X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=src%2FMEDLoader%2FSwig%2FMEDLoaderCommon.i;h=7145ba888fc74d77d5d8645c4539ae48db244b72;hb=b0d8189fefd2a0761ecfb14dd90a0c30a2eb3768;hp=60cac09fb171f311ad40a752fb48b8d957930580;hpb=9561c1acc75afeaa67e8b12916e3b6748d2ebf6d;p=modules%2Fmed.git

diff --git a/src/MEDLoader/Swig/MEDLoaderCommon.i b/src/MEDLoader/Swig/MEDLoaderCommon.i
index 60cac09fb..7145ba888 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) 2007-2014  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
@@ -31,6 +31,8 @@
 #include "MEDFileField.hxx"
 #include "MEDFileParameter.hxx"
 #include "MEDFileData.hxx"
+#include "MEDFileMeshReadSelector.hxx"
+#include "MEDFileFieldOverView.hxx"
 #include "MEDLoaderTypemaps.i"
 #include "SauvReader.hxx"
 #include "SauvWriter.hxx"
@@ -62,9 +64,15 @@ 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;
@@ -96,6 +104,9 @@ 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::MEDFileCMesh::New;
 %newobject ParaMEDMEM::MEDFileCurveLinearMesh::New;
@@ -132,8 +143,10 @@ using namespace ParaMEDMEM;
 %newobject ParaMEDMEM::MEDFileFieldMultiTS::getFieldOnMeshAtLevel;
 %newobject ParaMEDMEM::MEDFileFieldMultiTS::getFieldAtLevelOld;
 %newobject ParaMEDMEM::MEDFileFieldMultiTS::getUndergroundDataArray;
+%newobject ParaMEDMEM::MEDFileFieldMultiTS::convertToInt;
 %newobject ParaMEDMEM::MEDFileIntFieldMultiTS::New;
 %newobject ParaMEDMEM::MEDFileIntFieldMultiTS::getUndergroundDataArray;
+%newobject ParaMEDMEM::MEDFileIntFieldMultiTS::convertToDouble;
 
 %newobject ParaMEDMEM::MEDFileAnyTypeField1TS::New;
 %newobject ParaMEDMEM::MEDFileAnyTypeField1TS::shallowCpy;
@@ -144,8 +157,10 @@ using namespace ParaMEDMEM;
 %newobject ParaMEDMEM::MEDFileField1TS::getFieldOnMeshAtLevel;
 %newobject ParaMEDMEM::MEDFileField1TS::getFieldAtLevelOld;
 %newobject ParaMEDMEM::MEDFileField1TS::getUndergroundDataArray;
+%newobject ParaMEDMEM::MEDFileField1TS::convertToInt;
 %newobject ParaMEDMEM::MEDFileIntField1TS::New;
 %newobject ParaMEDMEM::MEDFileIntField1TS::getUndergroundDataArray;
+%newobject ParaMEDMEM::MEDFileIntField1TS::convertToDouble;
 
 %newobject ParaMEDMEM::MEDFileData::New;
 %newobject ParaMEDMEM::MEDFileData::deepCpy;
@@ -169,6 +184,12 @@ using namespace ParaMEDMEM;
 %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 "$this->decrRef();"
@@ -190,29 +211,49 @@ using namespace ParaMEDMEM;
 %feature("unref") MEDFileData "$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());
@@ -227,7 +268,7 @@ 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());
@@ -243,7 +284,7 @@ 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());
@@ -257,7 +298,7 @@ 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());
@@ -271,7 +312,7 @@ 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());
@@ -285,7 +326,7 @@ 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);
@@ -312,32 +353,32 @@ 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();
@@ -346,32 +387,35 @@ 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
@@ -386,22 +430,58 @@ namespace ParaMEDMEM
     void setZipConnPolicy(int newVal) throw(INTERP_KERNEL::Exception);
   };
 
+  class MEDFileMeshReadSelector
+  {
+  public:
+    MEDFileMeshReadSelector();
+    MEDFileMeshReadSelector(unsigned int code);
+    unsigned int getCode() const;
+    void setCode(unsigned int newCode);
+    bool isCellFamilyFieldReading() const;
+    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)
+      {
+        std::ostringstream oss;
+        self->reprAll(oss);
+        return oss.str();
+      }
+      
+      std::string __repr__() const throw(INTERP_KERNEL::Exception)
+      {
+        std::ostringstream oss; oss << "MEDFileMeshReadSelector C++ instance at " << self << " (with code=" << self->getCode() << ").";
+        return oss.str();
+      }
+    }
+  };
+
   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);
@@ -409,51 +489,55 @@ 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 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 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);
@@ -480,24 +564,14 @@ namespace ParaMEDMEM
     virtual void setNameFieldAtLevel(int meshDimRelToMaxExt, DataArrayAsciiChar *nameArr) 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);
     %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();
@@ -550,6 +624,26 @@ 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);
@@ -623,38 +717,39 @@ 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);
     //
-    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);
+    DataArrayInt *getGroupArr(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);
+    DataArrayInt *getFamilyArr(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 *getNodeGroupArr(const std::string& 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 *getNodeFamilyArr(const std::string& 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);
@@ -662,21 +757,22 @@ namespace ParaMEDMEM
     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 setGroupsFromScratch(int meshDimRelToMax, const std::vector<const MEDCouplingUMesh *>& ms, bool renum=false) throw(INTERP_KERNEL::Exception);
-    void setGroupsOnSetMesh(int meshDimRelToMax, const std::vector<const MEDCouplingUMesh *>& ms, bool renum) 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);
     %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()
@@ -699,6 +795,27 @@ namespace ParaMEDMEM
            self->setGroupsAtLevel(meshDimRelToMaxExt,grps,renum);
          }
 
+         void setMeshes(PyObject *li, bool renum=false) throw(INTERP_KERNEL::Exception)
+         {
+           std::vector<const MEDCouplingUMesh *> ms;
+           convertFromPyObjVectorOfObj<const ParaMEDMEM::MEDCouplingUMesh *>(li,SWIGTYPE_p_ParaMEDMEM__MEDCouplingUMesh,"MEDCouplingUMesh",ms);
+           self->setMeshes(ms,renum);
+         }
+
+         void setGroupsFromScratch(int meshDimRelToMax, PyObject *li, bool renum=false) throw(INTERP_KERNEL::Exception)
+         {
+           std::vector<const MEDCouplingUMesh *> ms;
+           convertFromPyObjVectorOfObj<const ParaMEDMEM::MEDCouplingUMesh *>(li,SWIGTYPE_p_ParaMEDMEM__MEDCouplingUMesh,"MEDCouplingUMesh",ms);
+           self->setGroupsFromScratch(meshDimRelToMax,ms,renum);
+         }
+         
+         void setGroupsOnSetMesh(int meshDimRelToMax, PyObject *li, bool renum=false) throw(INTERP_KERNEL::Exception)
+         {
+           std::vector<const MEDCouplingUMesh *> ms;
+           convertFromPyObjVectorOfObj<const ParaMEDMEM::MEDCouplingUMesh *>(li,SWIGTYPE_p_ParaMEDMEM__MEDCouplingUMesh,"MEDCouplingUMesh",ms);
+           self->setGroupsOnSetMesh(meshDimRelToMax,ms,renum);
+         }
+
          DataArrayDouble *getCoords() const throw(INTERP_KERNEL::Exception)
          {
            DataArrayDouble *ret=self->getCoords();
@@ -707,7 +824,7 @@ namespace ParaMEDMEM
            return ret;
          }
 
-         PyObject *duplicateNodesOnM1Group(const char *grpNameM1) throw(INTERP_KERNEL::Exception)
+         PyObject *duplicateNodesOnM1Group(const std::string& grpNameM1) throw(INTERP_KERNEL::Exception)
          {
            DataArrayInt *ret0=0,*ret1=0,*ret2=0;
            self->duplicateNodesOnM1Group(grpNameM1,ret0,ret1,ret2);
@@ -717,6 +834,28 @@ 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;
+         }
        }
   };
 
@@ -728,9 +867,10 @@ namespace ParaMEDMEM
   {
   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()
@@ -738,14 +878,14 @@ 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)
@@ -762,8 +902,8 @@ 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
        {
@@ -772,14 +912,14 @@ 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)
@@ -796,11 +936,11 @@ 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
        { 
@@ -809,12 +949,12 @@ 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);
          }
@@ -855,9 +995,9 @@ 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);
     //
@@ -872,7 +1012,7 @@ 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);
          }
@@ -925,7 +1065,7 @@ 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)
@@ -938,7 +1078,7 @@ 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;
@@ -969,8 +1109,8 @@ 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);
@@ -981,13 +1121,13 @@ 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)
@@ -1011,7 +1151,7 @@ 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)
@@ -1079,17 +1219,22 @@ namespace ParaMEDMEM
   class MEDFileAnyTypeField1TS : public RefCountObject, public MEDFileFieldGlobsReal, public MEDFileWritable
   {
   public:
-    static MEDFileAnyTypeField1TS *New(const char *fileName) throw(INTERP_KERNEL::Exception);
-    static MEDFileAnyTypeField1TS *New(const char *fileName, const char *fieldName) throw(INTERP_KERNEL::Exception);
-    static MEDFileAnyTypeField1TS *New(const char *fileName, const char *fieldName, int iteration, int order) 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 unloadArrays() 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);
@@ -1098,7 +1243,7 @@ namespace ParaMEDMEM
     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)
@@ -1121,12 +1266,12 @@ 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);
       }
@@ -1146,7 +1291,7 @@ 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);
@@ -1156,7 +1301,7 @@ 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;
@@ -1200,41 +1345,52 @@ 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;
+      }
     }
   };
 
   class MEDFileField1TS : public MEDFileAnyTypeField1TS
   {
   public:
-    static MEDFileField1TS *New(const char *fileName, const char *fieldName, int iteration, int order) throw(INTERP_KERNEL::Exception);
-    static MEDFileField1TS *New(const char *fileName, const char *fieldName) throw(INTERP_KERNEL::Exception);
-    static MEDFileField1TS *New(const char *fileName) 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 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) throw(INTERP_KERNEL::Exception)
+         MEDFileField1TS(const std::string& fileName, bool loadAll=true) throw(INTERP_KERNEL::Exception)
          {
-           return MEDFileField1TS::New(fileName);
+           return MEDFileField1TS::New(fileName,loadAll);
          }
          
-         MEDFileField1TS(const char *fileName, const char *fieldName) 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);
+           return MEDFileField1TS::New(fileName,fieldName,loadAll);
          }
 
-         MEDFileField1TS(const char *fileName, const char *fieldName, int iteration, int order) 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);
+           return MEDFileField1TS::New(fileName,fieldName,iteration,order,loadAll);
          }
 
          MEDFileField1TS()
@@ -1265,7 +1421,7 @@ 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;
@@ -1340,9 +1496,10 @@ namespace ParaMEDMEM
   {
   public:
     static MEDFileIntField1TS *New();
-    static MEDFileIntField1TS *New(const char *fileName) throw(INTERP_KERNEL::Exception);
-    static MEDFileIntField1TS *New(const char *fileName, const char *fieldName) throw(INTERP_KERNEL::Exception);
-    static MEDFileIntField1TS *New(const char *fileName, const char *fieldName, int iteration, int order) 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);
@@ -1353,19 +1510,19 @@ namespace ParaMEDMEM
         return MEDFileIntField1TS::New();
       }
 
-      MEDFileIntField1TS(const char *fileName) throw(INTERP_KERNEL::Exception)
+      MEDFileIntField1TS(const std::string& fileName, bool loadAll=true) throw(INTERP_KERNEL::Exception)
       {
-        return MEDFileIntField1TS::New(fileName);
+        return MEDFileIntField1TS::New(fileName,loadAll);
       }
 
-      MEDFileIntField1TS(const char *fileName, const char *fieldName) 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);
+        return MEDFileIntField1TS::New(fileName,fieldName,loadAll);
       }
 
-      MEDFileIntField1TS(const char *fileName, const char *fieldName, int iteration, int order) 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);
+        return MEDFileIntField1TS::New(fileName,fieldName,iteration,order,loadAll);
       }
 
       std::string __str__() const throw(INTERP_KERNEL::Exception)
@@ -1413,7 +1570,7 @@ 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);
@@ -1465,23 +1622,26 @@ namespace ParaMEDMEM
   class MEDFileAnyTypeFieldMultiTS : public RefCountObject, public MEDFileFieldGlobsReal, public MEDFileWritable
   {
   public:
-    static MEDFileAnyTypeFieldMultiTS *New(const char *fileName) throw(INTERP_KERNEL::Exception);
-    static MEDFileAnyTypeFieldMultiTS *New(const char *fileName, const char *fieldName) 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);
     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 unloadArrays() 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);
@@ -1576,7 +1736,7 @@ 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);
@@ -1586,7 +1746,7 @@ 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;
@@ -1743,12 +1903,77 @@ 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;
+      }
+
       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);
       }
+
+      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;
+      }
     }
   };
 
@@ -1756,17 +1981,18 @@ namespace ParaMEDMEM
   {
   public:
     static MEDFileFieldMultiTS *New() throw(INTERP_KERNEL::Exception);
-    static MEDFileFieldMultiTS *New(const char *fileName) throw(INTERP_KERNEL::Exception);
-    static MEDFileFieldMultiTS *New(const char *fileName, const char *fieldName) 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 isDeepCpyGlobs=true) const throw(INTERP_KERNEL::Exception);
     %extend
        {
          MEDFileFieldMultiTS()
@@ -1774,14 +2000,14 @@ namespace ParaMEDMEM
            return MEDFileFieldMultiTS::New();
          }
 
-         MEDFileFieldMultiTS(const char *fileName) throw(INTERP_KERNEL::Exception)
+         MEDFileFieldMultiTS(const std::string& fileName, bool loadAll=true) throw(INTERP_KERNEL::Exception)
          {
-           return MEDFileFieldMultiTS::New(fileName);
+           return MEDFileFieldMultiTS::New(fileName,loadAll);
          }
 
-         MEDFileFieldMultiTS(const char *fileName, const char *fieldName) 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);
+           return MEDFileFieldMultiTS::New(fileName,fieldName,loadAll);
          }
          
          std::string __str__() const throw(INTERP_KERNEL::Exception)
@@ -1799,7 +2025,7 @@ 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;
@@ -1892,11 +2118,12 @@ namespace ParaMEDMEM
   {
   public:
     static MEDFileIntFieldMultiTS *New();
-    static MEDFileIntFieldMultiTS *New(const char *fileName) throw(INTERP_KERNEL::Exception);
-    static MEDFileIntFieldMultiTS *New(const char *fileName, const char *fieldName) 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 isDeepCpyGlobs=true) const throw(INTERP_KERNEL::Exception);
     %extend
     {
       MEDFileIntFieldMultiTS()
@@ -1904,14 +2131,14 @@ namespace ParaMEDMEM
         return MEDFileIntFieldMultiTS::New();
       }
       
-      MEDFileIntFieldMultiTS(const char *fileName) throw(INTERP_KERNEL::Exception)
+      MEDFileIntFieldMultiTS(const std::string& fileName, bool loadAll=true) throw(INTERP_KERNEL::Exception)
       {
-        return MEDFileIntFieldMultiTS::New(fileName);
+        return MEDFileIntFieldMultiTS::New(fileName,loadAll);
       }
       
-      MEDFileIntFieldMultiTS(const char *fileName, const char *fieldName) 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);
+        return MEDFileIntFieldMultiTS::New(fileName,fieldName,loadAll);
       }
 
       std::string __str__() const throw(INTERP_KERNEL::Exception)
@@ -1959,7 +2186,7 @@ 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);
@@ -1993,10 +2220,13 @@ namespace ParaMEDMEM
   {
   public:
     static MEDFileFields *New() throw(INTERP_KERNEL::Exception);
-    static MEDFileFields *New(const char *fileName) throw(INTERP_KERNEL::Exception);
+    static MEDFileFields *New(const std::string& fileName, bool loadAll=true) throw(INTERP_KERNEL::Exception);
     MEDFileFields *deepCpy() const throw(INTERP_KERNEL::Exception);
     MEDFileFields *shallowCpy() const throw(INTERP_KERNEL::Exception);
-    void write(const char *fileName, int mode) const throw(INTERP_KERNEL::Exception);
+    void loadArrays() throw(INTERP_KERNEL::Exception);
+    void loadArraysIfNecessary() throw(INTERP_KERNEL::Exception);
+    void unloadArrays() 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);
@@ -2004,10 +2234,10 @@ 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);
     %extend
        {
@@ -2016,9 +2246,9 @@ namespace ParaMEDMEM
            return MEDFileFields::New();
          }
 
-         MEDFileFields(const char *fileName) throw(INTERP_KERNEL::Exception)
+         MEDFileFields(const std::string& fileName, bool loadAll=true) throw(INTERP_KERNEL::Exception)
          {
-           return MEDFileFields::New(fileName);
+           return MEDFileFields::New(fileName,loadAll);
          }
          
          std::string __str__() const throw(INTERP_KERNEL::Exception)
@@ -2190,24 +2420,24 @@ 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()
@@ -2215,17 +2445,17 @@ 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);
       }
@@ -2253,12 +2483,12 @@ 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);
@@ -2271,12 +2501,12 @@ 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);
       }
@@ -2446,16 +2676,16 @@ 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
     {
@@ -2464,7 +2694,7 @@ namespace ParaMEDMEM
         return MEDFileParameters::New();
       }
       
-      MEDFileParameters(const char *fileName)
+      MEDFileParameters(const std::string& fileName)
       {
         return MEDFileParameters::New(fileName);
       }
@@ -2507,7 +2737,7 @@ 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)
@@ -2532,7 +2762,7 @@ 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);
@@ -2542,13 +2772,13 @@ 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);
          }
@@ -2598,8 +2828,15 @@ 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
@@ -2607,7 +2844,216 @@ 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;
+      }
+    }
+  };
 }