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_MeshElement.hxx"
  35 #include "SMDS_MeshNode.hxx"
  36 #include "SMDS_PolyhedralVolumeOfNodes.hxx"
  37 #include "SMDS_SetIterator.hxx"
  38 #include "SMESHDS_Mesh.hxx"
  39
  40 #include <BRep_Tool.hxx>
  41 #include <TopExp_Explorer.hxx>
  42 #include <TopoDS.hxx>
  43
  44 #include <utilities.h>
  45
  46
  47 #define _EDF_NODE_IDS_
  48 //#define _ELEMENTS_BY_DIM_
  49
  50 using namespace std;
  51 using namespace MED;
  52
  53
  54 DriverMED_W_SMESHDS_Mesh::DriverMED_W_SMESHDS_Mesh():
  55   myMedVersion(MED::eV2_2),
  56   myAllSubMeshes (false),
  57   myDoGroupOfNodes (false),
  58   myDoGroupOfEdges (false),
  59   myDoGroupOfFaces (false),
  60   myDoGroupOfVolumes (false),
  61   myDoGroupOf0DElems(false),
  62   myDoGroupOfBalls(false),
  63   myAutoDimension(false),
  64   myAddODOnVertices(false)
  65 {}
  66
  67 void DriverMED_W_SMESHDS_Mesh::SetFile(const std::string& theFileName,
  68                                        MED::EVersion      theId)
  69 {
  70   Driver_SMESHDS_Mesh::SetFile(theFileName);
  71   myMedVersion = theId;
  72 }
  73
  74 void DriverMED_W_SMESHDS_Mesh::SetFile(const std::string& theFileName)
  75 {
  76   Driver_SMESHDS_Mesh::SetFile(theFileName);
  77 }
  78
  79 string DriverMED_W_SMESHDS_Mesh::GetVersionString(const MED::EVersion theVersion, int theNbDigits)
  80 {
  81   TInt majeur, mineur, release;
  82   majeur =  mineur = release = 0;
  83 //   if ( theVersion == eV2_1 )
  84 //     MED::GetVersionRelease<eV2_1>(majeur, mineur, release);
  85 //   else
  86     MED::GetVersionRelease<eV2_2>(majeur, mineur, release);
  87   ostringstream name;
  88   if ( theNbDigits > 0 )
  89     name << majeur;
  90   if ( theNbDigits > 1 )
  91     name << "." << mineur;
  92   if ( theNbDigits > 2 )
  93     name << "." << release;
  94   return name.str();
  95 }
  96
  97 void DriverMED_W_SMESHDS_Mesh::AddGroup(SMESHDS_GroupBase* theGroup)
  98 {
  99   myGroups.push_back(theGroup);
 100 }
 101
 102 void DriverMED_W_SMESHDS_Mesh::AddAllSubMeshes()
 103 {
 104   myAllSubMeshes = true;
 105 }
 106
 107 void DriverMED_W_SMESHDS_Mesh::AddSubMesh(SMESHDS_SubMesh* theSubMesh, int theID)
 108 {
 109   mySubMeshes.push_back( theSubMesh );
 110 }
 111
 112 void DriverMED_W_SMESHDS_Mesh::AddGroupOfNodes()
 113 {
 114   myDoGroupOfNodes = true;
 115 }
 116
 117 void DriverMED_W_SMESHDS_Mesh::AddGroupOfEdges()
 118 {
 119   myDoGroupOfEdges = true;
 120 }
 121
 122 void DriverMED_W_SMESHDS_Mesh::AddGroupOfFaces()
 123 {
 124   myDoGroupOfFaces = true;
 125 }
 126
 127 void DriverMED_W_SMESHDS_Mesh::AddGroupOfVolumes()
 128 {
 129   myDoGroupOfVolumes = true;
 130 }
 131
 132 namespace
 133 {
 134   typedef double (SMDS_MeshNode::* TGetCoord)() const;
 135   typedef const char* TName;
 136   typedef const char* TUnit;
 137
 138   // name length in a mesh must be equal to 16 :
 139   //         1234567890123456
 140   TName M = "m               ";
 141   TName X = "x               ";
 142   TName Y = "y               ";
 143   TName Z = "z               ";
 144
 145   TUnit aUnit[3] = {M,M,M};
 146
 147   // 3 dim
 148   TGetCoord aXYZGetCoord[3] = {
 149     &SMDS_MeshNode::X,
 150     &SMDS_MeshNode::Y,
 151     &SMDS_MeshNode::Z
 152   };
 153   TName aXYZName[3] = {X,Y,Z};
 154
 155   // 2 dim
 156   TGetCoord aXYGetCoord[2] = {
 157     &SMDS_MeshNode::X,
 158     &SMDS_MeshNode::Y
 159   };
 160   TName aXYName[2] = {X,Y};
 161
 162   TGetCoord aYZGetCoord[2] = {
 163     &SMDS_MeshNode::Y,
 164     &SMDS_MeshNode::Z
 165   };
 166   TName aYZName[2] = {Y,Z};
 167
 168   TGetCoord aXZGetCoord[2] = {
 169     &SMDS_MeshNode::X,
 170     &SMDS_MeshNode::Z
 171   };
 172   TName aXZName[2] = {X,Z};
 173
 174   // 1 dim
 175   TGetCoord aXGetCoord[1] = {
 176     &SMDS_MeshNode::X
 177   };
 178   TName aXName[1] = {X};
 179
 180   TGetCoord aYGetCoord[1] = {
 181     &SMDS_MeshNode::Y
 182   };
 183   TName aYName[1] = {Y};
 184
 185   TGetCoord aZGetCoord[1] = {
 186     &SMDS_MeshNode::Z
 187   };
 188   TName aZName[1] = {Z};
 189
 190
 191   class TCoordHelper{
 192     SMDS_NodeIteratorPtr myNodeIter;
 193     const SMDS_MeshNode* myCurrentNode;
 194     TGetCoord* myGetCoord;
 195     TName* myName;
 196     TUnit* myUnit;
 197   public:
 198     TCoordHelper(const SMDS_NodeIteratorPtr& theNodeIter,
 199                  TGetCoord* theGetCoord,
 200                  TName* theName,
 201                  TUnit* theUnit = aUnit):
 202       myNodeIter(theNodeIter),
 203       myGetCoord(theGetCoord),
 204       myName(theName),
 205       myUnit(theUnit)
 206     {}
 207     virtual ~TCoordHelper(){}
 208     bool Next(){
 209       return myNodeIter->more() &&
 210         (myCurrentNode = myNodeIter->next());
 211     }
 212     const SMDS_MeshNode* GetNode(){
 213       return myCurrentNode;
 214     }
 215     MED::TIntVector::value_type GetID(){
 216       return myCurrentNode->GetID();
 217     }
 218     MED::TFloatVector::value_type GetCoord(TInt theCoodId){
 219       return (myCurrentNode->*myGetCoord[theCoodId])();
 220     }
 221     MED::TStringVector::value_type GetName(TInt theDimId){
 222       return myName[theDimId];
 223     }
 224     MED::TStringVector::value_type GetUnit(TInt theDimId){
 225       return myUnit[theDimId];
 226     }
 227   };
 228   typedef boost::shared_ptr<TCoordHelper> TCoordHelperPtr;
 229
 230   //-------------------------------------------------------
 231   /*!
 232    * \brief Structure describing element type
 233    */
 234   //-------------------------------------------------------
 235   struct TElemTypeData
 236   {
 237     EEntiteMaillage     _entity;
 238     EGeometrieElement   _geomType;
 239     TInt                _nbElems;
 240     SMDSAbs_ElementType _smdsType;
 241
 242     TElemTypeData (EEntiteMaillage entity, EGeometrieElement geom, TInt nb, SMDSAbs_ElementType type)
 243       : _entity(entity), _geomType(geom), _nbElems( nb ), _smdsType( type ) {}
 244   };
 245
 246
 247   typedef NCollection_DataMap< Standard_Address, int > TElemFamilyMap;
 248
 249   //================================================================================
 250   /*!
 251    * \brief Fills element to famaly ID map for element type.
 252    * Removes all families of anElemType
 253    */
 254   //================================================================================
 255
 256   void fillElemFamilyMap( TElemFamilyMap &            anElemFamMap,
 257                           list<DriverMED_FamilyPtr> & aFamilies,
 258                           const SMDSAbs_ElementType   anElemType)
 259   {
 260     anElemFamMap.Clear();
 261     list<DriverMED_FamilyPtr>::iterator aFamsIter = aFamilies.begin();
 262     while ( aFamsIter != aFamilies.end() )
 263     {
 264       if ((*aFamsIter)->GetType() != anElemType) {
 265         aFamsIter++;
 266       }
 267       else {
 268         int aFamId = (*aFamsIter)->GetId();
 269         const ElementsSet&              anElems = (*aFamsIter)->GetElements();
 270         ElementsSet::const_iterator anElemsIter = anElems.begin();
 271         for (; anElemsIter != anElems.end(); anElemsIter++)
 272         {
 273           anElemFamMap.Bind( (Standard_Address)*anElemsIter, aFamId );
 274         }
 275         // remove a family from the list
 276         aFamilies.erase( aFamsIter++ );
 277       }
 278     }
 279   }
 280
 281   //================================================================================
 282   /*!
 283    * \brief For an element, return family ID found in the map or a default one
 284    */
 285   //================================================================================
 286
 287   int getFamilyId( const TElemFamilyMap &  anElemFamMap,
 288                    const SMDS_MeshElement* anElement,
 289                    const int               aDefaultFamilyId)
 290   {
 291     if ( anElemFamMap.IsBound( (Standard_Address) anElement ))
 292       return anElemFamMap( (Standard_Address) anElement );
 293
 294     return aDefaultFamilyId;
 295   }
 296
 297   //================================================================================
 298   /*!
 299    * \brief Returns iterator on sub-meshes
 300    */
 301   //================================================================================
 302
 303   SMESHDS_SubMeshIteratorPtr getIterator( std::vector<SMESHDS_SubMesh*>& mySubMeshes )
 304   {
 305     return SMESHDS_SubMeshIteratorPtr
 306       ( new SMDS_SetIterator
 307         < const SMESHDS_SubMesh*, std::vector< SMESHDS_SubMesh* >::iterator >( mySubMeshes.begin(),
 308                                                                                mySubMeshes.end() ));
 309   }
 310 }
 311
 312 Driver_Mesh::Status DriverMED_W_SMESHDS_Mesh::Perform()
 313 {
 314   Status aResult = DRS_OK;
 315   if (myMesh->hasConstructionEdges() || myMesh->hasConstructionFaces()) {
 316     INFOS("SMDS_MESH with hasConstructionEdges() or hasConstructionFaces() do not supports!!!");
 317     return DRS_FAIL;
 318   }
 319   try {
 320     //MESSAGE("Perform - myFile : "<<myFile);
 321
 322     // Creating the MED mesh for corresponding SMDS structure
 323     //-------------------------------------------------------
 324     string aMeshName;
 325     if (myMeshId != -1) {
 326       ostringstream aMeshNameStr;
 327       aMeshNameStr<<myMeshId;
 328       aMeshName = aMeshNameStr.str();
 329     } else {
 330       aMeshName = myMeshName;
 331     }
 332
 333     // Mesh dimension definition
 334
 335     TInt aMeshDimension = 0;
 336     if ( myMesh->NbEdges() > 0 )
 337       aMeshDimension = 1;
 338     if ( myMesh->NbFaces() > 0 )
 339       aMeshDimension = 2;
 340     if ( myMesh->NbVolumes() > 0 )
 341       aMeshDimension = 3;
 342
 343     TInt aSpaceDimension = 3;
 344     TCoordHelperPtr aCoordHelperPtr;
 345     {
 346       bool anIsXDimension = false;
 347       bool anIsYDimension = false;
 348       bool anIsZDimension = false;
 349       if ( myAutoDimension && aMeshDimension < 3 )
 350       {
 351         SMDS_NodeIteratorPtr aNodesIter = myMesh->nodesIterator();
 352         double aBounds[6];
 353         if(aNodesIter->more()){
 354           const SMDS_MeshNode* aNode = aNodesIter->next();
 355           aBounds[0] = aBounds[1] = aNode->X();
 356           aBounds[2] = aBounds[3] = aNode->Y();
 357           aBounds[4] = aBounds[5] = aNode->Z();
 358         }
 359         while(aNodesIter->more()){
 360           const SMDS_MeshNode* aNode = aNodesIter->next();
 361           aBounds[0] = min(aBounds[0],aNode->X());
 362           aBounds[1] = max(aBounds[1],aNode->X());
 363
 364           aBounds[2] = min(aBounds[2],aNode->Y());
 365           aBounds[3] = max(aBounds[3],aNode->Y());
 366
 367           aBounds[4] = min(aBounds[4],aNode->Z());
 368           aBounds[5] = max(aBounds[5],aNode->Z());
 369         }
 370
 371         double EPS = 1.0E-7;
 372         TopoDS_Shape mainShape = myMesh->ShapeToMesh();
 373         bool    hasShapeToMesh = ( myMesh->SubMeshIndices().size() > 1 );
 374         if ( !mainShape.IsNull() && hasShapeToMesh )
 375         {
 376           // define EPS by max tolerance of the mainShape (IPAL53097)
 377           TopExp_Explorer subShape;
 378           for ( subShape.Init( mainShape, TopAbs_FACE ); subShape.More(); subShape.Next() ) {
 379             EPS = Max( EPS, BRep_Tool::Tolerance( TopoDS::Face( subShape.Current() )));
 380           }
 381           for ( subShape.Init( mainShape, TopAbs_EDGE ); subShape.More(); subShape.Next() ) {
 382             EPS = Max( EPS, BRep_Tool::Tolerance( TopoDS::Edge( subShape.Current() )));
 383           }
 384           for ( subShape.Init( mainShape, TopAbs_VERTEX ); subShape.More(); subShape.Next() ) {
 385             EPS = Max( EPS, BRep_Tool::Tolerance( TopoDS::Vertex( subShape.Current() )));
 386           }
 387           EPS *= 2.;
 388         }
 389         anIsXDimension = (aBounds[1] - aBounds[0]) + abs(aBounds[1]) + abs(aBounds[0]) > EPS;
 390         anIsYDimension = (aBounds[3] - aBounds[2]) + abs(aBounds[3]) + abs(aBounds[2]) > EPS;
 391         anIsZDimension = (aBounds[5] - aBounds[4]) + abs(aBounds[5]) + abs(aBounds[4]) > EPS;
 392         aSpaceDimension = Max( aMeshDimension, anIsXDimension + anIsYDimension + anIsZDimension );
 393         if ( !aSpaceDimension )
 394           aSpaceDimension = 3;
 395         // PAL16857(SMESH not conform to the MED convention):
 396         if ( aSpaceDimension == 2 && anIsZDimension ) // 2D only if mesh is in XOY plane
 397           aSpaceDimension = 3;
 398         // PAL18941(a saved study with a mesh belong Z is opened and the mesh is belong X)
 399         if ( aSpaceDimension == 1 && !anIsXDimension ) {// 1D only if mesh is along OX
 400           if ( anIsYDimension ) {
 401             aSpaceDimension = 2;
 402             anIsXDimension = true;
 403           } else {
 404             aSpaceDimension = 3;
 405           }
 406         }
 407       }
 408
 409       SMDS_NodeIteratorPtr aNodesIter = myMesh->nodesIterator(/*idInceasingOrder=*/true);
 410       switch ( aSpaceDimension ) {
 411       case 3:
 412         aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aXYZGetCoord,aXYZName));
 413         break;
 414       case 2:
 415         if(anIsXDimension && anIsYDimension)
 416           aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aXYGetCoord,aXYName));
 417         if(anIsYDimension && anIsZDimension)
 418           aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aYZGetCoord,aYZName));
 419         if(anIsXDimension && anIsZDimension)
 420           aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aXZGetCoord,aXZName));
 421         break;
 422       case 1:
 423         if(anIsXDimension)
 424           aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aXGetCoord,aXName));
 425         if(anIsYDimension)
 426           aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aYGetCoord,aYName));
 427         if(anIsZDimension)
 428           aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aZGetCoord,aZName));
 429         break;
 430       }
 431     }
 432
 433     MED::PWrapper myMed = CrWrapper(myFile,myMedVersion);
 434     PMeshInfo aMeshInfo = myMed->CrMeshInfo(aMeshDimension,aSpaceDimension,aMeshName);
 435     //MESSAGE("Add - aMeshName : "<<aMeshName<<"; "<<aMeshInfo->GetName());
 436     myMed->SetMeshInfo(aMeshInfo);
 437
 438     // Storing SMDS groups and sub-meshes as med families
 439     //----------------------------------------------------
 440     int myNodesDefaultFamilyId      = 0;
 441     int my0DElementsDefaultFamilyId = 0;
 442     int myBallsDefaultFamilyId      = 0;
 443     int myEdgesDefaultFamilyId      = 0;
 444     int myFacesDefaultFamilyId      = 0;
 445     int myVolumesDefaultFamilyId    = 0;
 446     int nbNodes      = myMesh->NbNodes();
 447     int nb0DElements = myMesh->Nb0DElements();
 448     int nbBalls      = myMesh->NbBalls();
 449     int nbEdges      = myMesh->NbEdges();
 450     int nbFaces      = myMesh->NbFaces();
 451     int nbVolumes    = myMesh->NbVolumes();
 452     if (myDoGroupOfNodes && nbNodes) myNodesDefaultFamilyId = REST_NODES_FAMILY;
 453     if (myDoGroupOfEdges && nbEdges) myEdgesDefaultFamilyId = REST_EDGES_FAMILY;
 454     if (myDoGroupOfFaces && nbFaces) myFacesDefaultFamilyId = REST_FACES_FAMILY;
 455     if (myDoGroupOfVolumes && nbVolumes) myVolumesDefaultFamilyId = REST_VOLUMES_FAMILY;
 456     if (myDoGroupOf0DElems && nb0DElements) my0DElementsDefaultFamilyId = REST_0DELEM_FAMILY;
 457     if (myDoGroupOfBalls && nbBalls) myBallsDefaultFamilyId = REST_BALL_FAMILY;
 458
 459     //MESSAGE("Perform - aFamilyInfo");
 460     list<DriverMED_FamilyPtr> aFamilies;
 461     if (myAllSubMeshes) {
 462       aFamilies = DriverMED_Family::MakeFamilies
 463         (myMesh->SubMeshes(), myGroups,
 464          myDoGroupOfNodes   && nbNodes,
 465          myDoGroupOfEdges   && nbEdges,
 466          myDoGroupOfFaces   && nbFaces,
 467          myDoGroupOfVolumes && nbVolumes,
 468          myDoGroupOf0DElems && nb0DElements,
 469          myDoGroupOfBalls   && nbBalls);
 470     }
 471     else {
 472       aFamilies = DriverMED_Family::MakeFamilies
 473         (getIterator( mySubMeshes ), myGroups,
 474          myDoGroupOfNodes   && nbNodes,
 475          myDoGroupOfEdges   && nbEdges,
 476          myDoGroupOfFaces   && nbFaces,
 477          myDoGroupOfVolumes && nbVolumes,
 478          myDoGroupOf0DElems && nb0DElements,
 479          myDoGroupOfBalls   && nbBalls);
 480     }
 481     list<DriverMED_FamilyPtr>::iterator aFamsIter;
 482     for (aFamsIter = aFamilies.begin(); aFamsIter != aFamilies.end(); aFamsIter++)
 483     {
 484       PFamilyInfo aFamilyInfo = (*aFamsIter)->GetFamilyInfo(myMed,aMeshInfo);
 485       myMed->SetFamilyInfo(aFamilyInfo);
 486     }
 487
 488     // Storing SMDS nodes to the MED file for the MED mesh
 489     //----------------------------------------------------
 490 #ifdef _EDF_NODE_IDS_
 491     typedef map<TInt,TInt> TNodeIdMap;
 492     TNodeIdMap aNodeIdMap;
 493 #endif
 494     const EModeSwitch   theMode        = eFULL_INTERLACE;
 495     const ERepere       theSystem      = eCART;
 496     const EBooleen      theIsElemNum   = eVRAI;
 497     const EBooleen      theIsElemNames = eFAUX;
 498     const EConnectivite theConnMode    = eNOD;
 499
 500     TInt aNbNodes = myMesh->NbNodes();
 501     PNodeInfo aNodeInfo = myMed->CrNodeInfo(aMeshInfo, aNbNodes,
 502                                             theMode, theSystem, theIsElemNum, theIsElemNames);
 503
 504     // find family numbers for nodes
 505     TElemFamilyMap anElemFamMap;
 506     fillElemFamilyMap( anElemFamMap, aFamilies, SMDSAbs_Node );
 507
 508     for (TInt iNode = 0; aCoordHelperPtr->Next(); iNode++)
 509     {
 510       // coordinates
 511       TCoordSlice aTCoordSlice = aNodeInfo->GetCoordSlice( iNode );
 512       for(TInt iCoord = 0; iCoord < aSpaceDimension; iCoord++){
 513         aTCoordSlice[iCoord] = aCoordHelperPtr->GetCoord(iCoord);
 514       }
 515       // node number
 516       int aNodeID = aCoordHelperPtr->GetID();
 517       aNodeInfo->SetElemNum( iNode, aNodeID );
 518 #ifdef _EDF_NODE_IDS_
 519       aNodeIdMap.insert( aNodeIdMap.end(), make_pair( aNodeID, iNode+1 ));
 520 #endif
 521       // family number
 522       const SMDS_MeshNode* aNode = aCoordHelperPtr->GetNode();
 523       int famNum = getFamilyId( anElemFamMap, aNode, myNodesDefaultFamilyId );
 524       aNodeInfo->SetFamNum( iNode, famNum );
 525     }
 526     anElemFamMap.Clear();
 527
 528     // coordinate names and units
 529     for (TInt iCoord = 0; iCoord < aSpaceDimension; iCoord++) {
 530       aNodeInfo->SetCoordName( iCoord, aCoordHelperPtr->GetName(iCoord));
 531       aNodeInfo->SetCoordUnit( iCoord, aCoordHelperPtr->GetUnit(iCoord));
 532     }
 533
 534     //MESSAGE("Perform - aNodeInfo->GetNbElem() = "<<aNbNodes);
 535     myMed->SetNodeInfo(aNodeInfo);
 536     aNodeInfo.reset(); // free memory used for arrays
 537
 538
 539     // Storing SMDS elements to the MED file for the MED mesh
 540     //-------------------------------------------------------
 541     // Write one element type at once in order to minimize memory usage (PAL19276)
 542
 543     const SMDS_MeshInfo& nbElemInfo = myMesh->GetMeshInfo();
 544
 545     // poly elements are not supported by med-2.1
 546     bool polyTypesSupported = ( myMed->CrPolygoneInfo(aMeshInfo,eMAILLE,ePOLYGONE,0,0).get() != 0 );
 547     TInt nbPolygonNodes = 0, nbPolyhedronNodes = 0, nbPolyhedronFaces = 0;
 548
 549     // nodes on VERTEXes where 0D elements are absent
 550     std::vector<const SMDS_MeshElement*> nodesOf0D;
 551     std::vector< SMDS_ElemIteratorPtr > iterVec;
 552     SMDS_ElemIteratorPtr iterVecIter;
 553     if ( myAddODOnVertices && getNodesOfMissing0DOnVert( myMesh, nodesOf0D ))
 554     {
 555       iterVec.resize(2);
 556       iterVec[0] = myMesh->elementsIterator( SMDSAbs_0DElement );
 557       iterVec[1] = SMDS_ElemIteratorPtr
 558         ( new SMDS_ElementVectorIterator( nodesOf0D.begin(), nodesOf0D.end() ));
 559
 560       typedef SMDS_IteratorOnIterators
 561         < const SMDS_MeshElement *, std::vector< SMDS_ElemIteratorPtr > > TItIterator;
 562       iterVecIter = SMDS_ElemIteratorPtr( new TItIterator( iterVec ));
 563     }
 564
 565     // collect info on all geom types
 566
 567     list< TElemTypeData > aTElemTypeDatas;
 568
 569     EEntiteMaillage anEntity = eMAILLE;
 570 #ifdef _ELEMENTS_BY_DIM_
 571     anEntity = eNOEUD_ELEMENT;
 572 #endif
 573     aTElemTypeDatas.push_back(TElemTypeData(anEntity,
 574                                             ePOINT1,
 575                                             nbElemInfo.Nb0DElements() + nodesOf0D.size(),
 576                                             SMDSAbs_0DElement));
 577 #ifdef _ELEMENTS_BY_DIM_
 578     anEntity = eSTRUCT_ELEMENT;
 579 #endif
 580     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 581                                              eBALL,
 582                                              nbElemInfo.NbBalls(),
 583                                              SMDSAbs_Ball));
 584 #ifdef _ELEMENTS_BY_DIM_
 585     anEntity = eARETE;
 586 #endif
 587     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 588                                              eSEG2,
 589                                              nbElemInfo.NbEdges( ORDER_LINEAR ),
 590                                              SMDSAbs_Edge));
 591     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 592                                              eSEG3,
 593                                              nbElemInfo.NbEdges( ORDER_QUADRATIC ),
 594                                              SMDSAbs_Edge));
 595 #ifdef _ELEMENTS_BY_DIM_
 596     anEntity = eFACE;
 597 #endif
 598     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 599                                              eTRIA3,
 600                                              nbElemInfo.NbTriangles( ORDER_LINEAR ),
 601                                              SMDSAbs_Face));
 602     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 603                                              eTRIA6,
 604                                              nbElemInfo.NbTriangles( ORDER_QUADRATIC ) -
 605                                              nbElemInfo.NbBiQuadTriangles(),
 606                                              SMDSAbs_Face));
 607     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 608                                              eTRIA7,
 609                                              nbElemInfo.NbBiQuadTriangles(),
 610                                              SMDSAbs_Face));
 611     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 612                                              eQUAD4,
 613                                              nbElemInfo.NbQuadrangles( ORDER_LINEAR ),
 614                                              SMDSAbs_Face));
 615     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 616                                              eQUAD8,
 617                                              nbElemInfo.NbQuadrangles( ORDER_QUADRATIC ) -
 618                                              nbElemInfo.NbBiQuadQuadrangles(),
 619                                              SMDSAbs_Face));
 620     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 621                                              eQUAD9,
 622                                              nbElemInfo.NbBiQuadQuadrangles(),
 623                                              SMDSAbs_Face));
 624     if ( polyTypesSupported ) {
 625       aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 626                                                ePOLYGONE,
 627                                                nbElemInfo.NbPolygons( ORDER_LINEAR ),
 628                                                SMDSAbs_Face));
 629       // we need one more loop on poly elements to count nb of their nodes
 630       aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 631                                                ePOLYGONE,
 632                                                nbElemInfo.NbPolygons( ORDER_LINEAR ),
 633                                                SMDSAbs_Face));
 634       aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 635                                                ePOLYGON2,
 636                                                nbElemInfo.NbPolygons( ORDER_QUADRATIC ),
 637                                                SMDSAbs_Face));
 638       // we need one more loop on QUAD poly elements to count nb of their nodes
 639       aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 640                                                ePOLYGON2,
 641                                                nbElemInfo.NbPolygons( ORDER_QUADRATIC ),
 642                                                SMDSAbs_Face));
 643     }
 644 #ifdef _ELEMENTS_BY_DIM_
 645     anEntity = eMAILLE;
 646 #endif
 647     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 648                                              eTETRA4,
 649                                              nbElemInfo.NbTetras( ORDER_LINEAR ),
 650                                              SMDSAbs_Volume));
 651     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 652                                              eTETRA10,
 653                                              nbElemInfo.NbTetras( ORDER_QUADRATIC ),
 654                                              SMDSAbs_Volume));
 655     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 656                                              ePYRA5,
 657                                              nbElemInfo.NbPyramids( ORDER_LINEAR ),
 658                                              SMDSAbs_Volume));
 659     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 660                                              ePYRA13,
 661                                              nbElemInfo.NbPyramids( ORDER_QUADRATIC ),
 662                                              SMDSAbs_Volume));
 663     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 664                                              ePENTA6,
 665                                              nbElemInfo.NbPrisms( ORDER_LINEAR ),
 666                                              SMDSAbs_Volume));
 667     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 668                                              ePENTA15,
 669                                              nbElemInfo.NbPrisms( ORDER_QUADRATIC ),
 670                                              SMDSAbs_Volume));
 671     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 672                                              eHEXA8,
 673                                              nbElemInfo.NbHexas( ORDER_LINEAR ),
 674                                              SMDSAbs_Volume));
 675     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 676                                              eHEXA20,
 677                                              nbElemInfo.NbHexas( ORDER_QUADRATIC )-
 678                                              nbElemInfo.NbTriQuadHexas(),
 679                                              SMDSAbs_Volume));
 680     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 681                                              eHEXA27,
 682                                              nbElemInfo.NbTriQuadHexas(),
 683                                              SMDSAbs_Volume));
 684     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 685                                              eOCTA12,
 686                                              nbElemInfo.NbHexPrisms(),
 687                                              SMDSAbs_Volume));
 688     if ( polyTypesSupported ) {
 689       aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 690                                                ePOLYEDRE,
 691                                                nbElemInfo.NbPolyhedrons(),
 692                                                SMDSAbs_Volume));
 693       // we need one more loop on poly elements to count nb of their nodes
 694       aTElemTypeDatas.push_back( TElemTypeData(anEntity,
 695                                                ePOLYEDRE,
 696                                                nbElemInfo.NbPolyhedrons(),
 697                                                SMDSAbs_Volume));
 698     }
 699
 700     vector< bool > isElemFamMapBuilt( SMDSAbs_NbElementTypes, false );
 701
 702     // loop on all geom types of elements
 703
 704     list< TElemTypeData >::iterator aElemTypeData = aTElemTypeDatas.begin();
 705     for ( ; aElemTypeData != aTElemTypeDatas.end(); ++aElemTypeData )
 706     {
 707       if ( aElemTypeData->_nbElems == 0 )
 708         continue;
 709
 710       int defaultFamilyId = 0;
 711       switch ( aElemTypeData->_smdsType ) {
 712       case SMDSAbs_0DElement: defaultFamilyId = my0DElementsDefaultFamilyId; break;
 713       case SMDSAbs_Ball:      defaultFamilyId = myBallsDefaultFamilyId;      break;
 714       case SMDSAbs_Edge:      defaultFamilyId = myEdgesDefaultFamilyId;      break;
 715       case SMDSAbs_Face:      defaultFamilyId = myFacesDefaultFamilyId;      break;
 716       case SMDSAbs_Volume:    defaultFamilyId = myVolumesDefaultFamilyId;    break;
 717       default:
 718         continue;
 719       }
 720
 721       // iterator on elements of a current type
 722       SMDS_ElemIteratorPtr elemIterator;
 723       int iElem = 0;
 724
 725       // Treat POLYGONs
 726       // ---------------
 727       if ( aElemTypeData->_geomType == ePOLYGONE ||
 728            aElemTypeData->_geomType == ePOLYGON2 )
 729       {
 730         if ( aElemTypeData->_geomType == ePOLYGONE )
 731           elemIterator = myMesh->elementEntityIterator( SMDSEntity_Polygon );
 732         else
 733           elemIterator = myMesh->elementEntityIterator( SMDSEntity_Quad_Polygon );
 734
 735         if ( nbPolygonNodes == 0 ) {
 736           // Count nb of nodes
 737           while ( elemIterator->more() ) {
 738             const SMDS_MeshElement* anElem = elemIterator->next();
 739             nbPolygonNodes += anElem->NbNodes();
 740             if ( ++iElem == aElemTypeData->_nbElems )
 741               break;
 742           }
 743         }
 744         else {
 745           // Store in med file
 746           PPolygoneInfo aPolygoneInfo = myMed->CrPolygoneInfo(aMeshInfo,
 747                                                               aElemTypeData->_entity,
 748                                                               aElemTypeData->_geomType,
 749                                                               aElemTypeData->_nbElems,
 750                                                               nbPolygonNodes,
 751                                                               theConnMode, theIsElemNum,
 752                                                               theIsElemNames);
 753           TElemNum & index = *(aPolygoneInfo->myIndex.get());
 754           index[0] = 1;
 755
 756           while ( elemIterator->more() )
 757           {
 758             const SMDS_MeshElement* anElem = elemIterator->next();
 759             // index
 760             TInt aNbNodes = anElem->NbNodes();
 761             index[ iElem+1 ] = index[ iElem ] + aNbNodes;
 762
 763             // connectivity
 764             TConnSlice aTConnSlice = aPolygoneInfo->GetConnSlice( iElem );
 765             for(TInt iNode = 0; iNode < aNbNodes; iNode++) {
 766               const SMDS_MeshElement* aNode = anElem->GetNode( iNode );
 767 #ifdef _EDF_NODE_IDS_
 768               aTConnSlice[ iNode ] = aNodeIdMap[aNode->GetID()];
 769 #else
 770               aTConnSlice[ iNode ] = aNode->GetID();
 771 #endif
 772             }
 773             // element number
 774             aPolygoneInfo->SetElemNum( iElem, anElem->GetID() );
 775
 776             // family number
 777             int famNum = getFamilyId( anElemFamMap, anElem, defaultFamilyId );
 778             aPolygoneInfo->SetFamNum( iElem, famNum );
 779
 780             if ( ++iElem == aPolygoneInfo->GetNbElem() )
 781               break;
 782           }
 783           myMed->SetPolygoneInfo(aPolygoneInfo);
 784
 785           nbPolygonNodes = 0; // to treat next polygon type
 786         }
 787       }
 788
 789       // Treat POLYEDREs
 790       // ----------------
 791       else if (aElemTypeData->_geomType == ePOLYEDRE )
 792       {
 793         elemIterator = myMesh->elementGeomIterator( SMDSGeom_POLYHEDRA );
 794
 795         if ( nbPolyhedronNodes == 0 ) {
 796           // Count nb of nodes
 797           while ( elemIterator->more() ) {
 798             const SMDS_MeshElement*  anElem = elemIterator->next();
 799             const SMDS_VtkVolume *aPolyedre = dynamic_cast<const SMDS_VtkVolume*>(anElem);
 800             if ( !aPolyedre ) continue;
 801             nbPolyhedronNodes += aPolyedre->NbNodes();
 802             nbPolyhedronFaces += aPolyedre->NbFaces();
 803             if ( ++iElem == aElemTypeData->_nbElems )
 804               break;
 805           }
 806         }
 807         else {
 808           // Store in med file
 809           PPolyedreInfo aPolyhInfo = myMed->CrPolyedreInfo(aMeshInfo,
 810                                                            aElemTypeData->_entity,
 811                                                            aElemTypeData->_geomType,
 812                                                            aElemTypeData->_nbElems,
 813                                                            nbPolyhedronFaces+1,
 814                                                            nbPolyhedronNodes,
 815                                                            theConnMode,
 816                                                            theIsElemNum,
 817                                                            theIsElemNames);
 818           TElemNum & index = *(aPolyhInfo->myIndex.get());
 819           TElemNum & faces = *(aPolyhInfo->myFaces.get());
 820           TElemNum & conn  = *(aPolyhInfo->myConn.get());
 821           index[0] = 1;
 822           faces[0] = 1;
 823
 824           TInt iFace = 0, iNode = 0;
 825           while ( elemIterator->more() )
 826           {
 827             const SMDS_MeshElement*  anElem = elemIterator->next();
 828             const SMDS_VtkVolume *aPolyedre = dynamic_cast<const SMDS_VtkVolume*>(anElem);
 829             if ( !aPolyedre ) continue;
 830             // index
 831             TInt aNbFaces = aPolyedre->NbFaces();
 832             index[ iElem+1 ] = index[ iElem ] + aNbFaces;
 833
 834             // face index
 835             for (TInt f = 1; f <= aNbFaces; ++f, ++iFace ) {
 836               int aNbFaceNodes = aPolyedre->NbFaceNodes( f );
 837               faces[ iFace+1 ] = faces[ iFace ] + aNbFaceNodes;
 838             }
 839             // connectivity
 840             SMDS_ElemIteratorPtr nodeIt = anElem->nodesIterator();
 841             while ( nodeIt->more() ) {
 842               const SMDS_MeshElement* aNode = nodeIt->next();
 843 #ifdef _EDF_NODE_IDS_
 844               conn[ iNode ] = aNodeIdMap[aNode->GetID()];
 845 #else
 846               conn[ iNode ] = aNode->GetID();
 847 #endif
 848               ++iNode;
 849             }
 850             // element number
 851             aPolyhInfo->SetElemNum( iElem, anElem->GetID() );
 852
 853             // family number
 854             int famNum = getFamilyId( anElemFamMap, anElem, defaultFamilyId );
 855             aPolyhInfo->SetFamNum( iElem, famNum );
 856
 857             if ( ++iElem == aPolyhInfo->GetNbElem() )
 858               break;
 859           }
 860           myMed->SetPolyedreInfo(aPolyhInfo);
 861         }
 862       } // if (aElemTypeData->_geomType == ePOLYEDRE )
 863
 864       // Treat BALLs
 865       // ----------------
 866       else if (aElemTypeData->_geomType == eBALL )
 867       {
 868         // allocate data arrays
 869         PBallInfo aBallInfo = myMed->CrBallInfo( aMeshInfo, aElemTypeData->_nbElems );
 870
 871         // build map of family numbers for this type
 872         if ( !isElemFamMapBuilt[ aElemTypeData->_smdsType ])
 873         {
 874           fillElemFamilyMap( anElemFamMap, aFamilies, aElemTypeData->_smdsType );
 875           isElemFamMapBuilt[ aElemTypeData->_smdsType ] = true;
 876         }
 877
 878         elemIterator = myMesh->elementsIterator( SMDSAbs_Ball );
 879         while ( elemIterator->more() )
 880         {
 881           const SMDS_MeshElement* anElem = elemIterator->next();
 882           // connectivity
 883           const SMDS_MeshElement* aNode = anElem->GetNode( 0 );
 884 #ifdef _EDF_NODE_IDS_
 885           (*aBallInfo->myConn)[ iElem ] = aNodeIdMap[aNode->GetID()];
 886 #else
 887           (*aBallInfo->myConn)[ iElem ] = aNode->GetID();
 888 #endif
 889           // element number
 890           aBallInfo->SetElemNum( iElem, anElem->GetID() );
 891
 892           // diameter
 893           aBallInfo->myDiameters[ iElem ] =
 894             static_cast<const SMDS_BallElement*>( anElem )->GetDiameter();
 895
 896           // family number
 897           int famNum = getFamilyId( anElemFamMap, anElem, defaultFamilyId );
 898           aBallInfo->SetFamNum( iElem, famNum );
 899           ++iElem;
 900         }
 901         // store data in a file
 902         myMed->SetBallInfo(aBallInfo);
 903       }
 904
 905       else
 906       {
 907         // Treat standard types
 908         // ---------------------
 909
 910         // allocate data arrays
 911         PCellInfo aCellInfo = myMed->CrCellInfo( aMeshInfo,
 912                                                  aElemTypeData->_entity,
 913                                                  aElemTypeData->_geomType,
 914                                                  aElemTypeData->_nbElems,
 915                                                  theConnMode,
 916                                                  theIsElemNum,
 917                                                  theIsElemNames);
 918         // build map of family numbers for this type
 919         if ( !isElemFamMapBuilt[ aElemTypeData->_smdsType ])
 920         {
 921           //cout << " fillElemFamilyMap()" << endl;
 922           fillElemFamilyMap( anElemFamMap, aFamilies, aElemTypeData->_smdsType );
 923           isElemFamMapBuilt[ aElemTypeData->_smdsType ] = true;
 924         }
 925
 926         TInt aNbNodes = MED::GetNbNodes(aElemTypeData->_geomType);
 927         elemIterator = myMesh->elementsIterator( aElemTypeData->_smdsType );
 928         if ( aElemTypeData->_smdsType == SMDSAbs_0DElement && ! nodesOf0D.empty() )
 929           elemIterator = iterVecIter;
 930         while ( elemIterator->more() )
 931         {
 932           const SMDS_MeshElement* anElem = elemIterator->next();
 933           if ( anElem->NbNodes() != aNbNodes || anElem->IsPoly() )
 934             continue; // other geometry
 935
 936           // connectivity
 937           TConnSlice aTConnSlice = aCellInfo->GetConnSlice( iElem );
 938           for (TInt iNode = 0; iNode < aNbNodes; iNode++) {
 939             const SMDS_MeshElement* aNode = anElem->GetNode( iNode );
 940 #ifdef _EDF_NODE_IDS_
 941             aTConnSlice[ iNode ] = aNodeIdMap[aNode->GetID()];
 942 #else
 943             aTConnSlice[ iNode ] = aNode->GetID();
 944 #endif
 945           }
 946           // element number
 947           aCellInfo->SetElemNum( iElem, anElem->GetID() );
 948
 949           // family number
 950           int famNum = getFamilyId( anElemFamMap, anElem, defaultFamilyId );
 951           aCellInfo->SetFamNum( iElem, famNum );
 952
 953           if ( ++iElem == aCellInfo->GetNbElem() )
 954             break;
 955         }
 956         // store data in a file
 957         myMed->SetCellInfo(aCellInfo);
 958       }
 959
 960     } // loop on geom types
 961
 962
 963   }
 964   catch(const std::exception& exc) {
 965     INFOS("The following exception was caught:\n\t"<<exc.what());
 966     throw;
 967   }
 968   catch(...) {
 969     INFOS("Unknown exception was caught !!!");
 970     throw;
 971   }
 972
 973   myMeshId = -1;
 974   myGroups.clear();
 975   mySubMeshes.clear();
 976   return aResult;
 977 }
 978
 979 //================================================================================
 980 /*!
 981  * \brief Returns nodes on VERTEXes where 0D elements are absent
 982  */
 983 //================================================================================
 984
 985 bool DriverMED_W_SMESHDS_Mesh::
 986 getNodesOfMissing0DOnVert(SMESHDS_Mesh*                         meshDS,
 987                           std::vector<const SMDS_MeshElement*>& nodes)
 988 {
 989   nodes.clear();
 990   for ( int i = 1; i <= meshDS->MaxShapeIndex(); ++i )
 991   {
 992     if ( meshDS->IndexToShape( i ).ShapeType() != TopAbs_VERTEX )
 993       continue;
 994     if ( SMESHDS_SubMesh* sm = meshDS->MeshElements(i) ) {
 995       SMDS_NodeIteratorPtr nIt= sm->GetNodes();
 996       while (nIt->more())
 997       {
 998         const SMDS_MeshNode* n = nIt->next();
 999         if ( n->NbInverseElements( SMDSAbs_0DElement ) == 0 )
1000           nodes.push_back( n );
1001       }
1002     }
1003   }
1004   return !nodes.empty();
1005 }