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 //
  16 // You should have received a copy of the GNU Lesser General Public
  17 // License along with this library; if not, write to the Free Software
  18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  19 //
  20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  21 //
  22
  23 //  SMESH DriverMED : driver to read and write 'med' files
  24 //  File   : DriverMED_W_SMESHDS_Mesh.cxx
  25 //  Module : SMESH
  26 //
  27
  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 <med.h>
  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, int theMinor)
  68 {
  69   myMinor = theMinor;
  70   Driver_SMESHDS_Mesh::SetFile(theFileName);
  71 }
  72
  73 /*!
  74  * MED version is either the latest available, or with an inferior minor,
  75  * to ensure backward compatibility on writing med files.
  76  */
  77 string DriverMED_W_SMESHDS_Mesh::GetVersionString(int theVersion, int theNbDigits)
  78 {
  79   TInt majeur, mineur, release;
  80   majeur=MED_MAJOR_NUM;
  81   mineur=MED_MINOR_NUM;
  82   release=MED_RELEASE_NUM;
  83   TInt imposedMineur = mineur;
  84
  85   if (theVersion < 0)
  86     imposedMineur = mineur;
  87   else if (theVersion > MED_MINOR_NUM)
  88     imposedMineur = mineur;
  89   else
  90     imposedMineur = theVersion;
  91
  92   ostringstream name;
  93   if ( theNbDigits > 0 )
  94     name << majeur;
  95   if ( theNbDigits > 1 )
  96     name << "." << imposedMineur;
  97   if ( theNbDigits > 2 )
  98     name << "." << release;
  99   return name.str();
 100 }
 101
 102 void DriverMED_W_SMESHDS_Mesh::AddGroup(SMESHDS_GroupBase* theGroup)
 103 {
 104   myGroups.push_back(theGroup);
 105 }
 106
 107 void DriverMED_W_SMESHDS_Mesh::AddAllSubMeshes()
 108 {
 109   myAllSubMeshes = true;
 110 }
 111
 112 void DriverMED_W_SMESHDS_Mesh::AddSubMesh(SMESHDS_SubMesh* theSubMesh, int theID)
 113 {
 114   mySubMeshes.push_back( theSubMesh );
 115 }
 116
 117 void DriverMED_W_SMESHDS_Mesh::AddGroupOfNodes()
 118 {
 119   myDoGroupOfNodes = true;
 120 }
 121
 122 void DriverMED_W_SMESHDS_Mesh::AddGroupOfEdges()
 123 {
 124   myDoGroupOfEdges = true;
 125 }
 126
 127 void DriverMED_W_SMESHDS_Mesh::AddGroupOfFaces()
 128 {
 129   myDoGroupOfFaces = true;
 130 }
 131
 132 void DriverMED_W_SMESHDS_Mesh::AddGroupOfVolumes()
 133 {
 134   myDoGroupOfVolumes = true;
 135 }
 136
 137 void DriverMED_W_SMESHDS_Mesh::AddGroupOf0DElems()
 138 {
 139   myDoGroupOf0DElems = true;
 140 }
 141
 142 void DriverMED_W_SMESHDS_Mesh::AddGroupOfBalls()
 143 {
 144   myDoGroupOfBalls = true;
 145 }
 146
 147 //================================================================================
 148 /*!
 149  * \brief Set up a flag to add all elements not belonging to any group to
 150  *        some auxiliary group. This is needed for SMESH -> SAUVE -> SMESH conversion,
 151  *        which since PAL0023285 reads only SAUVE elements belonging to any group,
 152  *        and hence can lose some elements. That auxiliary group is ignored while
 153  *        reading a MED file.
 154  */
 155 //================================================================================
 156
 157 void DriverMED_W_SMESHDS_Mesh::AddAllToGroup()
 158 {
 159   myDoAllInGroups = true;
 160 }
 161
 162
 163 namespace
 164 {
 165   typedef double (SMDS_MeshNode::* TGetCoord)() const;
 166   typedef const char* TName;
 167   typedef const char* TUnit;
 168
 169   // name length in a mesh must be equal to 16 :
 170   //         1234567890123456
 171   TName M = "m               ";
 172   TName X = "x               ";
 173   TName Y = "y               ";
 174   TName Z = "z               ";
 175
 176   TUnit aUnit[3] = {M,M,M};
 177
 178   // 3 dim
 179   TGetCoord aXYZGetCoord[3] = {
 180     &SMDS_MeshNode::X,
 181     &SMDS_MeshNode::Y,
 182     &SMDS_MeshNode::Z
 183   };
 184   TName aXYZName[3] = {X,Y,Z};
 185
 186   // 2 dim
 187   TGetCoord aXYGetCoord[2] = {
 188     &SMDS_MeshNode::X,
 189     &SMDS_MeshNode::Y
 190   };
 191   TName aXYName[2] = {X,Y};
 192
 193   TGetCoord aYZGetCoord[2] = {
 194     &SMDS_MeshNode::Y,
 195     &SMDS_MeshNode::Z
 196   };
 197   TName aYZName[2] = {Y,Z};
 198
 199   TGetCoord aXZGetCoord[2] = {
 200     &SMDS_MeshNode::X,
 201     &SMDS_MeshNode::Z
 202   };
 203   TName aXZName[2] = {X,Z};
 204
 205   // 1 dim
 206   TGetCoord aXGetCoord[1] = {
 207     &SMDS_MeshNode::X
 208   };
 209   TName aXName[1] = {X};
 210
 211   TGetCoord aYGetCoord[1] = {
 212     &SMDS_MeshNode::Y
 213   };
 214   TName aYName[1] = {Y};
 215
 216   TGetCoord aZGetCoord[1] = {
 217     &SMDS_MeshNode::Z
 218   };
 219   TName aZName[1] = {Z};
 220
 221
 222   class TCoordHelper{
 223     SMDS_NodeIteratorPtr myNodeIter;
 224     const SMDS_MeshNode* myCurrentNode;
 225     TGetCoord* myGetCoord;
 226     TName* myName;
 227     TUnit* myUnit;
 228   public:
 229     TCoordHelper(const SMDS_NodeIteratorPtr& theNodeIter,
 230                  TGetCoord* theGetCoord,
 231                  TName* theName,
 232                  TUnit* theUnit = aUnit):
 233       myNodeIter(theNodeIter),
 234       myGetCoord(theGetCoord),
 235       myName(theName),
 236       myUnit(theUnit)
 237     {}
 238     virtual ~TCoordHelper(){}
 239     bool Next(){
 240       return myNodeIter->more() &&
 241         (myCurrentNode = myNodeIter->next());
 242     }
 243     const SMDS_MeshNode* GetNode(){
 244       return myCurrentNode;
 245     }
 246     MED::TIntVector::value_type GetID(){
 247       return myCurrentNode->GetID();
 248     }
 249     MED::TFloatVector::value_type GetCoord(TInt theCoodId){
 250       return (myCurrentNode->*myGetCoord[theCoodId])();
 251     }
 252     MED::TStringVector::value_type GetName(TInt theDimId){
 253       return myName[theDimId];
 254     }
 255     MED::TStringVector::value_type GetUnit(TInt theDimId){
 256       return myUnit[theDimId];
 257     }
 258   };
 259   typedef boost::shared_ptr<TCoordHelper> TCoordHelperPtr;
 260
 261   //-------------------------------------------------------
 262   /*!
 263    * \brief Structure describing element type
 264    */
 265   //-------------------------------------------------------
 266   struct TElemTypeData
 267   {
 268     EEntiteMaillage     _entity;
 269     EGeometrieElement   _geomType;
 270     TInt                _nbElems;
 271     SMDSAbs_ElementType _smdsType;
 272
 273     TElemTypeData (EEntiteMaillage entity, EGeometrieElement geom, TInt nb, SMDSAbs_ElementType type)
 274       : _entity(entity), _geomType(geom), _nbElems( nb ), _smdsType( type ) {}
 275   };
 276
 277
 278   typedef NCollection_DataMap< Standard_Address, int > TElemFamilyMap;
 279
 280   //================================================================================
 281   /*!
 282    * \brief Fills element to famaly ID map for element type.
 283    * Removes all families of anElemType
 284    */
 285   //================================================================================
 286
 287   void fillElemFamilyMap( TElemFamilyMap &            anElemFamMap,
 288                           list<DriverMED_FamilyPtr> & aFamilies,
 289                           const SMDSAbs_ElementType   anElemType)
 290   {
 291     anElemFamMap.Clear();
 292     list<DriverMED_FamilyPtr>::iterator aFamsIter = aFamilies.begin();
 293     while ( aFamsIter != aFamilies.end() )
 294     {
 295       if ((*aFamsIter)->GetType() != anElemType) {
 296         aFamsIter++;
 297       }
 298       else {
 299         int aFamId = (*aFamsIter)->GetId();
 300         const ElementsSet&              anElems = (*aFamsIter)->GetElements();
 301         ElementsSet::const_iterator anElemsIter = anElems.begin();
 302         for (; anElemsIter != anElems.end(); anElemsIter++)
 303         {
 304           anElemFamMap.Bind( (Standard_Address)*anElemsIter, aFamId );
 305         }
 306         // remove a family from the list
 307         aFamilies.erase( aFamsIter++ );
 308       }
 309     }
 310   }
 311
 312   //================================================================================
 313   /*!
 314    * \brief For an element, return family ID found in the map or a default one
 315    */
 316   //================================================================================
 317
 318   int getFamilyId( const TElemFamilyMap &  anElemFamMap,
 319                    const SMDS_MeshElement* anElement,
 320                    const int               aDefaultFamilyId)
 321   {
 322     if ( anElemFamMap.IsBound( (Standard_Address) anElement ))
 323       return anElemFamMap( (Standard_Address) anElement );
 324
 325     return aDefaultFamilyId;
 326   }
 327
 328   //================================================================================
 329   /*!
 330    * \brief Returns iterator on sub-meshes
 331    */
 332   //================================================================================
 333
 334   SMESHDS_SubMeshIteratorPtr getIterator( std::vector<SMESHDS_SubMesh*>& mySubMeshes )
 335   {
 336     return SMESHDS_SubMeshIteratorPtr
 337       ( new SMDS_SetIterator
 338         < const SMESHDS_SubMesh*, std::vector< SMESHDS_SubMesh* >::iterator >( mySubMeshes.begin(),
 339                                                                                mySubMeshes.end() ));
 340   }
 341 }
 342
 343 Driver_Mesh::Status DriverMED_W_SMESHDS_Mesh::Perform()
 344 {
 345   Status aResult = DRS_OK;
 346   try {
 347     //MESSAGE("Perform - myFile : "<<myFile);
 348
 349     // Creating the MED mesh for corresponding SMDS structure
 350     //-------------------------------------------------------
 351     string aMeshName;
 352     if (myMeshId != -1) {
 353       ostringstream aMeshNameStr;
 354       aMeshNameStr<<myMeshId;
 355       aMeshName = aMeshNameStr.str();
 356     } else {
 357       aMeshName = myMeshName;
 358     }
 359
 360     // Mesh dimension definition
 361
 362     TInt aMeshDimension = 0;
 363     if ( myMesh->NbEdges() > 0 )
 364       aMeshDimension = 1;
 365     if ( myMesh->NbFaces() > 0 )
 366       aMeshDimension = 2;
 367     if ( myMesh->NbVolumes() > 0 )
 368       aMeshDimension = 3;
 369
 370     TInt aSpaceDimension = 3;
 371     TCoordHelperPtr aCoordHelperPtr;
 372     {
 373       bool anIsXDimension = false;
 374       bool anIsYDimension = false;
 375       bool anIsZDimension = false;
 376       if ( myAutoDimension && aMeshDimension < 3 )
 377       {
 378         SMDS_NodeIteratorPtr aNodesIter = myMesh->nodesIterator();
 379         double aBounds[6];
 380         if(aNodesIter->more()){
 381           const SMDS_MeshNode* aNode = aNodesIter->next();
 382           aBounds[0] = aBounds[1] = aNode->X();
 383           aBounds[2] = aBounds[3] = aNode->Y();
 384           aBounds[4] = aBounds[5] = aNode->Z();
 385         }
 386         while(aNodesIter->more()){
 387           const SMDS_MeshNode* aNode = aNodesIter->next();
 388           aBounds[0] = min(aBounds[0],aNode->X());
 389           aBounds[1] = max(aBounds[1],aNode->X());
 390
 391           aBounds[2] = min(aBounds[2],aNode->Y());
 392           aBounds[3] = max(aBounds[3],aNode->Y());
 393
 394           aBounds[4] = min(aBounds[4],aNode->Z());
 395           aBounds[5] = max(aBounds[5],aNode->Z());
 396         }
 397
 398         double EPS = 1.0E-7;
 399         TopoDS_Shape mainShape = myMesh->ShapeToMesh();
 400         bool    hasShapeToMesh = ( myMesh->SubMeshIndices().size() > 1 );
 401         if ( !mainShape.IsNull() && hasShapeToMesh )
 402         {
 403           // define EPS by max tolerance of the mainShape (IPAL53097)
 404           TopExp_Explorer subShape;
 405           for ( subShape.Init( mainShape, TopAbs_FACE ); subShape.More(); subShape.Next() ) {
 406             EPS = Max( EPS, BRep_Tool::Tolerance( TopoDS::Face( subShape.Current() )));
 407           }
 408           for ( subShape.Init( mainShape, TopAbs_EDGE ); subShape.More(); subShape.Next() ) {
 409             EPS = Max( EPS, BRep_Tool::Tolerance( TopoDS::Edge( subShape.Current() )));
 410           }
 411           for ( subShape.Init( mainShape, TopAbs_VERTEX ); subShape.More(); subShape.Next() ) {
 412             EPS = Max( EPS, BRep_Tool::Tolerance( TopoDS::Vertex( subShape.Current() )));
 413           }
 414           EPS *= 2.;
 415         }
 416         anIsXDimension = (aBounds[1] - aBounds[0]) + abs(aBounds[1]) + abs(aBounds[0]) > EPS;
 417         anIsYDimension = (aBounds[3] - aBounds[2]) + abs(aBounds[3]) + abs(aBounds[2]) > EPS;
 418         anIsZDimension = (aBounds[5] - aBounds[4]) + abs(aBounds[5]) + abs(aBounds[4]) > EPS;
 419         aSpaceDimension = Max( aMeshDimension, anIsXDimension + anIsYDimension + anIsZDimension );
 420         if ( !aSpaceDimension )
 421           aSpaceDimension = 3;
 422         // PAL16857(SMESH not conform to the MED convention):
 423         if ( aSpaceDimension == 2 && anIsZDimension ) // 2D only if mesh is in XOY plane
 424           aSpaceDimension = 3;
 425         // PAL18941(a saved study with a mesh belong Z is opened and the mesh is belong X)
 426         if ( aSpaceDimension == 1 && !anIsXDimension ) {// 1D only if mesh is along OX
 427           if ( anIsYDimension ) {
 428             aSpaceDimension = 2;
 429             anIsXDimension = true;
 430           } else {
 431             aSpaceDimension = 3;
 432           }
 433         }
 434       }
 435
 436       SMDS_NodeIteratorPtr aNodesIter = myMesh->nodesIterator();
 437       switch ( aSpaceDimension ) {
 438       case 3:
 439         aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aXYZGetCoord,aXYZName));
 440         break;
 441       case 2:
 442         if(anIsXDimension && anIsYDimension)
 443           aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aXYGetCoord,aXYName));
 444         if(anIsYDimension && anIsZDimension)
 445           aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aYZGetCoord,aYZName));
 446         if(anIsXDimension && anIsZDimension)
 447           aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aXZGetCoord,aXZName));
 448         break;
 449       case 1:
 450         if(anIsXDimension)
 451           aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aXGetCoord,aXName));
 452         if(anIsYDimension)
 453           aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aYGetCoord,aYName));
 454         if(anIsZDimension)
 455           aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aZGetCoord,aZName));
 456         break;
 457       }
 458     }
 459
 460     MED::PWrapper myMed = CrWrapperW(myFile, myMinor);
 461     PMeshInfo aMeshInfo = myMed->CrMeshInfo(aMeshDimension,aSpaceDimension,aMeshName);
 462     //MESSAGE("Add - aMeshName : "<<aMeshName<<"; "<<aMeshInfo->GetName());
 463     myMed->SetMeshInfo(aMeshInfo);
 464
 465     // Storing SMDS groups and sub-meshes as med families
 466     //----------------------------------------------------
 467     int myNodesDefaultFamilyId      = 0;
 468     int my0DElementsDefaultFamilyId = 0;
 469     int myBallsDefaultFamilyId      = 0;
 470     int myEdgesDefaultFamilyId      = 0;
 471     int myFacesDefaultFamilyId      = 0;
 472     int myVolumesDefaultFamilyId    = 0;
 473     int nbNodes      = myMesh->NbNodes();
 474     int nb0DElements = myMesh->Nb0DElements();
 475     int nbBalls      = myMesh->NbBalls();
 476     int nbEdges      = myMesh->NbEdges();
 477     int nbFaces      = myMesh->NbFaces();
 478     int nbVolumes    = myMesh->NbVolumes();
 479     if (myDoGroupOfNodes)   myNodesDefaultFamilyId      = REST_NODES_FAMILY;
 480     if (myDoGroupOfEdges)   myEdgesDefaultFamilyId      = REST_EDGES_FAMILY;
 481     if (myDoGroupOfFaces)   myFacesDefaultFamilyId      = REST_FACES_FAMILY;
 482     if (myDoGroupOfVolumes) myVolumesDefaultFamilyId    = REST_VOLUMES_FAMILY;
 483     if (myDoGroupOf0DElems) my0DElementsDefaultFamilyId = REST_0DELEM_FAMILY;
 484     if (myDoGroupOfBalls)   myBallsDefaultFamilyId      = REST_BALL_FAMILY;
 485     if (myDoAllInGroups )
 486     {
 487       if (!myDoGroupOfEdges)   myEdgesDefaultFamilyId      = NIG_EDGES_FAMILY   ;
 488       if (!myDoGroupOfFaces)   myFacesDefaultFamilyId      = NIG_FACES_FAMILY   ;
 489       if (!myDoGroupOfVolumes) myVolumesDefaultFamilyId    = NIG_VOLS_FAMILY    ;
 490       if (!myDoGroupOf0DElems) my0DElementsDefaultFamilyId = NIG_0DELEM_FAMILY  ;
 491       if (!myDoGroupOfBalls)   myBallsDefaultFamilyId      = NIG_BALL_FAMILY    ;
 492     }
 493
 494     //MESSAGE("Perform - aFamilyInfo");
 495     list<DriverMED_FamilyPtr> aFamilies;
 496     if (myAllSubMeshes) {
 497       aFamilies = DriverMED_Family::MakeFamilies
 498         (myMesh->SubMeshes(), myGroups,
 499          myDoGroupOfNodes   && nbNodes,
 500          myDoGroupOfEdges   && nbEdges,
 501          myDoGroupOfFaces   && nbFaces,
 502          myDoGroupOfVolumes && nbVolumes,
 503          myDoGroupOf0DElems && nb0DElements,
 504          myDoGroupOfBalls   && nbBalls,
 505          myDoAllInGroups);
 506     }
 507     else {
 508       aFamilies = DriverMED_Family::MakeFamilies
 509         (getIterator( mySubMeshes ), myGroups,
 510          myDoGroupOfNodes   && nbNodes,
 511          myDoGroupOfEdges   && nbEdges,
 512          myDoGroupOfFaces   && nbFaces,
 513          myDoGroupOfVolumes && nbVolumes,
 514          myDoGroupOf0DElems && nb0DElements,
 515          myDoGroupOfBalls   && nbBalls,
 516          myDoAllInGroups);
 517     }
 518     list<DriverMED_FamilyPtr>::iterator aFamsIter;
 519     for (aFamsIter = aFamilies.begin(); aFamsIter != aFamilies.end(); aFamsIter++)
 520     {
 521       PFamilyInfo aFamilyInfo = (*aFamsIter)->GetFamilyInfo(myMed,aMeshInfo);
 522       myMed->SetFamilyInfo(aFamilyInfo);
 523     }
 524
 525     // Storing SMDS nodes to the MED file for the MED mesh
 526     //----------------------------------------------------
 527 #ifdef _EDF_NODE_IDS_
 528     typedef map<TInt,TInt> TNodeIdMap;
 529     TNodeIdMap aNodeIdMap;
 530 #endif
 531     const EModeSwitch   theMode        = eFULL_INTERLACE;
 532     const ERepere       theSystem      = eCART;
 533     const EBooleen      theIsElemNum   = eVRAI;
 534     const EBooleen      theIsElemNames = eFAUX;
 535     const EConnectivite theConnMode    = eNOD;
 536
 537     TInt aNbNodes = myMesh->NbNodes();
 538     PNodeInfo aNodeInfo = myMed->CrNodeInfo(aMeshInfo, aNbNodes,
 539                                             theMode, theSystem, theIsElemNum, theIsElemNames);
 540
 541     // find family numbers for nodes
 542     TElemFamilyMap anElemFamMap;
 543     fillElemFamilyMap( anElemFamMap, aFamilies, SMDSAbs_Node );
 544
 545     for (TInt iNode = 0; aCoordHelperPtr->Next(); iNode++)
 546     {
 547       // coordinates
 548       TCoordSlice aTCoordSlice = aNodeInfo->GetCoordSlice( iNode );
 549       for(TInt iCoord = 0; iCoord < aSpaceDimension; iCoord++){
 550         aTCoordSlice[iCoord] = aCoordHelperPtr->GetCoord(iCoord);
 551       }
 552       // node number
 553       int aNodeID = aCoordHelperPtr->GetID();
 554       aNodeInfo->SetElemNum( iNode, aNodeID );
 555 #ifdef _EDF_NODE_IDS_
 556       aNodeIdMap.insert( aNodeIdMap.end(), make_pair( aNodeID, iNode+1 ));
 557 #endif
 558       // family number
 559       const SMDS_MeshNode* aNode = aCoordHelperPtr->GetNode();
 560       int famNum = getFamilyId( anElemFamMap, aNode, myNodesDefaultFamilyId );
 561       aNodeInfo->SetFamNum( iNode, famNum );
 562     }
 563     anElemFamMap.Clear();
 564
 565     // coordinate names and units
 566     for (TInt iCoord = 0; iCoord < aSpaceDimension; iCoord++) {
 567       aNodeInfo->SetCoordName( iCoord, aCoordHelperPtr->GetName(iCoord));
 568       aNodeInfo->SetCoordUnit( iCoord, aCoordHelperPtr->GetUnit(iCoord));
 569     }
 570
 571     //MESSAGE("Perform - aNodeInfo->GetNbElem() = "<<aNbNodes);
 572     myMed->SetNodeInfo(aNodeInfo);
 573     aNodeInfo.reset(); // free memory used for arrays
 574
 575
 576     // Storing SMDS elements to the MED file for the MED mesh
 577     //-------------------------------------------------------
 578     // Write one element type at once in order to minimize memory usage (PAL19276)
 579
 580     const SMDS_MeshInfo& nbElemInfo = myMesh->GetMeshInfo();
 581
 582     // poly elements are not supported by med-2.1
 583     bool polyTypesSupported = ( myMed->CrPolygoneInfo(aMeshInfo,eMAILLE,ePOLYGONE,0,0).get() != 0 );
 584     TInt nbPolygonNodes = 0, nbPolyhedronNodes = 0, nbPolyhedronFaces = 0;
 585
 586     // nodes on VERTEXes where 0D elements are absent
 587     std::vector<const SMDS_MeshElement*> nodesOf0D;
 588     std::vector< SMDS_ElemIteratorPtr > iterVec;
 589     SMDS_ElemIteratorPtr iterVecIter;
 590     if ( myAddODOnVertices && getNodesOfMissing0DOnVert( myMesh, nodesOf0D ))
 591     {
 592       iterVec.resize(2);
 593       iterVec[0] = myMesh->elementsIterator( SMDSAbs_0DElement );
 594       iterVec[1] = SMDS_ElemIteratorPtr
 595         ( new SMDS_ElementVectorIterator( nodesOf0D.begin(), nodesOf0D.end() ));
 596
 597       typedef SMDS_IteratorOnIterators
 598         < const SMDS_MeshElement *, std::vector< SMDS_ElemIteratorPtr > > TItIterator;
 599       iterVecIter = SMDS_ElemIteratorPtr( new TItIterator( iterVec ));
 600     }
 601
 602     // collect info on all geom types
 603
 604     list< TElemTypeData > aTElemTypeDatas;
 605
 606     EEntiteMaillage anEntity = eMAILLE;
 607 #ifdef _ELEMENTS_BY_DIM_
 608     anEntity = eNOEUD_ELEMENT;
 609 #endif
 610     aTElemTypeDatas.push_back(TElemTypeData(anEntity,
 611                                             ePOINT1,
 612                                             nbElemInfo.Nb0DElements() + nodesOf0D.size(),
 613                                             SMDSAbs_0DElement));
 614 #ifdef _ELEMENTS_BY_DIM_
 615     anEntity = eSTRUCT_ELEMENT;
 616 #endif
 617     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 618                                              eBALL,
 619                                              nbElemInfo.NbBalls(),
 620                                              SMDSAbs_Ball));
 621 #ifdef _ELEMENTS_BY_DIM_
 622     anEntity = eARETE;
 623 #endif
 624     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 625                                              eSEG2,
 626                                              nbElemInfo.NbEdges( ORDER_LINEAR ),
 627                                              SMDSAbs_Edge));
 628     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 629                                              eSEG3,
 630                                              nbElemInfo.NbEdges( ORDER_QUADRATIC ),
 631                                              SMDSAbs_Edge));
 632 #ifdef _ELEMENTS_BY_DIM_
 633     anEntity = eFACE;
 634 #endif
 635     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 636                                              eTRIA3,
 637                                              nbElemInfo.NbTriangles( ORDER_LINEAR ),
 638                                              SMDSAbs_Face));
 639     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 640                                              eTRIA6,
 641                                              nbElemInfo.NbTriangles( ORDER_QUADRATIC ) -
 642                                              nbElemInfo.NbBiQuadTriangles(),
 643                                              SMDSAbs_Face));
 644     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 645                                              eTRIA7,
 646                                              nbElemInfo.NbBiQuadTriangles(),
 647                                              SMDSAbs_Face));
 648     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 649                                              eQUAD4,
 650                                              nbElemInfo.NbQuadrangles( ORDER_LINEAR ),
 651                                              SMDSAbs_Face));
 652     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 653                                              eQUAD8,
 654                                              nbElemInfo.NbQuadrangles( ORDER_QUADRATIC ) -
 655                                              nbElemInfo.NbBiQuadQuadrangles(),
 656                                              SMDSAbs_Face));
 657     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 658                                              eQUAD9,
 659                                              nbElemInfo.NbBiQuadQuadrangles(),
 660                                              SMDSAbs_Face));
 661     if ( polyTypesSupported ) {
 662       aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 663                                                ePOLYGONE,
 664                                                nbElemInfo.NbPolygons( ORDER_LINEAR ),
 665                                                SMDSAbs_Face));
 666       // we need one more loop on poly elements to count nb of their nodes
 667       aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 668                                                ePOLYGONE,
 669                                                nbElemInfo.NbPolygons( ORDER_LINEAR ),
 670                                                SMDSAbs_Face));
 671       aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 672                                                ePOLYGON2,
 673                                                nbElemInfo.NbPolygons( ORDER_QUADRATIC ),
 674                                                SMDSAbs_Face));
 675       // we need one more loop on QUAD poly elements to count nb of their nodes
 676       aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 677                                                ePOLYGON2,
 678                                                nbElemInfo.NbPolygons( ORDER_QUADRATIC ),
 679                                                SMDSAbs_Face));
 680     }
 681 #ifdef _ELEMENTS_BY_DIM_
 682     anEntity = eMAILLE;
 683 #endif
 684     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 685                                              eTETRA4,
 686                                              nbElemInfo.NbTetras( ORDER_LINEAR ),
 687                                              SMDSAbs_Volume));
 688     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 689                                              eTETRA10,
 690                                              nbElemInfo.NbTetras( ORDER_QUADRATIC ),
 691                                              SMDSAbs_Volume));
 692     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 693                                              ePYRA5,
 694                                              nbElemInfo.NbPyramids( ORDER_LINEAR ),
 695                                              SMDSAbs_Volume));
 696     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 697                                              ePYRA13,
 698                                              nbElemInfo.NbPyramids( ORDER_QUADRATIC ),
 699                                              SMDSAbs_Volume));
 700     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 701                                              ePENTA6,
 702                                              nbElemInfo.NbPrisms( ORDER_LINEAR ),
 703                                              SMDSAbs_Volume));
 704     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 705                                              ePENTA15,
 706                                              nbElemInfo.NbQuadPrisms(),
 707                                              SMDSAbs_Volume));
 708     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 709                                              ePENTA18,
 710                                              nbElemInfo.NbBiQuadPrisms(),
 711                                              SMDSAbs_Volume));
 712     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 713                                              eHEXA8,
 714                                              nbElemInfo.NbHexas( ORDER_LINEAR ),
 715                                              SMDSAbs_Volume));
 716     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 717                                              eHEXA20,
 718                                              nbElemInfo.NbHexas( ORDER_QUADRATIC )-
 719                                              nbElemInfo.NbTriQuadHexas(),
 720                                              SMDSAbs_Volume));
 721     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 722                                              eHEXA27,
 723                                              nbElemInfo.NbTriQuadHexas(),
 724                                              SMDSAbs_Volume));
 725     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 726                                              eOCTA12,
 727                                              nbElemInfo.NbHexPrisms(),
 728                                              SMDSAbs_Volume));
 729     if ( polyTypesSupported ) {
 730       aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 731                                                ePOLYEDRE,
 732                                                nbElemInfo.NbPolyhedrons(),
 733                                                SMDSAbs_Volume));
 734       // we need one more loop on poly elements to count nb of their nodes
 735       aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 736                                                ePOLYEDRE,
 737                                                nbElemInfo.NbPolyhedrons(),
 738                                                SMDSAbs_Volume));
 739     }
 740
 741     vector< bool > isElemFamMapBuilt( SMDSAbs_NbElementTypes, false );
 742
 743     // loop on all geom types of elements
 744
 745     list< TElemTypeData >::iterator aElemTypeData = aTElemTypeDatas.begin();
 746     for ( ; aElemTypeData != aTElemTypeDatas.end(); ++aElemTypeData )
 747     {
 748       if ( aElemTypeData->_nbElems == 0 )
 749         continue;
 750
 751       int defaultFamilyId = 0;
 752       switch ( aElemTypeData->_smdsType ) {
 753       case SMDSAbs_0DElement: defaultFamilyId = my0DElementsDefaultFamilyId; break;
 754       case SMDSAbs_Ball:      defaultFamilyId = myBallsDefaultFamilyId;      break;
 755       case SMDSAbs_Edge:      defaultFamilyId = myEdgesDefaultFamilyId;      break;
 756       case SMDSAbs_Face:      defaultFamilyId = myFacesDefaultFamilyId;      break;
 757       case SMDSAbs_Volume:    defaultFamilyId = myVolumesDefaultFamilyId;    break;
 758       default:
 759         continue;
 760       }
 761
 762       // build map of family numbers for this type
 763       if ( !isElemFamMapBuilt[ aElemTypeData->_smdsType ])
 764       {
 765         fillElemFamilyMap( anElemFamMap, aFamilies, aElemTypeData->_smdsType );
 766         isElemFamMapBuilt[ aElemTypeData->_smdsType ] = true;
 767       }
 768
 769       // iterator on elements of a current type
 770       SMDS_ElemIteratorPtr elemIterator;
 771       int iElem = 0;
 772
 773       // Treat POLYGONs
 774       // ---------------
 775       if ( aElemTypeData->_geomType == ePOLYGONE ||
 776            aElemTypeData->_geomType == ePOLYGON2 )
 777       {
 778         if ( aElemTypeData->_geomType == ePOLYGONE )
 779           elemIterator = myMesh->elementEntityIterator( SMDSEntity_Polygon );
 780         else
 781           elemIterator = myMesh->elementEntityIterator( SMDSEntity_Quad_Polygon );
 782
 783         if ( nbPolygonNodes == 0 ) {
 784           // Count nb of nodes
 785           while ( elemIterator->more() ) {
 786             const SMDS_MeshElement* anElem = elemIterator->next();
 787             nbPolygonNodes += anElem->NbNodes();
 788             if ( ++iElem == aElemTypeData->_nbElems )
 789               break;
 790           }
 791         }
 792         else {
 793           // Store in med file
 794           PPolygoneInfo aPolygoneInfo = myMed->CrPolygoneInfo(aMeshInfo,
 795                                                               aElemTypeData->_entity,
 796                                                               aElemTypeData->_geomType,
 797                                                               aElemTypeData->_nbElems,
 798                                                               nbPolygonNodes,
 799                                                               theConnMode, theIsElemNum,
 800                                                               theIsElemNames);
 801           TElemNum & index = *(aPolygoneInfo->myIndex.get());
 802           index[0] = 1;
 803
 804           while ( elemIterator->more() )
 805           {
 806             const SMDS_MeshElement* anElem = elemIterator->next();
 807             // index
 808             TInt aNbNodes = anElem->NbNodes();
 809             index[ iElem+1 ] = index[ iElem ] + aNbNodes;
 810
 811             // connectivity
 812             TConnSlice aTConnSlice = aPolygoneInfo->GetConnSlice( iElem );
 813             for(TInt iNode = 0; iNode < aNbNodes; iNode++) {
 814               const SMDS_MeshElement* aNode = anElem->GetNode( iNode );
 815 #ifdef _EDF_NODE_IDS_
 816               aTConnSlice[ iNode ] = aNodeIdMap[aNode->GetID()];
 817 #else
 818               aTConnSlice[ iNode ] = aNode->GetID();
 819 #endif
 820             }
 821             // element number
 822             aPolygoneInfo->SetElemNum( iElem, anElem->GetID() );
 823
 824             // family number
 825             int famNum = getFamilyId( anElemFamMap, anElem, defaultFamilyId );
 826             aPolygoneInfo->SetFamNum( iElem, famNum );
 827
 828             if ( ++iElem == aPolygoneInfo->GetNbElem() )
 829               break;
 830           }
 831           myMed->SetPolygoneInfo(aPolygoneInfo);
 832
 833           nbPolygonNodes = 0; // to treat next polygon type
 834         }
 835       }
 836
 837       // Treat POLYEDREs
 838       // ----------------
 839       else if ( aElemTypeData->_geomType == ePOLYEDRE )
 840       {
 841         elemIterator = myMesh->elementGeomIterator( SMDSGeom_POLYHEDRA );
 842
 843         if ( nbPolyhedronNodes == 0 ) {
 844           // Count nb of nodes
 845           while ( elemIterator->more() ) {
 846             const SMDS_MeshElement*  anElem = elemIterator->next();
 847             nbPolyhedronNodes += anElem->NbNodes();
 848             nbPolyhedronFaces += anElem->NbFaces();
 849             if ( ++iElem == aElemTypeData->_nbElems )
 850               break;
 851           }
 852         }
 853         else {
 854           // Store in med file
 855           PPolyedreInfo aPolyhInfo = myMed->CrPolyedreInfo(aMeshInfo,
 856                                                            aElemTypeData->_entity,
 857                                                            aElemTypeData->_geomType,
 858                                                            aElemTypeData->_nbElems,
 859                                                            nbPolyhedronFaces+1,
 860                                                            nbPolyhedronNodes,
 861                                                            theConnMode,
 862                                                            theIsElemNum,
 863                                                            theIsElemNames);
 864           TElemNum & index = *(aPolyhInfo->myIndex.get());
 865           TElemNum & faces = *(aPolyhInfo->myFaces.get());
 866           TElemNum & conn  = *(aPolyhInfo->myConn.get());
 867           index[0] = 1;
 868           faces[0] = 1;
 869
 870           TInt iFace = 0, iNode = 0;
 871           while ( elemIterator->more() )
 872           {
 873             const SMDS_MeshElement* anElem = elemIterator->next();
 874             const SMDS_MeshVolume *aPolyedre = myMesh->DownCast< SMDS_MeshVolume >( anElem );
 875             if ( !aPolyedre ) continue;
 876             // index
 877             TInt aNbFaces = aPolyedre->NbFaces();
 878             index[ iElem+1 ] = index[ iElem ] + aNbFaces;
 879
 880             // face index
 881             for (TInt f = 1; f <= aNbFaces; ++f, ++iFace ) {
 882               int aNbFaceNodes = aPolyedre->NbFaceNodes( f );
 883               faces[ iFace+1 ] = faces[ iFace ] + aNbFaceNodes;
 884             }
 885             // connectivity
 886             SMDS_ElemIteratorPtr nodeIt = anElem->nodesIterator();
 887             while ( nodeIt->more() ) {
 888               const SMDS_MeshElement* aNode = nodeIt->next();
 889 #ifdef _EDF_NODE_IDS_
 890               conn[ iNode ] = aNodeIdMap[aNode->GetID()];
 891 #else
 892               conn[ iNode ] = aNode->GetID();
 893 #endif
 894               ++iNode;
 895             }
 896             // element number
 897             aPolyhInfo->SetElemNum( iElem, anElem->GetID() );
 898
 899             // family number
 900             int famNum = getFamilyId( anElemFamMap, anElem, defaultFamilyId );
 901             aPolyhInfo->SetFamNum( iElem, famNum );
 902
 903             if ( ++iElem == aPolyhInfo->GetNbElem() )
 904               break;
 905           }
 906           myMed->SetPolyedreInfo(aPolyhInfo);
 907         }
 908       } // if (aElemTypeData->_geomType == ePOLYEDRE )
 909
 910       // Treat BALLs
 911       // ----------------
 912       else if (aElemTypeData->_geomType == eBALL )
 913       {
 914         // allocate data arrays
 915         PBallInfo aBallInfo = myMed->CrBallInfo( aMeshInfo, aElemTypeData->_nbElems );
 916
 917         elemIterator = myMesh->elementsIterator( SMDSAbs_Ball );
 918         while ( elemIterator->more() )
 919         {
 920           const SMDS_MeshElement* anElem = elemIterator->next();
 921           // connectivity
 922           const SMDS_MeshElement* aNode = anElem->GetNode( 0 );
 923 #ifdef _EDF_NODE_IDS_
 924           (*aBallInfo->myConn)[ iElem ] = aNodeIdMap[aNode->GetID()];
 925 #else
 926           (*aBallInfo->myConn)[ iElem ] = aNode->GetID();
 927 #endif
 928           // element number
 929           aBallInfo->SetElemNum( iElem, anElem->GetID() );
 930
 931           // diameter
 932           aBallInfo->myDiameters[ iElem ] =
 933             static_cast<const SMDS_BallElement*>( anElem )->GetDiameter();
 934
 935           // family number
 936           int famNum = getFamilyId( anElemFamMap, anElem, defaultFamilyId );
 937           aBallInfo->SetFamNum( iElem, famNum );
 938           ++iElem;
 939         }
 940         // store data in a file
 941         myMed->SetBallInfo(aBallInfo);
 942       }
 943
 944       else
 945       {
 946         // Treat standard types
 947         // ---------------------
 948         // allocate data arrays
 949         PCellInfo aCellInfo = myMed->CrCellInfo( aMeshInfo,
 950                                                  aElemTypeData->_entity,
 951                                                  aElemTypeData->_geomType,
 952                                                  aElemTypeData->_nbElems,
 953                                                  theConnMode,
 954                                                  theIsElemNum,
 955                                                  theIsElemNames);
 956
 957         TInt aNbNodes = MED::GetNbNodes(aElemTypeData->_geomType);
 958         elemIterator = myMesh->elementsIterator( aElemTypeData->_smdsType );
 959         if ( aElemTypeData->_smdsType == SMDSAbs_0DElement && ! nodesOf0D.empty() )
 960           elemIterator = iterVecIter;
 961         while ( elemIterator->more() )
 962         {
 963           const SMDS_MeshElement* anElem = elemIterator->next();
 964           if ( anElem->NbNodes() != aNbNodes || anElem->IsPoly() )
 965             continue; // other geometry
 966
 967           // connectivity
 968           TConnSlice aTConnSlice = aCellInfo->GetConnSlice( iElem );
 969           for (TInt iNode = 0; iNode < aNbNodes; iNode++) {
 970             const SMDS_MeshElement* aNode = anElem->GetNode( iNode );
 971 #ifdef _EDF_NODE_IDS_
 972             aTConnSlice[ iNode ] = aNodeIdMap[aNode->GetID()];
 973 #else
 974             aTConnSlice[ iNode ] = aNode->GetID();
 975 #endif
 976           }
 977           // element number
 978           aCellInfo->SetElemNum( iElem, anElem->GetID() );
 979
 980           // family number
 981           int famNum = getFamilyId( anElemFamMap, anElem, defaultFamilyId );
 982           aCellInfo->SetFamNum( iElem, famNum );
 983
 984           if ( ++iElem == aCellInfo->GetNbElem() )
 985             break;
 986         }
 987         // store data in a file
 988         myMed->SetCellInfo(aCellInfo);
 989       }
 990     } // loop on geom types
 991   }
 992   catch(const std::exception& exc) {
 993     INFOS("The following exception was caught:\n\t"<<exc.what());
 994     throw;
 995   }
 996   catch(...) {
 997     INFOS("Unknown exception was caught !!!");
 998     throw;
 999   }
1000
1001   myMeshId = -1;
1002   myGroups.clear();
1003   mySubMeshes.clear();
1004   return aResult;
1005 }
1006
1007 //================================================================================
1008 /*!
1009  * \brief Returns nodes on VERTEXes where 0D elements are absent
1010  */
1011 //================================================================================
1012
1013 bool DriverMED_W_SMESHDS_Mesh::
1014 getNodesOfMissing0DOnVert(SMESHDS_Mesh*                         meshDS,
1015                           std::vector<const SMDS_MeshElement*>& nodes)
1016 {
1017   nodes.clear();
1018   for ( int i = 1; i <= meshDS->MaxShapeIndex(); ++i )
1019   {
1020     if ( meshDS->IndexToShape( i ).ShapeType() != TopAbs_VERTEX )
1021       continue;
1022     if ( SMESHDS_SubMesh* sm = meshDS->MeshElements(i) ) {
1023       SMDS_NodeIteratorPtr nIt= sm->GetNodes();
1024       while (nIt->more())
1025       {
1026         const SMDS_MeshNode* n = nIt->next();
1027         if ( n->NbInverseElements( SMDSAbs_0DElement ) == 0 )
1028           nodes.push_back( n );
1029       }
1030     }
1031   }
1032   return !nodes.empty();
1033 }