
 483       case 2:
 484         if(anIsXDimension && anIsYDimension)
 485           aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aXYGetCoord,aXYName));
 486         if(anIsYDimension && anIsZDimension)
 487           aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aYZGetCoord,aYZName));
 488         if(anIsXDimension && anIsZDimension)
 489           aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aXZGetCoord,aXZName));
 490         break;
 491       case 1:
 492         if(anIsXDimension)
 493           aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aXGetCoord,aXName));
 494         if(anIsYDimension)
 495           aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aYGetCoord,aYName));
 496         if(anIsZDimension)
 497           aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aZGetCoord,aZName));
 498         break;
 499       }
 500     }
 501
 502     PMeshInfo aMeshInfo = myMed->CrMeshInfo(aMeshDimension,aSpaceDimension,aMeshName);
 503     //MESSAGE("Add - aMeshName : "<<aMeshName<<"; "<<aMeshInfo->GetName());
 504     myMed->SetMeshInfo(aMeshInfo);
 505
 506     // Storing SMDS groups and sub-meshes as med families
 507     //----------------------------------------------------
 508     int myNodesDefaultFamilyId      = 0;
 509     int my0DElementsDefaultFamilyId = 0;
 510     int myBallsDefaultFamilyId      = 0;
 511     int myEdgesDefaultFamilyId      = 0;
 512     int myFacesDefaultFamilyId      = 0;
 513     int myVolumesDefaultFamilyId    = 0;
 514     smIdType nbNodes      = myMesh->NbNodes();
 515     smIdType nb0DElements = myMesh->Nb0DElements();
 516     smIdType nbBalls      = myMesh->NbBalls();
 517     smIdType nbEdges      = myMesh->NbEdges();
 518     smIdType nbFaces      = myMesh->NbFaces();
 519     smIdType nbVolumes    = myMesh->NbVolumes();
 520     if (myDoGroupOfNodes)   myNodesDefaultFamilyId      = REST_NODES_FAMILY;
 521     if (myDoGroupOfEdges)   myEdgesDefaultFamilyId      = REST_EDGES_FAMILY;
 522     if (myDoGroupOfFaces)   myFacesDefaultFamilyId      = REST_FACES_FAMILY;
 523     if (myDoGroupOfVolumes) myVolumesDefaultFamilyId    = REST_VOLUMES_FAMILY;
 524     if (myDoGroupOf0DElems) my0DElementsDefaultFamilyId = REST_0DELEM_FAMILY;
 525     if (myDoGroupOfBalls)   myBallsDefaultFamilyId      = REST_BALL_FAMILY;
 526     if (myDoAllInGroups )
 527     {
 528       if (!myDoGroupOfEdges)   myEdgesDefaultFamilyId      = NIG_EDGES_FAMILY   ;
 529       if (!myDoGroupOfFaces)   myFacesDefaultFamilyId      = NIG_FACES_FAMILY   ;
 530       if (!myDoGroupOfVolumes) myVolumesDefaultFamilyId    = NIG_VOLS_FAMILY    ;
 531       if (!myDoGroupOf0DElems) my0DElementsDefaultFamilyId = NIG_0DELEM_FAMILY  ;
 532       if (!myDoGroupOfBalls)   myBallsDefaultFamilyId      = NIG_BALL_FAMILY    ;
 533     }
 534
 535     //MESSAGE("Perform - aFamilyInfo");
 536     list<DriverMED_FamilyPtr> aFamilies;
 537     if (myAllSubMeshes) {
 538       aFamilies = DriverMED_Family::MakeFamilies
 539         (myMesh->SubMeshes(), myGroups,
 540          myDoGroupOfNodes   && nbNodes,
 541          myDoGroupOfEdges   && nbEdges,
 542          myDoGroupOfFaces   && nbFaces,
 543          myDoGroupOfVolumes && nbVolumes,
 544          myDoGroupOf0DElems && nb0DElements,
 545          myDoGroupOfBalls   && nbBalls,
 546          myDoAllInGroups);
 547     }
 548     else {
 549       aFamilies = DriverMED_Family::MakeFamilies
 550         (getIterator( mySubMeshes ), myGroups,
 551          myDoGroupOfNodes   && nbNodes,
 552          myDoGroupOfEdges   && nbEdges,
 553          myDoGroupOfFaces   && nbFaces,
 554          myDoGroupOfVolumes && nbVolumes,
 555          myDoGroupOf0DElems && nb0DElements,
 556          myDoGroupOfBalls   && nbBalls,
 557          myDoAllInGroups);
 558     }
 559     list<DriverMED_FamilyPtr>::iterator aFamsIter;
 560     for (aFamsIter = aFamilies.begin(); aFamsIter != aFamilies.end(); aFamsIter++)
 561     {
 562       PFamilyInfo aFamilyInfo = (*aFamsIter)->GetFamilyInfo<LowLevelWriter>(myMed,aMeshInfo);
 563       myMed->SetFamilyInfo(aFamilyInfo);
 564     }
 565
 566     // Storing SMDS nodes to the MED file for the MED mesh
 567     //----------------------------------------------------
 568 #ifdef _EDF_NODE_IDS_
 569     typedef map<TInt,TInt> TNodeIdMap;
 570     TNodeIdMap aNodeIdMap;
 571 #endif
 572     const EModeSwitch   theMode        = eFULL_INTERLACE;
 573     const ERepere       theSystem      = eCART;
 574     const EBooleen      theIsElemNum   = eVRAI;
 575     const EBooleen      theIsElemNames = eFAUX;
 576     const EConnectivite theConnMode    = eNOD;
 577
 578     TInt aNbNodes = FromSmIdType<TInt>( myMesh->NbNodes() );
 579     PNodeInfo aNodeInfo = myMed->CrNodeInfo(aMeshInfo, aNbNodes,
 580                                             theMode, theSystem, theIsElemNum, theIsElemNames);
 581
 582     // find family numbers for nodes
 583     TElemFamilyMap anElemFamMap;
 584     fillElemFamilyMap( anElemFamMap, aFamilies, SMDSAbs_Node );
 585
 586     for (TInt iNode = 0; aCoordHelperPtr->Next(); iNode++)
 587     {
 588       // coordinates
 589       TCoordSlice aTCoordSlice = aNodeInfo->GetCoordSlice( iNode );
 590       for(TInt iCoord = 0; iCoord < aSpaceDimension; iCoord++){
 591         aTCoordSlice[iCoord] = aCoordHelperPtr->GetCoord(iCoord);
 592       }
 593       if ( aSpaceDimension == 3 &&
 594            -myZTolerance < aTCoordSlice[2] && aTCoordSlice[2] < myZTolerance )
 595         aTCoordSlice[2] = 0.;
 596
 597       // node number
 598       TInt aNodeID = FromSmIdType<TInt>( aCoordHelperPtr->GetID() );
 599       aNodeInfo->SetElemNum( iNode, aNodeID );
 600 #ifdef _EDF_NODE_IDS_
 601       aNodeIdMap.insert( aNodeIdMap.end(), make_pair( aNodeID, iNode+1 ));
 602 #endif
 603       // family number
 604       const SMDS_MeshNode* aNode = aCoordHelperPtr->GetNode();
 605       int famNum = getFamilyId( anElemFamMap, aNode, myNodesDefaultFamilyId );
 606       aNodeInfo->SetFamNum( iNode, famNum );
 607     }
 608     anElemFamMap.Clear();
 609
 610     // coordinate names and units
 611     for (TInt iCoord = 0; iCoord < aSpaceDimension; iCoord++) {
 612       aNodeInfo->SetCoordName( iCoord, aCoordHelperPtr->GetName(iCoord));
 613       aNodeInfo->SetCoordUnit( iCoord, aCoordHelperPtr->GetUnit(iCoord));
 614     }
 615
 616     //MESSAGE("Perform - aNodeInfo->GetNbElem() = "<<aNbNodes);
 617     myMed->SetNodeInfo(aNodeInfo);
 618     aNodeInfo.reset(); // free memory used for arrays
 619
 620
 621     // Storing SMDS elements to the MED file for the MED mesh
 622     //-------------------------------------------------------
 623     // Write one element type at once in order to minimize memory usage (PAL19276)
 624
 625     const SMDS_MeshInfo& nbElemInfo = myMesh->GetMeshInfo();
 626
 627     // poly elements are not supported by med-2.1
 628     bool polyTypesSupported = ( myMed->CrPolygoneInfo(aMeshInfo,eMAILLE,ePOLYGONE,0,0).get() != 0 );
 629     TInt nbPolygonNodes = 0, nbPolyhedronNodes = 0, nbPolyhedronFaces = 0;
 630
 631     // nodes on VERTEXes where 0D elements are absent
 632     std::vector<const SMDS_MeshElement*> nodesOf0D;
 633     std::vector< SMDS_ElemIteratorPtr > iterVec;
 634     SMDS_ElemIteratorPtr iterVecIter;
 635     if ( myAddODOnVertices && getNodesOfMissing0DOnVert( myMesh, nodesOf0D ))
 636     {
 637       iterVec.resize(2);
 638       iterVec[0] = myMesh->elementsIterator( SMDSAbs_0DElement );
 639       iterVec[1] = SMDS_ElemIteratorPtr
 640         ( new SMDS_ElementVectorIterator( nodesOf0D.begin(), nodesOf0D.end() ));
 641
 642       typedef SMDS_IteratorOnIterators
 643         < const SMDS_MeshElement *, std::vector< SMDS_ElemIteratorPtr > > TItIterator;
 644       iterVecIter = SMDS_ElemIteratorPtr( new TItIterator( iterVec ));
 645     }
 646
 647     // collect info on all geom types
 648
 649     list< TElemTypeData > aTElemTypeDatas;
 650
 651     EEntiteMaillage anEntity = eMAILLE;
 652 #ifdef _ELEMENTS_BY_DIM_
 653     anEntity = eNOEUD_ELEMENT;
 654 #endif
 655     aTElemTypeDatas.push_back(TElemTypeData(anEntity,
 656                                             ePOINT1,
 657                                             nbElemInfo.Nb0DElements() + nodesOf0D.size(),
 658                                             SMDSAbs_0DElement));
 659 #ifdef _ELEMENTS_BY_DIM_
 660     anEntity = eSTRUCT_ELEMENT;
 661 #endif
 662     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 663                                              eBALL,
 664                                              FromSmIdType<TInt>(nbElemInfo.NbBalls()),
 665                                              SMDSAbs_Ball));
 666 #ifdef _ELEMENTS_BY_DIM_
 667     anEntity = eARETE;
 668 #endif
 669     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 670                                              eSEG2,
 671                                              FromSmIdType<TInt>(nbElemInfo.NbEdges( ORDER_LINEAR )),
 672                                              SMDSAbs_Edge));
 673     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 674                                              eSEG3,
 675                                              FromSmIdType<TInt>(nbElemInfo.NbEdges( ORDER_QUADRATIC )),
 676                                              SMDSAbs_Edge));
 677 #ifdef _ELEMENTS_BY_DIM_
 678     anEntity = eFACE;
 679 #endif
 680     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 681                                              eTRIA3,
 682                                              FromSmIdType<TInt>(nbElemInfo.NbTriangles( ORDER_LINEAR )),
 683                                              SMDSAbs_Face));
 684     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 685                                              eTRIA6,
 686                                              FromSmIdType<TInt>(nbElemInfo.NbTriangles( ORDER_QUADRATIC ) -
 687                                              nbElemInfo.NbBiQuadTriangles()),
 688                                              SMDSAbs_Face));
 689     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 690                                              eTRIA7,
 691                                              FromSmIdType<TInt>(nbElemInfo.NbBiQuadTriangles()),
 692                                              SMDSAbs_Face));
 693     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 694                                              eQUAD4,
 695                                              FromSmIdType<TInt>(nbElemInfo.NbQuadrangles( ORDER_LINEAR )),
 696                                              SMDSAbs_Face));
 697     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 698                                              eQUAD8,
 699                                              FromSmIdType<TInt>(nbElemInfo.NbQuadrangles( ORDER_QUADRATIC ) -
 700                                              nbElemInfo.NbBiQuadQuadrangles()),
 701                                              SMDSAbs_Face));
 702     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 703                                              eQUAD9,
 704                                              FromSmIdType<TInt>(nbElemInfo.NbBiQuadQuadrangles()),
 705                                              SMDSAbs_Face));
 706     if ( polyTypesSupported ) {
 707       aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 708                                                ePOLYGONE,
 709                                                FromSmIdType<TInt>(nbElemInfo.NbPolygons( ORDER_LINEAR )),
 710                                                SMDSAbs_Face));
 711       // we need one more loop on poly elements to count nb of their nodes
 712       aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 713                                                ePOLYGONE,
 714                                                FromSmIdType<TInt>(nbElemInfo.NbPolygons( ORDER_LINEAR )),
 715                                                SMDSAbs_Face));
 716       aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 717                                                ePOLYGON2,
 718                                                FromSmIdType<TInt>(nbElemInfo.NbPolygons( ORDER_QUADRATIC )),
 719                                                SMDSAbs_Face));
 720       // we need one more loop on QUAD poly elements to count nb of their nodes
 721       aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 722                                                ePOLYGON2,
 723                                                FromSmIdType<TInt>(nbElemInfo.NbPolygons( ORDER_QUADRATIC )),
 724                                                SMDSAbs_Face));
 725     }
 726 #ifdef _ELEMENTS_BY_DIM_
 727     anEntity = eMAILLE;
 728 #endif
 729     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 730                                              eTETRA4,
 731                                              FromSmIdType<TInt>(nbElemInfo.NbTetras( ORDER_LINEAR )),
 732                                              SMDSAbs_Volume));
 733     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 734                                              eTETRA10,
 735                                              FromSmIdType<TInt>(nbElemInfo.NbTetras( ORDER_QUADRATIC )),
 736                                              SMDSAbs_Volume));
 737     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 738                                              ePYRA5,
 739                                              FromSmIdType<TInt>(nbElemInfo.NbPyramids( ORDER_LINEAR )),
 740                                              SMDSAbs_Volume));
 741     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 742                                              ePYRA13,
 743                                              FromSmIdType<TInt>(nbElemInfo.NbPyramids( ORDER_QUADRATIC )),
 744                                              SMDSAbs_Volume));
 745     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 746                                              ePENTA6,
 747                                              FromSmIdType<TInt>(nbElemInfo.NbPrisms( ORDER_LINEAR )),
 748                                              SMDSAbs_Volume));
 749     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 750                                              ePENTA15,
 751                                              FromSmIdType<TInt>(nbElemInfo.NbQuadPrisms()),
 752                                              SMDSAbs_Volume));
 753     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 754                                              ePENTA18,
 755                                              FromSmIdType<TInt>(nbElemInfo.NbBiQuadPrisms()),
 756                                              SMDSAbs_Volume));
 757     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 758                                              eHEXA8,
 759                                              FromSmIdType<TInt>(nbElemInfo.NbHexas( ORDER_LINEAR )),
 760                                              SMDSAbs_Volume));
 761     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 762                                              eHEXA20,
 763                                              FromSmIdType<TInt>(nbElemInfo.NbHexas( ORDER_QUADRATIC )-
 764                                              nbElemInfo.NbTriQuadHexas()),
 765                                              SMDSAbs_Volume));
 766     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 767                                              eHEXA27,
 768                                              FromSmIdType<TInt>(nbElemInfo.NbTriQuadHexas()),
 769                                              SMDSAbs_Volume));
 770     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 771                                              eOCTA12,
 772                                              FromSmIdType<TInt>(nbElemInfo.NbHexPrisms()),
 773                                              SMDSAbs_Volume));
 774     if ( polyTypesSupported ) {
 775       aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 776                                                ePOLYEDRE,
 777                                                FromSmIdType<TInt>(nbElemInfo.NbPolyhedrons()),
 778                                                SMDSAbs_Volume));
 779       // we need one more loop on poly elements to count nb of their nodes
 780       aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 781                                                ePOLYEDRE,
 782                                                FromSmIdType<TInt>(nbElemInfo.NbPolyhedrons()),
 783                                                SMDSAbs_Volume));
 784     }
 785
 786     vector< bool > isElemFamMapBuilt( SMDSAbs_NbElementTypes, false );
 787
 788     // loop on all geom types of elements
 789
 790     list< TElemTypeData >::iterator aElemTypeData = aTElemTypeDatas.begin();
 791     for ( ; aElemTypeData != aTElemTypeDatas.end(); ++aElemTypeData )
 792     {
 793       if ( aElemTypeData->_nbElems == 0 )
 794         continue;
 795
 796       int defaultFamilyId = 0;
 797       switch ( aElemTypeData->_smdsType ) {
 798       case SMDSAbs_0DElement: defaultFamilyId = my0DElementsDefaultFamilyId; break;
 799       case SMDSAbs_Ball:      defaultFamilyId = myBallsDefaultFamilyId;      break;
 800       case SMDSAbs_Edge:      defaultFamilyId = myEdgesDefaultFamilyId;      break;
 801       case SMDSAbs_Face:      defaultFamilyId = myFacesDefaultFamilyId;      break;
 802       case SMDSAbs_Volume:    defaultFamilyId = myVolumesDefaultFamilyId;    break;
 803       default:
 804         continue;
 805       }
 806
 807       // build map of family numbers for this type
 808       if ( !isElemFamMapBuilt[ aElemTypeData->_smdsType ])
 809       {
 810         fillElemFamilyMap( anElemFamMap, aFamilies, aElemTypeData->_smdsType );
 811         isElemFamMapBuilt[ aElemTypeData->_smdsType ] = true;
 812       }
 813
 814       // iterator on elements of a current type
 815       SMDS_ElemIteratorPtr elemIterator;
 816       TInt iElem = 0;
 817
 818       // Treat POLYGONs
 819       // ---------------
 820       if ( aElemTypeData->_geomType == ePOLYGONE ||
 821            aElemTypeData->_geomType == ePOLYGON2 )
 822       {
 823         if ( aElemTypeData->_geomType == ePOLYGONE )
 824           elemIterator = myMesh->elementEntityIterator( SMDSEntity_Polygon );
 825         else
 826           elemIterator = myMesh->elementEntityIterator( SMDSEntity_Quad_Polygon );
 827
 828         if ( nbPolygonNodes == 0 ) {
 829           // Count nb of nodes
 830           while ( elemIterator->more() ) {
 831             const SMDS_MeshElement* anElem = elemIterator->next();
 832             nbPolygonNodes += anElem->NbNodes();
 833             if ( ++iElem == aElemTypeData->_nbElems )
 834               break;
 835           }
 836         }
 837         else {
 838           // Store in med file
 839           PPolygoneInfo aPolygoneInfo = myMed->CrPolygoneInfo(aMeshInfo,
 840                                                               aElemTypeData->_entity,
 841                                                               aElemTypeData->_geomType,
 842                                                               aElemTypeData->_nbElems,
 843                                                               nbPolygonNodes,
 844                                                               theConnMode, theIsElemNum,
 845                                                               theIsElemNames);
 846           TElemNum & index = *(aPolygoneInfo->myIndex.get());
 847           index[0] = 1;
 848
 849           while ( elemIterator->more() )
 850           {
 851             const SMDS_MeshElement* anElem = elemIterator->next();
 852             // index
 853             TInt aNbNodes = anElem->NbNodes();
 854             index[ iElem+1 ] = index[ iElem ] + aNbNodes;
 855
 856             // connectivity
 857             TConnSlice aTConnSlice = aPolygoneInfo->GetConnSlice( iElem );
 858             for(TInt iNode = 0; iNode < aNbNodes; iNode++) {
 859               const SMDS_MeshElement* aNode = anElem->GetNode( iNode );
 860 #ifdef _EDF_NODE_IDS_
 861               aTConnSlice[ iNode ] = aNodeIdMap[FromSmIdType<TInt>(aNode->GetID())];
 862 #else
 863               aTConnSlice[ iNode ] = aNode->GetID();
 864 #endif
 865             }
 866             // element number
 867             aPolygoneInfo->SetElemNum( iElem, FromSmIdType<TInt>(anElem->GetID()) );
 868
 869             // family number
 870             int famNum = getFamilyId( anElemFamMap, anElem, defaultFamilyId );
 871             aPolygoneInfo->SetFamNum( iElem, famNum );
 872
 873             if ( ++iElem == aPolygoneInfo->GetNbElem() )
 874               break;
 875           }
 876           myMed->SetPolygoneInfo(aPolygoneInfo);
 877
 878           nbPolygonNodes = 0; // to treat next polygon type
 879         }
 880       }
 881
 882       // Treat POLYEDREs
 883       // ----------------
 884       else if ( aElemTypeData->_geomType == ePOLYEDRE )
 885       {
 886         elemIterator = myMesh->elementGeomIterator( SMDSGeom_POLYHEDRA );
 887
 888         if ( nbPolyhedronNodes == 0 ) {
 889           // Count nb of nodes
 890           while ( elemIterator->more() ) {
 891             const SMDS_MeshElement*  anElem = elemIterator->next();
 892             nbPolyhedronNodes += anElem->NbNodes();
 893             nbPolyhedronFaces += anElem->NbFaces();
 894             if ( ++iElem == aElemTypeData->_nbElems )
 895               break;
 896           }
 897         }
 898         else {
 899           // Store in med file
 900           PPolyedreInfo aPolyhInfo = myMed->CrPolyedreInfo(aMeshInfo,
 901                                                            aElemTypeData->_entity,
 902                                                            aElemTypeData->_geomType,
 903                                                            aElemTypeData->_nbElems,
 904                                                            nbPolyhedronFaces+1,
 905                                                            nbPolyhedronNodes,
 906                                                            theConnMode,
 907                                                            theIsElemNum,
 908                                                            theIsElemNames);
 909           TElemNum & index = *(aPolyhInfo->myIndex.get());
 910           TElemNum & faces = *(aPolyhInfo->myFaces.get());
 911           TElemNum & conn  = *(aPolyhInfo->myConn.get());
 912           index[0] = 1;
 913           faces[0] = 1;
 914
 915           TInt iFace = 0, iNode = 0;
 916           while ( elemIterator->more() )
 917           {
 918             const SMDS_MeshElement* anElem = elemIterator->next();
 919             const SMDS_MeshVolume *aPolyedre = myMesh->DownCast< SMDS_MeshVolume >( anElem );
 920             if ( !aPolyedre ) continue;
 921             // index
 922             TInt aNbFaces = aPolyedre->NbFaces();
 923             index[ iElem+1 ] = index[ iElem ] + aNbFaces;
 924
 925             // face index
 926             for (TInt f = 1; f <= aNbFaces; ++f, ++iFace ) {
 927               int aNbFaceNodes = aPolyedre->NbFaceNodes( f );
 928               faces[ iFace+1 ] = faces[ iFace ] + aNbFaceNodes;
 929             }
 930             // connectivity
 931             SMDS_ElemIteratorPtr nodeIt = anElem->nodesIterator();
 932             while ( nodeIt->more() ) {
 933               const SMDS_MeshElement* aNode = nodeIt->next();
 934 #ifdef _EDF_NODE_IDS_
 935               conn[ iNode ] = aNodeIdMap[FromSmIdType<TInt>(aNode->GetID())];
 936 #else
 937               conn[ iNode ] = aNode->GetID();
 938 #endif
 939               ++iNode;
 940             }
 941             // element number
 942             aPolyhInfo->SetElemNum( iElem, FromSmIdType<TInt>(anElem->GetID()) );
 943
 944             // family number
 945             int famNum = getFamilyId( anElemFamMap, anElem, defaultFamilyId );
 946             aPolyhInfo->SetFamNum( iElem, famNum );
 947
 948             if ( ++iElem == aPolyhInfo->GetNbElem() )
 949               break;
 950           }
 951           myMed->SetPolyedreInfo(aPolyhInfo);
 952         }
 953       } // if (aElemTypeData->_geomType == ePOLYEDRE )
 954
 955       // Treat BALLs
 956       // ----------------
 957       else if (aElemTypeData->_geomType == eBALL )
 958       {
 959         // allocate data arrays
 960         PBallInfo aBallInfo = myMed->CrBallInfo( aMeshInfo, aElemTypeData->_nbElems );
 961
 962         elemIterator = myMesh->elementsIterator( SMDSAbs_Ball );
 963         while ( elemIterator->more() )
 964         {
 965           const SMDS_MeshElement* anElem = elemIterator->next();
 966           // connectivity
 967           const SMDS_MeshElement* aNode = anElem->GetNode( 0 );
 968 #ifdef _EDF_NODE_IDS_
 969           (*aBallInfo->myConn)[ iElem ] = aNodeIdMap[FromSmIdType<TInt>(aNode->GetID())];
 970 #else
 971           (*aBallInfo->myConn)[ iElem ] = aNode->GetID();
 972 #endif
 973           // element number
 974           aBallInfo->SetElemNum( iElem, FromSmIdType<TInt>(anElem->GetID()) );
 975
 976           // diameter
 977           aBallInfo->myDiameters[ iElem ] =
 978             static_cast<const SMDS_BallElement*>( anElem )->GetDiameter();
 979
 980           // family number
 981           int famNum = getFamilyId( anElemFamMap, anElem, defaultFamilyId );
 982           aBallInfo->SetFamNum( iElem, famNum );
 983           ++iElem;
 984         }
 985         // store data in a file
 986         myMed->SetBallInfo(aBallInfo);
 987       }
 988
 989       else
 990       {
 991         // Treat standard types
 992         // ---------------------
 993         // allocate data arrays
 994         PCellInfo aCellInfo = myMed->CrCellInfo( aMeshInfo,
 995                                                  aElemTypeData->_entity,
 996                                                  aElemTypeData->_geomType,
 997                                                  aElemTypeData->_nbElems,
 998                                                  theConnMode,
 999                                                  theIsElemNum,
1000                                                  theIsElemNames);
1001
1002         TInt aNbNodes = MED::GetNbNodes(aElemTypeData->_geomType);
1003         elemIterator = myMesh->elementsIterator( aElemTypeData->_smdsType );
1004         if ( aElemTypeData->_smdsType == SMDSAbs_0DElement && ! nodesOf0D.empty() )
1005           elemIterator = iterVecIter;
1006         while ( elemIterator->more() )
1007         {
1008           const SMDS_MeshElement* anElem = elemIterator->next();
1009           if ( anElem->NbNodes() != aNbNodes || anElem->IsPoly() )
1010             continue; // other geometry
1011
1012           // connectivity
1013           TConnSlice aTConnSlice = aCellInfo->GetConnSlice( iElem );
1014           for (TInt iNode = 0; iNode < aNbNodes; iNode++) {
1015             const SMDS_MeshElement* aNode = anElem->GetNode( iNode );
1016 #ifdef _EDF_NODE_IDS_
1017             aTConnSlice[ iNode ] = aNodeIdMap[FromSmIdType<TInt>(aNode->GetID())];
1018 #else
1019             aTConnSlice[ iNode ] = aNode->GetID();
1020 #endif
1021           }
1022           // element number
1023           aCellInfo->SetElemNum( iElem, FromSmIdType<TInt>(anElem->GetID()) );
1024
1025           // family number
1026           int famNum = getFamilyId( anElemFamMap, anElem, defaultFamilyId );
1027           aCellInfo->SetFamNum( iElem, famNum );
1028
1029           if ( ++iElem == aCellInfo->GetNbElem() )
1030             break;
1031         }
1032         // store data in a file
1033         myMed->SetCellInfo(aCellInfo);
1034       }
1035     } // loop on geom types
1036   }
1037   catch(const std::exception& exc) {
1038     INFOS("The following exception was caught:\n\t"<<exc.what());
1039     throw;
1040   }
1041   catch(...) {
1042     INFOS("Unknown exception was caught !!!");
1043     throw;
1044   }
1045
1046   myMeshId = -1;
1047   myGroups.clear();
1048   mySubMeshes.clear();
1049   return aResult;
1050 }
1051
1052 //================================================================================
1053 /*!
1054  * \brief Returns nodes on VERTEXes where 0D elements are absent
1055  */
1056 //================================================================================
1057
1058 bool DriverMED_W_SMESHDS_Mesh::
1059 getNodesOfMissing0DOnVert(SMESHDS_Mesh*                         meshDS,
1060                           std::vector<const SMDS_MeshElement*>& nodes)
1061 {
1062   nodes.clear();
1063   for ( int i = 1; i <= meshDS->MaxShapeIndex(); ++i )
1064   {
1065     if ( meshDS->IndexToShape( i ).ShapeType() != TopAbs_VERTEX )
1066       continue;
1067     if ( SMESHDS_SubMesh* sm = meshDS->MeshElements(i) ) {
1068       SMDS_NodeIteratorPtr nIt= sm->GetNodes();
1069       while (nIt->more())
1070       {
1071         const SMDS_MeshNode* n = nIt->next();
1072         if ( n->NbInverseElements( SMDSAbs_0DElement ) == 0 )
1073           nodes.push_back( n );
1074       }
1075     }
1076   }
1077   return !nodes.empty();
1078 }