src/DriverMED/DriverMED_W_SMESHDS_Mesh.cxx

   1 // Copyright (C) 2007-2016  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_MeshElement.hxx"
  35 #include "SMDS_MeshNode.hxx"
  36 #include "SMDS_PolyhedralVolumeOfNodes.hxx"
  37 #include "SMDS_SetIterator.hxx"
  38 #include "SMESHDS_Mesh.hxx"
  39
  40 #include <BRep_Tool.hxx>
  41 #include <TopExp_Explorer.hxx>
  42 #include <TopoDS.hxx>
  43
  44 #include <utilities.h>
  45
  46
  47 #define _EDF_NODE_IDS_
  48 //#define _ELEMENTS_BY_DIM_
  49
  50 using namespace std;
  51 using namespace MED;
  52
  53
  54 DriverMED_W_SMESHDS_Mesh::DriverMED_W_SMESHDS_Mesh():
  55   myAllSubMeshes (false),
  56   myDoGroupOfNodes (false),
  57   myDoGroupOfEdges (false),
  58   myDoGroupOfFaces (false),
  59   myDoGroupOfVolumes (false),
  60   myDoGroupOf0DElems(false),
  61   myDoGroupOfBalls(false),
  62   myAutoDimension(false),
  63   myAddODOnVertices(false),
  64   myDoAllInGroups(false)
  65 {}
  66
  67 void DriverMED_W_SMESHDS_Mesh::SetFile(const std::string& theFileName)
  68 {
  69   Driver_SMESHDS_Mesh::SetFile(theFileName);
  70 }
  71
  72 void DriverMED_W_SMESHDS_Mesh::AddGroup(SMESHDS_GroupBase* theGroup)
  73 {
  74   myGroups.push_back(theGroup);
  75 }
  76
  77 void DriverMED_W_SMESHDS_Mesh::AddAllSubMeshes()
  78 {
  79   myAllSubMeshes = true;
  80 }
  81
  82 void DriverMED_W_SMESHDS_Mesh::AddSubMesh(SMESHDS_SubMesh* theSubMesh, int theID)
  83 {
  84   mySubMeshes.push_back( theSubMesh );
  85 }
  86
  87 void DriverMED_W_SMESHDS_Mesh::AddGroupOfNodes()
  88 {
  89   myDoGroupOfNodes = true;
  90 }
  91
  92 void DriverMED_W_SMESHDS_Mesh::AddGroupOfEdges()
  93 {
  94   myDoGroupOfEdges = true;
  95 }
  96
  97 void DriverMED_W_SMESHDS_Mesh::AddGroupOfFaces()
  98 {
  99   myDoGroupOfFaces = true;
 100 }
 101
 102 void DriverMED_W_SMESHDS_Mesh::AddGroupOfVolumes()
 103 {
 104   myDoGroupOfVolumes = true;
 105 }
 106
 107 void DriverMED_W_SMESHDS_Mesh::AddGroupOf0DElems()
 108 {
 109   myDoGroupOf0DElems = true;
 110 }
 111
 112 void DriverMED_W_SMESHDS_Mesh::AddGroupOfBalls()
 113 {
 114   myDoGroupOfBalls = true;
 115 }
 116
 117 //================================================================================
 118 /*!
 119  * \brief Set up a flag to add all elements not belonging to any group to
 120  *        some auxiliary group. This is needed for SMESH -> SAUVE -> SMESH conversion,
 121  *        which since PAL0023285 reads only SAUVE elements belonging to any group,
 122  *        and hence can lose some elements. That auxiliary group is ignored while
 123  *        reading a MED file.
 124  */
 125 //================================================================================
 126
 127 void DriverMED_W_SMESHDS_Mesh::AddAllToGroup()
 128 {
 129   myDoAllInGroups = true;
 130 }
 131
 132
 133 namespace
 134 {
 135   typedef double (SMDS_MeshNode::* TGetCoord)() const;
 136   typedef const char* TName;
 137   typedef const char* TUnit;
 138
 139   // name length in a mesh must be equal to 16 :
 140   //         1234567890123456
 141   TName M = "m               ";
 142   TName X = "x               ";
 143   TName Y = "y               ";
 144   TName Z = "z               ";
 145
 146   TUnit aUnit[3] = {M,M,M};
 147
 148   // 3 dim
 149   TGetCoord aXYZGetCoord[3] = {
 150     &SMDS_MeshNode::X,
 151     &SMDS_MeshNode::Y,
 152     &SMDS_MeshNode::Z
 153   };
 154   TName aXYZName[3] = {X,Y,Z};
 155
 156   // 2 dim
 157   TGetCoord aXYGetCoord[2] = {
 158     &SMDS_MeshNode::X,
 159     &SMDS_MeshNode::Y
 160   };
 161   TName aXYName[2] = {X,Y};
 162
 163   TGetCoord aYZGetCoord[2] = {
 164     &SMDS_MeshNode::Y,
 165     &SMDS_MeshNode::Z
 166   };
 167   TName aYZName[2] = {Y,Z};
 168
 169   TGetCoord aXZGetCoord[2] = {
 170     &SMDS_MeshNode::X,
 171     &SMDS_MeshNode::Z
 172   };
 173   TName aXZName[2] = {X,Z};
 174
 175   // 1 dim
 176   TGetCoord aXGetCoord[1] = {
 177     &SMDS_MeshNode::X
 178   };
 179   TName aXName[1] = {X};
 180
 181   TGetCoord aYGetCoord[1] = {
 182     &SMDS_MeshNode::Y
 183   };
 184   TName aYName[1] = {Y};
 185
 186   TGetCoord aZGetCoord[1] = {
 187     &SMDS_MeshNode::Z
 188   };
 189   TName aZName[1] = {Z};
 190
 191
 192   class TCoordHelper{
 193     SMDS_NodeIteratorPtr myNodeIter;
 194     const SMDS_MeshNode* myCurrentNode;
 195     TGetCoord* myGetCoord;
 196     TName* myName;
 197     TUnit* myUnit;
 198   public:
 199     TCoordHelper(const SMDS_NodeIteratorPtr& theNodeIter,
 200                  TGetCoord* theGetCoord,
 201                  TName* theName,
 202                  TUnit* theUnit = aUnit):
 203       myNodeIter(theNodeIter),
 204       myGetCoord(theGetCoord),
 205       myName(theName),
 206       myUnit(theUnit)
 207     {}
 208     virtual ~TCoordHelper(){}
 209     bool Next(){
 210       return myNodeIter->more() &&
 211         (myCurrentNode = myNodeIter->next());
 212     }
 213     const SMDS_MeshNode* GetNode(){
 214       return myCurrentNode;
 215     }
 216     MED::TIntVector::value_type GetID(){
 217       return myCurrentNode->GetID();
 218     }
 219     MED::TFloatVector::value_type GetCoord(TInt theCoodId){
 220       return (myCurrentNode->*myGetCoord[theCoodId])();
 221     }
 222     MED::TStringVector::value_type GetName(TInt theDimId){
 223       return myName[theDimId];
 224     }
 225     MED::TStringVector::value_type GetUnit(TInt theDimId){
 226       return myUnit[theDimId];
 227     }
 228   };
 229   typedef boost::shared_ptr<TCoordHelper> TCoordHelperPtr;
 230
 231   //-------------------------------------------------------
 232   /*!
 233    * \brief Structure describing element type
 234    */
 235   //-------------------------------------------------------
 236   struct TElemTypeData
 237   {
 238     EEntiteMaillage     _entity;
 239     EGeometrieElement   _geomType;
 240     TInt                _nbElems;
 241     SMDSAbs_ElementType _smdsType;
 242
 243     TElemTypeData (EEntiteMaillage entity, EGeometrieElement geom, TInt nb, SMDSAbs_ElementType type)
 244       : _entity(entity), _geomType(geom), _nbElems( nb ), _smdsType( type ) {}
 245   };
 246
 247
 248   typedef NCollection_DataMap< Standard_Address, int > TElemFamilyMap;
 249
 250   //================================================================================
 251   /*!
 252    * \brief Fills element to famaly ID map for element type.
 253    * Removes all families of anElemType
 254    */
 255   //================================================================================
 256
 257   void fillElemFamilyMap( TElemFamilyMap &            anElemFamMap,
 258                           list<DriverMED_FamilyPtr> & aFamilies,
 259                           const SMDSAbs_ElementType   anElemType)
 260   {
 261     anElemFamMap.Clear();
 262     list<DriverMED_FamilyPtr>::iterator aFamsIter = aFamilies.begin();
 263     while ( aFamsIter != aFamilies.end() )
 264     {
 265       if ((*aFamsIter)->GetType() != anElemType) {
 266         aFamsIter++;
 267       }
 268       else {
 269         int aFamId = (*aFamsIter)->GetId();
 270         const ElementsSet&              anElems = (*aFamsIter)->GetElements();
 271         ElementsSet::const_iterator anElemsIter = anElems.begin();
 272         for (; anElemsIter != anElems.end(); anElemsIter++)
 273         {
 274           anElemFamMap.Bind( (Standard_Address)*anElemsIter, aFamId );
 275         }
 276         // remove a family from the list
 277         aFamilies.erase( aFamsIter++ );
 278       }
 279     }
 280   }
 281
 282   //================================================================================
 283   /*!
 284    * \brief For an element, return family ID found in the map or a default one
 285    */
 286   //================================================================================
 287
 288   int getFamilyId( const TElemFamilyMap &  anElemFamMap,
 289                    const SMDS_MeshElement* anElement,
 290                    const int               aDefaultFamilyId)
 291   {
 292     if ( anElemFamMap.IsBound( (Standard_Address) anElement ))
 293       return anElemFamMap( (Standard_Address) anElement );
 294
 295     return aDefaultFamilyId;
 296   }
 297
 298   //================================================================================
 299   /*!
 300    * \brief Returns iterator on sub-meshes
 301    */
 302   //================================================================================
 303
 304   SMESHDS_SubMeshIteratorPtr getIterator( std::vector<SMESHDS_SubMesh*>& mySubMeshes )
 305   {
 306     return SMESHDS_SubMeshIteratorPtr
 307       ( new SMDS_SetIterator
 308         < const SMESHDS_SubMesh*, std::vector< SMESHDS_SubMesh* >::iterator >( mySubMeshes.begin(),
 309                                                                                mySubMeshes.end() ));
 310   }
 311 }
 312
 313 Driver_Mesh::Status DriverMED_W_SMESHDS_Mesh::Perform()
 314 {
 315   Status aResult = DRS_OK;
 316   if (myMesh->hasConstructionEdges() || myMesh->hasConstructionFaces()) {
 317     INFOS("SMDS_MESH with hasConstructionEdges() or hasConstructionFaces() do not supports!!!");
 318     return DRS_FAIL;
 319   }
 320   try {
 321     //MESSAGE("Perform - myFile : "<<myFile);
 322
 323     // Creating the MED mesh for corresponding SMDS structure
 324     //-------------------------------------------------------
 325     string aMeshName;
 326     if (myMeshId != -1) {
 327       ostringstream aMeshNameStr;
 328       aMeshNameStr<<myMeshId;
 329       aMeshName = aMeshNameStr.str();
 330     } else {
 331       aMeshName = myMeshName;
 332     }
 333
 334     // Mesh dimension definition
 335
 336     TInt aMeshDimension = 0;
 337     if ( myMesh->NbEdges() > 0 )
 338       aMeshDimension = 1;
 339     if ( myMesh->NbFaces() > 0 )
 340       aMeshDimension = 2;
 341     if ( myMesh->NbVolumes() > 0 )
 342       aMeshDimension = 3;
 343
 344     TInt aSpaceDimension = 3;
 345     TCoordHelperPtr aCoordHelperPtr;
 346     {
 347       bool anIsXDimension = false;
 348       bool anIsYDimension = false;
 349       bool anIsZDimension = false;
 350       if ( myAutoDimension && aMeshDimension < 3 )
 351       {
 352         SMDS_NodeIteratorPtr aNodesIter = myMesh->nodesIterator();
 353         double aBounds[6];
 354         if(aNodesIter->more()){
 355           const SMDS_MeshNode* aNode = aNodesIter->next();
 356           aBounds[0] = aBounds[1] = aNode->X();
 357           aBounds[2] = aBounds[3] = aNode->Y();
 358           aBounds[4] = aBounds[5] = aNode->Z();
 359         }
 360         while(aNodesIter->more()){
 361           const SMDS_MeshNode* aNode = aNodesIter->next();
 362           aBounds[0] = min(aBounds[0],aNode->X());
 363           aBounds[1] = max(aBounds[1],aNode->X());
 364
 365           aBounds[2] = min(aBounds[2],aNode->Y());
 366           aBounds[3] = max(aBounds[3],aNode->Y());
 367
 368           aBounds[4] = min(aBounds[4],aNode->Z());
 369           aBounds[5] = max(aBounds[5],aNode->Z());
 370         }
 371
 372         double EPS = 1.0E-7;
 373         TopoDS_Shape mainShape = myMesh->ShapeToMesh();
 374         bool    hasShapeToMesh = ( myMesh->SubMeshIndices().size() > 1 );
 375         if ( !mainShape.IsNull() && hasShapeToMesh )
 376         {
 377           // define EPS by max tolerance of the mainShape (IPAL53097)
 378           TopExp_Explorer subShape;
 379           for ( subShape.Init( mainShape, TopAbs_FACE ); subShape.More(); subShape.Next() ) {
 380             EPS = Max( EPS, BRep_Tool::Tolerance( TopoDS::Face( subShape.Current() )));
 381           }
 382           for ( subShape.Init( mainShape, TopAbs_EDGE ); subShape.More(); subShape.Next() ) {
 383             EPS = Max( EPS, BRep_Tool::Tolerance( TopoDS::Edge( subShape.Current() )));
 384           }
 385           for ( subShape.Init( mainShape, TopAbs_VERTEX ); subShape.More(); subShape.Next() ) {
 386             EPS = Max( EPS, BRep_Tool::Tolerance( TopoDS::Vertex( subShape.Current() )));
 387           }
 388           EPS *= 2.;
 389         }
 390         anIsXDimension = (aBounds[1] - aBounds[0]) + abs(aBounds[1]) + abs(aBounds[0]) > EPS;
 391         anIsYDimension = (aBounds[3] - aBounds[2]) + abs(aBounds[3]) + abs(aBounds[2]) > EPS;
 392         anIsZDimension = (aBounds[5] - aBounds[4]) + abs(aBounds[5]) + abs(aBounds[4]) > EPS;
 393         aSpaceDimension = Max( aMeshDimension, anIsXDimension + anIsYDimension + anIsZDimension );
 394         if ( !aSpaceDimension )
 395           aSpaceDimension = 3;
 396         // PAL16857(SMESH not conform to the MED convention):
 397         if ( aSpaceDimension == 2 && anIsZDimension ) // 2D only if mesh is in XOY plane
 398           aSpaceDimension = 3;
 399         // PAL18941(a saved study with a mesh belong Z is opened and the mesh is belong X)
 400         if ( aSpaceDimension == 1 && !anIsXDimension ) {// 1D only if mesh is along OX
 401           if ( anIsYDimension ) {
 402             aSpaceDimension = 2;
 403             anIsXDimension = true;
 404           } else {
 405             aSpaceDimension = 3;
 406           }
 407         }
 408       }
 409
 410       SMDS_NodeIteratorPtr aNodesIter = myMesh->nodesIterator(/*idInceasingOrder=*/true);
 411       switch ( aSpaceDimension ) {
 412       case 3:
 413         aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aXYZGetCoord,aXYZName));
 414         break;
 415       case 2:
 416         if(anIsXDimension && anIsYDimension)
 417           aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aXYGetCoord,aXYName));
 418         if(anIsYDimension && anIsZDimension)
 419           aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aYZGetCoord,aYZName));
 420         if(anIsXDimension && anIsZDimension)
 421           aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aXZGetCoord,aXZName));
 422         break;
 423       case 1:
 424         if(anIsXDimension)
 425           aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aXGetCoord,aXName));
 426         if(anIsYDimension)
 427           aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aYGetCoord,aYName));
 428         if(anIsZDimension)
 429           aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aZGetCoord,aZName));
 430         break;
 431       }
 432     }
 433
 434     MED::PWrapper myMed = CrWrapperW(myFile);
 435     PMeshInfo aMeshInfo = myMed->CrMeshInfo(aMeshDimension,aSpaceDimension,aMeshName);
 436     //MESSAGE("Add - aMeshName : "<<aMeshName<<"; "<<aMeshInfo->GetName());
 437     myMed->SetMeshInfo(aMeshInfo);
 438
 439     // Storing SMDS groups and sub-meshes as med families
 440     //----------------------------------------------------
 441     int myNodesDefaultFamilyId      = 0;
 442     int my0DElementsDefaultFamilyId = 0;
 443     int myBallsDefaultFamilyId      = 0;
 444     int myEdgesDefaultFamilyId      = 0;
 445     int myFacesDefaultFamilyId      = 0;
 446     int myVolumesDefaultFamilyId    = 0;
 447     int nbNodes      = myMesh->NbNodes();
 448     int nb0DElements = myMesh->Nb0DElements();
 449     int nbBalls      = myMesh->NbBalls();
 450     int nbEdges      = myMesh->NbEdges();
 451     int nbFaces      = myMesh->NbFaces();
 452     int nbVolumes    = myMesh->NbVolumes();
 453     if (myDoGroupOfNodes)   myNodesDefaultFamilyId      = REST_NODES_FAMILY;
 454     if (myDoGroupOfEdges)   myEdgesDefaultFamilyId      = REST_EDGES_FAMILY;
 455     if (myDoGroupOfFaces)   myFacesDefaultFamilyId      = REST_FACES_FAMILY;
 456     if (myDoGroupOfVolumes) myVolumesDefaultFamilyId    = REST_VOLUMES_FAMILY;
 457     if (myDoGroupOf0DElems) my0DElementsDefaultFamilyId = REST_0DELEM_FAMILY;
 458     if (myDoGroupOfBalls)   myBallsDefaultFamilyId      = REST_BALL_FAMILY;
 459     if (myDoAllInGroups )
 460     {
 461       if (!myDoGroupOfEdges)   myEdgesDefaultFamilyId      = NIG_EDGES_FAMILY   ;
 462       if (!myDoGroupOfFaces)   myFacesDefaultFamilyId      = NIG_FACES_FAMILY   ;
 463       if (!myDoGroupOfVolumes) myVolumesDefaultFamilyId    = NIG_VOLS_FAMILY    ;
 464       if (!myDoGroupOf0DElems) my0DElementsDefaultFamilyId = NIG_0DELEM_FAMILY  ;
 465       if (!myDoGroupOfBalls)   myBallsDefaultFamilyId      = NIG_BALL_FAMILY    ;
 466     }
 467
 468     //MESSAGE("Perform - aFamilyInfo");
 469     list<DriverMED_FamilyPtr> aFamilies;
 470     if (myAllSubMeshes) {
 471       aFamilies = DriverMED_Family::MakeFamilies
 472         (myMesh->SubMeshes(), myGroups,
 473          myDoGroupOfNodes   && nbNodes,
 474          myDoGroupOfEdges   && nbEdges,
 475          myDoGroupOfFaces   && nbFaces,
 476          myDoGroupOfVolumes && nbVolumes,
 477          myDoGroupOf0DElems && nb0DElements,
 478          myDoGroupOfBalls   && nbBalls,
 479          myDoAllInGroups);
 480     }
 481     else {
 482       aFamilies = DriverMED_Family::MakeFamilies
 483         (getIterator( mySubMeshes ), myGroups,
 484          myDoGroupOfNodes   && nbNodes,
 485          myDoGroupOfEdges   && nbEdges,
 486          myDoGroupOfFaces   && nbFaces,
 487          myDoGroupOfVolumes && nbVolumes,
 488          myDoGroupOf0DElems && nb0DElements,
 489          myDoGroupOfBalls   && nbBalls,
 490          myDoAllInGroups);
 491     }
 492     list<DriverMED_FamilyPtr>::iterator aFamsIter;
 493     for (aFamsIter = aFamilies.begin(); aFamsIter != aFamilies.end(); aFamsIter++)
 494     {
 495       PFamilyInfo aFamilyInfo = (*aFamsIter)->GetFamilyInfo(myMed,aMeshInfo);
 496       myMed->SetFamilyInfo(aFamilyInfo);
 497     }
 498
 499     // Storing SMDS nodes to the MED file for the MED mesh
 500     //----------------------------------------------------
 501 #ifdef _EDF_NODE_IDS_
 502     typedef map<TInt,TInt> TNodeIdMap;
 503     TNodeIdMap aNodeIdMap;
 504 #endif
 505     const EModeSwitch   theMode        = eFULL_INTERLACE;
 506     const ERepere       theSystem      = eCART;
 507     const EBooleen      theIsElemNum   = eVRAI;
 508     const EBooleen      theIsElemNames = eFAUX;
 509     const EConnectivite theConnMode    = eNOD;
 510
 511     TInt aNbNodes = myMesh->NbNodes();
 512     PNodeInfo aNodeInfo = myMed->CrNodeInfo(aMeshInfo, aNbNodes,
 513                                             theMode, theSystem, theIsElemNum, theIsElemNames);
 514
 515     // find family numbers for nodes
 516     TElemFamilyMap anElemFamMap;
 517     fillElemFamilyMap( anElemFamMap, aFamilies, SMDSAbs_Node );
 518
 519     for (TInt iNode = 0; aCoordHelperPtr->Next(); iNode++)
 520     {
 521       // coordinates
 522       TCoordSlice aTCoordSlice = aNodeInfo->GetCoordSlice( iNode );
 523       for(TInt iCoord = 0; iCoord < aSpaceDimension; iCoord++){
 524         aTCoordSlice[iCoord] = aCoordHelperPtr->GetCoord(iCoord);
 525       }
 526       // node number
 527       int aNodeID = aCoordHelperPtr->GetID();
 528       aNodeInfo->SetElemNum( iNode, aNodeID );
 529 #ifdef _EDF_NODE_IDS_
 530       aNodeIdMap.insert( aNodeIdMap.end(), make_pair( aNodeID, iNode+1 ));
 531 #endif
 532       // family number
 533       const SMDS_MeshNode* aNode = aCoordHelperPtr->GetNode();
 534       int famNum = getFamilyId( anElemFamMap, aNode, myNodesDefaultFamilyId );
 535       aNodeInfo->SetFamNum( iNode, famNum );
 536     }
 537     anElemFamMap.Clear();
 538
 539     // coordinate names and units
 540     for (TInt iCoord = 0; iCoord < aSpaceDimension; iCoord++) {
 541       aNodeInfo->SetCoordName( iCoord, aCoordHelperPtr->GetName(iCoord));
 542       aNodeInfo->SetCoordUnit( iCoord, aCoordHelperPtr->GetUnit(iCoord));
 543     }
 544
 545     //MESSAGE("Perform - aNodeInfo->GetNbElem() = "<<aNbNodes);
 546     myMed->SetNodeInfo(aNodeInfo);
 547     aNodeInfo.reset(); // free memory used for arrays
 548
 549
 550     // Storing SMDS elements to the MED file for the MED mesh
 551     //-------------------------------------------------------
 552     // Write one element type at once in order to minimize memory usage (PAL19276)
 553
 554     const SMDS_MeshInfo& nbElemInfo = myMesh->GetMeshInfo();
 555
 556     // poly elements are not supported by med-2.1
 557     bool polyTypesSupported = ( myMed->CrPolygoneInfo(aMeshInfo,eMAILLE,ePOLYGONE,0,0).get() != 0 );
 558     TInt nbPolygonNodes = 0, nbPolyhedronNodes = 0, nbPolyhedronFaces = 0;
 559
 560     // nodes on VERTEXes where 0D elements are absent
 561     std::vector<const SMDS_MeshElement*> nodesOf0D;
 562     std::vector< SMDS_ElemIteratorPtr > iterVec;
 563     SMDS_ElemIteratorPtr iterVecIter;
 564     if ( myAddODOnVertices && getNodesOfMissing0DOnVert( myMesh, nodesOf0D ))
 565     {
 566       iterVec.resize(2);
 567       iterVec[0] = myMesh->elementsIterator( SMDSAbs_0DElement );
 568       iterVec[1] = SMDS_ElemIteratorPtr
 569         ( new SMDS_ElementVectorIterator( nodesOf0D.begin(), nodesOf0D.end() ));
 570
 571       typedef SMDS_IteratorOnIterators
 572         < const SMDS_MeshElement *, std::vector< SMDS_ElemIteratorPtr > > TItIterator;
 573       iterVecIter = SMDS_ElemIteratorPtr( new TItIterator( iterVec ));
 574     }
 575
 576     // collect info on all geom types
 577
 578     list< TElemTypeData > aTElemTypeDatas;
 579
 580     EEntiteMaillage anEntity = eMAILLE;
 581 #ifdef _ELEMENTS_BY_DIM_
 582     anEntity = eNOEUD_ELEMENT;
 583 #endif
 584     aTElemTypeDatas.push_back(TElemTypeData(anEntity,
 585                                             ePOINT1,
 586                                             nbElemInfo.Nb0DElements() + nodesOf0D.size(),
 587                                             SMDSAbs_0DElement));
 588 #ifdef _ELEMENTS_BY_DIM_
 589     anEntity = eSTRUCT_ELEMENT;
 590 #endif
 591     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 592                                              eBALL,
 593                                              nbElemInfo.NbBalls(),
 594                                              SMDSAbs_Ball));
 595 #ifdef _ELEMENTS_BY_DIM_
 596     anEntity = eARETE;
 597 #endif
 598     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 599                                              eSEG2,
 600                                              nbElemInfo.NbEdges( ORDER_LINEAR ),
 601                                              SMDSAbs_Edge));
 602     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 603                                              eSEG3,
 604                                              nbElemInfo.NbEdges( ORDER_QUADRATIC ),
 605                                              SMDSAbs_Edge));
 606 #ifdef _ELEMENTS_BY_DIM_
 607     anEntity = eFACE;
 608 #endif
 609     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 610                                              eTRIA3,
 611                                              nbElemInfo.NbTriangles( ORDER_LINEAR ),
 612                                              SMDSAbs_Face));
 613     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 614                                              eTRIA6,
 615                                              nbElemInfo.NbTriangles( ORDER_QUADRATIC ) -
 616                                              nbElemInfo.NbBiQuadTriangles(),
 617                                              SMDSAbs_Face));
 618     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 619                                              eTRIA7,
 620                                              nbElemInfo.NbBiQuadTriangles(),
 621                                              SMDSAbs_Face));
 622     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 623                                              eQUAD4,
 624                                              nbElemInfo.NbQuadrangles( ORDER_LINEAR ),
 625                                              SMDSAbs_Face));
 626     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 627                                              eQUAD8,
 628                                              nbElemInfo.NbQuadrangles( ORDER_QUADRATIC ) -
 629                                              nbElemInfo.NbBiQuadQuadrangles(),
 630                                              SMDSAbs_Face));
 631     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 632                                              eQUAD9,
 633                                              nbElemInfo.NbBiQuadQuadrangles(),
 634                                              SMDSAbs_Face));
 635     if ( polyTypesSupported ) {
 636       aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 637                                                ePOLYGONE,
 638                                                nbElemInfo.NbPolygons( ORDER_LINEAR ),
 639                                                SMDSAbs_Face));
 640       // we need one more loop on poly elements to count nb of their nodes
 641       aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 642                                                ePOLYGONE,
 643                                                nbElemInfo.NbPolygons( ORDER_LINEAR ),
 644                                                SMDSAbs_Face));
 645       aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 646                                                ePOLYGON2,
 647                                                nbElemInfo.NbPolygons( ORDER_QUADRATIC ),
 648                                                SMDSAbs_Face));
 649       // we need one more loop on QUAD poly elements to count nb of their nodes
 650       aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 651                                                ePOLYGON2,
 652                                                nbElemInfo.NbPolygons( ORDER_QUADRATIC ),
 653                                                SMDSAbs_Face));
 654     }
 655 #ifdef _ELEMENTS_BY_DIM_
 656     anEntity = eMAILLE;
 657 #endif
 658     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 659                                              eTETRA4,
 660                                              nbElemInfo.NbTetras( ORDER_LINEAR ),
 661                                              SMDSAbs_Volume));
 662     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 663                                              eTETRA10,
 664                                              nbElemInfo.NbTetras( ORDER_QUADRATIC ),
 665                                              SMDSAbs_Volume));
 666     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 667                                              ePYRA5,
 668                                              nbElemInfo.NbPyramids( ORDER_LINEAR ),
 669                                              SMDSAbs_Volume));
 670     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 671                                              ePYRA13,
 672                                              nbElemInfo.NbPyramids( ORDER_QUADRATIC ),
 673                                              SMDSAbs_Volume));
 674     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 675                                              ePENTA6,
 676                                              nbElemInfo.NbPrisms( ORDER_LINEAR ),
 677                                              SMDSAbs_Volume));
 678     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 679                                              ePENTA15,
 680                                              nbElemInfo.NbQuadPrisms(),
 681                                              SMDSAbs_Volume));
 682     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 683                                              ePENTA18,
 684                                              nbElemInfo.NbBiQuadPrisms(),
 685                                              SMDSAbs_Volume));
 686     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 687                                              eHEXA8,
 688                                              nbElemInfo.NbHexas( ORDER_LINEAR ),
 689                                              SMDSAbs_Volume));
 690     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 691                                              eHEXA20,
 692                                              nbElemInfo.NbHexas( ORDER_QUADRATIC )-
 693                                              nbElemInfo.NbTriQuadHexas(),
 694                                              SMDSAbs_Volume));
 695     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 696                                              eHEXA27,
 697                                              nbElemInfo.NbTriQuadHexas(),
 698                                              SMDSAbs_Volume));
 699     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 700                                              eOCTA12,
 701                                              nbElemInfo.NbHexPrisms(),
 702                                              SMDSAbs_Volume));
 703     if ( polyTypesSupported ) {
 704       aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 705                                                ePOLYEDRE,
 706                                                nbElemInfo.NbPolyhedrons(),
 707                                                SMDSAbs_Volume));
 708       // we need one more loop on poly elements to count nb of their nodes
 709       aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 710                                                ePOLYEDRE,
 711                                                nbElemInfo.NbPolyhedrons(),
 712                                                SMDSAbs_Volume));
 713     }
 714
 715     vector< bool > isElemFamMapBuilt( SMDSAbs_NbElementTypes, false );
 716
 717     // loop on all geom types of elements
 718
 719     list< TElemTypeData >::iterator aElemTypeData = aTElemTypeDatas.begin();
 720     for ( ; aElemTypeData != aTElemTypeDatas.end(); ++aElemTypeData )
 721     {
 722       if ( aElemTypeData->_nbElems == 0 )
 723         continue;
 724
 725       int defaultFamilyId = 0;
 726       switch ( aElemTypeData->_smdsType ) {
 727       case SMDSAbs_0DElement: defaultFamilyId = my0DElementsDefaultFamilyId; break;
 728       case SMDSAbs_Ball:      defaultFamilyId = myBallsDefaultFamilyId;      break;
 729       case SMDSAbs_Edge:      defaultFamilyId = myEdgesDefaultFamilyId;      break;
 730       case SMDSAbs_Face:      defaultFamilyId = myFacesDefaultFamilyId;      break;
 731       case SMDSAbs_Volume:    defaultFamilyId = myVolumesDefaultFamilyId;    break;
 732       default:
 733         continue;
 734       }
 735
 736       // build map of family numbers for this type
 737       if ( !isElemFamMapBuilt[ aElemTypeData->_smdsType ])
 738       {
 739         fillElemFamilyMap( anElemFamMap, aFamilies, aElemTypeData->_smdsType );
 740         isElemFamMapBuilt[ aElemTypeData->_smdsType ] = true;
 741       }
 742
 743       // iterator on elements of a current type
 744       SMDS_ElemIteratorPtr elemIterator;
 745       int iElem = 0;
 746
 747       // Treat POLYGONs
 748       // ---------------
 749       if ( aElemTypeData->_geomType == ePOLYGONE ||
 750            aElemTypeData->_geomType == ePOLYGON2 )
 751       {
 752         if ( aElemTypeData->_geomType == ePOLYGONE )
 753           elemIterator = myMesh->elementEntityIterator( SMDSEntity_Polygon );
 754         else
 755           elemIterator = myMesh->elementEntityIterator( SMDSEntity_Quad_Polygon );
 756
 757         if ( nbPolygonNodes == 0 ) {
 758           // Count nb of nodes
 759           while ( elemIterator->more() ) {
 760             const SMDS_MeshElement* anElem = elemIterator->next();
 761             nbPolygonNodes += anElem->NbNodes();
 762             if ( ++iElem == aElemTypeData->_nbElems )
 763               break;
 764           }
 765         }
 766         else {
 767           // Store in med file
 768           PPolygoneInfo aPolygoneInfo = myMed->CrPolygoneInfo(aMeshInfo,
 769                                                               aElemTypeData->_entity,
 770                                                               aElemTypeData->_geomType,
 771                                                               aElemTypeData->_nbElems,
 772                                                               nbPolygonNodes,
 773                                                               theConnMode, theIsElemNum,
 774                                                               theIsElemNames);
 775           TElemNum & index = *(aPolygoneInfo->myIndex.get());
 776           index[0] = 1;
 777
 778           while ( elemIterator->more() )
 779           {
 780             const SMDS_MeshElement* anElem = elemIterator->next();
 781             // index
 782             TInt aNbNodes = anElem->NbNodes();
 783             index[ iElem+1 ] = index[ iElem ] + aNbNodes;
 784
 785             // connectivity
 786             TConnSlice aTConnSlice = aPolygoneInfo->GetConnSlice( iElem );
 787             for(TInt iNode = 0; iNode < aNbNodes; iNode++) {
 788               const SMDS_MeshElement* aNode = anElem->GetNode( iNode );
 789 #ifdef _EDF_NODE_IDS_
 790               aTConnSlice[ iNode ] = aNodeIdMap[aNode->GetID()];
 791 #else
 792               aTConnSlice[ iNode ] = aNode->GetID();
 793 #endif
 794             }
 795             // element number
 796             aPolygoneInfo->SetElemNum( iElem, anElem->GetID() );
 797
 798             // family number
 799             int famNum = getFamilyId( anElemFamMap, anElem, defaultFamilyId );
 800             aPolygoneInfo->SetFamNum( iElem, famNum );
 801
 802             if ( ++iElem == aPolygoneInfo->GetNbElem() )
 803               break;
 804           }
 805           myMed->SetPolygoneInfo(aPolygoneInfo);
 806
 807           nbPolygonNodes = 0; // to treat next polygon type
 808         }
 809       }
 810
 811       // Treat POLYEDREs
 812       // ----------------
 813       else if (aElemTypeData->_geomType == ePOLYEDRE )
 814       {
 815         elemIterator = myMesh->elementGeomIterator( SMDSGeom_POLYHEDRA );
 816
 817         if ( nbPolyhedronNodes == 0 ) {
 818           // Count nb of nodes
 819           while ( elemIterator->more() ) {
 820             const SMDS_MeshElement*  anElem = elemIterator->next();
 821             const SMDS_VtkVolume *aPolyedre = dynamic_cast<const SMDS_VtkVolume*>(anElem);
 822             if ( !aPolyedre ) continue;
 823             nbPolyhedronNodes += aPolyedre->NbNodes();
 824             nbPolyhedronFaces += aPolyedre->NbFaces();
 825             if ( ++iElem == aElemTypeData->_nbElems )
 826               break;
 827           }
 828         }
 829         else {
 830           // Store in med file
 831           PPolyedreInfo aPolyhInfo = myMed->CrPolyedreInfo(aMeshInfo,
 832                                                            aElemTypeData->_entity,
 833                                                            aElemTypeData->_geomType,
 834                                                            aElemTypeData->_nbElems,
 835                                                            nbPolyhedronFaces+1,
 836                                                            nbPolyhedronNodes,
 837                                                            theConnMode,
 838                                                            theIsElemNum,
 839                                                            theIsElemNames);
 840           TElemNum & index = *(aPolyhInfo->myIndex.get());
 841           TElemNum & faces = *(aPolyhInfo->myFaces.get());
 842           TElemNum & conn  = *(aPolyhInfo->myConn.get());
 843           index[0] = 1;
 844           faces[0] = 1;
 845
 846           TInt iFace = 0, iNode = 0;
 847           while ( elemIterator->more() )
 848           {
 849             const SMDS_MeshElement*  anElem = elemIterator->next();
 850             const SMDS_VtkVolume *aPolyedre = dynamic_cast<const SMDS_VtkVolume*>(anElem);
 851             if ( !aPolyedre ) continue;
 852             // index
 853             TInt aNbFaces = aPolyedre->NbFaces();
 854             index[ iElem+1 ] = index[ iElem ] + aNbFaces;
 855
 856             // face index
 857             for (TInt f = 1; f <= aNbFaces; ++f, ++iFace ) {
 858               int aNbFaceNodes = aPolyedre->NbFaceNodes( f );
 859               faces[ iFace+1 ] = faces[ iFace ] + aNbFaceNodes;
 860             }
 861             // connectivity
 862             SMDS_ElemIteratorPtr nodeIt = anElem->nodesIterator();
 863             while ( nodeIt->more() ) {
 864               const SMDS_MeshElement* aNode = nodeIt->next();
 865 #ifdef _EDF_NODE_IDS_
 866               conn[ iNode ] = aNodeIdMap[aNode->GetID()];
 867 #else
 868               conn[ iNode ] = aNode->GetID();
 869 #endif
 870               ++iNode;
 871             }
 872             // element number
 873             aPolyhInfo->SetElemNum( iElem, anElem->GetID() );
 874
 875             // family number
 876             int famNum = getFamilyId( anElemFamMap, anElem, defaultFamilyId );
 877             aPolyhInfo->SetFamNum( iElem, famNum );
 878
 879             if ( ++iElem == aPolyhInfo->GetNbElem() )
 880               break;
 881           }
 882           myMed->SetPolyedreInfo(aPolyhInfo);
 883         }
 884       } // if (aElemTypeData->_geomType == ePOLYEDRE )
 885
 886       // Treat BALLs
 887       // ----------------
 888       else if (aElemTypeData->_geomType == eBALL )
 889       {
 890         // allocate data arrays
 891         PBallInfo aBallInfo = myMed->CrBallInfo( aMeshInfo, aElemTypeData->_nbElems );
 892
 893         elemIterator = myMesh->elementsIterator( SMDSAbs_Ball );
 894         while ( elemIterator->more() )
 895         {
 896           const SMDS_MeshElement* anElem = elemIterator->next();
 897           // connectivity
 898           const SMDS_MeshElement* aNode = anElem->GetNode( 0 );
 899 #ifdef _EDF_NODE_IDS_
 900           (*aBallInfo->myConn)[ iElem ] = aNodeIdMap[aNode->GetID()];
 901 #else
 902           (*aBallInfo->myConn)[ iElem ] = aNode->GetID();
 903 #endif
 904           // element number
 905           aBallInfo->SetElemNum( iElem, anElem->GetID() );
 906
 907           // diameter
 908           aBallInfo->myDiameters[ iElem ] =
 909             static_cast<const SMDS_BallElement*>( anElem )->GetDiameter();
 910
 911           // family number
 912           int famNum = getFamilyId( anElemFamMap, anElem, defaultFamilyId );
 913           aBallInfo->SetFamNum( iElem, famNum );
 914           ++iElem;
 915         }
 916         // store data in a file
 917         myMed->SetBallInfo(aBallInfo);
 918       }
 919
 920       else
 921       {
 922         // Treat standard types
 923         // ---------------------
 924         // allocate data arrays
 925         PCellInfo aCellInfo = myMed->CrCellInfo( aMeshInfo,
 926                                                  aElemTypeData->_entity,
 927                                                  aElemTypeData->_geomType,
 928                                                  aElemTypeData->_nbElems,
 929                                                  theConnMode,
 930                                                  theIsElemNum,
 931                                                  theIsElemNames);
 932
 933         TInt aNbNodes = MED::GetNbNodes(aElemTypeData->_geomType);
 934         elemIterator = myMesh->elementsIterator( aElemTypeData->_smdsType );
 935         if ( aElemTypeData->_smdsType == SMDSAbs_0DElement && ! nodesOf0D.empty() )
 936           elemIterator = iterVecIter;
 937         while ( elemIterator->more() )
 938         {
 939           const SMDS_MeshElement* anElem = elemIterator->next();
 940           if ( anElem->NbNodes() != aNbNodes || anElem->IsPoly() )
 941             continue; // other geometry
 942
 943           // connectivity
 944           TConnSlice aTConnSlice = aCellInfo->GetConnSlice( iElem );
 945           for (TInt iNode = 0; iNode < aNbNodes; iNode++) {
 946             const SMDS_MeshElement* aNode = anElem->GetNode( iNode );
 947 #ifdef _EDF_NODE_IDS_
 948             aTConnSlice[ iNode ] = aNodeIdMap[aNode->GetID()];
 949 #else
 950             aTConnSlice[ iNode ] = aNode->GetID();
 951 #endif
 952           }
 953           // element number
 954           aCellInfo->SetElemNum( iElem, anElem->GetID() );
 955
 956           // family number
 957           int famNum = getFamilyId( anElemFamMap, anElem, defaultFamilyId );
 958           aCellInfo->SetFamNum( iElem, famNum );
 959
 960           if ( ++iElem == aCellInfo->GetNbElem() )
 961             break;
 962         }
 963         // store data in a file
 964         myMed->SetCellInfo(aCellInfo);
 965       }
 966     } // loop on geom types
 967   }
 968   catch(const std::exception& exc) {
 969     INFOS("The following exception was caught:\n\t"<<exc.what());
 970     throw;
 971   }
 972   catch(...) {
 973     INFOS("Unknown exception was caught !!!");
 974     throw;
 975   }
 976
 977   myMeshId = -1;
 978   myGroups.clear();
 979   mySubMeshes.clear();
 980   return aResult;
 981 }
 982
 983 //================================================================================
 984 /*!
 985  * \brief Returns nodes on VERTEXes where 0D elements are absent
 986  */
 987 //================================================================================
 988
 989 bool DriverMED_W_SMESHDS_Mesh::
 990 getNodesOfMissing0DOnVert(SMESHDS_Mesh*                         meshDS,
 991                           std::vector<const SMDS_MeshElement*>& nodes)
 992 {
 993   nodes.clear();
 994   for ( int i = 1; i <= meshDS->MaxShapeIndex(); ++i )
 995   {
 996     if ( meshDS->IndexToShape( i ).ShapeType() != TopAbs_VERTEX )
 997       continue;
 998     if ( SMESHDS_SubMesh* sm = meshDS->MeshElements(i) ) {
 999       SMDS_NodeIteratorPtr nIt= sm->GetNodes();
1000       while (nIt->more())
1001       {
1002         const SMDS_MeshNode* n = nIt->next();
1003         if ( n->NbInverseElements( SMDSAbs_0DElement ) == 0 )
1004           nodes.push_back( n );
1005       }
1006     }
1007   }
1008   return !nodes.empty();
1009 }