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