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[tools/medcoupling.git] / src / MEDLoader / MEDFileFieldOverView.cxx
index c6bc51e1abb26fc74518ddbb886e58ea793a895c..f0177647dfe524d6c1fdb090ffc2567e87f47e19 100644 (file)
@@ -207,6 +207,24 @@ std::string MEDMeshMultiLev::getPflNameOfId(int id) const
   return pfl->getName();
 }
 
+/*!
+ * Returns the number of cells having geometric type \a t.
+ * The profiles are **NOT** taken into account here.
+ */
+int MEDMeshMultiLev::getNumberOfCells(INTERP_KERNEL::NormalizedCellType t) const throw(INTERP_KERNEL::Exception)
+{
+  std::size_t sz(_nb_entities.size());
+  for(std::size_t i=0;i<sz;i++)
+    if(_geo_types[i]==t)
+        return _nb_entities[i];
+  throw INTERP_KERNEL::Exception("MEDMeshMultiLev::getNumberOfCells : not existing geometric type in this !");
+}
+
+int MEDMeshMultiLev::getNumberOfNodes() const throw(INTERP_KERNEL::Exception)
+{
+  return _nb_nodes;
+}
+
 DataArray *MEDMeshMultiLev::constructDataArray(const MEDFileField1TSStructItem& fst, const MEDFileFieldGlobsReal *globs, const DataArray *vals) const throw(INTERP_KERNEL::Exception)
 {
   if(fst.getType()==ON_NODES)
@@ -236,7 +254,7 @@ DataArray *MEDMeshMultiLev::constructDataArray(const MEDFileField1TSStructItem&
         {
           MEDCouplingAutoRefCountObjectPtr<DataArrayInt> p1(globs->getProfile(pflName.c_str())->deepCpy());
           p1->sort(true);
-          if(!p1->isIdentity() || p1->getNumberOfTuples()!=p.getNbEntity())
+          if(!p1->isIdentity() || p1->getNumberOfTuples()!=getNumberOfNodes())
             throw INTERP_KERNEL::Exception("MEDMeshMultiLev::constructDataArray : unexpected situation for nodes 4 !");
           MEDCouplingAutoRefCountObjectPtr<DataArray> ret(vals->deepCpy());
           ret->renumberInPlace(globs->getProfile(pflName.c_str())->begin());
@@ -247,58 +265,108 @@ DataArray *MEDMeshMultiLev::constructDataArray(const MEDFileField1TSStructItem&
   else
     {
       std::size_t sz(fst.getNumberOfItems());
-      std::vector< MEDCouplingAutoRefCountObjectPtr<DataArray> > arrSafe(sz);
-      std::vector< const DataArray *> arr(sz);
-      for(std::size_t i=0;i<sz;i++)
+      std::set<INTERP_KERNEL::NormalizedCellType> s(_geo_types.begin(),_geo_types.end());
+      if(s.size()!=_geo_types.size())
+        throw INTERP_KERNEL::Exception("MEDMeshMultiLev::constructDataArray : unexpected situation for cells 2 !");
+      std::vector< const DataArray *> arr(s.size());
+      std::vector< MEDCouplingAutoRefCountObjectPtr<DataArray> > arrSafe(s.size());
+      int iii(0);
+      int nc(vals->getNumberOfComponents());
+      std::vector<std::string> compInfo(vals->getInfoOnComponents());
+      for(std::vector< INTERP_KERNEL::NormalizedCellType >::const_iterator it=_geo_types.begin();it!=_geo_types.end();it++,iii++)
         {
-          const MEDFileField1TSStructItem2& p(fst[i]);
-          const std::pair<int,int>& strtStop(p.getStartStop());
-          std::vector< INTERP_KERNEL::NormalizedCellType >::const_iterator it(std::find(_geo_types.begin(),_geo_types.end(),p.getGeo()));
-          if(it==_geo_types.end())
-            throw INTERP_KERNEL::Exception("MEDMeshMultiLev::constructDataArray : unexpected situation for cells 1 !");
-          if(std::find(it+1,_geo_types.end(),p.getGeo())!=_geo_types.end())
-            throw INTERP_KERNEL::Exception("MEDMeshMultiLev::constructDataArray : unexpected situation for cells 2 !");
-          std::size_t pos(std::distance(_geo_types.begin(),it));
-          const DataArrayInt *thisP(_pfls[pos]),*otherP(p.getPfl(globs));
-          MEDCouplingAutoRefCountObjectPtr<DataArray> ret(vals->selectByTupleId2(strtStop.first,strtStop.second,1));
-          if(!thisP && !otherP)
+          const DataArrayInt *thisP(_pfls[iii]);
+          std::vector<const MEDFileField1TSStructItem2 *> ps;
+          for(std::size_t i=0;i<sz;i++)
             {
-              arrSafe[i]=ret; arr[i]=ret;
-              continue;
-            }
-          int nbi(p.getNbOfIntegrationPts(globs)),nc(ret->getNumberOfComponents());
-          if(!thisP && otherP)
-            {
-              MEDCouplingAutoRefCountObjectPtr<DataArrayInt> p1(otherP->deepCpy());
-              p1->sort(true);
-              if(!p1->isIdentity() || p1->getNumberOfTuples()!=p.getNbEntity())
-                throw INTERP_KERNEL::Exception("MEDMeshMultiLev::constructDataArray : unexpected situation for cells 3 !");
-              ret->rearrange(nbi*nc); ret->renumberInPlace(otherP->begin()); ret->rearrange(nc);
-              arrSafe[i]=ret; arr[i]=ret;
-              continue;
+              const MEDFileField1TSStructItem2& p(fst[i]);
+              if(p.getGeo()==*it)
+                ps.push_back(&p);
             }
-          if(thisP && otherP)
+          if(ps.empty())
+            throw INTERP_KERNEL::Exception("MEDMeshMultiLev::constructDataArray : unexpected situation for cells 1 !");
+          if(ps.size()==1)
             {
-              MEDCouplingAutoRefCountObjectPtr<DataArrayInt> p1(otherP->deepCpy());
-              MEDCouplingAutoRefCountObjectPtr<DataArrayInt> p2(thisP->deepCpy());
-              p1->sort(true); p2->sort(true);
-              if(!p1->isEqualWithoutConsideringStr(*p2))
-                throw INTERP_KERNEL::Exception("MEDMeshMultiLev::constructDataArray : unexpected situation for cells 4 !");
-              p1=DataArrayInt::FindPermutationFromFirstToSecond(otherP,thisP);
-              ret->rearrange(nbi*nc); ret->renumberInPlace(p1->begin()); ret->rearrange(nc);
-              continue;
+              int nbi(ps[0]->getNbOfIntegrationPts(globs));
+              const DataArrayInt *otherP(ps[0]->getPfl(globs));
+              const std::pair<int,int>& strtStop(ps[0]->getStartStop());
+              MEDCouplingAutoRefCountObjectPtr<DataArray> ret(vals->selectByTupleId2(strtStop.first,strtStop.second,1));
+              if(!thisP && !otherP)
+                {
+                  arrSafe[iii]=ret; arr[iii]=ret;
+                  continue;
+                }
+              if(thisP && otherP)
+                {
+                  MEDCouplingAutoRefCountObjectPtr<DataArrayInt> p1(otherP->invertArrayN2O2O2N(getNumberOfCells(ps[0]->getGeo())));
+                  MEDCouplingAutoRefCountObjectPtr<DataArrayInt> p2(thisP->deepCpy());
+                  p2->transformWithIndArr(p1->begin(),p1->end());
+                  //p1=p2->getIdsNotEqual(-1);
+                  //p1=p2->selectByTupleIdSafe(p1->begin(),p1->end());
+                  ret->rearrange(nbi*nc); ret=ret->selectByTupleIdSafe(p2->begin(),p2->end()); ret->rearrange(nc); ret->setInfoOnComponents(compInfo);
+                  arrSafe[iii]=ret; arr[iii]=ret;
+                  continue;
+                }
+              if(!thisP && otherP)
+                {
+                  MEDCouplingAutoRefCountObjectPtr<DataArrayInt> p1(otherP->deepCpy());
+                  p1->sort(true);
+                  p1->checkAllIdsInRange(0,getNumberOfCells(ps[0]->getGeo()));
+                  p1=DataArrayInt::FindPermutationFromFirstToSecond(otherP,p1);
+                  ret->rearrange(nbi*nc); ret->renumberInPlace(p1->begin()); ret->rearrange(nc); ret->setInfoOnComponents(compInfo);
+                  arrSafe[iii]=ret; arr[iii]=ret;
+                  continue;
+                }
+              throw INTERP_KERNEL::Exception("MEDMeshMultiLev::constructDataArray : unexpected situation for cells 3 !");
             }
-          if(thisP && !otherP)
+          else
             {
-              MEDCouplingAutoRefCountObjectPtr<DataArrayInt> p1(thisP->deepCpy());
-              p1->sort(true);
-              if(!p1->isIdentity() || p1->getNumberOfTuples()!=p.getNbEntity())
-                throw INTERP_KERNEL::Exception("MEDMeshMultiLev::constructDataArray : unexpected situation for cells 3 !");
-              ret->rearrange(nbi*nc); ret->renumberInPlaceR(otherP->begin()); ret->rearrange(nc);
-              arrSafe[i]=ret; arr[i]=ret;
+              std::vector< const DataArrayInt * >otherPS(ps.size());
+              std::vector< const DataArray * > arr2(ps.size());
+              std::vector< MEDCouplingAutoRefCountObjectPtr<DataArray> > arr2Safe(ps.size());
+              std::vector< const DataArrayInt * > nbis(ps.size());
+              std::vector< MEDCouplingAutoRefCountObjectPtr<DataArrayInt> > nbisSafe(ps.size());
+              int jj(0);
+              for(std::vector<const MEDFileField1TSStructItem2 *>::const_iterator it2=ps.begin();it2!=ps.end();it2++,jj++)
+                {
+                  int nbi((*it2)->getNbOfIntegrationPts(globs));
+                  const DataArrayInt *otherPfl((*it2)->getPfl(globs));
+                  const std::pair<int,int>& strtStop((*it2)->getStartStop());
+                  MEDCouplingAutoRefCountObjectPtr<DataArray> ret2(vals->selectByTupleId2(strtStop.first,strtStop.second,1));
+                  if(!otherPfl)
+                    throw INTERP_KERNEL::Exception("MEDMeshMultiLev::constructDataArray : unexpected situation for cells 4 !");
+                  arr2[jj]=ret2; arr2Safe[jj]=ret2; otherPS[jj]=otherPfl;
+                  nbisSafe[jj]=DataArrayInt::New(); nbisSafe[jj]->alloc(otherPfl->getNumberOfTuples(),1); nbisSafe[jj]->fillWithValue(nbi);
+                  nbis[jj]=nbisSafe[jj];
+                }
+              MEDCouplingAutoRefCountObjectPtr<DataArray> arr3(DataArray::Aggregate(arr2));
+              MEDCouplingAutoRefCountObjectPtr<DataArrayInt> otherP(DataArrayInt::Aggregate(otherPS));
+              MEDCouplingAutoRefCountObjectPtr<DataArrayInt> zenbis(DataArrayInt::Aggregate(nbis));
+              MEDCouplingAutoRefCountObjectPtr<DataArrayInt> otherPN(otherP->invertArrayN2O2O2N(getNumberOfCells(*it)));
+              MEDCouplingAutoRefCountObjectPtr<DataArrayInt> p1;
+              if(thisP)
+                p1=DataArrayInt::FindPermutationFromFirstToSecond(otherP,thisP);
+              else
+                p1=otherP->deepCpy();
+              MEDCouplingAutoRefCountObjectPtr<DataArrayInt> zenbisN(zenbis->renumber(p1->begin()));
+              zenbisN->computeOffsets2();
+              jj=0;
+              for(std::vector<const MEDFileField1TSStructItem2 *>::const_iterator it2=ps.begin();it2!=ps.end();it2++,jj++)
+                {
+                  int nbi((*it2)->getNbOfIntegrationPts(globs));
+                  const DataArrayInt *otherPfl((*it2)->getPfl(globs));
+                  const std::pair<int,int>& strtStop((*it2)->getStartStop());
+                  MEDCouplingAutoRefCountObjectPtr<DataArray> ret2(vals->selectByTupleId2(strtStop.first,strtStop.second,1));
+                  //
+                  MEDCouplingAutoRefCountObjectPtr<DataArrayInt> p2(otherPfl->deepCpy());
+                  p2->transformWithIndArr(otherPN->begin(),otherPN->end());
+                  p2->transformWithIndArr(p1->begin(),p1->end());
+                  MEDCouplingAutoRefCountObjectPtr<DataArrayInt> idsN(p2->buildExplicitArrByRanges(zenbisN));
+                  arr3->setPartOfValuesBase3(ret2,idsN->begin(),idsN->end(),0,nc,1);
+                }
+              arrSafe[iii]=arr3; arr[iii]=arr3;
               continue;
             }
-          throw INTERP_KERNEL::Exception("MEDMeshMultiLev::constructDataArray : unexpected situation for cells 6 !");
         }
       return DataArray::Aggregate(arr);
     }
@@ -308,7 +376,7 @@ MEDMeshMultiLev::MEDMeshMultiLev()
 {
 }
 
-MEDMeshMultiLev::MEDMeshMultiLev(const std::vector<INTERP_KERNEL::NormalizedCellType>& gts, const std::vector<const DataArrayInt *>& pfls, const std::vector<int>& nbEntities):_geo_types(gts),_nb_entities(nbEntities)
+MEDMeshMultiLev::MEDMeshMultiLev(int nbNodes, const std::vector<INTERP_KERNEL::NormalizedCellType>& gts, const std::vector<const DataArrayInt *>& pfls, const std::vector<int>& nbEntities):_geo_types(gts),_nb_entities(nbEntities),_nb_nodes(nbNodes)
 {
   std::size_t sz(_geo_types.size());
   if(sz!=pfls.size() || sz!=nbEntities.size())
@@ -322,7 +390,7 @@ MEDMeshMultiLev::MEDMeshMultiLev(const std::vector<INTERP_KERNEL::NormalizedCell
     }
 }
 
-MEDMeshMultiLev::MEDMeshMultiLev(const MEDMeshMultiLev& other):_pfls(other._pfls),_geo_types(other._geo_types),_nb_entities(other._nb_entities),_node_reduction(other._node_reduction)
+MEDMeshMultiLev::MEDMeshMultiLev(const MEDMeshMultiLev& other):_pfls(other._pfls),_geo_types(other._geo_types),_nb_entities(other._nb_entities),_node_reduction(other._node_reduction),_nb_nodes(other._nb_nodes)
 {
 }
 
@@ -364,7 +432,7 @@ MEDUMeshMultiLev *MEDUMeshMultiLev::New(const MEDFileUMesh *m, const std::vector
   return new MEDUMeshMultiLev(m,gts,pfls,nbEntities);
 }
 
-MEDUMeshMultiLev::MEDUMeshMultiLev(const MEDFileUMesh *m, const std::vector<INTERP_KERNEL::NormalizedCellType>& gts, const std::vector<const DataArrayInt *>& pfls, const std::vector<int>& nbEntities):MEDMeshMultiLev(gts,pfls,nbEntities)
+MEDUMeshMultiLev::MEDUMeshMultiLev(const MEDFileUMesh *m, const std::vector<INTERP_KERNEL::NormalizedCellType>& gts, const std::vector<const DataArrayInt *>& pfls, const std::vector<int>& nbEntities):MEDMeshMultiLev(m->getNumberOfNodes(),gts,pfls,nbEntities)
 {
   std::size_t sz(gts.size());
   _parts.resize(sz);
@@ -396,7 +464,8 @@ void MEDUMeshMultiLev::selectPartOfNodes(const DataArrayInt *pflNodes) throw(INT
        MEDCouplingAutoRefCountObjectPtr<DataArrayInt> cellIdsSafe(cellIds);
        MEDCouplingAutoRefCountObjectPtr<MEDCouplingPointSet> m2(m->buildPartOfMySelfKeepCoords(cellIds->begin(),cellIds->end()));
        int tmp=-1;
-       a[i]=m2->getNodeIdsInUse(tmp); aa[i]=a[i];
+       MEDCouplingAutoRefCountObjectPtr<DataArrayInt> o2n(m2->getNodeIdsInUse(tmp));
+       a[i]=o2n->invertArrayO2N2N2O(tmp); aa[i]=a[i];
        if(pfl)
          _pfls[i]=pfl->selectByTupleIdSafe(cellIds->begin(),cellIds->end());
        else
@@ -420,6 +489,9 @@ MEDUMeshMultiLev::MEDUMeshMultiLev(const MEDStructuredMeshMultiLev& other, const
 {
   _parts.resize(1);
   _parts[0]=part;
+  _geo_types.resize(1); _geo_types[0]=part->getCellModelEnum();
+  _nb_entities.resize(1); _nb_entities[0]=part->getNumberOfCells();
+  _pfls.resize(1); _pfls[0]=0;
 }
 
 void MEDUMeshMultiLev::buildVTUArrays(DataArrayDouble *& coords, DataArrayByte *&types, DataArrayInt *&cellLocations, DataArrayInt *& cells, DataArrayInt *&faceLocations, DataArrayInt *&faces) const throw(INTERP_KERNEL::Exception)
@@ -434,21 +506,30 @@ void MEDUMeshMultiLev::buildVTUArrays(DataArrayDouble *& coords, DataArrayByte *
   MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> a(const_cast<DataArrayDouble *>(tmp)); tmp->incrRef();
   int szBCE(0),szD(0),szF(0);
   bool isPolyh(false);
-  for(std::vector< MEDCouplingAutoRefCountObjectPtr<MEDCoupling1GTUMesh> >::const_iterator it=_parts.begin();it!=_parts.end();it++)
+  int iii(0);
+  for(std::vector< MEDCouplingAutoRefCountObjectPtr<MEDCoupling1GTUMesh> >::const_iterator it=_parts.begin();it!=_parts.end();it++,iii++)
     {
       const MEDCoupling1GTUMesh *cur(*it);
       if(!cur)
         throw INTERP_KERNEL::Exception("MEDUMeshMultiLev::getVTUArrays : a part is null !");
+      //
+      const DataArrayInt *pfl(_pfls[iii]);
+      MEDCouplingAutoRefCountObjectPtr<MEDCoupling1GTUMesh> cur2;
+      if(!pfl)
+        { cur2=const_cast<MEDCoupling1GTUMesh *>(cur); cur2->incrRef(); }
+      else
+        { cur2=dynamic_cast<MEDCoupling1GTUMesh *>(cur->buildPartOfMySelfKeepCoords(pfl->begin(),pfl->end())); cur=cur2; }
+      //
       int curNbCells(cur->getNumberOfCells());
       szBCE+=curNbCells;
       if((*it)->getCellModelEnum()!=INTERP_KERNEL::NORM_POLYHED)
-        szD+=(*it)->getNodalConnectivity()->getNumberOfTuples()+curNbCells;
+        szD+=cur->getNodalConnectivity()->getNumberOfTuples()+curNbCells;
       else
         {
           isPolyh=true;
-          MEDCouplingAutoRefCountObjectPtr<DataArrayInt> tmp((*it)->computeEffectiveNbOfNodesPerCell());
+          MEDCouplingAutoRefCountObjectPtr<DataArrayInt> tmp(cur->computeEffectiveNbOfNodesPerCell());
           szD+=tmp->accumulate(0)+curNbCells;
-          szF+=2*curNbCells+(*it)->getNodalConnectivity()->getNumberOfTuples();
+          szF+=2*curNbCells+cur->getNodalConnectivity()->getNumberOfTuples();
         }
     }
   MEDCouplingAutoRefCountObjectPtr<DataArrayByte> b(DataArrayByte::New()); b->alloc(szBCE,1); char *bPtr(b->getPointer());
@@ -458,9 +539,18 @@ void MEDUMeshMultiLev::buildVTUArrays(DataArrayDouble *& coords, DataArrayByte *
   if(isPolyh)
     { e->alloc(szBCE,1); ePtr=e->getPointer(); f->alloc(szF,1); fPtr=f->getPointer(); }
   int k(0);
-  for(std::vector< MEDCouplingAutoRefCountObjectPtr<MEDCoupling1GTUMesh> >::const_iterator it=_parts.begin();it!=_parts.end();it++)
+  iii=0;
+  for(std::vector< MEDCouplingAutoRefCountObjectPtr<MEDCoupling1GTUMesh> >::const_iterator it=_parts.begin();it!=_parts.end();it++,iii++)
     {
       const MEDCoupling1GTUMesh *cur(*it);
+      //
+      const DataArrayInt *pfl(_pfls[iii]);
+      MEDCouplingAutoRefCountObjectPtr<MEDCoupling1GTUMesh> cur2;
+      if(!pfl)
+        { cur2=const_cast<MEDCoupling1GTUMesh *>(cur); cur2->incrRef(); }
+      else
+        { cur2=dynamic_cast<MEDCoupling1GTUMesh *>(cur->buildPartOfMySelfKeepCoords(pfl->begin(),pfl->end())); cur=cur2; }
+      //
       int curNbCells(cur->getNumberOfCells());
       int gt((int)cur->getCellModelEnum());
       if(gt<0 || gt>=PARAMEDMEM_2_VTKTYPE_LGTH)
@@ -502,7 +592,7 @@ void MEDUMeshMultiLev::buildVTUArrays(DataArrayDouble *& coords, DataArrayByte *
             {
               for(int i=0;i<curNbCells;i++,connIPtr++)
                 {
-                  std::set<int> s(connPtr+connIPtr[0],connPtr+connIPtr[1]);
+                  std::set<int> s(connPtr+connIPtr[0],connPtr+connIPtr[1]); s.erase(-1);
                   *dPtr++=(int)s.size();
                   dPtr=std::copy(s.begin(),s.end(),dPtr);
                   *cPtr=k+(int)s.size(); k=*cPtr++;
@@ -528,7 +618,7 @@ void MEDUMeshMultiLev::buildVTUArrays(DataArrayDouble *& coords, DataArrayByte *
                           fPtr=std::copy(work,work2,fPtr);
                           work=work2+1;
                         }
-                      *ePtr=kk; kk+=connIPtr[1]-connIPtr[0]+2;
+                      *ePtr++=kk; kk+=connIPtr[1]-connIPtr[0]+2;
                     }
                 }
             }
@@ -545,7 +635,7 @@ void MEDUMeshMultiLev::buildVTUArrays(DataArrayDouble *& coords, DataArrayByte *
     { faceLocations=e.retn(); faces=f.retn(); }
 }
 
-void MEDUMeshMultiLev::reorderNodesIfNecessary(DataArrayDouble *coords, DataArrayInt *nodalConnVTK, DataArrayInt *polyhedNodalConnVTK) const throw(INTERP_KERNEL::Exception)
+void MEDUMeshMultiLev::reorderNodesIfNecessary(MEDCouplingAutoRefCountObjectPtr<DataArrayDouble>& coords, DataArrayInt *nodalConnVTK, DataArrayInt *polyhedNodalConnVTK) const throw(INTERP_KERNEL::Exception)
 {
   const DataArrayInt *nr(_node_reduction);
   if(!nr)
@@ -617,8 +707,7 @@ void MEDUMeshMultiLev::reorderNodesIfNecessary(DataArrayDouble *coords, DataArra
             }
         }
     }
-  MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> coo(coords->selectByTupleIdSafe(nr->begin(),nr->end()));
-  coords->cpyFrom(*coo);
+  coords=(coords->selectByTupleIdSafe(nr->begin(),nr->end()));
 }
 
 //=
@@ -627,7 +716,7 @@ MEDStructuredMeshMultiLev::MEDStructuredMeshMultiLev()
 {
 }
 
-MEDStructuredMeshMultiLev::MEDStructuredMeshMultiLev(const std::vector<INTERP_KERNEL::NormalizedCellType>& gts, const std::vector<const DataArrayInt *>& pfls, const std::vector<int>& nbEntities):MEDMeshMultiLev(gts,pfls,nbEntities)
+MEDStructuredMeshMultiLev::MEDStructuredMeshMultiLev(int nbOfNodes, const std::vector<INTERP_KERNEL::NormalizedCellType>& gts, const std::vector<const DataArrayInt *>& pfls, const std::vector<int>& nbEntities):MEDMeshMultiLev(nbOfNodes,gts,pfls,nbEntities)
 {
 }
 
@@ -689,14 +778,15 @@ MEDCMeshMultiLev::MEDCMeshMultiLev(const MEDFileCMesh *m, const std::vector<int>
     }
 }
 
-MEDCMeshMultiLev::MEDCMeshMultiLev(const MEDFileCMesh *m, const std::vector<INTERP_KERNEL::NormalizedCellType>& gts, const std::vector<const DataArrayInt *>& pfls, const std::vector<int>& nbEntities):MEDStructuredMeshMultiLev(gts,pfls,nbEntities)
+MEDCMeshMultiLev::MEDCMeshMultiLev(const MEDFileCMesh *m, const std::vector<INTERP_KERNEL::NormalizedCellType>& gts, const std::vector<const DataArrayInt *>& pfls, const std::vector<int>& nbEntities):MEDStructuredMeshMultiLev(m->getNumberOfNodes(),gts,pfls,nbEntities)
 {
   if(!m)
     throw INTERP_KERNEL::Exception("MEDCMeshMultiLev constructor 2 : null input pointer !");
   if(gts.size()!=1 || pfls.size()!=1)
     throw INTERP_KERNEL::Exception("MEDCMeshMultiLev constructor 2 : lengthes of gts and pfls must be equal to one !");
-  int mdim(MEDCouplingStructuredMesh::GetGeoTypeGivenMeshDimension(m->getMeshDimension()));
-  if(mdim!=gts[0])
+  int mdim(m->getMeshDimension());
+  INTERP_KERNEL::NormalizedCellType gt(MEDCouplingStructuredMesh::GetGeoTypeGivenMeshDimension(mdim));
+  if(gt!=gts[0])
     throw INTERP_KERNEL::Exception("MEDCMeshMultiLev constructor 2 : the unique geo type is invalid regarding meshdim !");
   _coords.resize(mdim);
   for(int i=0;i<mdim;i++)
@@ -704,11 +794,11 @@ MEDCMeshMultiLev::MEDCMeshMultiLev(const MEDFileCMesh *m, const std::vector<INTE
       DataArrayDouble *elt(const_cast<DataArrayDouble *>(m->getMesh()->getCoordsAt(i)));
       if(!elt)
         throw INTERP_KERNEL::Exception("MEDCMeshMultiLev constructor 2 : presence of null pointer for an vector of double along an axis !");
-      _coords[i]=elt;
+      _coords[i]=elt; _coords[i]->incrRef();
     }
 }
 
-MEDCMeshMultiLev::MEDCMeshMultiLev(const MEDCMeshMultiLev& other):MEDStructuredMeshMultiLev(other)
+MEDCMeshMultiLev::MEDCMeshMultiLev(const MEDCMeshMultiLev& other):MEDStructuredMeshMultiLev(other),_coords(other._coords)
 {
 }
 
@@ -803,7 +893,7 @@ MEDCurveLinearMeshMultiLev::MEDCurveLinearMeshMultiLev(const MEDFileCurveLinearM
   _structure=m->getMesh()->getNodeGridStructure();
 }
 
-MEDCurveLinearMeshMultiLev::MEDCurveLinearMeshMultiLev(const MEDFileCurveLinearMesh *m, const std::vector<INTERP_KERNEL::NormalizedCellType>& gts, const std::vector<const DataArrayInt *>& pfls, const std::vector<int>& nbEntities):MEDStructuredMeshMultiLev(gts,pfls,nbEntities)
+MEDCurveLinearMeshMultiLev::MEDCurveLinearMeshMultiLev(const MEDFileCurveLinearMesh *m, const std::vector<INTERP_KERNEL::NormalizedCellType>& gts, const std::vector<const DataArrayInt *>& pfls, const std::vector<int>& nbEntities):MEDStructuredMeshMultiLev(m->getNumberOfNodes(),gts,pfls,nbEntities)
 {
   if(!m)
     throw INTERP_KERNEL::Exception("MEDCurveLinearMeshMultiLev constructor 2 : null input pointer !");