Salome HOME
Merge V8_3_BR branch.
authorrnv <rnv@opencascade.com>
Tue, 30 May 2017 13:03:39 +0000 (16:03 +0300)
committerrnv <rnv@opencascade.com>
Tue, 30 May 2017 13:03:39 +0000 (16:03 +0300)
1  2 
CMakeLists.txt
src/MEDCoupling/MEDCouplingUMesh.cxx
src/MEDCoupling/MEDCouplingVoronoi.cxx
src/MEDCoupling_Swig/MEDCouplingBasicsTest5.py
src/MEDLoader/Swig/MEDLoaderTest3.py

diff --combined CMakeLists.txt
index 51ad2b07e18ead6d968b7cf234af489b230f65d4,aad68421adb11cad754f017d8d449acc7c95be43..25e1d9fa60d1825f4609371e466b0ed6a8dca3ee
@@@ -30,7 -30,7 +30,7 @@@ CMAKE_POLICY(SET CMP0003 NEW
  STRING(TOUPPER ${PROJECT_NAME} PROJECT_NAME_UC)
  
  SET(${PROJECT_NAME_UC}_MAJOR_VERSION 8)
- SET(${PROJECT_NAME_UC}_MINOR_VERSION 2)
+ SET(${PROJECT_NAME_UC}_MINOR_VERSION 3)
  SET(${PROJECT_NAME_UC}_PATCH_VERSION 0)
  SET(${PROJECT_NAME_UC}_VERSION
    ${${PROJECT_NAME_UC}_MAJOR_VERSION}.${${PROJECT_NAME_UC}_MINOR_VERSION}.${${PROJECT_NAME_UC}_PATCH_VERSION})
@@@ -153,14 -153,6 +153,14 @@@ IF(MEDCOUPLING_ENABLE_PYTHON
    SALOME_LOG_OPTIONAL_PACKAGE(PythonInterp MEDCOUPLING_ENABLE_PYTHON)
    SALOME_LOG_OPTIONAL_PACKAGE(PythonLibs MEDCOUPLING_ENABLE_PYTHON)
    SALOME_LOG_OPTIONAL_PACKAGE(SWIG   MEDCOUPLING_ENABLE_PYTHON)
 +  IF ("${PYTHON_VERSION_MAJOR}" STREQUAL "2")
 +    IF("${PYTHON_VERSION_MINOR}" LESS "7")
 +      MESSAGE(FATAL_ERROR "MEDCoupling's Python requires at least Python 2.7 (you seem to have ${PYTHON_VERSION_MAJOR}.${PYTHON_VERSION_MINOR}). Upgrade your Python, or turn off MEDCOUPLING_ENABLE_PYTHON")
 +    ENDIF()
 +  ENDIF()
 +  IF ("${PYTHON_VERSION_MAJOR}" STREQUAL "3")
 +      MESSAGE(STATUS "Using Python 3")
 +  ENDIF()
  ENDIF(MEDCOUPLING_ENABLE_PYTHON)
  
  IF(MEDCOUPLING_BUILD_DOC)
index 58303370f991a0770027e560b101c4186c476e91,87c0118f02c07dc438dc139596d2e00a4fe12faf..94be2bd5a6791caf733e42d93bcf6e0ee52e65e6
@@@ -41,7 -41,6 +41,7 @@@
  #include "InterpKernelGeo2DEdgeLin.hxx"
  #include "InterpKernelGeo2DEdgeArcCircle.hxx"
  #include "InterpKernelGeo2DQuadraticPolygon.hxx"
 +#include "OrientationInverter.hxx"
  #include "MEDCouplingUMesh_internal.hxx"
  
  #include <sstream>
@@@ -590,15 -589,18 +590,15 @@@ void MEDCouplingUMesh::checkFastEquival
  void MEDCouplingUMesh::getReverseNodalConnectivity(DataArrayInt *revNodal, DataArrayInt *revNodalIndx) const
  {
    checkFullyDefined();
 -  int nbOfNodes=getNumberOfNodes();
 +  int nbOfNodes(getNumberOfNodes());
    int *revNodalIndxPtr=(int *)malloc((nbOfNodes+1)*sizeof(int));
    revNodalIndx->useArray(revNodalIndxPtr,true,C_DEALLOC,nbOfNodes+1,1);
    std::fill(revNodalIndxPtr,revNodalIndxPtr+nbOfNodes+1,0);
 -  const int *conn=_nodal_connec->getConstPointer();
 -  const int *connIndex=_nodal_connec_index->getConstPointer();
 -  int nbOfCells=getNumberOfCells();
 -  int nbOfEltsInRevNodal=0;
 +  const int *conn(_nodal_connec->begin()),*connIndex(_nodal_connec_index->begin());
 +  int nbOfCells(getNumberOfCells()),nbOfEltsInRevNodal(0);
    for(int eltId=0;eltId<nbOfCells;eltId++)
      {
 -      const int *strtNdlConnOfCurCell=conn+connIndex[eltId]+1;
 -      const int *endNdlConnOfCurCell=conn+connIndex[eltId+1];
 +      const int *strtNdlConnOfCurCell(conn+connIndex[eltId]+1),*endNdlConnOfCurCell(conn+connIndex[eltId+1]);
        for(const int *iter=strtNdlConnOfCurCell;iter!=endNdlConnOfCurCell;iter++)
          if(*iter>=0)//for polyhedrons
            {
@@@ -836,10 -838,10 +836,10 @@@ void MEDCouplingUMesh::ComputeNeighbors
  {
    if(!desc || !descIndx || !revDesc || !revDescIndx)
      throw INTERP_KERNEL::Exception("MEDCouplingUMesh::ComputeNeighborsOfCellsAdv some input array is empty !");
 -  const int *descPtr=desc->getConstPointer();
 -  const int *descIPtr=descIndx->getConstPointer();
 -  const int *revDescPtr=revDesc->getConstPointer();
 -  const int *revDescIPtr=revDescIndx->getConstPointer();
 +  const int *descPtr=desc->begin();
 +  const int *descIPtr=descIndx->begin();
 +  const int *revDescPtr=revDesc->begin();
 +  const int *revDescIPtr=revDescIndx->begin();
    //
    int nbCells=descIndx->getNumberOfTuples()-1;
    MCAuto<DataArrayInt> out0=DataArrayInt::New();
    neighborsIndx=out1.retn();
  }
  
 +/*!
 + * Explodes \a this into edges whatever its dimension.
 + */
 +MCAuto<MEDCouplingUMesh> MEDCouplingUMesh::explodeIntoEdges(MCAuto<DataArrayInt>& desc, MCAuto<DataArrayInt>& descIndex, MCAuto<DataArrayInt>& revDesc, MCAuto<DataArrayInt>& revDescIndx) const
 +{
 +  checkFullyDefined();
 +  int mdim(getMeshDimension());
 +  desc=DataArrayInt::New(); descIndex=DataArrayInt::New(); revDesc=DataArrayInt::New(); revDescIndx=DataArrayInt::New();
 +  MCAuto<MEDCouplingUMesh> mesh1D;
 +  switch(mdim)
 +  {
 +    case 3:
 +      {
 +        mesh1D=explode3DMeshTo1D(desc,descIndex,revDesc,revDescIndx);
 +        break;
 +      }
 +    case 2:
 +      {
 +        mesh1D=buildDescendingConnectivity(desc,descIndex,revDesc,revDescIndx);
 +        break;
 +      }
 +    default:
 +      {
 +        throw INTERP_KERNEL::Exception("MEDCouplingUMesh::computeNeighborsOfNodes : Mesh dimension supported are [3,2] !");
 +      }
 +  }
 +  return mesh1D;
 +}
 +
  /*!
   * \b WARNING this method do the assumption that connectivity lies on the coordinates set.
   * For speed reasons no check of this will be done. This method calls
   * The number of tuples is equal to the last values in \b neighborsIndx.
   * \param [out] neighborsIdx is an array of size this->getNumberOfCells()+1 newly allocated and should
   * be dealt by the caller. This arrays allow to use the first output parameter \b neighbors.
 + * 
 + * \sa MEDCouplingUMesh::computeEnlargedNeighborsOfNodes
   */
  void MEDCouplingUMesh::computeNeighborsOfNodes(DataArrayInt *&neighbors, DataArrayInt *&neighborsIdx) const
  {
    checkFullyDefined();
    int mdim(getMeshDimension()),nbNodes(getNumberOfNodes());
    MCAuto<DataArrayInt> desc(DataArrayInt::New()),descIndx(DataArrayInt::New()),revDesc(DataArrayInt::New()),revDescIndx(DataArrayInt::New());
 -  MCAuto<MEDCouplingUMesh> mesh1D;
 +  MCConstAuto<MEDCouplingUMesh> mesh1D;
    switch(mdim)
    {
      case 3:
        }
      case 1:
        {
 -        mesh1D=const_cast<MEDCouplingUMesh *>(this);
 -        mesh1D->incrRef();
 +        mesh1D.takeRef(this);
          break;
        }
      default:
    neighborsIdx=descIndx.retn();
  }
  
 +/*!
 + * Computes enlarged neighbors for each nodes in \a this. The behavior of this method is close to MEDCouplingUMesh::computeNeighborsOfNodes except that the neighborhood of each node is wider here.
 + * A node j is considered to be in the neighborhood of i if and only if there is a cell in \a this containing in its nodal connectivity both i and j.
 + * This method is useful to find ghost cells of a part of a mesh with a code based on fields on nodes.
 + * 
 + * \sa MEDCouplingUMesh::computeNeighborsOfNodes
 + */
 +void MEDCouplingUMesh::computeEnlargedNeighborsOfNodes(MCAuto<DataArrayInt> &neighbors, MCAuto<DataArrayInt>& neighborsIdx) const
 +{
 +  checkFullyDefined();
 +  int nbOfNodes(getNumberOfNodes());
 +  const int *conn(_nodal_connec->begin()),*connIndex(_nodal_connec_index->begin());
 +  int nbOfCells(getNumberOfCells());
 +  std::vector< std::set<int> > st0(nbOfNodes);
 +  for(int eltId=0;eltId<nbOfCells;eltId++)
 +    {
 +      const int *strtNdlConnOfCurCell(conn+connIndex[eltId]+1),*endNdlConnOfCurCell(conn+connIndex[eltId+1]);
 +      std::set<int> s(strtNdlConnOfCurCell,endNdlConnOfCurCell); s.erase(-1); //for polyhedrons
 +      for(std::set<int>::const_iterator iter2=s.begin();iter2!=s.end();iter2++)
 +        st0[*iter2].insert(s.begin(),s.end());
 +    }
 +  neighborsIdx=DataArrayInt::New(); neighborsIdx->alloc(nbOfNodes+1,1); neighborsIdx->setIJ(0,0,0);
 +  {
 +    int *neighIdx(neighborsIdx->getPointer());
 +    for(std::vector< std::set<int> >::const_iterator it=st0.begin();it!=st0.end();it++,neighIdx++)
 +      neighIdx[1]=neighIdx[0]+(*it).size()-1;
 +  }
 +  neighbors=DataArrayInt::New(); neighbors->alloc(neighborsIdx->back(),1);
 +  {
 +    const int *neighIdx(neighborsIdx->begin());
 +    int *neigh(neighbors->getPointer()),nodeId(0);
 +    for(std::vector< std::set<int> >::const_iterator it=st0.begin();it!=st0.end();it++,neighIdx++,nodeId++)
 +      {
 +        std::set<int> s(*it); s.erase(nodeId);
 +        std::copy(s.begin(),s.end(),neigh+*neighIdx);
 +      }
 +  }
 +}
 +
  /*!
   * Converts specified cells to either polygons (if \a this is a 2D mesh) or
   * polyhedrons (if \a this is a 3D mesh). The cells to convert are specified by an
@@@ -1021,7 -954,7 +1021,7 @@@ void MEDCouplingUMesh::convertToPolyTyp
    int nbOfCells(getNumberOfCells());
    if(dim==2)
      {
 -      const int *connIndex=_nodal_connec_index->getConstPointer();
 +      const int *connIndex=_nodal_connec_index->begin();
        int *conn=_nodal_connec->getPointer();
        for(const int *iter=cellIdsToConvertBg;iter!=cellIdsToConvertEnd;iter++)
          {
@@@ -2363,7 -2296,7 +2363,7 @@@ void MEDCouplingUMesh::findNodesToDupli
    DAInt neighIInit00(tmp11);
    // Neighbor information of the mesh WITH the crack (some neighbors are removed):
    DataArrayInt *idsTmp=0;
 -  bool b=m01->areCellsIncludedIn(&otherDimM1OnSameCoords,2,idsTmp);
 +  m01->areCellsIncludedIn(&otherDimM1OnSameCoords,2,idsTmp);
    DAInt ids(idsTmp);
    // In the neighbor information remove the connection between high dimension cells and its low level constituents which are part
    // of the frontier given in parameter (i.e. the cells of low dimension from the group delimiting the crack):
@@@ -3044,14 -2977,14 +3044,14 @@@ void MEDCouplingUMesh::setConnectivity(
   * Copy constructor. If 'deepCopy' is false \a this is a shallow copy of other.
   * If 'deeCpy' is true all arrays (coordinates and connectivities) are deeply copied.
   */
 -MEDCouplingUMesh::MEDCouplingUMesh(const MEDCouplingUMesh& other, bool deepCopy):MEDCouplingPointSet(other,deepCopy),_mesh_dim(other._mesh_dim),
 +MEDCouplingUMesh::MEDCouplingUMesh(const MEDCouplingUMesh& other, bool deepCpy):MEDCouplingPointSet(other,deepCpy),_mesh_dim(other._mesh_dim),
      _nodal_connec(0),_nodal_connec_index(0),
      _types(other._types)
  {
    if(other._nodal_connec)
 -    _nodal_connec=other._nodal_connec->performCopyOrIncrRef(deepCopy);
 +    _nodal_connec=other._nodal_connec->performCopyOrIncrRef(deepCpy);
    if(other._nodal_connec_index)
 -    _nodal_connec_index=other._nodal_connec_index->performCopyOrIncrRef(deepCopy);
 +    _nodal_connec_index=other._nodal_connec_index->performCopyOrIncrRef(deepCpy);
  }
  
  MEDCouplingUMesh::~MEDCouplingUMesh()
@@@ -3716,7 -3649,7 +3716,7 @@@ MCAuto<MEDCouplingUMesh> MEDCouplingUMe
    std::vector<std::vector<int> > res;
    buildSubCellsFromCut(cut3DSurf,desc2->begin(),descIndx2->begin(),mDesc1->getCoords()->begin(),eps,res);
    std::size_t sz(res.size());
 -  if(res.size()==mDesc1->getNumberOfCells() && sameNbNodes)
 +  if((int)res.size()==mDesc1->getNumberOfCells() && sameNbNodes)
      throw INTERP_KERNEL::Exception("MEDCouplingUMesh::clipSingle3DCellByPlane : cell is not clipped !");
    for(std::size_t i=0;i<sz;i++)
      {
@@@ -3972,7 -3905,7 +3972,7 @@@ DataArrayDouble *MEDCouplingUMesh::dist
      throw INTERP_KERNEL::Exception("MEDCouplingUMesh::distanceToPoints works only for spaceDim=meshDim+1 !");
    if(meshDim!=2 && meshDim!=1)
      throw INTERP_KERNEL::Exception("MEDCouplingUMesh::distanceToPoints : only mesh dimension 2 and 1 are implemented !");
 -  if(pts->getNumberOfComponents()!=spaceDim)
 +  if((int)pts->getNumberOfComponents()!=spaceDim)
      {
        std::ostringstream oss; oss << "MEDCouplingUMesh::distanceToPoints : input pts DataArrayDouble has " << pts->getNumberOfComponents() << " components whereas it should be equal to " << spaceDim << " (mesh spaceDimension) !";
        throw INTERP_KERNEL::Exception(oss.str());
@@@ -4855,27 -4788,6 +4855,27 @@@ void MEDCouplingUMesh::orientCorrectlyP
    updateTime();
  }
  
 +/*!
 + * This method invert orientation of all cells in \a this. 
 + * After calling this method the absolute value of measure of cells in \a this are the same than before calling.
 + * This method only operates on the connectivity so coordinates are not touched at all.
 + */
 +void MEDCouplingUMesh::invertOrientationOfAllCells()
 +{
 +  checkConnectivityFullyDefined();
 +  std::set<INTERP_KERNEL::NormalizedCellType> gts(getAllGeoTypes());
 +  int *conn(_nodal_connec->getPointer());
 +  const int *conni(_nodal_connec_index->begin());
 +  for(std::set<INTERP_KERNEL::NormalizedCellType>::const_iterator gt=gts.begin();gt!=gts.end();gt++)
 +    {
 +      INTERP_KERNEL::AutoCppPtr<INTERP_KERNEL::OrientationInverter> oi(INTERP_KERNEL::OrientationInverter::BuildInstanceFrom(*gt));
 +      MCAuto<DataArrayInt> cwt(giveCellsWithType(*gt));
 +      for(const int *it=cwt->begin();it!=cwt->end();it++)
 +        oi->operate(conn+conni[*it]+1,conn+conni[*it+1]);
 +    }
 +  updateTime();
 +}
 +
  /*!
   * Finds and fixes incorrectly oriented linear extruded volumes (INTERP_KERNEL::NORM_HEXA8,
   * INTERP_KERNEL::NORM_PENTA6, INTERP_KERNEL::NORM_HEXGP12 etc) to respect the MED convention
@@@ -6479,8 -6391,15 +6479,15 @@@ DataArrayDouble *MEDCouplingUMesh::comp
    for(int i=0;i<nbOfCells;i++,nodalI++,retPtr+=4)
      {
        double matrix[16]={0,0,0,1,0,0,0,1,0,0,0,1,1,1,1,0},matrix2[16];
-       if(nodalI[1]-nodalI[0]>=3)
+       if(nodalI[1]-nodalI[0]>=4)
          {
+           double aa[3]={coor[nodal[nodalI[0]+1+1]*3+0]-coor[nodal[nodalI[0]+1+0]*3+0],
+                         coor[nodal[nodalI[0]+1+1]*3+1]-coor[nodal[nodalI[0]+1+0]*3+1],
+                         coor[nodal[nodalI[0]+1+1]*3+2]-coor[nodal[nodalI[0]+1+0]*3+2]}
+           ,bb[3]={coor[nodal[nodalI[0]+1+2]*3+0]-coor[nodal[nodalI[0]+1+0]*3+0],
+                         coor[nodal[nodalI[0]+1+2]*3+1]-coor[nodal[nodalI[0]+1+0]*3+1],
+                         coor[nodal[nodalI[0]+1+2]*3+2]-coor[nodal[nodalI[0]+1+0]*3+2]};
+           double cc[3]={aa[1]*bb[2]-aa[2]*bb[1],aa[2]*bb[0]-aa[0]*bb[2],aa[0]*bb[1]-aa[1]*bb[0]};
            for(int j=0;j<3;j++)
              {
                int nodeId(nodal[nodalI[0]+1+j]);
                    throw INTERP_KERNEL::Exception(oss.str());
                  }
              }
+           if(sqrt(cc[0]*cc[0]+cc[1]*cc[1]+cc[2]*cc[2])>1e-7)
+             {
+               INTERP_KERNEL::inverseMatrix(matrix,4,matrix2);
+               retPtr[0]=matrix2[3]; retPtr[1]=matrix2[7]; retPtr[2]=matrix2[11]; retPtr[3]=matrix2[15];
+             }
+           else
+             {
+               if(nodalI[1]-nodalI[0]==4)
+                 {
+                   std::ostringstream oss; oss << "MEDCouplingUMesh::computePlaneEquationOf3DFaces : cell" << i << " : Presence of The 3 colinear points !";
+                   throw INTERP_KERNEL::Exception(oss.str());
+                 }
+               //
+               double dd[3]={0.,0.,0.};
+               for(int offset=nodalI[0]+1;offset<nodalI[1];offset++)
+                 std::transform(coor+3*nodal[offset],coor+3*(nodal[offset]+1),dd,dd,std::plus<double>());
+               int nbOfNodesInCell(nodalI[1]-nodalI[0]-1);
+               std::transform(dd,dd+3,dd,std::bind2nd(std::multiplies<double>(),1./(double)nbOfNodesInCell));
+               std::copy(dd,dd+3,matrix+4*2);
+               INTERP_KERNEL::inverseMatrix(matrix,4,matrix2);
+               retPtr[0]=matrix2[3]; retPtr[1]=matrix2[7]; retPtr[2]=matrix2[11]; retPtr[3]=matrix2[15];
+             }
          }
        else
          {
            std::ostringstream oss; oss << "MEDCouplingUMesh::computePlaneEquationOf3DFaces : invalid 2D cell #" << i << " ! Must be constitued by more than 3 nodes !";
            throw INTERP_KERNEL::Exception(oss.str());
          }
-       INTERP_KERNEL::inverseMatrix(matrix,4,matrix2);
-       retPtr[0]=matrix2[3]; retPtr[1]=matrix2[7]; retPtr[2]=matrix2[11]; retPtr[3]=matrix2[15];
      }
    return ret.retn();
  }
index a7cff07b99e0befa55f595047fc950a6afb63657,1dead8e8d599c2ca3f2f5e2d9c715ba5d8d23fbe..deac498563bbf4bac719bb33cc32d9c2f5656974
@@@ -150,6 -150,40 +150,40 @@@ MCAuto<MEDCouplingUMesh> MergeVorCells(
    return MergeVorCells2D(p,eps,true);
  }
  
+ /*!
+  * suppress additional sub points on edges
+  */
+ MCAuto<MEDCouplingUMesh> SimplifyPolygon(const MEDCouplingUMesh *m, double eps)
+ {
+   if(m->getNumberOfCells()!=1)
+     throw INTERP_KERNEL::Exception("SimplifyPolygon : internal error !");
+   const int *conn(m->getNodalConnectivity()->begin()),*conni(m->getNodalConnectivityIndex()->begin());
+   int nbPtsInPolygon(conni[1]-conni[0]-1);
+   const double *coo(m->getCoords()->begin());
+   std::vector<int> resConn;
+   for(int i=0;i<nbPtsInPolygon;i++)
+     {
+       int prev(conn[(i+nbPtsInPolygon-1)%nbPtsInPolygon+1]),current(conn[i%nbPtsInPolygon+1]),zeNext(conn[(i+1)%nbPtsInPolygon+1]);
+       double a[3]={
+         coo[3*prev+0]-coo[3*current+0],
+         coo[3*prev+1]-coo[3*current+1],
+         coo[3*prev+2]-coo[3*current+2],
+       },b[3]={
+         coo[3*current+0]-coo[3*zeNext+0],
+         coo[3*current+1]-coo[3*zeNext+1],
+         coo[3*current+2]-coo[3*zeNext+2],
+       };
+       double c[3]={a[1]*b[2]-a[2]*b[1], a[2]*b[0]-a[0]*b[2], a[0]*b[1]-a[1]*b[0]};
+       if(sqrt(c[0]*c[0]+c[1]*c[1]+c[2]*c[2])>eps)
+         resConn.push_back(current);
+     }
+   MCAuto<MEDCouplingUMesh> ret(MEDCouplingUMesh::New("",2));
+   ret->setCoords(m->getCoords());
+   ret->allocateCells();
+   ret->insertNextCell(INTERP_KERNEL::NORM_POLYGON,resConn.size(),&resConn[0]);
+   return ret;
+ }
  MCAuto<MEDCouplingUMesh> MergeVorCells3D(const std::vector< MCAuto<MEDCouplingUMesh> >& vcs, double eps)
  {
    std::size_t sz(vcs.size());
          tmp2=tmp;
        else
          tmp2=MergeVorCells2D(tmp,eps,false);
+       tmp2=SimplifyPolygon(tmp2,eps);
        const int *cPtr(tmp2->getNodalConnectivity()->begin()),*ciPtr(tmp2->getNodalConnectivityIndex()->begin());
        conn.insert(conn.end(),cPtr+1,cPtr+ciPtr[1]);
      }
@@@ -405,7 -440,7 +440,7 @@@ MCAuto<MEDCouplingUMesh> MEDCoupling::V
              newCoords=a->getCoords()->selectByTupleId(tmp->begin(),tmp->end());
            }
            const double *cPtr(newCoords->begin());
 -          for(int i=0;i<newCoords->getNumberOfTuples();i++,cPtr+=2)
 +          for(int j=0;j<newCoords->getNumberOfTuples();j++,cPtr+=2)
              {
                std::set<int> zeCandidates;
                {
@@@ -474,15 -509,9 +509,15 @@@ MCAuto<MEDCouplingUMesh> MEDCoupling::V
        vorTess->getCellsContainingPoint(pt,eps,polygsToIterOn);
        if(polygsToIterOn.size()<1)
          throw INTERP_KERNEL::Exception("Voronoize3D : presence of a point outside the given cell !");
 +      std::set<int> elemsToDo(polygsToIterOn.begin(),polygsToIterOn.end()),elemsDone;
 +      std::size_t ii(0);
        std::vector< MCAuto<MEDCouplingUMesh> > newVorCells;
 -      for(int poly=0;poly<vorTess->getNumberOfCells();poly++)
 +      MCAuto<DataArrayInt> d(DataArrayInt::New()),dI(DataArrayInt::New()),rd(DataArrayInt::New()),rdI(DataArrayInt::New());
 +      MCAuto<MEDCouplingUMesh> faces(vorTess->buildDescendingConnectivity(d,dI,rd,rdI));
 +      //
 +      while(!elemsToDo.empty())
          {
 +          int poly(*elemsToDo.begin()); elemsToDo.erase(elemsToDo.begin()); elemsDone.insert(poly);
            const double *seed(pts+3*poly);
            MCAuto<MEDCouplingUMesh> tile(l0[poly]);
            tile->zipCoords();
            newVorCell->zipCoords();
            MCAuto<MEDCouplingUMesh> modifiedCell(cells->buildPartOfMySelfSlice(0,1,1,true));
            modifiedCell->zipCoords();
 +          l0[poly]=modifiedCell;
 +          if(std::find(polygsToIterOn.begin(),polygsToIterOn.end(),poly)!=polygsToIterOn.end())// we iterate on a polyhedron containg the point to add pt -> add cells sharing faces with just computed newVorCell
 +            {
 +              MCAuto<MEDCouplingUMesh> faces2;
 +              {
 +                MCAuto<DataArrayInt> d2(DataArrayInt::New()),d2I(DataArrayInt::New()),rd2(DataArrayInt::New()),rd2I(DataArrayInt::New());
 +                faces2=newVorCell->buildDescendingConnectivity(d2,d2I,rd2,rd2I);
 +              }
 +              MCAuto<MEDCouplingUMesh> faces3(faces2->buildPartOfMySelfSlice(1,faces2->getNumberOfCells(),1,true));// suppress internal face
 +              MCAuto<MEDCouplingUMesh> facesOfCurSplitPol(faces->buildPartOfMySelf(d->begin()+dI->getIJ(poly,0),d->begin()+dI->getIJ(poly+1,0),true));
 +              // intersection between the out faces of newVorCell and the neighbor faces of poly polyhedron -> candidates
 +              MEDCouplingNormalizedUnstructuredMesh<3,2> source_mesh_wrapper(facesOfCurSplitPol);
 +              MEDCouplingNormalizedUnstructuredMesh<3,2> target_mesh_wrapper(faces3);
 +              INTERP_KERNEL::Interpolation3DSurf interpolation;
 +              interpolation.setMinDotBtwPlane3DSurfIntersect(eps2);
 +              interpolation.setMaxDistance3DSurfIntersect(eps);
 +              interpolation.setPrecision(1e-12);
 +              std::vector<std::map<int,double> > matrix;
 +              interpolation.interpolateMeshes(source_mesh_wrapper,target_mesh_wrapper,matrix,"P0P0");
 +              std::set<int> zeCandidates;
 +              for(std::vector<std::map<int,double> >::const_iterator it2=matrix.begin();it2!=matrix.end();it2++)
 +                for(std::map<int,double>::const_iterator it3=(*it2).begin();it3!=(*it2).end();it3++)
 +                  {
 +                    int faceIdInVorTess(d->getIJ(dI->getIJ(poly,0)+(*it3).first,0));
 +                    for(const int *it4=rd->begin()+rdI->getIJ(faceIdInVorTess,0);it4!=rd->begin()+rdI->getIJ(faceIdInVorTess+1,0);it4++)
 +                      {
 +                        if(*it4!=poly)
 +                          zeCandidates.insert(*it4);
 +                      }
 +                  }
 +              std::set<int> tmp2,newElementsToDo;
 +              std::set_difference(zeCandidates.begin(),zeCandidates.end(),elemsDone.begin(),elemsDone.end(),std::inserter(tmp2,tmp2.begin()));
 +              std::set_union(elemsToDo.begin(),elemsToDo.end(),tmp2.begin(),tmp2.end(),std::inserter(newElementsToDo,newElementsToDo.begin()));
 +              elemsToDo=newElementsToDo;
 +            }
 +          //
            newVorCells.push_back(newVorCell);
-           ii++;
+           l0[poly]=modifiedCell;
          }
        l0.push_back(MergeVorCells3D(newVorCells,eps));
      }
index 0bc7f7898f82cf5a15f281a8b978236e504ac16f,9c1ae7c6b10f38adc8eafd739b10484386501b43..1719e3488c34d290ef566997f0cf17330c24fcc5
@@@ -23,7 -23,7 +23,7 @@@ import unittes
  from math import pi,e,sqrt,cos,sin
  from datetime import datetime
  from MEDCouplingDataForTest import MEDCouplingDataForTest
 -import rlcompleter,readline # this line has to be here, to ensure a usability of MEDCoupling/MEDLoader. B4 removing it please notify to anthony.geay@cea.fr
 +import rlcompleter,readline # this line has to be here, to ensure a usability of MEDCoupling/MEDLoader. B4 removing it please notify to anthony.geay@edf.fr
  
  class MEDCouplingBasicsTest5(unittest.TestCase):
      def testSwig2FieldDoubleBuildSubPartRange1(self):
@@@ -31,7 -31,7 +31,7 @@@
          m=MEDCouplingDataForTest.build2DTargetMesh_1()
          f=MEDCouplingFieldDouble(ON_CELLS)
          f.setMesh(m)
 -        arr=DataArrayDouble(5,2) ; arr[:,0]=range(7,12) ; arr[:,1]=100+arr[:,0]
 +        arr = DataArrayDouble(5, 2) ; arr[:, 0] = list(range(7, 12)) ; arr[:, 1] = 100 + arr[:, 0]
          f.setArray(arr)
          f.checkConsistencyLight()
          ff=f[1:-1:2]
@@@ -61,7 -61,7 +61,7 @@@
          #ON_NODES
          f=MEDCouplingFieldDouble(ON_NODES)
          f.setMesh(m)
 -        arr=DataArrayDouble(9,2) ; arr[:,0]=range(7,16) ; arr[:,1]=100+arr[:,0]
 +        arr = DataArrayDouble(9, 2) ; arr[:, 0] = list(range(7, 16)) ; arr[:, 1] = 100 + arr[:, 0]
          f.setArray(arr)
          f.checkConsistencyLight()
          ff=f[1:-1:2]
@@@ -96,7 -96,7 +96,7 @@@
          #ON_GAUSS_NE
          f=MEDCouplingFieldDouble(ON_GAUSS_NE)
          f.setMesh(m)
 -        arr=DataArrayDouble(18,2) ; arr[:,0]=range(7,25) ; arr[:,1]=100+arr[:,0]
 +        arr = DataArrayDouble(18, 2) ; arr[:, 0] = list(range(7, 25)) ; arr[:, 1] = 100 + arr[:, 0]
          f.setArray(arr)
          f.checkConsistencyLight()
          ff=f[1:-1:2]
          f.setGaussLocalizationOnCells([3],[0,0,1,0,1,1,1,0],[1.1,1.1,2.2,2.2,3.,3.],[0.2,0.4,0.4]);
          f.setGaussLocalizationOnCells([1],[0,0,1,0,1,0],[1.1,1.1,2.2,2.2,3.,3.,4.,4.],[0.1,0.1,0.4,0.4]);
          f.setGaussLocalizationOnCells([2],[0,0,1,0,1,0],[1.1,1.1,2.2,2.2,3.,3.,4.,4.,5.,5.],[0.1,0.1,0.4,0.3,0.1]);
 -        arr=DataArrayDouble(16,2) ; arr[:,0]=range(7,23) ; arr[:,1]=100+arr[:,0]
 +        arr = DataArrayDouble(16, 2) ; arr[:, 0] = list(range(7, 23)) ; arr[:, 1] = 100 + arr[:, 0]
          f.setArray(arr)
          f.checkConsistencyLight()
          ff=f[1:-1:2]
          time_deb = datetime.now()
          a1=DataArrayDouble(len(d))
          b1=DataArrayInt(len(d))
 -        m1s=[m1[i] for i in xrange(m1.getNumberOfCells())]
 +        m1s = [m1[i] for i in range(m1.getNumberOfCells())]
          for j,pt in enumerate(d):
              eter=1e308
              fter=-1
          m=MEDCouplingUMesh("mesh",2)
          m.setCoords(coo)
          m.allocateCells()
 -        for i in xrange(24):
 +        for i in range(24):
              m.insertNextCell(NORM_QUAD4,conn[4*i:4*i+4])
              pass
          m.checkConsistency()
          d[:,1]*=pi/180. # angle in radian
          d=d.fromPolarToCart()
          d+=zeBary
 -        m=MEDCouplingUMesh("quad8",2) ; m.allocateCells() ; m.insertNextCell(NORM_QUAD8,range(8)) ; m.setCoords(d)
 +        m = MEDCouplingUMesh("quad8", 2) ; m.allocateCells() ; m.insertNextCell(NORM_QUAD8, list(range(8))) ; m.setCoords(d)
          self.assertTrue(m.computeCellCenterOfMass().isEqual(DataArrayDouble(zeBary,1,2),1e-13))
          self.assertAlmostEqual(float(m.getMeasureField(False).getArray()),pi*zeRadius*zeRadius,12)
          tri32D=m.buildDescendingConnectivity()[0][0] ; tri32D.zipCoords()
          d[:,1]*=pi/180. # angle in radian
          d=d.fromPolarToCart()
          d+=zeBary
 -        m=MEDCouplingUMesh("tri6",2) ; m.allocateCells() ; m.insertNextCell(NORM_TRI6,range(6)) ; m.setCoords(d)
 +        m = MEDCouplingUMesh("tri6", 2) ; m.allocateCells() ; m.insertNextCell(NORM_TRI6, list(range(6))) ; m.setCoords(d)
          self.assertTrue(m.computeCellCenterOfMass().isEqual(DataArrayDouble(zeBary,1,2),1e-13))
          self.assertAlmostEqual(float(m.getMeasureField(False).getArray()),pi*zeRadius*zeRadius,12)
          # spaceDim=3 TRI6 becomes TRI3 ... for the moment
          d[:,1]*=pi/180. # angle in radian
          d=d.fromPolarToCart()
          d+=zeBary
 -        m=MEDCouplingUMesh("qpolyg",2) ; m.allocateCells() ; m.insertNextCell(NORM_QPOLYG,range(10)) ; m.setCoords(d)
 +        m = MEDCouplingUMesh("qpolyg", 2) ; m.allocateCells() ; m.insertNextCell(NORM_QPOLYG, list(range(10))) ; m.setCoords(d)
          self.assertTrue(m.computeCellCenterOfMass().isEqual(DataArrayDouble(zeBary,1,2),1e-13))
          self.assertAlmostEqual(float(m.getMeasureField(False).getArray()),pi*zeRadius*zeRadius,12)
          # spaceDim=3 QPOLYG becomes POLYG ... for the moment
          s=slice(18,1,-2)
          self.assertEqual(DataArray.GetNumberOfItemGivenBESRelative(s),9)
          self.assertRaises(InterpKernelException,DataArray.GetNumberOfItemGivenBES,s)
 -        self.assertEqual(sum([DataArray.GetNumberOfItemGivenBESRelative(DataArray.GetSlice(s,i,4)) for i in xrange(4)]),DataArray.GetNumberOfItemGivenBESRelative(s))
 +        self.assertEqual(sum([DataArray.GetNumberOfItemGivenBESRelative(DataArray.GetSlice(s, i, 4)) for i in range(4)]), DataArray.GetNumberOfItemGivenBESRelative(s))
          self.assertEqual(DataArray.GetSlice(s,0,4),slice(18,14,-2))
          self.assertEqual(DataArray.GetSlice(s,1,4),slice(14,10,-2))
          self.assertEqual(DataArray.GetSlice(s,2,4),slice(10,6,-2))
          #
          maxNbCSN=nbOfCellsSharingNodes.getMaxValue()[0]
          arr3=DataArrayDouble(f.getMesh().getNumberOfNodes(),f.getArray().getNumberOfComponents()) ; arr3[:]=0.
 -        for i in xrange(1,maxNbCSN+1):
 +        for i in range(1, maxNbCSN + 1):
              ids=nbOfCellsSharingNodes.findIdsEqual(i)
              if len(ids)==0:
                  continue
          m=MEDCoupling1SGTUMesh("m",NORM_QUAD4)
          mem_m=m.getHeapMemorySize()
          m.allocateCells(5)
 -        self.assertIn(m.getHeapMemorySize()-mem_m,xrange(5*4*4,5*4*4+32))
 +        self.assertIn(m.getHeapMemorySize() - mem_m, list(range(5 * 4 * 4, 5 * 4 * 4 + 32)))
          self.assertEqual(m.getNodalConnectivity().getNbOfElemAllocated(),20)
          m.setCoords(um.getCoords())
          m.insertNextCell([1,0,6,7])
          self.assertRaises(InterpKernelException,m.buildUnstructured().splitProfilePerType,invalidPfl)
          ##
          pfl1=DataArrayInt([1,2,3])
--        a=m.checkTypeConsistencyAndContig([NORM_QUAD4,3,0],[pfl1])
++        a=m.getCellsContainingPointcheckTypeConsistencyAndContig([NORM_QUAD4,3,0],[pfl1])
          b=m.buildUnstructured().checkTypeConsistencyAndContig([NORM_QUAD4,3,0],[pfl1])
          self.assertTrue(a.isEqual(b) and pfl1.getHiddenCppPointer(),a.getHiddenCppPointer())
          #
          valuesToTest=f.getValueOnMulti(targetPointCoordsXY);
          self.assertEqual(196,valuesToTest.getNumberOfTuples());
          self.assertEqual(1,valuesToTest.getNumberOfComponents());
 -        for i in xrange(40):
 +        for i in range(40):
              self.assertAlmostEqual(targetFieldValsExpected[i],valuesToTest.getIJ(i,0),10)
              pass
          fd=f.getDiscretization()
          #
          trs=[[0.,0.,-1.],[0.,0.,1.],[1.,0.,0.],[0.,-1.,0.],[-1.,0.,0.],[0.,1.,0.]]
          for i,t in enumerate(trs):
 -            for j in xrange(64):
 +            for j in range(64):
                  j2=(j//16) ; j1=((j%16)//4) ; j0=(j%4)
                  m11=m1.deepCopy()
                  m11.rotate([0.,0.,0.],[0.,0.,1.],float(j0)*pi/2)
          m=MEDCouplingUMesh("mesh",2) ; m.setCoords(coo)
          m.allocateCells()
          # the cell description is exactly those described in the description of TRI7 in MED file 3.0.7 documentation
 -        m.insertNextCell(NORM_TRI7,range(7))
 +        m.insertNextCell(NORM_TRI7, list(range(7)))
          refCoords=[0.,0.,1.,0.,0.,1.,0.5,0.,0.5,0.5,0.,0.5,0.3333333333333333,0.3333333333333333]
          gaussCoords=[0.3333333333333333,0.3333333333333333,0.470142064105115,0.470142064105115,0.05971587178977,0.470142064105115,0.470142064105115,0.05971587178977,0.101286507323456,0.101286507323456,0.797426985353088,0.101286507323456,0.101286507323456,0.797426985353088]
          weights=[0.062969590272413,0.062969590272413,0.062969590272413,0.066197076394253,0.066197076394253,0.066197076394253,0.1125]
      def testSwigBugOnUnpackingTuplesInDataArray1(self):
          inp=DataArrayDouble([(1,2,3),(4,5,6),(7,8,9),(10,11,12)])
          it=inp.__iter__()
 -        r=it.next()
 +        r = next(it)
          self.assertRaises(StopIteration,r.__getitem__,4)
          self.assertEqual(len(r),3)
          a,b,c=r
 -        r=it.next()
 +        r = next(it)
          self.assertEqual(len(r),3)
          d,e,f=r
 -        r=it.next()
 +        r = next(it)
          self.assertEqual(len(r),3)
          g,h,i=r
 -        r=it.next()
 +        r = next(it)
          self.assertEqual(len(r),3)
          j,k,l=r
          self.assertTrue(inp.isEqual(DataArrayDouble([a,b,c,d,e,f,g,h,i,j,k,l],4,3),1e-12))
          ########
          inp=DataArrayInt([(1,2,3),(4,5,6),(7,8,9),(10,11,12)])
          it=inp.__iter__()
 -        r=it.next()
 +        r = next(it)
          self.assertRaises(StopIteration,r.__getitem__,4)
          self.assertEqual(len(r),3)
          a,b,c=r
 -        r=it.next()
 +        r = next(it)
          self.assertEqual(len(r),3)
          d,e,f=r
 -        r=it.next()
 +        r = next(it)
          self.assertEqual(len(r),3)
          g,h,i=r
 -        r=it.next()
 +        r = next(it)
          self.assertEqual(len(r),3)
          j,k,l=r
          self.assertTrue(inp.isEqual(DataArrayInt([a,b,c,d,e,f,g,h,i,j,k,l],4,3)))
          self.assertTrue(isinstance(g0[0],MEDCouplingCartesianAMRPatchGF))
          g1=amr.retrieveGridsAt(1)
          self.assertEqual(5,len(g1))
 -        for i in xrange(5):
 +        for i in range(5):
              self.assertTrue(isinstance(g1[i],MEDCouplingCartesianAMRPatch))
              pass
          pass
                                 NORM_SEG2,11,12,NORM_SEG2,12,13,
                                 NORM_SEG2,14,15])
          cI = DataArrayInt([0,3,7,10,14,18,21,24,27,30])
 -        coords2 = DataArrayDouble([float(i) for i in range(32)], 16,2)
 +        coords2 = DataArrayDouble([float(i) for i in range(32)], 16, 2)
          m2.setCoords(coords2);
          m2.setConnectivity(c, cI);
          m2.checkConsistency(1.0e-8);
  
      def testSwig2DAIGetIdsStrictlyNegative1(self):
          d=DataArrayInt([4,-5,-1,0,3,99,-7])
 -        self.assertTrue(d.findIdsStricltyNegative().isEqual(DataArrayInt([1,2,6])))
 +        self.assertTrue(d.findIdsStrictlyNegative().isEqual(DataArrayInt([1,2,6])))
          pass
  
      def testSwig2DAIReplaceOneValByInThis1(self):
          li=[]
          liExp3D=[(0,0,0),(1,0,0),(2,0,0),(3,0,0),(0,1,0),(1,1,0),(2,1,0),(3,1,0),(0,2,0),(1,2,0),(2,2,0),(3,2,0),(0,0,1),(1,0,1),(2,0,1),(3,0,1),(0,1,1),(1,1,1),(2,1,1),(3,1,1),(0,2,1),(1,2,1),(2,2,1),(3,2,1)]
          self.assertEqual(24,m.getNumberOfCells())
 -        for i in xrange(m.getNumberOfCells()):
 +        for i in range(m.getNumberOfCells()):
              li.append(m.getLocationFromCellId(i))
              pass
          self.assertEqual(liExp3D,li)
          li=[]
          liExp2D=[(0,0),(1,0),(2,0),(3,0),(0,1),(1,1),(2,1),(3,1),(0,2),(1,2),(2,2),(3,2)]
          self.assertEqual(12,m.getNumberOfCells())
 -        for i in xrange(m.getNumberOfCells()):
 +        for i in range(m.getNumberOfCells()):
              li.append(m.getLocationFromCellId(i))
              pass
          self.assertEqual(liExp2D,li)
          arrX=DataArrayDouble(5) ; arrX.iota()
          m=MEDCouplingCMesh() ; m.setCoords(arrX)
          self.assertEqual(4,m.getNumberOfCells())
 -        for i in xrange(m.getNumberOfCells()):
 +        for i in range(m.getNumberOfCells()):
              self.assertEqual((i,),m.getLocationFromCellId(i))
              pass
          self.assertRaises(InterpKernelException,m.getLocationFromCellId,4)
          li=[]
          liExp3D=[(0,0,0),(1,0,0),(2,0,0),(3,0,0),(4,0,0),(0,1,0),(1,1,0),(2,1,0),(3,1,0),(4,1,0),(0,2,0),(1,2,0),(2,2,0),(3,2,0),(4,2,0),(0,3,0),(1,3,0),(2,3,0),(3,3,0),(4,3,0),(0,0,1),(1,0,1),(2,0,1),(3,0,1),(4,0,1),(0,1,1),(1,1,1),(2,1,1),(3,1,1),(4,1,1),(0,2,1),(1,2,1),(2,2,1),(3,2,1),(4,2,1),(0,3,1),(1,3,1),(2,3,1),(3,3,1),(4,3,1),(0,0,2),(1,0,2),(2,0,2),(3,0,2),(4,0,2),(0,1,2),(1,1,2),(2,1,2),(3,1,2),(4,1,2),(0,2,2),(1,2,2),(2,2,2),(3,2,2),(4,2,2),(0,3,2),(1,3,2),(2,3,2),(3,3,2),(4,3,2)]
          self.assertEqual(60,m.getNumberOfNodes())
 -        for i in xrange(m.getNumberOfNodes()):
 +        for i in range(m.getNumberOfNodes()):
              li.append(m.getLocationFromNodeId(i))
              pass
          self.assertEqual(liExp3D,li)
          li=[]
          liExp2D=[(0,0),(1,0),(2,0),(3,0),(4,0),(0,1),(1,1),(2,1),(3,1),(4,1),(0,2),(1,2),(2,2),(3,2),(4,2),(0,3),(1,3),(2,3),(3,3),(4,3)]
          self.assertEqual(20,m.getNumberOfNodes())
 -        for i in xrange(m.getNumberOfNodes()):
 +        for i in range(m.getNumberOfNodes()):
              li.append(m.getLocationFromNodeId(i))
              pass
          self.assertEqual(liExp2D,li)
          arrX=DataArrayDouble(5) ; arrX.iota()
          m=MEDCouplingCMesh() ; m.setCoords(arrX)
          self.assertEqual(5,m.getNumberOfNodes())
 -        for i in xrange(m.getNumberOfNodes()):
 +        for i in range(m.getNumberOfNodes()):
              self.assertEqual((i,),m.getLocationFromNodeId(i))
              pass
          self.assertRaises(InterpKernelException,m.getLocationFromCellId,5)
          st0=d.repr() ; st1=str(d) ; st2=d.reprNotTooLong()
          self.assertNotEqual(st0,st1) # 1001 tuples ( > 1000) -> str(d)==d.reprNotTooLong()
          self.assertEqual(st1,st2)
 -        self.assertIn(len(st2),xrange(0,1000)) # no more than 1000 characters
 +        self.assertIn(len(st2), list(range(0, 1000)))  # no more than 1000 characters
          ## Now for DataArrayInt
          d=DataArrayInt(2000) ; d.iota() ; d.rearrange(2)
          st0=d.repr() ; st1=str(d) ; st2=d.reprNotTooLong()
          st0=d.repr() ; st1=str(d) ; st2=d.reprNotTooLong()
          self.assertNotEqual(st0,st1) # 1001 tuples ( > 1000) -> str(d)==d.reprNotTooLong()
          self.assertEqual(st1,st2)
 -        self.assertIn(len(st2),xrange(0,1000)) # no more than 1000 characters
 +        self.assertIn(len(st2), list(range(0, 1000)))  # no more than 1000 characters
          pass
  
      def testExtrudedMeshWithoutZipCoords1(self):
          coo=DataArrayDouble([(0,2),(2,0),(6,4),(4,9)])
          m=MEDCoupling1SGTUMesh("mesh",NORM_QUAD4) ; m.setCoords(coo)
          exp3=sqrt(85.)
 -        for delta in xrange(4):
 -            c=[(elt+delta)%4 for elt in xrange(4)]
 +        for delta in range(4):
 +            c = [(elt + delta) % 4 for elt in range(4)]
              m.setNodalConnectivity(DataArrayInt(c))
              self.assertAlmostEqual(m.computeDiameterField().getArray()[0],exp3,12)
              m2=m.buildUnstructured() ; m2.convertLinearCellsToQuadratic(0)
          # QUAD4 - spacedim = 3
          coo=DataArrayDouble([(0.26570992384234871,2.0405889913271817,-0.079134238105786903),(2.3739976619218064,0.15779148692781009,0.021842842914139737),(6.1207841448393197,4.3755532938679655,0.43666375769970678),(3.8363255342943359,9.2521096041694229,0.41551170895942313)])
          m=MEDCoupling1SGTUMesh("mesh",NORM_QUAD4) ; m.setCoords(coo)
 -        for delta in xrange(4):
 -            c=[(elt+delta)%4 for elt in xrange(4)]
 +        for delta in range(4):
 +            c = [(elt + delta) % 4 for elt in range(4)]
              m.setNodalConnectivity(DataArrayInt(c))
              self.assertAlmostEqual(m.computeDiameterField().getArray()[0],exp3,12)
              m2=m.buildUnstructured() ; m2.convertLinearCellsToQuadratic(0)
          m=MEDCoupling1SGTUMesh("mesh",NORM_PENTA6) ; m.setCoords(coo)
          exp4=2.5041256256889888
          self.assertAlmostEqual(exp4,coo.buildEuclidianDistanceDenseMatrix().getMaxValue()[0],12)# <- the definition of diameter
 -        for delta in xrange(3):
 -            c=[(elt+delta)%3 for elt in xrange(3)]
 +        for delta in range(3):
 +            c = [(elt + delta) % 3 for elt in range(3)]
              c+=[elt+3 for elt in c]
              m.setNodalConnectivity(DataArrayInt(c))
              self.assertAlmostEqual(m.computeDiameterField().getArray()[0],exp4,12)
          m=MEDCoupling1SGTUMesh("mesh",NORM_HEXA8) ; m.setCoords(coo)
          exp5=2.5366409441884215
          self.assertAlmostEqual(exp5,coo.buildEuclidianDistanceDenseMatrix().getMaxValue()[0],12)# <- the definition of diameter
 -        for delta in xrange(4):
 -            c=[(elt+delta)%4 for elt in xrange(4)]
 +        for delta in range(4):
 +            c = [(elt + delta) % 4 for elt in range(4)]
              c+=[elt+4 for elt in c]
              m.setNodalConnectivity(DataArrayInt(c))
              self.assertAlmostEqual(m.computeDiameterField().getArray()[0],exp5,12)
          m=MEDCoupling1SGTUMesh("mesh",NORM_PYRA5) ; m.setCoords(coo)
          exp6=2.1558368027391386
          self.assertAlmostEqual(exp6,coo.buildEuclidianDistanceDenseMatrix().getMaxValue()[0],12)# <- the definition of diameter
 -        for delta in xrange(4):
 -            c=[(elt+delta)%4 for elt in xrange(4)]
 +        for delta in range(4):
 +            c = [(elt + delta) % 4 for elt in range(4)]
              c+=[4]
              m.setNodalConnectivity(DataArrayInt(c))
              self.assertAlmostEqual(m.computeDiameterField().getArray()[0],exp6,12)
          m=MEDCoupling1SGTUMesh("mesh",NORM_PYRA5) ; m.setCoords(coo)
          exp7=1.4413563787228953
          self.assertAlmostEqual(exp7,coo.buildEuclidianDistanceDenseMatrix().getMaxValue()[0],12)# <- the definition of diameter
 -        for delta in xrange(4):
 -            c=[(elt+delta)%4 for elt in xrange(4)]
 +        for delta in range(4):
 +            c = [(elt + delta) % 4 for elt in range(4)]
              c+=[4]
              m.setNodalConnectivity(DataArrayInt(c))
              self.assertAlmostEqual(m.computeDiameterField().getArray()[0],exp7,12)
          exp8=1.7131322579364157
          self.assertAlmostEqual(exp8,coo.buildEuclidianDistanceDenseMatrix().getMaxValue()[0],12)# <- the definition of diameter
          for c in [[0,1,2,3],[0,3,2,1],[0,1,3,2],[0,2,3,1],[0,3,1,2],[0,2,1,3]]:
 -            for i in xrange(4):
 +            for i in range(4):
                  m.setNodalConnectivity(DataArrayInt([(elt+i)%4 for elt in c]))
                  self.assertAlmostEqual(m.computeDiameterField().getArray()[0],exp8,12)
                  m2=m.buildUnstructured() ; m2.convertLinearCellsToQuadratic(0)
          self.assertTrue(f3.getArray().isEqual(DataArrayDouble([0,1,2,3]),1e-12))
          pass
  
+     def testVoronoi3D_5(self):
+         """ Cell 0 of Barreau_Elga_V11.rmed and sslv07b.rmed. HEXA8 cut regularly into 8 parts"""
+         coo=DataArrayDouble([(0.024,0.024,1.2),(0.024,0.048,1.2),(0.048,0.024,1.2),(0.048,0.048,1.2),(0.024,0.024,1.6),(0.024,0.048,1.6),(0.048,0.024,1.6),(0.048,0.048,1.6)])
+         m=MEDCouplingUMesh("",3) ; m.setCoords(coo) ; m.allocateCells()
+         m.insertNextCell(NORM_HEXA8,[0,2,6,4,1,3,7,5])
+         f=MEDCouplingFieldDouble(ON_GAUSS_PT) ; f.setMesh(m)
+         f.setGaussLocalizationOnType(NORM_HEXA8,[-1.0, -1.0, -1.0, -1.0, 1.0, -1.0, 1.0, 1.0, -1.0, 1.0, -1.0, -1.0, -1.0, -1.0, 1.0, -1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, -1.0, 1.0],[-0.577350269189626, -0.577350269189626, -0.577350269189626, -0.577350269189626, -0.577350269189626, 0.577350269189626, -0.577350269189626, 0.577350269189626, -0.577350269189626, -0.577350269189626, 0.577350269189626, 0.577350269189626, 0.577350269189626, -0.577350269189626, -0.577350269189626, 0.577350269189626, -0.577350269189626, 0.577350269189626, 0.577350269189626, 0.577350269189626, -0.577350269189626, 0.577350269189626, 0.577350269189626, 0.577350269189626],[1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0])
+         arr=DataArrayDouble(8) ; arr.iota() ; f.setArray(arr)
+         f.checkConsistencyLight()
+         #
+         vol=f.getMesh().getMeasureField(False).getIJ(0,0)
+         f2=f.voronoize(1e-12)
+         f2.checkConsistencyLight()
+         self.assertEqual(f2.getNumberOfTuples(),8)
+         volRef=vol/8
+         self.assertTrue(f2.getMesh().getMeasureField(False).getArray().isUniform(volRef,1e-12))
+         pass
+     def testVoronoi3D_6(self):
+         """ Cell 0 of brokenshire.med (and pace.med). TETRA10 split into 4 parts"""
+         coo=DataArrayDouble([(50.,-50.,200.0),(50.0,-30.,200.0),(30.,-50.,200.0),(50.,-50.,180.0),(50.,-40.,200.0),(40.,-50.,200.0),(50.,-50.,190.0),(40.,-40.,200.0),(50.,-40.,190.0),(40.,-50.,190.0)])
+         m=MEDCouplingUMesh("",3) ; m.setCoords(coo) ; m.allocateCells()
+         m.insertNextCell(NORM_TETRA10,[2,0,1,3,5,4,7,9,6,8])
+         f=MEDCouplingFieldDouble(ON_GAUSS_PT) ; f.setMesh(m)
+         f.setGaussLocalizationOnType(NORM_TETRA10,[0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0.5, 0, 0, 0, 0.5, 0, 0.5, 0.5, 0.5, 0.5, 0, 0.5, 0, 0, 0.5, 0, 0.5],[0.1381966011250105, 0.1381966011250105, 0.1381966011250105, 0.1381966011250105, 0.1381966011250105, 0.5854101966249685, 0.1381966011250105, 0.5854101966249685, 0.1381966011250105, 0.5854101966249685, 0.1381966011250105, 0.1381966011250105],[0.041666666666666664, 0.041666666666666664, 0.041666666666666664, 0.041666666666666664])
+         arr=DataArrayDouble(4) ; arr.iota() ; f.setArray(arr)
+         f.checkConsistencyLight()
+         f2=f.voronoize(1e-12)
+         f2.checkConsistencyLight()
+         self.assertEqual(f2.getNumberOfTuples(),4)
+         arr=f2.getMesh().getMeasureField(False).getArray()
+         self.assertTrue(f2.getMesh().getMeasureField(False).getArray().isEqual(DataArrayDouble([378.0546928833331, 318.42621348333586, 318.4262134833361, 318.4262134833278]),1e-6))
+         pass
+     def testVoronoi3D_7(self):
+         """ sslv07a.rmed. HEXA20 split into 27 parts """
+         coo=DataArrayDouble([(-0.5,-0.5,0.0),(-0.25,-0.5,0.0),(0.0,-0.5,0.0),(-0.5,0.0,0.0),(-0.5,-0.25,0.0),(0.0,0.0,0.0),(0.0,-0.25,0.0),(-0.25,0.0,0.0),(-0.5,-0.5,1.0),(-0.25,-0.5,1.0),(0.0,-0.5,1.0),(0.0,-0.25,1.0),(0.0,0.0,1.0),(-0.25,0.0,1.0),(-0.5,0.0,1.0),(-0.5,-0.25,1.0),(-0.5,-0.5,0.5),(0.0,-0.5,0.5),(0.0,0.0,0.5),(-0.5,0.0,0.5)])
+         m=MEDCouplingUMesh("",3) ; m.setCoords(coo) ; m.allocateCells()
+         m.insertNextCell(NORM_HEXA20,[0,3,5,2,8,14,12,10,4,7,6,1,15,13,11,9,16,19,18,17])
+         f=MEDCouplingFieldDouble(ON_GAUSS_PT) ; f.setMesh(m)
+         f.setGaussLocalizationOnType(NORM_HEXA20,
+                                      [-1,-1,-1,-1,1,-1,1,1,-1,1,-1,-1,-1,-1,1,-1,1,1,1,1,1,1,-1,1,-1,0,-1,0,1,-1,1,0,-1,0,-1,-1,-1,0,1,0,1,1,1,0,1,0,-1,1,-1,-1,0,-1,1,0,1,1,0,1,-1,0],
+                                      [-0.774597,-0.774597,-0.774597,-0.774597,-0.774597,0,-0.774597,-0.774597,0.774597,-0.774597,0,-0.774597,-0.774597,0,0,-0.774597,0,0.774597,-0.774597,0.774597,-0.774597,-0.774597,0.774597,0,-0.774597,0.774597,0.774597,0,-0.774597,-0.774597,0,-0.774597,0,0,-0.774597,0.774597,0,0,-0.774597,0,0,0,0,0,0.774597,0,0.774597,-0.774597,0,0.774597,0,0,0.774597,0.774597,0.774597,-0.774597,-0.774597,0.774597,-0.774597,0,0.774597,-0.774597,0.774597,0.774597,0,-0.774597,0.774597,0,0,0.774597,0,0.774597,0.774597,0.774597,-0.774597,0.774597,0.774597,0,0.774597,0.774597,0.774597],
+                                      [0.171468,0.274348,0.171468,0.274348,0.438957,0.274348,0.171468,0.274348,0.171468,0.274348,0.438957,0.274348,0.438957,0.702332,0.438957,0.274348,0.438957,0.274348,0.171468,0.274348,0.171468,0.274348,0.438957,0.274348,0.171468,0.274348,0.171468])
+         arr=DataArrayDouble(27) ; arr.iota() ; f.setArray(arr)
+         f.checkConsistencyLight()
+         f2=f.voronoize(1e-12)
+         a=0.007187820185770747 ; b=0.0090870678008658 ; c=0.011488156225861077 ; d=0.014523687548277797
+         ref=DataArrayDouble(27) ; ref[::2]=a ; ref[1::2]=b
+         ref[[4,10,12,14,16,22]]=c ; ref[13]=d  # 6 cells 4,10,12,14,16,22 are the 6 cells boarding the most inner cell 13
+         #
+         self.assertTrue(f2.getMesh().getMeasureField(False).getArray().isEqual(ref,1e-7))
+         pass
      def testConvertQuadToLin4Gauss_1(self):
          coo=DataArrayDouble([0.0,1.0,0.0,0.0,0.0,0.0,0.0,0.0,1.0,1.0,0.0,0.0,0.0,0.5,0.0,0.0,0.0,0.5,0.0,0.5,0.5,0.5,0.5,0.0,0.5,0.0,0.0,0.5,0.0,0.5],10,3)
          m=MEDCouplingUMesh("mesh",3)
          self.assertEqual(f2.getTime(),[1.,2,3])
          pass
  
 -    def testBugInComputationOfEqOfPlane1(self):
 -        coo=DataArrayDouble([-1.0, 1.0, -0.3872983455657959, -1.0, 1.0, 0.3872983455657959, -1.0, 1.0, 0.693649172782898, 1.0, 1.0, 0.693649172782898, 1.0, 1.0, 0.3872983455657959, 1.0, 1.0, -0.3872983455657959],6,3)
 -        m=MEDCouplingUMesh("",2)
 -        m.setCoords(coo)
 -        m.allocateCells()
 -        m.insertNextCell(NORM_POLYGON,[0,1,2,3,4,5])
 -        self.assertTrue(m.computePlaneEquationOf3DFaces().isEqual(DataArrayDouble([0,1,0,-1],1,4),1e-12))
 +    def testDADCumSum1(self):
 +        d=DataArrayDouble([3.,2.,4.,5.])
 +        self.assertTrue(d.cumSum().isEqual(DataArrayDouble([0.,3.,5.,9.,14.]),1e-12))
 +        d2=DataArrayDouble([])
 +        self.assertTrue(d2.cumSum().isEqual(DataArrayDouble([0.]),1e-12))
 +        d.rearrange(2)
 +        self.assertRaises(InterpKernelException,d.cumSum)
 +        pass
 +
 +    def testDAIFromLinkedListOfPairToList1(self):
 +        d=DataArrayInt([(5,7),(7,3),(3,12),(12,17)])
 +        zeRes=DataArrayInt([5,7,3,12,17])
 +        self.assertTrue(d.fromLinkedListOfPairToList().isEqual(zeRes))
 +        d.rearrange(1)
 +        self.assertRaises(InterpKernelException,d.fromLinkedListOfPairToList)
 +        d.rearrange(2)
 +        self.assertTrue(d.fromLinkedListOfPairToList().isEqual(zeRes))
 +        d2=DataArrayInt([(5,7)])
 +        self.assertTrue(d2.fromLinkedListOfPairToList().isEqual(DataArrayInt([5,7])))
 +        d3=DataArrayInt([(5,7),(7,3),(4,12),(12,17)])
 +        self.assertRaises(InterpKernelException,d3.fromLinkedListOfPairToList) # not a linked list of pair
 +        d4=DataArrayInt([(5,7),(7,3),(12,3),(12,17)])
 +        self.assertRaises(InterpKernelException,d4.fromLinkedListOfPairToList) # not a linked list of pair, but can be repaired !
 +        d4.sortEachPairToMakeALinkedList()
 +        self.assertTrue(d4.fromLinkedListOfPairToList().isEqual(zeRes))
 +        pass
 +
 +    def testUMeshExplodeIntoEdges1(self):
 +        m=MEDCouplingCMesh() ; arr=DataArrayDouble(5) ; arr.iota() ; m.setCoords(arr,arr,arr) ; m=m.buildUnstructured()
 +        self.assertEqual(m.getMeshDimension(),3)
 +        a0,a1,a2,a3,a4=m.explodeIntoEdges()
 +        b0,b1,b2,b3,b4=m.explode3DMeshTo1D()
 +        self.assertTrue(a0.isEqual(b0,1e-12))
 +        self.assertTrue(a1.isEqual(b1)) ; self.assertTrue(a2.isEqual(b2)) ; self.assertTrue(a3.isEqual(b3)) ; self.assertTrue(a4.isEqual(b4))
 +        #
 +        m=MEDCouplingCMesh() ; arr=DataArrayDouble(5) ; arr.iota() ; m.setCoords(arr,arr) ; m=m.buildUnstructured()
 +        self.assertEqual(m.getMeshDimension(),2)
 +        a0,a1,a2,a3,a4=m.explodeIntoEdges()
 +        b0,b1,b2,b3,b4=m.buildDescendingConnectivity()
 +        self.assertTrue(a0.isEqual(b0,1e-12))
 +        self.assertTrue(a1.isEqual(b1)) ; self.assertTrue(a2.isEqual(b2)) ; self.assertTrue(a3.isEqual(b3)) ; self.assertTrue(a4.isEqual(b4))
 +        pass
 +
 +    def testUMeshComputeEnlargedNeighborsOfNodes(self):
 +        m=MEDCouplingCMesh() ; arr=DataArrayDouble(4) ; arr.iota() ; m.setCoords(arr,arr) ; m=m.buildUnstructured()
 +        a,b=m.computeEnlargedNeighborsOfNodes()
 +        self.assertTrue(a.isEqual(DataArrayInt([1,4,5,0,2,4,5,6,1,3,5,6,7,2,6,7,0,1,5,8,9,0,1,2,4,6,8,9,10,1,2,3,5,7,9,10,11,2,3,6,10,11,4,5,9,12,13,4,5,6,8,10,12,13,14,5,6,7,9,11,13,14,15,6,7,10,14,15,8,9,13,8,9,10,12,14,9,10,11,13,15,10,11,14])))
 +        self.assertTrue(b.isEqual(DataArrayInt([0,3,8,13,16,21,29,37,42,47,55,63,68,71,76,81,84])))
 +        pass
 +
 +    def testDAIfindIdsExt1(self):
 +        d=DataArrayInt([4,6,-2,3,7,0,10])
 +        self.assertTrue(d.findIdsGreaterOrEqualTo(3).isEqual(DataArrayInt([0,1,3,4,6])))
 +        self.assertTrue(d.findIdsGreaterThan(3).isEqual(DataArrayInt([0,1,4,6])))
 +        self.assertTrue(d.findIdsLowerThan(3).isEqual(DataArrayInt([2,5])))
 +        self.assertTrue(d.findIdsLowerOrEqualTo(3).isEqual(DataArrayInt([2,3,5])))
 +        pass
 +
 +    def testDAFacto1(self):
 +        """Test focused of new wrapped methods for MEDCouplingFieldInt thanks to code factorization."""
 +        d=DataArrayDouble(7) ; d.iota()
 +        m=MEDCouplingUMesh.Build1DMeshFromCoords(d)
 +        f=MEDCouplingFieldInt(ON_CELLS) ; f.setMesh(m) ; arr=DataArrayInt(6) ; arr.iota() ; f.setArray(arr) ; f.checkConsistencyLight()
 +        f_0=f[::2] # test is here
 +        self.assertTrue(f_0.getArray().isEqual(DataArrayInt([0,2,4])))
 +        self.assertTrue(f_0.getMesh().isEqual(m[[0,2,4]],1e-12))
 +        #
 +        f2=MEDCouplingFieldInt(ON_NODES) ; f2.setMesh(m) ; arr=DataArrayInt(7) ; arr.iota() ; f2.setArray(arr) ; f2.checkConsistencyLight()
 +        f_1=f2[::2] # test is here
 +        self.assertTrue(f_1.getArray().isEqual(DataArrayInt([0,1,2,3,4,5])))
 +        m_1=m[[0,2,4]] ; m_1.zipCoords()
 +        self.assertTrue(f_1.getMesh().isEqual(m_1,1e-12))
 +        pass
 +
 +    def testFieldFloatIsOnStage1(self):
 +        """ My first test with field int."""
 +        m=MEDCouplingCMesh()
 +        m.setName("mesh")
 +        arrX=DataArrayDouble([0,1,2,3])
 +        m.setCoords(arrX,arrX)
 +        f=MEDCouplingFieldFloat(ON_CELLS)
 +        f.setMesh(m)
 +        arr=DataArrayFloat(8) ; arr.iota() ;f.setArray(arr)
 +        self.assertRaises(InterpKernelException,f.checkConsistencyLight)
 +        arr=DataArrayFloat(9) ; arr.iota() ;f.setArray(arr)
 +        f.checkConsistencyLight()
 +        f.setTimeUnit("ms")
 +        self.assertEqual(f.getTimeUnit(),"ms")
 +        f.setTime(3.2,5,6)
 +        a,b,c=f.getTime()
 +        self.assertEqual(b,5)
 +        self.assertEqual(c,6)
 +        self.assertEqual(a,3.2,12)
 +        pass
 +
 +    def testFieldFloatIsOnStage2(self):
 +        """ Very important test to check that isEqual of MEDCouplingFieldFloat is OK !"""
 +        m1=MEDCouplingCMesh() ; m1.setCoords(DataArrayDouble([0,1,2,3]),DataArrayDouble([0,1,2,3,4]))
 +        m1=m1.buildUnstructured() ; m1.setName("mesh")
 +        f1=MEDCouplingFieldFloat(ON_CELLS) ; f1.setMesh(m1)
 +        arr1=DataArrayFloat([(0,1),(2,3),(4,5),(6,7),(8,9),(10,11),(12,13),(14,15),(16,17),(18,19),(20,21),(22,23)]) ; arr1.setInfoOnComponents(["aa","bbb"])
 +        f1.setArray(arr1) ; f1.setName("f1") ; f1.setTime(2.,3,4)
 +        #
 +        m2=MEDCouplingCMesh() ; m2.setCoords(DataArrayDouble([0,1,2,3]),DataArrayDouble([0,1,2,3,4]))
 +        m2=m2.buildUnstructured() ; m2.setName("mesh")
 +        f2=MEDCouplingFieldFloat(ON_CELLS) ; f2.setMesh(m2)
 +        arr2=DataArrayFloat([(0,1),(2,3),(4,5),(6,7),(8,9),(10,11),(12,13),(14,15),(16,17),(18,19),(20,21),(22,23)]) ; arr2.setInfoOnComponents(["aa","bbb"])
 +        f2.setArray(arr2) ; f2.setName("f1") ; f2.setTime(2.,3,4)
 +        #
 +        self.assertTrue(f1.isEqual(f2,1e-12,0.))
 +        f1.getArray()[:]*=2
 +        self.assertTrue(not f1.isEqual(f2,1e-12,0.))
 +        self.assertTrue(not f1.isEqualWithoutConsideringStr(f2,1e-12,0.))
 +        f1.getArray()[:]/=2
 +        self.assertTrue(f1.isEqual(f2,1e-12,0.))
 +        #
 +        f1.setName("F1")
 +        self.assertTrue(not f1.isEqual(f2,1e-12,0.))
 +        f1.setName("f1")
 +        self.assertTrue(f1.isEqual(f2,1e-12,0.))
 +        #
 +        f1.getArray().setInfoOnComponents(["aa","bbbb"])
 +        self.assertTrue(not f1.isEqual(f2,1e-12,0.))
 +        self.assertTrue(f1.isEqualWithoutConsideringStr(f2,1e-12,0.))
 +        f1.getArray().setInfoOnComponents(["aa","bbb"])
 +        self.assertTrue(f1.isEqual(f2,1e-12,0.))
 +        #
 +        f3=f2.deepCopy()
 +        self.assertTrue(f1.isEqual(f3,1e-12,0.))
 +        #
 +        for fd,expected in ((ON_NODES,False),(ON_CELLS,True)):
 +            f4=MEDCouplingFieldFloat(fd) ; f4.setMesh(m2) ; f4.setTime(2.,3,4)
 +            arr4=DataArrayFloat([(0,1),(2,3),(4,5),(6,7),(8,9),(10,11),(12,13),(14,15),(16,17),(18,19),(20,21),(22,23)]) ; arr4.setInfoOnComponents(["aa","bbb"])
 +            f4.setArray(arr4) ; f4.setName("f1")
 +            self.assertEqual(f1.isEqual(f4,1e-12,0.),expected)
 +            pass
 +        pass
 +
 +    def testLTGTDAD1(self):
 +        d=DataArrayDouble(10) ; d.iota()
 +        self.assertTrue(d.findIdsLowerThan(0).empty())
 +        self.assertTrue(d.findIdsLowerThan(1).isEqual(DataArrayInt([0])))
 +        d-=5.
 +        self.assertTrue(d.findIdsStrictlyNegative().isEqual(DataArrayInt([0,1,2,3,4])))
 +        self.assertTrue(d.findIdsGreaterThan(0.).isEqual(DataArrayInt([6,7,8,9])))
 +        self.assertTrue(d.convertToFloatArr().isEqual(DataArrayFloat([-5,-4,-3,-2,-1,0,1,2,3,4]),1e-7))
 +        self.assertTrue(d.convertToFloatArr().convertToDblArr().isEqual(d,1e-12))
 +        pass
 +
 +    def testMapII1(self):
 +        """ Test optimized maps for renumbering. Typical usage local to global in parallel mode"""
 +        d=DataArrayInt([1003,1007])
 +        m=d.invertArrayN2O2O2NOptimized()
 +        d2=DataArrayInt([1003,1003,1007,1003,1007])
 +        d2.transformWithIndArr(m)
 +        self.assertTrue(d2.isEqual(DataArrayInt([0,0,1,0,1])))
 +        pass
 +
 +    def testDAICheckUniformAndGuess1(self):
 +        d=DataArrayInt([3,3],1,2)
 +        self.assertRaises(InterpKernelException,d.checkUniformAndGuess)# non single compo
 +        d=DataArrayInt([])
 +        self.assertRaises(InterpKernelException,d.checkUniformAndGuess)# empty
 +        d=DataArrayInt()
 +        self.assertRaises(InterpKernelException,d.checkUniformAndGuess)# non allocated
 +        d=DataArrayInt([3,3,3])
 +        self.assertEqual(3,d.checkUniformAndGuess())
 +        d=DataArrayInt([7])
 +        self.assertEqual(7,d.checkUniformAndGuess())
 +        d=DataArrayInt([3,4,3])
 +        self.assertRaises(InterpKernelException,d.checkUniformAndGuess)# non uniform
 +        pass
 +
 +    def testUMComputePlaneEquationOf3DFaces1(self):
 +        """ Consequence of an invalid traduction of matrix inversion transposition."""
 +        m=MEDCoupling1SGTUMesh("msh",NORM_QUAD4)
 +        m.setCoords(DataArrayDouble([(0,0,0),(1,0,0),(2,0,0),(0,2,0),(1,2,0),(2,2,0),(0,4,0),(1,4,0),(2,4,0),(0,0,3),(1,0,3),(2,0,3),(0,2,3),(1,2,3),(2,2,3),(0,4,3),(1,4,3),(2,4,3)]))
 +        m.setNodalConnectivity(DataArrayInt([0,1,4,3,9,12,13,10,0,9,10,1,1,10,13,4,4,13,12,3,3,12,9,0,1,2,5,4,10,13,14,11,1,10,11,2,2,11,14,5,5,14,13,4,3,4,7,6,12,15,16,13,4,13,16,7,7,16,15,6,6,15,12,3,4,5,8,7,13,16,17,14,5,14,17,8,8,17,16,7]))
 +        m=m.buildUnstructured()
 +        ref=DataArrayDouble([(0,0,1,0),(0,0,1,-3),(0,1,0,0),(1,0,0,-1),(0,1,0,-2),(1,0,0,0),(0,0,1,0),(0,0,1,-3),(0,1,0,0),(1,0,0,-2),(0,1,0,-2),(0,0,1,0),(0,0,1,-3),(1,0,0,-1),(0,1,0,-4),(1,0,0,0),(0,0,1,0),(0,0,1,-3),(1,0,0,-2),(0,1,0,-4)])
 +        res=m.computePlaneEquationOf3DFaces()
 +        self.assertTrue(res.isEqual(ref,1e-12))
          pass
      
      pass
index 8536b2a1d5641307ab6040c544c574cf08d8fce1,c1c0156919e9054f255e9fc61c45a9dcb3e6062a..4dce1b328aac0317ea9fa7ab97458e241e473a7a
@@@ -17,7 -17,7 +17,7 @@@
  #
  # See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  #
 -# Author : Anthony Geay (CEA/DEN)
 +# Author : Anthony Geay (EDF R&D)
  
  from MEDLoader import *
  import unittest
@@@ -26,12 -26,6 +26,12 @@@ from math import pi,e,sqr
  from MEDLoaderDataForTest import MEDLoaderDataForTest
  from distutils.version import LooseVersion
  
 +import sys
 +if sys.version_info.major < 3:
 +    import cPickle as pickle
 +else:
 +    import pickle
 +
  class MEDLoaderTest3(unittest.TestCase):
      def testMEDMesh1(self):
          fileName="Pyfile18.med"
          g1_2=DataArrayInt.New()
          g1_2.setValues([1,3],2,1)
          g1_2.setName("G1")
--        g2_2=DataArrayInt.New()
++        g2_2=DataArrayInt.New()getCellsContainingPoint
          g2_2.setValues([1,2,3],3,1)
          g2_2.setName("G2")
          mm.setGroupsAtLevel(0,[g1_2,g2_2],False)
          g2_1.setName("G2")
          mm.setGroupsAtLevel(-1,[g1_1,g2_1],False)
          g1_N=DataArrayInt.New()
 -        g1_N.setValues(range(8),8,1)
 +        g1_N.setValues(list(range(8)),8,1)
          g1_N.setName("G1")
          g2_N=DataArrayInt.New()
 -        g2_N.setValues(range(9),9,1)
 +        g2_N.setValues(list(range(9)),9,1)
          g2_N.setName("G2")
          mm.setGroupsAtLevel(1,[g1_N,g2_N],False)
          mm.createGroupOnAll(0,"GrpOnAllCell")
          self.assertTrue(g2_N.isEqual(t));
          self.assertTrue(mm.existsGroup("GrpOnAllCell"));
          t=mm.getGroupArr(0,"GrpOnAllCell")
 -        self.assertTrue(t.getValues()==range(5))
 +        self.assertTrue(t.getValues()==list(range(5)))
          #
          mmCpy=mm.deepCopy()
          self.assertTrue(mm.isEqual(mmCpy,1e-12)[0]) ; del mm
          self.assertTrue(not mm2.existsFamily("Family_-8"))
          mm2.createGroupOnAll(-1,"GrpOnAllFace")
          self.assertTrue(mm2.existsFamily("Family_-8"))
 -        self.assertEqual(range(3),mm2.getGroupArr(-1,"GrpOnAllFace").getValues())
 +        self.assertEqual(list(range(3)),mm2.getGroupArr(-1,"GrpOnAllFace").getValues())
          pass
  
      #testing persistence of retrieved arrays
          m.setRenumFieldArr(-1,n1)
          m.setRenumFieldArr(-2,n0)
          nbOfFams=len(fns)
 -        for i in xrange(nbOfFams):
 +        for i in range(nbOfFams):
              m.addFamily(fns[i],fids[i])
              pass
          nbOfGrps=len(grpns)
 -        for i in xrange(nbOfGrps):
 +        for i in range(nbOfGrps):
              m.setFamiliesIdsOnGroup(grpns[i],famIdsPerGrp[i])
              pass
          m.setName(m2.getName())
          m1=MEDLoaderDataForTest.build2DMesh_1()
          m1.renumberCells([0,1,4,2,3,5],False)
          tmp=m1.getName();
 -        m1=m1.buildPartOfMySelf(range(5),True) ; m1.setName(tmp) # suppression of last cell that is a polygon
 +        m1=m1.buildPartOfMySelf(list(range(5)),True) ; m1.setName(tmp) # suppression of last cell that is a polygon
          mm1=MEDFileUMesh.New() ; mm1.setCoords(m1.getCoords()) ; mm1.setMeshAtLevel(0,m1) ;
          mm1.write(fname,2)
          ff1=MEDFileField1TS.New()
          m1=MEDLoaderDataForTest.build2DMesh_1()
          m1.renumberCells([0,1,4,2,3,5],False)
          tmp=m1.getName();
 -        m1=m1.buildPartOfMySelf(range(5),True) ; m1.setName(tmp) # suppression of last cell that is a polygon
 +        m1=m1.buildPartOfMySelf(list(range(5)),True) ; m1.setName(tmp) # suppression of last cell that is a polygon
          mm1=MEDFileUMesh.New() ; mm1.setCoords(m1.getCoords()) ; mm1.setMeshAtLevel(0,m1) ;
          mm1.write(fname,2)
          ff1=MEDFileFieldMultiTS.New()
          da=DataArrayInt.New(); da.setValues([0,1,3,4,6],5,1) ; da.setName("sup1NodeElt")
          #
          ff1.setFieldProfile(f1,mm1,0,da)
 -        m1=m0.buildPartOfMySelf(range(5),True) ; m1.setName(tmp) ; mm1.setMeshAtLevel(0,m1) ;
 +        m1=m0.buildPartOfMySelf(list(range(5)),True) ; m1.setName(tmp) ; mm1.setMeshAtLevel(0,m1) ;
          mm1.write(fname,2)
          ff1.write(fname,0)
          f1=ff1.getFieldOnMeshAtLevel(ON_GAUSS_NE,m1,0)
          expected1=[1.,10.,100.,2.,20.,200.]
          nodeCoordsWithValue1=[10.,2.5,0.]
          nodeCoordsWithValue2=[10.,3.75,0.]
 -        for i in xrange(3):
 +        for i in range(3):
              self.assertAlmostEqual(nodeCoordsWithValue1[i],tes0.getMesh().getCoordinatesOfNode(0)[i],13);
              self.assertAlmostEqual(nodeCoordsWithValue2[i],tes0.getMesh().getCoordinatesOfNode(1)[i],13);
              pass
 -        for i in xrange(6):
 +        for i in range(6):
              self.assertAlmostEqual(expected1[i],tes0.getArray().getIJ(0,i),13);
              pass
          del tes0
          self.assertEqual([0,2,4],tes1.getMesh().getNodalConnectivityIndex().getValues())
          self.assertEqual(2,tes1.getArray().getNumberOfTuples())
          self.assertEqual(3,tes1.getArray().getNumberOfComponents())
 -        for i in xrange(6):
 +        for i in range(6):
              self.assertAlmostEqual(expected1[i],tes1.getArray().getIJ(0,i),13);
              pass
          m.write(fname,2)
          self.assertEqual(2,tes2.getArray().getNumberOfTuples())
          self.assertEqual(3,tes2.getArray().getNumberOfComponents())
          expected2=[2.,20.,200.,1.,10.,100.]
 -        for i in xrange(3):
 +        for i in range(3):
              self.assertAlmostEqual(nodeCoordsWithValue1[i],tes2.getMesh().getCoordinatesOfNode(0)[i],13);
              self.assertAlmostEqual(nodeCoordsWithValue2[i],tes2.getMesh().getCoordinatesOfNode(1)[i],13);
              pass
 -        for i in xrange(6):
 +        for i in range(6):
              self.assertAlmostEqual(expected2[i],tes2.getArray().getIJ(0,i),13);#compare tes2 and tes3
              pass
          #
          self.assertEqual([0,2,4],tes3.getMesh().getNodalConnectivityIndex().getValues())
          self.assertEqual(2,tes3.getArray().getNumberOfTuples())
          self.assertEqual(3,tes3.getArray().getNumberOfComponents())
 -        for i in xrange(6):
 +        for i in range(6):
              self.assertAlmostEqual(expected1[i],tes3.getArray().getIJ(0,i),13);
              pass
          pass
          coords=DataArrayDouble([0.,0.,0.,1.,1.,1.,1.,0.,0.,0.5,0.5,1.,1.,0.5,0.5,0.],8,2)
          mQ8=MEDCouplingUMesh("",2) ; mQ8.setCoords(coords)
          mQ8.allocateCells(1)
 -        mQ8.insertNextCell(NORM_QUAD8,range(8))
 +        mQ8.insertNextCell(NORM_QUAD8,list(range(8)))
          mQ8.finishInsertingCells()
          mQ4=MEDCouplingUMesh("",2) ; mQ4.setCoords(coords)
          mQ4.allocateCells(1)
 -        mQ4.insertNextCell(NORM_QUAD4,range(4))
 +        mQ4.insertNextCell(NORM_QUAD4,list(range(4)))
          mQ4.finishInsertingCells()
          mT3=MEDCouplingUMesh("",2) ; mT3.setCoords(coords)
          mT3.allocateCells(1)
 -        mT3.insertNextCell(NORM_TRI3,range(3))
 +        mT3.insertNextCell(NORM_TRI3,list(range(3)))
          mT3.finishInsertingCells()
          
          tr=[[0.,4.],[2.,4.],[4.,4.],[6.,4.],[8.,4.],[10.,4.],[12.,4.],[14.,4.],[16.,4.],[18.,4.],[20.,4.],[0.,0.],[2.,0.], [0.,2.],[2.,2.],[4.,2.],[6.,2.],[8.,2.],[10.,2.],[12.,2.]]
          mm.write(fname,2)
          #
          f1ts=MEDFileField1TS.New()
 -        pfl=DataArrayInt(range(13)) ; pfl.setName("pfl")
 +        pfl=DataArrayInt(list(range(13))) ; pfl.setName("pfl")
          self.assertRaises(InterpKernelException,f1ts.setFieldProfile,fInvalid,mm,0,pfl) # fails because no Gauss localization per cell set !
          self.assertRaises(InterpKernelException,f1ts.setFieldProfile,fInvalid2,mm,0,pfl) # fails because no Gauss localization set whereas gauss locid per cell given !
          f1ts.setFieldProfile(f,mm,0,pfl)
          m1=MEDCouplingUMesh(m0.getName(),1)
          m1.allocateCells(9)
          conn1=[0,1,0,3,3,4,4,1,5,4,2,4,1,2,3,6,5,8]
 -        for i in xrange(9):
 +        for i in range(9):
              m1.insertNextCell(NORM_SEG2,conn1[2*i:2*i+2])
              pass
          m1.finishInsertingCells()
          m1=MEDCouplingUMesh(m0.getName(),1)
          m1.allocateCells(9)
          conn1=[0,1,0,3,3,4,4,1,5,4,2,4,1,2,3,6,5,8]
 -        for i in xrange(9):
 +        for i in range(9):
              m1.insertNextCell(NORM_SEG2,conn1[2*i:2*i+2])
              pass
          m1.finishInsertingCells()
          m=MEDFileUMesh()
          coo=DataArrayDouble(9) ; coo.iota(1.) ; coo.rearrange(3) ; coo.setInfoOnComponents(["aaa [b]","cc [dd]", "e [fff]"])
          m0=MEDCouplingUMesh("toto",2) ; m0.allocateCells(0)
 -        for i in xrange(7):
 +        for i in range(7):
              m0.insertNextCell(NORM_TRI3,[1,2,1])
              pass
 -        for i in xrange(4):
 +        for i in range(4):
              m0.insertNextCell(NORM_QUAD4,[1,1,2,0])
              pass
 -        for i in xrange(2):
 +        for i in range(2):
              m0.insertNextCell(NORM_POLYGON,[0,0,1,1,2,2])
              pass
          m1=MEDCouplingUMesh("toto",1) ; m1.allocateCells(0) ; m1.insertNextCell(NORM_SEG2,[1,6]) ; m1.insertNextCell(NORM_SEG2,[7,3])
          m=m.buildUnstructured()
          m.setName("mm")
          f=m.getMeasureField(False)
 -        self.assertIn(m.getHeapMemorySize(),xrange(3552-100,3552+100+4*strMulFac))
 -        self.assertIn(f.getHeapMemorySize(),xrange(4215-100,4215+100+8*strMulFac))
 +        self.assertIn(m.getHeapMemorySize(), list(range(3552 - 100, 3552 + 100 + 4 * strMulFac)))
 +        self.assertIn(f.getHeapMemorySize(), list(range(4215 - 100, 4215 + 100 + 8 * strMulFac)))
          #
          mm=MEDFileUMesh()
          mm.setMeshAtLevel(0,m)
 -        self.assertIn(mm.getHeapMemorySize(),xrange(3889-100,4225+100+10*strMulFac))
 +        self.assertIn(mm.getHeapMemorySize(), list(range(3889 - 100, 4225 + 100 + 10 * strMulFac)))
          ff=MEDFileField1TS()
          ff.setFieldNoProfileSBT(f)
 -        self.assertIn(ff.getHeapMemorySize(),xrange(771-40,871+21+(4+1)*strMulFac))
 +        self.assertIn(ff.getHeapMemorySize(), list(range(771 - 40, 871 + 21 + (4 + 1) * strMulFac)))
          #
          fff=MEDFileFieldMultiTS()
          fff.appendFieldNoProfileSBT(f)
 -        self.assertIn(fff.getHeapMemorySize(),xrange(815-50,915+30+(6+2)*strMulFac))
 +        self.assertIn(fff.getHeapMemorySize(), list(range(815 - 50, 915 + 30 + (6 + 2) * strMulFac)))
          f.setTime(1.,0,-1)
          fff.appendFieldNoProfileSBT(f)
 -        self.assertIn(fff.getHeapMemorySize(),xrange(1594-90,1794+50+(10+1)*strMulFac))
 -        self.assertIn(fff[0,-1].getHeapMemorySize(),xrange(771-40,871+20+(4+1)*strMulFac))
 +        self.assertIn(fff.getHeapMemorySize(), list(range(1594 - 90, 1794 + 50 + (10 + 1) * strMulFac)))
 +        self.assertIn(fff[0, -1].getHeapMemorySize(), list(range(771 - 40, 871 + 20 + (4 + 1) * strMulFac)))
          f2=f[:50]
          f2.setTime(2.,1,-1)
          pfl=DataArrayInt.Range(0,50,1) ; pfl.setName("pfl")
          fff.appendFieldProfile(f2,mm,0,pfl)
 -        self.assertIn(fff.getHeapMemorySize(),xrange(2348-130,2608+100+(10+2)*strMulFac))
 -        self.assertIn(fff.getProfile("pfl").getHeapMemorySize(),xrange(204-10,204+10+2*strMulFac))
 -        self.assertIn(fff[1,-1].getHeapMemorySize(),xrange(738-50,838+30+4*strMulFac))
 +        self.assertIn(fff.getHeapMemorySize(), list(range(2348 - 130, 2608 + 100 + (10 + 2) * strMulFac)))
 +        self.assertIn(fff.getProfile("pfl").getHeapMemorySize(), list(range(204 - 10, 204 + 10 + 2 * strMulFac)))
 +        self.assertIn(fff[1, -1].getHeapMemorySize(), list(range(738 - 50, 838 + 30 + 4 * strMulFac)))
          pass
  
      def testCurveLinearMesh1(self):
          mm.setMeshAtLevel(0,m)
          mm.setMeshAtLevel(-1,m1)
          namesCellL0=DataArrayAsciiChar(6,16)
 -        namesCellL0[:]=["CellL0#%.3d      "%(i) for i in xrange(6)]
 +        namesCellL0[:] = ["CellL0#%.3d      " % (i) for i in range(6)]
          mm.setNameFieldAtLevel(0,namesCellL0)
          namesCellL1=DataArrayAsciiChar.Aggregate([namesCellL0,namesCellL0,namesCellL0.subArray(2)])
 -        namesCellL1[:]=["CellLM1#%.3d     "%(i) for i in xrange(16)]
 +        namesCellL1[:] = ["CellLM1#%.3d     " % (i) for i in range(16)]
          mm.setNameFieldAtLevel(-1,namesCellL1)
          namesNodes=namesCellL1.subArray(4,16)
 -        namesNodes[:]=["Node#%.3d        "%(i) for i in xrange(12)]
 +        namesNodes[:] = ["Node#%.3d        " % (i) for i in range(12)]
          mm.setNameFieldAtLevel(1,namesNodes)
          mm.write(fname,2)
          #
          mmr=MEDFileMesh.New(fname)
 -        self.assertTrue(mm.getNameFieldAtLevel(0).isEqual(DataArrayAsciiChar(["CellL0#%.3d      "%(i) for i in xrange(6)])))
 -        self.assertTrue(mm.getNameFieldAtLevel(-1).isEqual(DataArrayAsciiChar(["CellLM1#%.3d     "%(i) for i in xrange(16)])))
 -        self.assertTrue(mm.getNameFieldAtLevel(1).isEqual(DataArrayAsciiChar(["Node#%.3d        "%(i) for i in xrange(12)])))
 +        self.assertTrue(mm.getNameFieldAtLevel(0).isEqual(DataArrayAsciiChar(["CellL0#%.3d      " % (i) for i in range(6)])))
 +        self.assertTrue(mm.getNameFieldAtLevel(-1).isEqual(DataArrayAsciiChar(["CellLM1#%.3d     " % (i) for i in range(16)])))
 +        self.assertTrue(mm.getNameFieldAtLevel(1).isEqual(DataArrayAsciiChar(["Node#%.3d        " % (i) for i in range(12)])))
          self.assertTrue(mm.isEqual(mmr,1e-12)[0])
          mmr.getNameFieldAtLevel(1).setIJ(0,0,'M')
          self.assertTrue(not mm.isEqual(mmr,1e-12)[0])
          mm.write(fname,2)
          mmr=MEDFileMesh.New(fname)
          self.assertEqual(mmr.getNameFieldAtLevel(1),None)
 -        self.assertTrue(mmr.getNameFieldAtLevel(0).isEqual(DataArrayAsciiChar(["CellL0#%.3d      "%(i) for i in xrange(6)])))
 +        self.assertTrue(mmr.getNameFieldAtLevel(0).isEqual(DataArrayAsciiChar(["CellL0#%.3d      " % (i) for i in range(6)])))
          self.assertEqual(mmr.getNameFieldAtLevel(-1),None)
          #
          c=MEDCouplingCMesh()
          c.setName("cmesh")
          cc=MEDFileCMesh()
          cc.setMesh(c)
 -        cc.setNameFieldAtLevel(0,DataArrayAsciiChar(["Cell#%.3d        "%(i) for i in xrange(4)]))
 -        cc.setNameFieldAtLevel(1,DataArrayAsciiChar(["Node#%.3d        "%(i) for i in xrange(9)]))
 +        cc.setNameFieldAtLevel(0, DataArrayAsciiChar(["Cell#%.3d        " % (i) for i in range(4)]))
 +        cc.setNameFieldAtLevel(1, DataArrayAsciiChar(["Node#%.3d        " % (i) for i in range(9)]))
          cc.write(fname2,2)
          ccr=MEDFileMesh.New(fname2)
 -        self.assertTrue(ccr.getNameFieldAtLevel(0).isEqual(DataArrayAsciiChar(["Cell#%.3d        "%(i) for i in xrange(4)])))
 -        self.assertTrue(ccr.getNameFieldAtLevel(1).isEqual(DataArrayAsciiChar(["Node#%.3d        "%(i) for i in xrange(9)])))
 +        self.assertTrue(ccr.getNameFieldAtLevel(0).isEqual(DataArrayAsciiChar(["Cell#%.3d        " % (i) for i in range(4)])))
 +        self.assertTrue(ccr.getNameFieldAtLevel(1).isEqual(DataArrayAsciiChar(["Node#%.3d        " % (i) for i in range(9)])))
          self.assertTrue(cc.isEqual(ccr,1e-12)[0])
          ccr.getNameFieldAtLevel(1).setIJ(0,0,'M')
          self.assertTrue(not cc.isEqual(ccr,1e-12)[0])
          m.setFamilyFieldArr(-2,f0)
          m.setFamilyFieldArr(1,p)
          nbOfFams=len(fns)
 -        for i in xrange(nbOfFams):
 +        for i in range(nbOfFams):
              m.addFamily(fns[i],fids[i])
              pass
          nbOfGrps=len(grpns)
 -        for i in xrange(nbOfGrps):
 +        for i in range(nbOfGrps):
              m.setFamiliesIdsOnGroup(grpns[i],famIdsPerGrp[i])
              pass
          m.setName(m2.getName())
          nf1=MEDCouplingFieldInt(ON_NODES)
          nf1.setTime(9.,10,-1)
          nf1.setMesh(f1.getMesh())
 -        narr=DataArrayInt(12,2) ; narr.setInfoOnComponents(["aa [u1]","bbbvv [ppp]"]) ; narr[:,0]=range(12) ; narr[:,1]=2*narr[:,0]
 +        narr=DataArrayInt(12,2) ; narr.setInfoOnComponents(["aa [u1]","bbbvv [ppp]"]) ; narr[:,0]=list(range(12)) ; narr[:,1]=2*narr[:,0]
          nf1.setName("VectorFieldOnNodes") ; nf1.setArray(narr)
          nff1=MEDFileIntField1TS.New()
          nff1.setFieldNoProfileSBT(nf1)
          nf2=MEDCouplingFieldInt(ON_NODES)
          nf2.setTime(19.,20,-11)
          nf2.setMesh(f1.getMesh())
 -        narr2=DataArrayInt(8,2) ; narr.setInfoOnComponents(["aapfl [u1]","bbbvvpfl [ppp]"]) ; narr2[:,0]=range(8) ; narr2[:,0]+=10  ; narr2[:,1]=3*narr2[:,0]
 +        narr2=DataArrayInt(8,2) ; narr.setInfoOnComponents(["aapfl [u1]","bbbvvpfl [ppp]"]) ; narr2[:,0]=list(range(8)) ; narr2[:,0]+=10  ; narr2[:,1]=3*narr2[:,0]
          nf2.setName("VectorFieldOnNodesPfl") ; narr2.setName(nf2.getName()) ; nf2.setArray(narr2)
          nff2=MEDFileIntField1TS.New()
          npfl=DataArrayInt([1,2,4,5,6,7,10,11]) ; npfl.setName("npfl")
          c=DataArrayDouble(12) ; c.iota(); m=MEDCouplingCMesh() ; m.setCoordsAt(0,c) ; m.setName("mesh")
          mm=MEDFileCMesh() ; mm.setMesh(m) ; mm.write(fname,2)
          f1.setMesh(m)
 -        arr=DataArrayDouble(12,2) ; arr.setInfoOnComponents(["aa [u1]","bbbvv [ppp]"]) ; arr[:,0]=range(12) ; arr[:,1]=2*arr[:,0]
 +        arr=DataArrayDouble(12,2) ; arr.setInfoOnComponents(["aa [u1]","bbbvv [ppp]"]) ; arr[:,0]=list(range(12)) ; arr[:,1]=2*arr[:,0]
          f1.setArray(arr)
          f1.setName("Field1")
          ff1=MEDFileField1TS.New()
          tri=MEDCouplingUMesh("tri",2)
          tri.allocateCells() ; tri.insertNextCell(NORM_TRI3,[0,1,2])
          tri.setCoords(DataArrayDouble([(0.,0.),(0.,1.),(1.,0.)]))
 -        tris=[tri.deepCopy() for i in xrange(4)]
 +        tris = [tri.deepCopy() for i in range(4)]
          for i,elt in enumerate(tris): elt.translate([i,0])
          tris=MEDCouplingUMesh.MergeUMeshes(tris)
          quad=MEDCouplingUMesh("quad",2)
          quad.allocateCells() ; quad.insertNextCell(NORM_QUAD4,[0,1,2,3])
          quad.setCoords(DataArrayDouble([(0.,0.),(0.,1.),(1.,1.),(1.,0.)]))
 -        quads=[quad.deepCopy() for i in xrange(5)]
 +        quads = [quad.deepCopy() for i in range(5)]
          for i,elt in enumerate(quads): elt.translate([5+i,0])
          quads=MEDCouplingUMesh.MergeUMeshes(quads)
          m=MEDCouplingUMesh.MergeUMeshes(tris,quads)
          fmts0_0=MEDFileFieldMultiTS()
          fmts0_1=MEDFileFieldMultiTS()
          # time steps
 -        for i in xrange(10):
 +        for i in range(10):
              infos1=["aa [bb]","ccc [ddd]"] ; name1="1stField"
              d=DataArrayDouble(18) ; d.iota(i*10) ; d.rearrange(2) ; d.setInfoOnComponents(infos1)
              f=MEDCouplingFieldDouble(ON_CELLS) ; f.setName(name1) ; f.setArray(d) ; f.setMesh(m)
          tri=MEDCouplingUMesh("tri",2)
          tri.allocateCells() ; tri.insertNextCell(NORM_TRI3,[0,1,2])
          tri.setCoords(DataArrayDouble([(0.,0.),(0.,1.),(1.,0.)]))
 -        tris=[tri.deepCopy() for i in xrange(4)]
 +        tris = [tri.deepCopy() for i in range(4)]
          for i,elt in enumerate(tris): elt.translate([i,0])
          tris=MEDCouplingUMesh.MergeUMeshes(tris)
          quad=MEDCouplingUMesh("quad",2)
          quad.allocateCells() ; quad.insertNextCell(NORM_QUAD4,[0,1,2,3])
          quad.setCoords(DataArrayDouble([(0.,0.),(0.,1.),(1.,1.),(1.,0.)]))
 -        quads=[quad.deepCopy() for i in xrange(5)]
 +        quads = [quad.deepCopy() for i in range(5)]
          for i,elt in enumerate(quads): elt.translate([5+i,0])
          quads=MEDCouplingUMesh.MergeUMeshes(quads)
          m=MEDCouplingUMesh.MergeUMeshes(tris,quads)
          fmts0_0=MEDFileFieldMultiTS()
          fmts0_1=MEDFileFieldMultiTS()
          # time steps
 -        for i in xrange(10):
 +        for i in range(10):
              infos1=["aa [bb]","ccc [ddd]"] ; name1="1stField"
              d=DataArrayDouble(14) ; d.iota(i*10) ; d.rearrange(2) ; d.setInfoOnComponents(infos1)
              f=MEDCouplingFieldDouble(ON_CELLS) ; f.setName(name1) ; f.setArray(d) ; f.setMesh(m)
          self.assertEqual(fs0.getPfls(),('pfl_NORM_QUAD4',))
          #
          fmts0_5=MEDFileFieldMultiTS()
 -        for i in xrange(7):
 +        for i in range(7):
              infos1=["aa [bb]","ccc [ddd]"] ; name1="1stField"
              d=DataArrayDouble(16) ; d.iota(i*10) ; d.rearrange(2) ; d.setInfoOnComponents(infos1)
              f=MEDCouplingFieldDouble(ON_CELLS) ; f.setName(name1) ; f.setArray(d) ; f.setMesh(m)
          tri=MEDCouplingUMesh("tri",2)
          tri.allocateCells() ; tri.insertNextCell(NORM_TRI3,[0,1,2])
          tri.setCoords(DataArrayDouble([(0.,0.),(0.,1.),(1.,0.)]))
 -        tris=[tri.deepCopy() for i in xrange(4)]
 +        tris = [tri.deepCopy() for i in range(4)]
          for i,elt in enumerate(tris): elt.translate([i,0])
          tris=MEDCouplingUMesh.MergeUMeshes(tris)
          quad=MEDCouplingUMesh("quad",2)
          quad.allocateCells() ; quad.insertNextCell(NORM_QUAD4,[0,1,2,3])
          quad.setCoords(DataArrayDouble([(0.,0.),(0.,1.),(1.,1.),(1.,0.)]))
 -        quads=[quad.deepCopy() for i in xrange(5)]
 +        quads = [quad.deepCopy() for i in range(5)]
          for i,elt in enumerate(quads): elt.translate([5+i,0])
          quads=MEDCouplingUMesh.MergeUMeshes(quads)
          m=MEDCouplingUMesh.MergeUMeshes(tris,quads)
          fmts0_1=MEDFileFieldMultiTS()
          # time steps
          infos1=['aa [bb]','ccc [ddd]',"ZZZZ [MW*s]"]
 -        for i in xrange(10):
 +        for i in range(10):
              name1="1stField"
              d=DataArrayDouble(21) ; d.iota(i*10) ; d.rearrange(3) ; d.setInfoOnComponents(infos1)
              f=MEDCouplingFieldDouble(ON_CELLS) ; f.setName(name1) ; f.setArray(d) ; f.setMesh(m)
          self.assertEqual(fs1.getPfls(),('pfl_NORM_QUAD4',))
          self.assertEqual(fs1.getPflsReallyUsed(),('pfl_NORM_QUAD4',))
          self.assertEqual(4,len(fs1))
 -        for i in xrange(10):
 +        for i in range(10):
              for j,fieldName in enumerate(['1stField_aa','1stField_ccc','1stField_ZZZZ']):
                  f1ts=fs1[fieldName][i]
                  f=f1ts.getFieldOnMeshAtLevel(ON_CELLS,0,mm)
          tri=MEDCouplingUMesh("tri",2)
          tri.allocateCells() ; tri.insertNextCell(NORM_TRI3,[0,1,2])
          tri.setCoords(DataArrayDouble([(0.,0.),(0.,1.),(1.,0.)]))
 -        tris=[tri.deepCopy() for i in xrange(4)]
 +        tris = [tri.deepCopy() for i in range(4)]
          for i,elt in enumerate(tris): elt.translate([i,0])
          tris=MEDCouplingUMesh.MergeUMeshes(tris)
          quad=MEDCouplingUMesh("quad",2)
          quad.allocateCells() ; quad.insertNextCell(NORM_QUAD4,[0,1,2,3])
          quad.setCoords(DataArrayDouble([(0.,0.),(0.,1.),(1.,1.),(1.,0.)]))
 -        quads=[quad.deepCopy() for i in xrange(5)]
 +        quads = [quad.deepCopy() for i in range(5)]
          for i,elt in enumerate(quads): elt.translate([5+i,0])
          quads=MEDCouplingUMesh.MergeUMeshes(quads)
          m=MEDCouplingUMesh.MergeUMeshes(tris,quads)
          tri=MEDCouplingUMesh("tri",2)
          tri.allocateCells() ; tri.insertNextCell(NORM_TRI3,[0,1,2])
          tri.setCoords(DataArrayDouble([(0.,0.),(0.,1.),(1.,0.)]))
 -        tris=[tri.deepCopy() for i in xrange(30)]
 +        tris = [tri.deepCopy() for i in range(30)]
          for i,elt in enumerate(tris): elt.translate([i,0])
          tris=MEDCouplingUMesh.MergeUMeshes(tris)
          quad=MEDCouplingUMesh("quad",2)
          quad.allocateCells() ; quad.insertNextCell(NORM_QUAD4,[0,1,2,3])
          quad.setCoords(DataArrayDouble([(0.,0.),(0.,1.),(1.,1.),(1.,0.)]))
 -        quads=[quad.deepCopy() for i in xrange(40)]
 +        quads = [quad.deepCopy() for i in range(40)]
          for i,elt in enumerate(quads): elt.translate([40+i,0])
          quads=MEDCouplingUMesh.MergeUMeshes(quads)
          m=MEDCouplingUMesh.MergeUMeshes(tris,quads)
          self.assertTrue(not ff0.getUndergroundDataArray().isAllocated())
          self.assertEqual(ff0.getUndergroundDataArray().getInfoOnComponents(),['X [km]','YY [mm]'])
          heap_memory_ref=ff0.getHeapMemorySize()
 -        self.assertIn(heap_memory_ref,xrange(182,465+3*strMulFac))
 +        self.assertIn(heap_memory_ref, list(range(182, 540 + 2 * strMulFac)))
          ff0.loadArrays() ##
          arr=DataArrayDouble(140) ; arr.iota() ; arr.rearrange(2)
          self.assertTrue(ff0.getUndergroundDataArray().isEqualWithoutConsideringStr(arr,1e-14))
          ff0=MEDFileField1TS(fname,"FieldCellPfl",False)
          self.assertEqual(ff0.getUndergroundDataArray().getInfoOnComponents(),["XX [pm]","YYY [hm]"])
          heap_memory_ref=ff0.getHeapMemorySize()
 -        self.assertIn(heap_memory_ref,xrange(350,520+7*strMulFac))
 +        self.assertIn(heap_memory_ref, list(range(350, 600 + 6 * strMulFac)))
          ff0.loadArrays() ##
          arr=DataArrayDouble(100) ; arr.iota() ; arr.rearrange(2)
          self.assertTrue(ff0.getUndergroundDataArray().isEqualWithoutConsideringStr(arr,1e-14))
          self.assertEqual(ff0.getUndergroundDataArray().getIJ(30,1),5.5)
          self.assertTrue(not ff0.getUndergroundDataArray().isEqualWithoutConsideringStr(arr,1e-14))
          heap_memory_ref=ff0.getHeapMemorySize()
 -        self.assertIn(heap_memory_ref,xrange(1100,1384+3*strMulFac))
 +        self.assertIn(heap_memory_ref, list(range(1100, 1400 + 2 * strMulFac)))
          ff0.unloadArrays()
          hmd=ff0.getHeapMemorySize()-heap_memory_ref
          self.assertEqual(hmd,-800) # -50*8*2
          #
          ff0=MEDFileField1TS(fname,"FieldCellPfl",-1,-1,False)
          heap_memory_ref=ff0.getHeapMemorySize()
 -        self.assertIn(heap_memory_ref,xrange(299,520+7*strMulFac))
 +        self.assertIn(heap_memory_ref, list(range(299, 620 + 6 * strMulFac)))
          ff0.loadArrays() ##
          self.assertTrue(ff0.getUndergroundDataArray().isEqualWithoutConsideringStr(arr,1e-14))
          self.assertEqual(ff0.getHeapMemorySize()-heap_memory_ref,50*8*2)
          #
          fieldName="FieldCellMultiTS"
          ff0=MEDFileFieldMultiTS()
 -        for t in xrange(20):
 +        for t in range(20):
              f0=MEDCouplingFieldDouble(ON_CELLS,ONE_TIME) ; f0.setMesh(m) ; arr=DataArrayDouble(m.getNumberOfCells()*2) ; arr.iota(float(t+1000)) ; arr.rearrange(2) ; arr.setInfoOnComponents(["X [km]","YY [mm]"]) ; f0.setArray(arr) ; f0.setName(fieldName)
              f0.setTime(float(t)+0.1,t,100+t)
              f0.checkConsistencyLight()
          #
          ff0=MEDFileAnyTypeFieldMultiTS.New(fname,fieldName,False)
          heap_memory_ref=ff0.getHeapMemorySize()
 -        self.assertIn(heap_memory_ref,xrange(5536,8212+(80+26+1+len(ff0))*strMulFac))
 +        self.assertIn(heap_memory_ref, list(range(5536, 9212 + (80 + 26 + 1) * strMulFac)))
          ff0.loadArrays()
          self.assertEqual(ff0.getHeapMemorySize()-heap_memory_ref,20*70*8*2)
          del ff0
          #
          ffs=MEDFileFields(fname,False)
          heap_memory_ref=ffs.getHeapMemorySize()
 -        self.assertIn(heap_memory_ref,xrange(5335,9031+(80+50+24+len(ffs))*strMulFac))
 +        self.assertIn(heap_memory_ref, list(range(5335, 10031 + (80 + 50 + len(ffs)) * strMulFac)))
          ffs.loadArrays()
          self.assertEqual(ffs.getHeapMemorySize()-heap_memory_ref,20*70*8*2+70*8*2+50*8*2)
          pass
          tri=MEDCouplingUMesh("tri",2)
          tri.allocateCells() ; tri.insertNextCell(NORM_TRI3,[0,1,2])
          tri.setCoords(DataArrayDouble([(0.,0.),(0.,1.),(1.,0.)]))
 -        tris=[tri.deepCopy() for i in xrange(4)]
 +        tris = [tri.deepCopy() for i in range(4)]
          for i,elt in enumerate(tris): elt.translate([i,0])
          tris=MEDCouplingUMesh.MergeUMeshes(tris)
          quad=MEDCouplingUMesh("quad",2)
          quad.allocateCells() ; quad.insertNextCell(NORM_QUAD4,[0,1,2,3])
          quad.setCoords(DataArrayDouble([(0.,0.),(0.,1.),(1.,1.),(1.,0.)]))
 -        quads=[quad.deepCopy() for i in xrange(5)]
 +        quads = [quad.deepCopy() for i in range(5)]
          for i,elt in enumerate(quads): elt.translate([5+i,0])
          quads=MEDCouplingUMesh.MergeUMeshes(quads)
          m=MEDCouplingUMesh.MergeUMeshes(tris,quads)
          tri=MEDCouplingUMesh("tri",2)
          tri.allocateCells() ; tri.insertNextCell(NORM_TRI3,[0,1,2])
          tri.setCoords(DataArrayDouble([(0.,0.),(0.,1.),(1.,0.)]))
 -        tris=[tri.deepCopy() for i in xrange(4)]
 +        tris = [tri.deepCopy() for i in range(4)]
          for i,elt in enumerate(tris): elt.translate([i,0])
          tris=MEDCouplingUMesh.MergeUMeshes(tris)
          quad=MEDCouplingUMesh("quad",2)
          quad.allocateCells() ; quad.insertNextCell(NORM_QUAD4,[0,1,2,3])
          quad.setCoords(DataArrayDouble([(0.,0.),(0.,1.),(1.,1.),(1.,0.)]))
 -        quads=[quad.deepCopy() for i in xrange(5)]
 +        quads = [quad.deepCopy() for i in range(5)]
          for i,elt in enumerate(quads): elt.translate([5+i,0])
          quads=MEDCouplingUMesh.MergeUMeshes(quads)
          m=MEDCouplingUMesh.MergeUMeshes(tris,quads)
          m00=MEDCouplingUMesh("mesh",1) ; m00.setCoords(m0.getCoords()) ; m00.allocateCells(0)
          m=MEDFileUMesh()
          m.setMeshAtLevel(0,m00)
 -        m.setRenumFieldArr(1,DataArrayInt(range(10,26)))
 +        m.setRenumFieldArr(1,DataArrayInt(list(range(10,26))))
          m.setFamilyFieldArr(1,DataArrayInt([-1,-1,-1,-1,-1,-2,-2,-2,-2,-2,-2,0,-1,-3,-3,-3]))
          m.write(fname,2)
          del m,a,c,m0,m00
          m=MEDFileMesh.New(fname)
          self.assertEqual((),m.getNonEmptyLevels())
          self.assertTrue(m.getCoords().isEqual(DataArrayDouble([(0,0),(1,0),(2,0),(3,0),(0,1),(1,1),(2,1),(3,1),(0,2),(1,2),(2,2),(3,2),(0,3),(1,3),(2,3),(3,3)]),1e-12))
 -        self.assertTrue(m.getNumberFieldAtLevel(1).isEqual(DataArrayInt(range(10,26))))
 +        self.assertTrue(m.getNumberFieldAtLevel(1).isEqual(DataArrayInt(list(range(10,26)))))
          self.assertTrue(m.getFamilyFieldAtLevel(1).isEqual(DataArrayInt([-1,-1,-1,-1,-1,-2,-2,-2,-2,-2,-2,0,-1,-3,-3,-3])))
          pass
  
          m.insertNextCell([0,2,1,3])
          m.setCoords(DataArrayDouble([0.,0.,1.,1.,1.,0.,0.,1.],4,2))
          #
 -        ms=[m.deepCopy() for i in xrange(4)]
 +        ms = [m.deepCopy() for i in range(4)]
          for i,elt in enumerate(ms):
              elt.translate([float(i)*1.5,0.])
              pass
          m0=MEDCoupling1SGTUMesh.Merge1SGTUMeshes(ms).buildUnstructured()
          m0.convertAllToPoly()
          #
 -        ms=[m.deepCopy() for i in xrange(5)]
 +        ms = [m.deepCopy() for i in range(5)]
          for i,elt in enumerate(ms):
              elt.translate([float(i)*1.5,1.5])
              pass
          #
          fmts=MEDFileFieldMultiTS()
          #
 -        for i in xrange(nbCells):
 +        for i in range(nbCells):
              t=(float(i)+0.1,i+1,-i-2)
              f.setTime(*t)
              arr2=DataArrayDouble(nbCells)
          renum0=DataArrayInt([3,6,7,10,11,0,2,1,9,8,5,4,12,13,14,24,23,22,21,20,19,18,17,16,15])
          famField0=DataArrayInt([-3,-6,-7,-10,-11,0,-2,-1,-9,-8,-5,-4,-12,-13,-14,-24,-23,-22,-21,-20,-19,-18,-17,-16,-15])
          namesCellL0=DataArrayAsciiChar(25,16)
 -        namesCellL0[:]=["Cell#%.3d        "%(i) for i in xrange(25)]
 +        namesCellL0[:] = ["Cell#%.3d        " % (i) for i in range(25)]
          renumM1=DataArrayInt([3,4,0,2,1])
          famFieldM1=DataArrayInt([-3,-4,0,-2,-1])
          mm.setRenumFieldArr(0,renum0)
          renum1=DataArrayInt([13,16,17,20,21,10,12,11,19,18,15,14,22,23,24,34,33,32,31,30,29,28,27,26,25,45,44,43,42,41,40,39,38,37,36,35])
          famField1=DataArrayInt([-13,-16,-17,-20,-21,-10,-12,-11,-19,-18,-15,-14,-22,-23,-24,-34,-33,-32,-31,-30,-29,-28,-27,-26,-25,-45,-44,-43,-42,-41,-40,-39,-38,-37,-36,-35])
          namesNodes=DataArrayAsciiChar(36,16)
 -        namesNodes[:]=["Node#%.3d        "%(i) for i in xrange(36)]
 +        namesNodes[:] = ["Node#%.3d        " % (i) for i in range(36)]
          mm.setRenumFieldArr(1,renum1)
          mm.setFamilyFieldArr(1,famField1)
          mm.setNameFieldAtLevel(1,namesNodes)
          f=MEDCouplingFieldDouble(ON_CELLS,ONE_TIME) ; f.setMesh(m)
          f.setName("Field")
          arr=DataArrayDouble(25,2) ; arr.setInfoOnComponents(compos)
 -        arr[:,0]=range(25)
 -        arr[:,1]=range(100,125)
 +        arr[:,0]=list(range(25))
 +        arr[:,1]=list(range(100,125))
          f.setArray(arr)
          WriteField(fileName,f,True)
          f=MEDCouplingFieldDouble(ON_NODES,ONE_TIME) ; f.setMesh(m)
          f.setName("FieldNode")
          arr=DataArrayDouble(36,2) ; arr.setInfoOnComponents(compos)
 -        arr[:,0]=range(200,236)
 -        arr[:,1]=range(300,336)
 +        arr[:,0]=list(range(200,236))
 +        arr[:,1]=list(range(300,336))
          f.setArray(arr)
          f.checkConsistencyLight()
          WriteFieldUsingAlreadyWrittenMesh(fileName,f)
          fs=MEDFileFields.LoadPartOf(fileName,False,ms)
          fs=fs.deepCopy()
          fs[0][0].loadArrays()
 -        arr=DataArrayDouble(12,2) ; arr[:,0]=range(3,15) ; arr[:,1]=range(103,115)
 +        arr = DataArrayDouble(12, 2) ; arr[:, 0] = list(range(3, 15)) ; arr[:, 1] = list(range(103, 115))
          arr.setInfoOnComponents(compos)
          self.assertTrue(fs[0][0].getUndergroundDataArray().isEqual(arr,1e-12))
          fs[1][0].loadArrays()
 -        arr=DataArrayDouble(21,2) ; arr[:,0]=range(203,224) ; arr[:,1]=range(303,324)
 +        arr = DataArrayDouble(21, 2) ; arr[:, 0] = list(range(203, 224)) ; arr[:, 1] = list(range(303, 324))
          arr.setInfoOnComponents(compos)
          self.assertTrue(fs[1][0].getUndergroundDataArray().isEqual(arr,1e-12))
          pass
          f=MEDCouplingFieldDouble(ON_CELLS,ONE_TIME) ; f.setMesh(m)
          f.setName("Field")
          arr=DataArrayDouble(25,2) ; arr.setInfoOnComponents(compos)
 -        arr[:,0]=range(25)
 -        arr[:,1]=range(100,125)
 +        arr[:,0]=list(range(25))
 +        arr[:,1]=list(range(100,125))
          f.setArray(arr)
          WriteField(fileName,f,True)
          f=MEDCouplingFieldDouble(ON_NODES,ONE_TIME) ; f.setMesh(m)
          f.setName("FieldNode")
          arr=DataArrayDouble(36,2) ; arr.setInfoOnComponents(compos)
 -        arr[:,0]=range(200,236)
 -        arr[:,1]=range(300,336)
 +        arr[:,0]=list(range(200,236))
 +        arr[:,1]=list(range(300,336))
          f.setArray(arr)
          f.checkConsistencyLight()
          WriteFieldUsingAlreadyWrittenMesh(fileName,f)
  
      @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
      def testMEDFileUMeshPickeling1(self):
 -        import cPickle
          outFileName="Pyfile86.med"
          c=DataArrayDouble([-0.3,-0.3, 0.2,-0.3, 0.7,-0.3, -0.3,0.2, 0.2,0.2, 0.7,0.2, -0.3,0.7, 0.2,0.7, 0.7,0.7 ],9,2)
          c.setInfoOnComponents(["aa","bbb"])
          g2_1.setName("G2")
          mm.setGroupsAtLevel(-1,[g1_1,g2_1],False)
          g1_N=DataArrayInt.New()
 -        g1_N.setValues(range(8),8,1)
 +        g1_N.setValues(list(range(8)),8,1)
          g1_N.setName("G1")
          g2_N=DataArrayInt.New()
 -        g2_N.setValues(range(9),9,1)
 +        g2_N.setValues(list(range(9)),9,1)
          g2_N.setName("G2")
          mm.setGroupsAtLevel(1,[g1_N,g2_N],False)
          mm.createGroupOnAll(0,"GrpOnAllCell")
          self.assertTrue(mm.existsGroup("GrpOnAllCell"));
          t=mm.getGroupArr(0,"GrpOnAllCell")
          #
 -        st=cPickle.dumps(mm,cPickle.HIGHEST_PROTOCOL)
 -        mm2=cPickle.loads(st)
 +        st=pickle.dumps(mm,pickle.HIGHEST_PROTOCOL)
 +        mm2=pickle.loads(st)
          self.assertTrue(mm.isEqual(mm2,1e-12)[0])
          self.assertEqual(mm.getAxisType(),AX_CART)
          #
          mm.setAxisType(AX_CYL)
 -        st=cPickle.dumps(mm,cPickle.HIGHEST_PROTOCOL)
 -        mm2=cPickle.loads(st)
 +        st=pickle.dumps(mm,pickle.HIGHEST_PROTOCOL)
 +        mm2=pickle.loads(st)
          self.assertTrue(mm.isEqual(mm2,1e-12)[0])
          self.assertEqual(mm2.getAxisType(),AX_CYL)
          pass
          m.setName(meshName)
          #
          fmts=MEDFileFieldMultiTS()
 -        for i in xrange(nbPdt):
 +        for i in range(nbPdt):
              f=MEDCouplingFieldDouble(ON_NODES)
              f.setMesh(m)
              arr=DataArrayDouble(nbNodes) ; arr.iota() ; arr*=i
          fs2=MEDFileFields.LoadSpecificEntities(fileName,[(ON_NODES,NORM_ERROR)],False)
          fs.loadArraysIfNecessary()
          fs2.loadArraysIfNecessary()
 -        for i in xrange(nbPdt):
 +        for i in range(nbPdt):
              self.assertTrue(fs[fieldName][i].getUndergroundDataArray().isEqual(fs2[fieldName][i].getUndergroundDataArray(),1e-12))
              pass
          m1=MEDCouplingCMesh() ; m1.setCoords(DataArrayDouble([0,1,2,3]),DataArrayDouble([0,1])) ; m1=m1.buildUnstructured() ; m1.simplexize(0)
          m2=MEDCouplingCMesh() ; m2.setCoords(DataArrayDouble([3,4,5]),DataArrayDouble([0,1])) ; m2=m2.buildUnstructured()
          m3=MEDCouplingUMesh.MergeUMeshes(m1,m2) ; m3.setName(meshName)
          fmts=MEDFileFieldMultiTS()
 -        for i in xrange(nbPdt):
 +        for i in range(nbPdt):
              f=MEDCouplingFieldDouble(ON_CELLS)
              f.setMesh(m3)
              arr=DataArrayDouble(8) ; arr.iota() ; arr*=i
          fs2.loadArraysIfNecessary()
          fs3.loadArraysIfNecessary()
          fs4.loadArraysIfNecessary()
 -        for i in xrange(nbPdt):
 +        for i in range(nbPdt):
              self.assertTrue(fs[fieldName][i].getUndergroundDataArray()[:6].isEqual(fs2[fieldName][i].getUndergroundDataArray(),1e-12))
              self.assertTrue(fs[fieldName][i].getUndergroundDataArray()[6:8].isEqual(fs3[i].getUndergroundDataArray(),1e-12))
              self.assertTrue(fs[fieldName][i].getUndergroundDataArray().isEqual(fs4[fieldName][i].getUndergroundDataArray(),1e-12))
          m=m.buildUnstructured()
          m.setName(meshName)
          #
 -        nbOfField=nbPdt/maxPdt
 +        nbOfField=nbPdt//maxPdt
          fs=MEDFileFields()
 -        for j in xrange(nbOfField):
 +        for j in range(nbOfField):
              fmts=MEDFileFieldMultiTS()
              s=DataArray.GetSlice(slice(0,nbPdt,1),j,nbOfField)
 -            for i in xrange(s.start,s.stop,s.step):
 +            for i in range(s.start, s.stop, s.step):
                  f=MEDCouplingFieldDouble(ON_NODES)
                  f.setMesh(m)
                  arr=DataArrayDouble(nbNodes) ; arr.iota() ; arr*=i
              fmts2.reverse()
              zeResu=fmts2.pop()
              nbIter=len(fmts2)
 -            for ii in xrange(nbIter):
 +            for ii in range(nbIter):
                  zeResu.pushBackTimeSteps(fmts2.pop())
                  pass
              zeResu.setName(k)
              fs2.pushField(zeResu)
              pass
 -        self.assertEqual(fs2[0].getTimeSteps(),[(i,0,float(i)) for i in xrange(nbPdt)])
 +        self.assertEqual(fs2[0].getTimeSteps(), [(i, 0, float(i)) for i in range(nbPdt)])
          pass
      
      def testMEDFileMeshRearrangeFamIds1(self):
              def __del__(self):
                  import os,sys
                  sys.stderr=self.origPyVal
 +                if sys.version_info.major >= 3:
 +                    self.fdOfSinkFile.close()
 +                    pass
                  #os.fsync(self.fdOfSinkFile)
                  os.fsync(2)
                  os.dup2(self.stdoutOld,2)
          mm.setName("mesh")
          mm.write(fname,2)
          # third : change permissions to remove write access on created file
 -        os.chmod(fname,0444)
 +        os.chmod(fname, 0o444)
          # four : try to append data on file -> check that it raises Exception
          f=MEDCouplingFieldDouble(ON_CELLS)
          f.setName("field")
          mm=MEDFileCMesh(fname)
          self.assertTrue(mm.getUnivName()!="")
          pass
 -
 +    
      def testEmptyMesh(self):
        """ MEDLoader should be able to consistently write and read an empty mesh (coords array
        with 0 tuples """
        grp2=bary1.findIdsInRange(0.-1e-12,0.+1e-12) ; grp2.setName(grpName2)
        mesh.setGroupsAtLevel(-1,[grp1,grp2])
        
 -      import cPickle
 -      st=cPickle.dumps(mesh,2)
 -      mm=cPickle.loads(st)
 -      st2=cPickle.dumps(mm,2)
 -      mm2=cPickle.loads(st2)
 +      st=pickle.dumps(mesh,2)
 +      mm=pickle.loads(st)
 +      st2=pickle.dumps(mm,2)
 +      mm2=pickle.loads(st2)
        self.assertTrue(mesh.isEqual(mm2,1e-12)[0])
        pass
  
          m1=MEDCouplingUMesh(m0.getName(),1)
          m1.allocateCells(9)
          conn1=[0,1,0,3,3,4,4,1,5,4,2,4,1,2,3,6,5,8]
 -        for i in xrange(9):
 +        for i in range(9):
              m1.insertNextCell(NORM_SEG2,conn1[2*i:2*i+2])
              pass
          m1.finishInsertingCells()
          ff =mfd.getFields()[0][0].field(mfd.getMeshes()[0])
          self.assertTrue(ff2.isEqual(ff,1e-12,1e-12))
          # OK now end of joke -> serialization of MEDFileData
 -        import cPickle
 -        st=cPickle.dumps(mfd,cPickle.HIGHEST_PROTOCOL)
 -        mfd3=cPickle.loads(st)
 +        st=pickle.dumps(mfd,pickle.HIGHEST_PROTOCOL)
 +        mfd3=pickle.loads(st)
          # check of object
          self.assertEqual(len(mfd3.getMeshes()),1)
          self.assertEqual(len(mfd3.getFields()),1)
          ff3=mfd3.getFields()[0][0].field(mfd3.getMeshes()[0])
          self.assertTrue(ff3.isEqual(ff,1e-12,1e-12))
          # serialization of MEDFileFields
 -        st=cPickle.dumps(mfd.getFields(),cPickle.HIGHEST_PROTOCOL)
 -        fs4=cPickle.loads(st)
 +        st=pickle.dumps(mfd.getFields(),pickle.HIGHEST_PROTOCOL)
 +        fs4=pickle.loads(st)
          ff4=fs4[0][0].field(mfd3.getMeshes()[0])
          self.assertTrue(ff4.isEqual(ff,1e-12,1e-12))
          # serialization of MEDFileFieldMulitTS
 -        st=cPickle.dumps(mfd.getFields()[0],cPickle.HIGHEST_PROTOCOL)
 -        fmts5=cPickle.loads(st)
 +        st=pickle.dumps(mfd.getFields()[0],pickle.HIGHEST_PROTOCOL)
 +        fmts5=pickle.loads(st)
          ff5=fmts5[0].field(mfd3.getMeshes()[0])
          self.assertTrue(ff5.isEqual(ff,1e-12,1e-12))
          # serialization of MEDFileField1TS
 -        st=cPickle.dumps(mfd.getFields()[0][0],cPickle.HIGHEST_PROTOCOL)
 -        f1ts6=cPickle.loads(st)
 +        st=pickle.dumps(mfd.getFields()[0][0],pickle.HIGHEST_PROTOCOL)
 +        f1ts6=pickle.loads(st)
          ff6=f1ts6.field(mfd3.getMeshes()[0])
          self.assertTrue(ff6.isEqual(ff,1e-12,1e-12))
          # serialization of MEDFileMeshes
 -        st=cPickle.dumps(mfd.getMeshes(),cPickle.HIGHEST_PROTOCOL)
 -        ms7=cPickle.loads(st)
 +        st=pickle.dumps(mfd.getMeshes(),pickle.HIGHEST_PROTOCOL)
 +        ms7=pickle.loads(st)
          self.assertEqual(len(ms7),1)
          self.assertTrue(ms7[0].isEqual(mfd.getMeshes()[0],1e-12))
          pass
          self.testMEDMesh6() # generates MEDFileMesh5.med file
          mm=MEDFileMesh.New("MEDFileMesh5.med")
          self.assertTrue(isinstance(mm,MEDFileCMesh))
 -        import cPickle
 -        st=cPickle.dumps(mm,cPickle.HIGHEST_PROTOCOL)
 -        mm2=cPickle.loads(st)
 +        st=pickle.dumps(mm,pickle.HIGHEST_PROTOCOL)
 +        mm2=pickle.loads(st)
          self.assertTrue(isinstance(mm2,MEDFileCMesh))
          self.assertTrue(mm.getMesh().isEqual(mm2.getMesh(),1e-12))
          # CurveLinear
          self.testCurveLinearMesh1() # generates Pyfile55.med
          mm=MEDFileMesh.New("Pyfile55.med")
          self.assertTrue(isinstance(mm,MEDFileCurveLinearMesh))
 -        st=cPickle.dumps(mm,cPickle.HIGHEST_PROTOCOL)
 -        mm3=cPickle.loads(st)
 +        st=pickle.dumps(mm,pickle.HIGHEST_PROTOCOL)
 +        mm3=pickle.loads(st)
          self.assertTrue(isinstance(mm3,MEDFileCurveLinearMesh))
          self.assertTrue(mm.getMesh().isEqual(mm3.getMesh(),1e-12))
          self.testInt32InMEDFileFieldStar1()# generates Pyfile63.med
          fs4=MEDFileFields("Pyfile63.med")
          ms4=MEDFileMeshes("Pyfile63.med")
          self.assertTrue(isinstance(fs4[0],MEDFileIntFieldMultiTS))
 -        st=cPickle.dumps(fs4[0],cPickle.HIGHEST_PROTOCOL)
 -        fmts5=cPickle.loads(st)
 +        st=pickle.dumps(fs4[0],pickle.HIGHEST_PROTOCOL)
 +        fmts5=pickle.loads(st)
          self.assertEqual(len(fs4[0]),len(fmts5))
          self.assertTrue(isinstance(fmts5,MEDFileIntFieldMultiTS))
          self.assertTrue(fmts5[0].field(ms4[0]).isEqual((fs4[0][0]).field(ms4[0]),1e-12,1e-12))
          # MEDFileIntField1TS
 -        st=cPickle.dumps(fs4[0][0],cPickle.HIGHEST_PROTOCOL)
 -        f1ts6=cPickle.loads(st)
 +        st=pickle.dumps(fs4[0][0],pickle.HIGHEST_PROTOCOL)
 +        f1ts6=pickle.loads(st)
          self.assertTrue(isinstance(f1ts6,MEDFileIntField1TS))
          self.assertTrue(f1ts6.field(ms4[0]).isEqual((fs4[0][0]).field(ms4[0]),1e-12,1e-12))
          # MEDFileParameters
          self.testParameters1()# generates Pyfile56.med
          params=MEDFileParameters("Pyfile56.med")
 -        st=cPickle.dumps(params,cPickle.HIGHEST_PROTOCOL)
 -        params7=cPickle.loads(st)
 +        st=pickle.dumps(params,pickle.HIGHEST_PROTOCOL)
 +        params7=pickle.loads(st)
          self.assertEqual(len(params),len(params7))
 -        for i in xrange(len(params)):
 +        for i in range(len(params)):
              self.assertTrue(params[i].isEqual(params7[i],1e-12)[0])
              pass
          pass
 +
 +    def testGlobalNumOnNodes1(self):
 +        """Test global number on nodes here. Used by partitionners."""
 +        fname="Pyfile112.med"
 +        arr=DataArrayDouble(5) ; arr.iota()
 +        m=MEDCouplingUMesh.Build1DMeshFromCoords(arr)
 +        m.setName("mesh")
 +        mm=MEDFileUMesh()
 +        mm[0]=m
 +        self.assertTrue(not mm.getGlobalNumFieldAtLevel(1))
 +        d=DataArrayInt([7,8,9,2,0])
 +        dRef=d.deepCopy()
 +        mm.setGlobalNumFieldAtLevel(1,d)
 +        mm.checkConsistency()
 +        self.assertRaises(InterpKernelException,mm.setGlobalNumFieldAtLevel,1,d[::2])
 +        mm.checkConsistency()
 +        self.assertEqual(d.getHiddenCppPointer(),mm.getGlobalNumFieldAtLevel(1).getHiddenCppPointer())
 +        self.assertTrue(mm.getGlobalNumFieldAtLevel(1).isEqual(dRef))
 +        mm.write(fname,2)
 +        mm2=MEDFileMesh.New(fname)
 +        self.assertTrue(mm.isEqual(mm2,1e-12)[0])
 +        self.assertTrue(mm2.getGlobalNumFieldAtLevel(1).isEqual(dRef))
 +        mm2.getGlobalNumFieldAtLevel(1).setIJ(0,0,10)
 +        self.assertTrue(not mm.isEqual(mm2,1e-12)[0])
 +        mm2.getGlobalNumFieldAtLevel(1).setIJ(0,0,7)
 +        self.assertTrue(mm.isEqual(mm2,1e-12)[0])
 +        pass
 +
 +    def testPartialReadOfEntities1(self):
 +        """Test for advanced API on read to speed up read phase for users with "huge" number of time steps (more than 10 000)."""
 +        fname="Pyfile113.med"
 +        arr=DataArrayDouble(5) ; arr.iota()
 +        m=MEDCouplingUMesh.Build1DMeshFromCoords(arr)
 +        m.setName("mesh")
 +        mm=MEDFileUMesh()
 +        mm[0]=m
 +        #
 +        fieldName="Field"
 +        ts1=(5.,1,2)
 +        f1=MEDCouplingFieldDouble(ON_NODES) ; f1.setMesh(m) ; f1.setName(fieldName)
 +        f1.setArray(DataArrayDouble([0.,0.1,0.2,0.3,0.4]))
 +        f1.setTime(*ts1)
 +        f2=MEDCouplingFieldDouble(ON_CELLS) ; f2.setMesh(m) ; f2.setName(fieldName)
 +        f2.setArray(DataArrayDouble([1.,1.1,1.2,1.3]))
 +        f2.setTime(*ts1)
 +        f1ts=MEDFileField1TS()
 +        f1ts.setFieldNoProfileSBT(f1)
 +        f1ts.setFieldNoProfileSBT(f2)
 +        self.assertEqual(set(f1ts.getTypesOfFieldAvailable()),set([ON_NODES,ON_CELLS]))
 +        f1ts_2=f1ts.deepCopy()
 +        f1ts_2.getUndergroundDataArray()[:]+=2
 +        f1ts_2.setTime(3,4,6.)
 +        fmts=MEDFileFieldMultiTS()
 +        fmts.pushBackTimeStep(f1ts)
 +        fmts.pushBackTimeStep(f1ts_2)
 +        #
 +        mm.write(fname,2)
 +        fmts.write(fname,0)
 +        #
 +        ent=MEDFileEntities.BuildFrom([(ON_NODES,NORM_ERROR)])
 +        mm=MEDFileMesh.New(fname)
 +        fs=MEDFileFields(fname,False,ent) # the important line is here - We specify to MEDFileFields to read only nodes part to speed up read phase (by avoiding to scan all entities time geo types)
 +        fs.loadArrays()
 +        self.assertEqual(len(fs),1)
 +        fmts=fs[0]
 +        self.assertEqual(len(fmts),2)
 +        ff0=fmts[0] ; ff1=fmts[1]
 +        self.assertEqual(ff0.getTypesOfFieldAvailable(),[ON_NODES]) # only NODES have been loaded
 +        self.assertTrue(ff0.field(mm).isEqual(f1,1e-12,1e-12))
 +        f3=f1.deepCopy() ; f3+=2. ; f3.setTime(6.,3,4)
 +        self.assertTrue(ff1.field(mm).isEqual(f3,1e-12,1e-12))
 +        pass
      
      pass