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[modules/smesh.git] / src / DriverMED / DriverMED_W_SMESHDS_Mesh.cxx
1 //  Copyright (C) 2007-2010  CEA/DEN, EDF R&D, OPEN CASCADE
2 //
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4 //  CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
5 //
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8 //  License as published by the Free Software Foundation; either
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10 //
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22
23 //  SMESH DriverMED : driver to read and write 'med' files
24 //  File   : DriverMED_W_SMESHDS_Mesh.cxx
25 //  Module : SMESH
26 //
27 #include <sstream>
28
29 #include "DriverMED_W_SMESHDS_Mesh.h"
30 #include "DriverMED_W_SMDS_Mesh.h"
31 #include "DriverMED_Family.h"
32
33 #include "SMESHDS_Mesh.hxx"
34 #include "SMDS_MeshElement.hxx"
35 #include "SMDS_MeshNode.hxx"
36 #include "SMDS_PolyhedralVolumeOfNodes.hxx"
37
38 #include "utilities.h"
39
40 #include "MED_Utilities.hxx"
41
42 #define _EDF_NODE_IDS_
43 //#define _ELEMENTS_BY_DIM_
44
45 using namespace std;
46 using namespace MED;
47
48
49 DriverMED_W_SMESHDS_Mesh::DriverMED_W_SMESHDS_Mesh():
50   myAllSubMeshes (false),
51   myDoGroupOfNodes (false),
52   myDoGroupOfEdges (false),
53   myDoGroupOfFaces (false),
54   myDoGroupOfVolumes (false)
55 {}
56
57 void DriverMED_W_SMESHDS_Mesh::SetFile(const std::string& theFileName, 
58                                        MED::EVersion theId)
59 {
60   myMed = CrWrapper(theFileName,theId);
61   Driver_SMESHDS_Mesh::SetFile(theFileName);
62 }
63
64 void DriverMED_W_SMESHDS_Mesh::SetFile(const std::string& theFileName)
65 {
66   return SetFile(theFileName,MED::eV2_2);
67 }
68
69 string DriverMED_W_SMESHDS_Mesh::GetVersionString(const MED::EVersion theVersion, int theNbDigits)
70 {
71   TInt majeur, mineur, release;
72   majeur =  mineur = release = 0;
73   if ( theVersion == eV2_1 )
74     MED::GetVersionRelease<eV2_1>(majeur, mineur, release);
75   else
76     MED::GetVersionRelease<eV2_2>(majeur, mineur, release);
77   ostringstream name;
78   if ( theNbDigits > 0 )
79     name << majeur;
80   if ( theNbDigits > 1 )
81     name << "." << mineur;
82   if ( theNbDigits > 2 )
83     name << "." << release;
84   return name.str();
85 }
86
87 void DriverMED_W_SMESHDS_Mesh::SetMeshName(const std::string& theMeshName)
88 {
89   myMeshName = theMeshName;
90 }
91
92 void DriverMED_W_SMESHDS_Mesh::AddGroup(SMESHDS_GroupBase* theGroup)
93 {
94   myGroups.push_back(theGroup);
95 }
96
97 void DriverMED_W_SMESHDS_Mesh::AddAllSubMeshes()
98 {
99   myAllSubMeshes = true;
100 }
101
102 void DriverMED_W_SMESHDS_Mesh::AddSubMesh(SMESHDS_SubMesh* theSubMesh, int theID)
103 {
104   mySubMeshes[theID] = theSubMesh;
105 }
106
107 void DriverMED_W_SMESHDS_Mesh::AddGroupOfNodes()
108 {
109   myDoGroupOfNodes = true;
110 }
111
112 void DriverMED_W_SMESHDS_Mesh::AddGroupOfEdges()
113 {
114   myDoGroupOfEdges = true;
115 }
116
117 void DriverMED_W_SMESHDS_Mesh::AddGroupOfFaces()
118 {
119   myDoGroupOfFaces = true;
120 }
121
122 void DriverMED_W_SMESHDS_Mesh::AddGroupOfVolumes()
123 {
124   myDoGroupOfVolumes = true;
125 }
126
127 namespace{
128   typedef double (SMDS_MeshNode::* TGetCoord)() const;
129   typedef const char* TName;
130   typedef const char* TUnit;
131
132   // name length in a mesh must be equal to 16 :
133   //         1234567890123456
134   TName M = "m               ";
135   TName X = "x               ";
136   TName Y = "y               ";
137   TName Z = "z               ";
138
139   TUnit aUnit[3] = {M,M,M};
140
141   // 3 dim
142   TGetCoord aXYZGetCoord[3] = {
143     &SMDS_MeshNode::X, 
144     &SMDS_MeshNode::Y, 
145     &SMDS_MeshNode::Z
146   };
147   TName aXYZName[3] = {X,Y,Z};
148   
149   // 2 dim
150   TGetCoord aXYGetCoord[2] = {
151     &SMDS_MeshNode::X, 
152     &SMDS_MeshNode::Y
153   };
154   TName aXYName[2] = {X,Y};
155
156   TGetCoord aYZGetCoord[2] = {
157     &SMDS_MeshNode::Y, 
158     &SMDS_MeshNode::Z
159   };
160   TName aYZName[2] = {Y,Z};
161
162   TGetCoord aXZGetCoord[2] = {
163     &SMDS_MeshNode::X, 
164     &SMDS_MeshNode::Z
165   };
166   TName aXZName[2] = {X,Z};
167
168   // 1 dim
169   TGetCoord aXGetCoord[1] = {
170     &SMDS_MeshNode::X
171   };
172   TName aXName[1] = {X};
173
174   TGetCoord aYGetCoord[1] = {
175     &SMDS_MeshNode::Y
176   };
177   TName aYName[1] = {Y};
178
179   TGetCoord aZGetCoord[1] = {
180     &SMDS_MeshNode::Z
181   };
182   TName aZName[1] = {Z};
183
184
185   class TCoordHelper{
186     SMDS_NodeIteratorPtr myNodeIter;
187     const SMDS_MeshNode* myCurrentNode;
188     TGetCoord* myGetCoord;
189     TName* myName;
190     TUnit* myUnit;
191   public:
192     TCoordHelper(const SMDS_NodeIteratorPtr& theNodeIter,
193                  TGetCoord* theGetCoord,
194                  TName* theName,
195                  TUnit* theUnit = aUnit):
196       myNodeIter(theNodeIter),
197       myGetCoord(theGetCoord),
198       myName(theName),
199       myUnit(theUnit)
200     {}
201     virtual ~TCoordHelper(){}
202     bool Next(){ 
203       return myNodeIter->more() && 
204         (myCurrentNode = myNodeIter->next());
205     }
206     const SMDS_MeshNode* GetNode(){
207       return myCurrentNode;
208     }
209     MED::TIntVector::value_type GetID(){
210       return myCurrentNode->GetID();
211     }
212     MED::TFloatVector::value_type GetCoord(TInt theCoodId){
213       return (myCurrentNode->*myGetCoord[theCoodId])();
214     }
215     MED::TStringVector::value_type GetName(TInt theDimId){
216       return myName[theDimId];
217     }
218     MED::TStringVector::value_type GetUnit(TInt theDimId){
219       return myUnit[theDimId];
220     }
221   };
222   typedef boost::shared_ptr<TCoordHelper> TCoordHelperPtr;
223
224
225   //-------------------------------------------------------
226   /*!
227    * \brief Class helping to use either SMDS_0DElementIterator,
228    * SMDS_EdgeIterator, SMDS_FaceIterator or SMDS_VolumeIterator
229    * in the same code
230    */
231   //-------------------------------------------------------
232   struct TElemIterator
233   {
234     virtual const SMDS_MeshElement* next() = 0;
235     virtual ~TElemIterator() {}
236   };
237   typedef boost::shared_ptr<TElemIterator> PElemIterator;
238
239   template< class SMDSIteratorPtr > class TypedElemIterator: public TElemIterator
240   {
241     SMDSIteratorPtr myItPtr;
242   public:
243     TypedElemIterator(SMDSIteratorPtr it): myItPtr(it) {}
244     virtual const SMDS_MeshElement* next() {
245       if ( myItPtr->more() ) return myItPtr->next();
246       else                   return 0;
247     }
248   };
249   typedef TypedElemIterator< SMDS_0DElementIteratorPtr > T0DElementIterator;
250   typedef TypedElemIterator< SMDS_EdgeIteratorPtr > TEdgeIterator;
251   typedef TypedElemIterator< SMDS_FaceIteratorPtr > TFaceIterator;
252   typedef TypedElemIterator< SMDS_VolumeIteratorPtr > TVolumeIterator;
253
254   //-------------------------------------------------------
255   /*!
256    * \brief Structure describing element type
257    */
258   //-------------------------------------------------------
259   struct TElemTypeData
260   {
261     EEntiteMaillage     _entity;
262     EGeometrieElement   _geomType;
263     TInt                _nbElems;
264     SMDSAbs_ElementType _smdsType;
265
266     TElemTypeData (EEntiteMaillage entity, EGeometrieElement geom, TInt nb, SMDSAbs_ElementType type)
267       : _entity(entity), _geomType(geom), _nbElems( nb ), _smdsType( type ) {}
268   };
269
270
271   typedef NCollection_DataMap< Standard_Address, int > TElemFamilyMap;
272   //typedef map<const SMDS_MeshElement *, int> TElemFamilyMap;
273
274   //================================================================================
275   /*!
276    * \brief Fills element to famaly ID map for element type.
277    * Removes all families of anElemType
278    */
279   //================================================================================
280
281   void fillElemFamilyMap( TElemFamilyMap &            anElemFamMap,
282                           list<DriverMED_FamilyPtr> & aFamilies,
283                           const SMDSAbs_ElementType   anElemType)
284   {
285     anElemFamMap.Clear();
286     //anElemFamMap.clear();
287     list<DriverMED_FamilyPtr>::iterator aFamsIter = aFamilies.begin();
288     while ( aFamsIter != aFamilies.end() )
289     {
290       if ((*aFamsIter)->GetType() != anElemType) {
291         aFamsIter++;
292       }
293       else {
294         int aFamId = (*aFamsIter)->GetId();
295         const set<const SMDS_MeshElement *>& anElems = (*aFamsIter)->GetElements();
296         set<const SMDS_MeshElement *>::const_iterator anElemsIter = anElems.begin();
297         for (; anElemsIter != anElems.end(); anElemsIter++)
298         {
299           anElemFamMap.Bind( (Standard_Address)*anElemsIter, aFamId );
300           //anElemFamMap[*anElemsIter] = aFamId;
301         }
302         // remove a family from the list
303         aFamilies.erase( aFamsIter++ );
304       }
305     }
306   }
307
308   //================================================================================
309   /*!
310    * \brief For an element, return family ID found in the map or a default one
311    */
312   //================================================================================
313
314   int getFamilyId( const TElemFamilyMap &  anElemFamMap,
315                    const SMDS_MeshElement* anElement,
316                    const int               aDefaultFamilyId)
317   {
318     if ( anElemFamMap.IsBound( (Standard_Address) anElement ))
319       return anElemFamMap( (Standard_Address) anElement );
320 //     TElemFamilyMap::iterator elem_famNum = anElemFamMap.find( anElement );
321 //     if ( elem_famNum != anElemFamMap.end() )
322 //       return elem_famNum->second;
323     return aDefaultFamilyId;
324   }
325 }
326
327 Driver_Mesh::Status DriverMED_W_SMESHDS_Mesh::Perform()
328 {
329   Status aResult = DRS_OK;
330   if (myMesh->hasConstructionEdges() || myMesh->hasConstructionFaces()) {
331     INFOS("SMDS_MESH with hasConstructionEdges() or hasConstructionFaces() do not supports!!!");
332     return DRS_FAIL;
333   }
334   try {
335     MESSAGE("Perform - myFile : "<<myFile);
336
337     // Creating the MED mesh for corresponding SMDS structure
338     //-------------------------------------------------------
339     string aMeshName;
340     if (myMeshId != -1) {
341       ostringstream aMeshNameStr;
342       aMeshNameStr<<myMeshId;
343       aMeshName = aMeshNameStr.str();
344     } else {
345       aMeshName = myMeshName;
346     }
347
348     // Mesh dimension definition
349     TInt aMeshDimension;
350     TCoordHelperPtr aCoordHelperPtr;
351     {  
352       bool anIsXDimension = false;
353       bool anIsYDimension = false;
354       bool anIsZDimension = false;
355       {
356         SMDS_NodeIteratorPtr aNodesIter = myMesh->nodesIterator();
357         double aBounds[6];
358         if(aNodesIter->more()){
359           const SMDS_MeshNode* aNode = aNodesIter->next();
360           aBounds[0] = aBounds[1] = aNode->X();
361           aBounds[2] = aBounds[3] = aNode->Y();
362           aBounds[4] = aBounds[5] = aNode->Z();
363         }
364         while(aNodesIter->more()){
365           const SMDS_MeshNode* aNode = aNodesIter->next();
366           aBounds[0] = min(aBounds[0],aNode->X());
367           aBounds[1] = max(aBounds[1],aNode->X());
368           
369           aBounds[2] = min(aBounds[2],aNode->Y());
370           aBounds[3] = max(aBounds[3],aNode->Y());
371           
372           aBounds[4] = min(aBounds[4],aNode->Z());
373           aBounds[5] = max(aBounds[5],aNode->Z());
374         }
375
376         double EPS = 1.0E-7;
377         anIsXDimension = (aBounds[1] - aBounds[0]) + abs(aBounds[1]) + abs(aBounds[0]) > EPS;
378         anIsYDimension = (aBounds[3] - aBounds[2]) + abs(aBounds[3]) + abs(aBounds[2]) > EPS;
379         anIsZDimension = (aBounds[5] - aBounds[4]) + abs(aBounds[5]) + abs(aBounds[4]) > EPS;
380         aMeshDimension = anIsXDimension + anIsYDimension + anIsZDimension;
381         if(!aMeshDimension)
382           aMeshDimension = 3;
383         // PAL16857(SMESH not conform to the MED convention):
384         if ( aMeshDimension == 2 && anIsZDimension ) // 2D only if mesh is in XOY plane
385           aMeshDimension = 3;
386         // PAL18941(a saved study with a mesh belong Z is opened and the mesh is belong X)
387         if ( aMeshDimension == 1 && !anIsXDimension ) // 1D only if mesh is along OX
388           if ( anIsYDimension ) {
389             aMeshDimension = 2;
390             anIsXDimension = true;
391           } else {
392             aMeshDimension = 3;
393           }
394       }
395
396       SMDS_NodeIteratorPtr aNodesIter = myMesh->nodesIterator(/*idInceasingOrder=*/true);
397       switch(aMeshDimension){
398       case 3:
399         aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aXYZGetCoord,aXYZName));
400         break;
401       case 2:
402         if(anIsXDimension && anIsYDimension)
403           aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aXYGetCoord,aXYName));
404         if(anIsYDimension && anIsZDimension)
405           aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aYZGetCoord,aYZName));
406         if(anIsXDimension && anIsZDimension)
407           aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aXZGetCoord,aXZName));
408         break;
409       case 1:
410         if(anIsXDimension)
411           aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aXGetCoord,aXName));
412         if(anIsYDimension)
413           aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aYGetCoord,aYName));
414         if(anIsZDimension)
415           aCoordHelperPtr.reset(new TCoordHelper(aNodesIter,aZGetCoord,aZName));
416         break;
417       }
418     }
419
420     
421     PMeshInfo aMeshInfo = myMed->CrMeshInfo(aMeshDimension,aMeshName);
422     MESSAGE("Add - aMeshName : "<<aMeshName<<"; "<<aMeshInfo->GetName());
423     myMed->SetMeshInfo(aMeshInfo);
424
425     // Storing SMDS groups and sub-meshes as med families
426     //----------------------------------------------------
427     int myNodesDefaultFamilyId   = 0;
428     int my0DElementsDefaultFamilyId = 0;
429     int myEdgesDefaultFamilyId   = 0;
430     int myFacesDefaultFamilyId   = 0;
431     int myVolumesDefaultFamilyId = 0;
432     int nbNodes   = myMesh->NbNodes();
433     int nb0DElements = myMesh->Nb0DElements();
434     int nbEdges   = myMesh->NbEdges();
435     int nbFaces   = myMesh->NbFaces();
436     int nbVolumes = myMesh->NbVolumes();
437     if (myDoGroupOfNodes && nbNodes)
438       myNodesDefaultFamilyId = REST_NODES_FAMILY;
439     if (myDoGroupOfEdges && nbEdges)
440       myEdgesDefaultFamilyId = REST_EDGES_FAMILY;
441     if (myDoGroupOfFaces && nbFaces)
442       myFacesDefaultFamilyId = REST_FACES_FAMILY;
443     if (myDoGroupOfVolumes && nbVolumes)
444       myVolumesDefaultFamilyId = REST_VOLUMES_FAMILY;
445
446     MESSAGE("Perform - aFamilyInfo");
447     //cout << " DriverMED_Family::MakeFamilies() " << endl;
448     list<DriverMED_FamilyPtr> aFamilies;
449     if (myAllSubMeshes) {
450       aFamilies = DriverMED_Family::MakeFamilies
451         (myMesh->SubMeshes(), myGroups,
452          myDoGroupOfNodes   && nbNodes,
453          myDoGroupOfEdges   && nbEdges,
454          myDoGroupOfFaces   && nbFaces,
455          myDoGroupOfVolumes && nbVolumes);
456     } else {
457       aFamilies = DriverMED_Family::MakeFamilies
458         (mySubMeshes, myGroups,
459          myDoGroupOfNodes   && nbNodes,
460          myDoGroupOfEdges   && nbEdges,
461          myDoGroupOfFaces   && nbFaces,
462          myDoGroupOfVolumes && nbVolumes);
463     }
464     //cout << " myMed->SetFamilyInfo() " << endl;
465     list<DriverMED_FamilyPtr>::iterator aFamsIter;
466     for (aFamsIter = aFamilies.begin(); aFamsIter != aFamilies.end(); aFamsIter++)
467     {
468       PFamilyInfo aFamilyInfo = (*aFamsIter)->GetFamilyInfo(myMed,aMeshInfo);
469       myMed->SetFamilyInfo(aFamilyInfo);
470     }
471
472     // Storing SMDS nodes to the MED file for the MED mesh
473     //----------------------------------------------------
474 #ifdef _EDF_NODE_IDS_
475     typedef map<TInt,TInt> TNodeIdMap;
476     TNodeIdMap aNodeIdMap;
477 #endif
478     const EModeSwitch   theMode        = eFULL_INTERLACE;
479     const ERepere       theSystem      = eCART;
480     const EBooleen      theIsElemNum   = eVRAI;
481     const EBooleen      theIsElemNames = eFAUX;
482     const EConnectivite theConnMode    = eNOD;
483
484     TInt aNbNodes = myMesh->NbNodes();
485     //cout << " myMed->CrNodeInfo() aNbNodes = " << aNbNodes << endl;
486     PNodeInfo aNodeInfo = myMed->CrNodeInfo(aMeshInfo, aNbNodes,
487                                             theMode, theSystem, theIsElemNum, theIsElemNames);
488
489     //cout << " fillElemFamilyMap( SMDSAbs_Node )" << endl;
490     // find family numbers for nodes
491     TElemFamilyMap anElemFamMap;
492     fillElemFamilyMap( anElemFamMap, aFamilies, SMDSAbs_Node );
493
494     for (TInt iNode = 0; aCoordHelperPtr->Next(); iNode++)
495     {
496       // coordinates
497       TCoordSlice aTCoordSlice = aNodeInfo->GetCoordSlice( iNode );
498       for(TInt iCoord = 0; iCoord < aMeshDimension; iCoord++){
499         aTCoordSlice[iCoord] = aCoordHelperPtr->GetCoord(iCoord);
500       }
501       // node number
502       int aNodeID = aCoordHelperPtr->GetID();
503       aNodeInfo->SetElemNum( iNode, aNodeID );
504 #ifdef _EDF_NODE_IDS_
505       aNodeIdMap[aNodeID] = iNode+1;
506 #endif
507       // family number
508       const SMDS_MeshNode* aNode = aCoordHelperPtr->GetNode();
509       int famNum = getFamilyId( anElemFamMap, aNode, myNodesDefaultFamilyId );
510       aNodeInfo->SetFamNum( iNode, famNum );
511     }
512     anElemFamMap.Clear();
513
514     // coordinate names and units
515     for (TInt iCoord = 0; iCoord < aMeshDimension; iCoord++) {
516       aNodeInfo->SetCoordName( iCoord, aCoordHelperPtr->GetName(iCoord));
517       aNodeInfo->SetCoordUnit( iCoord, aCoordHelperPtr->GetUnit(iCoord));
518     }
519
520     //cout << " SetNodeInfo(aNodeInfo)" << endl;
521     MESSAGE("Perform - aNodeInfo->GetNbElem() = "<<aNbNodes);
522     myMed->SetNodeInfo(aNodeInfo);
523     aNodeInfo.reset(); // free memory used for arrays
524
525
526     // Storing SMDS elements to the MED file for the MED mesh
527     //-------------------------------------------------------
528     // Write one element type at once in order to minimize memory usage (PAL19276)
529
530     const SMDS_MeshInfo& nbElemInfo = myMesh->GetMeshInfo();
531
532     // poly elements are not supported by med-2.1
533     bool polyTypesSupported = myMed->CrPolygoneInfo(aMeshInfo,eMAILLE,ePOLYGONE,0,0);
534     TInt nbPolygonNodes = 0, nbPolyhedronNodes = 0, nbPolyhedronFaces = 0;
535
536     // collect info on all geom types
537
538     list< TElemTypeData > aTElemTypeDatas;
539
540     EEntiteMaillage anEntity = eMAILLE;
541 #ifdef _ELEMENTS_BY_DIM_
542     anEntity = eNOEUD_ELEMENT;
543 #endif
544     aTElemTypeDatas.push_back(TElemTypeData(anEntity,
545                                             ePOINT1,
546                                             nbElemInfo.Nb0DElements(),
547                                             SMDSAbs_0DElement));
548 #ifdef _ELEMENTS_BY_DIM_
549     anEntity = eARETE;
550 #endif
551     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
552                                             eSEG2,
553                                             nbElemInfo.NbEdges( ORDER_LINEAR ),
554                                             SMDSAbs_Edge));
555     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
556                                             eSEG3,
557                                             nbElemInfo.NbEdges( ORDER_QUADRATIC ),
558                                             SMDSAbs_Edge));
559 #ifdef _ELEMENTS_BY_DIM_
560     anEntity = eFACE;
561 #endif
562     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
563                                             eTRIA3,
564                                             nbElemInfo.NbTriangles( ORDER_LINEAR ),
565                                             SMDSAbs_Face));
566     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
567                                             eTRIA6,
568                                             nbElemInfo.NbTriangles( ORDER_QUADRATIC ),
569                                             SMDSAbs_Face));
570     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
571                                             eQUAD4,
572                                             nbElemInfo.NbQuadrangles( ORDER_LINEAR ),
573                                             SMDSAbs_Face));
574     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
575                                             eQUAD8,
576                                             nbElemInfo.NbQuadrangles( ORDER_QUADRATIC ),
577                                             SMDSAbs_Face));
578     if ( polyTypesSupported ) {
579       aTElemTypeDatas.push_back( TElemTypeData(anEntity,
580                                                ePOLYGONE,
581                                                nbElemInfo.NbPolygons(),
582                                                SMDSAbs_Face));
583       // we need one more loop on poly elements to count nb of their nodes
584       aTElemTypeDatas.push_back( TElemTypeData(anEntity,
585                                                ePOLYGONE,
586                                                nbElemInfo.NbPolygons(),
587                                                SMDSAbs_Face));
588     }
589 #ifdef _ELEMENTS_BY_DIM_
590     anEntity = eMAILLE;
591 #endif
592     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
593                                             eTETRA4,
594                                             nbElemInfo.NbTetras( ORDER_LINEAR ),
595                                             SMDSAbs_Volume));
596     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
597                                             eTETRA10,
598                                             nbElemInfo.NbTetras( ORDER_QUADRATIC ),
599                                             SMDSAbs_Volume));
600     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
601                                             ePYRA5,
602                                             nbElemInfo.NbPyramids( ORDER_LINEAR ),
603                                             SMDSAbs_Volume));
604     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
605                                             ePYRA13,
606                                             nbElemInfo.NbPyramids( ORDER_QUADRATIC ),
607                                             SMDSAbs_Volume));
608     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
609                                             ePENTA6,
610                                             nbElemInfo.NbPrisms( ORDER_LINEAR ),
611                                             SMDSAbs_Volume));
612     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
613                                              ePENTA15,
614                                              nbElemInfo.NbPrisms( ORDER_QUADRATIC ),
615                                              SMDSAbs_Volume));
616     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
617                                              eHEXA8,
618                                              nbElemInfo.NbHexas( ORDER_LINEAR ),
619                                              SMDSAbs_Volume));
620     aTElemTypeDatas.push_back( TElemTypeData(anEntity,
621                                              eHEXA20,
622                                              nbElemInfo.NbHexas( ORDER_QUADRATIC ),
623                                              SMDSAbs_Volume));
624     if ( polyTypesSupported ) {
625       aTElemTypeDatas.push_back( TElemTypeData(anEntity,
626                                                ePOLYEDRE,
627                                                nbElemInfo.NbPolyhedrons(),
628                                                SMDSAbs_Volume));
629       // we need one more loop on poly elements to count nb of their nodes
630       aTElemTypeDatas.push_back( TElemTypeData(anEntity,
631                                                ePOLYEDRE,
632                                                nbElemInfo.NbPolyhedrons(),
633                                                SMDSAbs_Volume));
634     }
635
636     vector< bool > isElemFamMapBuilt( SMDSAbs_NbElementTypes, false );
637
638     // loop on all geom types of elements
639
640     list< TElemTypeData >::iterator aElemTypeData = aTElemTypeDatas.begin();
641     for ( ; aElemTypeData != aTElemTypeDatas.end(); ++aElemTypeData )
642     {
643       if ( aElemTypeData->_nbElems == 0 )
644         continue;
645
646       // iterator on elements of a current type
647       PElemIterator elemIterator;
648       int defaultFamilyId = 0;
649       switch ( aElemTypeData->_smdsType ) {
650       case SMDSAbs_0DElement:
651         elemIterator = PElemIterator( new T0DElementIterator( myMesh->elements0dIterator() ));
652         defaultFamilyId = my0DElementsDefaultFamilyId;
653         break;
654       case SMDSAbs_Edge:
655         elemIterator = PElemIterator( new TEdgeIterator( myMesh->edgesIterator() ));
656         defaultFamilyId = myEdgesDefaultFamilyId;
657         break;
658       case SMDSAbs_Face:
659         elemIterator = PElemIterator( new TFaceIterator( myMesh->facesIterator() ));
660         defaultFamilyId = myFacesDefaultFamilyId;
661         break;
662       case SMDSAbs_Volume:
663         elemIterator = PElemIterator( new TVolumeIterator( myMesh->volumesIterator() ));
664         defaultFamilyId = myVolumesDefaultFamilyId;
665         break;
666       default:
667         continue;
668       }
669       int iElem = 0;
670
671       //cout << " Treat type " << aElemTypeData->_geomType << " nb = " <<aElemTypeData->_nbElems<< endl;
672       // Treat POLYGONs
673       // ---------------
674       if ( aElemTypeData->_geomType == ePOLYGONE )
675       {
676         if ( nbPolygonNodes == 0 ) {
677           // Count nb of nodes
678           while ( const SMDS_MeshElement* anElem = elemIterator->next() ) {
679             if ( anElem->IsPoly() ) {
680               nbPolygonNodes += anElem->NbNodes();
681               if ( ++iElem == aElemTypeData->_nbElems )
682                 break;
683             }
684           }
685         }
686         else {
687           // Store in med file
688           PPolygoneInfo aPolygoneInfo = myMed->CrPolygoneInfo(aMeshInfo,
689                                                               aElemTypeData->_entity,
690                                                               aElemTypeData->_geomType,
691                                                               aElemTypeData->_nbElems,
692                                                               nbPolygonNodes,
693                                                               theConnMode, theIsElemNum,
694                                                               theIsElemNames);
695           TElemNum & index = *(aPolygoneInfo->myIndex.get());
696           index[0] = 1;
697
698           while ( const SMDS_MeshElement* anElem = elemIterator->next() )
699           {
700             if ( !anElem->IsPoly() )
701               continue;
702
703             // index
704             TInt aNbNodes = anElem->NbNodes();
705             index[ iElem+1 ] = index[ iElem ] + aNbNodes;
706
707             // connectivity
708             TConnSlice aTConnSlice = aPolygoneInfo->GetConnSlice( iElem );
709             for(TInt iNode = 0; iNode < aNbNodes; iNode++) {
710               const SMDS_MeshElement* aNode = anElem->GetNode( iNode );
711 #ifdef _EDF_NODE_IDS_
712               aTConnSlice[ iNode ] = aNodeIdMap[aNode->GetID()];
713 #else
714               aTConnSlice[ iNode ] = aNode->GetID();
715 #endif
716             }
717             // element number
718             aPolygoneInfo->SetElemNum( iElem, anElem->GetID() );
719
720             // family number
721             int famNum = getFamilyId( anElemFamMap, anElem, defaultFamilyId );
722             aPolygoneInfo->SetFamNum( iElem, famNum );
723
724             if ( ++iElem == aPolygoneInfo->GetNbElem() )
725               break;
726           }
727           //       if(TInt aNbElems = aPolygoneElemNums.size())
728           //         // add one element in connectivities,
729           //         // referenced by the last element in indices
730           //         aPolygoneConn.push_back(0);
731           //cout << " SetPolygoneInfo(aPolygoneInfo)" << endl;
732           myMed->SetPolygoneInfo(aPolygoneInfo);
733         }
734
735       } 
736
737       // Treat POLYEDREs
738       // ----------------
739       else if (aElemTypeData->_geomType == ePOLYEDRE )
740       {
741         if ( nbPolyhedronNodes == 0 ) {
742           // Count nb of nodes
743           while ( const SMDS_MeshElement* anElem = elemIterator->next() ) {
744             const SMDS_PolyhedralVolumeOfNodes* aPolyedre =
745               dynamic_cast<const SMDS_PolyhedralVolumeOfNodes*>( anElem );
746             if ( aPolyedre ) {
747               nbPolyhedronNodes += aPolyedre->NbNodes();
748               nbPolyhedronFaces += aPolyedre->NbFaces();
749               if ( ++iElem == aElemTypeData->_nbElems )
750                 break;
751             }
752           }
753         }
754         else {
755           // Store in med file
756           PPolyedreInfo aPolyhInfo = myMed->CrPolyedreInfo(aMeshInfo,
757                                                            aElemTypeData->_entity,
758                                                            aElemTypeData->_geomType,
759                                                            aElemTypeData->_nbElems,
760                                                            nbPolyhedronFaces+1,
761                                                            nbPolyhedronNodes,
762                                                            theConnMode,
763                                                            theIsElemNum,
764                                                            theIsElemNames);
765           TElemNum & index = *(aPolyhInfo->myIndex.get());
766           TElemNum & faces = *(aPolyhInfo->myFaces.get());
767           TElemNum & conn  = *(aPolyhInfo->myConn.get());
768           index[0] = 1;
769           faces[0] = 1;
770
771           TInt iFace = 0, iNode = 0;
772           while ( const SMDS_MeshElement* anElem = elemIterator->next() )
773           {
774             const SMDS_PolyhedralVolumeOfNodes* aPolyedre =
775               dynamic_cast<const SMDS_PolyhedralVolumeOfNodes*>( anElem );
776             if ( !aPolyedre )
777               continue;
778
779             // index
780             TInt aNbFaces = aPolyedre->NbFaces();
781             index[ iElem+1 ] = index[ iElem ] + aNbFaces;
782
783             // face index
784             for (TInt f = 1; f <= aNbFaces; ++f, ++iFace ) {
785               int aNbFaceNodes = aPolyedre->NbFaceNodes( f );
786               faces[ iFace+1 ] = faces[ iFace ] + aNbFaceNodes;
787             }
788             // connectivity
789             SMDS_ElemIteratorPtr nodeIt = anElem->nodesIterator();
790             while ( nodeIt->more() ) {
791               const SMDS_MeshElement* aNode = nodeIt->next();
792 #ifdef _EDF_NODE_IDS_
793               conn[ iNode ] = aNodeIdMap[aNode->GetID()];
794 #else
795               conn[ iNode ] = aNode->GetID();
796 #endif
797               ++iNode;
798             }
799             // element number
800             aPolyhInfo->SetElemNum( iElem, anElem->GetID() );
801
802             // family number
803             int famNum = getFamilyId( anElemFamMap, anElem, defaultFamilyId );
804             aPolyhInfo->SetFamNum( iElem, famNum );
805
806             if ( ++iElem == aPolyhInfo->GetNbElem() )
807               break;
808           }
809           //cout << " SetPolyedreInfo(aPolyhInfo )" << endl;
810           myMed->SetPolyedreInfo(aPolyhInfo);
811         }
812       } // if (aElemTypeData->_geomType == ePOLYEDRE )
813
814       else
815       {
816         // Treat standard types
817         // ---------------------
818
819         // allocate data arrays
820         PCellInfo aCellInfo = myMed->CrCellInfo( aMeshInfo,
821                                                  aElemTypeData->_entity,
822                                                  aElemTypeData->_geomType,
823                                                  aElemTypeData->_nbElems,
824                                                  theConnMode,
825                                                  theIsElemNum,
826                                                  theIsElemNames);
827         // build map of family numbers for this type
828         if ( !isElemFamMapBuilt[ aElemTypeData->_smdsType ])
829         {
830           //cout << " fillElemFamilyMap()" << endl;
831           fillElemFamilyMap( anElemFamMap, aFamilies, aElemTypeData->_smdsType );
832           isElemFamMapBuilt[ aElemTypeData->_smdsType ] = true;
833         }
834
835         TInt aNbNodes = MED::GetNbNodes(aElemTypeData->_geomType);
836         while ( const SMDS_MeshElement* anElem = elemIterator->next() )
837         {
838           if ( anElem->NbNodes() != aNbNodes || anElem->IsPoly() )
839             continue; // other geometry
840
841           // connectivity
842           TConnSlice aTConnSlice = aCellInfo->GetConnSlice( iElem );
843           for (TInt iNode = 0; iNode < aNbNodes; iNode++) {
844             const SMDS_MeshElement* aNode = anElem->GetNode( iNode );
845 #ifdef _EDF_NODE_IDS_
846             aTConnSlice[ iNode ] = aNodeIdMap[aNode->GetID()];
847 #else
848             aTConnSlice[ iNode ] = aNode->GetID();
849 #endif
850           }
851           // element number
852           aCellInfo->SetElemNum( iElem, anElem->GetID() );
853
854           // family number
855           int famNum = getFamilyId( anElemFamMap, anElem, defaultFamilyId );
856           aCellInfo->SetFamNum( iElem, famNum );
857
858           if ( ++iElem == aCellInfo->GetNbElem() )
859             break;
860         }
861         // store data in a file
862         //cout << " SetCellInfo(aCellInfo)" << endl;
863         myMed->SetCellInfo(aCellInfo);
864       }
865
866     } // loop on geom types
867
868
869   }
870   catch(const std::exception& exc) {
871     INFOS("Follow exception was cought:\n\t"<<exc.what());
872     throw;
873   }
874   catch(...) {
875     INFOS("Unknown exception was cought !!!");
876     throw;
877   }
878
879   myMeshId = -1;
880   myGroups.clear();
881   mySubMeshes.clear();
882   return aResult;
883 }