X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=src%2FMEDLoader%2FSwig%2FMEDLoaderCommon.i;h=b4132f8ca797f04b315fb2a235cbd9b131525f8f;hb=1ca2b215a1ae474745fabc87dd9c5c98e9af6354;hp=246a1b266d04a8ffeb693a1230fdea78556a4e79;hpb=35fe9db6adb88f338057faf937b64ff94080dfe8;p=tools%2Fmedcoupling.git

diff --git a/src/MEDLoader/Swig/MEDLoaderCommon.i b/src/MEDLoader/Swig/MEDLoaderCommon.i
index 246a1b266..b4132f8ca 100644
--- a/src/MEDLoader/Swig/MEDLoaderCommon.i
+++ b/src/MEDLoader/Swig/MEDLoaderCommon.i
@@ -1,9 +1,9 @@
-// Copyright (C) 2007-2013  CEA/DEN, EDF R&D
+// Copyright (C) 2007-2015  CEA/DEN, EDF R&D
 //
 // This library is free software; you can redistribute it and/or
 // modify it under the terms of the GNU Lesser General Public
 // License as published by the Free Software Foundation; either
-// version 2.1 of the License.
+// version 2.1 of the License, or (at your option) any later version.
 //
 // This library is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -27,11 +27,13 @@
 
 %{
 #include "MEDLoader.hxx"
+#include "MEDFileJoint.hxx"
 #include "MEDFileMesh.hxx"
 #include "MEDFileField.hxx"
 #include "MEDFileParameter.hxx"
 #include "MEDFileData.hxx"
 #include "MEDFileMeshReadSelector.hxx"
+#include "MEDFileFieldOverView.hxx"
 #include "MEDLoaderTypemaps.i"
 #include "SauvReader.hxx"
 #include "SauvWriter.hxx"
@@ -63,9 +65,15 @@ using namespace ParaMEDMEM;
   $result=convertMEDFileField1TS($1,$owner);
 }
 
+%typemap(out) ParaMEDMEM::MEDMeshMultiLev*
+{
+  $result=convertMEDMeshMultiLev($1,$owner);
+}
+
 %newobject MEDLoader::ReadUMeshFromFamilies;
 %newobject MEDLoader::ReadUMeshFromGroups;
 %newobject MEDLoader::ReadUMeshFromFile;
+%newobject MEDLoader::ReadMeshFromFile;
 %newobject MEDLoader::ReadField;
 %newobject MEDLoader::ReadFieldCell;
 %newobject MEDLoader::ReadFieldNode;
@@ -86,8 +94,12 @@ using namespace ParaMEDMEM;
 %newobject ParaMEDMEM::MEDFileMesh::getNodeFamiliesArr;
 %newobject ParaMEDMEM::MEDFileMesh::getAllFamiliesIdsReferenced;
 %newobject ParaMEDMEM::MEDFileMesh::computeAllFamilyIdsInUse;
+%newobject ParaMEDMEM::MEDFileData::getJoints;
+%newobject ParaMEDMEM::MEDFileStructuredMesh::getImplicitFaceMesh;
 %newobject ParaMEDMEM::MEDFileUMesh::New;
+%newobject ParaMEDMEM::MEDFileUMesh::LoadPartOf;
 %newobject ParaMEDMEM::MEDFileUMesh::getCoords;
+%newobject ParaMEDMEM::MEDFileUMesh::getPartDefAtLevel;
 %newobject ParaMEDMEM::MEDFileUMesh::getGroup;
 %newobject ParaMEDMEM::MEDFileUMesh::getGroups;
 %newobject ParaMEDMEM::MEDFileUMesh::getFamily;
@@ -97,7 +109,14 @@ using namespace ParaMEDMEM;
 %newobject ParaMEDMEM::MEDFileUMesh::getLevelM1Mesh;
 %newobject ParaMEDMEM::MEDFileUMesh::getLevelM2Mesh;
 %newobject ParaMEDMEM::MEDFileUMesh::getLevelM3Mesh;
+%newobject ParaMEDMEM::MEDFileUMesh::getDirectUndergroundSingleGeoTypeMesh;
+%newobject ParaMEDMEM::MEDFileUMesh::extractFamilyFieldOnGeoType;
+%newobject ParaMEDMEM::MEDFileUMesh::extractNumberFieldOnGeoType;
 %newobject ParaMEDMEM::MEDFileUMesh::zipCoords;
+%newobject ParaMEDMEM::MEDFileUMesh::buildExtrudedMesh;
+%newobject ParaMEDMEM::MEDFileUMesh::__getitem__;
+%newobject ParaMEDMEM::MEDFileUMesh::linearToQuadratic;
+%newobject ParaMEDMEM::MEDFileUMesh::quadraticToLinear;
 %newobject ParaMEDMEM::MEDFileCMesh::New;
 %newobject ParaMEDMEM::MEDFileCurveLinearMesh::New;
 %newobject ParaMEDMEM::MEDFileMeshMultiTS::New;
@@ -111,6 +130,8 @@ using namespace ParaMEDMEM;
 %newobject ParaMEDMEM::MEDFileMeshes::__iter__;
 
 %newobject ParaMEDMEM::MEDFileFields::New;
+%newobject ParaMEDMEM::MEDFileFields::LoadPartOf;
+%newobject ParaMEDMEM::MEDFileFields::LoadSpecificEntities;
 %newobject ParaMEDMEM::MEDFileFields::deepCpy;
 %newobject ParaMEDMEM::MEDFileFields::shallowCpy;
 %newobject ParaMEDMEM::MEDFileFields::getFieldWithName;
@@ -128,6 +149,7 @@ using namespace ParaMEDMEM;
 %newobject ParaMEDMEM::MEDFileAnyTypeFieldMultiTS::getTimeStepGivenTime;
 %newobject ParaMEDMEM::MEDFileAnyTypeFieldMultiTS::__iter__;
 %newobject ParaMEDMEM::MEDFileFieldMultiTS::New;
+%newobject ParaMEDMEM::MEDFileFieldMultiTS::LoadSpecificEntities;
 %newobject ParaMEDMEM::MEDFileFieldMultiTS::getFieldAtLevel;
 %newobject ParaMEDMEM::MEDFileFieldMultiTS::getFieldAtTopLevel;
 %newobject ParaMEDMEM::MEDFileFieldMultiTS::getFieldOnMeshAtLevel;
@@ -135,6 +157,7 @@ using namespace ParaMEDMEM;
 %newobject ParaMEDMEM::MEDFileFieldMultiTS::getUndergroundDataArray;
 %newobject ParaMEDMEM::MEDFileFieldMultiTS::convertToInt;
 %newobject ParaMEDMEM::MEDFileIntFieldMultiTS::New;
+%newobject ParaMEDMEM::MEDFileIntFieldMultiTS::LoadSpecificEntities;
 %newobject ParaMEDMEM::MEDFileIntFieldMultiTS::getUndergroundDataArray;
 %newobject ParaMEDMEM::MEDFileIntFieldMultiTS::convertToDouble;
 
@@ -170,10 +193,31 @@ using namespace ParaMEDMEM;
 %newobject ParaMEDMEM::MEDFileParameters::getParamWithName;
 %newobject ParaMEDMEM::MEDFileParameters::__getitem__;
 
+%newobject ParaMEDMEM::MEDFileJointCorrespondence::New;
+%newobject ParaMEDMEM::MEDFileJointCorrespondence::deepCpy;
+%newobject ParaMEDMEM::MEDFileJointCorrespondence::shallowCpy;
+%newobject ParaMEDMEM::MEDFileJointOneStep::New;
+%newobject ParaMEDMEM::MEDFileJointOneStep::deepCpy;
+%newobject ParaMEDMEM::MEDFileJointOneStep::shallowCpy;
+%newobject ParaMEDMEM::MEDFileJoint::New;
+%newobject ParaMEDMEM::MEDFileJoint::deepCpy;
+%newobject ParaMEDMEM::MEDFileJoint::shallowCpy;
+%newobject ParaMEDMEM::MEDFileJoints::New;
+%newobject ParaMEDMEM::MEDFileJoints::deepCpy;
+%newobject ParaMEDMEM::MEDFileJoints::getJointAtPos;
+%newobject ParaMEDMEM::MEDFileJoints::getJointWithName;
+%newobject ParaMEDMEM::MEDFileJoints::__getitem__;
+
 %newobject ParaMEDMEM::SauvWriter::New;
 %newobject ParaMEDMEM::SauvReader::New;
 %newobject ParaMEDMEM::SauvReader::loadInMEDFileDS;
 
+%newobject ParaMEDMEM::MEDFileMeshStruct::New;
+%newobject ParaMEDMEM::MEDMeshMultiLev::prepare;
+%newobject ParaMEDMEM::MEDMeshMultiLev::buildDataArray;
+%newobject ParaMEDMEM::MEDFileFastCellSupportComparator::New;
+%newobject ParaMEDMEM::MEDFileFastCellSupportComparator::buildFromScratchDataSetSupport;
+
 %feature("unref") MEDFileMesh "$this->decrRef();"
 %feature("unref") MEDFileUMesh "$this->decrRef();"
 %feature("unref") MEDFileCMesh "$this->decrRef();"
@@ -192,32 +236,56 @@ using namespace ParaMEDMEM;
 %feature("unref") MEDFileParameterDouble1TS "$this->decrRef();"
 %feature("unref") MEDFileParameterMultiTS "$this->decrRef();"
 %feature("unref") MEDFileParameters "$this->decrRef();"
+%feature("unref") MEDFileJointCorrespondence "$this->decrRef();"
+%feature("unref") MEDFileJointOneStep "$this->decrRef();"
+%feature("unref") MEDFileJoint "$this->decrRef();"
+%feature("unref") MEDFileJoints "$this->decrRef();"
 %feature("unref") MEDFileData "$this->decrRef();"
 %feature("unref") SauvReader "$this->decrRef();"
 %feature("unref") SauvWriter "$this->decrRef();"
+%feature("unref") MEDFileFastCellSupportComparator "$this->decrRef();"
+%feature("unref") MEDMeshMultiLev "$this->decrRef();"
+%feature("unref") MEDUMeshMultiLev "$this->decrRef();"
+%feature("unref") MEDCMeshMultiLev "$this->decrRef();"
+%feature("unref") MEDCurveLinearMeshMultiLev "$this->decrRef();"
+%feature("unref") MEDFileMeshStruct "$this->decrRef();"
 
 class MEDLoader
 {
 public:
+  static bool HasXDR();
+  static std::string MEDFileVersionStr();
   static void SetEpsilonForNodeComp(double val) throw(INTERP_KERNEL::Exception);
   static void SetCompPolicyForCell(int val) throw(INTERP_KERNEL::Exception);
   static void SetTooLongStrPolicy(int val) throw(INTERP_KERNEL::Exception);
-  static void CheckFileForRead(const char *fileName) throw(INTERP_KERNEL::Exception);
-  static std::vector<std::string> GetMeshNames(const char *fileName) throw(INTERP_KERNEL::Exception);
-  static std::vector<std::string> GetMeshNamesOnField(const char *fileName, const char *fieldName) throw(INTERP_KERNEL::Exception);
-  static std::vector<std::string> GetMeshGroupsNames(const char *fileName, const char *meshName) throw(INTERP_KERNEL::Exception);
-  static std::vector<std::string> GetMeshFamiliesNames(const char *fileName, const char *meshName) throw(INTERP_KERNEL::Exception);
-  static std::vector<std::string> GetMeshFamiliesNamesOnGroup(const char *fileName, const char *meshName, const char *grpName) throw(INTERP_KERNEL::Exception);
-  static std::vector<std::string> GetMeshGroupsNamesOnFamily(const char *fileName, const char *meshName, const char *famName) throw(INTERP_KERNEL::Exception);
-  static std::vector<std::string> GetAllFieldNamesOnMesh(const char *fileName, const char *meshName) throw(INTERP_KERNEL::Exception);
-  static std::vector<std::string> GetAllFieldNames(const char *fileName) throw(INTERP_KERNEL::Exception);
-  static std::vector<std::string> GetFieldNamesOnMesh(ParaMEDMEM::TypeOfField type, const char *fileName, const char *meshName) throw(INTERP_KERNEL::Exception);
-  static std::vector<std::string> GetCellFieldNamesOnMesh(const char *fileName, const char *meshName) throw(INTERP_KERNEL::Exception);
-  static std::vector<std::string> GetNodeFieldNamesOnMesh(const char *fileName, const char *meshName) throw(INTERP_KERNEL::Exception);
-  static double GetTimeAttachedOnFieldIteration(const char *fileName, const char *fieldName, int iteration, int order) throw(INTERP_KERNEL::Exception);
+  static void CheckFileForRead(const std::string& fileName) throw(INTERP_KERNEL::Exception);
+  static std::vector<std::string> GetMeshNames(const std::string& fileName) throw(INTERP_KERNEL::Exception);
+  static std::vector<std::string> GetMeshNamesOnField(const std::string& fileName, const std::string& fieldName) throw(INTERP_KERNEL::Exception);
+  static std::vector<std::string> GetMeshGroupsNames(const std::string& fileName, const std::string& meshName) throw(INTERP_KERNEL::Exception);
+  static std::vector<std::string> GetMeshFamiliesNames(const std::string& fileName, const std::string& meshName) throw(INTERP_KERNEL::Exception);
+  static std::vector<std::string> GetMeshFamiliesNamesOnGroup(const std::string& fileName, const std::string& meshName, const std::string& grpName) throw(INTERP_KERNEL::Exception);
+  static std::vector<std::string> GetMeshGroupsNamesOnFamily(const std::string& fileName, const std::string& meshName, const std::string& famName) throw(INTERP_KERNEL::Exception);
+  static std::vector<std::string> GetAllFieldNamesOnMesh(const std::string& fileName, const std::string& meshName) throw(INTERP_KERNEL::Exception);
+  static std::vector<std::string> GetAllFieldNames(const std::string& fileName) throw(INTERP_KERNEL::Exception);
+  static std::vector<std::string> GetFieldNamesOnMesh(ParaMEDMEM::TypeOfField type, const std::string& fileName, const std::string& meshName) throw(INTERP_KERNEL::Exception);
+  static std::vector<std::string> GetCellFieldNamesOnMesh(const std::string& fileName, const std::string& meshName) throw(INTERP_KERNEL::Exception);
+  static std::vector<std::string> GetNodeFieldNamesOnMesh(const std::string& fileName, const std::string& meshName) throw(INTERP_KERNEL::Exception);
+  static double GetTimeAttachedOnFieldIteration(const std::string& fileName, const std::string& fieldName, int iteration, int order) throw(INTERP_KERNEL::Exception);
+  static void AssignStaticWritePropertiesTo(ParaMEDMEM::MEDFileWritable& obj) throw(INTERP_KERNEL::Exception);
   %extend
      {
-       static PyObject *GetFieldIterations(ParaMEDMEM::TypeOfField type, const char *fileName, const char *meshName, const char *fieldName) throw(INTERP_KERNEL::Exception)
+       static PyObject *MEDFileVersion()
+       {
+         int major,minor,release;
+         MEDLoader::MEDFileVersion(major,minor,release);
+         PyObject *ret(PyTuple_New(3));
+         PyTuple_SetItem(ret,0,SWIG_From_int(major));
+         PyTuple_SetItem(ret,1,SWIG_From_int(minor));
+         PyTuple_SetItem(ret,2,SWIG_From_int(release));
+         return ret;
+       }
+
+       static PyObject *GetFieldIterations(ParaMEDMEM::TypeOfField type, const std::string& fileName, const std::string& meshName, const std::string& fieldName) throw(INTERP_KERNEL::Exception)
        {
          std::vector< std::pair<int,int> > res=MEDLoader::GetFieldIterations(type,fileName,meshName,fieldName);
          PyObject *ret=PyList_New(res.size());
@@ -232,7 +300,7 @@ public:
          return ret;
        }
 
-       static PyObject *GetAllFieldIterations(const char *fileName, const char *fieldName) throw(INTERP_KERNEL::Exception)
+       static PyObject *GetAllFieldIterations(const std::string& fileName, const std::string& fieldName) throw(INTERP_KERNEL::Exception)
        {
          std::vector< std::pair< std::pair<int,int>, double> > res=MEDLoader::GetAllFieldIterations(fileName,fieldName);
          PyObject *ret=PyList_New(res.size());
@@ -248,7 +316,7 @@ public:
          return ret;
        }
 
-       static PyObject *GetCellFieldIterations(const char *fileName, const char *meshName, const char *fieldName) throw(INTERP_KERNEL::Exception)
+       static PyObject *GetCellFieldIterations(const std::string& fileName, const std::string& meshName, const std::string& fieldName) throw(INTERP_KERNEL::Exception)
        {
          std::vector< std::pair<int,int> > res=MEDLoader::GetCellFieldIterations(fileName,meshName,fieldName);
          PyObject *ret=PyList_New(res.size());
@@ -262,7 +330,7 @@ public:
            }
          return ret;
        }
-       static PyObject *GetNodeFieldIterations(const char *fileName, const char *meshName, const char *fieldName) throw(INTERP_KERNEL::Exception)
+       static PyObject *GetNodeFieldIterations(const std::string& fileName, const std::string& meshName, const std::string& fieldName) throw(INTERP_KERNEL::Exception)
        {
          std::vector< std::pair<int,int> > res=MEDLoader::GetNodeFieldIterations(fileName,meshName,fieldName);
          PyObject *ret=PyList_New(res.size());
@@ -276,7 +344,7 @@ public:
            }
          return ret;
        }
-       static PyObject *GetComponentsNamesOfField(const char *fileName, const char *fieldName) throw(INTERP_KERNEL::Exception)
+       static PyObject *GetComponentsNamesOfField(const std::string& fileName, const std::string& fieldName) throw(INTERP_KERNEL::Exception)
        {
          std::vector< std::pair<std::string,std::string> > res=MEDLoader::GetComponentsNamesOfField(fileName,fieldName);
          PyObject *ret=PyList_New(res.size());
@@ -290,7 +358,7 @@ public:
            }
          return ret;
        }
-       static PyObject *GetUMeshGlobalInfo(const char *fileName, const char *meshName) throw(INTERP_KERNEL::Exception)
+       static PyObject *GetUMeshGlobalInfo(const std::string& fileName, const std::string& meshName) throw(INTERP_KERNEL::Exception)
        {
          int meshDim,spaceDim,numberOfNodes;
          std::vector< std::vector< std::pair<INTERP_KERNEL::NormalizedCellType,int> > > res=MEDLoader::GetUMeshGlobalInfo(fileName,meshName,meshDim,spaceDim,numberOfNodes);
@@ -317,32 +385,32 @@ public:
          PyTuple_SetItem(ret,3,SWIG_From_int(numberOfNodes));
          return ret;
        }
-       static PyObject *ReadFieldsOnSameMesh(ParaMEDMEM::TypeOfField type, const char *fileName, const char *meshName, int meshDimRelToMax,
-                                             const char *fieldName, PyObject *liIts) throw(INTERP_KERNEL::Exception)
+       static PyObject *ReadFieldsOnSameMesh(ParaMEDMEM::TypeOfField type, const std::string& fileName, const std::string& meshName, int meshDimRelToMax,
+                                             const std::string& fieldName, PyObject *liIts) throw(INTERP_KERNEL::Exception)
        {
          std::vector<std::pair<int,int> > its=convertTimePairIdsFromPy(liIts);
          std::vector<ParaMEDMEM::MEDCouplingFieldDouble *> res=MEDLoader::ReadFieldsOnSameMesh(type,fileName,meshName,meshDimRelToMax,fieldName,its);
          return convertFieldDoubleVecToPy(res);
        }
-       static void WriteUMeshesPartition(const char *fileName, const char *meshName, PyObject *li, bool writeFromScratch) throw(INTERP_KERNEL::Exception)
+       static void WriteUMeshesPartition(const std::string& fileName, const std::string& meshName, PyObject *li, bool writeFromScratch) throw(INTERP_KERNEL::Exception)
        {
          std::vector<const ParaMEDMEM::MEDCouplingUMesh *> v;
          convertFromPyObjVectorOfObj<const ParaMEDMEM::MEDCouplingUMesh *>(li,SWIGTYPE_p_ParaMEDMEM__MEDCouplingUMesh,"MEDCouplingUMesh",v);
          MEDLoader::WriteUMeshesPartition(fileName,meshName,v,writeFromScratch);
        }
-       static void WriteUMeshesPartitionDep(const char *fileName, const char *meshName, PyObject *li, bool writeFromScratch) throw(INTERP_KERNEL::Exception)
+       static void WriteUMeshesPartitionDep(const std::string& fileName, const std::string& meshName, PyObject *li, bool writeFromScratch) throw(INTERP_KERNEL::Exception)
        {
          std::vector<const ParaMEDMEM::MEDCouplingUMesh *> v;
          convertFromPyObjVectorOfObj<const ParaMEDMEM::MEDCouplingUMesh *>(li,SWIGTYPE_p_ParaMEDMEM__MEDCouplingUMesh,"MEDCouplingUMesh",v);
          MEDLoader::WriteUMeshesPartitionDep(fileName,meshName,v,writeFromScratch);
        }
-       static void WriteUMeshes(const char *fileName, PyObject *li, bool writeFromScratch) throw(INTERP_KERNEL::Exception)
+       static void WriteUMeshes(const std::string& fileName, PyObject *li, bool writeFromScratch) throw(INTERP_KERNEL::Exception)
        {
          std::vector<const ParaMEDMEM::MEDCouplingUMesh *> v;
          convertFromPyObjVectorOfObj<const ParaMEDMEM::MEDCouplingUMesh *>(li,SWIGTYPE_p_ParaMEDMEM__MEDCouplingUMesh,"MEDCouplingUMesh",v);
          MEDLoader::WriteUMeshes(fileName,v,writeFromScratch);
        }
-       static PyObject *GetTypesOfField(const char *fileName, const char *meshName, const char *fieldName) throw(INTERP_KERNEL::Exception)
+       static PyObject *GetTypesOfField(const std::string& fileName, const std::string& meshName, const std::string& fieldName) throw(INTERP_KERNEL::Exception)
        {
          std::vector< ParaMEDMEM::TypeOfField > v=MEDLoader::GetTypesOfField(fileName,meshName,fieldName);
          int size=v.size();
@@ -351,32 +419,35 @@ public:
            PyList_SetItem(ret,i,PyInt_FromLong((int)v[i]));
          return ret;
        }
-       static ParaMEDMEM::MEDCouplingUMesh *ReadUMeshFromGroups(const char *fileName, const char *meshName, int meshDimRelToMax, PyObject *li) throw(INTERP_KERNEL::Exception)
+       static ParaMEDMEM::MEDCouplingUMesh *ReadUMeshFromGroups(const std::string& fileName, const std::string& meshName, int meshDimRelToMax, PyObject *li) throw(INTERP_KERNEL::Exception)
        {
          std::vector<std::string> grps;
          converPyListToVecString(li,grps);
          return MEDLoader::ReadUMeshFromGroups(fileName,meshName,meshDimRelToMax,grps);
        }
-       static ParaMEDMEM::MEDCouplingUMesh *ReadUMeshFromFamilies(const char *fileName, const char *meshName, int meshDimRelToMax, PyObject *li) throw(INTERP_KERNEL::Exception)
+       static ParaMEDMEM::MEDCouplingUMesh *ReadUMeshFromFamilies(const std::string& fileName, const std::string& meshName, int meshDimRelToMax, PyObject *li) throw(INTERP_KERNEL::Exception)
        {
          std::vector<std::string> fams;
          converPyListToVecString(li,fams);
          return MEDLoader::ReadUMeshFromFamilies(fileName,meshName,meshDimRelToMax,fams);
        }
      }
-  static ParaMEDMEM::MEDCouplingUMesh *ReadUMeshFromFile(const char *fileName, const char *meshName, int meshDimRelToMax=0) throw(INTERP_KERNEL::Exception);
-  static ParaMEDMEM::MEDCouplingUMesh *ReadUMeshFromFile(const char *fileName, int meshDimRelToMax=0) throw(INTERP_KERNEL::Exception);
-  static int ReadUMeshDimFromFile(const char *fileName, const char *meshName) throw(INTERP_KERNEL::Exception);
-  static ParaMEDMEM::MEDCouplingFieldDouble *ReadField(ParaMEDMEM::TypeOfField type, const char *fileName, const char *meshName, int meshDimRelToMax, const char *fieldName, int iteration, int order) throw(INTERP_KERNEL::Exception);
-  static ParaMEDMEM::MEDCouplingFieldDouble *ReadFieldCell(const char *fileName, const char *meshName, int meshDimRelToMax, const char *fieldName, int iteration, int order) throw(INTERP_KERNEL::Exception);
-  static ParaMEDMEM::MEDCouplingFieldDouble *ReadFieldNode(const char *fileName, const char *meshName, int meshDimRelToMax, const char *fieldName, int iteration, int order) throw(INTERP_KERNEL::Exception);
-  static ParaMEDMEM::MEDCouplingFieldDouble *ReadFieldGauss(const char *fileName, const char *meshName, int meshDimRelToMax, const char *fieldName, int iteration, int order) throw(INTERP_KERNEL::Exception);
-  static ParaMEDMEM::MEDCouplingFieldDouble *ReadFieldGaussNE(const char *fileName, const char *meshName, int meshDimRelToMax, const char *fieldName, int iteration, int order) throw(INTERP_KERNEL::Exception);
-  static void WriteUMesh(const char *fileName, const ParaMEDMEM::MEDCouplingUMesh *mesh, bool writeFromScratch) throw(INTERP_KERNEL::Exception);
-  static void WriteUMeshDep(const char *fileName, const ParaMEDMEM::MEDCouplingUMesh *mesh, bool writeFromScratch) throw(INTERP_KERNEL::Exception);
-  static void WriteField(const char *fileName, const ParaMEDMEM::MEDCouplingFieldDouble *f, bool writeFromScratch) throw(INTERP_KERNEL::Exception);
-  static void WriteFieldDep(const char *fileName, const ParaMEDMEM::MEDCouplingFieldDouble *f, bool writeFromScratch) throw(INTERP_KERNEL::Exception);
-  static void WriteFieldUsingAlreadyWrittenMesh(const char *fileName, const ParaMEDMEM::MEDCouplingFieldDouble *f) throw(INTERP_KERNEL::Exception);
+  static ParaMEDMEM::MEDCouplingMesh *ReadMeshFromFile(const std::string& fileName, const std::string& meshName, int meshDimRelToMax=0) throw(INTERP_KERNEL::Exception);
+  static ParaMEDMEM::MEDCouplingMesh *ReadMeshFromFile(const std::string& fileName, int meshDimRelToMax=0) throw(INTERP_KERNEL::Exception);
+  static ParaMEDMEM::MEDCouplingUMesh *ReadUMeshFromFile(const std::string& fileName, const std::string& meshName, int meshDimRelToMax=0) throw(INTERP_KERNEL::Exception);
+  static ParaMEDMEM::MEDCouplingUMesh *ReadUMeshFromFile(const std::string& fileName, int meshDimRelToMax=0) throw(INTERP_KERNEL::Exception);
+  static int ReadUMeshDimFromFile(const std::string& fileName, const std::string& meshName) throw(INTERP_KERNEL::Exception);
+  static ParaMEDMEM::MEDCouplingFieldDouble *ReadField(ParaMEDMEM::TypeOfField type, const std::string& fileName, const std::string& meshName, int meshDimRelToMax, const std::string& fieldName, int iteration, int order) throw(INTERP_KERNEL::Exception);
+  static ParaMEDMEM::MEDCouplingFieldDouble *ReadFieldCell(const std::string& fileName, const std::string& meshName, int meshDimRelToMax, const std::string& fieldName, int iteration, int order) throw(INTERP_KERNEL::Exception);
+  static ParaMEDMEM::MEDCouplingFieldDouble *ReadFieldNode(const std::string& fileName, const std::string& meshName, int meshDimRelToMax, const std::string& fieldName, int iteration, int order) throw(INTERP_KERNEL::Exception);
+  static ParaMEDMEM::MEDCouplingFieldDouble *ReadFieldGauss(const std::string& fileName, const std::string& meshName, int meshDimRelToMax, const std::string& fieldName, int iteration, int order) throw(INTERP_KERNEL::Exception);
+  static ParaMEDMEM::MEDCouplingFieldDouble *ReadFieldGaussNE(const std::string& fileName, const std::string& meshName, int meshDimRelToMax, const std::string& fieldName, int iteration, int order) throw(INTERP_KERNEL::Exception);
+  static void WriteMesh(const std::string& fileName, const ParaMEDMEM::MEDCouplingMesh *mesh, bool writeFromScratch) throw(INTERP_KERNEL::Exception);
+  static void WriteUMesh(const std::string& fileName, const ParaMEDMEM::MEDCouplingUMesh *mesh, bool writeFromScratch) throw(INTERP_KERNEL::Exception);
+  static void WriteUMeshDep(const std::string& fileName, const ParaMEDMEM::MEDCouplingUMesh *mesh, bool writeFromScratch) throw(INTERP_KERNEL::Exception);
+  static void WriteField(const std::string& fileName, const ParaMEDMEM::MEDCouplingFieldDouble *f, bool writeFromScratch) throw(INTERP_KERNEL::Exception);
+  static void WriteFieldDep(const std::string& fileName, const ParaMEDMEM::MEDCouplingFieldDouble *f, bool writeFromScratch) throw(INTERP_KERNEL::Exception);
+  static void WriteFieldUsingAlreadyWrittenMesh(const std::string& fileName, const ParaMEDMEM::MEDCouplingFieldDouble *f) throw(INTERP_KERNEL::Exception);
 };
 
 namespace ParaMEDMEM
@@ -402,10 +473,14 @@ namespace ParaMEDMEM
     bool isNodeFamilyFieldReading() const;
     bool isCellNameFieldReading() const;
     bool isNodeNameFieldReading() const;
+    bool isCellNumFieldReading() const;
+    bool isNodeNumFieldReading() const;
     void setCellFamilyFieldReading(bool b);
     void setNodeFamilyFieldReading(bool b);
     void setCellNameFieldReading(bool b);
     void setNodeNameFieldReading(bool b);
+    void setCellNumFieldReading(bool b);
+    void setNodeNumFieldReading(bool b);
     %extend
     {
       std::string __str__() const throw(INTERP_KERNEL::Exception)
@@ -422,23 +497,225 @@ namespace ParaMEDMEM
       }
     }
   };
+  class MEDFileJointCorrespondence : public RefCountObject, public MEDFileWritable
+  {
+  public:
+    static MEDFileJointCorrespondence *New() throw(INTERP_KERNEL::Exception);
+    static MEDFileJointCorrespondence *New(DataArrayInt* correspondence) // nodes
+      throw(INTERP_KERNEL::Exception);
+    static MEDFileJointCorrespondence *New(DataArrayInt* correspondence,  // cells
+                                           INTERP_KERNEL::NormalizedCellType loc_geo_type,
+                                           INTERP_KERNEL::NormalizedCellType rem_geo_type)
+      throw(INTERP_KERNEL::Exception);
+    std::vector<const BigMemoryObject *> getDirectChildrenWithNull() const;
+    MEDFileJointCorrespondence *deepCpy() const;
+    MEDFileJointCorrespondence *shallowCpy() const;
+    void setIsNodal(bool isNodal);
+    bool getIsNodal() const;
+    bool isEqual(const MEDFileJointCorrespondence *other) const;
+    void setLocalGeometryType(INTERP_KERNEL::NormalizedCellType type);
+    INTERP_KERNEL::NormalizedCellType getLocalGeometryType() const;
+    void setRemoteGeometryType(INTERP_KERNEL::NormalizedCellType type);
+    INTERP_KERNEL::NormalizedCellType getRemoteGeometryType() const;
+    void setCorrespondence(DataArrayInt *corr) throw(INTERP_KERNEL::Exception);
+    const DataArrayInt *getCorrespondence() const throw(INTERP_KERNEL::Exception);
+    void write(const std::string& fileName, int mode, const std::string& localMeshName, const std::string& jointName, int order, int iteration) const throw(INTERP_KERNEL::Exception);
+    std::string simpleRepr() const throw(INTERP_KERNEL::Exception);
+    %extend
+    {
+      MEDFileJointCorrespondence()
+      {
+        return MEDFileJointCorrespondence::New();
+      }
+      MEDFileJointCorrespondence(DataArrayInt* correspondence) throw(INTERP_KERNEL::Exception)
+      {
+        return MEDFileJointCorrespondence::New(correspondence);
+      }
+      MEDFileJointCorrespondence(DataArrayInt* correspondence,  // cells
+                                 INTERP_KERNEL::NormalizedCellType loc_geo_type,
+                                 INTERP_KERNEL::NormalizedCellType rem_geo_type) throw(INTERP_KERNEL::Exception)
+      {
+        return MEDFileJointCorrespondence::New(correspondence, loc_geo_type, rem_geo_type);
+      }
+
+      std::string __str__() const throw(INTERP_KERNEL::Exception)
+      {
+        return self->simpleRepr();
+      }
+    }
+  };
+
+  class MEDFileJointOneStep : public RefCountObject, public MEDFileWritable
+  {
+  public:
+    static MEDFileJointOneStep *New(int dt=-1, int it=-1) throw(INTERP_KERNEL::Exception);
+    static MEDFileJointOneStep *New(const std::string& fileName, const std::string& mName, const std::string& jointName, int number=1) throw(INTERP_KERNEL::Exception);
+    MEDFileJointOneStep *deepCpy() const;
+    MEDFileJointOneStep *shallowCpy() const;
+    bool isEqual(const MEDFileJointOneStep *other) const;
+    void setOrder(int order);
+    int getOrder() const;
+    void setIteration(int it);
+    int getIteration() const;
+    void pushCorrespondence(MEDFileJointCorrespondence* correspondence);
+    int getNumberOfCorrespondences() const;
+    MEDFileJointCorrespondence *getCorrespondenceAtPos(int i) const;
+    void write(const std::string& fileName, int mode, const std::string& localMeshName, const std::string& jointName) const throw(INTERP_KERNEL::Exception);
+    std::string simpleRepr() const throw(INTERP_KERNEL::Exception);
+    %extend
+    {
+      MEDFileJointOneStep()
+      {
+        return MEDFileJointOneStep::New();
+      }
+
+      MEDFileJointOneStep(const std::string& fileName, const std::string& mName, const std::string& jointName, int number) throw(INTERP_KERNEL::Exception)
+      {
+        return MEDFileJointOneStep::New(fileName,mName,jointName,number);
+      }
+
+      std::string __str__() const throw(INTERP_KERNEL::Exception)
+      {
+        return self->simpleRepr();
+      }
+    }
+  };
+  class MEDFileJoint : public RefCountObject, public MEDFileWritable
+  {
+  public:
+    static MEDFileJoint *New() throw(INTERP_KERNEL::Exception);
+    static MEDFileJoint *New(const std::string& fileName, const std::string& mName, int num) throw(INTERP_KERNEL::Exception);
+    static MEDFileJoint *New(const std::string& jointName, const std::string& locMeshName, const std::string& remoteMeshName, int remoteMeshNum ) throw(INTERP_KERNEL::Exception);
+    MEDFileJoint *deepCpy() const;
+    MEDFileJoint *shallowCpy() const;
+    bool isEqual(const MEDFileJoint *other) const;
+    void setLocalMeshName(const std::string& name);
+    std::string getLocalMeshName() const;
+    void setRemoteMeshName(const std::string& name);
+    std::string getRemoteMeshName() const;
+    void setDescription(const std::string& name);
+    std::string getDescription() const;
+    void setJointName(const std::string& name);
+    std::string getJointName() const;
+    bool changeJointNames(const std::vector< std::pair<std::string,std::string> >& modifTab) throw(INTERP_KERNEL::Exception);
+    void setDomainNumber(const int& number);
+    int getDomainNumber() const;
+    void pushStep(MEDFileJointOneStep* step);
+    int getNumberOfSteps() const;
+    MEDFileJointOneStep *getStepAtPos(int i) const;
+    void write(const std::string& fileName, int mode) const throw(INTERP_KERNEL::Exception);
+    std::string simpleRepr() const;
+    %extend
+    {
+      MEDFileJoint()
+      {
+        return MEDFileJoint::New();
+      }
+      
+      MEDFileJoint(const std::string& fileName, const std::string& mName, int num) throw(INTERP_KERNEL::Exception)
+      {
+        return MEDFileJoint::New(fileName,mName,num);
+      }
+
+      std::string __str__() const throw(INTERP_KERNEL::Exception)
+      {
+        return self->simpleRepr();
+      }
+    }
+  };
+
+  class MEDFileJoints : public RefCountObject, public MEDFileWritable
+  {
+  public:
+    static MEDFileJoints *New() throw(INTERP_KERNEL::Exception);
+    static MEDFileJoints *New(const std::string& fileName, const std::string& meshName) throw(INTERP_KERNEL::Exception);
+    MEDFileJoints *deepCpy() const;
+    std::string simpleRepr() const;
+    void write(const std::string& fileName, int mode) const throw(INTERP_KERNEL::Exception);
+    std::string getMeshName() const;
+    int getNumberOfJoints() const;
+    std::vector<std::string> getJointsNames() const;
+    bool changeJointNames(const std::vector< std::pair<std::string,std::string> >& modifTab) throw(INTERP_KERNEL::Exception);
+    void resize(int newSize) throw(INTERP_KERNEL::Exception);
+    void pushJoint(MEDFileJoint *joint);
+    void setJointAtPos(int i, MEDFileJoint *joint) throw(INTERP_KERNEL::Exception);
+    void destroyJointAtPos(int i) throw(INTERP_KERNEL::Exception);
+    %extend
+    {
+      MEDFileJoints()
+      {
+        return MEDFileJoints::New();
+      }
+      
+      MEDFileJoints(const std::string& fileName, const std::string& meshName) throw(INTERP_KERNEL::Exception)
+      {
+        return MEDFileJoints::New(fileName,meshName);
+      }
+
+      std::string __str__() const throw(INTERP_KERNEL::Exception)
+      {
+        return self->simpleRepr();
+      }
+
+      MEDFileJoint *__getitem__(PyObject *obj) throw(INTERP_KERNEL::Exception)
+      {
+        if(PyInt_Check(obj))
+          {
+            MEDFileJoint *ret=self->getJointAtPos(InterpreteNegativeInt((int)PyInt_AS_LONG(obj),self->getNumberOfJoints()));
+            if(ret)
+              ret->incrRef();
+            return ret;
+          }
+        else if(PyString_Check(obj))
+          {
+            MEDFileJoint *ret=self->getJointWithName(PyString_AsString(obj));
+            if(ret)
+              ret->incrRef();
+            return ret;
+          }
+        else
+          throw INTERP_KERNEL::Exception("MEDFileJoints::__getitem__ : only integer or string with meshname supported !");
+      }
+
+      int __len__() const throw(INTERP_KERNEL::Exception)
+      {
+        return self->getNumberOfJoints();
+      }
+
+      MEDFileJoint *getJointAtPos(int i) const throw(INTERP_KERNEL::Exception)
+      {
+        MEDFileJoint *ret=self->getJointAtPos(i);
+        if(ret)
+          ret->incrRef();
+        return ret;
+      }
+
+      MEDFileJoint *getJointWithName(const std::string& paramName) const throw(INTERP_KERNEL::Exception)
+      {
+        MEDFileJoint *ret=self->getJointWithName(paramName);
+        if(ret)
+          ret->incrRef();
+        return ret;
+      }
+    }
+  };
 
   class MEDFileMesh : public RefCountObject, public MEDFileWritable
   {
   public:
-    static MEDFileMesh *New(const char *fileName) throw(INTERP_KERNEL::Exception);
-    static MEDFileMesh *New(const char *fileName, const char *mName, int dt=-1, int it=-1) throw(INTERP_KERNEL::Exception);
+    static MEDFileMesh *New(const std::string& fileName, MEDFileMeshReadSelector *mrs=0) throw(INTERP_KERNEL::Exception);
+    static MEDFileMesh *New(const std::string& fileName, const std::string& mName, int dt=-1, int it=-1, MEDFileMeshReadSelector *mrs=0) throw(INTERP_KERNEL::Exception);
     virtual MEDFileMesh *createNewEmpty() const throw(INTERP_KERNEL::Exception);
     virtual MEDFileMesh *deepCpy() const throw(INTERP_KERNEL::Exception);
     virtual MEDFileMesh *shallowCpy() const throw(INTERP_KERNEL::Exception);
     virtual void clearNonDiscrAttributes() const throw(INTERP_KERNEL::Exception);
-    void setName(const char *name);
-    const char *getName();
-    const char *getUnivName() const;
+    void setName(const std::string& name);
+    std::string getName();
+    std::string getUnivName() const;
     bool getUnivNameWrStatus() const;
     void setUnivNameWrStatus(bool newStatus);
-    void setDescription(const char *name);
-    const char *getDescription() const;
+    void setDescription(const std::string& name);
+    std::string getDescription() const;
     void setOrder(int order);
     int getOrder() const;
     void setIteration(int it);
@@ -446,51 +723,62 @@ namespace ParaMEDMEM
     void setTimeValue(double time);
     void setTime(int dt, int it, double time);
     double getTimeValue() const;
-    void setTimeUnit(const char *unit);
-    const char *getTimeUnit() const;
+    void setTimeUnit(const std::string& unit);
+    std::string getTimeUnit() const;
     virtual int getNumberOfNodes() const throw(INTERP_KERNEL::Exception);
+    virtual int getNumberOfCellsAtLevel(int meshDimRelToMaxExt) const throw(INTERP_KERNEL::Exception);
+    virtual bool hasImplicitPart() const throw(INTERP_KERNEL::Exception);
+    virtual int buildImplicitPartIfAny(INTERP_KERNEL::NormalizedCellType gt) const throw(INTERP_KERNEL::Exception);
+    virtual void releaseImplicitPartIfAny() const throw(INTERP_KERNEL::Exception);
     virtual std::vector<int> getFamArrNonEmptyLevelsExt() const throw(INTERP_KERNEL::Exception);
     virtual std::vector<int> getNumArrNonEmptyLevelsExt() const throw(INTERP_KERNEL::Exception);
     virtual std::vector<int> getNameArrNonEmptyLevelsExt() const throw(INTERP_KERNEL::Exception);
+    virtual std::vector<int> getDistributionOfTypes(int meshDimRelToMax) const throw(INTERP_KERNEL::Exception);
     std::vector<int> getNonEmptyLevels() const throw(INTERP_KERNEL::Exception);
     std::vector<int> getNonEmptyLevelsExt() const throw(INTERP_KERNEL::Exception);
-    void write(const char *fileName, int mode) const throw(INTERP_KERNEL::Exception);
+    void write(const std::string& fileName, int mode) const throw(INTERP_KERNEL::Exception);
     int getSizeAtLevel(int meshDimRelToMaxExt) const throw(INTERP_KERNEL::Exception);
     //
-    bool existsGroup(const char *groupName) const throw(INTERP_KERNEL::Exception);
+    bool existsGroup(const std::string& groupName) const throw(INTERP_KERNEL::Exception);
     bool existsFamily(int famId) const throw(INTERP_KERNEL::Exception);
-    bool existsFamily(const char *familyName) const throw(INTERP_KERNEL::Exception);
-    void setFamilyId(const char *familyName, int id) throw(INTERP_KERNEL::Exception);
-    void setFamilyIdUnique(const char *familyName, int id) throw(INTERP_KERNEL::Exception);
-    void addFamily(const char *familyName, int id) throw(INTERP_KERNEL::Exception);
-    void addFamilyOnGrp(const char *grpName, const char *famName) throw(INTERP_KERNEL::Exception);
-    virtual void createGroupOnAll(int meshDimRelToMaxExt, const char *groupName) throw(INTERP_KERNEL::Exception);
+    bool existsFamily(const std::string& familyName) const throw(INTERP_KERNEL::Exception);
+    void setFamilyId(const std::string& familyName, int id) throw(INTERP_KERNEL::Exception);
+    void setFamilyIdUnique(const std::string& familyName, int id) throw(INTERP_KERNEL::Exception);
+    void addFamily(const std::string& familyName, int id) throw(INTERP_KERNEL::Exception);
+    void addFamilyOnGrp(const std::string& grpName, const std::string& famName) throw(INTERP_KERNEL::Exception);
+    virtual void createGroupOnAll(int meshDimRelToMaxExt, const std::string& groupName) throw(INTERP_KERNEL::Exception);
     virtual bool keepFamIdsOnlyOnLevs(const std::vector<int>& famIds, const std::vector<int>& levs) throw(INTERP_KERNEL::Exception);
     void copyFamGrpMapsFrom(const MEDFileMesh& other) throw(INTERP_KERNEL::Exception);
+    void clearGrpMap() throw(INTERP_KERNEL::Exception);
+    void clearFamMap() throw(INTERP_KERNEL::Exception);
+    void clearFamGrpMaps() throw(INTERP_KERNEL::Exception);
     const std::map<std::string,int>& getFamilyInfo() const throw(INTERP_KERNEL::Exception);
     const std::map<std::string, std::vector<std::string> >& getGroupInfo() const throw(INTERP_KERNEL::Exception);
-    std::vector<std::string> getFamiliesOnGroup(const char *name) const throw(INTERP_KERNEL::Exception);
+    std::vector<std::string> getFamiliesOnGroup(const std::string& name) const throw(INTERP_KERNEL::Exception);
     std::vector<std::string> getFamiliesOnGroups(const std::vector<std::string>& grps) const throw(INTERP_KERNEL::Exception);
-    std::vector<int> getFamiliesIdsOnGroup(const char *name) const throw(INTERP_KERNEL::Exception);
-    void setFamiliesOnGroup(const char *name, const std::vector<std::string>& fams) throw(INTERP_KERNEL::Exception);
-    void setFamiliesIdsOnGroup(const char *name, const std::vector<int>& famIds) throw(INTERP_KERNEL::Exception);
-    std::vector<std::string> getGroupsOnFamily(const char *name) const throw(INTERP_KERNEL::Exception);
-    void setGroupsOnFamily(const char *famName, const std::vector<std::string>& grps) throw(INTERP_KERNEL::Exception);
+    std::vector<int> getFamiliesIdsOnGroup(const std::string& name) const throw(INTERP_KERNEL::Exception);
+    void setFamiliesOnGroup(const std::string& name, const std::vector<std::string>& fams) throw(INTERP_KERNEL::Exception);
+    void setFamiliesIdsOnGroup(const std::string& name, const std::vector<int>& famIds) throw(INTERP_KERNEL::Exception);
+    std::vector<std::string> getGroupsOnFamily(const std::string& name) const throw(INTERP_KERNEL::Exception);
+    void setGroupsOnFamily(const std::string& famName, const std::vector<std::string>& grps) throw(INTERP_KERNEL::Exception);
     std::vector<std::string> getGroupsNames() const throw(INTERP_KERNEL::Exception);
     std::vector<std::string> getFamiliesNames() const throw(INTERP_KERNEL::Exception);
     void assignFamilyNameWithGroupName() throw(INTERP_KERNEL::Exception);
     std::vector<std::string> removeEmptyGroups() throw(INTERP_KERNEL::Exception);
-    void removeGroup(const char *name) throw(INTERP_KERNEL::Exception);
-    void removeFamily(const char *name) throw(INTERP_KERNEL::Exception);
+    void removeGroup(const std::string& name) throw(INTERP_KERNEL::Exception);
+    void removeFamily(const std::string& name) throw(INTERP_KERNEL::Exception);
     std::vector<std::string> removeOrphanGroups() throw(INTERP_KERNEL::Exception);
     std::vector<std::string> removeOrphanFamilies() throw(INTERP_KERNEL::Exception);
-    void changeGroupName(const char *oldName, const char *newName) throw(INTERP_KERNEL::Exception);
-    void changeFamilyName(const char *oldName, const char *newName) throw(INTERP_KERNEL::Exception);
+    void removeFamiliesReferedByNoGroups() throw(INTERP_KERNEL::Exception);
+    void rearrangeFamilies() throw(INTERP_KERNEL::Exception);
+    void checkOrphanFamilyZero() const throw(INTERP_KERNEL::Exception);
+    void changeGroupName(const std::string& oldName, const std::string& newName) throw(INTERP_KERNEL::Exception);
+    void changeFamilyName(const std::string& oldName, const std::string& newName) throw(INTERP_KERNEL::Exception);
     void changeFamilyId(int oldId, int newId) throw(INTERP_KERNEL::Exception);
-    void changeAllGroupsContainingFamily(const char *familyNameToChange, const std::vector<std::string>& newFamiliesNames) throw(INTERP_KERNEL::Exception);
+    void changeAllGroupsContainingFamily(const std::string& familyNameToChange, const std::vector<std::string>& newFamiliesNames) throw(INTERP_KERNEL::Exception);
     void setFamilyInfo(const std::map<std::string,int>& info);
     void setGroupInfo(const std::map<std::string, std::vector<std::string> >&info);
-    int getFamilyId(const char *name) const throw(INTERP_KERNEL::Exception);
+    int getFamilyId(const std::string& name) const throw(INTERP_KERNEL::Exception);
     int getMaxAbsFamilyId() const throw(INTERP_KERNEL::Exception);
     int getMaxFamilyId() const throw(INTERP_KERNEL::Exception);
     int getMinFamilyId() const throw(INTERP_KERNEL::Exception);
@@ -515,26 +803,21 @@ namespace ParaMEDMEM
     virtual void setFamilyFieldArr(int meshDimRelToMaxExt, DataArrayInt *famArr) throw(INTERP_KERNEL::Exception);
     virtual void setRenumFieldArr(int meshDimRelToMaxExt, DataArrayInt *renumArr) throw(INTERP_KERNEL::Exception);
     virtual void setNameFieldAtLevel(int meshDimRelToMaxExt, DataArrayAsciiChar *nameArr) throw(INTERP_KERNEL::Exception);
+    virtual void addNodeGroup(const DataArrayInt *ids) throw(INTERP_KERNEL::Exception);
+    virtual void addGroup(int meshDimRelToMaxExt, const DataArrayInt *ids) throw(INTERP_KERNEL::Exception);
     virtual DataArrayInt *getFamiliesArr(int meshDimRelToMaxExt, const std::vector<std::string>& fams, bool renum=false) const throw(INTERP_KERNEL::Exception);
     virtual DataArrayInt *getGroupsArr(int meshDimRelToMaxExt, const std::vector<std::string>& grps, bool renum=false) const throw(INTERP_KERNEL::Exception);
-    virtual DataArrayInt *getGroupArr(int meshDimRelToMaxExt, const char *grp, bool renum=false) const throw(INTERP_KERNEL::Exception);
-    virtual DataArrayInt *getFamilyArr(int meshDimRelToMaxExt, const char *fam, bool renum=false) const throw(INTERP_KERNEL::Exception);
-    virtual DataArrayInt *getNodeGroupArr(const char *grp, bool renum=false) const throw(INTERP_KERNEL::Exception);
+    virtual DataArrayInt *getGroupArr(int meshDimRelToMaxExt, const std::string& grp, bool renum=false) const throw(INTERP_KERNEL::Exception);
+    virtual DataArrayInt *getFamilyArr(int meshDimRelToMaxExt, const std::string& fam, bool renum=false) const throw(INTERP_KERNEL::Exception);
+    virtual DataArrayInt *getNodeGroupArr(const std::string& grp, bool renum=false) const throw(INTERP_KERNEL::Exception);
     virtual DataArrayInt *getNodeGroupsArr(const std::vector<std::string>& grps, bool renum=false) const throw(INTERP_KERNEL::Exception);
-    virtual DataArrayInt *getNodeFamilyArr(const char *fam, bool renum=false) const throw(INTERP_KERNEL::Exception);
+    virtual DataArrayInt *getNodeFamilyArr(const std::string& fam, bool renum=false) const throw(INTERP_KERNEL::Exception);
     virtual DataArrayInt *getNodeFamiliesArr(const std::vector<std::string>& fams, bool renum=false) const throw(INTERP_KERNEL::Exception);
+    int getNumberOfJoints();
+    MEDFileJoints *getJoints();
+    void           setJoints( MEDFileJoints* joints );
     %extend
        {
-         MEDFileMesh(const char *fileName) throw(INTERP_KERNEL::Exception)
-         {
-           return MEDFileMesh::New(fileName);
-         }
-
-         MEDFileMesh(const char *fileName, const char *mName, int dt=-1, int it=-1) throw(INTERP_KERNEL::Exception)
-         {
-           return MEDFileMesh::New(fileName,mName,dt,it);
-         }
-         
          std::string __str__() const throw(INTERP_KERNEL::Exception)
          {
            return self->simpleRepr();
@@ -562,6 +845,13 @@ namespace ParaMEDMEM
            PyList_SetItem(res,1,PyString_FromString(what.c_str()));
            return res;
          }
+
+         void setGroupsAtLevel(int meshDimRelToMaxExt, PyObject *li, bool renum=false) throw(INTERP_KERNEL::Exception)
+         {
+           std::vector<const DataArrayInt *> grps;
+           convertFromPyObjVectorOfObj<const ParaMEDMEM::DataArrayInt *>(li,SWIGTYPE_p_ParaMEDMEM__DataArrayInt,"DataArrayInt",grps);
+           self->setGroupsAtLevel(meshDimRelToMaxExt,grps,renum);
+         }
          
          PyObject *areFamsEqual(const MEDFileMesh *other) const throw(INTERP_KERNEL::Exception)
          {
@@ -587,6 +877,26 @@ namespace ParaMEDMEM
            return res;
          }
 
+         PyObject *getAllGeoTypes() const throw(INTERP_KERNEL::Exception)
+         {
+           std::vector<INTERP_KERNEL::NormalizedCellType> result(self->getAllGeoTypes());
+           std::vector<INTERP_KERNEL::NormalizedCellType>::const_iterator iL=result.begin();
+           PyObject *res=PyList_New(result.size());
+           for(int i=0;iL!=result.end(); i++, iL++)
+             PyList_SetItem(res,i,PyInt_FromLong(*iL));
+           return res;
+         }
+
+         PyObject *getGeoTypesAtLevel(int meshDimRelToMax) const throw(INTERP_KERNEL::Exception)
+         {
+           std::vector<INTERP_KERNEL::NormalizedCellType> result(self->getGeoTypesAtLevel(meshDimRelToMax));
+           std::vector<INTERP_KERNEL::NormalizedCellType>::const_iterator iL=result.begin();
+           PyObject *res=PyList_New(result.size());
+           for(int i=0;iL!=result.end(); i++, iL++)
+             PyList_SetItem(res,i,PyInt_FromLong(*iL));
+           return res;
+         }
+
          PyObject *getFamilyFieldAtLevel(int meshDimRelToMaxExt) const throw(INTERP_KERNEL::Exception)
          {
            const DataArrayInt *tmp=self->getFamilyFieldAtLevel(meshDimRelToMaxExt);
@@ -595,6 +905,14 @@ namespace ParaMEDMEM
            return SWIG_NewPointerObj(SWIG_as_voidptr(tmp),SWIGTYPE_p_ParaMEDMEM__DataArrayInt, SWIG_POINTER_OWN | 0 );
          }
 
+         PyObject *getOrCreateAndGetFamilyFieldAtLevel(int meshDimRelToMaxExt) throw(INTERP_KERNEL::Exception)
+         {
+           const DataArrayInt *tmp=self->getOrCreateAndGetFamilyFieldAtLevel(meshDimRelToMaxExt);
+           if(tmp)
+             tmp->incrRef();
+           return SWIG_NewPointerObj(SWIG_as_voidptr(tmp),SWIGTYPE_p_ParaMEDMEM__DataArrayInt, SWIG_POINTER_OWN | 0 );
+         }
+
          PyObject *getNumberFieldAtLevel(int meshDimRelToMaxExt) const throw(INTERP_KERNEL::Exception)
          {
            const DataArrayInt *tmp=self->getNumberFieldAtLevel(meshDimRelToMaxExt);
@@ -602,6 +920,14 @@ namespace ParaMEDMEM
              tmp->incrRef();
            return SWIG_NewPointerObj(SWIG_as_voidptr(tmp),SWIGTYPE_p_ParaMEDMEM__DataArrayInt, SWIG_POINTER_OWN | 0 );
          }
+
+         PyObject *getRevNumberFieldAtLevel(int meshDimRelToMaxExt) const throw(INTERP_KERNEL::Exception)
+         {
+           const DataArrayInt *tmp=self->getRevNumberFieldAtLevel(meshDimRelToMaxExt);
+           if(tmp)
+             tmp->incrRef();
+           return SWIG_NewPointerObj(SWIG_as_voidptr(tmp),SWIGTYPE_p_ParaMEDMEM__DataArrayInt, SWIG_POINTER_OWN | 0 );
+         }
          
          PyObject *getNameFieldAtLevel(int meshDimRelToMaxExt) const throw(INTERP_KERNEL::Exception)
          {
@@ -660,78 +986,192 @@ namespace ParaMEDMEM
   class MEDFileUMesh : public MEDFileMesh
   {
   public:
-    static MEDFileUMesh *New(const char *fileName, const char *mName, int dt=-1, int it=-1) throw(INTERP_KERNEL::Exception);
-    static MEDFileUMesh *New(const char *fileName) throw(INTERP_KERNEL::Exception);
+    static MEDFileUMesh *New(const std::string& fileName, const std::string& mName, int dt=-1, int it=-1, MEDFileMeshReadSelector *mrs=0) throw(INTERP_KERNEL::Exception);
+    static MEDFileUMesh *New(const std::string& fileName, MEDFileMeshReadSelector *mrs=0) throw(INTERP_KERNEL::Exception);
     static MEDFileUMesh *New();
     ~MEDFileUMesh();
     int getSpaceDimension() const throw(INTERP_KERNEL::Exception);
+    int getRelativeLevOnGeoType(INTERP_KERNEL::NormalizedCellType gt) const throw(INTERP_KERNEL::Exception);
     //
-    std::vector<int> getGrpNonEmptyLevels(const char *grp) const throw(INTERP_KERNEL::Exception);
-    std::vector<int> getGrpNonEmptyLevelsExt(const char *grp) const throw(INTERP_KERNEL::Exception);
-    std::vector<int> getFamNonEmptyLevels(const char *fam) const throw(INTERP_KERNEL::Exception);
-    std::vector<int> getFamNonEmptyLevelsExt(const char *fam) const throw(INTERP_KERNEL::Exception);
+    std::vector<int> getGrpNonEmptyLevels(const std::string& grp) const throw(INTERP_KERNEL::Exception);
+    std::vector<int> getGrpNonEmptyLevelsExt(const std::string& grp) const throw(INTERP_KERNEL::Exception);
+    std::vector<int> getFamNonEmptyLevels(const std::string& fam) const throw(INTERP_KERNEL::Exception);
+    std::vector<int> getFamNonEmptyLevelsExt(const std::string& fam) const throw(INTERP_KERNEL::Exception);
     std::vector<int> getGrpsNonEmptyLevels(const std::vector<std::string>& grps) const throw(INTERP_KERNEL::Exception);
     std::vector<int> getGrpsNonEmptyLevelsExt(const std::vector<std::string>& grps) const throw(INTERP_KERNEL::Exception);
     std::vector<int> getFamsNonEmptyLevels(const std::vector<std::string>& fams) const throw(INTERP_KERNEL::Exception);
     std::vector<int> getFamsNonEmptyLevelsExt(const std::vector<std::string>& fams) const throw(INTERP_KERNEL::Exception);
     std::vector<std::string> getGroupsOnSpecifiedLev(int meshDimRelToMaxExt) const throw(INTERP_KERNEL::Exception);
-    MEDCouplingUMesh *getGroup(int meshDimRelToMaxExt, const char *grp, bool renum=false) const throw(INTERP_KERNEL::Exception);
-    DataArrayInt *getGroupArr(int meshDimRelToMaxExt, const char *grp, bool renum=false) const throw(INTERP_KERNEL::Exception);
+    MEDCouplingUMesh *getGroup(int meshDimRelToMaxExt, const std::string& grp, bool renum=false) const throw(INTERP_KERNEL::Exception);
     MEDCouplingUMesh *getGroups(int meshDimRelToMaxExt, const std::vector<std::string>& grps, bool renum=false) const throw(INTERP_KERNEL::Exception);
-    DataArrayInt *getGroupsArr(int meshDimRelToMaxExt, const std::vector<std::string>& grps, bool renum=false) const throw(INTERP_KERNEL::Exception);
-    MEDCouplingUMesh *getFamily(int meshDimRelToMaxExt, const char *fam, bool renum=false) const throw(INTERP_KERNEL::Exception);
-    DataArrayInt *getFamilyArr(int meshDimRelToMaxExt, const char *fam, bool renum=false) const throw(INTERP_KERNEL::Exception);
+    MEDCouplingUMesh *getFamily(int meshDimRelToMaxExt, const std::string& fam, bool renum=false) const throw(INTERP_KERNEL::Exception);
     MEDCouplingUMesh *getFamilies(int meshDimRelToMaxExt, const std::vector<std::string>& fams, bool renum=false) const throw(INTERP_KERNEL::Exception);
-    DataArrayInt *getFamiliesArr(int meshDimRelToMaxExt, const std::vector<std::string>& fams, bool renum=false) const throw(INTERP_KERNEL::Exception);
-    DataArrayInt *getNodeGroupArr(const char *grp, bool renum=false) const throw(INTERP_KERNEL::Exception);
     DataArrayInt *getNodeGroupsArr(const std::vector<std::string>& grps, bool renum=false) const throw(INTERP_KERNEL::Exception);
-    DataArrayInt *getNodeFamilyArr(const char *fam, bool renum=false) const throw(INTERP_KERNEL::Exception);
-    DataArrayInt *getNodeFamiliesArr(const std::vector<std::string>& fams, bool renum=false) const throw(INTERP_KERNEL::Exception);
     MEDCouplingUMesh *getMeshAtLevel(int meshDimRelToMaxExt, bool renum=false) const throw(INTERP_KERNEL::Exception);
     MEDCouplingUMesh *getLevel0Mesh(bool renum=false) const throw(INTERP_KERNEL::Exception);
     MEDCouplingUMesh *getLevelM1Mesh(bool renum=false) const throw(INTERP_KERNEL::Exception);
     MEDCouplingUMesh *getLevelM2Mesh(bool renum=false) const throw(INTERP_KERNEL::Exception);
     MEDCouplingUMesh *getLevelM3Mesh(bool renum=false) const throw(INTERP_KERNEL::Exception);
+    void forceComputationOfParts() const throw(INTERP_KERNEL::Exception);
     //
     void setFamilyNameAttachedOnId(int id, const std::string& newFamName) throw(INTERP_KERNEL::Exception);
     void setCoords(DataArrayDouble *coords) throw(INTERP_KERNEL::Exception);
     void eraseGroupsAtLevel(int meshDimRelToMaxExt) throw(INTERP_KERNEL::Exception);
-    void addNodeGroup(const DataArrayInt *ids) throw(INTERP_KERNEL::Exception);
-    void addGroup(int meshDimRelToMaxExt, const DataArrayInt *ids) throw(INTERP_KERNEL::Exception);
     void removeMeshAtLevel(int meshDimRelToMax) throw(INTERP_KERNEL::Exception);
+    void setMeshAtLevel(int meshDimRelToMax, MEDCoupling1GTUMesh *m) throw(INTERP_KERNEL::Exception);
     void setMeshAtLevel(int meshDimRelToMax, MEDCouplingUMesh *m, bool newOrOld=false) throw(INTERP_KERNEL::Exception);
     void optimizeFamilies() throw(INTERP_KERNEL::Exception);
     DataArrayInt *zipCoords() throw(INTERP_KERNEL::Exception);
+    DataArrayInt *extractFamilyFieldOnGeoType(INTERP_KERNEL::NormalizedCellType gt) const throw(INTERP_KERNEL::Exception);
+    DataArrayInt *extractNumberFieldOnGeoType(INTERP_KERNEL::NormalizedCellType gt) const throw(INTERP_KERNEL::Exception);
+    MEDFileUMesh *buildExtrudedMesh(const MEDCouplingUMesh *m1D, int policy) const throw(INTERP_KERNEL::Exception);
+    MEDFileUMesh *linearToQuadratic(int conversionType=0, double eps=1e-12) const throw(INTERP_KERNEL::Exception);
+    MEDFileUMesh *quadraticToLinear(double eps=1e-12) const throw(INTERP_KERNEL::Exception);
     %extend
        { 
-         MEDFileUMesh(const char *fileName, const char *mName, int dt=-1, int it=-1) throw(INTERP_KERNEL::Exception)
+         MEDFileUMesh(const std::string& fileName, const std::string& mName, int dt=-1, int it=-1, MEDFileMeshReadSelector *mrs=0) throw(INTERP_KERNEL::Exception)
          {
-           return MEDFileUMesh::New(fileName,mName,dt,it);
+           return MEDFileUMesh::New(fileName,mName,dt,it,mrs);
          }
 
-         MEDFileUMesh(const char *fileName) throw(INTERP_KERNEL::Exception)
+         MEDFileUMesh(const std::string& fileName, MEDFileMeshReadSelector *mrs=0) throw(INTERP_KERNEL::Exception)
          {
-           return MEDFileUMesh::New(fileName);
+           return MEDFileUMesh::New(fileName,mrs);
          }
 
          MEDFileUMesh()
          {
            return MEDFileUMesh::New();
          }
-         
-         PyObject *getRevNumberFieldAtLevel(int meshDimRelToMaxExt) const throw(INTERP_KERNEL::Exception)
+
+         // serialization
+         static PyObject *___new___(PyObject *cls, PyObject *args) throw(INTERP_KERNEL::Exception)
          {
-           const DataArrayInt *tmp=self->getRevNumberFieldAtLevel(meshDimRelToMaxExt);
-           if(tmp)
-             tmp->incrRef();
-           return SWIG_NewPointerObj(SWIG_as_voidptr(tmp),SWIGTYPE_p_ParaMEDMEM__DataArrayInt, SWIG_POINTER_OWN | 0 );
+           return NewMethWrapCallInitOnlyIfEmptyDictInInput(cls,args,"MEDFileUMesh");
          }
-         
-         void setGroupsAtLevel(int meshDimRelToMaxExt, PyObject *li, bool renum=false) throw(INTERP_KERNEL::Exception)
+
+         static MEDFileUMesh *LoadPartOf(const std::string& fileName, const std::string& mName, PyObject *types, const std::vector<int>& slicPerTyp, int dt=-1, int it=-1, MEDFileMeshReadSelector *mrs=0) throw(INTERP_KERNEL::Exception)
          {
-           std::vector<const DataArrayInt *> grps;
-           convertFromPyObjVectorOfObj<const ParaMEDMEM::DataArrayInt *>(li,SWIGTYPE_p_ParaMEDMEM__DataArrayInt,"DataArrayInt",grps);
-           self->setGroupsAtLevel(meshDimRelToMaxExt,grps,renum);
+           std::vector<int> typesCpp1;
+           convertPyToNewIntArr3(types,typesCpp1);
+           std::size_t sz(typesCpp1.size());
+           std::vector<INTERP_KERNEL::NormalizedCellType> typesCpp2(sz);
+           for(std::size_t ii=0;ii<sz;ii++)
+             typesCpp2[ii]=(INTERP_KERNEL::NormalizedCellType)typesCpp1[ii];
+           return MEDFileUMesh::LoadPartOf(fileName,mName,typesCpp2,slicPerTyp,dt,it,mrs);
+         }
+
+         PyObject *__getnewargs__() throw(INTERP_KERNEL::Exception)
+         {// put an empty dict in input to say to __new__ to call __init__...
+           PyObject *ret(PyTuple_New(1));
+           PyObject *ret0(PyDict_New());
+           PyTuple_SetItem(ret,0,ret0);
+           return ret;
+         }
+
+         PyObject *__getstate__() throw(INTERP_KERNEL::Exception)
+         {
+           std::vector<double> a0;
+           std::vector<int> a1;
+           std::vector<std::string> a2;
+           std::vector< MEDCouplingAutoRefCountObjectPtr<DataArrayInt> > a3;
+           MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> a4;
+           self->serialize(a0,a1,a2,a3,a4);
+           PyObject *ret(PyTuple_New(5));
+           PyTuple_SetItem(ret,0,convertDblArrToPyList2(a0));
+           PyTuple_SetItem(ret,1,convertIntArrToPyList2(a1));
+           int sz(a2.size());
+           PyObject *ret2(PyList_New(sz));
+           for(int i=0;i<sz;i++)
+             PyList_SetItem(ret2,i,PyString_FromString(a2[i].c_str()));
+           PyTuple_SetItem(ret,2,ret2);
+           sz=a3.size();
+           PyObject *ret3(PyList_New(sz));
+           for(int i=0;i<sz;i++)
+             {
+               DataArrayInt *elt(a3[i]);
+               if(elt)
+                 elt->incrRef();
+               PyList_SetItem(ret3,i,SWIG_NewPointerObj(SWIG_as_voidptr(elt),SWIGTYPE_p_ParaMEDMEM__DataArrayInt, SWIG_POINTER_OWN | 0 ));
+             }
+           PyTuple_SetItem(ret,3,ret3);
+           DataArrayDouble *ret4(a4);
+           if(ret4)
+             ret4->incrRef();
+           PyTuple_SetItem(ret,4,SWIG_NewPointerObj(SWIG_as_voidptr(ret4),SWIGTYPE_p_ParaMEDMEM__DataArrayDouble, SWIG_POINTER_OWN | 0 ));
+           return ret;
+         }
+
+         void __setstate__(PyObject *inp) throw(INTERP_KERNEL::Exception)
+         {
+           static const char MSG[]="MEDFileUMesh.__setstate__ : expected input is a tuple of size 4 !";
+           if(!PyTuple_Check(inp))
+             throw INTERP_KERNEL::Exception(MSG);
+           int sz(PyTuple_Size(inp));
+           if(sz!=5)
+             throw INTERP_KERNEL::Exception(MSG);
+           std::vector<double> a0;
+           std::vector<int> a1;
+           std::vector<std::string> a2;
+           std::vector< MEDCouplingAutoRefCountObjectPtr<DataArrayInt> > a3;
+           MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> a4;
+           //
+           PyObject *a0py(PyTuple_GetItem(inp,0)),*a1py(PyTuple_GetItem(inp,1)),*a2py(PyTuple_GetItem(inp,2));
+           int tmp(-1);
+           fillArrayWithPyListDbl3(a0py,tmp,a0);
+           convertPyToNewIntArr3(a1py,a1);
+           fillStringVector(a2py,a2);
+           //
+           PyObject *b0py(PyTuple_GetItem(inp,3)),*b1py(PyTuple_GetItem(inp,4));
+           void *argp(0);
+           int status(SWIG_ConvertPtr(b1py,&argp,SWIGTYPE_p_ParaMEDMEM__DataArrayDouble,0|0));
+           if(!SWIG_IsOK(status))
+             throw INTERP_KERNEL::Exception(MSG);
+           a4=reinterpret_cast<DataArrayDouble *>(argp);
+           if((DataArrayDouble *)a4)
+             a4->incrRef();
+           {
+             std::vector< DataArrayInt * > a3Tmp;
+             convertFromPyObjVectorOfObj<ParaMEDMEM::DataArrayInt *>(b0py,SWIGTYPE_p_ParaMEDMEM__DataArrayInt,"DataArrayInt",a3Tmp);
+             std::size_t sz(a3Tmp.size());
+             a3.resize(sz);
+             for(std::size_t i=0;i<sz;i++)
+               {
+                 a3[i]=a3Tmp[i];
+                 if(a3Tmp[i])
+                   a3Tmp[i]->incrRef();
+               }
+             self->unserialize(a0,a1,a2,a3,a4);
+           }
+         }
+
+         MEDCouplingUMesh *__getitem__(int meshDimRelToMaxExt) const throw(INTERP_KERNEL::Exception)
+         {
+           return self->getMeshAtLevel(meshDimRelToMaxExt,false);
+         }
+
+         void __setitem__(int meshDimRelToMax, MEDCouplingPointSet *mesh) throw(INTERP_KERNEL::Exception)
+         {
+           if(!mesh)
+             throw INTERP_KERNEL::Exception("MEDFileUMesh::__setitem__ : Input mesh is NULL !");
+           MEDCouplingUMesh *m0(dynamic_cast<MEDCouplingUMesh *>(mesh));
+           if(m0)
+             {
+               self->setMeshAtLevel(meshDimRelToMax,m0,false);
+               return ;
+             }
+           MEDCoupling1GTUMesh *m1(dynamic_cast<MEDCoupling1GTUMesh *>(mesh));
+           if(m1)
+             {
+               self->setMeshAtLevel(meshDimRelToMax,m1);
+               return ;
+             }
+           throw INTERP_KERNEL::Exception("MEDFileUMesh::__setitem__ : Not recognized input mesh !");
+         }
+
+         void __delitem__(int meshDimRelToMax) throw(INTERP_KERNEL::Exception)
+         {
+           self->removeMeshAtLevel(meshDimRelToMax);
          }
 
          void setMeshes(PyObject *li, bool renum=false) throw(INTERP_KERNEL::Exception)
@@ -763,7 +1203,15 @@ namespace ParaMEDMEM
            return ret;
          }
 
-         PyObject *duplicateNodesOnM1Group(const char *grpNameM1) throw(INTERP_KERNEL::Exception)
+         PartDefinition *getPartDefAtLevel(int meshDimRelToMaxExt, INTERP_KERNEL::NormalizedCellType gt=INTERP_KERNEL::NORM_ERROR) const throw(INTERP_KERNEL::Exception)
+         {
+           const PartDefinition *ret(self->getPartDefAtLevel(meshDimRelToMaxExt,gt));
+           if(ret)
+             ret->incrRef();
+           return const_cast<PartDefinition *>(ret);
+         }
+
+         PyObject *duplicateNodesOnM1Group(const std::string& grpNameM1) throw(INTERP_KERNEL::Exception)
          {
            DataArrayInt *ret0=0,*ret1=0,*ret2=0;
            self->duplicateNodesOnM1Group(grpNameM1,ret0,ret1,ret2);
@@ -773,20 +1221,54 @@ namespace ParaMEDMEM
            PyTuple_SetItem(ret,2,SWIG_NewPointerObj(SWIG_as_voidptr(ret2),SWIGTYPE_p_ParaMEDMEM__DataArrayInt, SWIG_POINTER_OWN | 0 ));
            return ret;
          }
+         
+         MEDCoupling1GTUMesh *getDirectUndergroundSingleGeoTypeMesh(INTERP_KERNEL::NormalizedCellType gt) const throw(INTERP_KERNEL::Exception)
+         {
+           MEDCoupling1GTUMesh *ret(self->getDirectUndergroundSingleGeoTypeMesh(gt));
+           if(ret)
+             ret->incrRef();
+           return ret;
+         }
+
+         PyObject *getDirectUndergroundSingleGeoTypeMeshes(int meshDimRelToMax) const throw(INTERP_KERNEL::Exception)
+         {
+           std::vector<MEDCoupling1GTUMesh *> tmp(self->getDirectUndergroundSingleGeoTypeMeshes(meshDimRelToMax));
+           std::size_t sz(tmp.size());
+           PyObject *ret=PyList_New(sz);
+           for(std::size_t i=0;i<sz;i++)
+             {
+               if(tmp[i])
+                 tmp[i]->incrRef();
+               PyList_SetItem(ret,i,convertMesh(tmp[i], SWIG_POINTER_OWN | 0 ));
+             }
+           return ret;
+         }
        }
   };
 
   class MEDFileStructuredMesh : public MEDFileMesh
   {
+  public:
+    %extend
+    {
+      MEDCoupling1SGTUMesh *getImplicitFaceMesh() const throw(INTERP_KERNEL::Exception)
+      {
+        MEDCoupling1SGTUMesh *ret(self->getImplicitFaceMesh());
+        if(ret)
+          ret->incrRef();
+        return ret;
+      }
+    }
   };
 
   class MEDFileCMesh : public MEDFileStructuredMesh
   {
   public:
     static MEDFileCMesh *New();
-    static MEDFileCMesh *New(const char *fileName) throw(INTERP_KERNEL::Exception);
-    static MEDFileCMesh *New(const char *fileName, const char *mName, int dt=-1, int it=-1) throw(INTERP_KERNEL::Exception);
+    static MEDFileCMesh *New(const std::string& fileName, MEDFileMeshReadSelector *mrs=0) throw(INTERP_KERNEL::Exception);
+    static MEDFileCMesh *New(const std::string& fileName, const std::string& mName, int dt=-1, int it=-1, MEDFileMeshReadSelector *mrs=0) throw(INTERP_KERNEL::Exception);
     void setMesh(MEDCouplingCMesh *m) throw(INTERP_KERNEL::Exception);
+    int getSpaceDimension() const throw(INTERP_KERNEL::Exception);
     %extend
        {
          MEDFileCMesh()
@@ -794,14 +1276,14 @@ namespace ParaMEDMEM
            return MEDFileCMesh::New();
          }
 
-         MEDFileCMesh(const char *fileName) throw(INTERP_KERNEL::Exception)
+         MEDFileCMesh(const std::string& fileName, MEDFileMeshReadSelector *mrs=0) throw(INTERP_KERNEL::Exception)
          {
-           return MEDFileCMesh::New(fileName);
+           return MEDFileCMesh::New(fileName,mrs);
          }
 
-         MEDFileCMesh(const char *fileName, const char *mName, int dt=-1, int it=-1) throw(INTERP_KERNEL::Exception)
+         MEDFileCMesh(const std::string& fileName, const std::string& mName, int dt=-1, int it=-1, MEDFileMeshReadSelector *mrs=0) throw(INTERP_KERNEL::Exception)
          {
-           return MEDFileCMesh::New(fileName,mName,dt,it);
+           return MEDFileCMesh::New(fileName,mName,dt,it,mrs);
          }
          
          PyObject *getMesh() const throw(INTERP_KERNEL::Exception)
@@ -818,8 +1300,8 @@ namespace ParaMEDMEM
   {
   public:
     static MEDFileCurveLinearMesh *New();
-    static MEDFileCurveLinearMesh *New(const char *fileName) throw(INTERP_KERNEL::Exception);
-    static MEDFileCurveLinearMesh *New(const char *fileName, const char *mName, int dt=-1, int it=-1) throw(INTERP_KERNEL::Exception);
+    static MEDFileCurveLinearMesh *New(const std::string& fileName, MEDFileMeshReadSelector *mrs=0) throw(INTERP_KERNEL::Exception);
+    static MEDFileCurveLinearMesh *New(const std::string& fileName, const std::string& mName, int dt=-1, int it=-1, MEDFileMeshReadSelector *mrs=0) throw(INTERP_KERNEL::Exception);
     void setMesh(MEDCouplingCurveLinearMesh *m) throw(INTERP_KERNEL::Exception);
     %extend
        {
@@ -828,14 +1310,14 @@ namespace ParaMEDMEM
            return MEDFileCurveLinearMesh::New();
          }
 
-         MEDFileCurveLinearMesh(const char *fileName) throw(INTERP_KERNEL::Exception)
+         MEDFileCurveLinearMesh(const std::string& fileName, MEDFileMeshReadSelector *mrs=0) throw(INTERP_KERNEL::Exception)
          {
-           return MEDFileCurveLinearMesh::New(fileName);
+           return MEDFileCurveLinearMesh::New(fileName,mrs);
          }
 
-         MEDFileCurveLinearMesh(const char *fileName, const char *mName, int dt=-1, int it=-1) throw(INTERP_KERNEL::Exception)
+         MEDFileCurveLinearMesh(const std::string& fileName, const std::string& mName, int dt=-1, int it=-1, MEDFileMeshReadSelector *mrs=0) throw(INTERP_KERNEL::Exception)
          {
-           return MEDFileCurveLinearMesh::New(fileName,mName,dt,it);
+           return MEDFileCurveLinearMesh::New(fileName,mName,dt,it,mrs);
          }
          
          PyObject *getMesh() const throw(INTERP_KERNEL::Exception)
@@ -852,11 +1334,11 @@ namespace ParaMEDMEM
   {
   public:
     static MEDFileMeshMultiTS *New();
-    static MEDFileMeshMultiTS *New(const char *fileName) throw(INTERP_KERNEL::Exception);
-    static MEDFileMeshMultiTS *New(const char *fileName, const char *mName) throw(INTERP_KERNEL::Exception);
+    static MEDFileMeshMultiTS *New(const std::string& fileName) throw(INTERP_KERNEL::Exception);
+    static MEDFileMeshMultiTS *New(const std::string& fileName, const std::string& mName) throw(INTERP_KERNEL::Exception);
     MEDFileMeshMultiTS *deepCpy() const throw(INTERP_KERNEL::Exception);
-    const char *getName() const throw(INTERP_KERNEL::Exception);
-    void write(const char *fileName, int mode) const throw(INTERP_KERNEL::Exception);
+    std::string getName() const throw(INTERP_KERNEL::Exception);
+    void write(const std::string& fileName, int mode) const throw(INTERP_KERNEL::Exception);
     void setOneTimeStep(MEDFileMesh *mesh1TimeStep) throw(INTERP_KERNEL::Exception);
     %extend
        { 
@@ -865,12 +1347,12 @@ namespace ParaMEDMEM
            return MEDFileMeshMultiTS::New();
          }
 
-         MEDFileMeshMultiTS(const char *fileName) throw(INTERP_KERNEL::Exception)
+         MEDFileMeshMultiTS(const std::string& fileName) throw(INTERP_KERNEL::Exception)
          {
            return MEDFileMeshMultiTS::New(fileName);
          }
 
-         MEDFileMeshMultiTS(const char *fileName, const char *mName) throw(INTERP_KERNEL::Exception)
+         MEDFileMeshMultiTS(const std::string& fileName, const std::string& mName) throw(INTERP_KERNEL::Exception)
          {
            return MEDFileMeshMultiTS::New(fileName,mName);
          }
@@ -911,9 +1393,9 @@ namespace ParaMEDMEM
   {
   public:
     static MEDFileMeshes *New();
-    static MEDFileMeshes *New(const char *fileName) throw(INTERP_KERNEL::Exception);
+    static MEDFileMeshes *New(const std::string& fileName) throw(INTERP_KERNEL::Exception);
     MEDFileMeshes *deepCpy() const throw(INTERP_KERNEL::Exception);
-    void write(const char *fileName, int mode) const throw(INTERP_KERNEL::Exception);
+    void write(const std::string& fileName, int mode) const throw(INTERP_KERNEL::Exception);
     int getNumberOfMeshes() const throw(INTERP_KERNEL::Exception);
     std::vector<std::string> getMeshesNames() const throw(INTERP_KERNEL::Exception);
     //
@@ -928,7 +1410,7 @@ namespace ParaMEDMEM
            return MEDFileMeshes::New();
          }
 
-         MEDFileMeshes(const char *fileName) throw(INTERP_KERNEL::Exception)
+         MEDFileMeshes(const std::string& fileName) throw(INTERP_KERNEL::Exception)
          {
            return MEDFileMeshes::New(fileName);
          }
@@ -942,7 +1424,7 @@ namespace ParaMEDMEM
          {
            if(PyInt_Check(obj))
              {
-               MEDFileMesh *ret=self->getMeshAtPos((int)PyInt_AS_LONG(obj));
+               MEDFileMesh *ret=self->getMeshAtPos(InterpreteNegativeInt((int)PyInt_AS_LONG(obj),self->getNumberOfMeshes()));
                if(ret)
                  ret->incrRef();
                return ret;
@@ -981,7 +1463,7 @@ namespace ParaMEDMEM
                ret->incrRef();
              return ret;
            }
-         MEDFileMesh *getMeshWithName(const char *mname) const throw(INTERP_KERNEL::Exception)
+         MEDFileMesh *getMeshWithName(const std::string& mname) const throw(INTERP_KERNEL::Exception)
            {
              MEDFileMesh *ret=self->getMeshWithName(mname);
              if(ret)
@@ -994,7 +1476,7 @@ namespace ParaMEDMEM
   class MEDFileFieldLoc : public RefCountObject
   {
   public:
-    const std::string& getName() const;
+    std::string getName() const;
     int getDimension() const;
     int getNumberOfGaussPoints() const;
     int getNumberOfPointsInCells() const;
@@ -1025,8 +1507,8 @@ namespace ParaMEDMEM
     void checkGlobsLocsPartCoherency() const throw(INTERP_KERNEL::Exception);
     std::vector<std::string> getPfls() const throw(INTERP_KERNEL::Exception);
     std::vector<std::string> getLocs() const throw(INTERP_KERNEL::Exception);
-    bool existsPfl(const char *pflName) const throw(INTERP_KERNEL::Exception);
-    bool existsLoc(const char *locName) const throw(INTERP_KERNEL::Exception);
+    bool existsPfl(const std::string& pflName) const throw(INTERP_KERNEL::Exception);
+    bool existsLoc(const std::string& locName) const throw(INTERP_KERNEL::Exception);
     std::string createNewNameOfPfl() const throw(INTERP_KERNEL::Exception);
     std::string createNewNameOfLoc() const throw(INTERP_KERNEL::Exception);
     std::vector< std::vector<int> > whichAreEqualProfiles() const throw(INTERP_KERNEL::Exception);
@@ -1037,13 +1519,13 @@ namespace ParaMEDMEM
     virtual std::vector<std::string> getLocsReallyUsedMulti() const throw(INTERP_KERNEL::Exception);
     void killProfileIds(const std::vector<int>& pflIds) throw(INTERP_KERNEL::Exception);
     void killLocalizationIds(const std::vector<int>& locIds) throw(INTERP_KERNEL::Exception);
-    void changePflName(const char *oldName, const char *newName) throw(INTERP_KERNEL::Exception);
-    void changeLocName(const char *oldName, const char *newName) throw(INTERP_KERNEL::Exception);
+    void changePflName(const std::string& oldName, const std::string& newName) throw(INTERP_KERNEL::Exception);
+    void changeLocName(const std::string& oldName, const std::string& newName) throw(INTERP_KERNEL::Exception);
     int getNbOfGaussPtPerCell(int locId) const throw(INTERP_KERNEL::Exception);
-    int getLocalizationId(const char *loc) const throw(INTERP_KERNEL::Exception);
+    int getLocalizationId(const std::string& loc) const throw(INTERP_KERNEL::Exception);
   %extend
      {
-       PyObject *getProfile(const char *pflName) const throw(INTERP_KERNEL::Exception)
+       PyObject *getProfile(const std::string& pflName) const throw(INTERP_KERNEL::Exception)
        {
          const DataArrayInt *ret=self->getProfile(pflName);
          if(ret)
@@ -1067,7 +1549,7 @@ namespace ParaMEDMEM
          return SWIG_NewPointerObj(SWIG_as_voidptr(loc),SWIGTYPE_p_ParaMEDMEM__MEDFileFieldLoc, SWIG_POINTER_OWN | 0 );
        }
        
-       PyObject *getLocalization(const char *locName) const throw(INTERP_KERNEL::Exception)
+       PyObject *getLocalization(const std::string& locName) const throw(INTERP_KERNEL::Exception)
        {
          const MEDFileFieldLoc *loc=&self->getLocalization(locName);
          if(loc)
@@ -1135,29 +1617,33 @@ namespace ParaMEDMEM
   class MEDFileAnyTypeField1TS : public RefCountObject, public MEDFileFieldGlobsReal, public MEDFileWritable
   {
   public:
-    static MEDFileAnyTypeField1TS *New(const char *fileName, bool loadAll=true) throw(INTERP_KERNEL::Exception);
-    static MEDFileAnyTypeField1TS *New(const char *fileName, const char *fieldName, bool loadAll=true) throw(INTERP_KERNEL::Exception);
-    static MEDFileAnyTypeField1TS *New(const char *fileName, const char *fieldName, int iteration, int order, bool loadAll=true) throw(INTERP_KERNEL::Exception);
-    void write(const char *fileName, int mode) const throw(INTERP_KERNEL::Exception);
+    static MEDFileAnyTypeField1TS *New(const std::string& fileName, bool loadAll=true) throw(INTERP_KERNEL::Exception);
+    static MEDFileAnyTypeField1TS *New(const std::string& fileName, const std::string& fieldName, bool loadAll=true) throw(INTERP_KERNEL::Exception);
+    static MEDFileAnyTypeField1TS *New(const std::string& fileName, const std::string& fieldName, int iteration, int order, bool loadAll=true) throw(INTERP_KERNEL::Exception);
+    void write(const std::string& fileName, int mode) const throw(INTERP_KERNEL::Exception);
     void loadArrays() throw(INTERP_KERNEL::Exception);
     void loadArraysIfNecessary() throw(INTERP_KERNEL::Exception);
-    void releaseArrays() throw(INTERP_KERNEL::Exception);
+    void unloadArrays() throw(INTERP_KERNEL::Exception);
+    void unloadArraysWithoutDataLoss() throw(INTERP_KERNEL::Exception);
     int getDimension() const throw(INTERP_KERNEL::Exception);
     int getIteration() const throw(INTERP_KERNEL::Exception);
     int getOrder() const throw(INTERP_KERNEL::Exception);
     std::string getName() throw(INTERP_KERNEL::Exception);
-    void setName(const char *name) throw(INTERP_KERNEL::Exception);
+    void setName(const std::string& name) throw(INTERP_KERNEL::Exception);
     std::string getMeshName() throw(INTERP_KERNEL::Exception);
-    void setMeshName(const char *newMeshName) throw(INTERP_KERNEL::Exception);
+    void setMeshName(const std::string& newMeshName) throw(INTERP_KERNEL::Exception);
+    int getMeshIteration() const throw(INTERP_KERNEL::Exception);
+    int getMeshOrder() const throw(INTERP_KERNEL::Exception);
     int getNumberOfComponents() const throw(INTERP_KERNEL::Exception);
     bool isDealingTS(int iteration, int order) const throw(INTERP_KERNEL::Exception);
     void setInfo(const std::vector<std::string>& infos) throw(INTERP_KERNEL::Exception);
     const std::vector<std::string>& getInfo() const throw(INTERP_KERNEL::Exception);
+    bool presenceOfMultiDiscPerGeoType() const throw(INTERP_KERNEL::Exception);
     void setTime(int iteration, int order, double val) throw(INTERP_KERNEL::Exception);
     virtual MEDFileAnyTypeField1TS *shallowCpy() const throw(INTERP_KERNEL::Exception);
     MEDFileAnyTypeField1TS *deepCpy() const throw(INTERP_KERNEL::Exception);
     std::string getDtUnit() const throw(INTERP_KERNEL::Exception);
-    void setDtUnit(const char *dtUnit) throw(INTERP_KERNEL::Exception);
+    void setDtUnit(const std::string& dtUnit) throw(INTERP_KERNEL::Exception);
     %extend
     {
       PyObject *getTime() throw(INTERP_KERNEL::Exception)
@@ -1180,12 +1666,12 @@ namespace ParaMEDMEM
         return elt;
       }
 
-      void setProfileNameOnLeaf(INTERP_KERNEL::NormalizedCellType typ, int locId, const char *newPflName, bool forceRenameOnGlob=false) throw(INTERP_KERNEL::Exception)
+      void setProfileNameOnLeaf(INTERP_KERNEL::NormalizedCellType typ, int locId, const std::string& newPflName, bool forceRenameOnGlob=false) throw(INTERP_KERNEL::Exception)
       {
         self->setProfileNameOnLeaf(0,typ,locId,newPflName,forceRenameOnGlob);
       }
       
-      void setLocNameOnLeaf(INTERP_KERNEL::NormalizedCellType typ, int locId, const char *newLocName, bool forceRenameOnGlob=false) throw(INTERP_KERNEL::Exception)
+      void setLocNameOnLeaf(INTERP_KERNEL::NormalizedCellType typ, int locId, const std::string& newLocName, bool forceRenameOnGlob=false) throw(INTERP_KERNEL::Exception)
       {
         self->setLocNameOnLeaf(0,typ,locId,newLocName,forceRenameOnGlob);
       }
@@ -1205,7 +1691,7 @@ namespace ParaMEDMEM
         return ret2;
       }
 
-      PyObject *getNonEmptyLevels(const char *mname=0) const throw(INTERP_KERNEL::Exception)
+      PyObject *getNonEmptyLevels(const std::string& mname=std::string()) const throw(INTERP_KERNEL::Exception)
       {
         std::vector<int> ret1;
         int ret0=self->getNonEmptyLevels(mname,ret1);
@@ -1215,7 +1701,7 @@ namespace ParaMEDMEM
         return elt;
       }
 
-      PyObject *getFieldSplitedByType(const char *mname=0) const throw(INTERP_KERNEL::Exception)
+      PyObject *getFieldSplitedByType(const std::string& mname=std::string()) const throw(INTERP_KERNEL::Exception)
       {
         std::vector<INTERP_KERNEL::NormalizedCellType> types;
         std::vector< std::vector<TypeOfField> > typesF;
@@ -1259,40 +1745,60 @@ namespace ParaMEDMEM
           PyList_SetItem(retPy,i,convertMEDFileField1TS(ret[i].retn(), SWIG_POINTER_OWN | 0 ));
         return retPy;
       }
+
+      PyObject *splitDiscretizations() const throw(INTERP_KERNEL::Exception)
+      {
+        std::vector< MEDCouplingAutoRefCountObjectPtr< MEDFileAnyTypeField1TS > > ret=self->splitDiscretizations();
+        std::size_t sz=ret.size();
+        PyObject *retPy=PyList_New(sz);
+        for(std::size_t i=0;i<sz;i++)
+          PyList_SetItem(retPy,i,convertMEDFileField1TS(ret[i].retn(), SWIG_POINTER_OWN | 0 ));
+        return retPy;
+      }
+
+      PyObject *splitMultiDiscrPerGeoTypes() const throw(INTERP_KERNEL::Exception)
+      {
+        std::vector< MEDCouplingAutoRefCountObjectPtr< MEDFileAnyTypeField1TS > > ret=self->splitMultiDiscrPerGeoTypes();
+        std::size_t sz=ret.size();
+        PyObject *retPy=PyList_New(sz);
+        for(std::size_t i=0;i<sz;i++)
+          PyList_SetItem(retPy,i,convertMEDFileField1TS(ret[i].retn(), SWIG_POINTER_OWN | 0 ));
+        return retPy;
+      }
     }
   };
 
   class MEDFileField1TS : public MEDFileAnyTypeField1TS
   {
   public:
-    static MEDFileField1TS *New(const char *fileName, const char *fieldName, int iteration, int order, bool loadAll=true) throw(INTERP_KERNEL::Exception);
-    static MEDFileField1TS *New(const char *fileName, const char *fieldName, bool loadAll=true) throw(INTERP_KERNEL::Exception);
-    static MEDFileField1TS *New(const char *fileName, bool loadAll=true) throw(INTERP_KERNEL::Exception);
+    static MEDFileField1TS *New(const std::string& fileName, const std::string& fieldName, int iteration, int order, bool loadAll=true) throw(INTERP_KERNEL::Exception);
+    static MEDFileField1TS *New(const std::string& fileName, const std::string& fieldName, bool loadAll=true) throw(INTERP_KERNEL::Exception);
+    static MEDFileField1TS *New(const std::string& fileName, bool loadAll=true) throw(INTERP_KERNEL::Exception);
     static MEDFileField1TS *New();
-    ParaMEDMEM::MEDFileIntField1TS *convertToInt(bool deepCpyGlobs=true) const throw(INTERP_KERNEL::Exception);
+    ParaMEDMEM::MEDFileIntField1TS *convertToInt(bool isDeepCpyGlobs=true) const throw(INTERP_KERNEL::Exception);
     MEDCouplingFieldDouble *getFieldAtLevel(TypeOfField type, int meshDimRelToMax, int renumPol=0) const throw(INTERP_KERNEL::Exception);
     MEDCouplingFieldDouble *getFieldAtTopLevel(TypeOfField type, int renumPol=0) const throw(INTERP_KERNEL::Exception);
     MEDCouplingFieldDouble *getFieldOnMeshAtLevel(TypeOfField type, const MEDCouplingMesh *mesh, int renumPol=0) const throw(INTERP_KERNEL::Exception);
     MEDCouplingFieldDouble *getFieldOnMeshAtLevel(TypeOfField type, int meshDimRelToMax, const MEDFileMesh *mesh, int renumPol=0) const throw(INTERP_KERNEL::Exception);
-    MEDCouplingFieldDouble *getFieldAtLevelOld(TypeOfField type, const char *mname, int meshDimRelToMax, int renumPol=0) const throw(INTERP_KERNEL::Exception);
+    MEDCouplingFieldDouble *getFieldAtLevelOld(TypeOfField type, const std::string& mname, int meshDimRelToMax, int renumPol=0) const throw(INTERP_KERNEL::Exception);
     //
     void setFieldNoProfileSBT(const MEDCouplingFieldDouble *field) throw(INTERP_KERNEL::Exception);
     void setFieldProfile(const MEDCouplingFieldDouble *field, const MEDFileMesh *mesh, int meshDimRelToMax, const DataArrayInt *profile) throw(INTERP_KERNEL::Exception);
-    void setProfileNameOnLeaf(const char *mName, INTERP_KERNEL::NormalizedCellType typ, int locId, const char *newPflName, bool forceRenameOnGlob=false) throw(INTERP_KERNEL::Exception);
-    void setLocNameOnLeaf(const char *mName, INTERP_KERNEL::NormalizedCellType typ, int locId, const char *newLocName, bool forceRenameOnGlob=false) throw(INTERP_KERNEL::Exception);
+    void setProfileNameOnLeaf(const std::string& mName, INTERP_KERNEL::NormalizedCellType typ, int locId, const std::string& newPflName, bool forceRenameOnGlob=false) throw(INTERP_KERNEL::Exception);
+    void setLocNameOnLeaf(const std::string& mName, INTERP_KERNEL::NormalizedCellType typ, int locId, const std::string& newLocName, bool forceRenameOnGlob=false) throw(INTERP_KERNEL::Exception);
     %extend
        {
-         MEDFileField1TS(const char *fileName, bool loadAll=true) throw(INTERP_KERNEL::Exception)
+         MEDFileField1TS(const std::string& fileName, bool loadAll=true) throw(INTERP_KERNEL::Exception)
          {
            return MEDFileField1TS::New(fileName,loadAll);
          }
          
-         MEDFileField1TS(const char *fileName, const char *fieldName, bool loadAll=true) throw(INTERP_KERNEL::Exception)
+         MEDFileField1TS(const std::string& fileName, const std::string& fieldName, bool loadAll=true) throw(INTERP_KERNEL::Exception)
          {
            return MEDFileField1TS::New(fileName,fieldName,loadAll);
          }
 
-         MEDFileField1TS(const char *fileName, const char *fieldName, int iteration, int order, bool loadAll=true) throw(INTERP_KERNEL::Exception)
+         MEDFileField1TS(const std::string& fileName, const std::string& fieldName, int iteration, int order, bool loadAll=true) throw(INTERP_KERNEL::Exception)
          {
            return MEDFileField1TS::New(fileName,fieldName,iteration,order,loadAll);
          }
@@ -1325,7 +1831,7 @@ namespace ParaMEDMEM
            return ret;
          }
 
-         PyObject *getFieldSplitedByType2(const char *mname=0) const throw(INTERP_KERNEL::Exception)
+         PyObject *getFieldSplitedByType2(const std::string& mname=std::string()) const throw(INTERP_KERNEL::Exception)
          {
            std::vector<INTERP_KERNEL::NormalizedCellType> types;
            std::vector< std::vector<TypeOfField> > typesF;
@@ -1400,10 +1906,10 @@ namespace ParaMEDMEM
   {
   public:
     static MEDFileIntField1TS *New();
-    static MEDFileIntField1TS *New(const char *fileName, bool loadAll=true) throw(INTERP_KERNEL::Exception);
-    static MEDFileIntField1TS *New(const char *fileName, const char *fieldName, bool loadAll=true) throw(INTERP_KERNEL::Exception);
-    static MEDFileIntField1TS *New(const char *fileName, const char *fieldName, int iteration, int order, bool loadAll=true) throw(INTERP_KERNEL::Exception);
-    ParaMEDMEM::MEDFileField1TS *convertToDouble(bool deepCpyGlobs=true) const throw(INTERP_KERNEL::Exception);
+    static MEDFileIntField1TS *New(const std::string& fileName, bool loadAll=true) throw(INTERP_KERNEL::Exception);
+    static MEDFileIntField1TS *New(const std::string& fileName, const std::string& fieldName, bool loadAll=true) throw(INTERP_KERNEL::Exception);
+    static MEDFileIntField1TS *New(const std::string& fileName, const std::string& fieldName, int iteration, int order, bool loadAll=true) throw(INTERP_KERNEL::Exception);
+    ParaMEDMEM::MEDFileField1TS *convertToDouble(bool isDeepCpyGlobs=true) const throw(INTERP_KERNEL::Exception);
     //
     void setFieldNoProfileSBT(const MEDCouplingFieldDouble *field, const DataArrayInt *arrOfVals) throw(INTERP_KERNEL::Exception);
     void setFieldProfile(const MEDCouplingFieldDouble *field, const DataArrayInt *arrOfVals, const MEDFileMesh *mesh, int meshDimRelToMax, const DataArrayInt *profile) throw(INTERP_KERNEL::Exception);
@@ -1414,17 +1920,17 @@ namespace ParaMEDMEM
         return MEDFileIntField1TS::New();
       }
 
-      MEDFileIntField1TS(const char *fileName, bool loadAll=true) throw(INTERP_KERNEL::Exception)
+      MEDFileIntField1TS(const std::string& fileName, bool loadAll=true) throw(INTERP_KERNEL::Exception)
       {
         return MEDFileIntField1TS::New(fileName,loadAll);
       }
 
-      MEDFileIntField1TS(const char *fileName, const char *fieldName, bool loadAll=true) throw(INTERP_KERNEL::Exception)
+      MEDFileIntField1TS(const std::string& fileName, const std::string& fieldName, bool loadAll=true) throw(INTERP_KERNEL::Exception)
       {
         return MEDFileIntField1TS::New(fileName,fieldName,loadAll);
       }
 
-      MEDFileIntField1TS(const char *fileName, const char *fieldName, int iteration, int order, bool loadAll=true) throw(INTERP_KERNEL::Exception)
+      MEDFileIntField1TS(const std::string& fileName, const std::string& fieldName, int iteration, int order, bool loadAll=true) throw(INTERP_KERNEL::Exception)
       {
         return MEDFileIntField1TS::New(fileName,fieldName,iteration,order,loadAll);
       }
@@ -1474,7 +1980,7 @@ namespace ParaMEDMEM
         return ret;
       }
       
-      PyObject *getFieldAtLevelOld(TypeOfField type, const char *mname, int meshDimRelToMax, int renumPol=0) const throw(INTERP_KERNEL::Exception)
+      PyObject *getFieldAtLevelOld(TypeOfField type, const std::string& mname, int meshDimRelToMax, int renumPol=0) const throw(INTERP_KERNEL::Exception)
       {
         DataArrayInt *ret1=0;
         MEDCouplingFieldDouble *ret0=self->getFieldAtLevelOld(type,mname,meshDimRelToMax,ret1,renumPol);
@@ -1526,26 +2032,28 @@ namespace ParaMEDMEM
   class MEDFileAnyTypeFieldMultiTS : public RefCountObject, public MEDFileFieldGlobsReal, public MEDFileWritable
   {
   public:
-    static MEDFileAnyTypeFieldMultiTS *New(const char *fileName, bool loadAll=true) throw(INTERP_KERNEL::Exception);
-    static MEDFileAnyTypeFieldMultiTS *New(const char *fileName, const char *fieldName, bool loadAll=true) throw(INTERP_KERNEL::Exception);
+    static MEDFileAnyTypeFieldMultiTS *New(const std::string& fileName, bool loadAll=true) throw(INTERP_KERNEL::Exception);
+    static MEDFileAnyTypeFieldMultiTS *New(const std::string& fileName, const std::string& fieldName, bool loadAll=true) throw(INTERP_KERNEL::Exception);
     MEDFileAnyTypeFieldMultiTS *deepCpy() const throw(INTERP_KERNEL::Exception);
     virtual MEDFileAnyTypeFieldMultiTS *shallowCpy() const throw(INTERP_KERNEL::Exception);
     std::string getName() const throw(INTERP_KERNEL::Exception);
-    void setName(const char *name) throw(INTERP_KERNEL::Exception);
+    void setName(const std::string& name) throw(INTERP_KERNEL::Exception);
     std::string getDtUnit() const throw(INTERP_KERNEL::Exception);
-    void setDtUnit(const char *dtUnit) throw(INTERP_KERNEL::Exception);
+    void setDtUnit(const std::string& dtUnit) throw(INTERP_KERNEL::Exception);
     std::string getMeshName() const throw(INTERP_KERNEL::Exception);
-    void setMeshName(const char *newMeshName) throw(INTERP_KERNEL::Exception);
+    void setMeshName(const std::string& newMeshName) throw(INTERP_KERNEL::Exception);
     const std::vector<std::string>& getInfo() const throw(INTERP_KERNEL::Exception);
+    bool presenceOfMultiDiscPerGeoType() const throw(INTERP_KERNEL::Exception);
     int getNumberOfComponents() const throw(INTERP_KERNEL::Exception);
     int getNumberOfTS() const throw(INTERP_KERNEL::Exception);
     void eraseEmptyTS() throw(INTERP_KERNEL::Exception);
     int getPosOfTimeStep(int iteration, int order) const throw(INTERP_KERNEL::Exception);
     int getPosGivenTime(double time, double eps=1e-8) const throw(INTERP_KERNEL::Exception);
-    void write(const char *fileName, int mode) const throw(INTERP_KERNEL::Exception);
+    void write(const std::string& fileName, int mode) const throw(INTERP_KERNEL::Exception);
     void loadArrays() throw(INTERP_KERNEL::Exception);
     void loadArraysIfNecessary() throw(INTERP_KERNEL::Exception);
-    void releaseArrays() throw(INTERP_KERNEL::Exception);
+    void unloadArrays() throw(INTERP_KERNEL::Exception);
+    void unloadArraysWithoutDataLoss() throw(INTERP_KERNEL::Exception);
     //
     virtual MEDFileAnyTypeField1TS *getTimeStepAtPos(int pos) const throw(INTERP_KERNEL::Exception);
     MEDFileAnyTypeField1TS *getTimeStep(int iteration, int order) const throw(INTERP_KERNEL::Exception);
@@ -1640,7 +2148,7 @@ namespace ParaMEDMEM
         return ret2;
       }
       
-      PyObject *getNonEmptyLevels(int iteration, int order, const char *mname=0) const throw(INTERP_KERNEL::Exception)
+      PyObject *getNonEmptyLevels(int iteration, int order, const std::string& mname=std::string()) const throw(INTERP_KERNEL::Exception)
       {
         std::vector<int> ret1;
         int ret0=self->getNonEmptyLevels(iteration,order,mname,ret1);
@@ -1650,7 +2158,7 @@ namespace ParaMEDMEM
         return elt;
       }
       
-      PyObject *getFieldSplitedByType(int iteration, int order, const char *mname=0) const throw(INTERP_KERNEL::Exception)
+      PyObject *getFieldSplitedByType(int iteration, int order, const std::string& mname=std::string()) const throw(INTERP_KERNEL::Exception)
       {
         std::vector<INTERP_KERNEL::NormalizedCellType> types;
         std::vector< std::vector<TypeOfField> > typesF;
@@ -1712,12 +2220,8 @@ namespace ParaMEDMEM
           {
             Py_ssize_t strt=2,stp=2,step=2;
             PySliceObject *oC=reinterpret_cast<PySliceObject *>(elts);
-            if(PySlice_GetIndices(oC,self->getNumberOfTS(),&strt,&stp,&step)==0)
-              {
-                self->eraseTimeStepIds2(strt,stp,step);
-              }
-            else
-              throw INTERP_KERNEL::Exception("MEDFileAnyTypeFieldMultiTS.__delitem__ : error in input slice !");
+            GetIndicesOfSlice(oC,self->getNumberOfTS(),&strt,&stp,&step,"MEDFileAnyTypeFieldMultiTS.__delitem__ : error in input slice !");
+            self->eraseTimeStepIds2(strt,stp,step);
           }
         else
           {
@@ -1782,10 +2286,8 @@ namespace ParaMEDMEM
           {
             Py_ssize_t strt=2,stp=2,step=2;
             PySliceObject *oC=reinterpret_cast<PySliceObject *>(elt0);
-            if(PySlice_GetIndices(oC,self->getNumberOfTS(),&strt,&stp,&step)==0)
-              return convertMEDFileFieldMultiTS(self->buildSubPartSlice(strt,stp,step),SWIG_POINTER_OWN | 0);
-            else
-              throw INTERP_KERNEL::Exception("MEDFileAnyTypeFieldMultiTS.__getitem__ : error in input slice !");
+            GetIndicesOfSlice(oC,self->getNumberOfTS(),&strt,&stp,&step,"MEDFileAnyTypeFieldMultiTS.__getitem__ : error in input slice !");
+            return convertMEDFileFieldMultiTS(self->buildSubPartSlice(strt,stp,step),SWIG_POINTER_OWN | 0);
           }
         else
           return convertMEDFileField1TS(self->getTimeStepAtPos(MEDFileAnyTypeFieldMultiTSgetitemSingleTS__(self,elt0)),SWIG_POINTER_OWN | 0);
@@ -1807,11 +2309,95 @@ namespace ParaMEDMEM
         return retPy;
       }
 
+      PyObject *splitDiscretizations() const throw(INTERP_KERNEL::Exception)
+      {
+        std::vector< MEDCouplingAutoRefCountObjectPtr< MEDFileAnyTypeFieldMultiTS > > ret=self->splitDiscretizations();
+        std::size_t sz=ret.size();
+        PyObject *retPy=PyList_New(sz);
+        for(std::size_t i=0;i<sz;i++)
+          PyList_SetItem(retPy,i,convertMEDFileFieldMultiTS(ret[i].retn(), SWIG_POINTER_OWN | 0 ));
+        return retPy;
+      }
+
+      PyObject *splitMultiDiscrPerGeoTypes() const throw(INTERP_KERNEL::Exception)
+      {
+        std::vector< MEDCouplingAutoRefCountObjectPtr< MEDFileAnyTypeFieldMultiTS > > ret=self->splitMultiDiscrPerGeoTypes();
+        std::size_t sz=ret.size();
+        PyObject *retPy=PyList_New(sz);
+        for(std::size_t i=0;i<sz;i++)
+          PyList_SetItem(retPy,i,convertMEDFileFieldMultiTS(ret[i].retn(), SWIG_POINTER_OWN | 0 ));
+        return retPy;
+      }
+
       void pushBackTimeSteps(PyObject *li) throw(INTERP_KERNEL::Exception)
       {
-        std::vector<MEDFileAnyTypeField1TS *> tmp;
-        convertFromPyObjVectorOfObj<ParaMEDMEM::MEDFileAnyTypeField1TS *>(li,SWIGTYPE_p_ParaMEDMEM__MEDFileAnyTypeField1TS,"MEDFileAnyTypeField1TS",tmp);
-        self->pushBackTimeSteps(tmp);
+        void *argp(0);
+        int status(SWIG_ConvertPtr(li,&argp,SWIGTYPE_p_ParaMEDMEM__MEDFileAnyTypeFieldMultiTS,0|0));
+        if(SWIG_IsOK(status))
+          {
+            self->pushBackTimeSteps(reinterpret_cast<MEDFileAnyTypeFieldMultiTS *>(argp));
+          }
+        else
+          {
+            std::vector<MEDFileAnyTypeField1TS *> tmp;
+            convertFromPyObjVectorOfObj<ParaMEDMEM::MEDFileAnyTypeField1TS *>(li,SWIGTYPE_p_ParaMEDMEM__MEDFileAnyTypeField1TS,"MEDFileAnyTypeField1TS",tmp);
+            self->pushBackTimeSteps(tmp);
+          }
+      }
+
+      static PyObject *MEDFileAnyTypeFieldMultiTS::SplitIntoCommonTimeSeries(PyObject *li) throw(INTERP_KERNEL::Exception)
+      {
+        std::vector<MEDFileAnyTypeFieldMultiTS *> vectFMTS;
+        convertFromPyObjVectorOfObj<ParaMEDMEM::MEDFileAnyTypeFieldMultiTS *>(li,SWIGTYPE_p_ParaMEDMEM__MEDFileAnyTypeFieldMultiTS,"MEDFileAnyTypeFieldMultiTS",vectFMTS);
+        std::vector< std::vector<MEDFileAnyTypeFieldMultiTS *> > ret=MEDFileAnyTypeFieldMultiTS::SplitIntoCommonTimeSeries(vectFMTS);
+        std::size_t sz=ret.size();
+        PyObject *retPy=PyList_New(sz);
+        for(std::size_t i=0;i<sz;i++)
+          {
+            std::size_t sz2=ret[i].size();
+            PyObject *ret1Py=PyList_New(sz2);
+            for(std::size_t j=0;j<sz2;j++)
+              {
+                MEDFileAnyTypeFieldMultiTS *elt(ret[i][j]);
+                if(elt)
+                  elt->incrRef();
+                PyList_SetItem(ret1Py,j,convertMEDFileFieldMultiTS(elt,SWIG_POINTER_OWN | 0 ));
+              }
+            PyList_SetItem(retPy,i,ret1Py);
+          }
+        return retPy;
+      }
+      
+      static PyObject *MEDFileAnyTypeFieldMultiTS::SplitPerCommonSupport(PyObject *li, const MEDFileMesh *mesh) throw(INTERP_KERNEL::Exception)
+      {
+        std::vector<MEDFileAnyTypeFieldMultiTS *> vectFMTS;
+        convertFromPyObjVectorOfObj<ParaMEDMEM::MEDFileAnyTypeFieldMultiTS *>(li,SWIGTYPE_p_ParaMEDMEM__MEDFileAnyTypeFieldMultiTS,"MEDFileAnyTypeFieldMultiTS",vectFMTS);
+        std::vector< MEDCouplingAutoRefCountObjectPtr<MEDFileFastCellSupportComparator> > ret2;
+        std::vector< std::vector<MEDFileAnyTypeFieldMultiTS *> > ret=MEDFileAnyTypeFieldMultiTS::SplitPerCommonSupport(vectFMTS,mesh,ret2);
+        if(ret2.size()!=ret.size())
+          {
+            std::ostringstream oss; oss << "MEDFileAnyTypeFieldMultiTS::SplitPerCommonSupport (PyWrap) : internal error ! Size of 2 vectors must match ! (" << ret.size() << "!=" << ret2.size() << ") !";
+            throw INTERP_KERNEL::Exception(oss.str().c_str());
+          }
+        std::size_t sz=ret.size();
+        PyObject *retPy=PyList_New(sz);
+        for(std::size_t i=0;i<sz;i++)
+          {
+            std::size_t sz2=ret[i].size();
+            PyObject *ret0Py=PyTuple_New(2);
+            PyObject *ret1Py=PyList_New(sz2);
+            for(std::size_t j=0;j<sz2;j++)
+              {
+                MEDFileAnyTypeFieldMultiTS *elt(ret[i][j]);
+                if(elt)
+                  elt->incrRef();
+                PyList_SetItem(ret1Py,j,convertMEDFileFieldMultiTS(elt,SWIG_POINTER_OWN | 0 ));
+              }
+            PyTuple_SetItem(ret0Py,0,ret1Py);
+            PyTuple_SetItem(ret0Py,1,SWIG_NewPointerObj(SWIG_as_voidptr(ret2[i].retn()),SWIGTYPE_p_ParaMEDMEM__MEDFileFastCellSupportComparator, SWIG_POINTER_OWN | 0 ));
+            PyList_SetItem(retPy,i,ret0Py);
+          }
+        return retPy;
       }
     }
   };
@@ -1820,18 +2406,18 @@ namespace ParaMEDMEM
   {
   public:
     static MEDFileFieldMultiTS *New() throw(INTERP_KERNEL::Exception);
-    static MEDFileFieldMultiTS *New(const char *fileName, bool loadAll=true) throw(INTERP_KERNEL::Exception);
-    static MEDFileFieldMultiTS *New(const char *fileName, const char *fieldName, bool loadAll=true) throw(INTERP_KERNEL::Exception);
+    static MEDFileFieldMultiTS *New(const std::string& fileName, bool loadAll=true) throw(INTERP_KERNEL::Exception);
+    static MEDFileFieldMultiTS *New(const std::string& fileName, const std::string& fieldName, bool loadAll=true) throw(INTERP_KERNEL::Exception);
     //
     MEDCouplingFieldDouble *getFieldAtLevel(TypeOfField type, int iteration, int order, int meshDimRelToMax, int renumPol=0) const throw(INTERP_KERNEL::Exception);
     MEDCouplingFieldDouble *getFieldAtTopLevel(TypeOfField type, int iteration, int order, int renumPol=0) const throw(INTERP_KERNEL::Exception);
     MEDCouplingFieldDouble *getFieldOnMeshAtLevel(TypeOfField type, int iteration, int order, int meshDimRelToMax, const MEDFileMesh *mesh, int renumPol=0) const throw(INTERP_KERNEL::Exception);
     MEDCouplingFieldDouble *getFieldOnMeshAtLevel(TypeOfField type, int iteration, int order, const MEDCouplingMesh *mesh, int renumPol=0) const throw(INTERP_KERNEL::Exception);
-    MEDCouplingFieldDouble *getFieldAtLevelOld(TypeOfField type, const char *mname, int iteration, int order, int meshDimRelToMax, int renumPol=0) const throw(INTERP_KERNEL::Exception);
+    MEDCouplingFieldDouble *getFieldAtLevelOld(TypeOfField type, const std::string& mname, int iteration, int order, int meshDimRelToMax, int renumPol=0) const throw(INTERP_KERNEL::Exception);
     //
     void appendFieldNoProfileSBT(const MEDCouplingFieldDouble *field) throw(INTERP_KERNEL::Exception);
     void appendFieldProfile(const MEDCouplingFieldDouble *field, const MEDFileMesh *mesh, int meshDimRelToMax, const DataArrayInt *profile) throw(INTERP_KERNEL::Exception);
-    ParaMEDMEM::MEDFileIntFieldMultiTS *convertToInt(bool deepCpyGlobs=true) const throw(INTERP_KERNEL::Exception);
+    ParaMEDMEM::MEDFileIntFieldMultiTS *convertToInt(bool isDeepCpyGlobs=true) const throw(INTERP_KERNEL::Exception);
     %extend
        {
          MEDFileFieldMultiTS()
@@ -1839,15 +2425,28 @@ namespace ParaMEDMEM
            return MEDFileFieldMultiTS::New();
          }
 
-         MEDFileFieldMultiTS(const char *fileName, bool loadAll=true) throw(INTERP_KERNEL::Exception)
+         MEDFileFieldMultiTS(const std::string& fileName, bool loadAll=true) throw(INTERP_KERNEL::Exception)
          {
            return MEDFileFieldMultiTS::New(fileName,loadAll);
          }
 
-         MEDFileFieldMultiTS(const char *fileName, const char *fieldName, bool loadAll=true) throw(INTERP_KERNEL::Exception)
+         MEDFileFieldMultiTS(const std::string& fileName, const std::string& fieldName, bool loadAll=true) throw(INTERP_KERNEL::Exception)
          {
            return MEDFileFieldMultiTS::New(fileName,fieldName,loadAll);
          }
+
+         static MEDFileFieldMultiTS *LoadSpecificEntities(const std::string& fileName, const std::string& fieldName, PyObject *entities, bool loadAll=true)
+         {
+           std::vector<std::pair<int,int> > tmp(convertTimePairIdsFromPy(entities));
+           std::size_t sz(tmp.size());
+           std::vector< std::pair<TypeOfField,INTERP_KERNEL::NormalizedCellType> > entitiesCpp(sz);
+           for(std::size_t i=0;i<sz;i++)
+             {
+               entitiesCpp[i].first=(TypeOfField)tmp[i].first;
+               entitiesCpp[i].second=(INTERP_KERNEL::NormalizedCellType)tmp[i].second;
+             }
+           return MEDFileFieldMultiTS::LoadSpecificEntities(fileName,fieldName,entitiesCpp,loadAll);
+         }
          
          std::string __str__() const throw(INTERP_KERNEL::Exception)
          {
@@ -1864,7 +2463,7 @@ namespace ParaMEDMEM
            return ret;
          }
 
-         PyObject *getFieldSplitedByType2(int iteration, int order, const char *mname=0) const throw(INTERP_KERNEL::Exception)
+         PyObject *getFieldSplitedByType2(int iteration, int order, const std::string& mname=std::string()) const throw(INTERP_KERNEL::Exception)
          {
            std::vector<INTERP_KERNEL::NormalizedCellType> types;
            std::vector< std::vector<TypeOfField> > typesF;
@@ -1957,12 +2556,12 @@ namespace ParaMEDMEM
   {
   public:
     static MEDFileIntFieldMultiTS *New();
-    static MEDFileIntFieldMultiTS *New(const char *fileName, bool loadAll=true) throw(INTERP_KERNEL::Exception);
-    static MEDFileIntFieldMultiTS *New(const char *fileName, const char *fieldName, bool loadAll=true) throw(INTERP_KERNEL::Exception);
+    static MEDFileIntFieldMultiTS *New(const std::string& fileName, bool loadAll=true) throw(INTERP_KERNEL::Exception);
+    static MEDFileIntFieldMultiTS *New(const std::string& fileName, const std::string& fieldName, bool loadAll=true) throw(INTERP_KERNEL::Exception);
     //
     void appendFieldNoProfileSBT(const MEDCouplingFieldDouble *field, const DataArrayInt *arrOfVals) throw(INTERP_KERNEL::Exception);
     void appendFieldProfile(const MEDCouplingFieldDouble *field, const DataArrayInt *arrOfVals, const MEDFileMesh *mesh, int meshDimRelToMax, const DataArrayInt *profile) throw(INTERP_KERNEL::Exception);
-    ParaMEDMEM::MEDFileFieldMultiTS *convertToDouble(bool deepCpyGlobs=true) const throw(INTERP_KERNEL::Exception);
+    ParaMEDMEM::MEDFileFieldMultiTS *convertToDouble(bool isDeepCpyGlobs=true) const throw(INTERP_KERNEL::Exception);
     %extend
     {
       MEDFileIntFieldMultiTS()
@@ -1970,16 +2569,29 @@ namespace ParaMEDMEM
         return MEDFileIntFieldMultiTS::New();
       }
       
-      MEDFileIntFieldMultiTS(const char *fileName, bool loadAll=true) throw(INTERP_KERNEL::Exception)
+      MEDFileIntFieldMultiTS(const std::string& fileName, bool loadAll=true) throw(INTERP_KERNEL::Exception)
       {
         return MEDFileIntFieldMultiTS::New(fileName,loadAll);
       }
       
-      MEDFileIntFieldMultiTS(const char *fileName, const char *fieldName, bool loadAll=true) throw(INTERP_KERNEL::Exception)
+      MEDFileIntFieldMultiTS(const std::string& fileName, const std::string& fieldName, bool loadAll=true) throw(INTERP_KERNEL::Exception)
       {
         return MEDFileIntFieldMultiTS::New(fileName,fieldName,loadAll);
       }
 
+      static MEDFileIntFieldMultiTS *LoadSpecificEntities(const std::string& fileName, const std::string& fieldName, PyObject *entities, bool loadAll=true)
+      {
+        std::vector<std::pair<int,int> > tmp(convertTimePairIdsFromPy(entities));
+        std::size_t sz(tmp.size());
+        std::vector< std::pair<TypeOfField,INTERP_KERNEL::NormalizedCellType> > entitiesCpp(sz);
+        for(std::size_t i=0;i<sz;i++)
+          {
+            entitiesCpp[i].first=(TypeOfField)tmp[i].first;
+            entitiesCpp[i].second=(INTERP_KERNEL::NormalizedCellType)tmp[i].second;
+          }
+        return MEDFileIntFieldMultiTS::LoadSpecificEntities(fileName,fieldName,entitiesCpp,loadAll);
+      }
+
       std::string __str__() const throw(INTERP_KERNEL::Exception)
       {
         return self->simpleRepr();
@@ -2025,7 +2637,7 @@ namespace ParaMEDMEM
         return ret;
       }
       
-      PyObject *getFieldAtLevelOld(TypeOfField type, int iteration, int order, const char *mname, int meshDimRelToMax, int renumPol=0) const throw(INTERP_KERNEL::Exception)
+      PyObject *getFieldAtLevelOld(TypeOfField type, int iteration, int order, const std::string& mname, int meshDimRelToMax, int renumPol=0) const throw(INTERP_KERNEL::Exception)
       {
         DataArrayInt *ret1=0;
         MEDCouplingFieldDouble *ret0=self->getFieldAtLevelOld(type,iteration,order,mname,meshDimRelToMax,ret1,renumPol);
@@ -2059,13 +2671,15 @@ namespace ParaMEDMEM
   {
   public:
     static MEDFileFields *New() throw(INTERP_KERNEL::Exception);
-    static MEDFileFields *New(const char *fileName, bool loadAll=true) throw(INTERP_KERNEL::Exception);
+    static MEDFileFields *New(const std::string& fileName, bool loadAll=true) throw(INTERP_KERNEL::Exception);
+    static MEDFileFields *LoadPartOf(const std::string& fileName, bool loadAll=true, const MEDFileMeshes *ms=0) throw(INTERP_KERNEL::Exception);
     MEDFileFields *deepCpy() const throw(INTERP_KERNEL::Exception);
     MEDFileFields *shallowCpy() const throw(INTERP_KERNEL::Exception);
     void loadArrays() throw(INTERP_KERNEL::Exception);
     void loadArraysIfNecessary() throw(INTERP_KERNEL::Exception);
-    void releaseArrays() throw(INTERP_KERNEL::Exception);
-    void write(const char *fileName, int mode) const throw(INTERP_KERNEL::Exception);
+    void unloadArrays() throw(INTERP_KERNEL::Exception);
+    void unloadArraysWithoutDataLoss() throw(INTERP_KERNEL::Exception);
+    void write(const std::string& fileName, int mode) const throw(INTERP_KERNEL::Exception);
     int getNumberOfFields() const;
     std::vector<std::string> getFieldsNames() const throw(INTERP_KERNEL::Exception);
     std::vector<std::string> getMeshesNames() const throw(INTERP_KERNEL::Exception);
@@ -2073,11 +2687,12 @@ namespace ParaMEDMEM
     void resize(int newSize) throw(INTERP_KERNEL::Exception);
     void pushField(MEDFileAnyTypeFieldMultiTS *field) throw(INTERP_KERNEL::Exception);
     void setFieldAtPos(int i, MEDFileAnyTypeFieldMultiTS *field) throw(INTERP_KERNEL::Exception);
-    int getPosFromFieldName(const char *fieldName) const throw(INTERP_KERNEL::Exception);
+    int getPosFromFieldName(const std::string& fieldName) const throw(INTERP_KERNEL::Exception);
     MEDFileAnyTypeFieldMultiTS *getFieldAtPos(int i) const throw(INTERP_KERNEL::Exception);
-    MEDFileAnyTypeFieldMultiTS *getFieldWithName(const char *fieldName) const throw(INTERP_KERNEL::Exception);
-    MEDFileFields *partOfThisLyingOnSpecifiedMeshName(const char *meshName) const throw(INTERP_KERNEL::Exception);
+    MEDFileAnyTypeFieldMultiTS *getFieldWithName(const std::string& fieldName) const throw(INTERP_KERNEL::Exception);
+    MEDFileFields *partOfThisLyingOnSpecifiedMeshName(const std::string& meshName) const throw(INTERP_KERNEL::Exception);
     void destroyFieldAtPos(int i) throw(INTERP_KERNEL::Exception);
+    bool removeFieldsWithoutAnyTimeStep() throw(INTERP_KERNEL::Exception);
     %extend
        {
          MEDFileFields()
@@ -2085,7 +2700,7 @@ namespace ParaMEDMEM
            return MEDFileFields::New();
          }
 
-         MEDFileFields(const char *fileName, bool loadAll=true) throw(INTERP_KERNEL::Exception)
+         MEDFileFields(const std::string& fileName, bool loadAll=true) throw(INTERP_KERNEL::Exception)
          {
            return MEDFileFields::New(fileName,loadAll);
          }
@@ -2095,6 +2710,19 @@ namespace ParaMEDMEM
            return self->simpleRepr();
          }
 
+         static MEDFileFields *LoadSpecificEntities(const std::string& fileName, PyObject *entities, bool loadAll=true) throw(INTERP_KERNEL::Exception)
+         {
+           std::vector<std::pair<int,int> > tmp(convertTimePairIdsFromPy(entities));
+           std::size_t sz(tmp.size());
+           std::vector< std::pair<TypeOfField,INTERP_KERNEL::NormalizedCellType> > entitiesCpp(sz);
+           for(std::size_t i=0;i<sz;i++)
+             {
+               entitiesCpp[i].first=(TypeOfField)tmp[i].first;
+               entitiesCpp[i].second=(INTERP_KERNEL::NormalizedCellType)tmp[i].second;
+             }
+           return MEDFileFields::LoadSpecificEntities(fileName,entitiesCpp,loadAll);
+         }
+
          PyObject *getCommonIterations() const throw(INTERP_KERNEL::Exception)
          {
            bool ret1;
@@ -2213,10 +2841,8 @@ namespace ParaMEDMEM
              {
                Py_ssize_t strt=2,stp=2,step=2;
                PySliceObject *oC=reinterpret_cast<PySliceObject *>(elts);
-               if(PySlice_GetIndices(oC,self->getNumberOfFields(),&strt,&stp,&step)==0)
-                 self->destroyFieldsAtPos2(strt,stp,step);
-               else
-                 throw INTERP_KERNEL::Exception("MEDFileFields.__delitem__ : error in input slice !");
+               GetIndicesOfSlice(oC,self->getNumberOfFields(),&strt,&stp,&step,"MEDFileFields.__delitem__ : error in input slice !");
+               self->destroyFieldsAtPos2(strt,stp,step);
              }
            else
              {
@@ -2259,24 +2885,24 @@ namespace ParaMEDMEM
   class MEDFileParameterTinyInfo : public MEDFileWritable
   {
   public:
-    void setDescription(const char *name);
-    const char *getDescription() const;
-    void setTimeUnit(const char *unit);
-    const char *getTimeUnit() const;
+    void setDescription(const std::string& name);
+    std::string getDescription() const;
+    void setTimeUnit(const std::string& unit);
+    std::string getTimeUnit() const;
   };
 
   class MEDFileParameterDouble1TS : public MEDFileParameterDouble1TSWTI, public MEDFileParameterTinyInfo
   {
   public:
     static MEDFileParameterDouble1TS *New();
-    static MEDFileParameterDouble1TS *New(const char *fileName) throw(INTERP_KERNEL::Exception);
-    static MEDFileParameterDouble1TS *New(const char *fileName, const char *paramName) throw(INTERP_KERNEL::Exception);
-    static MEDFileParameterDouble1TS *New(const char *fileName, const char *paramName, int dt, int it) throw(INTERP_KERNEL::Exception);
+    static MEDFileParameterDouble1TS *New(const std::string& fileName) throw(INTERP_KERNEL::Exception);
+    static MEDFileParameterDouble1TS *New(const std::string& fileName, const std::string& paramName) throw(INTERP_KERNEL::Exception);
+    static MEDFileParameterDouble1TS *New(const std::string& fileName, const std::string& paramName, int dt, int it) throw(INTERP_KERNEL::Exception);
     virtual MEDFileParameter1TS *deepCpy() const throw(INTERP_KERNEL::Exception);
     virtual std::string simpleRepr() const throw(INTERP_KERNEL::Exception);
-    void setName(const char *name) throw(INTERP_KERNEL::Exception);
-    const char *getName() const throw(INTERP_KERNEL::Exception);
-    void write(const char *fileName, int mode) const throw(INTERP_KERNEL::Exception);
+    void setName(const std::string& name) throw(INTERP_KERNEL::Exception);
+    std::string getName() const throw(INTERP_KERNEL::Exception);
+    void write(const std::string& fileName, int mode) const throw(INTERP_KERNEL::Exception);
     %extend
     {
       MEDFileParameterDouble1TS()
@@ -2284,17 +2910,17 @@ namespace ParaMEDMEM
         return MEDFileParameterDouble1TS::New();
       }
       
-      MEDFileParameterDouble1TS(const char *fileName) throw(INTERP_KERNEL::Exception)
+      MEDFileParameterDouble1TS(const std::string& fileName) throw(INTERP_KERNEL::Exception)
       {
         return MEDFileParameterDouble1TS::New(fileName);
       }
 
-      MEDFileParameterDouble1TS(const char *fileName, const char *paramName) throw(INTERP_KERNEL::Exception)
+      MEDFileParameterDouble1TS(const std::string& fileName, const std::string& paramName) throw(INTERP_KERNEL::Exception)
       {
         return MEDFileParameterDouble1TS::New(fileName,paramName);
       }
 
-      MEDFileParameterDouble1TS(const char *fileName, const char *paramName, int dt, int it) throw(INTERP_KERNEL::Exception)
+      MEDFileParameterDouble1TS(const std::string& fileName, const std::string& paramName, int dt, int it) throw(INTERP_KERNEL::Exception)
       {
         return MEDFileParameterDouble1TS::New(fileName,paramName,dt,it);
       }
@@ -2322,17 +2948,18 @@ namespace ParaMEDMEM
   {
   public:
     static MEDFileParameterMultiTS *New();
-    static MEDFileParameterMultiTS *New(const char *fileName) throw(INTERP_KERNEL::Exception);
-    static MEDFileParameterMultiTS *New(const char *fileName, const char *paramName) throw(INTERP_KERNEL::Exception);
-    const char *getName() const;
-    void setName(const char *name);
+    static MEDFileParameterMultiTS *New(const std::string& fileName) throw(INTERP_KERNEL::Exception);
+    static MEDFileParameterMultiTS *New(const std::string& fileName, const std::string& paramName) throw(INTERP_KERNEL::Exception);
+    std::string getName() const;
+    void setName(const std::string& name);
     MEDFileParameterMultiTS *deepCpy() const throw(INTERP_KERNEL::Exception);
-    void write(const char *fileName, int mode) const throw(INTERP_KERNEL::Exception);
+    void write(const std::string& fileName, int mode) const throw(INTERP_KERNEL::Exception);
     std::string simpleRepr() const throw(INTERP_KERNEL::Exception);
     void appendValue(int dt, int it, double time, double val) throw(INTERP_KERNEL::Exception);
     double getDoubleValue(int iteration, int order) const throw(INTERP_KERNEL::Exception);
     int getPosOfTimeStep(int iteration, int order) const throw(INTERP_KERNEL::Exception);
     int getPosGivenTime(double time, double eps=1e-8) const throw(INTERP_KERNEL::Exception);
+    int getNumberOfTS() const throw(INTERP_KERNEL::Exception);
     %extend
     {
       MEDFileParameterMultiTS()
@@ -2340,12 +2967,12 @@ namespace ParaMEDMEM
         return MEDFileParameterMultiTS::New();
       }
       
-      MEDFileParameterMultiTS(const char *fileName)
+      MEDFileParameterMultiTS(const std::string& fileName)
       {
         return MEDFileParameterMultiTS::New(fileName);
       }
 
-      MEDFileParameterMultiTS(const char *fileName, const char *paramName)
+      MEDFileParameterMultiTS(const std::string& fileName, const std::string& paramName)
       {
         return MEDFileParameterMultiTS::New(fileName,paramName);
       }
@@ -2403,7 +3030,7 @@ namespace ParaMEDMEM
       {
         if(elt0 && PyInt_Check(elt0))
           {//fmts[3]
-            int pos=PyInt_AS_LONG(elt0);
+            int pos=InterpreteNegativeInt(PyInt_AS_LONG(elt0),self->getNumberOfTS());
             return pos;
           }
         else if(elt0 && PyTuple_Check(elt0))
@@ -2515,16 +3142,16 @@ namespace ParaMEDMEM
   {
   public:
     static MEDFileParameters *New();
-    static MEDFileParameters *New(const char *fileName) throw(INTERP_KERNEL::Exception);
+    static MEDFileParameters *New(const std::string& fileName) throw(INTERP_KERNEL::Exception);
     MEDFileParameters *deepCpy() const throw(INTERP_KERNEL::Exception);
-    void write(const char *fileName, int mode) const throw(INTERP_KERNEL::Exception);
+    void write(const std::string& fileName, int mode) const throw(INTERP_KERNEL::Exception);
     std::vector<std::string> getParamsNames() const throw(INTERP_KERNEL::Exception);
     std::string simpleRepr() const throw(INTERP_KERNEL::Exception);
     void resize(int newSize) throw(INTERP_KERNEL::Exception);
     void pushParam(MEDFileParameterMultiTS *param) throw(INTERP_KERNEL::Exception);
     void setParamAtPos(int i, MEDFileParameterMultiTS *param) throw(INTERP_KERNEL::Exception);
     void destroyParamAtPos(int i) throw(INTERP_KERNEL::Exception);
-    int getPosFromParamName(const char *paramName) const throw(INTERP_KERNEL::Exception);
+    int getPosFromParamName(const std::string& paramName) const throw(INTERP_KERNEL::Exception);
     int getNumberOfParams() const throw(INTERP_KERNEL::Exception);
     %extend
     {
@@ -2533,7 +3160,7 @@ namespace ParaMEDMEM
         return MEDFileParameters::New();
       }
       
-      MEDFileParameters(const char *fileName)
+      MEDFileParameters(const std::string& fileName)
       {
         return MEDFileParameters::New(fileName);
       }
@@ -2547,7 +3174,7 @@ namespace ParaMEDMEM
       {
         if(PyInt_Check(obj))
           {
-            MEDFileParameterMultiTS *ret=self->getParamAtPos((int)PyInt_AS_LONG(obj));
+            MEDFileParameterMultiTS *ret=self->getParamAtPos(InterpreteNegativeInt((int)PyInt_AS_LONG(obj),self->getNumberOfParams()));
             if(ret)
               ret->incrRef();
             return ret;
@@ -2576,7 +3203,7 @@ namespace ParaMEDMEM
         return ret;
       }
 
-      MEDFileParameterMultiTS *getParamWithName(const char *paramName) const throw(INTERP_KERNEL::Exception)
+      MEDFileParameterMultiTS *getParamWithName(const std::string& paramName) const throw(INTERP_KERNEL::Exception)
       {
         MEDFileParameterMultiTS *ret=self->getParamWithName(paramName);
         if(ret)
@@ -2601,7 +3228,7 @@ namespace ParaMEDMEM
   class MEDFileData : public RefCountObject, public MEDFileWritable
   {
   public:
-    static MEDFileData *New(const char *fileName) throw(INTERP_KERNEL::Exception);
+    static MEDFileData *New(const std::string& fileName) throw(INTERP_KERNEL::Exception);
     static MEDFileData *New();
     MEDFileData *deepCpy() const throw(INTERP_KERNEL::Exception);
     void setFields(MEDFileFields *fields) throw(INTERP_KERNEL::Exception);
@@ -2611,13 +3238,13 @@ namespace ParaMEDMEM
     int getNumberOfMeshes() const throw(INTERP_KERNEL::Exception);
     int getNumberOfParams() const throw(INTERP_KERNEL::Exception);
     //
-    bool changeMeshName(const char *oldMeshName, const char *newMeshName) throw(INTERP_KERNEL::Exception);
+    bool changeMeshName(const std::string& oldMeshName, const std::string& newMeshName) throw(INTERP_KERNEL::Exception);
     bool unPolyzeMeshes() throw(INTERP_KERNEL::Exception);
     //
-    void write(const char *fileName, int mode) const throw(INTERP_KERNEL::Exception);
+    void write(const std::string& fileName, int mode) const throw(INTERP_KERNEL::Exception);
     %extend
        {
-         MEDFileData(const char *fileName) throw(INTERP_KERNEL::Exception)
+         MEDFileData(const std::string& fileName) throw(INTERP_KERNEL::Exception)
          {
            return MEDFileData::New(fileName);
          }
@@ -2667,8 +3294,15 @@ namespace ParaMEDMEM
   class SauvReader : public RefCountObject
   {
   public:
-    static SauvReader* New(const char *fileName) throw(INTERP_KERNEL::Exception);
+    static SauvReader* New(const std::string& fileName) throw(INTERP_KERNEL::Exception);
     MEDFileData * loadInMEDFileDS() throw(INTERP_KERNEL::Exception);
+    %extend
+    {
+      SauvReader(const std::string& fileName) throw(INTERP_KERNEL::Exception)
+      {
+        return SauvReader::New(fileName);
+      }
+    }
   };
 
   class SauvWriter : public RefCountObject
@@ -2676,7 +3310,216 @@ namespace ParaMEDMEM
   public:
     static SauvWriter * New();
     void setMEDFileDS(const MEDFileData* medData, unsigned meshIndex = 0) throw(INTERP_KERNEL::Exception);
-    void write(const char* fileName) throw(INTERP_KERNEL::Exception);
+    void write(const std::string& fileName) throw(INTERP_KERNEL::Exception);
+    void setCpyGrpIfOnASingleFamilyStatus(bool status) throw(INTERP_KERNEL::Exception);
+    bool getCpyGrpIfOnASingleFamilyStatus() const throw(INTERP_KERNEL::Exception);
+    %extend
+    {
+      SauvWriter() throw(INTERP_KERNEL::Exception)
+      {
+        return SauvWriter::New();
+      }
+    }
+  };
+  
+  ///////////////
+
+  class MEDFileMeshStruct;
+
+  class MEDFileField1TSStructItem
+  {
+  public:
+    static MEDFileField1TSStructItem BuildItemFrom(const MEDFileAnyTypeField1TS *ref, const MEDFileMeshStruct *meshSt) throw(INTERP_KERNEL::Exception);
   };
 
+  class MEDFileMeshStruct : public RefCountObject
+  {
+  public:
+    static MEDFileMeshStruct *New(const MEDFileMesh *mesh) throw(INTERP_KERNEL::Exception);
+  protected:
+    ~MEDFileMeshStruct();
+  };
+  
+  class MEDMeshMultiLev : public RefCountObject
+  {
+  public:
+    virtual MEDMeshMultiLev *prepare() const throw(INTERP_KERNEL::Exception);
+    DataArray *buildDataArray(const MEDFileField1TSStructItem& fst, const MEDFileFieldGlobsReal *globs, const DataArray *vals) const throw(INTERP_KERNEL::Exception);
+  protected:
+    ~MEDMeshMultiLev();
+  public:
+    %extend
+    {
+      PyObject *retrieveFamilyIdsOnCells() const throw(INTERP_KERNEL::Exception)
+      {
+        DataArrayInt *famIds(0);
+        bool isWithoutCopy(false);
+        self->retrieveFamilyIdsOnCells(famIds,isWithoutCopy);
+        PyObject *ret=PyTuple_New(2);
+        PyObject *ret1Py=isWithoutCopy?Py_True:Py_False;
+        Py_XINCREF(ret1Py);
+        PyTuple_SetItem(ret,0,SWIG_NewPointerObj(SWIG_as_voidptr(famIds),SWIGTYPE_p_ParaMEDMEM__DataArrayInt, SWIG_POINTER_OWN | 0 ));
+        PyTuple_SetItem(ret,1,ret1Py);
+        return ret;
+      }
+
+      PyObject *retrieveNumberIdsOnCells() const throw(INTERP_KERNEL::Exception)
+      {
+        DataArrayInt *numIds(0);
+        bool isWithoutCopy(false);
+        self->retrieveNumberIdsOnCells(numIds,isWithoutCopy);
+        PyObject *ret=PyTuple_New(2);
+        PyObject *ret1Py=isWithoutCopy?Py_True:Py_False;
+        Py_XINCREF(ret1Py);
+        PyTuple_SetItem(ret,0,SWIG_NewPointerObj(SWIG_as_voidptr(numIds),SWIGTYPE_p_ParaMEDMEM__DataArrayInt, SWIG_POINTER_OWN | 0 ));
+        PyTuple_SetItem(ret,1,ret1Py);
+        return ret;
+      }
+      
+      PyObject *retrieveFamilyIdsOnNodes() const throw(INTERP_KERNEL::Exception)
+      {
+        DataArrayInt *famIds(0);
+        bool isWithoutCopy(false);
+        self->retrieveFamilyIdsOnNodes(famIds,isWithoutCopy);
+        PyObject *ret=PyTuple_New(2);
+        PyObject *ret1Py=isWithoutCopy?Py_True:Py_False;
+        Py_XINCREF(ret1Py);
+        PyTuple_SetItem(ret,0,SWIG_NewPointerObj(SWIG_as_voidptr(famIds),SWIGTYPE_p_ParaMEDMEM__DataArrayInt, SWIG_POINTER_OWN | 0 ));
+        PyTuple_SetItem(ret,1,ret1Py);
+        return ret;
+      }
+
+      PyObject *retrieveNumberIdsOnNodes() const throw(INTERP_KERNEL::Exception)
+      {
+        DataArrayInt *numIds(0);
+        bool isWithoutCopy(false);
+        self->retrieveNumberIdsOnNodes(numIds,isWithoutCopy);
+        PyObject *ret=PyTuple_New(2);
+        PyObject *ret1Py=isWithoutCopy?Py_True:Py_False;
+        Py_XINCREF(ret1Py);
+        PyTuple_SetItem(ret,0,SWIG_NewPointerObj(SWIG_as_voidptr(numIds),SWIGTYPE_p_ParaMEDMEM__DataArrayInt, SWIG_POINTER_OWN | 0 ));
+        PyTuple_SetItem(ret,1,ret1Py);
+        return ret;
+      }
+
+      PyObject *getGeoTypes() const throw(INTERP_KERNEL::Exception)
+      {
+        std::vector< INTERP_KERNEL::NormalizedCellType > result(self->getGeoTypes());
+        std::vector< INTERP_KERNEL::NormalizedCellType >::const_iterator iL(result.begin());
+        PyObject *res(PyList_New(result.size()));
+        for(int i=0;iL!=result.end(); i++, iL++)
+          PyList_SetItem(res,i,PyInt_FromLong(*iL));
+        return res;
+      }
+    }
+  };
+
+  class MEDUMeshMultiLev : public MEDMeshMultiLev
+  {
+  protected:
+    ~MEDUMeshMultiLev();
+  public:
+    %extend
+     {
+       PyObject *buildVTUArrays() const throw(INTERP_KERNEL::Exception)
+       {
+         DataArrayDouble *coords(0); DataArrayByte *types(0); DataArrayInt *cellLocations(0),*cells(0),*faceLocations(0),*faces(0);
+         bool ncc(self->buildVTUArrays(coords,types,cellLocations,cells,faceLocations,faces));
+         PyObject *ret0Py=ncc?Py_True:Py_False;
+         Py_XINCREF(ret0Py);
+         PyObject *ret=PyTuple_New(7);
+         PyTuple_SetItem(ret,0,ret0Py);
+         PyTuple_SetItem(ret,1,SWIG_NewPointerObj(SWIG_as_voidptr(coords),SWIGTYPE_p_ParaMEDMEM__DataArrayDouble, SWIG_POINTER_OWN | 0 ));
+         PyTuple_SetItem(ret,2,SWIG_NewPointerObj(SWIG_as_voidptr(types),SWIGTYPE_p_ParaMEDMEM__DataArrayByte, SWIG_POINTER_OWN | 0 ));
+         PyTuple_SetItem(ret,3,SWIG_NewPointerObj(SWIG_as_voidptr(cellLocations),SWIGTYPE_p_ParaMEDMEM__DataArrayInt, SWIG_POINTER_OWN | 0 ));
+         PyTuple_SetItem(ret,4,SWIG_NewPointerObj(SWIG_as_voidptr(cells),SWIGTYPE_p_ParaMEDMEM__DataArrayInt, SWIG_POINTER_OWN | 0 ));
+         PyTuple_SetItem(ret,5,SWIG_NewPointerObj(SWIG_as_voidptr(faceLocations),SWIGTYPE_p_ParaMEDMEM__DataArrayInt, SWIG_POINTER_OWN | 0 ));
+         PyTuple_SetItem(ret,6,SWIG_NewPointerObj(SWIG_as_voidptr(faces),SWIGTYPE_p_ParaMEDMEM__DataArrayInt, SWIG_POINTER_OWN | 0 ));
+         return ret;
+       }
+     }
+  };
+
+  class MEDStructuredMeshMultiLev : public MEDMeshMultiLev
+  {
+  protected:
+    ~MEDStructuredMeshMultiLev();
+  };
+
+  class MEDCMeshMultiLev : public MEDStructuredMeshMultiLev
+  {
+  protected:
+    ~MEDCMeshMultiLev();
+  public:
+    %extend
+    {
+      PyObject *buildVTUArrays() const throw(INTERP_KERNEL::Exception)
+      {
+        bool isInternal;
+        std::vector< DataArrayDouble * > objs(self->buildVTUArrays(isInternal));
+        std::size_t sz(objs.size());
+        PyObject *ret(PyTuple_New(2));
+        PyObject *ret0=PyList_New(sz);
+        for(std::size_t i=0;i<sz;i++)
+          PyList_SetItem(ret0,i,SWIG_NewPointerObj(SWIG_as_voidptr(objs[i]),SWIGTYPE_p_ParaMEDMEM__DataArrayDouble, SWIG_POINTER_OWN | 0 ));
+        PyTuple_SetItem(ret,0,ret0);
+        PyObject *ret1Py(isInternal?Py_True:Py_False);
+        Py_XINCREF(ret1Py);
+        PyTuple_SetItem(ret,1,ret1Py);
+        return ret;
+      }
+    }
+  };
+
+  class MEDCurveLinearMeshMultiLev : public MEDStructuredMeshMultiLev
+  {
+  protected:
+    ~MEDCurveLinearMeshMultiLev();
+  public:
+    %extend
+    {
+      PyObject *buildVTUArrays() const throw(INTERP_KERNEL::Exception)
+      {
+        DataArrayDouble *ret0(0);
+        std::vector<int> ret1;
+        bool ret2;
+        self->buildVTUArrays(ret0,ret1,ret2);
+        std::size_t sz(ret1.size());
+        PyObject *ret=PyTuple_New(3);
+        PyTuple_SetItem(ret,0,SWIG_NewPointerObj(SWIG_as_voidptr(ret0),SWIGTYPE_p_ParaMEDMEM__DataArrayDouble, SWIG_POINTER_OWN | 0 ));
+        PyObject *ret1Py=PyList_New(sz);
+        for(std::size_t i=0;i<sz;i++)
+          PyList_SetItem(ret1Py,i,SWIG_From_int(ret1[i]));
+        PyTuple_SetItem(ret,1,ret1Py);
+        PyObject *ret2Py(ret2?Py_True:Py_False);
+        Py_XINCREF(ret2Py);
+        PyTuple_SetItem(ret,2,ret2Py);
+        return ret;
+      }
+    }
+  };
+
+  class MEDFileFastCellSupportComparator : public RefCountObject
+  {
+  public:
+    static MEDFileFastCellSupportComparator *New(const MEDFileMeshStruct *m, const MEDFileAnyTypeFieldMultiTS *ref) throw(INTERP_KERNEL::Exception);
+    MEDMeshMultiLev *buildFromScratchDataSetSupport(int timeStepId, const MEDFileFieldGlobsReal *globs) const throw(INTERP_KERNEL::Exception);
+    bool isDataSetSupportEqualToThePreviousOne(int timeStepId, const MEDFileFieldGlobsReal *globs) const throw(INTERP_KERNEL::Exception);
+    int getNumberOfTS() const throw(INTERP_KERNEL::Exception);
+  protected:
+    ~MEDFileFastCellSupportComparator();
+  public:
+    %extend
+    {
+      PyObject *getGeoTypesAt(int timeStepId, const MEDFileMesh *m) const throw(INTERP_KERNEL::Exception)
+      {
+        std::vector< INTERP_KERNEL::NormalizedCellType > result(self->getGeoTypesAt(timeStepId,m));
+        std::vector< INTERP_KERNEL::NormalizedCellType >::const_iterator iL(result.begin());
+        PyObject *res(PyList_New(result.size()));
+        for(int i=0;iL!=result.end(); i++, iL++)
+          PyList_SetItem(res,i,PyInt_FromLong(*iL));
+        return res;
+      }
+    }
+  };
 }