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