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Serialization of DataArrayByte. Serialization of MEDFileData objects. But still some...
[tools/medcoupling.git] / src / MEDLoader / Swig / MEDLoaderTest3.py
index ce9732f0b4fd8186aade119a2b6ae19494348b04..bd37a82e26a481de2386700c0dbef689d8b30b85 100644 (file)
@@ -1,5 +1,5 @@
 #  -*- coding: iso-8859-1 -*-
-# Copyright (C) 2007-2015  CEA/DEN, EDF R&D
+# Copyright (C) 2007-2016  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
 
 from MEDLoader import *
 import unittest
+import platform
 from math import pi,e,sqrt
 from MEDLoaderDataForTest import MEDLoaderDataForTest
+from distutils.version import LooseVersion
 
-class MEDLoaderTest(unittest.TestCase):
+class MEDLoaderTest3(unittest.TestCase):
     def testMEDMesh1(self):
         fileName="Pyfile18.med"
         mname="ExampleOfMultiDimW"
@@ -32,10 +34,10 @@ class MEDLoaderTest(unittest.TestCase):
         self.assertRaises(InterpKernelException,MEDFileMesh.New,fileName,"")
         self.assertEqual((0,-1),medmesh.getNonEmptyLevels())
         m1_0=medmesh.getLevel0Mesh(True)
-        m1_1=MEDLoader.ReadUMeshFromFile(fileName,mname,0)
+        m1_1=ReadUMeshFromFile(fileName,mname,0)
         self.assertTrue(m1_0.isEqual(m1_1,1e-12));
         m2_0=medmesh.getLevelM1Mesh(True)
-        m2_1=MEDLoader.ReadUMeshFromFile(fileName,mname,-1)
+        m2_1=ReadUMeshFromFile(fileName,mname,-1)
         self.assertTrue(m2_0.isEqual(m2_1,1e-12));
         pass
 
@@ -46,23 +48,23 @@ class MEDLoaderTest(unittest.TestCase):
         medmesh=MEDFileUMesh.New(fileName,mname)
         self.assertEqual((0,),medmesh.getNonEmptyLevels())
         m1_0=medmesh.getLevel0Mesh(True)
-        m1_1=MEDLoader.ReadUMeshFromFile(fileName,mname,0)
+        m1_1=ReadUMeshFromFile(fileName,mname,0)
         self.assertTrue(m1_0.isEqual(m1_1,1e-12));
         g1_0=medmesh.getGroup(0,"mesh2",True)
-        g1_1=MEDLoader.ReadUMeshFromGroups(fileName,mname,0,["mesh2"]);
+        g1_1=ReadUMeshFromGroups(fileName,mname,0,["mesh2"]);
         self.assertTrue(g1_0.isEqual(g1_1,1e-12));
         g1_0=medmesh.getGroup(0,"mesh3",True)
-        g1_1=MEDLoader.ReadUMeshFromGroups(fileName,mname,0,["mesh3"]);
+        g1_1=ReadUMeshFromGroups(fileName,mname,0,["mesh3"]);
         self.assertTrue(g1_0.isEqual(g1_1,1e-12));
         g1_0=medmesh.getGroups(0,["mesh3","mesh2"])
-        g1_1=MEDLoader.ReadUMeshFromGroups(fileName,mname,0,["mesh3","mesh2"]);
+        g1_1=ReadUMeshFromGroups(fileName,mname,0,["mesh3","mesh2"]);
         g1_1.setName(g1_0.getName())
         self.assertTrue(g1_0.isEqual(g1_1,1e-12));
         g1_0=medmesh.getFamily(0,"Family_-3",True)
-        g1_1=MEDLoader.ReadUMeshFromFamilies(fileName,mname,0,["Family_-3"]);
+        g1_1=ReadUMeshFromFamilies(fileName,mname,0,["Family_-3"]);
         self.assertTrue(g1_0.isEqual(g1_1,1e-12));
         g1_0=medmesh.getFamilies(0,["Family_-3","Family_-5"],True)
-        g1_1=MEDLoader.ReadUMeshFromFamilies(fileName,mname,0,["Family_-3","Family_-5"]);
+        g1_1=ReadUMeshFromFamilies(fileName,mname,0,["Family_-3","Family_-5"]);
         g1_1.setName(g1_0.getName())
         self.assertTrue(g1_0.isEqual(g1_1,1e-12));
         self.assertTrue(g1_0.isEqual(g1_1,1e-12));
@@ -98,7 +100,7 @@ class MEDLoaderTest(unittest.TestCase):
         m.insertNextCell(NORM_POLYGON,4,targetConn[14:18])
         m.finishInsertingCells();
         m.setCoords(c)
-        m.checkCoherency()
+        m.checkConsistencyLight()
         m1=MEDCouplingUMesh.New();
         m1.setMeshDimension(1);
         m1.allocateCells(3);
@@ -107,7 +109,7 @@ class MEDLoaderTest(unittest.TestCase):
         m1.insertNextCell(NORM_SEG3,3,[2,8,5])
         m1.finishInsertingCells();
         m1.setCoords(c)
-        m1.checkCoherency()
+        m1.checkConsistencyLight()
         m2=MEDCouplingUMesh.New();
         m2.setMeshDimension(0);
         m2.allocateCells(4);
@@ -117,7 +119,7 @@ class MEDLoaderTest(unittest.TestCase):
         m2.insertNextCell(NORM_POINT1,1,[6])
         m2.finishInsertingCells();
         m2.setCoords(c)
-        m2.checkCoherency()
+        m2.checkConsistencyLight()
         #
         mm=MEDFileUMesh.New()
         self.assertTrue(mm.getUnivNameWrStatus())
@@ -167,7 +169,7 @@ class MEDLoaderTest(unittest.TestCase):
         t=mm.getGroupArr(0,"GrpOnAllCell")
         self.assertTrue(t.getValues()==range(5))
         #
-        mmCpy=mm.deepCpy()
+        mmCpy=mm.deepCopy()
         self.assertTrue(mm.isEqual(mmCpy,1e-12)[0]) ; del mm
         mmCpy.write(outFileName,2);
         #
@@ -193,7 +195,7 @@ class MEDLoaderTest(unittest.TestCase):
         m.setName(mm.getName()) ; m.setDescription(mm.getDescription())
         self.assertTrue(m.isEqual(mbis,1e-12));
         #
-        self.assertEqual(([[(3, 2), (4, 1), (5, 8)], [(1, 2), (2, 1)], [(0, 4)]], 2, 2, 9),MEDLoader.GetUMeshGlobalInfo(outFileName,"MyFirstMEDCouplingMEDmesh"))
+        self.assertEqual(([[(3, 2), (4, 1), (5, 8)], [(1, 2), (2, 1)], [(0, 4)]], 2, 2, 9),GetUMeshGlobalInfo(outFileName,"MyFirstMEDCouplingMEDmesh"))
         pass
 
     # this test is the testMEDMesh3 except that permutation is dealed here
@@ -215,7 +217,7 @@ class MEDLoaderTest(unittest.TestCase):
         m.insertNextCell(NORM_QUAD4,4,targetConn[14:18])
         m.finishInsertingCells();
         m.setCoords(c)
-        m.checkCoherency()
+        m.checkConsistencyLight()
         m1=MEDCouplingUMesh.New();
         m1.setMeshDimension(1);
         m1.allocateCells(3);
@@ -224,7 +226,7 @@ class MEDLoaderTest(unittest.TestCase):
         m1.insertNextCell(NORM_SEG2,2,[3,6])
         m1.finishInsertingCells();
         m1.setCoords(c)
-        m1.checkCoherency()
+        m1.checkConsistencyLight()
         m2=MEDCouplingUMesh.New();
         m2.setMeshDimension(0);
         m2.allocateCells(4);
@@ -234,7 +236,7 @@ class MEDLoaderTest(unittest.TestCase):
         m2.insertNextCell(NORM_POINT1,1,[6])
         m2.finishInsertingCells();
         m2.setCoords(c)
-        m2.checkCoherency()
+        m2.checkConsistencyLight()
         #
         mm=MEDFileUMesh.New()
         mm.setName("My2ndMEDCouplingMEDmesh")
@@ -333,6 +335,8 @@ class MEDLoaderTest(unittest.TestCase):
         da.setInfoOnComponent(0,"ZZ [um]")
         m1.setCoordsAt(2,da)
         m.setMesh(m1)
+        self.assertTrue(m[0].isEqual(m1,1e-12))
+        self.assertTrue(isinstance(m[0],MEDCouplingCMesh))
         m.setName("myFirstCartMesh")
         m.setDescription("mmmmpppppppp")
         m.setTimeValue(2.3)
@@ -436,7 +440,7 @@ class MEDLoaderTest(unittest.TestCase):
         mm.write("Pyfile19_bis.med",2)
         ff=MEDFileFieldMultiTS.New("Pyfile19.med")
         ff.write("Pyfile19_bis.med",0)
-        self.assertEqual([('tyty','mm'),('uiop','MW')],MEDLoader.GetComponentsNamesOfField("Pyfile19_bis.med","VFieldOnNodes"))
+        self.assertEqual([('tyty','mm'),('uiop','MW')],GetComponentsNamesOfField("Pyfile19_bis.med","VFieldOnNodes"))
         pass
 
     #gauss points
@@ -447,7 +451,7 @@ class MEDLoaderTest(unittest.TestCase):
         ff.write("Pyfile13_bis.med",0)
         ff=MEDFileField1TS.New("Pyfile13.med","MyFirstFieldOnGaussPoint",1,5)
         f=ff.getFieldAtLevel(ON_GAUSS_PT,0)
-        f2=MEDLoader.ReadFieldGauss("Pyfile13.med",'2DMesh_2',0,'MyFirstFieldOnGaussPoint',1,5)
+        f2=ReadFieldGauss("Pyfile13.med",'2DMesh_2',0,'MyFirstFieldOnGaussPoint',1,5)
         self.assertTrue(f.isEqual(f2,1e-12,1e-12))
         ff3=MEDFileField1TS.New("Pyfile13.med","MyFirstFieldOnGaussPoint")
         f3=ff3.getFieldAtLevel(ON_GAUSS_PT,0)
@@ -465,7 +469,7 @@ class MEDLoaderTest(unittest.TestCase):
         ff.write("Pyfile14_bis.med",0)
         ff=MEDFileField1TS.New("Pyfile14.med","MyFieldOnGaussNE",1,5)
         f=ff.getFieldAtLevel(ON_GAUSS_NE,0)
-        f2=MEDLoader.ReadFieldGaussNE("Pyfile14.med",'2DMesh_2',0,"MyFieldOnGaussNE",1,5)
+        f2=ReadFieldGaussNE("Pyfile14.med",'2DMesh_2',0,"MyFieldOnGaussNE",1,5)
         self.assertTrue(f.isEqual(f2,1e-12,1e-12))
         pass
 
@@ -473,14 +477,14 @@ class MEDLoaderTest(unittest.TestCase):
     def testMEDField5(self):
         ff=MEDFileField1TS.New("Pyfile17.med","MeasureOfMesh_Extruded",1,2)
         f=ff.getFieldAtLevel(ON_CELLS,0)
-        f2=MEDLoader.ReadFieldCell("Pyfile17.med","Extruded",0,"MeasureOfMesh_Extruded",1,2)
+        f2=ReadFieldCell("Pyfile17.med","Extruded",0,"MeasureOfMesh_Extruded",1,2)
         self.assertTrue(f.getMesh().getCoords().isEqual(f2.getMesh().getCoords(),1e-12))
         f.getMesh().tryToShareSameCoords(f2.getMesh(),1e-12)
         f.changeUnderlyingMesh(f2.getMesh(),22,1e-12)
         self.assertTrue(f.isEqual(f2,1e-12,1e-12))
         # no with renumbering
         f=ff.getFieldAtLevel(ON_CELLS,0,1)
-        f2=MEDLoader.ReadFieldCell("Pyfile17.med","Extruded",0,"MeasureOfMesh_Extruded",1,2)
+        f2=ReadFieldCell("Pyfile17.med","Extruded",0,"MeasureOfMesh_Extruded",1,2)
         self.assertTrue(f.isEqual(f2,1e-12,1e-12))
         f=ff.getFieldAtLevel(ON_CELLS,0,3)
         self.assertTrue(f.isEqual(f2,1e-12,1e-12))
@@ -496,12 +500,12 @@ class MEDLoaderTest(unittest.TestCase):
         its=ff.getIterations()
         self.assertRaises(InterpKernelException,ff.getFieldAtLevel,ON_CELLS,its[0][0],its[0][1],0)# request on cell and it is not on cells
         f=ff.getFieldAtLevel(ON_NODES,its[0][0],its[0][1],0)
-        f2=MEDLoader.ReadFieldNode("Pyfile7.med",'3DSurfMesh_1',0,"VectorFieldOnNodes",its[0][0],its[0][1])
+        f2=ReadFieldNode("Pyfile7.med",'3DSurfMesh_1',0,"VectorFieldOnNodes",its[0][0],its[0][1])
         self.assertTrue(f.isEqual(f2,1e-12,1e-12))
         ff=MEDFileFieldMultiTS.New("Pyfile19.med","VFieldOnNodes")
         its=ff.getIterations()
         f=ff.getFieldAtLevel(ON_NODES,its[0][0],its[0][1],0)
-        f2=MEDLoader.ReadFieldNode("Pyfile19.med",'2DMesh_1',0,"VFieldOnNodes",its[0][0],its[0][1])
+        f2=ReadFieldNode("Pyfile19.med",'2DMesh_1',0,"VFieldOnNodes",its[0][0],its[0][1])
         self.assertTrue(f.isEqual(f2,1e-12,1e-12))
         self.assertRaises(InterpKernelException,ff.getFieldAtLevel,ON_CELLS,its[0][0],its[0][1],0)# request on cell and it is not on cells
         self.assertRaises(InterpKernelException,ff.getFieldAtLevel,ON_NODES,its[0][0],its[0][1],0,1)#request renumber following mesh : it is on profile !
@@ -512,7 +516,7 @@ class MEDLoaderTest(unittest.TestCase):
         ff=MEDFileFieldMultiTS.New("Pyfile12.med","VectorFieldOnCells")
         its=ff.getIterations()
         f=ff.getFieldAtLevel(ON_CELLS,its[0][0],its[0][1],0)
-        f2=MEDLoader.ReadFieldCell("Pyfile12.med",'3DMesh_1',0,"VectorFieldOnCells",its[0][0],its[0][1])
+        f2=ReadFieldCell("Pyfile12.med",'3DMesh_1',0,"VectorFieldOnCells",its[0][0],its[0][1])
         self.assertTrue(f.isEqual(f2,1e-12,1e-12))
         pass
 
@@ -529,7 +533,7 @@ class MEDLoaderTest(unittest.TestCase):
         ff1=MEDFileField1TS.New()
         ff1.setFieldNoProfileSBT(f1)
         ff1.write(fname,0)
-        f2=MEDLoader.ReadFieldCell(fname,f1.getMesh().getName(),0,f1.getName(),f1.getTime()[1],f1.getTime()[2]);
+        f2=ReadFieldCell(fname,f1.getMesh().getName(),0,f1.getName(),f1.getTime()[1],f1.getTime()[2]);
         itt,orr,ti=ff1.getTime()
         self.assertEqual(0,itt); self.assertEqual(1,orr); self.assertAlmostEqual(2.,ti,14);
         self.assertTrue(f1.isEqual(f2,1e-12,1e-12))
@@ -554,7 +558,7 @@ class MEDLoaderTest(unittest.TestCase):
         nv=1456.
         da=ff1.getUndergroundDataArray().setIJ(0,0,nv)
         ff1.write(fname,0)
-        f2=MEDLoader.ReadFieldNode(fname,f1.getMesh().getName(),0,f1.getName(),f1.getTime()[1],f1.getTime()[2])
+        f2=ReadFieldNode(fname,f1.getMesh().getName(),0,f1.getName(),f1.getTime()[1],f1.getTime()[2])
         self.assertTrue(not f1.isEqual(f2,1e-12,1e-12))
         f1.getArray().setIJ(0,0,nv)
         self.assertTrue(f1.isEqual(f2,1e-12,1e-12))
@@ -570,7 +574,7 @@ class MEDLoaderTest(unittest.TestCase):
         ff1=MEDFileField1TS.New()
         ff1.setFieldNoProfileSBT(f1)
         ff1.write(fname,0)
-        f2=MEDLoader.ReadFieldGaussNE(fname,f1.getMesh().getName(),0,f1.getName(),f1.getTime()[1],f1.getTime()[2])
+        f2=ReadFieldGaussNE(fname,f1.getMesh().getName(),0,f1.getName(),f1.getTime()[1],f1.getTime()[2])
         self.assertTrue(f1.isEqual(f2,1e-12,1e-12))
         da,infos=ff1.getUndergroundDataArrayExt()
         f2.getArray().setName(da.getName())#da has the same name than f2
@@ -579,9 +583,9 @@ class MEDLoaderTest(unittest.TestCase):
         #
         fname="Pyfile28.med"
         f1=MEDLoaderDataForTest.buildVecFieldOnGauss_2_Simpler();
-        f1InvalidCpy=f1.deepCpy()
+        f1InvalidCpy=f1.deepCopy()
         f1InvalidCpy.setDiscretization(MEDCouplingFieldDiscretizationGauss())
-        f1InvalidCpy2=f1.deepCpy()
+        f1InvalidCpy2=f1.deepCopy()
         f1InvalidCpy2.setDiscretization(MEDCouplingFieldDiscretizationGauss())
         m1=f1.getMesh()
         mm1=MEDFileUMesh.New()
@@ -641,7 +645,7 @@ class MEDLoaderTest(unittest.TestCase):
         f21=m2.getMeasureField(True) ; f21.setName("f21") ; f21=f21.buildNewTimeReprFromThis(ONE_TIME,False)
         f21.getArray().setInfoOnComponent(0,"sta [mm]") ;
         ff21.appendFieldNoProfileSBT(f21)
-        f22=f21.deepCpy() ; f22.setName("f22") ; f22=f22.buildNewTimeReprFromThis(ONE_TIME,False) ;
+        f22=f21.deepCopy() ; f22.setName("f22") ; f22=f22.buildNewTimeReprFromThis(ONE_TIME,False) ;
         f22.applyFunc(2,"3*x*IVec+2*x*JVec")
         f22.getArray().setInfoOnComponent(0,"distance [km]") ; f22.getArray().setInfoOnComponent(1,"displacement [cm]")
         ff22.appendFieldNoProfileSBT(f22)
@@ -684,7 +688,7 @@ class MEDLoaderTest(unittest.TestCase):
         #
         ff1.setFieldProfile(f1,mm1,0,da)
         ff1.changePflsNames([(["sup1_NORM_QUAD4"],"ForV650")])
-        ff1=ff1.deepCpy()
+        ff1=ff1.deepCopy()
         ff1.write(fname,0)
         #
         vals,pfl=ff1.getFieldWithProfile(ON_CELLS,0,mm1) ; vals.setName("")
@@ -724,7 +728,7 @@ class MEDLoaderTest(unittest.TestCase):
         ff1.appendFieldProfile(f1,mm1,0,da)
         f1.setTime(1.2,1,2) ; e=d.applyFunc("2*x") ; e.copyStringInfoFrom(d) ; f1.setArray(e) ;
         ff1.appendFieldProfile(f1,mm1,0,da)
-        ff1=ff1.deepCpy()
+        ff1=ff1.deepCopy()
         ff1.write(fname,0)
         #
         vals,pfl=ff1.getFieldWithProfile(ON_CELLS,1,2,0,mm1) ; vals.setName("")
@@ -888,8 +892,7 @@ class MEDLoaderTest(unittest.TestCase):
         ff1.write(fname,0)
         f1=ff1.getFieldOnMeshAtLevel(ON_GAUSS_NE,m1,0)
         f2,p1=ff1.getFieldWithProfile(ON_GAUSS_NE,0,mm1) ; f2.setName("")
-        self.assertTrue(p1.isIdentity())
-        self.assertEqual(5,p1.getNumberOfTuples())
+        self.assertTrue(p1.isIota(5))
         self.assertTrue(f1.getArray().isEqual(f2,1e-12))
         pass
     # Test for getFieldAtTopLevel method
@@ -958,7 +961,7 @@ class MEDLoaderTest(unittest.TestCase):
         ff1.appendFieldProfile(f1,mm1,0,da)
         ffs.resize(1)
         ffs.setFieldAtPos(0,ff1)
-        ffs=ffs.deepCpy()
+        ffs=ffs.deepCopy()
         ffs.write(fname,0)
         #
         ffsr=MEDFileFields.New(fname)
@@ -1054,7 +1057,7 @@ class MEDLoaderTest(unittest.TestCase):
         ff1.setFieldNoProfileSBT(f1)
         ff1.write(fname,0)
         # writing mesh1 and field1, now creation of mesh2 and field2
-        f2=f1.deepCpy()
+        f2=f1.deepCopy()
         m2=f2.getMesh()
         m2.translate([0.5,0.6,0.7])
         m2.setName("3DSurfMesh_2")
@@ -1068,9 +1071,9 @@ class MEDLoaderTest(unittest.TestCase):
         ff2.setFieldNoProfileSBT(f2)
         ff2.write(fname,0)
         #
-        f3=MEDLoader.ReadFieldCell(fname,"3DSurfMesh_1",0,"VectorFieldOnCells",0,1)
+        f3=ReadFieldCell(fname,"3DSurfMesh_1",0,"VectorFieldOnCells",0,1)
         self.assertTrue(f3.isEqual(f1,1e-12,1e-12))
-        f4=MEDLoader.ReadFieldCell(fname,"3DSurfMesh_2",0,"VectorFieldOnCells2",0,1)
+        f4=ReadFieldCell(fname,"3DSurfMesh_2",0,"VectorFieldOnCells2",0,1)
         self.assertTrue(f4.isEqual(f2,1e-12,1e-12))
         pass
 
@@ -1092,7 +1095,7 @@ class MEDLoaderTest(unittest.TestCase):
         da2.iota(7.)
         da2.rearrange(len(compNames1))
         da2.setInfoOnComponents(compNames1)
-        f2=MEDCouplingFieldDouble.New(ON_CELLS,ONE_TIME) ; f2.setName(FieldName1) ; f2.setArray(da2) ; f2.setMesh(m2) ; f2.checkCoherency()
+        f2=MEDCouplingFieldDouble.New(ON_CELLS,ONE_TIME) ; f2.setName(FieldName1) ; f2.setArray(da2) ; f2.setMesh(m2) ; f2.checkConsistencyLight()
         ff1.setFieldNoProfileSBT(f2)
         self.assertEqual(ff1.getNonEmptyLevels(),(2, [0]))
         da0=DataArrayDouble.New()
@@ -1100,7 +1103,7 @@ class MEDLoaderTest(unittest.TestCase):
         da0.iota(190.)
         da0.rearrange(len(compNames1))
         da0.setInfoOnComponents(compNames1)
-        f0=MEDCouplingFieldDouble.New(ON_CELLS,ONE_TIME) ; f0.setName(FieldName1) ; f0.setArray(da0) ; f0.setMesh(m0) ; f0.checkCoherency()
+        f0=MEDCouplingFieldDouble.New(ON_CELLS,ONE_TIME) ; f0.setName(FieldName1) ; f0.setArray(da0) ; f0.setMesh(m0) ; f0.checkConsistencyLight()
         ff1.setFieldNoProfileSBT(f0)
         self.assertEqual(ff1.getNonEmptyLevels(),(2, [0,-2]))
         da1=DataArrayDouble.New()
@@ -1108,7 +1111,7 @@ class MEDLoaderTest(unittest.TestCase):
         da1.iota(90.)
         da1.rearrange(len(compNames1))
         da1.setInfoOnComponents(compNames1)
-        f1=MEDCouplingFieldDouble.New(ON_CELLS,ONE_TIME) ; f1.setName(FieldName1) ; f1.setArray(da1) ; f1.setMesh(m1) ; f1.checkCoherency()
+        f1=MEDCouplingFieldDouble.New(ON_CELLS,ONE_TIME) ; f1.setName(FieldName1) ; f1.setArray(da1) ; f1.setMesh(m1) ; f1.checkConsistencyLight()
         ff1.setFieldNoProfileSBT(f1)
         self.assertEqual(ff1.getNonEmptyLevels(),(2, [0,-1,-2]))
         #
@@ -1122,7 +1125,7 @@ class MEDLoaderTest(unittest.TestCase):
         da0.iota(-190.)
         da0.rearrange(2)
         da0.setInfoOnComponents(compNames2)
-        f0=MEDCouplingFieldDouble.New(ON_CELLS,ONE_TIME) ; f0.setName(FieldName2) ; f0.setArray(da0) ; f0.setMesh(m0) ; f0.checkCoherency()
+        f0=MEDCouplingFieldDouble.New(ON_CELLS,ONE_TIME) ; f0.setName(FieldName2) ; f0.setArray(da0) ; f0.setMesh(m0) ; f0.checkConsistencyLight()
         ff2.setFieldNoProfileSBT(f0)
         self.assertEqual(ff2.getNonEmptyLevels(),(0, [0]))
         da1=DataArrayDouble.New()
@@ -1130,7 +1133,7 @@ class MEDLoaderTest(unittest.TestCase):
         da1.iota(-90.)
         da1.rearrange(len(compNames2))
         da1.setInfoOnComponents(compNames2)
-        f1=MEDCouplingFieldDouble.New(ON_CELLS,ONE_TIME) ; f1.setName(FieldName2) ; f1.setArray(da1) ; f1.setMesh(m1) ; f1.checkCoherency()
+        f1=MEDCouplingFieldDouble.New(ON_CELLS,ONE_TIME) ; f1.setName(FieldName2) ; f1.setArray(da1) ; f1.setMesh(m1) ; f1.checkConsistencyLight()
         ff2.setFieldNoProfileSBT(f1)
         self.assertEqual(ff2.getNonEmptyLevels(),(1, [0,-1]))
         #
@@ -1229,7 +1232,7 @@ class MEDLoaderTest(unittest.TestCase):
             pass
         pass
 
-    def testDuplicateNodesOnM1Group1(self):
+    def testBuildInnerBoundaryAlongM1Group1(self):
         fname="Pyfile44.med"
         m=MEDCouplingCMesh.New()
         m.setCoordsAt(0,DataArrayDouble.New([0.,1.1,2.3,3.6,5.,6.5]))
@@ -1254,7 +1257,7 @@ class MEDLoaderTest(unittest.TestCase):
         self.assertEqual(ref0,mm.getMeshAtLevel(0)[[12,13,14]].getNodalConnectivity().getValues())
         self.assertEqual(ref1,mm.getMeshAtLevel(0)[[7,8,9]].getNodalConnectivity().getValues())
         #
-        nodes,cells,cells2=mm.duplicateNodesOnM1Group("Grp")
+        nodes,cells,cells2=mm.buildInnerBoundaryAlongM1Group("Grp")
         self.assertEqual([15,16,17],nodes.getValues());
         self.assertEqual([7,8,9],cells.getValues());
         self.assertEqual([12,13,14],cells2.getValues());
@@ -1279,7 +1282,7 @@ class MEDLoaderTest(unittest.TestCase):
         mm.write(fname,2)
         pass
 
-    def testDuplicateNodesOnM1Group2(self):
+    def testBuildInnerBoundaryAlongM1Group2(self):
         fname="Pyfile45.med"
         m=MEDCouplingCMesh.New()
         m.setCoordsAt(0,DataArrayDouble.New([0.,1.1,2.3,3.6,5.,6.5]))
@@ -1304,7 +1307,7 @@ class MEDLoaderTest(unittest.TestCase):
         self.assertEqual(ref0,mm.getMeshAtLevel(0)[[12,13,14]].getNodalConnectivity().getValues())
         self.assertEqual(ref1,mm.getMeshAtLevel(0)[[7,8]].getNodalConnectivity().getValues())
         #
-        nodes,cells,cells2=mm.duplicateNodesOnM1Group("Grp")
+        nodes,cells,cells2=mm.buildInnerBoundaryAlongM1Group("Grp")
         self.assertEqual([15],nodes.getValues());
         self.assertEqual([7,8],cells.getValues());
         self.assertEqual([12,13],cells2.getValues());
@@ -1329,6 +1332,161 @@ class MEDLoaderTest(unittest.TestCase):
         mm.write(fname,2)       
         pass
 
+    def testBuildInnerBoundaryAlongM1Group3(self):
+        """ Test buildInnerBoundaryAlongM1Group() with *non-connex* cracks """
+        fname = "Pyfile73.med"
+        m = MEDCouplingCMesh.New()
+        m.setCoordsAt(0, DataArrayDouble([0.0,1.1,2.3,3.6,5.0]))
+        m.setCoordsAt(1, DataArrayDouble([0.,1.,2.]))
+        m = m.buildUnstructured(); m.setName("simple")
+        m2 = m.buildDescendingConnectivity()[0]
+        m2.setName(m.getName())
+            
+        # A crack in two non connected parts of the mesh:
+        grpSeg = DataArrayInt([3,19]) ; grpSeg.setName("Grp") 
+
+        mm = MEDFileUMesh.New()
+        mm.setMeshAtLevel(0,m)
+        mm.setMeshAtLevel(-1,m2)
+        mm.setGroupsAtLevel(-1,[grpSeg])
+        nodes, cellsMod, cellsNotMod = mm.buildInnerBoundaryAlongM1Group("Grp")
+        self.assertEqual([1,13],nodes.getValues());
+        self.assertEqual([0,6],cellsMod.getValues());
+        self.assertEqual([1,7],cellsNotMod.getValues());
+        self.assertEqual(17,mm.getNumberOfNodes())
+        self.assertEqual([3,19],mm.getGroupArr(-1,"Grp").getValues())
+        self.assertEqual([22,23],mm.getGroupArr(-1,"Grp_dup").getValues())
+        ref0=[4, 15, 0, 5, 6, 4, 8, 7, 12, 16]
+        ref1=[4, 2, 1, 6, 7, 4, 9, 8, 13, 14]
+        self.assertEqual(ref0,mm.getMeshAtLevel(0)[[0,6]].getNodalConnectivity().getValues())
+        self.assertEqual(ref1,mm.getMeshAtLevel(0)[[1,7]].getNodalConnectivity().getValues())
+        self.assertRaises(InterpKernelException,mm.getGroup(-1,"Grp_dup").checkGeoEquivalWith,mm.getGroup(-1,"Grp"),2,1e-12);# Grp_dup and Grp are not equal considering connectivity only
+        mm.getGroup(-1,"Grp_dup").checkGeoEquivalWith(mm.getGroup(-1,"Grp"),12,1e-12)# Grp_dup and Grp are equal considering connectivity and coordinates
+
+        refValues=DataArrayDouble([1.1, 1.2, 1.3, 1.4, 1.1, 1.2, 1.3, 1.4])
+        valsToTest=mm.getMeshAtLevel(0).getMeasureField(True).getArray() ; delta=(valsToTest-refValues) ; delta.abs()
+        self.assertTrue(delta.getMaxValue()[0]<1e-10)
+        #
+        mm.getCoords()[-len(nodes):]+=[0.,-0.3]
+        self.assertRaises(InterpKernelException,mm.getGroup(-1,"Grp_dup").checkGeoEquivalWith,mm.getGroup(-1,"Grp"),12,1e-12);
+        refValues2=refValues[:] ; refValues2[0] = 1.265; refValues2[6] = 1.105
+        valsToTest=mm.getMeshAtLevel(0).getMeasureField(True).getArray() ;     delta=(valsToTest-refValues2) ; delta.abs()
+        self.assertTrue(delta.getMaxValue()[0]<1e-12)
+        mm.write(fname,2)   
+
+    def testBuildInnerBoundaryAlongM1Group4(self):
+        """ Test case where cells touch the M1 group on some nodes only and not on full egdes (triangle mesh for ex)
+        """
+        coo = DataArrayDouble([0.,0., 1.,0., 2.,0., 3.,0.,
+                               0.,1., 1.,1., 2.,1., 3.,1.,
+                               0.,2., 1.,2., 2.,2., 3.,2.], 12, 2)
+        conn = [3,0,4,1,  3,1,4,5,
+                3,5,9,10, 3,5,10,6,
+                3,2,6,7,  3,2,7,3,
+                3,4,8,9,  3,4,9,5,
+                3,1,5,6,  3,1,6,2,
+                3,6,10,11,3,6,11,7]
+        # Only TRI3:
+        connI = DataArrayInt()
+        connI.alloc(13, 1); connI.iota(); connI *= 4
+        m2 = MEDCouplingUMesh("2D", 2)
+        m2.setCoords(coo)
+        m2.setConnectivity(DataArrayInt(conn), connI)
+        m2.checkConsistency()
+        m1, _, _, _, _ = m2.buildDescendingConnectivity()
+        grpIds = DataArrayInt([9,11]); grpIds.setName("group")
+        grpIds2 = DataArrayInt([0,1]); grpIds2.setName("group2")
+        mfu = MEDFileUMesh()
+        mfu.setMeshAtLevel(0, m2)
+        mfu.setMeshAtLevel(-1, m1)
+        mfu.setGroupsAtLevel(-1, [grpIds, grpIds2])
+        nNod = m2.getNumberOfNodes()
+        nodesDup, cells1, cells2 = mfu.buildInnerBoundaryAlongM1Group("group")
+        m2_bis = mfu.getMeshAtLevel(0)
+        m2_bis.checkConsistency()
+        m1_bis = mfu.getMeshAtLevel(-1)
+        m1_bis.checkConsistency()
+        self.assertEqual(nNod+2, mfu.getNumberOfNodes())
+        self.assertEqual(nNod+2, m2_bis.getNumberOfNodes())
+        self.assertEqual(nNod+2, m1_bis.getNumberOfNodes())
+        self.assertEqual([6,7], nodesDup.getValues())
+        self.assertEqual([2.,1., 3.,1.], m2_bis.getCoords()[nNod:].getValues())
+        self.assertEqual(set([3,10,11]), set(cells1.getValues()))
+        self.assertEqual(set([8,9,4,5]), set(cells2.getValues()))
+        self.assertEqual([9,11],mfu.getGroupArr(-1,"group").getValues())
+        self.assertEqual([23,24],mfu.getGroupArr(-1,"group_dup").getValues())
+        self.assertEqual([0,1],mfu.getGroupArr(-1,"group2").getValues())
+#         mfu.getMeshAtLevel(0).writeVTK("/tmp/mfu_M0.vtu")
+        ref0 =[3, 5, 10, 12, 3, 12, 10, 11, 3, 12, 11, 13]
+        ref1 =[3, 2, 6, 7, 3, 2, 7, 3, 3, 1, 5, 6, 3, 1, 6, 2]
+        self.assertEqual(ref0,mfu.getMeshAtLevel(0)[[3,10,11]].getNodalConnectivity().getValues())
+        self.assertEqual(ref1,mfu.getMeshAtLevel(0)[[4,5,8,9]].getNodalConnectivity().getValues())
+        self.assertRaises(InterpKernelException,mfu.getGroup(-1,"group_dup").checkGeoEquivalWith,mfu.getGroup(-1,"group"),2,1e-12) # Grp_dup and Grp are not equal considering connectivity only
+        mfu.getGroup(-1,"group_dup").checkGeoEquivalWith(mfu.getGroup(-1,"group"),12,1e-12)# Grp_dup and Grp are equal considering connectivity and coordinates
+        m_bis0 = mfu.getMeshAtLevel(-1)
+        m_desc, _, _, _, _ = m_bis0.buildDescendingConnectivity()
+        m_bis0.checkDeepEquivalOnSameNodesWith(mfu.getMeshAtLevel(-1), 2, 9.9999999)
+
+    def testBuildInnerBoundary5(self):
+        """ Full 3D test with tetras only. In this case a tri from the group is not duplicated because it is made only
+        of non duplicated nodes. The tri in question is hence not part of the final new "dup" group. """
+        coo = DataArrayDouble([200.0, 200.0, 0.0, 200.0, 200.0, 200.0, 200.0, 0.0, 200.0, 200.0, 0.0, 0.0, 0.0, 200.0, 0.0, 0.0, 200.0, 200.0, 0.0, 0.0, 0.0, 0.0, 0.0, 
+        200.0, 400.0, 200.0, 0.0, 400.0, 200.0, 200.0, 400.0, 0.0, 0.0, 400.0, 0.0, 200.0, 0.0, 100.00000000000016, 200.0, 63.15203310314546, 200.0, 200.0, 134.45205700643342,
+         200.0, 200.0, 200.0, 100.00000000000016, 200.0, 63.15203310314546, 0.0, 200.0, 134.45205700643342, 0.0, 200.0, 0.0, 100.00000000000016, 0.0, 63.15203310314546, 
+         200.0, 0.0, 134.45205700643342, 200.0, 0.0, 200.0, 100.00000000000016, 0.0, 63.15203310314546, 0.0, 0.0, 134.45205700643342, 0.0, 0.0, 200.0, 200.0, 100.02130053568538, 
+         0.0, 200.0, 100.00938163175135, 200.0, 0.0, 100.02130053568538, 0.0, 0.0, 100.00938163175135, 299.3058739933347, 200.0, 200.0, 400.0, 98.68100542924483, 
+         200.0, 302.8923433403344, 0.0, 200.0, 302.8923433403344, 200.0, 0.0, 400.0, 100.00000000000016, 0.0, 302.8923433403344, 0.0, 0.0, 400.0, 200.0, 98.55126825835082, 
+         400.0, 0.0, 100.02162286181577, 99.31624553977466, 99.99999998882231, 200.0, 99.31624576683302, 100.00000010178034, 0.0, 99.31624560596512, 200.0, 100.0050761312483,
+         99.31624560612883, 0.0, 100.00507613125338, 200.0, 99.99999995813045, 100.00950673487786, 0.0, 99.99999989928207, 100.0041870621175, 301.29063354383015, 
+         100.0000000093269, 0.0, 301.29063360689975, 0.0, 100.00957769061164, 140.52853868782435, 99.99999963972768, 100.00509135751312, 297.87779091770784, 
+         97.16750463405486, 97.18018457127863], 46, 3)
+        c0 = [14, 45, 31, 21, 42, 14, 37, 38, 20, 44, 14, 39, 36, 41, 44, 14, 5, 25, 12, 13, 14, 38, 36, 44, 41, 14, 21, 20, 24, 44, 14, 38, 25, 41, 19, 14, 37, 38, 44, 41, 14, 16, 27,
+         39, 41, 14, 21, 45, 26, 40, 14, 39, 37, 44, 41, 14, 14, 15, 24, 44, 14, 25, 38, 41, 13, 14, 27, 18, 6, 22, 14, 38, 36, 41, 13, 14, 44, 14, 15, 36, 14, 44, 23, 39, 26, 14,
+         21,26, 23, 44, 14, 38, 44, 14, 24, 14, 39, 37, 41, 22, 14, 21, 33, 45, 42, 14, 27, 22, 39, 41, 14, 23, 26, 21, 3, 14, 27, 18, 22, 41, 14, 39, 36, 44, 17, 14, 21, 26, 44, 40,
+         14, 39, 37, 22, 23, 14, 37, 38, 41, 19, 14, 25, 12, 13, 41, 14, 30, 26, 43, 45, 14, 38, 36, 13, 14, 14, 12, 36, 13, 41, 14, 20, 44, 21, 37, 14, 16, 36, 12, 41, 14, 39, 36,
+         17, 16, 14, 44, 20, 24, 38, 14, 27, 16, 12, 41, 14, 26, 15, 17, 44, 14, 19, 18, 41, 37, 14, 40, 45, 26, 15, 14, 37, 38, 19, 20, 14, 17, 15, 26, 2, 14, 39, 36, 16, 41, 14,
+         24, 21, 44, 40, 14, 16, 7, 27, 12, 14, 22, 18, 37, 41, 14, 21, 31, 45, 24, 14, 44, 40, 15, 24, 14, 24, 45, 15, 28, 14, 44, 40, 26, 15, 14, 24, 20, 21, 0, 14, 38, 36, 14,
+         44, 14, 39, 37, 23, 44, 14, 45, 31, 42, 32, 14, 25, 18, 19, 4, 14, 36, 44, 17, 15, 14, 25, 19, 18, 41, 14, 24, 15, 14, 1, 14, 45, 24, 34, 28, 14, 35, 45, 30, 43, 14, 17,
+         44, 39, 26, 14, 44, 23, 21, 37, 14, 30, 45, 29, 15, 14, 45, 35, 33, 43, 14, 30, 15, 26, 45, 14, 31, 21, 0, 24, 14, 33, 35, 32, 10, 14, 29, 45, 34, 28, 14, 32, 45, 34,
+         29, 14, 45, 31, 32, 34, 14, 33, 26, 45, 43, 14, 45, 31, 34, 24, 14, 33, 26, 21, 45, 14, 11, 30, 35, 29, 14, 33, 35, 45, 32, 14, 33, 45, 42, 32, 14, 32, 8, 34, 31, 14,
+         21, 26, 33, 3, 14, 35, 45, 32, 29, 14, 29, 34, 9, 28, 14, 15, 45, 24, 40, 14, 29, 45, 28, 15, 14, 21, 24, 45, 40, 14, 24, 15, 1, 28, 14, 35, 45, 29, 30, 14, 26, 15,
+         30, 2]
+        cI0 = [0, 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100, 105, 110, 115, 120, 125, 130, 135, 140, 145, 150, 155, 160, 165, 170, 175, 180, 185,
+         190, 195, 200, 205, 210, 215, 220, 225, 230, 235, 240, 245, 250, 255, 260, 265, 270, 275, 280, 285, 290, 295, 300, 305, 310, 315, 320, 325, 330, 335, 340, 345, 350, 355, 
+         360, 365, 370, 375, 380, 385, 390, 395, 400, 405, 410, 415, 420, 425, 430]
+        m3 = MEDCouplingUMesh("3D", 3)
+        m3.setCoords(coo)
+        m3.setConnectivity(DataArrayInt(c0), DataArrayInt(cI0))
+        m3.checkConsistency()
+        m2, _, _, _, _ = m3.buildDescendingConnectivity()
+        grpIds = DataArrayInt([36,74]); grpIds.setName("group")
+        mfu = MEDFileUMesh()
+        mfu.setMeshAtLevel(0, m3)
+        mfu.setMeshAtLevel(-1, m2)
+        grpIds3D = DataArrayInt([0,1]); grpIds3D.setName("group_3d")
+        mfu.setGroupsAtLevel(0, [grpIds3D])  # just to check preservation of 3D group
+        mfu.setGroupsAtLevel(-1, [grpIds])
+        nNod = m3.getNumberOfNodes()
+        nodesDup, cells1, cells2 = mfu.buildInnerBoundaryAlongM1Group("group")
+        m3_bis = mfu.getMeshAtLevel(0)
+        m3_bis.checkConsistency()
+        m2_bis = mfu.getMeshAtLevel(-1)
+        m2_bis.checkConsistency()
+        self.assertEqual(nNod+1, mfu.getNumberOfNodes())
+        self.assertEqual(nNod+1, m3_bis.getNumberOfNodes())
+        self.assertEqual(nNod+1, m2_bis.getNumberOfNodes())
+        self.assertEqual([3], nodesDup.getValues())
+        self.assertEqual(m3_bis.getCoords()[3].getValues(), m3_bis.getCoords()[nNod:].getValues())
+        self.assertEqual(set([22]), set(cells1.getValues()))
+        self.assertEqual(set([77]), set(cells2.getValues()))
+        self.assertEqual([36,74],mfu.getGroupArr(-1,"group").getValues())
+        self.assertEqual([0,1],mfu.getGroupArr(0,"group_3d").getValues())
+        self.assertEqual([213],mfu.getGroupArr(-1,"group_dup").getValues())  # here only one cell has been duplicated
+        m_bis0 = mfu.getMeshAtLevel(-1)
+        m_desc, _, _, _, _ = m_bis0.buildDescendingConnectivity()
+        m_bis0.checkDeepEquivalOnSameNodesWith(mfu.getMeshAtLevel(-1), 2, 9.9999999)
+        pass
+
     def testBasicConstructors(self):
         fname="Pyfile18.med"
         m=MEDFileMesh.New(fname)
@@ -1389,8 +1547,8 @@ class MEDLoaderTest(unittest.TestCase):
         fread=ff2.getFieldOnMeshAtLevel(ON_CELLS,0,mm)
         fread2=ff2.getFieldAtLevel(ON_CELLS,0)
         #
-        fread.checkCoherency()
-        fread2.checkCoherency()
+        fread.checkConsistencyLight()
+        fread2.checkConsistencyLight()
         self.assertTrue(fread.isEqual(f1,1e-12,1e-12))
         self.assertTrue(fread2.isEqual(f1,1e-12,1e-12))
         pass
@@ -1499,7 +1657,7 @@ class MEDLoaderTest(unittest.TestCase):
         
         tr=[[0.,4.],[2.,4.],[4.,4.],[6.,4.],[8.,4.],[10.,4.],[12.,4.],[14.,4.],[16.,4.],[18.,4.],[20.,4.],[0.,0.],[2.,0.], [0.,2.],[2.,2.],[4.,2.],[6.,2.],[8.,2.],[10.,2.],[12.,2.]]
         ms=11*[mT3]+2*[mQ4]+7*[mQ8]
-        ms[:]=(elt.deepCpy() for elt in ms)
+        ms[:]=(elt.deepCopy() for elt in ms)
         for m,t in zip(ms,tr):
             d=m.getCoords() ; d+= t
             pass
@@ -1514,12 +1672,12 @@ class MEDLoaderTest(unittest.TestCase):
         da=DataArrayDouble(34) ; da.iota(3.)
         f.setArray(da)
         f.setName("fieldCellOnPflWithoutPfl")
-        fInvalid=f.deepCpy()
+        fInvalid=f.deepCopy()
         f.setGaussLocalizationOnCells([0,1,2,3,4,5,6,7,8],[0.,0.,1.,0.,1.,1.],[0.3,0.3,0.7,0.7],[0.8,0.2])
         f.setGaussLocalizationOnCells([9,10],[0.,0.,1.,0.,1.,1.],[0.3,0.3,0.7,0.7,0.8,0.8],[0.8,0.07,0.13])
         f.setGaussLocalizationOnCells([11,12],[0.,0.,1.,0.,1.,1.,0.,1.],[0.3,0.3,0.7,0.7,0.8,0.8,0.8,0.8,0.8,0.8],[0.8,0.07,0.1,0.01,0.02])
-        f.checkCoherency()
-        fInvalid2=fInvalid.deepCpy()
+        f.checkConsistencyLight()
+        fInvalid2=fInvalid.deepCopy()
         fInvalid2.getDiscretization().setArrayOfDiscIds(f.getDiscretization().getArrayOfDiscIds())
         #
         mm=MEDFileUMesh()
@@ -1548,12 +1706,12 @@ class MEDLoaderTest(unittest.TestCase):
         f1tsRead.getFieldOnMeshAtLevel(ON_GAUSS_PT,0,mRead)
         f2=f1tsRead.getFieldOnMeshAtLevel(ON_GAUSS_PT,0,mRead)
         self.assertTrue(f.isEqual(f2,1e-12,1e-12))
-        f2_bis=MEDLoader.ReadFieldGauss(fname,m.getName(),0,f.getName(),f.getTime()[1],f.getTime()[2])
-        f2_bis.checkCoherency()
+        f2_bis=ReadFieldGauss(fname,m.getName(),0,f.getName(),f.getTime()[1],f.getTime()[2])
+        f2_bis.checkConsistencyLight()
         self.assertTrue(f.isEqual(f2_bis,1e-12,1e-12))
         #
-        MEDLoader.WriteField(fname2,f,True)
-        f2_ter=MEDLoader.ReadFieldGauss(fname2,m.getName(),0,f.getName(),f.getTime()[1],f.getTime()[2])
+        WriteField(fname2,f,True)
+        f2_ter=ReadFieldGauss(fname2,m.getName(),0,f.getName(),f.getTime()[1],f.getTime()[2])
         self.assertTrue(f.isEqual(f2_ter,1e-12,1e-12))
         ## Use case 2 : Pfl on part tri3 with 2 disc and on part quad8 with 1 disc
         f=MEDCouplingFieldDouble.New(ON_GAUSS_PT,ONE_TIME)
@@ -1567,7 +1725,7 @@ class MEDLoaderTest(unittest.TestCase):
         f.setGaussLocalizationOnCells([0,1,3],[0.,0.,1.,0.,1.,1.],[0.3,0.3,0.7,0.7],[0.8,0.2])
         f.setGaussLocalizationOnCells([2,4,5],[0.,0.,1.,0.,1.,1.],[0.3,0.3,0.7,0.7,0.8,0.8],[0.8,0.07,0.13])
         f.setGaussLocalizationOnCells([6,7,8,9],[0.,0.,1.,0.,1.,1.,0.,1.,0.5,0.,1.,0.5,0.5,1.,0.,0.5],[0.3,0.3,0.7,0.7,0.8,0.8,0.8,0.8,0.8,0.8],[0.8,0.07,0.1,0.01,0.02])
-        f.checkCoherency()
+        f.checkConsistencyLight()
         #
         mm=MEDFileUMesh()
         mm.setMeshAtLevel(0,m)
@@ -1586,12 +1744,12 @@ class MEDLoaderTest(unittest.TestCase):
         f3=f1tsRead.getFieldOnMeshAtLevel(ON_GAUSS_PT,0,mRead)
         f3.renumberCells([0,1,3,2,4,5,6,7,8,9])
         self.assertTrue(f.isEqual(f3,1e-12,1e-12))
-        f3_bis=MEDLoader.ReadFieldGauss(fname,m.getName(),0,f.getName(),f.getTime()[1],f.getTime()[2])
+        f3_bis=ReadFieldGauss(fname,m.getName(),0,f.getName(),f.getTime()[1],f.getTime()[2])
         f3_bis.renumberCells([0,1,3,2,4,5,6,7,8,9])
         self.assertTrue(f.isEqual(f3_bis,1e-12,1e-12))
         #
-        MEDLoader.WriteField(fname2,f,True)
-        f3_ter=MEDLoader.ReadFieldGauss(fname2,m.getName(),0,f.getName(),f.getTime()[1],f.getTime()[2])
+        WriteField(fname2,f,True)
+        f3_ter=ReadFieldGauss(fname2,m.getName(),0,f.getName(),f.getTime()[1],f.getTime()[2])
         f3_ter.renumberCells([0,1,3,2,4,5,6,7,8,9])
         self.assertTrue(f.isEqual(f3_ter,1e-12,1e-12))
         ## Use case 3 : no pfl but creation of pfls due to gauss pts
@@ -1606,7 +1764,7 @@ class MEDLoaderTest(unittest.TestCase):
         f.setGaussLocalizationOnCells([11,12],[0.,0.,1.,0.,1.,1.,0.,1.],[0.3,0.3,0.7,0.7,0.8,0.8,0.8,0.8,0.8,0.8],[0.8,0.07,0.1,0.01,0.02])
         f.setGaussLocalizationOnCells([13,14,15,17,18],[0.,0.,1.,0.,1.,1.,0.,1.,0.5,0.,1.,0.5,0.5,1.,0.,0.5],[0.3,0.3,0.7,0.7,0.8,0.8,0.8,0.8],[0.8,0.1,0.03,0.07])
         f.setGaussLocalizationOnCells([16,19],[0.,0.,1.,0.,1.,1.,0.,1.,0.5,0.,1.,0.5,0.5,1.,0.,0.5],[0.3,0.3,0.7,0.7,0.8,0.8],[0.8,0.1,0.1])
-        f.checkCoherency()
+        f.checkConsistencyLight()
         mm=MEDFileUMesh()
         mm.setMeshAtLevel(0,m) 
         f1ts=MEDFileField1TS.New()
@@ -1625,12 +1783,12 @@ class MEDLoaderTest(unittest.TestCase):
         f3=f1tsRead.getFieldOnMeshAtLevel(ON_GAUSS_PT,0,mRead)
         f3.renumberCells([0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,17,18,16,19])
         self.assertTrue(f.isEqual(f3,1e-12,1e-12))
-        f3_bis=MEDLoader.ReadFieldGauss(fname,m.getName(),0,f.getName(),f.getTime()[1],f.getTime()[2])
+        f3_bis=ReadFieldGauss(fname,m.getName(),0,f.getName(),f.getTime()[1],f.getTime()[2])
         f3_bis.renumberCells([0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,17,18,16,19])
         self.assertTrue(f.isEqual(f3_bis,1e-12,1e-12))
         #
-        MEDLoader.WriteField(fname2,f,True)
-        f3_ter=MEDLoader.ReadFieldGauss(fname2,m.getName(),0,f.getName(),f.getTime()[1],f.getTime()[2])
+        WriteField(fname2,f,True)
+        f3_ter=ReadFieldGauss(fname2,m.getName(),0,f.getName(),f.getTime()[1],f.getTime()[2])
         f3_ter.renumberCells([0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,17,18,16,19])
         self.assertTrue(f.isEqual(f3_ter,1e-12,1e-12))
         pass
@@ -1684,36 +1842,36 @@ class MEDLoaderTest(unittest.TestCase):
         ## Reading from file
         m=MEDFileMesh.New(fname)
         m0=m.getMeshAtLevel(0)
-        m00=m0.deepCpy() ; m00=m00[[0,2]] ; m00.setName(m.getName()) ; m00.zipCoords()
+        m00=m0.deepCopy() ; m00=m00[[0,2]] ; m00.setName(m.getName()) ; m00.zipCoords()
         fieldNode0.setMesh(m00)
         f0=MEDFileField1TS.New(fname,fieldNode0.getName(),dt,it)
         ff0_1=f0.getFieldOnMeshAtLevel(ON_NODES,m0)
-        ff0_1.checkCoherency()
+        ff0_1.checkConsistencyLight()
         self.assertTrue(ff0_1.isEqual(fieldNode0,1e-12,1e-12))
         ff0_2=f0.getFieldAtLevel(ON_NODES,0)
-        ff0_2.checkCoherency()
+        ff0_2.checkConsistencyLight()
         self.assertTrue(ff0_2.isEqual(fieldNode0,1e-12,1e-12))
         ff0_3=f0.getFieldOnMeshAtLevel(ON_NODES,0,m)
-        ff0_3.checkCoherency()
+        ff0_3.checkConsistencyLight()
         self.assertTrue(ff0_3.isEqual(fieldNode0,1e-12,1e-12))
-        ff0_4=MEDLoader.ReadFieldNode(fname,m.getName(),0,fieldNode0.getName(),dt,it)
-        ff0_4.checkCoherency()
+        ff0_4=ReadFieldNode(fname,m.getName(),0,fieldNode0.getName(),dt,it)
+        ff0_4.checkConsistencyLight()
         self.assertTrue(ff0_4.isEqual(fieldNode0,1e-12,1e-12))
         f1=MEDFileField1TS.New(fname,fieldNode1.getName(),dt,it)
         m1=m.getMeshAtLevel(-1)
-        m10=m1.deepCpy() ; m10=m10[[0,1,2,3,4,5,6,7]] ; m10.setName(m.getName()) ; m10.zipCoords()
+        m10=m1.deepCopy() ; m10=m10[[0,1,2,3,4,5,6,7]] ; m10.setName(m.getName()) ; m10.zipCoords()
         fieldNode1.setMesh(m10)
         ff1_1=f1.getFieldOnMeshAtLevel(ON_NODES,m1)
-        ff1_1.checkCoherency()
+        ff1_1.checkConsistencyLight()
         self.assertTrue(ff1_1.isEqual(fieldNode1,1e-12,1e-12))
         ff1_2=f1.getFieldAtLevel(ON_NODES,-1)
-        ff1_2.checkCoherency()
+        ff1_2.checkConsistencyLight()
         self.assertTrue(ff1_2.isEqual(fieldNode1,1e-12,1e-12))
         ff1_3=f1.getFieldOnMeshAtLevel(ON_NODES,-1,m)
-        ff1_3.checkCoherency()
+        ff1_3.checkConsistencyLight()
         self.assertTrue(ff1_3.isEqual(fieldNode1,1e-12,1e-12))
-        ff1_4=MEDLoader.ReadFieldNode(fname,m.getName(),-1,fieldNode1.getName(),dt,it)
-        ff1_4.checkCoherency()
+        ff1_4=ReadFieldNode(fname,m.getName(),-1,fieldNode1.getName(),dt,it)
+        ff1_4.checkConsistencyLight()
         self.assertTrue(ff1_4.getMesh().isEqual(m10,1e-12))
         self.assertRaises(InterpKernelException,f1.getFieldOnMeshAtLevel,ON_NODES,m0) # error because impossible to build a sub mesh at level 0 lying on nodes [0,1,2,3,4,5,6]
         self.assertRaises(InterpKernelException,f1.getFieldAtLevel,ON_NODES,0) # error because impossible to build a sub mesh at level 0 lying on nodes [0,1,2,3,4,5,6]
@@ -1774,36 +1932,36 @@ class MEDLoaderTest(unittest.TestCase):
         ## Reading from file
         m=MEDFileMesh.New(fname)
         m0=m.getMeshAtLevel(0)
-        m00=m0.deepCpy() ; m00=m00[pfl0] ; m00.setName(m.getName())
+        m00=m0.deepCopy() ; m00=m00[pfl0] ; m00.setName(m.getName())
         fieldCell0.setMesh(m00)
         f0=MEDFileField1TS.New(fname,fieldCell0.getName(),dt,it)
         ff0_1=f0.getFieldOnMeshAtLevel(ON_CELLS,m0)
-        ff0_1.checkCoherency()
+        ff0_1.checkConsistencyLight()
         self.assertTrue(ff0_1.isEqual(fieldCell0,1e-12,1e-12))
         ff0_2=f0.getFieldAtLevel(ON_CELLS,0)
-        ff0_2.checkCoherency()
+        ff0_2.checkConsistencyLight()
         self.assertTrue(ff0_2.isEqual(fieldCell0,1e-12,1e-12))
         ff0_3=f0.getFieldOnMeshAtLevel(ON_CELLS,0,m)
-        ff0_3.checkCoherency()
+        ff0_3.checkConsistencyLight()
         self.assertTrue(ff0_3.isEqual(fieldCell0,1e-12,1e-12))
-        ff0_4=MEDLoader.ReadFieldCell(fname,m.getName(),0,fieldCell0.getName(),dt,it)
-        ff0_4.checkCoherency()
+        ff0_4=ReadFieldCell(fname,m.getName(),0,fieldCell0.getName(),dt,it)
+        ff0_4.checkConsistencyLight()
         self.assertTrue(ff0_4.isEqual(fieldCell0,1e-12,1e-12))
         f1=MEDFileField1TS.New(fname,fieldCell1.getName(),dt,it)
         m1=m.getMeshAtLevel(-1)
-        m10=m1.deepCpy() ; m10=m10[pfl1] ; m10.setName(m.getName())
+        m10=m1.deepCopy() ; m10=m10[pfl1] ; m10.setName(m.getName())
         fieldCell1.setMesh(m10)
         ff1_1=f1.getFieldOnMeshAtLevel(ON_CELLS,m1)
-        ff1_1.checkCoherency()
+        ff1_1.checkConsistencyLight()
         self.assertTrue(ff1_1.isEqual(fieldCell1,1e-12,1e-12))
         ff1_2=f1.getFieldAtLevel(ON_CELLS,-1)
-        ff1_2.checkCoherency()
+        ff1_2.checkConsistencyLight()
         self.assertTrue(ff1_2.isEqual(fieldCell1,1e-12,1e-12))
         ff1_3=f1.getFieldOnMeshAtLevel(ON_CELLS,-1,m)
-        ff1_3.checkCoherency()
+        ff1_3.checkConsistencyLight()
         self.assertTrue(ff1_3.isEqual(fieldCell1,1e-12,1e-12))
-        ff1_4=MEDLoader.ReadFieldCell(fname,m.getName(),-1,fieldCell1.getName(),dt,it)
-        ff1_4.checkCoherency()
+        ff1_4=ReadFieldCell(fname,m.getName(),-1,fieldCell1.getName(),dt,it)
+        ff1_4.checkConsistencyLight()
         self.assertTrue(ff1_4.getMesh().isEqual(m10,1e-12))
         self.assertRaises(InterpKernelException,f1.getFieldOnMeshAtLevel,ON_CELLS,m0) # error because impossible to build a sub mesh at level 0 lying on cells [0,1,2,3,4,5,6]
         self.assertRaises(InterpKernelException,f1.getFieldAtLevel,ON_CELLS,0) # error because impossible to build a sub mesh at level 0 lying on cells [0,1,2,3,4,5,6]
@@ -1852,7 +2010,7 @@ class MEDLoaderTest(unittest.TestCase):
         m1.setCoords(coo) ; m.setMeshAtLevel(-1,m1)
         m2.setCoords(coo) ; m.setMeshAtLevel(-2,m2)
         #
-        mm=m.deepCpy()
+        mm=m.deepCopy()
         famCoo=DataArrayInt([0,2,0,3,2,0,-1,0,0,0,0,-1,3]) ; mm.setFamilyFieldArr(1,famCoo)
         da0=DataArrayInt([0,0,0]) ; mm.setFamilyFieldArr(0,da0)
         da1=DataArrayInt([0,3]) ; mm.setFamilyFieldArr(-1,da1)
@@ -1923,7 +2081,7 @@ class MEDLoaderTest(unittest.TestCase):
         m1.setCoords(coo) ; m.setMeshAtLevel(-1,m1)
         m2.setCoords(coo) ; m.setMeshAtLevel(-2,m2)
         #
-        mm=m.deepCpy()
+        mm=m.deepCopy()
         famCoo=DataArrayInt([0,2,0,3,2,0,-1,0,0,0,0,-1,3]) ; mm.setFamilyFieldArr(0,famCoo)
         da0=DataArrayInt([0,0,0]) ; mm.setFamilyFieldArr(1,da0)
         da1=DataArrayInt([0,3]) ; mm.setFamilyFieldArr(-1,da1)
@@ -1990,25 +2148,25 @@ class MEDLoaderTest(unittest.TestCase):
         #
         mm=MEDFileUMesh()
         mm.setMeshAtLevel(0,m)
-        self.assertIn(mm.getHeapMemorySize(),xrange(3889-100,3889+100+10*strMulFac))
+        self.assertIn(mm.getHeapMemorySize(),xrange(3889-100,4225+100+10*strMulFac))
         ff=MEDFileField1TS()
         ff.setFieldNoProfileSBT(f)
-        self.assertIn(ff.getHeapMemorySize(),xrange(771-40,771+21+(4+1)*strMulFac))
+        self.assertIn(ff.getHeapMemorySize(),xrange(771-40,871+21+(4+1)*strMulFac))
         #
         fff=MEDFileFieldMultiTS()
         fff.appendFieldNoProfileSBT(f)
-        self.assertIn(fff.getHeapMemorySize(),xrange(815-50,815+30+(6+2)*strMulFac))
+        self.assertIn(fff.getHeapMemorySize(),xrange(815-50,915+30+(6+2)*strMulFac))
         f.setTime(1.,0,-1)
         fff.appendFieldNoProfileSBT(f)
-        self.assertIn(fff.getHeapMemorySize(),xrange(1594-90,1594+50+(10+1)*strMulFac))
-        self.assertIn(fff[0,-1].getHeapMemorySize(),xrange(771-40,771+20+(4+1)*strMulFac))
+        self.assertIn(fff.getHeapMemorySize(),xrange(1594-90,1794+50+(10+1)*strMulFac))
+        self.assertIn(fff[0,-1].getHeapMemorySize(),xrange(771-40,871+20+(4+1)*strMulFac))
         f2=f[:50]
         f2.setTime(2.,1,-1)
         pfl=DataArrayInt.Range(0,50,1) ; pfl.setName("pfl")
         fff.appendFieldProfile(f2,mm,0,pfl)
-        self.assertIn(fff.getHeapMemorySize(),xrange(2348-130,2348+100+(10+2)*strMulFac))
+        self.assertIn(fff.getHeapMemorySize(),xrange(2348-130,2608+100+(10+2)*strMulFac))
         self.assertIn(fff.getProfile("pfl").getHeapMemorySize(),xrange(204-10,204+10+2*strMulFac))
-        self.assertIn(fff[1,-1].getHeapMemorySize(),xrange(738-50,738+30+4*strMulFac))
+        self.assertIn(fff[1,-1].getHeapMemorySize(),xrange(738-50,838+30+4*strMulFac))
         pass
 
     def testCurveLinearMesh1(self):
@@ -2022,7 +2180,7 @@ class MEDLoaderTest(unittest.TestCase):
         a1.iota(7.) ; a1.rearrange(3);
         mesh.setCoords(a1);
         mesh.setNodeGridStructure([4,5]);
-        mesh.checkCoherency();
+        mesh.checkConsistencyLight();
         #
         m=MEDFileCurveLinearMesh()
         m.setMesh(mesh)
@@ -2063,15 +2221,15 @@ class MEDLoaderTest(unittest.TestCase):
         pts.setName("A") ; pts.setDescription("An example of parameter") ; pts.setTimeUnit("ms")
         pts.appendValue(1,2,3.4,567.89)
         pts.appendValue(2,3,5.6,999.123)
-        pts2=pts.deepCpy() ; pts2.setName("B") ; pts2.setDescription("A second example")
+        pts2=pts.deepCopy() ; pts2.setName("B") ; pts2.setDescription("A second example")
         p.pushParam(pts) ; p.pushParam(pts2)
         data.write(fname,2)
         p2=MEDFileParameters(fname)
         self.assertTrue(p.isEqual(p2,1e-14)[0])
         self.assertAlmostEqual(p[1][1,2].getValue(),567.89,13)
-        p3=p.deepCpy()
-        pts4=pts2.deepCpy()
-        pts3=pts2.deepCpy()
+        p3=p.deepCopy()
+        pts4=pts2.deepCopy()
+        pts3=pts2.deepCopy()
         self.assertTrue(pts3.isEqual(pts2,1e-14)[0])
         pts2.eraseTimeStepIds([0])
         self.assertTrue(not pts3.isEqual(pts2,1e-14)[0])
@@ -2118,10 +2276,10 @@ class MEDLoaderTest(unittest.TestCase):
         namesCellL0=DataArrayAsciiChar(6,16)
         namesCellL0[:]=["CellL0#%.3d      "%(i) for i in xrange(6)]
         mm.setNameFieldAtLevel(0,namesCellL0)
-        namesCellL1=DataArrayAsciiChar.Aggregate([namesCellL0,namesCellL0,namesCellL0.substr(2)])
+        namesCellL1=DataArrayAsciiChar.Aggregate([namesCellL0,namesCellL0,namesCellL0.subArray(2)])
         namesCellL1[:]=["CellLM1#%.3d     "%(i) for i in xrange(16)]
         mm.setNameFieldAtLevel(-1,namesCellL1)
-        namesNodes=namesCellL1.substr(4,16)
+        namesNodes=namesCellL1.subArray(4,16)
         namesNodes[:]=["Node#%.3d        "%(i) for i in xrange(12)]
         mm.setNameFieldAtLevel(1,namesNodes)
         mm.write(fname,2)
@@ -2135,7 +2293,7 @@ class MEDLoaderTest(unittest.TestCase):
         self.assertTrue(not mm.isEqual(mmr,1e-12)[0])
         mmr.getNameFieldAtLevel(1).setIJ(0,0,'N')
         self.assertTrue(mm.isEqual(mmr,1e-12)[0])
-        mmCpy=mm.deepCpy()
+        mmCpy=mm.deepCopy()
         self.assertTrue(mm.isEqual(mmCpy,1e-12)[0])
         # remove names on nodes
         mmCpy.setNameFieldAtLevel(1,None)
@@ -2166,7 +2324,7 @@ class MEDLoaderTest(unittest.TestCase):
         self.assertTrue(not cc.isEqual(ccr,1e-12)[0])
         ccr.getNameFieldAtLevel(1).setIJ(0,0,'N')
         self.assertTrue(cc.isEqual(ccr,1e-12)[0])
-        ccCpy=cc.deepCpy()
+        ccCpy=cc.deepCopy()
         self.assertTrue(cc.isEqual(ccCpy,1e-12)[0])
         pass
 
@@ -2202,7 +2360,7 @@ class MEDLoaderTest(unittest.TestCase):
         c2.transformWithIndArr(whichGrp)
         splitOfM1=len(grps)*[None]
         for grpId,grp in enumerate(grps):
-            tmp=c2.getIdsEqual(grpId)
+            tmp=c2.findIdsEqual(grpId)
             splitOfM1[grpId]=tmp
             pass
         splitOfM1[0].isEqual(DataArrayInt([0,1,2,3,6,8,10,11,12,13]))
@@ -2400,7 +2558,7 @@ class MEDLoaderTest(unittest.TestCase):
         #
         mm0=MEDFileMesh.New(fileName)
         mm1=MEDFileMesh.New(fileName)
-        groupNamesIni=MEDLoader.GetMeshGroupsNames(fileName,"ma")
+        groupNamesIni=GetMeshGroupsNames(fileName,"ma")
         for name in groupNamesIni:
             mm1.changeGroupName(name,name+'N')
             pass
@@ -2421,8 +2579,7 @@ class MEDLoaderTest(unittest.TestCase):
     def testInt32InMEDFileFieldStar1(self):
         fname="Pyfile63.med"
         f1=MEDLoaderDataForTest.buildVecFieldOnCells_1();
-        arr=f1.getArray().convertToIntArr()
-        f1.setArray(None)
+        f1=f1.convertToIntField()
         m1=f1.getMesh()
         mm1=MEDFileUMesh.New()
         mm1.setCoords(m1.getCoords())
@@ -2430,19 +2587,17 @@ class MEDLoaderTest(unittest.TestCase):
         mm1.setName(m1.getName())
         mm1.write(fname,2)
         ff1=MEDFileIntField1TS()
-        ff1.setFieldNoProfileSBT(f1,arr)
-        a,b=ff1.getFieldOnMeshAtLevel(0,ON_CELLS,mm1)
-        self.assertEqual(b.getInfoOnComponents(),['power [MW/m^3]','density [g/cm^3]','temperature [K]'])
-        self.assertTrue(b.isEqual(arr))
+        ff1.setFieldNoProfileSBT(f1)
+        a=ff1.getFieldOnMeshAtLevel(0,ON_CELLS,mm1)
+        self.assertEqual(a.getArray().getInfoOnComponents(),['power [MW/m^3]','density [g/cm^3]','temperature [K]'])
         self.assertTrue(a.isEqual(f1,1e-12,1e-12))
         ff1.write(fname,0)
         ff2=MEDFileAnyTypeField1TS.New(fname)
         self.assertEqual(ff2.getName(),"VectorFieldOnCells")
         self.assertEqual(ff2.getTime(),[0,1,2.0])
         self.assertTrue(isinstance(ff2,MEDFileIntField1TS))
-        a,b=ff1.getFieldOnMeshAtLevel(0,ON_CELLS,mm1)
-        self.assertEqual(b.getInfoOnComponents(),['power [MW/m^3]','density [g/cm^3]','temperature [K]'])
-        self.assertTrue(b.isEqual(arr))
+        a=ff1.getFieldOnMeshAtLevel(ON_CELLS,0,mm1)
+        self.assertEqual(a.getArray().getInfoOnComponents(),['power [MW/m^3]','density [g/cm^3]','temperature [K]'])
         self.assertTrue(a.isEqual(f1,1e-12,1e-12))
         ff2.setTime(1,2,3.)
         c=ff2.getUndergroundDataArray() ; c*=2
@@ -2451,42 +2606,40 @@ class MEDLoaderTest(unittest.TestCase):
         self.assertEqual(ffs1.getTimeSteps(),[(0, 1, 2.0), (1, 2, 3.0)])
         self.assertEqual(len(ffs1),2)
         self.assertTrue(isinstance(ffs1,MEDFileIntFieldMultiTS))
-        a,b=ffs1[2.].getFieldOnMeshAtLevel(0,ON_CELLS,mm1)
-        self.assertTrue(b.isEqual(arr))
+        a=ffs1[2.].getFieldOnMeshAtLevel(ON_CELLS,0,mm1)
         self.assertTrue(a.isEqual(f1,1e-12,1e-12))
-        a,b=ffs1[2.].getFieldOnMeshAtLevel(0,ON_CELLS,mm1)
-        self.assertTrue(b.isEqual(arr))
+        a=ffs1.getFieldOnMeshAtLevel(ON_CELLS,0,1,0,mm1)
         self.assertTrue(a.isEqual(f1,1e-12,1e-12))
         it=ffs1.__iter__() ; it.next() ; ff2bis=it.next()
-        a,b=ff2bis.getFieldOnMeshAtLevel(0,ON_CELLS,mm1)
-        self.assertTrue(b.isEqual(2*arr))
-        f1.setTime(3.,1,2)
-        self.assertTrue(a.isEqual(f1,1e-12,1e-12))
+        a=ff2bis.getFieldOnMeshAtLevel(0,ON_CELLS,mm1)
+        self.assertTrue(a.getArray().isEqual(2*f1.getArray()))
+        f1.setTime(3.,1,2) ; f1.getArray()[:]*=2
+        self.assertTrue(a.isEqual(f1,1e-12,1e-12)) ; f1.getArray()[:]/=2
         bc=DataArrayInt(6,3) ; bc[:]=0 ; bc.setInfoOnComponents(['power [MW/m^3]','density [g/cm^3]','temperature [K]'])
         for it in ffs1:
-            a,b=it.getFieldOnMeshAtLevel(0,ON_CELLS,mm1)
-            bc+=b
+            a=it.getFieldOnMeshAtLevel(ON_CELLS,0,mm1)
+            bc+=a.getArray()
             pass
-        self.assertTrue(bc.isEqual(3*arr))
-        nf1=MEDCouplingFieldDouble(ON_NODES)
+        self.assertTrue(bc.isEqual(3*f1.getArray()))
+        nf1=MEDCouplingFieldInt(ON_NODES)
         nf1.setTime(9.,10,-1)
         nf1.setMesh(f1.getMesh())
         narr=DataArrayInt(12,2) ; narr.setInfoOnComponents(["aa [u1]","bbbvv [ppp]"]) ; narr[:,0]=range(12) ; narr[:,1]=2*narr[:,0]
-        nf1.setName("VectorFieldOnNodes")
+        nf1.setName("VectorFieldOnNodes") ; nf1.setArray(narr)
         nff1=MEDFileIntField1TS.New()
-        nff1.setFieldNoProfileSBT(nf1,narr)
+        nff1.setFieldNoProfileSBT(nf1)
         self.assertEqual(nff1.getInfo(),('aa [u1]','bbbvv [ppp]'))
         self.assertEqual(nff1.getTime(),[10,-1,9.0])
         nff1.write(fname,0)
         #
-        nf2=MEDCouplingFieldDouble(ON_NODES)
+        nf2=MEDCouplingFieldInt(ON_NODES)
         nf2.setTime(19.,20,-11)
         nf2.setMesh(f1.getMesh())
         narr2=DataArrayInt(8,2) ; narr.setInfoOnComponents(["aapfl [u1]","bbbvvpfl [ppp]"]) ; narr2[:,0]=range(8) ; narr2[:,0]+=10  ; narr2[:,1]=3*narr2[:,0]
-        nf2.setName("VectorFieldOnNodesPfl") ; narr2.setName(nf2.getName())
+        nf2.setName("VectorFieldOnNodesPfl") ; narr2.setName(nf2.getName()) ; nf2.setArray(narr2)
         nff2=MEDFileIntField1TS.New()
         npfl=DataArrayInt([1,2,4,5,6,7,10,11]) ; npfl.setName("npfl")
-        nff2.setFieldProfile(nf2,narr2,mm1,0,npfl)
+        nff2.setFieldProfile(nf2,mm1,0,npfl)
         nff2.getFieldWithProfile(ON_NODES,0,mm1)
         a,b=nff2.getFieldWithProfile(ON_NODES,0,mm1) ; b.setName(npfl.getName())
         self.assertTrue(b.isEqual(npfl))
@@ -2513,8 +2666,8 @@ class MEDLoaderTest(unittest.TestCase):
         self.assertTrue(isinstance(ffs[2],MEDFileFieldMultiTS))
         self.assertTrue(isinstance(ffs[3],MEDFileIntFieldMultiTS))
         #
-        self.assertTrue(fs["VectorFieldOnCells"][0].getUndergroundDataArray().isEqualWithoutConsideringStr(arr))
-        self.assertTrue(fs["VectorFieldOnCells"][1,2].getUndergroundDataArray().isEqualWithoutConsideringStr(2*arr))
+        self.assertTrue(fs["VectorFieldOnCells"][0].getUndergroundDataArray().isEqualWithoutConsideringStr(f1.getArray()))
+        self.assertTrue(fs["VectorFieldOnCells"][1,2].getUndergroundDataArray().isEqualWithoutConsideringStr(2*f1.getArray()))
         self.assertTrue(fs["VectorFieldOnNodesPfl"][0].getUndergroundDataArray().isEqualWithoutConsideringStr(narr2))
         self.assertTrue(fs["VectorFieldOnNodes"][9.].getUndergroundDataArray().isEqualWithoutConsideringStr(narr))
         self.assertTrue(fs["VectorFieldOnNodesDouble"][29.].getUndergroundDataArray().isEqualWithoutConsideringStr(f1.getMesh().getCoords(),1e-12))
@@ -2575,13 +2728,13 @@ class MEDLoaderTest(unittest.TestCase):
         tri=MEDCouplingUMesh("tri",2)
         tri.allocateCells() ; tri.insertNextCell(NORM_TRI3,[0,1,2])
         tri.setCoords(DataArrayDouble([(0.,0.),(0.,1.),(1.,0.)]))
-        tris=[tri.deepCpy() for i in xrange(4)]
+        tris=[tri.deepCopy() for i in xrange(4)]
         for i,elt in enumerate(tris): elt.translate([i,0])
         tris=MEDCouplingUMesh.MergeUMeshes(tris)
         quad=MEDCouplingUMesh("quad",2)
         quad.allocateCells() ; quad.insertNextCell(NORM_QUAD4,[0,1,2,3])
         quad.setCoords(DataArrayDouble([(0.,0.),(0.,1.),(1.,1.),(1.,0.)]))
-        quads=[quad.deepCpy() for i in xrange(5)]
+        quads=[quad.deepCopy() for i in xrange(5)]
         for i,elt in enumerate(quads): elt.translate([5+i,0])
         quads=MEDCouplingUMesh.MergeUMeshes(quads)
         m=MEDCouplingUMesh.MergeUMeshes(tris,quads)
@@ -2610,9 +2763,9 @@ class MEDLoaderTest(unittest.TestCase):
                 pass
             # add a mismatch of nb of compos
             pass
-        fmts0_2=fmts0_0.deepCpy()
-        fmts0_3=fmts0_0.deepCpy()
-        fmts0_4=fmts0_0.deepCpy()
+        fmts0_2=fmts0_0.deepCopy()
+        fmts0_3=fmts0_0.deepCopy()
+        fmts0_4=fmts0_0.deepCopy()
         fmts0_5=fmts0_0.shallowCpy()
         self.assertTrue(len(fmts0_0)==10 and len(fmts0_1)==10 and len(fmts0_2)==10 and len(fmts0_3)==10 and len(fmts0_4)==10 and len(fmts0_5)==10)
         del fmts0_2[::2]
@@ -2653,13 +2806,13 @@ class MEDLoaderTest(unittest.TestCase):
         tri=MEDCouplingUMesh("tri",2)
         tri.allocateCells() ; tri.insertNextCell(NORM_TRI3,[0,1,2])
         tri.setCoords(DataArrayDouble([(0.,0.),(0.,1.),(1.,0.)]))
-        tris=[tri.deepCpy() for i in xrange(4)]
+        tris=[tri.deepCopy() for i in xrange(4)]
         for i,elt in enumerate(tris): elt.translate([i,0])
         tris=MEDCouplingUMesh.MergeUMeshes(tris)
         quad=MEDCouplingUMesh("quad",2)
         quad.allocateCells() ; quad.insertNextCell(NORM_QUAD4,[0,1,2,3])
         quad.setCoords(DataArrayDouble([(0.,0.),(0.,1.),(1.,1.),(1.,0.)]))
-        quads=[quad.deepCpy() for i in xrange(5)]
+        quads=[quad.deepCopy() for i in xrange(5)]
         for i,elt in enumerate(quads): elt.translate([5+i,0])
         quads=MEDCouplingUMesh.MergeUMeshes(quads)
         m=MEDCouplingUMesh.MergeUMeshes(tris,quads)
@@ -2688,9 +2841,9 @@ class MEDLoaderTest(unittest.TestCase):
         fmts0_0.zipPflsNames()
         self.assertEqual(fmts0_0.getPfls(),('pfl_NORM_QUAD4',))
         self.assertTrue(fmts0_1.getProfile("pfl_NORM_QUAD4").isEqual(fmts0_0.getProfile("pfl_NORM_QUAD4")))
-        fmts0_2=fmts0_0.deepCpy()
-        fmts0_3=fmts0_0.deepCpy()
-        fmts0_4=fmts0_0.deepCpy()
+        fmts0_2=fmts0_0.deepCopy()
+        fmts0_3=fmts0_0.deepCopy()
+        fmts0_4=fmts0_0.deepCopy()
         fs0=MEDFileFields()
         fs0.pushField(fmts0_0)
         fmts0_2.setName("2ndField") ; fs0.pushField(fmts0_2)
@@ -2718,13 +2871,13 @@ class MEDLoaderTest(unittest.TestCase):
         tri=MEDCouplingUMesh("tri",2)
         tri.allocateCells() ; tri.insertNextCell(NORM_TRI3,[0,1,2])
         tri.setCoords(DataArrayDouble([(0.,0.),(0.,1.),(1.,0.)]))
-        tris=[tri.deepCpy() for i in xrange(4)]
+        tris=[tri.deepCopy() for i in xrange(4)]
         for i,elt in enumerate(tris): elt.translate([i,0])
         tris=MEDCouplingUMesh.MergeUMeshes(tris)
         quad=MEDCouplingUMesh("quad",2)
         quad.allocateCells() ; quad.insertNextCell(NORM_QUAD4,[0,1,2,3])
         quad.setCoords(DataArrayDouble([(0.,0.),(0.,1.),(1.,1.),(1.,0.)]))
-        quads=[quad.deepCpy() for i in xrange(5)]
+        quads=[quad.deepCopy() for i in xrange(5)]
         for i,elt in enumerate(quads): elt.translate([5+i,0])
         quads=MEDCouplingUMesh.MergeUMeshes(quads)
         m=MEDCouplingUMesh.MergeUMeshes(tris,quads)
@@ -2787,13 +2940,13 @@ class MEDLoaderTest(unittest.TestCase):
         tri=MEDCouplingUMesh("tri",2)
         tri.allocateCells() ; tri.insertNextCell(NORM_TRI3,[0,1,2])
         tri.setCoords(DataArrayDouble([(0.,0.),(0.,1.),(1.,0.)]))
-        tris=[tri.deepCpy() for i in xrange(4)]
+        tris=[tri.deepCopy() for i in xrange(4)]
         for i,elt in enumerate(tris): elt.translate([i,0])
         tris=MEDCouplingUMesh.MergeUMeshes(tris)
         quad=MEDCouplingUMesh("quad",2)
         quad.allocateCells() ; quad.insertNextCell(NORM_QUAD4,[0,1,2,3])
         quad.setCoords(DataArrayDouble([(0.,0.),(0.,1.),(1.,1.),(1.,0.)]))
-        quads=[quad.deepCpy() for i in xrange(5)]
+        quads=[quad.deepCopy() for i in xrange(5)]
         for i,elt in enumerate(quads): elt.translate([5+i,0])
         quads=MEDCouplingUMesh.MergeUMeshes(quads)
         m=MEDCouplingUMesh.MergeUMeshes(tris,quads)
@@ -2802,7 +2955,7 @@ class MEDLoaderTest(unittest.TestCase):
         #
         ff0=MEDFileField1TS()
         f0=MEDCouplingFieldDouble(ON_CELLS,ONE_TIME) ; f0.setMesh(m) ; arr=DataArrayDouble(m.getNumberOfCells()*2) ; arr.iota() ; arr.rearrange(2) ; arr.setInfoOnComponents(["X [km]","YY [mm]"]) ; f0.setArray(arr) ; f0.setName("FieldCell")
-        f0.checkCoherency()
+        f0.checkConsistencyLight()
         ff0.setFieldNoProfileSBT(f0)
         #
         fspExp=[(3,[(0,(0,4),'','')]),(4,[(0,(4,9),'','')])]
@@ -2819,7 +2972,7 @@ class MEDLoaderTest(unittest.TestCase):
         del arr,f0,ff0,ff1,ff0i,fspExp
         ff0=MEDFileField1TS()
         f0=MEDCouplingFieldDouble(ON_CELLS,ONE_TIME) ; f0.setMesh(m[:7]) ; arr=DataArrayDouble(7*2) ; arr.iota() ; arr.rearrange(2) ; arr.setInfoOnComponents(["XX [pm]","YYY [hm]"]) ; f0.setArray(arr) ; f0.setName("FieldCellPfl")
-        f0.checkCoherency()
+        f0.checkConsistencyLight()
         pfl=DataArrayInt.Range(0,7,1) ; pfl.setName("pfl")
         ff0.setFieldProfile(f0,mm,0,pfl)
         fspExp=[(3,[(0,(0,4),'','')]),(4,[(0,(4,7),'pfl_NORM_QUAD4','')])]
@@ -2837,13 +2990,13 @@ class MEDLoaderTest(unittest.TestCase):
         ## MultiTimeSteps
         ff0=MEDFileFieldMultiTS()
         f0=MEDCouplingFieldDouble(ON_CELLS,ONE_TIME) ; f0.setMesh(m[:7]) ; arr=DataArrayDouble(7*2) ; arr.iota() ; arr.rearrange(2) ; arr.setInfoOnComponents(["X [km]","YY [mm]"]) ; f0.setArray(arr) ; f0.setName("FieldCellMTime") ; f0.setTime(0.1,0,10)
-        f0.checkCoherency()
+        f0.checkConsistencyLight()
         ff0.appendFieldProfile(f0,mm,0,pfl)
         f0=MEDCouplingFieldDouble(ON_CELLS,ONE_TIME) ; f0.setMesh(m[:7]) ; arr=DataArrayDouble(7*2) ; arr.iota(100) ; arr.rearrange(2) ; arr.setInfoOnComponents(["X [km]","YY [mm]"]) ; f0.setArray(arr) ; f0.setName("FieldCellMTime") ; f0.setTime(1.1,1,11)
-        f0.checkCoherency()
+        f0.checkConsistencyLight()
         ff0.appendFieldProfile(f0,mm,0,pfl)
         f0=MEDCouplingFieldDouble(ON_CELLS,ONE_TIME) ; f0.setMesh(m[:7]) ; arr=DataArrayDouble(7*2) ; arr.iota(200) ; arr.rearrange(2) ; arr.setInfoOnComponents(["X [km]","YY [mm]"]) ; f0.setArray(arr) ; f0.setName("FieldCellMTime") ; f0.setTime(2.1,2,12)
-        f0.checkCoherency()
+        f0.checkConsistencyLight()
         ff0.appendFieldProfile(f0,mm,0,pfl)
         ff1=ff0.convertToInt()
         self.assertTrue(isinstance(ff1,MEDFileIntFieldMultiTS))
@@ -2889,13 +3042,13 @@ class MEDLoaderTest(unittest.TestCase):
         tri=MEDCouplingUMesh("tri",2)
         tri.allocateCells() ; tri.insertNextCell(NORM_TRI3,[0,1,2])
         tri.setCoords(DataArrayDouble([(0.,0.),(0.,1.),(1.,0.)]))
-        tris=[tri.deepCpy() for i in xrange(30)]
+        tris=[tri.deepCopy() for i in xrange(30)]
         for i,elt in enumerate(tris): elt.translate([i,0])
         tris=MEDCouplingUMesh.MergeUMeshes(tris)
         quad=MEDCouplingUMesh("quad",2)
         quad.allocateCells() ; quad.insertNextCell(NORM_QUAD4,[0,1,2,3])
         quad.setCoords(DataArrayDouble([(0.,0.),(0.,1.),(1.,1.),(1.,0.)]))
-        quads=[quad.deepCpy() for i in xrange(40)]
+        quads=[quad.deepCopy() for i in xrange(40)]
         for i,elt in enumerate(quads): elt.translate([40+i,0])
         quads=MEDCouplingUMesh.MergeUMeshes(quads)
         m=MEDCouplingUMesh.MergeUMeshes(tris,quads)
@@ -2904,7 +3057,7 @@ class MEDLoaderTest(unittest.TestCase):
         #
         ff0=MEDFileField1TS()
         f0=MEDCouplingFieldDouble(ON_CELLS,ONE_TIME) ; f0.setMesh(m) ; arr=DataArrayDouble(m.getNumberOfCells()*2) ; arr.iota() ; arr.rearrange(2) ; arr.setInfoOnComponents(["X [km]","YY [mm]"]) ; f0.setArray(arr) ; f0.setName("FieldCell")
-        f0.checkCoherency()
+        f0.checkConsistencyLight()
         ff0.setFieldNoProfileSBT(f0)
         ff0.write(fname,0)
         #
@@ -2913,7 +3066,7 @@ class MEDLoaderTest(unittest.TestCase):
         # With profiles
         ff0=MEDFileField1TS()
         f0=MEDCouplingFieldDouble(ON_CELLS,ONE_TIME) ; f0.setMesh(m[:50]) ; arr=DataArrayDouble(50*2) ; arr.iota() ; arr.rearrange(2) ; arr.setInfoOnComponents(["XX [pm]","YYY [hm]"]) ; f0.setArray(arr) ; f0.setName("FieldCellPfl")
-        f0.checkCoherency()
+        f0.checkConsistencyLight()
         pfl=DataArrayInt.Range(0,50,1) ; pfl.setName("pfl")
         ff0.setFieldProfile(f0,mm,0,pfl)
         fspExp=[(3,[(0,(0,30),'','')]),(4,[(0,(30,50),'pfl_NORM_QUAD4','')])]
@@ -2925,7 +3078,7 @@ class MEDLoaderTest(unittest.TestCase):
         self.assertTrue(not ff0.getUndergroundDataArray().isAllocated())
         self.assertEqual(ff0.getUndergroundDataArray().getInfoOnComponents(),['X [km]','YY [mm]'])
         heap_memory_ref=ff0.getHeapMemorySize()
-        self.assertIn(heap_memory_ref,xrange(182,298+2*strMulFac))
+        self.assertIn(heap_memory_ref,xrange(182,465+2*strMulFac))
         ff0.loadArrays() ##
         arr=DataArrayDouble(140) ; arr.iota() ; arr.rearrange(2)
         self.assertTrue(ff0.getUndergroundDataArray().isEqualWithoutConsideringStr(arr,1e-14))
@@ -2934,7 +3087,7 @@ class MEDLoaderTest(unittest.TestCase):
         ff0=MEDFileField1TS(fname,"FieldCellPfl",False)
         self.assertEqual(ff0.getUndergroundDataArray().getInfoOnComponents(),["XX [pm]","YYY [hm]"])
         heap_memory_ref=ff0.getHeapMemorySize()
-        self.assertIn(heap_memory_ref,xrange(350,415+6*strMulFac))
+        self.assertIn(heap_memory_ref,xrange(350,520+6*strMulFac))
         ff0.loadArrays() ##
         arr=DataArrayDouble(100) ; arr.iota() ; arr.rearrange(2)
         self.assertTrue(ff0.getUndergroundDataArray().isEqualWithoutConsideringStr(arr,1e-14))
@@ -2952,7 +3105,7 @@ class MEDLoaderTest(unittest.TestCase):
         self.assertEqual(ff0.getUndergroundDataArray().getIJ(30,1),5.5)
         self.assertTrue(not ff0.getUndergroundDataArray().isEqualWithoutConsideringStr(arr,1e-14))
         heap_memory_ref=ff0.getHeapMemorySize()
-        self.assertIn(heap_memory_ref,xrange(1100,1215+2*strMulFac))
+        self.assertIn(heap_memory_ref,xrange(1100,1384+2*strMulFac))
         ff0.unloadArrays()
         hmd=ff0.getHeapMemorySize()-heap_memory_ref
         self.assertEqual(hmd,-800) # -50*8*2
@@ -2961,7 +3114,7 @@ class MEDLoaderTest(unittest.TestCase):
         #
         ff0=MEDFileField1TS(fname,"FieldCellPfl",-1,-1,False)
         heap_memory_ref=ff0.getHeapMemorySize()
-        self.assertIn(heap_memory_ref,xrange(299,415+6*strMulFac))
+        self.assertIn(heap_memory_ref,xrange(299,520+6*strMulFac))
         ff0.loadArrays() ##
         self.assertTrue(ff0.getUndergroundDataArray().isEqualWithoutConsideringStr(arr,1e-14))
         self.assertEqual(ff0.getHeapMemorySize()-heap_memory_ref,50*8*2)
@@ -2971,21 +3124,21 @@ class MEDLoaderTest(unittest.TestCase):
         for t in xrange(20):
             f0=MEDCouplingFieldDouble(ON_CELLS,ONE_TIME) ; f0.setMesh(m) ; arr=DataArrayDouble(m.getNumberOfCells()*2) ; arr.iota(float(t+1000)) ; arr.rearrange(2) ; arr.setInfoOnComponents(["X [km]","YY [mm]"]) ; f0.setArray(arr) ; f0.setName(fieldName)
             f0.setTime(float(t)+0.1,t,100+t)
-            f0.checkCoherency()
+            f0.checkConsistencyLight()
             ff0.appendFieldNoProfileSBT(f0)
             pass
         ff0.write(fname,0)
         #
         ff0=MEDFileAnyTypeFieldMultiTS.New(fname,fieldName,False)
         heap_memory_ref=ff0.getHeapMemorySize()
-        self.assertIn(heap_memory_ref,xrange(5536,5956+(80+26)*strMulFac))
+        self.assertIn(heap_memory_ref,xrange(5536,8212+(80+26)*strMulFac))
         ff0.loadArrays()
         self.assertEqual(ff0.getHeapMemorySize()-heap_memory_ref,20*70*8*2)
         del ff0
         #
         ffs=MEDFileFields(fname,False)
         heap_memory_ref=ffs.getHeapMemorySize()
-        self.assertIn(heap_memory_ref,xrange(5335,6687+(80+50)*strMulFac))
+        self.assertIn(heap_memory_ref,xrange(5335,9031+(80+50)*strMulFac))
         ffs.loadArrays()
         self.assertEqual(ffs.getHeapMemorySize()-heap_memory_ref,20*70*8*2+70*8*2+50*8*2)
         pass
@@ -3157,13 +3310,13 @@ class MEDLoaderTest(unittest.TestCase):
         tri=MEDCouplingUMesh("tri",2)
         tri.allocateCells() ; tri.insertNextCell(NORM_TRI3,[0,1,2])
         tri.setCoords(DataArrayDouble([(0.,0.),(0.,1.),(1.,0.)]))
-        tris=[tri.deepCpy() for i in xrange(4)]
+        tris=[tri.deepCopy() for i in xrange(4)]
         for i,elt in enumerate(tris): elt.translate([i,0])
         tris=MEDCouplingUMesh.MergeUMeshes(tris)
         quad=MEDCouplingUMesh("quad",2)
         quad.allocateCells() ; quad.insertNextCell(NORM_QUAD4,[0,1,2,3])
         quad.setCoords(DataArrayDouble([(0.,0.),(0.,1.),(1.,1.),(1.,0.)]))
-        quads=[quad.deepCpy() for i in xrange(5)]
+        quads=[quad.deepCopy() for i in xrange(5)]
         for i,elt in enumerate(quads): elt.translate([5+i,0])
         quads=MEDCouplingUMesh.MergeUMeshes(quads)
         m=MEDCouplingUMesh.MergeUMeshes(tris,quads)
@@ -3272,13 +3425,13 @@ class MEDLoaderTest(unittest.TestCase):
         tri=MEDCouplingUMesh("tri",2)
         tri.allocateCells() ; tri.insertNextCell(NORM_TRI3,[0,1,2])
         tri.setCoords(DataArrayDouble([(0.,0.),(0.,1.),(1.,0.)]))
-        tris=[tri.deepCpy() for i in xrange(4)]
+        tris=[tri.deepCopy() for i in xrange(4)]
         for i,elt in enumerate(tris): elt.translate([i,0])
         tris=MEDCouplingUMesh.MergeUMeshes(tris)
         quad=MEDCouplingUMesh("quad",2)
         quad.allocateCells() ; quad.insertNextCell(NORM_QUAD4,[0,1,2,3])
         quad.setCoords(DataArrayDouble([(0.,0.),(0.,1.),(1.,1.),(1.,0.)]))
-        quads=[quad.deepCpy() for i in xrange(5)]
+        quads=[quad.deepCopy() for i in xrange(5)]
         for i,elt in enumerate(quads): elt.translate([5+i,0])
         quads=MEDCouplingUMesh.MergeUMeshes(quads)
         m=MEDCouplingUMesh.MergeUMeshes(tris,quads)
@@ -3368,21 +3521,20 @@ class MEDLoaderTest(unittest.TestCase):
         self.assertTrue(m.getFamilyFieldAtLevel(1).isEqual(DataArrayInt([-1,-1,-1,-1,-1,-2,-2,-2,-2,-2,-2,0,-1,-3,-3,-3])))
         pass
 
-    #@unittest.skipUnless(False,"requires Vadim's green light")
     def testWRQPolyg1(self):
         fname="Pyfile72.med"
         m=MEDCoupling1SGTUMesh("mesh",NORM_QUAD4) ; m.allocateCells()
         m.insertNextCell([0,2,1,3])
         m.setCoords(DataArrayDouble([0.,0.,1.,1.,1.,0.,0.,1.],4,2))
         #
-        ms=[m.deepCpy() for i in xrange(4)]
+        ms=[m.deepCopy() for i in xrange(4)]
         for i,elt in enumerate(ms):
             elt.translate([float(i)*1.5,0.])
             pass
         m0=MEDCoupling1SGTUMesh.Merge1SGTUMeshes(ms).buildUnstructured()
         m0.convertAllToPoly()
         #
-        ms=[m.deepCpy() for i in xrange(5)]
+        ms=[m.deepCopy() for i in xrange(5)]
         for i,elt in enumerate(ms):
             elt.translate([float(i)*1.5,1.5])
             pass
@@ -3413,7 +3565,7 @@ class MEDLoaderTest(unittest.TestCase):
         arr0=DataArrayDouble(9) ; arr0.iota()
         arr1=DataArrayDouble(9) ; arr1.iota(100)
         arr=DataArrayDouble.Meld(arr0,arr1) ; arr.setInfoOnComponents(["mm [kg]","sds [m]"])
-        f.setArray(arr) ; f.checkCoherency()
+        f.setArray(arr) ; f.checkConsistencyLight()
         f.setTime(5.6,1,2)
         ff=MEDFileField1TS()
         ff.setFieldNoProfileSBT(f)
@@ -3496,7 +3648,7 @@ class MEDLoaderTest(unittest.TestCase):
         for elt in [[0,1,2,3,4,5],[1,2,3,4,5,6],[2,3,4,5,6,7],[3,4,5,6,7,8]]:#4
             m0.insertNextCell(NORM_PENTA6,elt)
             pass
-        m0.checkCoherency2()
+        m0.checkConsistency()
         m1=MEDCouplingUMesh(); m1.setName("mesh")
         m1.setMeshDimension(2);
         m1.allocateCells(5);
@@ -3660,7 +3812,7 @@ class MEDLoaderTest(unittest.TestCase):
         m.changeSpaceDimension(3,0.)
         infos=["aa [b]","cc [de]","gg [klm]"]
         m.getCoords().setInfoOnComponents(infos)
-        m.checkCoherency2()
+        m.checkConsistency()
         mm=MEDFileUMesh()
         mm.setMeshAtLevel(0,m)
         m1=MEDCouplingCMesh() ; m1.setCoords(arr) ; m1.setName("Mesh") 
@@ -3744,22 +3896,22 @@ class MEDLoaderTest(unittest.TestCase):
         m.changeSpaceDimension(3,0.)
         infos=["aa [b]","cc [de]","gg [klm]"]
         m.getCoords().setInfoOnComponents(infos)
-        m.checkCoherency2()
+        m.checkConsistency()
         f=MEDCouplingFieldDouble(ON_CELLS,ONE_TIME) ; f.setMesh(m)
         f.setName("Field")
         arr=DataArrayDouble(25,2) ; arr.setInfoOnComponents(compos)
         arr[:,0]=range(25)
         arr[:,1]=range(100,125)
         f.setArray(arr)
-        MEDLoader.WriteField(fileName,f,2)
+        WriteField(fileName,f,2)
         f=MEDCouplingFieldDouble(ON_NODES,ONE_TIME) ; f.setMesh(m)
         f.setName("FieldNode")
         arr=DataArrayDouble(36,2) ; arr.setInfoOnComponents(compos)
         arr[:,0]=range(200,236)
         arr[:,1]=range(300,336)
         f.setArray(arr)
-        f.checkCoherency()
-        MEDLoader.WriteFieldUsingAlreadyWrittenMesh(fileName,f)
+        f.checkConsistencyLight()
+        WriteFieldUsingAlreadyWrittenMesh(fileName,f)
         #
         ms=MEDFileMeshes()
         mm=MEDFileUMesh.LoadPartOf(fileName,meshName,[NORM_QUAD4],[0,6,1])
@@ -3771,7 +3923,7 @@ class MEDLoaderTest(unittest.TestCase):
         mm=MEDFileUMesh.LoadPartOf(fileName,meshName,[NORM_QUAD4],[3,15,1])
         ms.pushMesh(mm)
         fs=MEDFileFields.LoadPartOf(fileName,False,ms)
-        fs=fs.deepCpy()
+        fs=fs.deepCopy()
         fs[0][0].loadArrays()
         arr=DataArrayDouble(12,2) ; arr[:,0]=range(3,15) ; arr[:,1]=range(103,115)
         arr.setInfoOnComponents(compos)
@@ -3809,22 +3961,22 @@ class MEDLoaderTest(unittest.TestCase):
         m.changeSpaceDimension(3,0.)
         infos=["aa [b]","cc [de]","gg [klm]"]
         m.getCoords().setInfoOnComponents(infos)
-        m.checkCoherency2()
+        m.checkConsistency()
         f=MEDCouplingFieldDouble(ON_CELLS,ONE_TIME) ; f.setMesh(m)
         f.setName("Field")
         arr=DataArrayDouble(25,2) ; arr.setInfoOnComponents(compos)
         arr[:,0]=range(25)
         arr[:,1]=range(100,125)
         f.setArray(arr)
-        MEDLoader.WriteField(fileName,f,2)
+        WriteField(fileName,f,2)
         f=MEDCouplingFieldDouble(ON_NODES,ONE_TIME) ; f.setMesh(m)
         f.setName("FieldNode")
         arr=DataArrayDouble(36,2) ; arr.setInfoOnComponents(compos)
         arr[:,0]=range(200,236)
         arr[:,1]=range(300,336)
         f.setArray(arr)
-        f.checkCoherency()
-        MEDLoader.WriteFieldUsingAlreadyWrittenMesh(fileName,f)
+        f.checkConsistencyLight()
+        WriteFieldUsingAlreadyWrittenMesh(fileName,f)
         #
         ms=MEDFileMeshes()
         mm=MEDFileUMesh.LoadPartOf(fileName,meshName,[NORM_QUAD4],[4,6,1])
@@ -3850,7 +4002,7 @@ class MEDLoaderTest(unittest.TestCase):
         arr.setInfoOnComponents(compos)
         self.assertTrue(fs[1][0].getUndergroundDataArray().isEqual(arr,1e-12))
         pass
-    
+
     def testMEDFileCMeshSetGroupsAtLevel(self):
         """ Non regression test to check that setGroupsAtLevel is available with MEDFileCMesh.
         """
@@ -3864,7 +4016,7 @@ class MEDLoaderTest(unittest.TestCase):
 
     def testMEDFileUMeshBuildExtrudedMesh1(self):
         """ New functionality of MEDFileUMesh.buildExtrudedMesh."""
-        fileName="PyFile85.med"
+        fileName="Pyfile85.med"
         meshName2D="Mesh"
         meshName1D="Mesh1D"
         meshName3DOut="Mesh3D"
@@ -3882,7 +4034,7 @@ class MEDLoaderTest(unittest.TestCase):
         m=MEDCouplingUMesh.MergeUMeshesOnSameCoords([m0,m1])
         m.setName(meshName2D)
         mMinus1,a,b,c,d=m.buildDescendingConnectivity()
-        e=d.deltaShiftIndex().getIdsEqual(1)
+        e=d.deltaShiftIndex().findIdsEqual(1)
         #
         mm=MEDFileUMesh()
         mm.setMeshAtLevel(0,m) ; mm.setMeshAtLevel(-1,mMinus1)
@@ -3892,7 +4044,7 @@ class MEDLoaderTest(unittest.TestCase):
         mm.setGroupsAtLevel(-1,[grp1])
         mm.write(fileName,2)
         #
-        a=DataArrayDouble(10) ; a.iota()
+        a=DataArrayDouble(3) ; a.iota()
         tmp=MEDCouplingCMesh() ; tmp.setCoords(a) ; tmp=tmp.buildUnstructured()
         tmp.setName(meshName1D)
         tmp.changeSpaceDimension(3)
@@ -3907,27 +4059,1723 @@ class MEDLoaderTest(unittest.TestCase):
         mm3D=mm2D.buildExtrudedMesh(m1D,0)
         #
         self.assertEqual(mm3D.getName(),mm2D.getName())
-        self.assertEqual(mm3D.getNumberOfCellsAtLevel(0),297)
-        self.assertEqual(mm3D.getNumberOfCellsAtLevel(-1),576)
-        self.assertEqual(mm3D.getGroupsNames(),('grp0','grp1'))
-        self.assertEqual(mm3D.getGrpNonEmptyLevels("grp0"),(0,))
-        self.assertEqual(mm3D.getGrpNonEmptyLevels("grp1"),(-1,))
-        d=DataArrayDouble([(1.,0.,0.),(2.,0.,0.),(3.,0.,0.),(4.,0.,0.),(0.,1.,0.),(1.,1.,0.),(2.,1.,0.),(3.,1.,0.),(4.,1.,0.),(5.,1.,0.),(0.,2.,0.),(1.,2.,0.),(2.,2.,0.),(3.,2.,0.),(4.,2.,0.),(5.,2.,0.),(0.,3.,0.),(1.,3.,0.),(2.,3.,0.),(3.,3.,0.),(4.,3.,0.),(5.,3.,0.),(0.,4.,0.),(1.,4.,0.),(2.,4.,0.),(3.,4.,0.),(4.,4.,0.),(5.,4.,0.),(1.,5.,0.),(2.,5.,0.),(3.,5.,0.),(4.,5.,0.),(1.,0.,1.),(2.,0.,1.),(3.,0.,1.),(4.,0.,1.),(0.,1.,1.),(1.,1.,1.),(2.,1.,1.),(3.,1.,1.),(4.,1.,1.),(5.,1.,1.),(0.,2.,1.),(1.,2.,1.),(2.,2.,1.),(3.,2.,1.),(4.,2.,1.),(5.,2.,1.),(0.,3.,1.),(1.,3.,1.),(2.,3.,1.),(3.,3.,1.),(4.,3.,1.),(5.,3.,1.),(0.,4.,1.),(1.,4.,1.),(2.,4.,1.),(3.,4.,1.),(4.,4.,1.),(5.,4.,1.),(1.,5.,1.),(2.,5.,1.),(3.,5.,1.),(4.,5.,1.),(1.,0.,2.),(2.,0.,2.),(3.,0.,2.),(4.,0.,2.),(0.,1.,2.),(1.,1.,2.),(2.,1.,2.),(3.,1.,2.),(4.,1.,2.),(5.,1.,2.),(0.,2.,2.),(1.,2.,2.),(2.,2.,2.),(3.,2.,2.),(4.,2.,2.),(5.,2.,2.),(0.,3.,2.),(1.,3.,2.),(2.,3.,2.),(3.,3.,2.),(4.,3.,2.),(5.,3.,2.),(0.,4.,2.),(1.,4.,2.),(2.,4.,2.),(3.,4.,2.),(4.,4.,2.),(5.,4.,2.),(1.,5.,2.),(2.,5.,2.),(3.,5.,2.),(4.,5.,2.),(1.,0.,3.),(2.,0.,3.),(3.,0.,3.),(4.,0.,3.),(0.,1.,3.),(1.,1.,3.),(2.,1.,3.),(3.,1.,3.),(4.,1.,3.),(5.,1.,3.),(0.,2.,3.),(1.,2.,3.),(2.,2.,3.),(3.,2.,3.),(4.,2.,3.),(5.,2.,3.),(0.,3.,3.),(1.,3.,3.),(2.,3.,3.),(3.,3.,3.),(4.,3.,3.),(5.,3.,3.),(0.,4.,3.),(1.,4.,3.),(2.,4.,3.),(3.,4.,3.),(4.,4.,3.),(5.,4.,3.),(1.,5.,3.),(2.,5.,3.),(3.,5.,3.),(4.,5.,3.),(1.,0.,4.),(2.,0.,4.),(3.,0.,4.),(4.,0.,4.),(0.,1.,4.),(1.,1.,4.),(2.,1.,4.),(3.,1.,4.),(4.,1.,4.),(5.,1.,4.),(0.,2.,4.),(1.,2.,4.),(2.,2.,4.),(3.,2.,4.),(4.,2.,4.),(5.,2.,4.),(0.,3.,4.),(1.,3.,4.),(2.,3.,4.),(3.,3.,4.),(4.,3.,4.),(5.,3.,4.),(0.,4.,4.),(1.,4.,4.),(2.,4.,4.),(3.,4.,4.),(4.,4.,4.),(5.,4.,4.),(1.,5.,4.),(2.,5.,4.),(3.,5.,4.),(4.,5.,4.),(1.,0.,5.),(2.,0.,5.),(3.,0.,5.),(4.,0.,5.),(0.,1.,5.),(1.,1.,5.),(2.,1.,5.),(3.,1.,5.),(4.,1.,5.),(5.,1.,5.),(0.,2.,5.),(1.,2.,5.),(2.,2.,5.),(3.,2.,5.),(4.,2.,5.),(5.,2.,5.),(0.,3.,5.),(1.,3.,5.),(2.,3.,5.),(3.,3.,5.),(4.,3.,5.),(5.,3.,5.),(0.,4.,5.),(1.,4.,5.),(2.,4.,5.),(3.,4.,5.),(4.,4.,5.),(5.,4.,5.),(1.,5.,5.),(2.,5.,5.),(3.,5.,5.),(4.,5.,5.),(1.,0.,6.),(2.,0.,6.),(3.,0.,6.),(4.,0.,6.),(0.,1.,6.),(1.,1.,6.),(2.,1.,6.),(3.,1.,6.),(4.,1.,6.),(5.,1.,6.),(0.,2.,6.),(1.,2.,6.),(2.,2.,6.),(3.,2.,6.),(4.,2.,6.),(5.,2.,6.),(0.,3.,6.),(1.,3.,6.),(2.,3.,6.),(3.,3.,6.),(4.,3.,6.),(5.,3.,6.),(0.,4.,6.),(1.,4.,6.),(2.,4.,6.),(3.,4.,6.),(4.,4.,6.),(5.,4.,6.),(1.,5.,6.),(2.,5.,6.),(3.,5.,6.),(4.,5.,6.),(1.,0.,7.),(2.,0.,7.),(3.,0.,7.),(4.,0.,7.),(0.,1.,7.),(1.,1.,7.),(2.,1.,7.),(3.,1.,7.),(4.,1.,7.),(5.,1.,7.),(0.,2.,7.),(1.,2.,7.),(2.,2.,7.),(3.,2.,7.),(4.,2.,7.),(5.,2.,7.),(0.,3.,7.),(1.,3.,7.),(2.,3.,7.),(3.,3.,7.),(4.,3.,7.),(5.,3.,7.),(0.,4.,7.),(1.,4.,7.),(2.,4.,7.),(3.,4.,7.),(4.,4.,7.),(5.,4.,7.),(1.,5.,7.),(2.,5.,7.),(3.,5.,7.),(4.,5.,7.),(1.,0.,8.),(2.,0.,8.),(3.,0.,8.),(4.,0.,8.),(0.,1.,8.),(1.,1.,8.),(2.,1.,8.),(3.,1.,8.),(4.,1.,8.),(5.,1.,8.),(0.,2.,8.),(1.,2.,8.),(2.,2.,8.),(3.,2.,8.),(4.,2.,8.),(5.,2.,8.),(0.,3.,8.),(1.,3.,8.),(2.,3.,8.),(3.,3.,8.),(4.,3.,8.),(5.,3.,8.),(0.,4.,8.),(1.,4.,8.),(2.,4.,8.),(3.,4.,8.),(4.,4.,8.),(5.,4.,8.),(1.,5.,8.),(2.,5.,8.),(3.,5.,8.),(4.,5.,8.),(1.,0.,9.),(2.,0.,9.),(3.,0.,9.),(4.,0.,9.),(0.,1.,9.),(1.,1.,9.),(2.,1.,9.),(3.,1.,9.),(4.,1.,9.),(5.,1.,9.),(0.,2.,9.),(1.,2.,9.),(2.,2.,9.),(3.,2.,9.),(4.,2.,9.),(5.,2.,9.),(0.,3.,9.),(1.,3.,9.),(2.,3.,9.),(3.,3.,9.),(4.,3.,9.),(5.,3.,9.),(0.,4.,9.),(1.,4.,9.),(2.,4.,9.),(3.,4.,9.),(4.,4.,9.),(5.,4.,9.),(1.,5.,9.),(2.,5.,9.),(3.,5.,9.),(4.,5.,9.)])
+        self.assertEqual(mm3D.getNumberOfCellsAtLevel(0),66)
+        self.assertEqual(mm3D.getNumberOfCellsAtLevel(-1),194)
+        self.assertEqual(mm3D.getGroupsNames(),('grp0','grp0_extruded','grp0_top','grp1','grp1_extruded','grp1_top'))
+        self.assertEqual(mm3D.getGrpNonEmptyLevels("grp0"),(-1,))
+        self.assertEqual(mm3D.getGrpNonEmptyLevels("grp0_top"),(-1,))
+        self.assertEqual(mm3D.getGrpNonEmptyLevels("grp0_extruded"),(0,))
+        self.assertEqual(mm3D.getGrpNonEmptyLevels("grp1"),(-2,))
+        self.assertEqual(mm3D.getGrpNonEmptyLevels("grp1_top"),(-2,))
+        self.assertEqual(mm3D.getGrpNonEmptyLevels("grp1_extruded"),(-1,))
+        d=DataArrayDouble([(1.,0.,0.),(2.,0.,0.),(3.,0.,0.),(4.,0.,0.),(0.,1.,0.),(1.,1.,0.),(2.,1.,0.),(3.,1.,0.),(4.,1.,0.),(5.,1.,0.),(0.,2.,0.),(1.,2.,0.),(2.,2.,0.),(3.,2.,0.),(4.,2.,0.),(5.,2.,0.),(0.,3.,0.),(1.,3.,0.),(2.,3.,0.),(3.,3.,0.),(4.,3.,0.),(5.,3.,0.),(0.,4.,0.),(1.,4.,0.),(2.,4.,0.),(3.,4.,0.),(4.,4.,0.),(5.,4.,0.),(1.,5.,0.),(2.,5.,0.),(3.,5.,0.),(4.,5.,0.),(1.,0.,1.),(2.,0.,1.),(3.,0.,1.),(4.,0.,1.),(0.,1.,1.),(1.,1.,1.),(2.,1.,1.),(3.,1.,1.),(4.,1.,1.),(5.,1.,1.),(0.,2.,1.),(1.,2.,1.),(2.,2.,1.),(3.,2.,1.),(4.,2.,1.),(5.,2.,1.),(0.,3.,1.),(1.,3.,1.),(2.,3.,1.),(3.,3.,1.),(4.,3.,1.),(5.,3.,1.),(0.,4.,1.),(1.,4.,1.),(2.,4.,1.),(3.,4.,1.),(4.,4.,1.),(5.,4.,1.),(1.,5.,1.),(2.,5.,1.),(3.,5.,1.),(4.,5.,1.),(1.,0.,2.),(2.,0.,2.),(3.,0.,2.),(4.,0.,2.),(0.,1.,2.),(1.,1.,2.),(2.,1.,2.),(3.,1.,2.),(4.,1.,2.),(5.,1.,2.),(0.,2.,2.),(1.,2.,2.),(2.,2.,2.),(3.,2.,2.),(4.,2.,2.),(5.,2.,2.),(0.,3.,2.),(1.,3.,2.),(2.,3.,2.),(3.,3.,2.),(4.,3.,2.),(5.,3.,2.),(0.,4.,2.),(1.,4.,2.),(2.,4.,2.),(3.,4.,2.),(4.,4.,2.),(5.,4.,2.),(1.,5.,2.),(2.,5.,2.),(3.,5.,2.),(4.,5.,2.)])
         self.assertTrue(mm3D.getCoords().isEqual(d,1e-12))
-        d=DataArrayInt([16,1,0,5,33,32,37,16,1,5,6,33,37,38,16,2,1,6,34,33,38,16,2,6,7,34,38,39,16,3,2,7,35,34,39,16,3,7,8,35,39,40,16,5,4,10,37,36,42,16,5,10,11,37,42,43,16,9,8,14,41,40,46,16,9,14,15,41,46,47,16,11,10,16,43,42,48,16,11,16,17,43,48,49,16,15,14,20,47,46,52,16,15,20,21,47,52,53,16,17,16,22,49,48,54,16,17,22,23,49,54,55,16,21,20,26,53,52,58,16,21,26,27,53,58,59,16,24,23,28,56,55,60,16,24,28,29,56,60,61,16,25,24,29,57,56,61,16,25,29,30,57,61,62,16,26,25,30,58,57,62,16,26,30,31,58,62,63,16,33,32,37,65,64,69,16,33,37,38,65,69,70,16,34,33,38,66,65,70,16,34,38,39,66,70,71,16,35,34,39,67,66,71,16,35,39,40,67,71,72,16,37,36,42,69,68,74,16,37,42,43,69,74,75,16,41,40,46,73,72,78,16,41,46,47,73,78,79,16,43,42,48,75,74,80,16,43,48,49,75,80,81,16,47,46,52,79,78,84,16,47,52,53,79,84,85,16,49,48,54,81,80,86,16,49,54,55,81,86,87,16,53,52,58,85,84,90,16,53,58,59,85,90,91,16,56,55,60,88,87,92,16,56,60,61,88,92,93,16,57,56,61,89,88,93,16,57,61,62,89,93,94,16,58,57,62,90,89,94,16,58,62,63,90,94,95,16,65,64,69,97,96,101,16,65,69,70,97,101,102,16,66,65,70,98,97,102,16,66,70,71,98,102,103,16,67,66,71,99,98,103,16,67,71,72,99,103,104,16,69,68,74,101,100,106,16,69,74,75,101,106,107,16,73,72,78,105,104,110,16,73,78,79,105,110,111,16,75,74,80,107,106,112,16,75,80,81,107,112,113,16,79,78,84,111,110,116,16,79,84,85,111,116,117,16,81,80,86,113,112,118,16,81,86,87,113,118,119,16,85,84,90,117,116,122,16,85,90,91,117,122,123,16,88,87,92,120,119,124,16,88,92,93,120,124,125,16,89,88,93,121,120,125,16,89,93,94,121,125,126,16,90,89,94,122,121,126,16,90,94,95,122,126,127,16,97,96,101,129,128,133,16,97,101,102,129,133,134,16,98,97,102,130,129,134,16,98,102,103,130,134,135,16,99,98,103,131,130,135,16,99,103,104,131,135,136,16,101,100,106,133,132,138,16,101,106,107,133,138,139,16,105,104,110,137,136,142,16,105,110,111,137,142,143,16,107,106,112,139,138,144,16,107,112,113,139,144,145,16,111,110,116,143,142,148,16,111,116,117,143,148,149,16,113,112,118,145,144,150,16,113,118,119,145,150,151,16,117,116,122,149,148,154,16,117,122,123,149,154,155,16,120,119,124,152,151,156,16,120,124,125,152,156,157,16,121,120,125,153,152,157,16,121,125,126,153,157,158,16,122,121,126,154,153,158,16,122,126,127,154,158,159,16,129,128,133,161,160,165,16,129,133,134,161,165,166,16,130,129,134,162,161,166,16,130,134,135,162,166,167,16,131,130,135,163,162,167,16,131,135,136,163,167,168,16,133,132,138,165,164,170,16,133,138,139,165,170,171,16,137,136,142,169,168,174,16,137,142,143,169,174,175,16,139,138,144,171,170,176,16,139,144,145,171,176,177,16,143,142,148,175,174,180,16,143,148,149,175,180,181,16,145,144,150,177,176,182,16,145,150,151,177,182,183,16,149,148,154,181,180,186,16,149,154,155,181,186,187,16,152,151,156,184,183,188,16,152,156,157,184,188,189,16,153,152,157,185,184,189,16,153,157,158,185,189,190,16,154,153,158,186,185,190,16,154,158,159,186,190,191,16,161,160,165,193,192,197,16,161,165,166,193,197,198,16,162,161,166,194,193,198,16,162,166,167,194,198,199,16,163,162,167,195,194,199,16,163,167,168,195,199,200,16,165,164,170,197,196,202,16,165,170,171,197,202,203,16,169,168,174,201,200,206,16,169,174,175,201,206,207,16,171,170,176,203,202,208,16,171,176,177,203,208,209,16,175,174,180,207,206,212,16,175,180,181,207,212,213,16,177,176,182,209,208,214,16,177,182,183,209,214,215,16,181,180,186,213,212,218,16,181,186,187,213,218,219,16,184,183,188,216,215,220,16,184,188,189,216,220,221,16,185,184,189,217,216,221,16,185,189,190,217,221,222,16,186,185,190,218,217,222,16,186,190,191,218,222,223,16,193,192,197,225,224,229,16,193,197,198,225,229,230,16,194,193,198,226,225,230,16,194,198,199,226,230,231,16,195,194,199,227,226,231,16,195,199,200,227,231,232,16,197,196,202,229,228,234,16,197,202,203,229,234,235,16,201,200,206,233,232,238,16,201,206,207,233,238,239,16,203,202,208,235,234,240,16,203,208,209,235,240,241,16,207,206,212,239,238,244,16,207,212,213,239,244,245,16,209,208,214,241,240,246,16,209,214,215,241,246,247,16,213,212,218,245,244,250,16,213,218,219,245,250,251,16,216,215,220,248,247,252,16,216,220,221,248,252,253,16,217,216,221,249,248,253,16,217,221,222,249,253,254,16,218,217,222,250,249,254,16,218,222,223,250,254,255,16,225,224,229,257,256,261,16,225,229,230,257,261,262,16,226,225,230,258,257,262,16,226,230,231,258,262,263,16,227,226,231,259,258,263,16,227,231,232,259,263,264,16,229,228,234,261,260,266,16,229,234,235,261,266,267,16,233,232,238,265,264,270,16,233,238,239,265,270,271,16,235,234,240,267,266,272,16,235,240,241,267,272,273,16,239,238,244,271,270,276,16,239,244,245,271,276,277,16,241,240,246,273,272,278,16,241,246,247,273,278,279,16,245,244,250,277,276,282,16,245,250,251,277,282,283,16,248,247,252,280,279,284,16,248,252,253,280,284,285,16,249,248,253,281,280,285,16,249,253,254,281,285,286,16,250,249,254,282,281,286,16,250,254,255,282,286,287,16,257,256,261,289,288,293,16,257,261,262,289,293,294,16,258,257,262,290,289,294,16,258,262,263,290,294,295,16,259,258,263,291,290,295,16,259,263,264,291,295,296,16,261,260,266,293,292,298,16,261,266,267,293,298,299,16,265,264,270,297,296,302,16,265,270,271,297,302,303,16,267,266,272,299,298,304,16,267,272,273,299,304,305,16,271,270,276,303,302,308,16,271,276,277,303,308,309,16,273,272,278,305,304,310,16,273,278,279,305,310,311,16,277,276,282,309,308,314,16,277,282,283,309,314,315,16,280,279,284,312,311,316,16,280,284,285,312,316,317,16,281,280,285,313,312,317,16,281,285,286,313,317,318,16,282,281,286,314,313,318,16,282,286,287,314,318,319,18,6,5,11,12,38,37,43,44,18,7,6,12,13,39,38,44,45,18,8,7,13,14,40,39,45,46,18,12,11,17,18,44,43,49,50,18,13,12,18,19,45,44,50,51,18,14,13,19,20,46,45,51,52,18,18,17,23,24,50,49,55,56,18,19,18,24,25,51,50,56,57,18,20,19,25,26,52,51,57,58,18,38,37,43,44,70,69,75,76,18,39,38,44,45,71,70,76,77,18,40,39,45,46,72,71,77,78,18,44,43,49,50,76,75,81,82,18,45,44,50,51,77,76,82,83,18,46,45,51,52,78,77,83,84,18,50,49,55,56,82,81,87,88,18,51,50,56,57,83,82,88,89,18,52,51,57,58,84,83,89,90,18,70,69,75,76,102,101,107,108,18,71,70,76,77,103,102,108,109,18,72,71,77,78,104,103,109,110,18,76,75,81,82,108,107,113,114,18,77,76,82,83,109,108,114,115,18,78,77,83,84,110,109,115,116,18,82,81,87,88,114,113,119,120,18,83,82,88,89,115,114,120,121,18,84,83,89,90,116,115,121,122,18,102,101,107,108,134,133,139,140,18,103,102,108,109,135,134,140,141,18,104,103,109,110,136,135,141,142,18,108,107,113,114,140,139,145,146,18,109,108,114,115,141,140,146,147,18,110,109,115,116,142,141,147,148,18,114,113,119,120,146,145,151,152,18,115,114,120,121,147,146,152,153,18,116,115,121,122,148,147,153,154,18,134,133,139,140,166,165,171,172,18,135,134,140,141,167,166,172,173,18,136,135,141,142,168,167,173,174,18,140,139,145,146,172,171,177,178,18,141,140,146,147,173,172,178,179,18,142,141,147,148,174,173,179,180,18,146,145,151,152,178,177,183,184,18,147,146,152,153,179,178,184,185,18,148,147,153,154,180,179,185,186,18,166,165,171,172,198,197,203,204,18,167,166,172,173,199,198,204,205,18,168,167,173,174,200,199,205,206,18,172,171,177,178,204,203,209,210,18,173,172,178,179,205,204,210,211,18,174,173,179,180,206,205,211,212,18,178,177,183,184,210,209,215,216,18,179,178,184,185,211,210,216,217,18,180,179,185,186,212,211,217,218,18,198,197,203,204,230,229,235,236,18,199,198,204,205,231,230,236,237,18,200,199,205,206,232,231,237,238,18,204,203,209,210,236,235,241,242,18,205,204,210,211,237,236,242,243,18,206,205,211,212,238,237,243,244,18,210,209,215,216,242,241,247,248,18,211,210,216,217,243,242,248,249,18,212,211,217,218,244,243,249,250,18,230,229,235,236,262,261,267,268,18,231,230,236,237,263,262,268,269,18,232,231,237,238,264,263,269,270,18,236,235,241,242,268,267,273,274,18,237,236,242,243,269,268,274,275,18,238,237,243,244,270,269,275,276,18,242,241,247,248,274,273,279,280,18,243,242,248,249,275,274,280,281,18,244,243,249,250,276,275,281,282,18,262,261,267,268,294,293,299,300,18,263,262,268,269,295,294,300,301,18,264,263,269,270,296,295,301,302,18,268,267,273,274,300,299,305,306,18,269,268,274,275,301,300,306,307,18,270,269,275,276,302,301,307,308,18,274,273,279,280,306,305,311,312,18,275,274,280,281,307,306,312,313,18,276,275,281,282,308,307,313,314])
-        self.assertTrue(mm3D.getMeshAtLevel(0).getNodalConnectivity().isEqual(d))
-        d=DataArrayInt([0,7,14,21,28,35,42,49,56,63,70,77,84,91,98,105,112,119,126,133,140,147,154,161,168,175,182,189,196,203,210,217,224,231,238,245,252,259,266,273,280,287,294,301,308,315,322,329,336,343,350,357,364,371,378,385,392,399,406,413,420,427,434,441,448,455,462,469,476,483,490,497,504,511,518,525,532,539,546,553,560,567,574,581,588,595,602,609,616,623,630,637,644,651,658,665,672,679,686,693,700,707,714,721,728,735,742,749,756,763,770,777,784,791,798,805,812,819,826,833,840,847,854,861,868,875,882,889,896,903,910,917,924,931,938,945,952,959,966,973,980,987,994,1001,1008,1015,1022,1029,1036,1043,1050,1057,1064,1071,1078,1085,1092,1099,1106,1113,1120,1127,1134,1141,1148,1155,1162,1169,1176,1183,1190,1197,1204,1211,1218,1225,1232,1239,1246,1253,1260,1267,1274,1281,1288,1295,1302,1309,1316,1323,1330,1337,1344,1351,1358,1365,1372,1379,1386,1393,1400,1407,1414,1421,1428,1435,1442,1449,1456,1463,1470,1477,1484,1491,1498,1505,1512,1521,1530,1539,1548,1557,1566,1575,1584,1593,1602,1611,1620,1629,1638,1647,1656,1665,1674,1683,1692,1701,1710,1719,1728,1737,1746,1755,1764,1773,1782,1791,1800,1809,1818,1827,1836,1845,1854,1863,1872,1881,1890,1899,1908,1917,1926,1935,1944,1953,1962,1971,1980,1989,1998,2007,2016,2025,2034,2043,2052,2061,2070,2079,2088,2097,2106,2115,2124,2133,2142,2151,2160,2169,2178,2187,2196,2205,2214,2223,2232,2241])
-        self.assertTrue(mm3D.getMeshAtLevel(0).getNodalConnectivityIndex().isEqual(d))
-        d=DataArrayInt([4,1,0,32,33,4,0,5,37,32,4,5,1,33,37,4,5,6,38,37,4,6,1,33,38,4,2,1,33,34,4,6,2,34,38,4,6,7,39,38,4,7,2,34,39,4,3,2,34,35,4,7,3,35,39,4,7,8,40,39,4,8,3,35,40,4,5,4,36,37,4,4,10,42,36,4,10,5,37,42,4,10,11,43,42,4,11,5,37,43,4,9,8,40,41,4,8,14,46,40,4,14,9,41,46,4,14,15,47,46,4,15,9,41,47,4,10,16,48,42,4,16,11,43,48,4,16,17,49,48,4,17,11,43,49,4,14,20,52,46,4,20,15,47,52,4,20,21,53,52,4,21,15,47,53,4,16,22,54,48,4,22,17,49,54,4,22,23,55,54,4,23,17,49,55,4,20,26,58,52,4,26,21,53,58,4,26,27,59,58,4,27,21,53,59,4,24,23,55,56,4,23,28,60,55,4,28,24,56,60,4,28,29,61,60,4,29,24,56,61,4,25,24,56,57,4,29,25,57,61,4,29,30,62,61,4,30,25,57,62,4,26,25,57,58,4,30,26,58,62,4,30,31,63,62,4,31,26,58,63,4,11,12,44,43,4,12,6,38,44,4,12,13,45,44,4,13,7,39,45,4,13,14,46,45,4,17,18,50,49,4,18,12,44,50,4,18,19,51,50,4,19,13,45,51,4,19,20,52,51,4,24,18,50,56,4,25,19,51,57,4,33,32,64,65,4,32,37,69,64,4,37,33,65,69,4,37,38,70,69,4,38,33,65,70,4,34,33,65,66,4,38,34,66,70,4,38,39,71,70,4,39,34,66,71,4,35,34,66,67,4,39,35,67,71,4,39,40,72,71,4,40,35,67,72,4,37,36,68,69,4,36,42,74,68,4,42,37,69,74,4,42,43,75,74,4,43,37,69,75,4,41,40,72,73,4,40,46,78,72,4,46,41,73,78,4,46,47,79,78,4,47,41,73,79,4,42,48,80,74,4,48,43,75,80,4,48,49,81,80,4,49,43,75,81,4,46,52,84,78,4,52,47,79,84,4,52,53,85,84,4,53,47,79,85,4,48,54,86,80,4,54,49,81,86,4,54,55,87,86,4,55,49,81,87,4,52,58,90,84,4,58,53,85,90,4,58,59,91,90,4,59,53,85,91,4,56,55,87,88,4,55,60,92,87,4,60,56,88,92,4,60,61,93,92,4,61,56,88,93,4,57,56,88,89,4,61,57,89,93,4,61,62,94,93,4,62,57,89,94,4,58,57,89,90,4,62,58,90,94,4,62,63,95,94,4,63,58,90,95,4,43,44,76,75,4,44,38,70,76,4,44,45,77,76,4,45,39,71,77,4,45,46,78,77,4,49,50,82,81,4,50,44,76,82,4,50,51,83,82,4,51,45,77,83,4,51,52,84,83,4,56,50,82,88,4,57,51,83,89,4,65,64,96,97,4,64,69,101,96,4,69,65,97,101,4,69,70,102,101,4,70,65,97,102,4,66,65,97,98,4,70,66,98,102,4,70,71,103,102,4,71,66,98,103,4,67,66,98,99,4,71,67,99,103,4,71,72,104,103,4,72,67,99,104,4,69,68,100,101,4,68,74,106,100,4,74,69,101,106,4,74,75,107,106,4,75,69,101,107,4,73,72,104,105,4,72,78,110,104,4,78,73,105,110,4,78,79,111,110,4,79,73,105,111,4,74,80,112,106,4,80,75,107,112,4,80,81,113,112,4,81,75,107,113,4,78,84,116,110,4,84,79,111,116,4,84,85,117,116,4,85,79,111,117,4,80,86,118,112,4,86,81,113,118,4,86,87,119,118,4,87,81,113,119,4,84,90,122,116,4,90,85,117,122,4,90,91,123,122,4,91,85,117,123,4,88,87,119,120,4,87,92,124,119,4,92,88,120,124,4,92,93,125,124,4,93,88,120,125,4,89,88,120,121,4,93,89,121,125,4,93,94,126,125,4,94,89,121,126,4,90,89,121,122,4,94,90,122,126,4,94,95,127,126,4,95,90,122,127,4,75,76,108,107,4,76,70,102,108,4,76,77,109,108,4,77,71,103,109,4,77,78,110,109,4,81,82,114,113,4,82,76,108,114,4,82,83,115,114,4,83,77,109,115,4,83,84,116,115,4,88,82,114,120,4,89,83,115,121,4,97,96,128,129,4,96,101,133,128,4,101,97,129,133,4,101,102,134,133,4,102,97,129,134,4,98,97,129,130,4,102,98,130,134,4,102,103,135,134,4,103,98,130,135,4,99,98,130,131,4,103,99,131,135,4,103,104,136,135,4,104,99,131,136,4,101,100,132,133,4,100,106,138,132,4,106,101,133,138,4,106,107,139,138,4,107,101,133,139,4,105,104,136,137,4,104,110,142,136,4,110,105,137,142,4,110,111,143,142,4,111,105,137,143,4,106,112,144,138,4,112,107,139,144,4,112,113,145,144,4,113,107,139,145,4,110,116,148,142,4,116,111,143,148,4,116,117,149,148,4,117,111,143,149,4,112,118,150,144,4,118,113,145,150,4,118,119,151,150,4,119,113,145,151,4,116,122,154,148,4,122,117,149,154,4,122,123,155,154,4,123,117,149,155,4,120,119,151,152,4,119,124,156,151,4,124,120,152,156,4,124,125,157,156,4,125,120,152,157,4,121,120,152,153,4,125,121,153,157,4,125,126,158,157,4,126,121,153,158,4,122,121,153,154,4,126,122,154,158,4,126,127,159,158,4,127,122,154,159,4,107,108,140,139,4,108,102,134,140,4,108,109,141,140,4,109,103,135,141,4,109,110,142,141,4,113,114,146,145,4,114,108,140,146,4,114,115,147,146,4,115,109,141,147,4,115,116,148,147,4,120,114,146,152,4,121,115,147,153,4,129,128,160,161,4,128,133,165,160,4,133,129,161,165,4,133,134,166,165,4,134,129,161,166,4,130,129,161,162,4,134,130,162,166,4,134,135,167,166,4,135,130,162,167,4,131,130,162,163,4,135,131,163,167,4,135,136,168,167,4,136,131,163,168,4,133,132,164,165,4,132,138,170,164,4,138,133,165,170,4,138,139,171,170,4,139,133,165,171,4,137,136,168,169,4,136,142,174,168,4,142,137,169,174,4,142,143,175,174,4,143,137,169,175,4,138,144,176,170,4,144,139,171,176,4,144,145,177,176,4,145,139,171,177,4,142,148,180,174,4,148,143,175,180,4,148,149,181,180,4,149,143,175,181,4,144,150,182,176,4,150,145,177,182,4,150,151,183,182,4,151,145,177,183,4,148,154,186,180,4,154,149,181,186,4,154,155,187,186,4,155,149,181,187,4,152,151,183,184,4,151,156,188,183,4,156,152,184,188,4,156,157,189,188,4,157,152,184,189,4,153,152,184,185,4,157,153,185,189,4,157,158,190,189,4,158,153,185,190,4,154,153,185,186,4,158,154,186,190,4,158,159,191,190,4,159,154,186,191,4,139,140,172,171,4,140,134,166,172,4,140,141,173,172,4,141,135,167,173,4,141,142,174,173,4,145,146,178,177,4,146,140,172,178,4,146,147,179,178,4,147,141,173,179,4,147,148,180,179,4,152,146,178,184,4,153,147,179,185,4,161,160,192,193,4,160,165,197,192,4,165,161,193,197,4,165,166,198,197,4,166,161,193,198,4,162,161,193,194,4,166,162,194,198,4,166,167,199,198,4,167,162,194,199,4,163,162,194,195,4,167,163,195,199,4,167,168,200,199,4,168,163,195,200,4,165,164,196,197,4,164,170,202,196,4,170,165,197,202,4,170,171,203,202,4,171,165,197,203,4,169,168,200,201,4,168,174,206,200,4,174,169,201,206,4,174,175,207,206,4,175,169,201,207,4,170,176,208,202,4,176,171,203,208,4,176,177,209,208,4,177,171,203,209,4,174,180,212,206,4,180,175,207,212,4,180,181,213,212,4,181,175,207,213,4,176,182,214,208,4,182,177,209,214,4,182,183,215,214,4,183,177,209,215,4,180,186,218,212,4,186,181,213,218,4,186,187,219,218,4,187,181,213,219,4,184,183,215,216,4,183,188,220,215,4,188,184,216,220,4,188,189,221,220,4,189,184,216,221,4,185,184,216,217,4,189,185,217,221,4,189,190,222,221,4,190,185,217,222,4,186,185,217,218,4,190,186,218,222,4,190,191,223,222,4,191,186,218,223,4,171,172,204,203,4,172,166,198,204,4,172,173,205,204,4,173,167,199,205,4,173,174,206,205,4,177,178,210,209,4,178,172,204,210,4,178,179,211,210,4,179,173,205,211,4,179,180,212,211,4,184,178,210,216,4,185,179,211,217,4,193,192,224,225,4,192,197,229,224,4,197,193,225,229,4,197,198,230,229,4,198,193,225,230,4,194,193,225,226,4,198,194,226,230,4,198,199,231,230,4,199,194,226,231,4,195,194,226,227,4,199,195,227,231,4,199,200,232,231,4,200,195,227,232,4,197,196,228,229,4,196,202,234,228,4,202,197,229,234,4,202,203,235,234,4,203,197,229,235,4,201,200,232,233,4,200,206,238,232,4,206,201,233,238,4,206,207,239,238,4,207,201,233,239,4,202,208,240,234,4,208,203,235,240,4,208,209,241,240,4,209,203,235,241,4,206,212,244,238,4,212,207,239,244,4,212,213,245,244,4,213,207,239,245,4,208,214,246,240,4,214,209,241,246,4,214,215,247,246,4,215,209,241,247,4,212,218,250,244,4,218,213,245,250,4,218,219,251,250,4,219,213,245,251,4,216,215,247,248,4,215,220,252,247,4,220,216,248,252,4,220,221,253,252,4,221,216,248,253,4,217,216,248,249,4,221,217,249,253,4,221,222,254,253,4,222,217,249,254,4,218,217,249,250,4,222,218,250,254,4,222,223,255,254,4,223,218,250,255,4,203,204,236,235,4,204,198,230,236,4,204,205,237,236,4,205,199,231,237,4,205,206,238,237,4,209,210,242,241,4,210,204,236,242,4,210,211,243,242,4,211,205,237,243,4,211,212,244,243,4,216,210,242,248,4,217,211,243,249,4,225,224,256,257,4,224,229,261,256,4,229,225,257,261,4,229,230,262,261,4,230,225,257,262,4,226,225,257,258,4,230,226,258,262,4,230,231,263,262,4,231,226,258,263,4,227,226,258,259,4,231,227,259,263,4,231,232,264,263,4,232,227,259,264,4,229,228,260,261,4,228,234,266,260,4,234,229,261,266,4,234,235,267,266,4,235,229,261,267,4,233,232,264,265,4,232,238,270,264,4,238,233,265,270,4,238,239,271,270,4,239,233,265,271,4,234,240,272,266,4,240,235,267,272,4,240,241,273,272,4,241,235,267,273,4,238,244,276,270,4,244,239,271,276,4,244,245,277,276,4,245,239,271,277,4,240,246,278,272,4,246,241,273,278,4,246,247,279,278,4,247,241,273,279,4,244,250,282,276,4,250,245,277,282,4,250,251,283,282,4,251,245,277,283,4,248,247,279,280,4,247,252,284,279,4,252,248,280,284,4,252,253,285,284,4,253,248,280,285,4,249,248,280,281,4,253,249,281,285,4,253,254,286,285,4,254,249,281,286,4,250,249,281,282,4,254,250,282,286,4,254,255,287,286,4,255,250,282,287,4,235,236,268,267,4,236,230,262,268,4,236,237,269,268,4,237,231,263,269,4,237,238,270,269,4,241,242,274,273,4,242,236,268,274,4,242,243,275,274,4,243,237,269,275,4,243,244,276,275,4,248,242,274,280,4,249,243,275,281,4,257,256,288,289,4,256,261,293,288,4,261,257,289,293,4,261,262,294,293,4,262,257,289,294,4,258,257,289,290,4,262,258,290,294,4,262,263,295,294,4,263,258,290,295,4,259,258,290,291,4,263,259,291,295,4,263,264,296,295,4,264,259,291,296,4,261,260,292,293,4,260,266,298,292,4,266,261,293,298,4,266,267,299,298,4,267,261,293,299,4,265,264,296,297,4,264,270,302,296,4,270,265,297,302,4,270,271,303,302,4,271,265,297,303,4,266,272,304,298,4,272,267,299,304,4,272,273,305,304,4,273,267,299,305,4,270,276,308,302,4,276,271,303,308,4,276,277,309,308,4,277,271,303,309,4,272,278,310,304,4,278,273,305,310,4,278,279,311,310,4,279,273,305,311,4,276,282,314,308,4,282,277,309,314,4,282,283,315,314,4,283,277,309,315,4,280,279,311,312,4,279,284,316,311,4,284,280,312,316,4,284,285,317,316,4,285,280,312,317,4,281,280,312,313,4,285,281,313,317,4,285,286,318,317,4,286,281,313,318,4,282,281,313,314,4,286,282,314,318,4,286,287,319,318,4,287,282,314,319,4,267,268,300,299,4,268,262,294,300,4,268,269,301,300,4,269,263,295,301,4,269,270,302,301,4,273,274,306,305,4,274,268,300,306,4,274,275,307,306,4,275,269,301,307,4,275,276,308,307,4,280,274,306,312,4,281,275,307,313])
-        self.assertTrue(mm3D.getMeshAtLevel(-1).getNodalConnectivity().isEqual(d))
-        d=DataArrayInt(577) ; d.iota(0) ; d*=5
-        self.assertTrue(mm3D.getMeshAtLevel(-1).getNodalConnectivityIndex().isEqual(d))
-        #
-        self.assertEqual(mm3D.getGroupArr(0,"grp0").getName(),"grp0")
-        self.assertEqual(mm3D.getGroupArr(-1,"grp1").getName(),"grp1")
-        self.assertTrue(mm3D.getGroupArr(0,"grp0").isEqualWithoutConsideringStr(DataArrayInt([0,1,2,3,4,5,24,25,26,27,28,29,48,49,50,51,52,53,72,73,74,75,76,77,96,97,98,99,100,101,120,121,122,123,124,125,144,145,146,147,148,149,168,169,170,171,172,173,192,193,194,195,196,197,216,217,218,225,226,227,234,235,236,243,244,245,252,253,254,261,262,263,270,271,272,279,280,281,288,289,290])))
-        self.assertTrue(mm3D.getGroupArr(-1,"grp1").isEqualWithoutConsideringStr(DataArrayInt([0,1,5,9,12,13,14,18,22,23,30,31,33,37,38,40,42,46,50,51,64,65,69,73,76,77,78,82,86,87,94,95,97,101,102,104,106,110,114,115,128,129,133,137,140,141,142,146,150,151,158,159,161,165,166,168,170,174,178,179,192,193,197,201,204,205,206,210,214,215,222,223,225,229,230,232,234,238,242,243,256,257,261,265,268,269,270,274,278,279,286,287,289,293,294,296,298,302,306,307,320,321,325,329,332,333,334,338,342,343,350,351,353,357,358,360,362,366,370,371,384,385,389,393,396,397,398,402,406,407,414,415,417,421,422,424,426,430,434,435,448,449,453,457,460,461,462,466,470,471,478,479,481,485,486,488,490,494,498,499,512,513,517,521,524,525,526,530,534,535,542,543,545,549,550,552,554,558,562,563])))
+        d=DataArrayInt([16,1,0,5,33,32,37,16,1,5,6,33,37,38,16,2,1,6,34,33,38,16,2,6,7,34,38,39,16,3,2,7,35,34,39,16,3,7,8,35,39,40,16,5,4,10,37,36,42,16,5,10,11,37,42,43,16,9,8,14,41,40,46,16,9,14,15,41,46,47,16,11,10,16,43,42,48,16,11,16,17,43,48,49,16,15,14,20,47,46,52,16,15,20,21,47,52,53,16,17,16,22,49,48,54,16,17,22,23,49,54,55,16,21,20,26,53,52,58,16,21,26,27,53,58,59,16,24,23,28,56,55,60,16,24,28,29,56,60,61,16,25,24,29,57,56,61,16,25,29,30,57,61,62,16,26,25,30,58,57,62,16,26,30,31,58,62,63,16,33,32,37,65,64,69,16,33,37,38,65,69,70,16,34,33,38,66,65,70,16,34,38,39,66,70,71,16,35,34,39,67,66,71,16,35,39,40,67,71,72,16,37,36,42,69,68,74,16,37,42,43,69,74,75,16,41,40,46,73,72,78,16,41,46,47,73,78,79,16,43,42,48,75,74,80,16,43,48,49,75,80,81,16,47,46,52,79,78,84,16,47,52,53,79,84,85,16,49,48,54,81,80,86,16,49,54,55,81,86,87,16,53,52,58,85,84,90,16,53,58,59,85,90,91,16,56,55,60,88,87,92,16,56,60,61,88,92,93,16,57,56,61,89,88,93,16,57,61,62,89,93,94,16,58,57,62,90,89,94,16,58,62,63,90,94,95,18,6,5,11,12,38,37,43,44,18,7,6,12,13,39,38,44,45,18,8,7,13,14,40,39,45,46,18,12,11,17,18,44,43,49,50,18,13,12,18,19,45,44,50,51,18,14,13,19,20,46,45,51,52,18,18,17,23,24,50,49,55,56,18,19,18,24,25,51,50,56,57,18,20,19,25,26,52,51,57,58,18,38,37,43,44,70,69,75,76,18,39,38,44,45,71,70,76,77,18,40,39,45,46,72,71,77,78,18,44,43,49,50,76,75,81,82,18,45,44,50,51,77,76,82,83,18,46,45,51,52,78,77,83,84,18,50,49,55,56,82,81,87,88,18,51,50,56,57,83,82,88,89,18,52,51,57,58,84,83,89,90])
+        self.assertTrue(mm3D[0].getNodalConnectivity().isEqual(d))
+        d=DataArrayInt([0,7,14,21,28,35,42,49,56,63,70,77,84,91,98,105,112,119,126,133,140,147,154,161,168,175,182,189,196,203,210,217,224,231,238,245,252,259,266,273,280,287,294,301,308,315,322,329,336,345,354,363,372,381,390,399,408,417,426,435,444,453,462,471,480,489,498])
+        self.assertTrue(mm3D[0].getNodalConnectivityIndex().isEqual(d))
+        d=DataArrayInt([3,1,0,5,3,1,5,6,3,2,1,6,3,2,6,7,3,3,2,7,3,3,7,8,3,5,4,10,3,5,10,11,3,9,8,14,3,9,14,15,3,11,10,16,3,11,16,17,3,15,14,20,3,15,20,21,3,17,16,22,3,17,22,23,3,21,20,26,3,21,26,27,3,24,23,28,3,24,28,29,3,25,24,29,3,25,29,30,3,26,25,30,3,26,30,31,3,65,64,69,3,65,69,70,3,66,65,70,3,66,70,71,3,67,66,71,3,67,71,72,3,69,68,74,3,69,74,75,3,73,72,78,3,73,78,79,3,75,74,80,3,75,80,81,3,79,78,84,3,79,84,85,3,81,80,86,3,81,86,87,3,85,84,90,3,85,90,91,3,88,87,92,3,88,92,93,3,89,88,93,3,89,93,94,3,90,89,94,3,90,94,95,4,1,0,32,33,4,0,5,37,32,4,5,1,33,37,4,5,6,38,37,4,6,1,33,38,4,2,1,33,34,4,6,2,34,38,4,6,7,39,38,4,7,2,34,39,4,3,2,34,35,4,7,3,35,39,4,7,8,40,39,4,8,3,35,40,4,5,4,36,37,4,4,10,42,36,4,10,5,37,42,4,10,11,43,42,4,11,5,37,43,4,9,8,40,41,4,8,14,46,40,4,14,9,41,46,4,14,15,47,46,4,15,9,41,47,4,10,16,48,42,4,16,11,43,48,4,16,17,49,48,4,17,11,43,49,4,14,20,52,46,4,20,15,47,52,4,20,21,53,52,4,21,15,47,53,4,16,22,54,48,4,22,17,49,54,4,22,23,55,54,4,23,17,49,55,4,20,26,58,52,4,26,21,53,58,4,26,27,59,58,4,27,21,53,59,4,24,23,55,56,4,23,28,60,55,4,28,24,56,60,4,28,29,61,60,4,29,24,56,61,4,25,24,56,57,4,29,25,57,61,4,29,30,62,61,4,30,25,57,62,4,26,25,57,58,4,30,26,58,62,4,30,31,63,62,4,31,26,58,63,4,11,12,44,43,4,12,6,38,44,4,12,13,45,44,4,13,7,39,45,4,13,14,46,45,4,17,18,50,49,4,18,12,44,50,4,18,19,51,50,4,19,13,45,51,4,19,20,52,51,4,24,18,50,56,4,25,19,51,57,4,33,32,64,65,4,32,37,69,64,4,37,33,65,69,4,37,38,70,69,4,38,33,65,70,4,34,33,65,66,4,38,34,66,70,4,38,39,71,70,4,39,34,66,71,4,35,34,66,67,4,39,35,67,71,4,39,40,72,71,4,40,35,67,72,4,37,36,68,69,4,36,42,74,68,4,42,37,69,74,4,42,43,75,74,4,43,37,69,75,4,41,40,72,73,4,40,46,78,72,4,46,41,73,78,4,46,47,79,78,4,47,41,73,79,4,42,48,80,74,4,48,43,75,80,4,48,49,81,80,4,49,43,75,81,4,46,52,84,78,4,52,47,79,84,4,52,53,85,84,4,53,47,79,85,4,48,54,86,80,4,54,49,81,86,4,54,55,87,86,4,55,49,81,87,4,52,58,90,84,4,58,53,85,90,4,58,59,91,90,4,59,53,85,91,4,56,55,87,88,4,55,60,92,87,4,60,56,88,92,4,60,61,93,92,4,61,56,88,93,4,57,56,88,89,4,61,57,89,93,4,61,62,94,93,4,62,57,89,94,4,58,57,89,90,4,62,58,90,94,4,62,63,95,94,4,63,58,90,95,4,43,44,76,75,4,44,38,70,76,4,44,45,77,76,4,45,39,71,77,4,45,46,78,77,4,49,50,82,81,4,50,44,76,82,4,50,51,83,82,4,51,45,77,83,4,51,52,84,83,4,56,50,82,88,4,57,51,83,89,4,6,5,11,12,4,7,6,12,13,4,8,7,13,14,4,12,11,17,18,4,13,12,18,19,4,14,13,19,20,4,18,17,23,24,4,19,18,24,25,4,20,19,25,26,4,70,69,75,76,4,71,70,76,77,4,72,71,77,78,4,76,75,81,82,4,77,76,82,83,4,78,77,83,84,4,82,81,87,88,4,83,82,88,89,4,84,83,89,90])
+        self.assertTrue(mm3D[-1].getNodalConnectivity().isEqual(d))
+        d=DataArrayInt([0,4,8,12,16,20,24,28,32,36,40,44,48,52,56,60,64,68,72,76,80,84,88,92,96,100,104,108,112,116,120,124,128,132,136,140,144,148,152,156,160,164,168,172,176,180,184,188,192,197,202,207,212,217,222,227,232,237,242,247,252,257,262,267,272,277,282,287,292,297,302,307,312,317,322,327,332,337,342,347,352,357,362,367,372,377,382,387,392,397,402,407,412,417,422,427,432,437,442,447,452,457,462,467,472,477,482,487,492,497,502,507,512,517,522,527,532,537,542,547,552,557,562,567,572,577,582,587,592,597,602,607,612,617,622,627,632,637,642,647,652,657,662,667,672,677,682,687,692,697,702,707,712,717,722,727,732,737,742,747,752,757,762,767,772,777,782,787,792,797,802,807,812,817,822,827,832,837,842,847,852,857,862,867,872,877,882,887,892,897,902,907,912,917,922])
+        self.assertTrue(mm3D[-1].getNodalConnectivityIndex().isEqual(d))
+        d=DataArrayInt([1,1,0,1,0,5,1,5,1,1,5,6,1,6,1,1,2,1,1,6,2,1,6,7,1,7,2,1,3,2,1,7,3,1,7,8,1,8,3,1,5,4,1,4,10,1,10,5,1,10,11,1,11,5,1,9,8,1,8,14,1,14,9,1,14,15,1,15,9,1,10,16,1,16,11,1,16,17,1,17,11,1,14,20,1,20,15,1,20,21,1,21,15,1,16,22,1,22,17,1,22,23,1,23,17,1,20,26,1,26,21,1,26,27,1,27,21,1,24,23,1,23,28,1,28,24,1,28,29,1,29,24,1,25,24,1,29,25,1,29,30,1,30,25,1,26,25,1,30,26,1,30,31,1,31,26,1,11,12,1,12,6,1,12,13,1,13,7,1,13,14,1,17,18,1,18,12,1,18,19,1,19,13,1,19,20,1,24,18,1,25,19,1,65,64,1,64,69,1,69,65,1,69,70,1,70,65,1,66,65,1,70,66,1,70,71,1,71,66,1,67,66,1,71,67,1,71,72,1,72,67,1,69,68,1,68,74,1,74,69,1,74,75,1,75,69,1,73,72,1,72,78,1,78,73,1,78,79,1,79,73,1,74,80,1,80,75,1,80,81,1,81,75,1,78,84,1,84,79,1,84,85,1,85,79,1,80,86,1,86,81,1,86,87,1,87,81,1,84,90,1,90,85,1,90,91,1,91,85,1,88,87,1,87,92,1,92,88,1,92,93,1,93,88,1,89,88,1,93,89,1,93,94,1,94,89,1,90,89,1,94,90,1,94,95,1,95,90,1,75,76,1,76,70,1,76,77,1,77,71,1,77,78,1,81,82,1,82,76,1,82,83,1,83,77,1,83,84,1,88,82,1,89,83])
+        self.assertTrue(mm3D[-2].getNodalConnectivity().isEqual(d))
+        d=DataArrayInt(129) ; d.iota() ; d*=3
+        self.assertTrue(mm3D[-2].getNodalConnectivityIndex().isEqual(d))
+        #
+        self.assertEqual(mm3D.getGroupArr(-1,"grp0").getName(),"grp0")
+        self.assertEqual(mm3D.getGroupArr(-2,"grp1").getName(),"grp1")
+        self.assertTrue(mm3D.getGroupArr(-1,"grp0").isEqualWithoutConsideringStr(DataArrayInt([0,1,2,3,4,5,176,177,178])))
+        self.assertTrue(mm3D.getGroupArr(-1,"grp0_top").isEqualWithoutConsideringStr(DataArrayInt([24,25,26,27,28,29,185,186,187])))
+        self.assertTrue(mm3D.getGroupArr(-2,"grp1").isEqualWithoutConsideringStr(DataArrayInt([0,1,5,9,12,13,14,18,22,23,30,31,33,37,38,40,42,46,50,51])))
+        self.assertTrue(mm3D.getGroupArr(-2,"grp1_top").isEqualWithoutConsideringStr(DataArrayInt([64,65,69,73,76,77,78,82,86,87,94,95,97,101,102,104,106,110,114,115])))
+        self.assertTrue(mm3D.getGroupArr(0,"grp0_extruded").isEqualWithoutConsideringStr(DataArrayInt([0,1,2,3,4,5,24,25,26,27,28,29,48,49,50,57,58,59])))
+        self.assertTrue(mm3D.getGroupArr(-1,"grp1_extruded").isEqualWithoutConsideringStr(DataArrayInt([48,49,53,57,60,61,62,66,70,71,78,79,81,85,86,88,90,94,98,99,112,113,117,121,124,125,126,130,134,135,142,143,145,149,150,152,154,158,162,163])))
+        mm3D.setName("MeshExtruded")
+        mm3D.write(fileName,0)
+        pass
+
+    @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
+    def testMEDFileUMeshPickeling1(self):
+        import cPickle
+        outFileName="Pyfile86.med"
+        c=DataArrayDouble([-0.3,-0.3, 0.2,-0.3, 0.7,-0.3, -0.3,0.2, 0.2,0.2, 0.7,0.2, -0.3,0.7, 0.2,0.7, 0.7,0.7 ],9,2)
+        c.setInfoOnComponents(["aa","bbb"])
+        targetConn=[0,3,4,1, 1,4,2, 4,5,2, 6,7,4,3, 7,8,5,4]
+        m=MEDCouplingUMesh();
+        m.setMeshDimension(2);
+        m.allocateCells(5);
+        m.insertNextCell(NORM_TRI3,3,targetConn[4:7])
+        m.insertNextCell(NORM_TRI3,3,targetConn[7:10])
+        m.insertNextCell(NORM_QUAD4,4,targetConn[0:4])
+        m.insertNextCell(NORM_POLYGON,4,targetConn[10:14])
+        m.insertNextCell(NORM_POLYGON,4,targetConn[14:18])
+        m.finishInsertingCells();
+        m.setCoords(c)
+        m.checkConsistencyLight()
+        m1=MEDCouplingUMesh.New();
+        m1.setMeshDimension(1);
+        m1.allocateCells(3);
+        m1.insertNextCell(NORM_SEG2,2,[1,4])
+        m1.insertNextCell(NORM_SEG2,2,[3,6])
+        m1.insertNextCell(NORM_SEG3,3,[2,8,5])
+        m1.finishInsertingCells();
+        m1.setCoords(c)
+        m1.checkConsistencyLight()
+        m2=MEDCouplingUMesh.New();
+        m2.setMeshDimension(0);
+        m2.allocateCells(4);
+        m2.insertNextCell(NORM_POINT1,1,[1])
+        m2.insertNextCell(NORM_POINT1,1,[3])
+        m2.insertNextCell(NORM_POINT1,1,[2])
+        m2.insertNextCell(NORM_POINT1,1,[6])
+        m2.finishInsertingCells();
+        m2.setCoords(c)
+        m2.checkConsistencyLight()
+        #
+        mm=MEDFileUMesh.New()
+        self.assertTrue(mm.getUnivNameWrStatus())
+        mm.setName("MyFirstMEDCouplingMEDmesh")
+        mm.setDescription("IHopeToConvinceLastMEDMEMUsers")
+        mm.setCoords(c)
+        mm[-1]=m1;
+        mm[0]=m;
+        mm.setRenumFieldArr(0,DataArrayInt([32,41,50,56,7]))
+        mm[-2]=m2;
+        mm.setRenumFieldArr(-2,DataArrayInt([102,52,45,63]))
+        # playing with groups
+        g1_2=DataArrayInt.New()
+        g1_2.setValues([1,3],2,1)
+        g1_2.setName("G1")
+        g2_2=DataArrayInt.New()
+        g2_2.setValues([1,2,3],3,1)
+        g2_2.setName("G2")
+        mm.setGroupsAtLevel(0,[g1_2,g2_2],False)
+        g1_1=DataArrayInt.New()
+        g1_1.setValues([0,1,2],3,1)
+        g1_1.setName("G1")
+        g2_1=DataArrayInt.New()
+        g2_1.setValues([0,2],2,1)
+        g2_1.setName("G2")
+        mm.setGroupsAtLevel(-1,[g1_1,g2_1],False)
+        g1_N=DataArrayInt.New()
+        g1_N.setValues(range(8),8,1)
+        g1_N.setName("G1")
+        g2_N=DataArrayInt.New()
+        g2_N.setValues(range(9),9,1)
+        g2_N.setName("G2")
+        mm.setGroupsAtLevel(1,[g1_N,g2_N],False)
+        mm.createGroupOnAll(0,"GrpOnAllCell")
+        # check content of mm
+        t=mm.getGroupArr(0,"G1",False)
+        self.assertTrue(g1_2.isEqual(t));
+        t=mm.getGroupArr(0,"G2",False)
+        self.assertTrue(g2_2.isEqual(t));
+        t=mm.getGroupArr(-1,"G1",False)
+        self.assertTrue(g1_1.isEqual(t));
+        t=mm.getGroupArr(-1,"G2",False)
+        self.assertTrue(g2_1.isEqual(t));
+        t=mm.getGroupArr(1,"G1",False)
+        self.assertTrue(g1_N.isEqual(t));
+        t=mm.getGroupArr(1,"G2",False)
+        self.assertTrue(g2_N.isEqual(t));
+        self.assertTrue(mm.existsGroup("GrpOnAllCell"));
+        t=mm.getGroupArr(0,"GrpOnAllCell")
+        #
+        st=cPickle.dumps(mm,cPickle.HIGHEST_PROTOCOL)
+        mm2=cPickle.loads(st)
+        self.assertTrue(mm.isEqual(mm2,1e-12)[0])
+        self.assertEqual(mm.getAxisType(),AX_CART)
+        #
+        mm.setAxisType(AX_CYL)
+        st=cPickle.dumps(mm,cPickle.HIGHEST_PROTOCOL)
+        mm2=cPickle.loads(st)
+        self.assertTrue(mm.isEqual(mm2,1e-12)[0])
+        self.assertEqual(mm2.getAxisType(),AX_CYL)
+        pass
+
+    def testMEDFileFieldsLoadSpecificEntities1(self):
+        nbNodes=11
+        fieldName="myField"
+        fileName="Pyfile87.med"
+        nbPdt=10
+        meshName="Mesh"
+        #
+        m=MEDCouplingCMesh()
+        arr=DataArrayDouble(nbNodes) ; arr.iota()
+        m.setCoords(arr)
+        m=m.buildUnstructured()
+        m.setName(meshName)
+        #
+        fmts=MEDFileFieldMultiTS()
+        for i in xrange(nbPdt):
+            f=MEDCouplingFieldDouble(ON_NODES)
+            f.setMesh(m)
+            arr=DataArrayDouble(nbNodes) ; arr.iota() ; arr*=i
+            f.setArray(arr)
+            f.setName(fieldName)
+            f.setTime(float(i),i,0)
+            fmts.appendFieldNoProfileSBT(f)
+            pass
+        #
+        mm=MEDFileUMesh() ; mm[0]=m
+        fmts.write(fileName,2)
+        mm.write(fileName,0)
+        #
+        fs=MEDFileFields(fileName,False)
+        fs2=MEDFileFields.LoadSpecificEntities(fileName,[(ON_NODES,NORM_ERROR)],False)
+        fs.loadArraysIfNecessary()
+        fs2.loadArraysIfNecessary()
+        for i in xrange(nbPdt):
+            self.assertTrue(fs[fieldName][i].getUndergroundDataArray().isEqual(fs2[fieldName][i].getUndergroundDataArray(),1e-12))
+            pass
+        m1=MEDCouplingCMesh() ; m1.setCoords(DataArrayDouble([0,1,2,3]),DataArrayDouble([0,1])) ; m1=m1.buildUnstructured() ; m1.simplexize(0)
+        m2=MEDCouplingCMesh() ; m2.setCoords(DataArrayDouble([3,4,5]),DataArrayDouble([0,1])) ; m2=m2.buildUnstructured()
+        m3=MEDCouplingUMesh.MergeUMeshes(m1,m2) ; m3.setName(meshName)
+        fmts=MEDFileFieldMultiTS()
+        for i in xrange(nbPdt):
+            f=MEDCouplingFieldDouble(ON_CELLS)
+            f.setMesh(m3)
+            arr=DataArrayDouble(8) ; arr.iota() ; arr*=i
+            f.setArray(arr)
+            f.setName(fieldName)
+            f.setTime(float(i),i,0)
+            fmts.appendFieldNoProfileSBT(f)
+            pass
+        mm=MEDFileUMesh() ; mm[0]=m3
+        del mm[0]
+        self.assertEqual(mm.getNonEmptyLevels(),())
+        mm[0]=m3
+        self.assertEqual(mm.getNonEmptyLevels(),(0,))
+        fmts.write(fileName,2)
+        fs=MEDFileFields(fileName,False)
+        fs2=MEDFileFields.LoadSpecificEntities(fileName,[(ON_CELLS,NORM_TRI3)],False)
+        fs3=MEDFileFieldMultiTS.LoadSpecificEntities(fileName,fieldName,[(ON_CELLS,NORM_QUAD4)],False)
+        fs4=MEDFileFields.LoadSpecificEntities(fileName,[(ON_CELLS,NORM_TRI3),(ON_CELLS,NORM_QUAD4)],False)
+        fs.loadArraysIfNecessary()
+        fs2.loadArraysIfNecessary()
+        fs3.loadArraysIfNecessary()
+        fs4.loadArraysIfNecessary()
+        for i in xrange(nbPdt):
+            self.assertTrue(fs[fieldName][i].getUndergroundDataArray()[:6].isEqual(fs2[fieldName][i].getUndergroundDataArray(),1e-12))
+            self.assertTrue(fs[fieldName][i].getUndergroundDataArray()[6:8].isEqual(fs3[i].getUndergroundDataArray(),1e-12))
+            self.assertTrue(fs[fieldName][i].getUndergroundDataArray().isEqual(fs4[fieldName][i].getUndergroundDataArray(),1e-12))
+            pass
+        pass
+
+    def testMEDFileLotsOfTSRW1(self):
+        nbNodes=11
+        fieldName="myField"
+        fileName="Pyfile88.med"
+        nbPdt=300 # <- perftest = 30000
+        meshName="Mesh"
+        #
+        maxPdt=100 # <- optimum = 500
+        m=MEDCouplingCMesh()
+        arr=DataArrayDouble(nbNodes) ; arr.iota()
+        m.setCoords(arr)
+        m=m.buildUnstructured()
+        m.setName(meshName)
+        #
+        nbOfField=nbPdt/maxPdt
+        fs=MEDFileFields()
+        for j in xrange(nbOfField):
+            fmts=MEDFileFieldMultiTS()
+            s=DataArray.GetSlice(slice(0,nbPdt,1),j,nbOfField)
+            for i in xrange(s.start,s.stop,s.step):
+                f=MEDCouplingFieldDouble(ON_NODES)
+                f.setMesh(m)
+                arr=DataArrayDouble(nbNodes) ; arr.iota() ; arr*=i
+                f.setArray(arr)
+                f.setName("%s_%d"%(fieldName,j))
+                f.setTime(float(i),i,0)
+                fmts.appendFieldNoProfileSBT(f)
+                pass
+            fs.pushField(fmts)
+            pass
+        #
+        mm=MEDFileUMesh() ; mm[0]=m
+        fs.write(fileName,2)
+        mm.write(fileName,0)
+        ############
+        def appendInDict(d,key,val):
+            if key in d:
+                d[key].append(val)
+            else:
+                d[key]=[val]
+            pass
+        import re
+        allFields=GetAllFieldNames(fileName)
+        allFieldsDict={}
+        pat=re.compile("([\d]+)([\s\S]+)$")
+        for st in allFields:
+            stRev=st[::-1]
+            m=pat.match(stRev)
+            if m:
+                appendInDict(allFieldsDict,m.group(2)[::-1],m.group(1)[::-1])
+                pass
+            else:
+                appendInDict(allFieldsDict,st,'')
+                pass
+            pass
+        fs2=MEDFileFields()
+        for k in allFieldsDict:
+            if allFieldsDict[k]!=['']:
+                allFieldsDict[k]=sorted(allFieldsDict[k],key=lambda x: int(x))
+                pass
+            fmts2=[]
+            for it in allFieldsDict[k]:
+                fmts2.append(MEDFileFieldMultiTS.LoadSpecificEntities(fileName,k+it,[(ON_NODES,NORM_ERROR)]))
+                pass
+            fmts2.reverse()
+            zeResu=fmts2.pop()
+            nbIter=len(fmts2)
+            for ii in xrange(nbIter):
+                zeResu.pushBackTimeSteps(fmts2.pop())
+                pass
+            zeResu.setName(k)
+            fs2.pushField(zeResu)
+            pass
+        self.assertEqual(fs2[0].getTimeSteps(),[(i,0,float(i)) for i in xrange(nbPdt)])
+        pass
+    
+    def testMEDFileMeshRearrangeFamIds1(self):
+        """ Test for bug EDF10720. The aim of this test is the call of MEDFileMesh.rearrangeFamilies."""
+        fileName="Pyfile89.med"
+        meshName='Maillage_2'
+        mm=MEDFileUMesh()
+        coords=DataArrayDouble([(0.,0.,0.),(0.,0.,200.),(0.,200.,200.),(0.,200.,0.),(200.,0.,0.),(200.,0.,200.),(200.,200.,200.),(200.,200.,0.),(0.,0.,100.),(0.,100.,200.),(0.,200.,100.),(0.,100.,0.),(200.,0.,100.),(200.,100.,200.),(200.,200.,100.),(200.,100.,0.),(100.,0.,0.),(100.,0.,200.),(100.,200.,0.),(100.,200.,200.),(0.,116.87743909766768,83.12256090233232),(200.,116.87743909766768,83.12256090233232),(116.87743909766769,0.,116.87743909766769),(116.87743909766769,200.,116.87743909766769),(116.87743909766769,116.87743909766769,0.),(116.87743909766769,116.87743909766769,200.),(63.3851584383713,56.1391811199829,119.728314479261),(138.008709441123,116.039297556044,119.903790959468)])
+        #
+        c0=DataArrayInt([14,1,26,9,8,14,17,26,1,8,14,27,26,17,22,14,26,16,20,8,14,8,0,16,11,14,16,20,11,24,14,25,20,26,27,14,22,26,24,27,14,26,16,22,24,14,8,26,22,17,14,20,9,25,26,14,19,20,25,23,14,23,6,27,25,14,19,23,10,20,14,27,22,21,24,14,27,21,14,18,14,26,9,25,17,14,13,27,25,17,14,27,18,24,21,14,22,21,15,12,14,27,20,24,18,14,23,25,27,20,14,13,27,6,25,14,23,27,6,14,14,15,16,22,12,14,27,17,13,22,14,22,27,21,13,14,24,16,22,15,14,24,18,7,21,14,12,4,15,16,14,22,12,5,13,14,8,26,16,22,14,13,27,21,14,14,20,18,10,3,14,14,27,18,23,14,14,27,6,13,14,21,22,13,12,14,25,26,17,27,14,19,9,25,20,14,26,24,20,16,14,22,24,15,21,14,9,26,1,17,14,23,27,18,20,14,20,11,18,3,14,14,18,21,7,14,19,2,9,10,14,19,23,25,6,14,18,23,20,10,14,20,26,8,9,14,22,13,5,17,14,24,11,18,20,14,21,15,7,24,14,19,20,10,9,14,20,26,27,24,14,16,8,11,20])
+        c0i=DataArrayInt([0,5,10,15,20,25,30,35,40,45,50,55,60,65,70,75,80,85,90,95,100,105,110,115,120,125,130,135,140,145,150,155,160,165,170,175,180,185,190,195,200,205,210,215,220,225,230,235,240,245,250,255,260,265,270,275])
+        m0=MEDCouplingUMesh(meshName,3) ; m0.setCoords(coords)
+        m0.setConnectivity(c0,c0i)
+        mm[0]=m0
+        #
+        c1=DataArrayInt([3,8,20,11,3,8,9,20,3,9,2,10,3,20,9,10,3,0,8,11,3,9,8,1,3,20,10,3,3,11,20,3,3,15,21,12,3,5,12,13,3,21,13,12,3,15,12,4,3,14,6,13,3,14,13,21,3,7,14,21,3,7,21,15,3,5,22,12,3,4,12,16,3,17,1,8,3,16,8,0,3,5,17,22,3,12,22,16,3,22,17,8,3,16,22,8,3,10,2,19,3,7,18,14,3,14,23,6,3,3,10,18,3,23,19,6,3,18,23,14,3,10,19,23,3,10,23,18,3,3,18,11,3,7,24,18,3,15,4,16,3,11,16,0,3,7,15,24,3,18,24,11,3,24,15,16,3,11,24,16,3,9,19,2,3,19,25,6,3,17,5,13,3,1,17,9,3,25,13,6,3,9,25,19,3,17,13,25,3,17,25,9])
+        c1i=DataArrayInt([0,4,8,12,16,20,24,28,32,36,40,44,48,52,56,60,64,68,72,76,80,84,88,92,96,100,104,108,112,116,120,124,128,132,136,140,144,148,152,156,160,164,168,172,176,180,184,188,192])
+        m1=MEDCouplingUMesh(meshName,2) ; m1.setCoords(coords)
+        m1.setConnectivity(c1,c1i)
+        mm[-1]=m1
+        #
+        c2=DataArrayInt([0,8,8,1,1,9,9,2,3,10,10,2,0,11,11,3,4,12,12,5,5,13,13,6,7,14,14,6,4,15,15,7,0,16,16,4,1,17,17,5,3,18,18,7,2,19,19,6])
+        m2=MEDCoupling1SGTUMesh(meshName,NORM_SEG2)
+        m2.setNodalConnectivity(c2) ; m2.setCoords(coords)
+        mm[-2]=m2.buildUnstructured()
+        #
+        ref0=DataArrayInt(55) ; ref0[:]=0
+        mm.setFamilyFieldArr(0,ref0)
+        mm.setFamilyFieldArr(1,DataArrayInt([0,0,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]))
+        ref1=DataArrayInt([0,0,0,0,0,0,0,0,-6,-6,-6,-6,-6,-6,-6,-6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0])
+        mm.setFamilyFieldArr(-1,ref1)
+        ref2=DataArrayInt([0,0,-7,-7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0])
+        mm.setFamilyFieldArr(-2,ref2)
+        #
+        for f,fid in (('FAMILLE_ZERO',0),('FAM_-6_Groupe_1',-6),('FAM_-7_Groupe_2',-7),('FAM_2_Groupe_3',2)):
+            mm.setFamilyId(f,fid)
+        for grp,fams in [('Groupe_1',('FAM_-6_Groupe_1',)),('Groupe_2',('FAM_-7_Groupe_2',)),('Groupe_3',('FAM_2_Groupe_3',))]:
+            mm.setFamiliesOnGroup(grp,fams)
+        mm.write(fileName,2)
+        #
+        mm=MEDFileMesh.New(fileName)
+        grp=mm.getGroup(-1,"Groupe_1")
+        dai=grp.computeFetchedNodeIds()
+        dai.setName("TOTO")
+        mm.addGroup(1,dai)
+        mm.rearrangeFamilies() # <- the aim of the test
+        self.assertTrue(dai.isEqual(mm.getGroupArr(1,"TOTO")))
+        self.assertTrue(mm.getFamilyFieldAtLevel(0).isEqual(ref0))
+        self.assertTrue(mm.getFamilyFieldAtLevel(-1).isEqual(ref1))
+        self.assertTrue(mm.getFamilyFieldAtLevel(-2).isEqual(ref2))
+        self.assertTrue(mm.getFamilyFieldAtLevel(1).isEqual(DataArrayInt([0,0,2,0,9,9,9,9,0,0,0,0,9,9,9,9,0,0,0,0,0,9,0,0,0,0,0,0])))
+        allGrps=[('Groupe_1',('FAM_-6_Groupe_1',)),('Groupe_2',('FAM_-7_Groupe_2',)),('Groupe_3',('FAM_2_Groupe_3',)),('TOTO',('Family_9',))]
+        allFams=[('FAMILLE_ZERO',0),('FAM_-6_Groupe_1',-6),('FAM_-7_Groupe_2',-7),('FAM_2_Groupe_3',2),('Family_9',9)]
+        self.assertEqual(list(mm.getGroupsNames()),[elt[0] for elt in allGrps])
+        for elt,fams in allGrps:
+            self.assertEqual(mm.getFamiliesOnGroup(elt),fams)
+        self.assertEqual(list(mm.getFamiliesNames()),[elt[0] for elt in allFams])
+        for elt,eltId in allFams:
+            self.assertEqual(mm.getFamilyId(elt),eltId)
+        pass
+
+    def testNonRegrCMeshSetFieldPfl1(self):
+        """ Non regression test. For structured mesh, push a false partial field in MEDFileField1TS using setFieldProfile."""
+        ff=MEDFileField1TS()
+        meshName="mesh"
+        mm=MEDFileCMesh()
+        m=MEDCouplingCMesh() ; arr=DataArrayDouble(5) ; arr.iota()
+        m.setCoords(arr)
+        m.setName(meshName)
+        mm.setMesh(m)
+        field=MEDCouplingFieldDouble(ON_CELLS)
+        field.setMesh(m)
+        field.setArray(DataArrayDouble([1.2,2.3,3.4,4.5]))
+        field.setName("Field")
+        field.checkConsistencyLight()
+        pfl=DataArrayInt([0,1,2,3]) ; pfl.setName("TUTU") #<- false profile because defined on all cells !
+        ff.setFieldProfile(field,mm,0,pfl) # <- bug was revealed here !
+        self.assertEqual(ff.getPfls(),())
+        field2=ff.getFieldOnMeshAtLevel(ON_CELLS,0,mm)
+        self.assertTrue(field.isEqual(field2,1e-12,1e-12))
+        del ff,mm,field,field2,pfl
+        # same with unstructured mesh
+        ff=MEDFileField1TS()
+        meshName="mesh"
+        mm=MEDFileUMesh()
+        m=MEDCouplingCMesh() ; arr=DataArrayDouble(5) ; arr.iota()
+        m.setCoords(arr)
+        m.setName(meshName)
+        m=m.buildUnstructured()
+        mm[0]=m
+        field=MEDCouplingFieldDouble(ON_CELLS)
+        field.setMesh(m)
+        field.setArray(DataArrayDouble([1.2,2.3,3.4,4.5]))
+        field.setName("Field")
+        field.checkConsistencyLight()
+        pfl=DataArrayInt([0,1,2,3]) ; pfl.setName("TUTU")
+        ff.setFieldProfile(field,mm,0,pfl)
+        self.assertEqual(ff.getPfls(),())
+        field2=ff.getFieldOnMeshAtLevel(ON_CELLS,0,mm)
+        self.assertTrue(field.isEqual(field2,1e-12,1e-12))
+        pass
+
+    def testMEDFileUMeshLinearToQuadraticAndRev1(self):
+        meshName="mesh"
+        fileName="Pyfile90.med"
+        fileName2="Pyfile91.med"
+        arr=DataArrayDouble(5) ; arr.iota()
+        m=MEDCouplingCMesh() ; m.setCoords(arr,arr)
+        m=m.buildUnstructured()
+        d=DataArrayInt([3,7,11,15])
+        m1=m[d]
+        m1.simplexize(0)
+        m2=m[d.buildComplement(m.getNumberOfCells())]
+        m=MEDCouplingUMesh.MergeUMeshesOnSameCoords(m1,m2)
+        m.changeSpaceDimension(3,0.)
+        arr=DataArrayDouble(3) ; arr.iota()
+        m1D=MEDCouplingCMesh() ; m1D.setCoords(arr) ; m1D=m1D.buildUnstructured() ; m1D.changeSpaceDimension(3,0.)
+        m1D.setCoords(m1D.getCoords()[:,[1,2,0]])
+        delta=m.getNumberOfNodes()*(m1D.getNumberOfNodes()-1)
+        m3D=m.buildExtrudedMesh(m1D,0)
+        m3D.sortCellsInMEDFileFrmt()
+        m3D.setName(meshName)
+        m2D=m ; m2D.setCoords(m3D.getCoords()) ; m2D.shiftNodeNumbersInConn(delta) ; m2D.setName(meshName) ; m2D.checkConsistency()
+        m1D=m2D.computeSkin() ; m1D.setName(meshName)
+        m0D=MEDCouplingUMesh.Build0DMeshFromCoords(m3D.getCoords()) ; m0D.setName(meshName) ; m0D=m0D[[2,4,10]]
+        #
+        mm=MEDFileUMesh()
+        mm[0]=m3D ; mm[-1]=m2D ; mm[-2]=m1D ; mm[-3]=m0D
+        grpEdge0=DataArrayInt([1,2,3,5]) ; grpEdge0.setName("East")
+        grpEdge1=DataArrayInt([0,1]) ; grpEdge1.setName("Corner1")
+        grpFaceSouth=DataArrayInt([0,1,8,9,10]) ; grpFaceSouth.setName("SouthFace")
+        grpFaceNorth=DataArrayInt([6,7,17,18,19]) ; grpFaceNorth.setName("NorthFace")
+        diagFace=DataArrayInt([0,1,13,15,17]) ; diagFace.setName("DiagFace")
+        vol1=DataArrayInt([20,21,23,24]) ; vol1.setName("vol1")
+        vol2=DataArrayInt([2,3,4,5,21,24]) ; vol2.setName("vol2")
+        mm.setGroupsAtLevel(0,[vol1,vol2])
+        mm.setGroupsAtLevel(-1,[grpFaceSouth,grpFaceNorth,diagFace])
+        mm.setGroupsAtLevel(-2,[grpEdge0,grpEdge1])
+        #
+        mmOut1=mm.linearToQuadratic(0,0.)
+        mmOut1.write(fileName2,2)
+        mmOut2=mmOut1.quadraticToLinear(0.)
+        self.assertTrue(mm.isEqual(mmOut2,1e-12)[0])
+        pass
+
+    def testMEDFileMeshAddGroup1(self):
+        m=MEDCouplingCMesh()
+        arrX=DataArrayDouble(9) ; arrX.iota()
+        arrY=DataArrayDouble(4) ; arrY.iota()
+        m.setCoords(arrX,arrY)
+        m.setName("mesh")
+        mm=MEDFileCMesh()
+        mm.setMesh(m)
+        grp0=DataArrayInt([3,5,6,21,22]) ; grp0.setName("grp0")
+        mm.addGroup(0,grp0)
+        grp1=DataArrayInt([3,4,5,8,18,19,22]) ; grp1.setName("grp1")
+        mm.addGroup(0,grp1)
+        grp2=DataArrayInt([0,1,2,10,11]) ; grp2.setName("grp2")
+        mm.addGroup(0,grp2)
+        grp3=DataArrayInt([23]) ; grp3.setName("grp3")
+        mm.addGroup(0,grp3)
+        for grp in [grp0,grp1,grp2,grp3]:
+            self.assertTrue(mm.getGroupArr(0,grp.getName()).isEqual(grp))
+        self.assertEqual(mm.getGroupsNames(),('grp0','grp1','grp2','grp3'))
+        delta=12
+        for grp in [grp0,grp1,grp2,grp3]:
+            grpNode=grp.deepCopy() ; grpNode+=delta ; grpNode.setName("%s_node"%grp.getName())
+            mm.addGroup(1,grpNode)
+        self.assertEqual(mm.getGroupsNames(),('grp0','grp0_node','grp1','grp1_node','grp2','grp2_node','grp3','grp3_node'))
+        for grp in [grp0,grp1,grp2,grp3]:
+            self.assertTrue(mm.getGroupArr(0,grp.getName()).isEqual(grp))
+        for grp in [grp0,grp1,grp2,grp3]:
+            grpExp=grp+delta ; grpExp.setName("%s_node"%grp.getName())
+            self.assertTrue(mm.getGroupArr(1,"%s_node"%grp.getName()).isEqual(grpExp))
+        mm.normalizeFamIdsMEDFile()
+        for grp in [grp0,grp1,grp2,grp3]:
+            self.assertTrue(mm.getGroupArr(0,grp.getName()).isEqual(grp))
+        for grp in [grp0,grp1,grp2,grp3]:
+            grpExp=grp+delta ; grpExp.setName("%s_node"%grp.getName())
+            self.assertTrue(mm.getGroupArr(1,"%s_node"%grp.getName()).isEqual(grpExp))
+        pass
+
+    pass
+    def testMEDFileJoint1(self):
+        fileName="Pyfile92.med"
+        coo=DataArrayDouble([(0,0,0),(1,0,0),(2,0,0)])
+        coo.setInfoOnComponents(["x [cm]","y [cm]","z [cm]"])
+        mm=MEDFileUMesh()
+        mm.setCoords(coo)
+        mm.setName("maa1")
+        mm.setDescription("un maillage")
+        mm.write(fileName,2)
+        node_correspond=MEDFileJointCorrespondence(DataArrayInt([1,2,3,4,5,6,7,8]))
+        cell_correspond=MEDFileJointCorrespondence(DataArrayInt([9,10,11,12]),NORM_TRI3,NORM_TRI3)
+        one_step_joint=MEDFileJointOneStep()
+        one_step_joint.pushCorrespondence(cell_correspond)
+        one_step_joint.pushCorrespondence(node_correspond)
+        one_joint=MEDFileJoint()
+        one_joint.pushStep(one_step_joint)
+        one_joint.setLocalMeshName("maa1")
+        one_joint.setRemoteMeshName("maa1")
+        one_joint.setDescription("joint_description")
+        one_joint.setJointName("joint_1")
+        one_joint.setDomainNumber(1)
+        self.assertEqual( one_joint.getLocalMeshName(), "maa1")
+        self.assertEqual( one_joint.getRemoteMeshName(), "maa1")
+        self.assertEqual( one_joint.getDescription(), "joint_description")
+        self.assertEqual( one_joint.getJointName(), "joint_1")
+        self.assertEqual( one_joint.getDomainNumber(), 1)
+        joints=MEDFileJoints()
+        joints.pushJoint(one_joint);
+        joints.write(fileName,0)
+        # read back
+        jointsR=MEDFileJoints(fileName,mm.getName())
+        self.assertEqual( jointsR.getNumberOfJoints(), 1 )
+        jR = jointsR.getJointAtPos(0)
+        self.assertTrue( jR.isEqual( one_joint ))
+        self.assertRaises( InterpKernelException, jointsR.getJointAtPos,1)
+        self.assertRaises( InterpKernelException, jointsR.destroyJointAtPos,1)
+        jointsR.destroyJointAtPos(0)
+        
+    pass
+    def testMEDFileJoint2(self):
+        fileNameWr="Pyfile93.med"
+        coo=DataArrayDouble([(0,0,0),(1,0,0),(2,0,0)])
+        coo.setInfoOnComponents(["x [cm]","y [cm]","z [cm]"])
+        mm=MEDFileUMesh()
+        mm.setCoords(coo)
+        mm.setName("maa1")
+        mm.setDescription("un maillage")
+        node_correspond=MEDFileJointCorrespondence(DataArrayInt([13,14,15,16]))
+        cell_correspond=MEDFileJointCorrespondence(DataArrayInt([17,18]),NORM_TETRA4,NORM_PENTA6)
+        one_step_joint=MEDFileJointOneStep()
+        two_step_joint=MEDFileJointOneStep()
+        one_joint=MEDFileJoint()
+        two_joint=MEDFileJoint()
+        one_step_joint.pushCorrespondence(node_correspond)
+        one_joint.pushStep(one_step_joint)
+        two_step_joint.pushCorrespondence(cell_correspond)
+        two_step_joint.pushCorrespondence(node_correspond)
+        two_joint.pushStep(two_step_joint)
+        one_joint.setLocalMeshName("maa1")
+        one_joint.setRemoteMeshName("maa1")
+        one_joint.setDescription("joint_description_1")
+        one_joint.setJointName("joint_1")
+        one_joint.setDomainNumber(1)
+        two_joint.setLocalMeshName("maa1")
+        two_joint.setRemoteMeshName("maa1")
+        two_joint.setDescription("joint_description_2")
+        two_joint.setJointName("joint_2")
+        two_joint.setDomainNumber(2)
+        joints=MEDFileJoints()
+        joints.pushJoint(one_joint)
+        joints.pushJoint(two_joint)
+        mm.setJoints( joints )
+        mm.write(fileNameWr,2)
+        #
+        mm=MEDFileMesh.New(fileNameWr)
+        self.assertEqual( mm.getNumberOfJoints(), 2)
+        jointsR = mm.getJoints();
+        self.assertEqual( jointsR.getMeshName(), mm.getName() )
+        self.assertEqual( len( jointsR ), 2 )
+        jointR1 = jointsR[0]
+        jointR2 = jointsR[1]
+        self.assertFalse( jointR1 is None )
+        self.assertFalse( jointR2 is None )
+        self.assertTrue( jointR1.isEqual( one_joint ))
+        self.assertTrue( jointR2.isEqual( two_joint ))
+        pass
+
+    def testMEDFileJoint1(self):
+        node_correspond=MEDFileJointCorrespondence(DataArrayInt([1,2,3,4,5,6,7,8]))
+        cell_correspond=MEDFileJointCorrespondence(DataArrayInt([9,10,11,12]),NORM_TRI3,NORM_TRI3)
+        cell_correspon2=MEDFileJointCorrespondence(DataArrayInt([9,10,11]),NORM_TRI3,NORM_TRI3)
+        cell_correspon3=MEDFileJointCorrespondence(DataArrayInt([9,10,11,12]),NORM_TRI3,NORM_QUAD4)
+        joint1st_1=MEDFileJointOneStep()
+        joint1st_1.pushCorrespondence(cell_correspond)
+        joint1st_1.pushCorrespondence(node_correspond)
+        joint1st_2=MEDFileJointOneStep()
+        joint1st_2.pushCorrespondence(cell_correspond)
+        joint1st_2.pushCorrespondence(node_correspond)
+        joint1st_3=MEDFileJointOneStep()
+        joint1st_3.pushCorrespondence(node_correspond)
+        joint1st_3.pushCorrespondence(cell_correspond)
+        joint1st_4=MEDFileJointOneStep()
+        joint1st_4.pushCorrespondence(cell_correspond)
+        joint1st_5=MEDFileJointOneStep()
+        joint1st_5.pushCorrespondence(cell_correspon2)
+        joint1st_6=MEDFileJointOneStep()
+        joint1st_6.pushCorrespondence(cell_correspon3)
+        self.assertTrue( joint1st_1.isEqual( joint1st_2 ))
+        self.assertTrue( joint1st_1.isEqual( joint1st_3 ))
+        self.assertFalse( joint1st_1.isEqual( joint1st_4 ))
+        self.assertFalse( joint1st_4.isEqual( joint1st_5 ))
+        self.assertFalse( joint1st_4.isEqual( joint1st_6 ))
+        one_joint=MEDFileJoint()
+        one_joint.pushStep(joint1st_1)
+        one_joint.setLocalMeshName("maa1")
+        one_joint.setRemoteMeshName("maa2")
+        one_joint.setDescription("joint_description")
+        one_joint.setJointName("joint_1")
+        one_joint.setDomainNumber(1)
+        self.assertEqual( "maa1", one_joint.getLocalMeshName())
+        self.assertEqual( "maa2", one_joint.getRemoteMeshName())
+        self.assertEqual( "joint_description", one_joint.getDescription())
+        self.assertEqual( 1, one_joint.getDomainNumber())
+        self.assertEqual( "joint_1", one_joint.getJointName())
+        pass
+
+    @unittest.skipUnless('linux'==platform.system().lower(),"stderr redirection not ported on Windows ?")
+    def testMEDFileSafeCall0(self):
+        """ EDF11242 : check status of MED file calls to detect problems immediately. Sorry this test generates awful messages !"""
+        fname="Pyfile94.med"
+        errfname="Pyfile94.err"
+        class StdOutRedirect(object):
+            def __init__(self,fileName):
+                import os,sys
+                sys.stderr.flush()
+                self.stdoutOld=os.dup(2)
+                self.fdOfSinkFile=os.open(fileName,os.O_CREAT | os.O_RDWR)
+                fd2=os.dup2(self.fdOfSinkFile,2)
+                self.origPyVal=sys.stderr
+                class FlushFile(object):
+                    def __init__(self,f):
+                        self.f=f
+                    def write(self,st):
+                        self.f.write(st)
+                        self.f.flush()
+                    def flush(self):
+                        return self.f.flush()
+                    def isatty(self):
+                        return self.f.isatty()
+                sys.stderr=FlushFile(os.fdopen(self.fdOfSinkFile,"w"))
+            def __del__(self):
+                import os,sys
+                sys.stderr=self.origPyVal
+                #os.fsync(self.fdOfSinkFile)
+                os.fsync(2)
+                os.dup2(self.stdoutOld,2)
+                os.close(self.stdoutOld)
+        import os
+        # first clean file if needed
+        if os.path.exists(fname):
+            os.remove(fname)
+            pass
+        # second : build a file from scratch
+        m=MEDCouplingCMesh()
+        arr=DataArrayDouble(11) ; arr.iota()
+        m.setCoords(arr,arr)
+        mm=MEDFileCMesh()
+        mm.setMesh(m)
+        mm.setName("mesh")
+        mm.write(fname,2)
+        # third : change permissions to remove write access on created file
+        os.chmod(fname,0444)
+        # four : try to append data on file -> check that it raises Exception
+        f=MEDCouplingFieldDouble(ON_CELLS)
+        f.setName("field")
+        f.setMesh(m)
+        f.setArray(DataArrayDouble(100))
+        f.getArray()[:]=100.
+        f.checkConsistencyLight()
+        f1ts=MEDFileField1TS()
+        f1ts.setFieldNoProfileSBT(f)
+        # redirect stderr
+        tmp=StdOutRedirect(errfname)
+        self.assertRaises(InterpKernelException,f1ts.write,fname,0) # it should raise !
+        del tmp
+        #
+        if os.path.exists(errfname):
+            os.remove(errfname)
+        #
+        pass
+
+    def testUnivStatus1(self):
+        """ Non regression test to check the effectiveness of univ write status."""
+        fname="Pyfile95.med"
+        arr=DataArrayDouble(10) ; arr.iota()
+        m=MEDCouplingCMesh() ; m.setCoords(arr,arr) ; m.setName("mesh")
+        mm=MEDFileCMesh() ; mm.setMesh(m)
+        mm.setUnivNameWrStatus(False) # test is here
+        mm.write(fname,2)
+        mm=MEDFileCMesh(fname)
+        self.assertEqual(mm.getUnivName(),"")
+        mm.setUnivNameWrStatus(True)
+        mm.write(fname,2)
+        mm=MEDFileCMesh(fname)
+        self.assertTrue(mm.getUnivName()!="")
+        pass
+
+    def testEmptyMesh(self):
+      """ MEDLoader should be able to consistently write and read an empty mesh (coords array
+      with 0 tuples """
+      fname = "Pyfile96.med" 
+      m = MEDCouplingUMesh('toto', 2)
+      m.setCoords(DataArrayDouble([], 0, 2))
+      m.setConnectivity(DataArrayInt([]), DataArrayInt([0]))
+      mfu = MEDFileUMesh()
+      mfu.setMeshAtLevel(0, m)
+      mfu.write(fname, 2)
+      mfu2 = MEDFileUMesh(fname)
+      self.assertEqual('toto', mfu2.getName())
+      lvl = mfu2.getNonEmptyLevels()
+      self.assertEqual((), lvl)
+
+    @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
+    def testMEDFileUMeshPickeling2(self):
+      """ Check that pickalization can be performed on a unpickalized instance. Non regression test."""
+      name="Mesh_1"
+      grpName1="HAUT"
+      grpName2="BASE"
+      hauteur=1.
+      nbOfNodesPerAxis=3
+      arr=DataArrayDouble(nbOfNodesPerAxis) ; arr.iota() ; arr/=(nbOfNodesPerAxis-1) ; arr*=hauteur
+      m=MEDCouplingCMesh() ; m.setCoords(arr,arr,arr) ; m=m.buildUnstructured() ; m.setName(name)
+      mesh=MEDFileUMesh() ; mesh[0]=m
+      m1=m.computeSkin() ; mesh[-1]=m1
+      #
+      bary1=m1.computeCellCenterOfMass()[:,2]
+      grp1=bary1.findIdsInRange(hauteur-1e-12,hauteur+1e-12) ; grp1.setName(grpName1)
+      grp2=bary1.findIdsInRange(0.-1e-12,0.+1e-12) ; grp2.setName(grpName2)
+      mesh.setGroupsAtLevel(-1,[grp1,grp2])
+      
+      import cPickle
+      st=cPickle.dumps(mesh,2)
+      mm=cPickle.loads(st)
+      st2=cPickle.dumps(mm,2)
+      mm2=cPickle.loads(st2)
+      self.assertTrue(mesh.isEqual(mm2,1e-12)[0])
+      pass
+
+    def testMEDFileEquivalence1(self):
+      """ First check of equivalence implementation in MEDFileMesh"""
+      fileName="Pyfile97.med"
+      meshName="M_01"
+      mm=MEDFileUMesh()
+      coo=DataArrayDouble([(0,0,0),(6,0,0),(19,0,0),(36,0,0),(0,4,0),(6,4,0),(19,4,0),(36,4,0),(0,13,0),(6,13,0),(19,13,0),(36,13,0),(0,24,0),(6,24,0),(19,24,0),(36,24,0),(0,0,6),(6,0,6),(19,0,6),(36,0,6),(0,4,6),(6,4,6),(19,4,6),(36,4,6),(0,13,6),(6,13,6),(19,13,6),(36,13,6),(0,24,6),(6,24,6),(19,24,6),(36,24,6),(6,0,3),(6,2,0),(12.5,0,0),(19,0,3),(19,2,0),(6,4,3),(12.5,4,0),(19,4,3),(6,2,6),(12.5,0,6),(19,2,6),(12.5,4,6),(6,2,3),(12.5,0,3),(12.5,2,0),(19,2,3),(12.5,4,3),(12.5,2,6),(12.5,2,3)])
+      coo.setInfoOnComponents(["X [Sans_unite]","Y [Sans_unite]","Z [Sans_unite]"])
+      connQ4=DataArrayInt([1,17,21,5,2,18,22,6,21,5,6,22,1,32,44,33,17,40,44,32,21,37,44,40,5,33,44,37,2,35,47,36,18,42,47,35,22,39,47,42,6,36,47,39,21,37,48,43,5,38,48,37,6,39,48,38,22,43,48,39])
+      m1=MEDCoupling1SGTUMesh(meshName,NORM_QUAD4) ; m1.setCoords(coo) ; m1.setNodalConnectivity(connQ4) ; mm[-1]=m1
+      connH8=DataArrayInt([20,16,17,21,4,0,1,5,22,18,19,23,6,2,3,7,24,20,21,25,8,4,5,9,25,21,22,26,9,5,6,10,26,22,23,27,10,6,7,11,28,24,25,29,12,8,9,13,29,25,26,30,13,9,10,14,30,26,27,31,14,10,11,15,21,40,49,43,37,44,50,48,40,17,41,49,44,32,45,50,49,41,18,42,50,45,35,47,43,49,42,22,48,50,47,39,44,32,45,50,33,1,34,46,37,44,50,48,5,33,46,38,48,50,47,39,38,46,36,6,50,45,35,47,46,34,2,36])
+      m0=MEDCoupling1SGTUMesh(meshName,NORM_HEXA8) ; m0.setCoords(coo) ; m0.setNodalConnectivity(connH8) ; mm[0]=m0
+      mm.getFamilyFieldAtLevel(-1)[:]=-2
+      mm.getFamilyFieldAtLevel(0)[:]=0
+      mm.addFamily("HOMARD________-1",-1)
+      mm.addFamily("HOMARD________-2",-2)
+      mm.addFamily("HOMARD________-3",-3)
+      mm.setFamiliesIdsOnGroup("HOMARD",[-1,-2,-3])
+      
+      eqName="MAILLES_A_RECOLLER_APRES_HOMARD"
+      descEq="Cette equivalence decrit les mailles a recoller. Dans chaque correspondance, le premier numero est celui de la maille coupee ; le second numero est celui d'une des petites mailles en regard."
+      mm.initializeEquivalences()
+      eqs=mm.getEquivalences()
+      eq0=eqs.appendEmptyEquivalenceWithName(eqName)
+      eq0.setDescription(descEq)
+      corr=DataArrayInt([(0,3),(0,4),(0,5),(0,6),(1,7),(1,8),(1,9),(1,10),(2,11),(2,12),(2,13),(2,14)])
+      eq0.setArray(-1,corr)
+      self.assertEqual(eq0.getCell().size(),1)
+      self.assertTrue(eq0.getCell().getArray(NORM_QUAD4).isEqual(corr))
+      eq0.getCell().clear()
+      self.assertEqual(eq0.getCell().size(),0)
+      eq0.getCell().setArrayForType(NORM_QUAD4,corr)
+      self.assertEqual(eq0.getCell().size(),1)
+      self.assertTrue(eq0.getCell().getArray(NORM_QUAD4).isEqual(corr))
+      mm.killEquivalences()
+      mm.initializeEquivalences()
+      eqs=mm.getEquivalences()
+      eq0=eqs.appendEmptyEquivalenceWithName(eqName)
+      eq0.setDescription(descEq)
+      c=eq0.initCell()
+      c.setArrayForType(NORM_QUAD4,corr)
+      self.assertEqual(eq0.getCell().size(),1)
+      self.assertTrue(eq0.getCell().getArray(NORM_QUAD4).isEqual(corr))
+      mm2=mm.deepCopy()
+      self.assertTrue(mm.isEqual(mm2,1e-12)[0])
+      self.assertEqual(mm2.getEquivalences().size(),1)
+      self.assertTrue(mm2.getEquivalences().getEquivalence(0).getCell().getArray(NORM_QUAD4).isEqual(corr))
+      mm2.getEquivalences().getEquivalence(0).getCell().getArray(NORM_QUAD4)[0,0]=2
+      self.assertTrue(not mm.isEqual(mm2,1e-12)[0])
+      mm2.getEquivalences().getEquivalence(0).getCell().getArray(NORM_QUAD4)[0,0]=0
+      self.assertTrue(mm.isEqual(mm2,1e-12)[0])
+      mm.write(fileName,2)
+      #
+      mm3=MEDFileMesh.New(fileName)
+      self.assertTrue(mm.isEqual(mm3,1e-12)[0])
+      pass
+
+    def testMEDFileForFamiliesPlayer1(self):
+      """Non regression bug EDF11911. For serial killers using same family name to store both cells and nodes ! Only sky is the limit."""
+      fileName="Pyfile98.med"
+      meshName="mesh"
+      magicSt="%s%%04i"%(MEDFileMesh.GetMagicFamilyStr())
+      arr=DataArrayDouble(4) ; arr.iota()
+      m=MEDCouplingCMesh() ; m.setCoords(arr,arr)
+      m=m.buildUnstructured()
+      mm=MEDFileUMesh()
+      mm[0]=m
+      mm.setName(meshName)
+      mm.setFamilyId("FAMILLE_ZERO",0)
+      mm.getFamilyFieldAtLevel(0)[-3:]=-4
+      mm.setFamilyId("RIDF%s"%(magicSt%0),-4)
+      mm.setGroupsOnFamily("RIDF%s"%(magicSt%0),["RID"])
+      d=DataArrayInt(16) ; d[:]=0 ; d[[1,2,4,5]]=3
+      mm.setFamilyFieldArr(1,d)
+      mm.setFamilyId("RIDF%s"%(magicSt%1),3)
+      mm.setGroupsOnFamily("RIDF%s"%(magicSt%1),["RID"])
+      self.assertEqual(mm.getFamiliesNames(),("FAMILLE_ZERO",'RIDF!/__\\!0000','RIDF!/__\\!0001'))
+      self.assertEqual(mm.getFamiliesNamesWithFilePointOfView(),("FAMILLE_ZERO","RIDF","RIDF")) # <- the aim of test is here !
+      self.assertEqual(mm.getFamiliesIdsOnGroup("RID"),(-4,3))
+      mm.write(fileName,2)
+      # now read such funny file !
+      mm2=MEDFileMesh.New(fileName) # <- normaly mdump of Pyfile98.med must contain only RID and FAMILLE_ZERO families.
+      self.assertTrue(mm.isEqual(mm2,1e-16))
+      self.assertEqual(mm2.getFamiliesNames(),("FAMILLE_ZERO",'RIDF!/__\\!0000','RIDF!/__\\!0001'))
+      self.assertEqual(mm2.getFamiliesNamesWithFilePointOfView(),("FAMILLE_ZERO","RIDF","RIDF"))
+      self.assertEqual(mm2.getFamiliesIdsOnGroup("RID"),(-4,3))# <- very important too !
+      pass
+
+    def testCartesianizer1(self):
+      """ This test is advanced to be sure that no unnecessary copies had been made during cartesianization process. """
+      # UMesh non cart
+      arr=DataArrayDouble(4) ; arr.iota() ; m=MEDCouplingCMesh() ; m.setCoords(arr,arr) ; m=m.buildUnstructured()
+      mm=MEDFileUMesh() ; mm[0]=m ; mm.forceComputationOfParts()
+      d0=DataArrayInt(16) ; d0[:]=0
+      d1=DataArrayInt(9)  ; d1[:]=0
+      mm.setFamilyFieldArr(0,d1) ; mm.setFamilyFieldArr(1,d0)
+      mm.setName("a") ; mm.setDescription("b") ; mm.setTime(3,4,5.) ; mm.addFamily("c",-4) ; mm.setFamiliesOnGroup("d",["c"]) ; mm.setTimeUnit("ms")
+      ref0=mm.getCoords().getHiddenCppPointer()
+      ref1=mm[0].getNodalConnectivity().getHiddenCppPointer()
+      self.assertEqual(ref0,mm[0].getCoords().getHiddenCppPointer())
+      ref2=mm[0].getNodalConnectivityIndex().getHiddenCppPointer()
+      ref3=mm.getDirectUndergroundSingleGeoTypeMesh(NORM_QUAD4).getNodalConnectivity().getHiddenCppPointer()
+      self.assertEqual(ref0,mm.getDirectUndergroundSingleGeoTypeMesh(NORM_QUAD4).getCoords().getHiddenCppPointer())
+      mm.setAxisType(AX_CYL) #<- important
+      mm2=mm.cartesianize() # the trigger
+      self.assertEqual(mm2.getAxisType(),AX_CART)
+      mm.setAxisType(AX_CART) # this is here only to avoid complaints
+      self.assertTrue(isinstance(mm2,MEDFileUMesh))
+      self.assertTrue(mm.getHiddenCppPointer()!=mm2.getHiddenCppPointer())
+      self.assertTrue(ref0==mm.getCoords().getHiddenCppPointer()) # <- here important
+      self.assertTrue(ref0!=mm2.getCoords().getHiddenCppPointer()) # <- here important
+      self.assertEqual(mm2.getCoords().getHiddenCppPointer(),mm2[0].getCoords().getHiddenCppPointer())
+      self.assertEqual(mm2.getCoords().getHiddenCppPointer(),mm2.getDirectUndergroundSingleGeoTypeMesh(NORM_QUAD4).getCoords().getHiddenCppPointer())
+      self.assertEqual(mm2[0].getNodalConnectivity().getHiddenCppPointer(),ref1) # <- here very important
+      self.assertEqual(mm2[0].getNodalConnectivityIndex().getHiddenCppPointer(),ref2) # <- here very important
+      self.assertEqual(mm2.getDirectUndergroundSingleGeoTypeMesh(NORM_QUAD4).getNodalConnectivity().getHiddenCppPointer(),ref3) # <- here very important
+      self.assertEqual(mm2.getName(),mm.getName())
+      self.assertEqual(mm2.getDescription(),mm.getDescription())
+      self.assertEqual(mm2.getTime(),mm.getTime())
+      self.assertEqual(mm2.getTime(),mm.getTime())
+      self.assertEqual(mm2.getTimeUnit(),mm.getTimeUnit())
+      self.assertEqual(mm2.getGroupsNames(),mm.getGroupsNames())
+      self.assertEqual(mm2.getFamiliesNames(),mm.getFamiliesNames())
+      self.assertEqual([mm2.getFamilyId(elt) for elt in mm2.getFamiliesNames()],[mm.getFamilyId(elt2) for elt2 in mm.getFamiliesNames()])
+      self.assertEqual(mm.getFamilyFieldAtLevel(0).getHiddenCppPointer(),d1.getHiddenCppPointer())
+      self.assertEqual(mm2.getFamilyFieldAtLevel(0).getHiddenCppPointer(),d1.getHiddenCppPointer()) # <- here very important
+      self.assertEqual(mm.getFamilyFieldAtLevel(1).getHiddenCppPointer(),d0.getHiddenCppPointer())
+      self.assertEqual(mm2.getFamilyFieldAtLevel(1).getHiddenCppPointer(),d0.getHiddenCppPointer()) # <- here very important
+      # UMesh cart
+      mm.setAxisType(AX_CART)
+      mm2=mm.cartesianize() # the trigger
+      self.assertEqual(mm2.getAxisType(),AX_CART)
+      self.assertTrue(isinstance(mm2,MEDFileUMesh))
+      self.assertTrue(mm.getHiddenCppPointer()==mm2.getHiddenCppPointer()) # optimization
+      # CurveLinearMesh non cart
+      arr=DataArrayDouble(4) ; arr.iota() ; m=MEDCouplingCMesh() ; m.setCoords(arr,arr) ; m=m.buildCurveLinear()
+      mm=MEDFileCurveLinearMesh() ; mm.setMesh(m) ; mm.setAxisType(AX_CYL) #<- important
+      mm.setFamilyFieldArr(0,d1) ; mm.setFamilyFieldArr(1,d0)
+      mm.setName("a") ; mm.setDescription("b") ; mm.setTime(3,4,5.) ; mm.addFamily("c",-4) ; mm.setFamiliesOnGroup("d",["c"]) ; mm.setTimeUnit("ms")
+      ref0=mm.getMesh().getCoords().getHiddenCppPointer()
+      mm2=mm.cartesianize() # the trigger
+      self.assertEqual(mm2.getAxisType(),AX_CART)
+      self.assertTrue(isinstance(mm2,MEDFileCurveLinearMesh))
+      self.assertTrue(mm.getHiddenCppPointer()!=mm2.getHiddenCppPointer())
+      self.assertTrue(ref0==mm.getMesh().getCoords().getHiddenCppPointer()) # <- here important
+      self.assertTrue(ref0!=mm2.getMesh().getCoords().getHiddenCppPointer()) # <- here important
+      self.assertEqual(mm2.getMesh().getNodeGridStructure(),mm.getMesh().getNodeGridStructure())
+      self.assertEqual(mm2.getName(),mm.getName())
+      self.assertEqual(mm2.getDescription(),mm.getDescription())
+      self.assertEqual(mm2.getTime(),mm.getTime())
+      self.assertEqual(mm2.getTime(),mm.getTime())
+      self.assertEqual(mm2.getTimeUnit(),mm.getTimeUnit())
+      self.assertEqual(mm2.getGroupsNames(),mm.getGroupsNames())
+      self.assertEqual(mm2.getFamiliesNames(),mm.getFamiliesNames())
+      self.assertEqual([mm2.getFamilyId(elt) for elt in mm2.getFamiliesNames()],[mm.getFamilyId(elt2) for elt2 in mm.getFamiliesNames()])
+      self.assertEqual(mm.getFamilyFieldAtLevel(0).getHiddenCppPointer(),d1.getHiddenCppPointer())
+      self.assertEqual(mm2.getFamilyFieldAtLevel(0).getHiddenCppPointer(),d1.getHiddenCppPointer()) # <- here very important
+      self.assertEqual(mm.getFamilyFieldAtLevel(1).getHiddenCppPointer(),d0.getHiddenCppPointer())
+      self.assertEqual(mm2.getFamilyFieldAtLevel(1).getHiddenCppPointer(),d0.getHiddenCppPointer()) # <- here very important
+      # CurveLinearMesh cart
+      mm.setAxisType(AX_CART)
+      mm2=mm.cartesianize() # the trigger
+      self.assertEqual(mm2.getAxisType(),AX_CART)
+      self.assertTrue(isinstance(mm2,MEDFileCurveLinearMesh))
+      self.assertTrue(mm.getHiddenCppPointer()==mm2.getHiddenCppPointer()) # optimization
+      # CMesh non cart
+      arr=DataArrayDouble(4) ; arr.iota() ; m=MEDCouplingCMesh() ; m.setCoords(arr,arr)
+      mm=MEDFileCMesh() ; mm.setMesh(m) ; mm.setAxisType(AX_CYL) #<- important
+      mm.setFamilyFieldArr(0,d1) ; mm.setFamilyFieldArr(1,d0)
+      mm.setName("a") ; mm.setDescription("b") ; mm.setTime(3,4,5.) ; mm.addFamily("c",-4) ; mm.setFamiliesOnGroup("d",["c"]) ; mm.setTimeUnit("ms")
+      mm2=mm.cartesianize() # the trigger
+      self.assertEqual(mm2.getAxisType(),AX_CART)
+      self.assertTrue(isinstance(mm2,MEDFileCurveLinearMesh))
+      self.assertEqual(mm2.getMesh().getNodeGridStructure(),mm.getMesh().getNodeGridStructure())
+      self.assertEqual(mm2.getName(),mm.getName())
+      self.assertEqual(mm2.getDescription(),mm.getDescription())
+      self.assertEqual(mm2.getTime(),mm.getTime())
+      self.assertEqual(mm2.getTime(),mm.getTime())
+      self.assertEqual(mm2.getTimeUnit(),mm.getTimeUnit())
+      self.assertEqual(mm2.getGroupsNames(),mm.getGroupsNames())
+      self.assertEqual(mm2.getFamiliesNames(),mm.getFamiliesNames())
+      self.assertEqual([mm2.getFamilyId(elt) for elt in mm2.getFamiliesNames()],[mm.getFamilyId(elt2) for elt2 in mm.getFamiliesNames()])
+      self.assertEqual(mm.getFamilyFieldAtLevel(0).getHiddenCppPointer(),d1.getHiddenCppPointer())
+      self.assertEqual(mm2.getFamilyFieldAtLevel(0).getHiddenCppPointer(),d1.getHiddenCppPointer()) # <- here very important
+      self.assertEqual(mm.getFamilyFieldAtLevel(1).getHiddenCppPointer(),d0.getHiddenCppPointer())
+      self.assertEqual(mm2.getFamilyFieldAtLevel(1).getHiddenCppPointer(),d0.getHiddenCppPointer()) # <- here very important
+      # CMesh cart
+      mm.setAxisType(AX_CART)
+      mm2=mm.cartesianize() # the trigger
+      self.assertEqual(mm2.getAxisType(),AX_CART)
+      self.assertTrue(isinstance(mm2,MEDFileCMesh))
+      self.assertTrue(mm.getHiddenCppPointer()==mm2.getHiddenCppPointer()) # optimization
+      pass
+
+    def testCheckCoherency(self):
+      m2 = MEDCouplingUMesh("2d", 2)
+      m2.setCoords(DataArrayDouble([(0.0, 1.0)] * 4, 4,2))  # whatever
+      m2.setConnectivity(DataArrayInt([NORM_TRI3, 0,1,2,NORM_TRI3, 1,2,3]), DataArrayInt(([0,4,8])))
+      m1 , _, _ , _, _ = m2.buildDescendingConnectivity()
+      mum = MEDFileUMesh()
+      mum.setMeshAtLevel(0, m2)
+      mum.setMeshAtLevel(-1, m1)
+      mum.checkConsistency()
+      mum2 = mum.deepCopy()
+
+      # Nodes
+      arr = DataArrayInt([2]*4)
+      mum.setFamilyFieldArr(1, arr); arr.reAlloc(35);
+      self.assertRaises(InterpKernelException, mum.checkConsistency)
+      mum=mum2; mum2=mum.deepCopy();
+      arr = DataArrayInt([2]*4)
+      mum.setRenumFieldArr(1, arr); arr.reAlloc(35);
+      self.assertRaises(InterpKernelException, mum.checkConsistency)
+      mum=mum2; mum2=mum.deepCopy();
+      mum.setRenumFieldArr(1, DataArrayInt([2]*4))
+      self.assertRaises(InterpKernelException, mum.checkConsistency)
+      mum=mum2; mum2=mum.deepCopy();
+      arr = DataArrayAsciiChar(['tutu           x']*4)
+      mum.setNameFieldAtLevel(1, arr); arr.reAlloc(35);
+      self.assertRaises(InterpKernelException, mum.checkConsistency)
+
+      # 2D
+      mum=mum2; mum2=mum.deepCopy();
+      arr = DataArrayInt([2]*2)
+      mum.setFamilyFieldArr(0, arr); arr.reAlloc(35);
+      self.assertRaises(InterpKernelException, mum.checkConsistency)
+      mum=mum2; mum2=mum.deepCopy();
+      arr = DataArrayInt([2]*2)
+      mum.setRenumFieldArr(0, arr); arr.reAlloc(35);
+      self.assertRaises(InterpKernelException, mum.checkConsistency)
+      mum=mum2; mum2=mum.deepCopy();
+      mum.setRenumFieldArr(0, DataArrayInt([2]*2))
+      self.assertRaises(InterpKernelException, mum.checkConsistency)
+      mum=mum2; mum2=mum.deepCopy();
+      arr = DataArrayAsciiChar(['tutu           x']*2)
+      mum.setNameFieldAtLevel(0, arr); arr.reAlloc(35);
+      self.assertRaises(InterpKernelException, mum.checkConsistency)
+
+      # 1D
+      mum=mum2; mum2=mum.deepCopy();
+      arr = DataArrayInt([2]*5)
+      mum.setFamilyFieldArr(-1, arr); arr.reAlloc(35);
+      self.assertRaises(InterpKernelException, mum.checkConsistency)
+      mum=mum2; mum2=mum.deepCopy();
+      arr = DataArrayInt([2]*5)
+      mum.setRenumFieldArr(-1, arr); arr.reAlloc(35);
+      self.assertRaises(InterpKernelException, mum.checkConsistency)
+      mum=mum2; mum2=mum.deepCopy();
+      mum.setRenumFieldArr(-1, DataArrayInt([2]*5))
+      self.assertRaises(InterpKernelException, mum.checkConsistency)
+      mum=mum2; mum2=mum.deepCopy();
+      arr = DataArrayAsciiChar(['tutu           x']*5)
+      mum.setNameFieldAtLevel(-1, arr); arr.reAlloc(35);
+      self.assertRaises(InterpKernelException, mum.checkConsistency)
+
+    def testCheckSMESHConsistency(self):
+      m2 = MEDCouplingUMesh("2d", 2)
+      m2.setCoords(DataArrayDouble([(0.0, 1.0)] * 4, 4,2))  # whatever
+      m2.setConnectivity(DataArrayInt([NORM_TRI3, 0,1,2,NORM_TRI3, 1,2,3]), DataArrayInt(([0,4,8])))
+      m1 , _, _ , _, _ = m2.buildDescendingConnectivity()
+      mum = MEDFileUMesh()
+      mum.setMeshAtLevel(0, m2)
+      mum.setMeshAtLevel(-1, m1)
+      mum.checkConsistency()
+      mum.checkSMESHConsistency()
+      n2 = DataArrayInt(m2.getNumberOfCells(), 1); n2.iota(1)
+      n1 = DataArrayInt(m1.getNumberOfCells(), 1); n1.iota(1)
+      mum.setRenumFieldArr(0, n2)
+      mum.setRenumFieldArr(-1, n1)
+      self.assertRaises(InterpKernelException, mum.checkSMESHConsistency)
+      mum.setRenumFieldArr(-1, n1+100)
+      mum.checkSMESHConsistency()
+      pass
+
+    def testClearNodeAndCellNumbers(self):
+      m2 = MEDCouplingUMesh("2d", 2)
+      m2.setCoords(DataArrayDouble([(0.0, 1.0)] * 4, 4,2))  # whatever
+      m2.setConnectivity(DataArrayInt([NORM_TRI3, 0,1,2,NORM_TRI3, 1,2,3]), DataArrayInt(([0,4,8])))
+      m1 , _, _ , _, _ = m2.buildDescendingConnectivity()
+      mum = MEDFileUMesh()
+      mum.setMeshAtLevel(0, m2)
+      mum.setMeshAtLevel(-1, m1)
+      mum.checkConsistency()
+      n2 = DataArrayInt(m2.getNumberOfCells(), 1); n2.iota(1)
+      n1 = DataArrayInt(m1.getNumberOfCells(), 1); n1.iota(1)
+      mum.setRenumFieldArr(0, n2)
+      mum.setRenumFieldArr(-1, n1)
+      mum.clearNodeAndCellNumbers()
+      mum.checkSMESHConsistency()
+      pass
+
+    def testCMeshSetFamilyFieldArrNull(self):
+      meshName="mesh"
+      fname="Pyfile99.med"
+      arrX=DataArrayDouble([0,1,2,3])
+      arrY=DataArrayDouble([0,1,2])
+      m=MEDCouplingCMesh() ; m.setCoords(arrX,arrY) ; m.setName(meshName)
+      mm=MEDFileCMesh() ; mm.setMesh(m)
+      famCellIds=DataArrayInt([0,-2,-2,-1,-2,0])
+      famNodeIds=DataArrayInt([0,0,0,3,4,1,2,7,2,1,0,0])
+      mm.setFamilyFieldArr(0,famCellIds)
+      mm.setFamilyFieldArr(1,famNodeIds)
+      mm.write(fname,2)
+      mm=MEDFileMesh.New(fname)
+      self.assertTrue(mm.getFamilyFieldAtLevel(0) is not None)
+      self.assertTrue(mm.getFamilyFieldAtLevel(1) is not None)
+      mm.setFamilyFieldArr(0,None)#<- bug was here
+      mm.setFamilyFieldArr(1,None)#<- bug was here
+      self.assertTrue(mm.getFamilyFieldAtLevel(0) is None)
+      self.assertTrue(mm.getFamilyFieldAtLevel(1) is None)
+      mm3=mm.deepCopy()
+      self.assertTrue(mm3.getFamilyFieldAtLevel(0) is None)
+      self.assertTrue(mm3.getFamilyFieldAtLevel(1) is None)
+      mm.write(fname,2)
+      mm2=MEDFileMesh.New(fname)
+      self.assertTrue(mm2.getFamilyFieldAtLevel(0) is None)
+      self.assertTrue(mm2.getFamilyFieldAtLevel(1) is None)
+      pass
+
+    def testAppendFieldProfileOnIntField(self):
+      fname="Pyfile100.med"
+      arrX=DataArrayDouble([0,1,2,3])
+      arrY=DataArrayDouble([0,1,2])
+      mesh=MEDCouplingCMesh() ; mesh.setCoords(arrX,arrY) ; mesh.setName("Mesh")
+      mm=MEDFileCMesh()
+      mm.setMesh(mesh)
+      #
+      fmts=MEDFileIntFieldMultiTS()
+      pflName="PFL"
+      pfl=DataArrayInt([1,3,5]) ; pfl.setName(pflName)
+      f=MEDCouplingFieldInt(ON_CELLS) ; f.setMesh(mesh)
+      fieldName="FieldOnCell"
+      f.setTime(1.2,1,1) ; f.setName(fieldName)
+      arr=DataArrayInt([101,102,103]) ; f.setArray(arr)
+      fmts.appendFieldProfile(f,mm,0,pfl)
+      #
+      mm.write(fname,2)
+      fmts.write(fname,0)
+      #
+      mm=MEDFileMesh.New(fname)
+      fmts=MEDFileAnyTypeFieldMultiTS.New(fname)
+      self.assertTrue(isinstance(fmts,MEDFileIntFieldMultiTS))
+      self.assertEqual(fmts.getName(),fieldName)
+      self.assertEqual(len(fmts),1)
+      f1ts=fmts[0]
+      ftest,pfltest=f1ts.getFieldWithProfile(ON_CELLS,0,mm)
+      self.assertEqual(pfltest.getName(),pflName)
+      self.assertEqual(ftest.getName(),fieldName)
+      self.assertTrue(ftest.isEqualWithoutConsideringStr(arr))
+      ftest2=f1ts.getFieldOnMeshAtLevel(ON_CELLS,0,mm)
+      self.assertTrue(ftest2.getArray().isEqualWithoutConsideringStr(arr))
+      self.assertEqual(ftest2.getTime(),f.getTime())
+      self.assertEqual(ftest2.getMesh().getNumberOfCells(),len(arr))
+      pass
+
+    def testMEDFileFieldEasyField1(self):
+      """Check for all spatial discretization of field (cells,nodes,elno,gauss) for double field that all is OK. Here no profile and only top level is considered."""
+      ## Basic test on cells on top level
+      fname="Pyfile101.med"
+      fieldName="field1"
+      mm=MEDFileUMesh()
+      coo=DataArrayDouble([(3,2,1),(8,7,6),(5,9,10)])
+      m=MEDCouplingUMesh("mesh",2) ; m.setCoords(coo)
+      m.allocateCells()
+      m.insertNextCell(NORM_TRI3,[0,1,2])
+      m.insertNextCell(NORM_TRI3,[3,4,5])
+      m.insertNextCell(NORM_TRI3,[6,7,8])
+      m.insertNextCell(NORM_TRI3,[9,10,11])
+      m.insertNextCell(NORM_QUAD4,[100,101,102,103])
+      m.insertNextCell(NORM_QUAD4,[104,105,106,107])
+      mm[0]=m
+      mm.write(fname,2)
+      arr0=DataArrayDouble([10,11,12,13,100,101])
+      f=MEDCouplingFieldDouble(ON_CELLS) ; f.setArray(arr0) ; f.setMesh(m)
+      f.setName(fieldName) ; f.setTime(2.,6,7)
+      f0=f.deepCopy()
+      ff=MEDFileFieldMultiTS() ; ff.appendFieldNoProfileSBT(f)
+      ff.write(fname,0)
+      arr2=arr0+1000 ; f.setArray(arr2)
+      f.setTime(3.,8,9) ; ff=MEDFileField1TS() ; ff.setFieldNoProfileSBT(f)
+      ff.write(fname,0)
+      f1=f.deepCopy()
+      ##
+      mm=MEDFileMesh.New(fname)
+      f1ts=MEDFileField1TS(fname,fieldName,6,7)
+      ftst0=f1ts.field(mm)
+      self.assertTrue(f0.isEqual(ftst0,1e-12,1e-12))
+      f1ts=MEDFileField1TS(fname,fieldName,8,9)
+      ftst1=f1ts.field(mm)
+      self.assertTrue(f1.isEqual(ftst1,1e-12,1e-12))
+      fmts=MEDFileFieldMultiTS(fname,fieldName)
+      self.assertTrue(f1.isEqual(fmts.field(8,9,mm),1e-12,1e-12))
+      ## Basic test on nodes on top level
+      f2=MEDCouplingFieldDouble(ON_NODES) ; arr2=DataArrayDouble([200,201,202]) ; arr2.setInfoOnComponent(0,"tutu") ; f2.setArray(arr2) ; f2.setMesh(m) ; f2.setTime(22.,23,24)
+      f2.setName(fieldName)
+      mm.write(fname,2)
+      ff=MEDFileField1TS() ; ff.setFieldNoProfileSBT(f2) ; ff.write(fname,0)
+      #
+      mm=MEDFileMesh.New(fname)
+      f1ts=MEDFileField1TS(fname,fieldName,23,24)
+      self.assertTrue(f2.isEqual(f1ts.field(mm),1e-12,1e-12))
+      fmts=MEDFileFieldMultiTS(fname,fieldName)
+      self.assertTrue(f2.isEqual(fmts.field(23,24,mm),1e-12,1e-12))
+      ## Node on elements
+      f3=MEDCouplingFieldDouble(ON_GAUSS_NE) ; f3.setMesh(m) ; arr3=DataArrayDouble([0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19]) ; f3.setArray(arr3) ; f3.setTime(0.5,2,3)
+      f3.setName(fieldName) ; f3.checkConsistencyLight()
+      mm.write(fname,2) ; ff=MEDFileField1TS() ; ff.setFieldNoProfileSBT(f3) ; ff.write(fname,0)
+      #
+      mm=MEDFileMesh.New(fname)
+      f1ts=MEDFileField1TS(fname,fieldName,2,3)
+      self.assertTrue(f3.isEqual(f1ts.field(mm),1e-12,1e-12))
+      ## Gauss
+      f4=MEDCouplingFieldDouble(ON_GAUSS_PT) ; f4.setMesh(m) ; f4.setName(fieldName)
+      f4.setGaussLocalizationOnType(NORM_TRI3,[0.,0.,1.,0.,1.,1.],[0.1,0.1, 0.2,0.2, 0.3,0.3, 0.4,0.4, 0.5,0.5],[0.2,0.3,0.1,0.05,0.35])
+      f4.setGaussLocalizationOnType(NORM_QUAD4,[0.,0.,1.,0.,1.,1.,0.,1.],[0.3,0.4, 0.6,0.7],[0.7,0.3]) ; f4.setTime(0.25,4,5)
+      arr4=DataArrayDouble([0,1,2,3,4 ,10,11,12,13,14, 20,21,22,23,24, 30,31,32,33,34, 45,46, 55,56]) ; arr4.setInfoOnComponent(0,"abc") ; f4.setArray(arr4)
+      f4.checkConsistencyLight()
+      mm.write(fname,2) ; ff=MEDFileField1TS() ; ff.setFieldNoProfileSBT(f4) ; ff.write(fname,0)
+      #
+      mm=MEDFileMesh.New(fname)
+      f1ts=MEDFileField1TS(fname,fieldName,4,5)
+      self.assertTrue(f4.isEqual(f1ts.field(mm),1e-12,1e-12))
+      pass
+  
+    def testMEDFileFieldEasyField2(self):
+        """Same thantestMEDFileFieldEasyField1 except that here intfields are considered.
+        Check for all spatial discretization of field (cells,nodes,elno,gauss) for int field that all is OK. Here no profile and only top level is considered."""
+        ## Basic test on cells on top level
+        fname="Pyfile102.med"
+        fieldName="field1"
+        mm=MEDFileUMesh()
+        coo=DataArrayDouble([(3,2,1),(8,7,6),(5,9,10)])
+        m=MEDCouplingUMesh("mesh",2) ; m.setCoords(coo)
+        m.allocateCells()
+        m.insertNextCell(NORM_TRI3,[0,1,2])
+        m.insertNextCell(NORM_TRI3,[3,4,5])
+        m.insertNextCell(NORM_TRI3,[6,7,8])
+        m.insertNextCell(NORM_TRI3,[9,10,11])
+        m.insertNextCell(NORM_QUAD4,[100,101,102,103])
+        m.insertNextCell(NORM_QUAD4,[104,105,106,107])
+        mm[0]=m
+        mm.write(fname,2)
+        arr0=DataArrayInt([10,11,12,13,100,101])
+        f=MEDCouplingFieldInt(ON_CELLS) ; f.setArray(arr0) ; f.setMesh(m)
+        f.setName(fieldName) ; f.setTime(2.,6,7)
+        f0=f.deepCopy()
+        ff=MEDFileIntFieldMultiTS() ; ff.appendFieldNoProfileSBT(f)
+        ff.write(fname,0)
+        arr2=arr0+1000 ; f.setArray(arr2)
+        f.setTime(3.,8,9) ; ff=MEDFileIntField1TS() ; ff.setFieldNoProfileSBT(f)
+        ff.write(fname,0)
+        f1=f.deepCopy()
+        ##
+        mm=MEDFileMesh.New(fname)
+        f1ts=MEDFileIntField1TS(fname,fieldName,6,7)
+        ftst0=f1ts.field(mm)
+        self.assertTrue(f0.isEqual(ftst0,1e-12,1e-12))
+        f1ts=MEDFileIntField1TS(fname,fieldName,8,9)
+        ftst1=f1ts.field(mm)
+        self.assertTrue(f1.isEqual(ftst1,1e-12,1e-12))
+        fmts=MEDFileIntFieldMultiTS(fname,fieldName)
+        self.assertTrue(f1.isEqual(fmts.field(8,9,mm),1e-12,1e-12))
+        ## Basic test on nodes on top level
+        f2=MEDCouplingFieldInt(ON_NODES) ; arr2=DataArrayInt([200,201,202]) ; arr2.setInfoOnComponent(0,"tutu") ; f2.setArray(arr2) ; f2.setMesh(m) ; f2.setTime(22.,23,24)
+        f2.setName(fieldName)
+        mm.write(fname,2)
+        ff=MEDFileIntField1TS() ; ff.setFieldNoProfileSBT(f2) ; ff.write(fname,0)
+        #
+        mm=MEDFileMesh.New(fname)
+        f1ts=MEDFileIntField1TS(fname,fieldName,23,24)
+        self.assertTrue(f2.isEqual(f1ts.field(mm),1e-12,1e-12))
+        fmts=MEDFileIntFieldMultiTS(fname,fieldName)
+        self.assertTrue(f2.isEqual(fmts.field(23,24,mm),1e-12,1e-12))
+        ## Node on elements
+        f3=MEDCouplingFieldInt(ON_GAUSS_NE) ; f3.setMesh(m) ; arr3=DataArrayInt([0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19]) ; f3.setArray(arr3) ; f3.setTime(0.5,2,3)
+        f3.setName(fieldName) ; f3.checkConsistencyLight()
+        mm.write(fname,2) ; ff=MEDFileIntField1TS() ; ff.setFieldNoProfileSBT(f3) ; ff.write(fname,0)
+        #
+        mm=MEDFileMesh.New(fname)
+        f1ts=MEDFileIntField1TS(fname,fieldName,2,3)
+        self.assertTrue(f3.isEqual(f1ts.field(mm),1e-12,1e-12))
+        ## Gauss
+        f4=MEDCouplingFieldInt(ON_GAUSS_PT) ; f4.setMesh(m) ; f4.setName(fieldName)
+        f4.setGaussLocalizationOnType(NORM_TRI3,[0.,0.,1.,0.,1.,1.],[0.1,0.1, 0.2,0.2, 0.3,0.3, 0.4,0.4, 0.5,0.5],[0.2,0.3,0.1,0.05,0.35])
+        f4.setGaussLocalizationOnType(NORM_QUAD4,[0.,0.,1.,0.,1.,1.,0.,1.],[0.3,0.4, 0.6,0.7],[0.7,0.3]) ; f4.setTime(0.25,4,5)
+        arr4=DataArrayInt([0,1,2,3,4 ,10,11,12,13,14, 20,21,22,23,24, 30,31,32,33,34, 45,46, 55,56]) ; arr4.setInfoOnComponent(0,"abc") ; f4.setArray(arr4)
+        f4.checkConsistencyLight()
+        mm.write(fname,2) ; ff=MEDFileIntField1TS() ; ff.setFieldNoProfileSBT(f4) ; ff.write(fname,0)
+        #
+        mm=MEDFileMesh.New(fname)
+        f1ts=MEDFileIntField1TS(fname,fieldName,4,5)
+        self.assertTrue(f4.isEqual(f1ts.field(mm),1e-12,1e-12))
+        pass
+
+    def testMEDFileFieldEasyField3(self):
+        """Here a multi level mesh. And field on cells lying on different level of this mesh. Show how "field" method deal with that. Here on field double are considered."""
+        fname="Pyfile103.med"
+        fieldName="field1"
+        mm=MEDFileUMesh()
+        coo=DataArrayDouble([(3,2,1),(8,7,6),(5,9,10)])
+        m=MEDCouplingUMesh("mesh",2) ; m.setCoords(coo)
+        m.allocateCells()
+        m.insertNextCell(NORM_TRI3,[0,1,2])
+        m.insertNextCell(NORM_TRI3,[3,4,5])
+        m.insertNextCell(NORM_TRI3,[6,7,8])
+        m.insertNextCell(NORM_TRI3,[9,10,11])
+        m.insertNextCell(NORM_QUAD4,[100,101,102,103])
+        m.insertNextCell(NORM_QUAD4,[104,105,106,107])
+        mm[-1]=m
+        m0=MEDCouplingUMesh("mesh",3) ; m0.setCoords(coo)
+        m0.allocateCells()
+        m0.insertNextCell(NORM_TETRA4,[3,2,5,0])
+        m0.insertNextCell(NORM_TETRA4,[7,6,3,2])
+        mm[0]=m0
+        mm.write(fname,2)
+        # start slowly
+        f1=MEDCouplingFieldDouble(ON_CELLS) ; f1.setName(fieldName) ; f1.setArray(DataArrayDouble([(0,100),(1,101)])) ; f1.setMesh(mm[0]) ; f1.setTime(4.,1,2)
+        f1ts=MEDFileField1TS() ; f1ts.setFieldNoProfileSBT(f1) ; f1ts.write(fname,0)
+        #
+        mm=MEDFileMesh.New(fname) ; f1ts=MEDFileField1TS(fname,fieldName,1,2)
+        self.assertTrue(f1.isEqual(f1ts.field(mm),1e-12,1e-12))
+        # here f1 lying on level -1 not 0 check if "field" method detect it !
+        f1=MEDCouplingFieldDouble(ON_CELLS) ; f1.setName(fieldName) ; f1.setArray(DataArrayDouble([(0,100),(1,101),(0,100),(1,101),(0,100),(1,101)]))
+        f1.setMesh(mm[-1]) # -1 is very important
+        f1.setTime(16.,3,4)
+        f1.checkConsistencyLight()
+        mm.write(fname,2)
+        f1ts=MEDFileField1TS() ; f1ts.setFieldNoProfileSBT(f1) ; f1ts.write(fname,0)
+        #
+        mm=MEDFileMesh.New(fname) ; f1ts=MEDFileField1TS(fname,fieldName,3,4)
+        self.assertTrue(f1.isEqual(f1ts.field(mm),1e-12,1e-12))
+        # nodes on elements
+        f3=MEDCouplingFieldDouble(ON_GAUSS_NE)
+        f3.setMesh(mm[-1]) # this line is important
+        arr3=DataArrayDouble([0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19]) ; f3.setArray(arr3) ; f3.setTime(0.5,2,3)
+        f3.setName(fieldName) ; f3.checkConsistencyLight()
+        mm.write(fname,2) ; ff=MEDFileField1TS() ; ff.setFieldNoProfileSBT(f3) ; ff.write(fname,0)
+        #
+        mm=MEDFileMesh.New(fname) ; f1ts=MEDFileField1TS(fname,fieldName,2,3)
+        self.assertTrue(f3.isEqual(f1ts.field(mm),1e-12,1e-12))
+        # gauss
+        f4=MEDCouplingFieldDouble(ON_GAUSS_PT)
+        f4.setMesh(mm[-1]) # this line is important
+        f4.setName(fieldName)
+        f4.setGaussLocalizationOnType(NORM_TRI3,[0.,0.,1.,0.,1.,1.],[0.1,0.1, 0.2,0.2, 0.3,0.3, 0.4,0.4, 0.5,0.5],[0.2,0.3,0.1,0.05,0.35])
+        f4.setGaussLocalizationOnType(NORM_QUAD4,[0.,0.,1.,0.,1.,1.,0.,1.],[0.3,0.4, 0.6,0.7],[0.7,0.3]) ; f4.setTime(0.25,4,5)
+        arr4=DataArrayDouble([0,1,2,3,4 ,10,11,12,13,14, 20,21,22,23,24, 30,31,32,33,34, 45,46, 55,56]) ; arr4.setInfoOnComponent(0,"abc") ; f4.setArray(arr4)
+        f4.checkConsistencyLight()
+        mm.write(fname,2) ; ff=MEDFileField1TS() ; ff.setFieldNoProfileSBT(f4) ; ff.write(fname,0)
+        mm=MEDFileMesh.New(fname) ; f1ts=MEDFileField1TS(fname,fieldName,4,5)
+        self.assertTrue(f4.isEqual(f1ts.field(mm),1e-12,1e-12))
+        pass
+
+    def testMEDFileFieldEasyField4(self):
+        """ Same than testMEDFileFieldEasyField3 but with integers"""
+        fname="Pyfile104.med"
+        fieldName="field1"
+        mm=MEDFileUMesh()
+        coo=DataArrayDouble([(3,2,1),(8,7,6),(5,9,10)])
+        m=MEDCouplingUMesh("mesh",2) ; m.setCoords(coo)
+        m.allocateCells()
+        m.insertNextCell(NORM_TRI3,[0,1,2])
+        m.insertNextCell(NORM_TRI3,[3,4,5])
+        m.insertNextCell(NORM_TRI3,[6,7,8])
+        m.insertNextCell(NORM_TRI3,[9,10,11])
+        m.insertNextCell(NORM_QUAD4,[100,101,102,103])
+        m.insertNextCell(NORM_QUAD4,[104,105,106,107])
+        mm[-1]=m
+        m0=MEDCouplingUMesh("mesh",3) ; m0.setCoords(coo)
+        m0.allocateCells()
+        m0.insertNextCell(NORM_TETRA4,[3,2,5,0])
+        m0.insertNextCell(NORM_TETRA4,[7,6,3,2])
+        mm[0]=m0
+        mm.write(fname,2)
+        # start slowly
+        f1=MEDCouplingFieldInt(ON_CELLS) ; f1.setName(fieldName) ; f1.setArray(DataArrayInt([(0,100),(1,101)])) ; f1.setMesh(mm[0]) ; f1.setTime(4.,1,2)
+        f1ts=MEDFileIntField1TS() ; f1ts.setFieldNoProfileSBT(f1) ; f1ts.write(fname,0)
+        #
+        mm=MEDFileMesh.New(fname) ; f1ts=MEDFileIntField1TS(fname,fieldName,1,2)
+        self.assertTrue(f1.isEqual(f1ts.field(mm),1e-12,1e-12))
+        # here f1 lying on level -1 not 0 check if "field" method detect it !
+        f1=MEDCouplingFieldInt(ON_CELLS) ; f1.setName(fieldName) ; f1.setArray(DataArrayInt([(0,100),(1,101),(0,100),(1,101),(0,100),(1,101)]))
+        f1.setMesh(mm[-1]) # -1 is very important
+        f1.setTime(16.,3,4)
+        f1.checkConsistencyLight()
+        mm.write(fname,2)
+        f1ts=MEDFileIntField1TS() ; f1ts.setFieldNoProfileSBT(f1) ; f1ts.write(fname,0)
+        #
+        mm=MEDFileMesh.New(fname) ; f1ts=MEDFileIntField1TS(fname,fieldName,3,4)
+        self.assertTrue(f1.isEqual(f1ts.field(mm),1e-12,1e-12))
+        # nodes on elements
+        f3=MEDCouplingFieldInt(ON_GAUSS_NE)
+        f3.setMesh(mm[-1]) # this line is important
+        arr3=DataArrayInt([0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19]) ; f3.setArray(arr3) ; f3.setTime(0.5,2,3)
+        f3.setName(fieldName) ; f3.checkConsistencyLight()
+        mm.write(fname,2) ; ff=MEDFileIntField1TS() ; ff.setFieldNoProfileSBT(f3) ; ff.write(fname,0)
+        #
+        mm=MEDFileMesh.New(fname) ; f1ts=MEDFileIntField1TS(fname,fieldName,2,3)
+        self.assertTrue(f3.isEqual(f1ts.field(mm),1e-12,1e-12))
+        # gauss
+        f4=MEDCouplingFieldInt(ON_GAUSS_PT)
+        f4.setMesh(mm[-1]) # this line is important
+        f4.setName(fieldName)
+        f4.setGaussLocalizationOnType(NORM_TRI3,[0.,0.,1.,0.,1.,1.],[0.1,0.1, 0.2,0.2, 0.3,0.3, 0.4,0.4, 0.5,0.5],[0.2,0.3,0.1,0.05,0.35])
+        f4.setGaussLocalizationOnType(NORM_QUAD4,[0.,0.,1.,0.,1.,1.,0.,1.],[0.3,0.4, 0.6,0.7],[0.7,0.3]) ; f4.setTime(0.25,4,5)
+        arr4=DataArrayInt([0,1,2,3,4 ,10,11,12,13,14, 20,21,22,23,24, 30,31,32,33,34, 45,46, 55,56]) ; arr4.setInfoOnComponent(0,"abc") ; f4.setArray(arr4)
+        f4.checkConsistencyLight()
+        mm.write(fname,2) ; ff=MEDFileIntField1TS() ; ff.setFieldNoProfileSBT(f4) ; ff.write(fname,0)
+        mm=MEDFileMesh.New(fname) ; f1ts=MEDFileIntField1TS(fname,fieldName,4,5)
+        self.assertTrue(f4.isEqual(f1ts.field(mm),1e-12,1e-12))
+        pass
+
+    def testMEDFileFieldEasyField5(self):
+        """More and more difficult now look at how profiles are managed by "field" method."""
+        fname="Pyfile105.med"
+        fieldName="field1"
+        mm=MEDFileUMesh()
+        coo=DataArrayDouble([(3,2,1),(8,7,6),(5,9,10)])
+        m=MEDCouplingUMesh("mesh",2) ; m.setCoords(coo)
+        m.allocateCells()
+        m.insertNextCell(NORM_TRI3,[0,1,2])
+        m.insertNextCell(NORM_TRI3,[3,4,5])
+        m.insertNextCell(NORM_TRI3,[6,7,8])
+        m.insertNextCell(NORM_TRI3,[9,10,11])
+        m.insertNextCell(NORM_QUAD4,[100,101,102,103])
+        m.insertNextCell(NORM_QUAD4,[104,105,106,107])
+        mm[0]=m
+        mm.write(fname,2)
+        pfl=DataArrayInt([0,2,3,5]) ; pfl.setName("pfl")
+        m2=m.deepCopy()[pfl] ; m2.setName(m.getName())
+        #
+        arr0=DataArrayDouble([10,11,12,13])
+        f=MEDCouplingFieldDouble(ON_CELLS) ; f.setArray(arr0) ; f.setMesh(m2)
+        f.setName(fieldName) ; f.setTime(2.,6,7) ; f.checkConsistencyLight()
+        ff=MEDFileFieldMultiTS() ; ff.appendFieldProfile(f,mm,0,pfl) # ff is a field on profile
+        ff.write(fname,0)
+        #
+        mm=MEDFileMesh.New(fname) ; f1ts=MEDFileField1TS(fname,fieldName,6,7)
+        self.assertTrue(f.isEqual(f1ts.field(mm),1e-12,1e-12))
+        # more complicated -> multi level
+        m0=MEDCouplingUMesh("mesh",3) ; m0.setCoords(coo)
+        m0.allocateCells()
+        m0.insertNextCell(NORM_TETRA4,[3,2,5,0])
+        m0.insertNextCell(NORM_TETRA4,[7,6,3,2])
+        mm2=MEDFileUMesh()
+        mm2[0]=m0 ; mm2[-1]=m
+        #
+        ff=MEDFileField1TS() ; ff.setFieldProfile(f,mm2,-1,pfl)
+        #
+        mm=MEDFileMesh.New(fname) ; f1ts=MEDFileField1TS(fname,fieldName,6,7)
+        self.assertTrue(f.isEqual(f1ts.field(mm),1e-12,1e-12))
+        pass
+
+    def testExtractPart1(self):
+        coo=DataArrayDouble([(0,0),(1,0),(2,0),(3,0),(4,0),(0,1),(1,1),(2,1),(3,1),(4,1),(0,2),(1,2),(2,2),(3,2),(4,2)])
+        meshName="mesh"
+        m0=MEDCouplingUMesh(meshName,2) ; m0.setCoords(coo) ; m0.allocateCells()
+        m0.insertNextCell(NORM_TRI3,[8,4,3])
+        m0.insertNextCell(NORM_TRI3,[8,9,4])
+        m0.insertNextCell(NORM_TRI3,[7,13,8])
+        m0.insertNextCell(NORM_TRI3,[7,12,13])
+        m0.insertNextCell(NORM_TRI3,[0,6,1])
+        m0.insertNextCell(NORM_TRI3,[0,5,6])
+        m0.insertNextCell(NORM_QUAD4,[1,6,7,2])
+        m0.insertNextCell(NORM_QUAD4,[2,7,8,3])
+        m0.insertNextCell(NORM_QUAD4,[8,13,14,9])
+        m0.insertNextCell(NORM_QUAD4,[6,11,12,7])
+        m0.insertNextCell(NORM_QUAD4,[5,10,11,6])
+        #
+        m1=MEDCouplingUMesh(meshName,1) ; m1.setCoords(coo) ; m1.allocateCells()
+        m1.insertNextCell(NORM_SEG2,[10,5])
+        m1.insertNextCell(NORM_SEG2,[5,0])
+        m1.insertNextCell(NORM_SEG2,[0,1])
+        m1.insertNextCell(NORM_SEG2,[1,2])
+        m1.insertNextCell(NORM_SEG2,[2,3])
+        m1.insertNextCell(NORM_SEG2,[3,4])
+        m1.insertNextCell(NORM_SEG2,[4,9])
+        m1.insertNextCell(NORM_SEG2,[9,14])
+        m1.insertNextCell(NORM_SEG2,[14,13])
+        m1.insertNextCell(NORM_SEG2,[13,12])
+        m1.insertNextCell(NORM_SEG2,[12,11])
+        m1.insertNextCell(NORM_SEG2,[11,10])
+        mm=MEDFileUMesh()
+        mm[0]=m0 ; mm[-1]=m1
+        arr0=DataArrayInt([0,1,2,3,4,6,7,8,12,13])
+        tab={} #
+        tab[0]=DataArrayInt([0,2,3,4,6,7])
+        tab[-1]=DataArrayInt([2,3,4,5,9])
+        fs=MEDFileFields()
+        self.assertTrue(mm.deduceNodeSubPartFromCellSubPart(tab).isEqual(arr0))
+        tab[1]=arr0
+        #
+        fname0="Field0"
+        fmts=MEDFileFieldMultiTS() ; fs.pushField(fmts)
+        t0=(16.5,3,4)
+        ic=["toto [m]"]
+        arr0_0=DataArrayDouble([100,101,102,103,104,105,106,107,108,109,110]) ; arr0_0.setInfoOnComponents(ic)
+        f0=MEDCouplingFieldDouble(ON_CELLS) ; f0.setTime(*t0) ; f0.setArray(arr0_0)
+        f0.setMesh(m0) ; f0.setName(fname0)
+        f1=MEDCouplingFieldDouble(ON_CELLS) ; f1.setTime(*t0) ; f1.setArray(DataArrayDouble([200,201,202,203,204,205,206,207,208,209,210,211]))
+        f1.setMesh(m1) ; f1.setName(fname0) ; f1.getArray().setInfoOnComponents(ic)
+        f2=MEDCouplingFieldDouble(ON_NODES) ; f2.setTime(*t0) ; f2.setArray(DataArrayDouble([300,301,302,303,304,305,306,307,308,309,310,311,312,313,314]))
+        f2.setMesh(m0) ; f2.setName(fname0) ; f2.getArray().setInfoOnComponents(ic)
+        f1ts=MEDFileField1TS() ; f1ts.setFieldNoProfileSBT(f0) ; f1ts.setFieldNoProfileSBT(f1) ; f1ts.setFieldNoProfileSBT(f2)
+        fmts.pushBackTimeStep(f1ts)
+        #
+        mmOut=mm.extractPart(tab)
+        #
+        fsPart0=fs.extractPart(tab,mm)
+        self.assertEqual(len(fsPart0),1)
+        fmtsP=fsPart0[0]
+        self.assertEqual(len(fmtsP),1)
+        f1ts=fmtsP[0]
+        self.assertRaises(InterpKernelException,f1ts.field,mmOut)
+        #
+        self.assertTrue(mmOut[0].computeCellCenterOfMass().isEqual(m0[tab[0]].computeCellCenterOfMass(),1e-12))
+        self.assertTrue(mmOut[-1].computeCellCenterOfMass().isEqual(m1[tab[-1]].computeCellCenterOfMass(),1e-12))
+        #
+        m0Part=m0.deepCopy()[tab[0]] ; m0Part.renumberNodes(tab[1].invertArrayN2O2O2N(mm.getNumberOfNodes()),len(tab[1])) ; m0Part.setName(m0.getName())
+        self.assertTrue(mmOut[0].isEqual(m0Part,1e-12))
+        m1Part=m1.deepCopy()[tab[-1]] ; m1Part.renumberNodes(tab[1].invertArrayN2O2O2N(mm.getNumberOfNodes()),len(tab[1])) ; m1Part.setName(m0.getName())
+        self.assertTrue(mmOut[0].isEqual(m0Part,1e-12))
+        self.assertTrue(mmOut[-1].isEqual(m1Part,1e-12))
+        #
+        f0Part=f1ts.getFieldOnMeshAtLevel(ON_CELLS,0,mmOut) ; f0Part.checkConsistencyLight()
+        self.assertEqual(f0Part.getTypeOfField(),ON_CELLS)
+        self.assertTrue(f0Part.getMesh().isEqual(m0Part,1e-12))
+        arr0Exp=DataArrayDouble([100,102,103,104,106,107]) ; arr0Exp.setInfoOnComponents(ic)
+        self.assertTrue(f0Part.getArray().isEqual(arr0Exp,1e-12)) ; self.assertEqual(f0Part.getTime(),list(t0))
+        f1Part=f1ts.getFieldOnMeshAtLevel(ON_CELLS,-1,mmOut) ; f1Part.checkConsistencyLight()
+        self.assertEqual(f1Part.getTypeOfField(),ON_CELLS)
+        self.assertTrue(f1Part.getMesh().isEqual(m1Part,1e-12))
+        arr1Exp=DataArrayDouble([202,203,204,205,209]) ; arr1Exp.setInfoOnComponents(ic)
+        self.assertTrue(f1Part.getArray().isEqual(arr1Exp,1e-12)) ; self.assertEqual(f1Part.getTime(),list(t0))
+        #
+        f2Part=f1ts.getFieldOnMeshAtLevel(ON_NODES,0,mmOut) ; f2Part.checkConsistencyLight()
+        arr2Exp=DataArrayDouble([300,301,302,303,304,306,307,308,312,313]) ; arr2Exp.setInfoOnComponents(ic)
+        self.assertTrue(f2Part.getArray().isEqual(arr2Exp,1e-12)) ; self.assertEqual(f2Part.getTime(),list(t0))
+        # multisteps
+        fs=MEDFileFields() ; fmts=MEDFileFieldMultiTS() ; fs.pushField(fmts)
+        tss=[(16.5,3,4),(17.5,4,5),(18.5,5,6)]
+        for i,tt in enumerate(tss):
+            f0=MEDCouplingFieldDouble(ON_CELLS) ; f0.setTime(*tt)
+            myarr=arr0_0+i*1000.
+            f0.setArray(myarr)
+            f0.setMesh(m0) ; f0.setName(fname0) ; f0.getArray().setInfoOnComponents(ic)
+            f1ts=MEDFileField1TS() ; f1ts.setFieldNoProfileSBT(f0) ; fmts.pushBackTimeStep(f1ts)
+            pass
+        fsPart1=fs.extractPart(tab,mm)
+        self.assertEqual(len(fsPart1),1)
+        fmtsP=fsPart1[0]
+        self.assertEqual(len(fmtsP),len(tss))
+        for i,(f1tsP,tt) in enumerate(zip(fmtsP,tss)):
+            fPart=f1tsP.field(mmOut) ; fPart.checkConsistencyLight()
+            self.assertEqual(fPart.getTypeOfField(),ON_CELLS)
+            arr0Exp=DataArrayDouble([100,102,103,104,106,107]) ; arr0Exp.setInfoOnComponents(ic) ; arr0Exp+=i*1000.
+            self.assertTrue(fPart.getMesh().isEqual(m0Part,1e-12))
+            self.assertTrue(fPart.getArray().isEqual(arr0Exp,1e-12))
+            self.assertEqual(fPart.getTime(),list(tt))
+            pass
+        pass
+
+    def testSymmetryPlusAggregationMFD1(self):
+        """ Testing of MEDFileData::Aggregate and MEDFileUMesh::Aggregate and MEDFileUMesh::getAllDistributionOfType """
+        fname1="Pyfile106_1.med"
+        fname2="Pyfile106_2.med"
+        fname3="Pyfile106_3.med"
+        meshName="mesh"
+        mm1=MEDFileUMesh()
+        da1=DataArrayDouble([1,2,10,3,4,11,5,6,12,7,8,13],4,3) ; da1.setInfoOnComponents(["aa [m]","bbb [kg]","cccc [MW]"])
+        mm1.setCoords(da1)
+        mm1_0=MEDCouplingUMesh(meshName,3) ; mm1_0.allocateCells()
+        mm1_0.setCoords(da1)
+        mm1_0.insertNextCell(NORM_TETRA4,[0,1,2,3])
+        mm1_0.insertNextCell(NORM_TETRA4,[4,5,6,7])
+        mm1_0.insertNextCell(NORM_PENTA6,[8,9,10,11,12,13])
+        mm1_0.insertNextCell(NORM_PENTA6,[14,15,16,17,18,19])
+        mm1_0.insertNextCell(NORM_PENTA6,[20,21,22,23,24,25])
+        mm1[0]=mm1_0
+        mm1.setFamilyFieldArr(0,DataArrayInt([1,2,3,4,5]))
+        mm1.setRenumFieldArr(0,DataArrayInt([11,12,13,14,15]))
+        #
+        mm1_1=MEDCouplingUMesh(meshName,2) ; mm1_1.allocateCells()
+        mm1_1.setCoords(da1)
+        mm1_1.insertNextCell(NORM_TRI3,[0,1,2])
+        mm1_1.insertNextCell(NORM_TRI3,[3,4,5])
+        mm1_1.insertNextCell(NORM_QUAD4,[6,7,8,9])
+        mm1_1.insertNextCell(NORM_QUAD4,[10,11,12,13])
+        mm1_1.insertNextCell(NORM_QUAD4,[14,15,16,17])
+        mm1_1.insertNextCell(NORM_QUAD4,[18,19,20,21])
+        mm1[-1]=mm1_1
+        mm1.setFamilyFieldArr(-1,DataArrayInt([6,7,8,9,10,11]))
+        mm1.setRenumFieldArr(-1,DataArrayInt([16,17,18,19,20,21]))
+        for i in range(1,10):
+            mm1.setFamilyId("F%d"%i,i)
+        mm1.setFamilyId("FAMILLE_ZERO",0)
+        mm1.setFamilyId("H1",100)
+        mm1.setFamiliesOnGroup("myGRP",["F2","F6"])
+        mm1.setFamiliesOnGroup("myGRP1",["F2","F6"])
+        mm1.setFamilyFieldArr(1,DataArrayInt([12,13,14,15]))
+        mm1.setRenumFieldArr(1,DataArrayInt([22,23,24,25]))
+        ##############
+        mm2=MEDFileUMesh()
+        da1=DataArrayDouble([9,10,30,11,12,31,13,14,32,15,16,33,17,18,34],5,3) ; da1.setInfoOnComponents(["aa [m]","bbb [kg]","cccc [MW]"])
+        mm2.setCoords(da1)
+        mm2_0=MEDCouplingUMesh(meshName,3) ; mm2_0.allocateCells()
+        mm2_0.setCoords(da1)
+        mm2_0.insertNextCell(NORM_TETRA4,[100,101,102,103])
+        mm2_0.insertNextCell(NORM_TETRA4,[104,105,106,107])
+        mm2_0.insertNextCell(NORM_TETRA4,[108,109,110,111])
+        mm2_0.insertNextCell(NORM_PENTA6,[112,113,114,115,116,117])
+        mm2[0]=mm2_0
+        mm2.setFamilyFieldArr(0,DataArrayInt([40,41,42,43]))
+        mm2.setRenumFieldArr(0,DataArrayInt([50,51,52,53]))
+        #
+        mm2_1=MEDCouplingUMesh(meshName,2) ; mm2_1.allocateCells()
+        mm2_1.setCoords(da1)
+        mm2_1.insertNextCell(NORM_TRI3,[100,101,102])
+        mm2_1.insertNextCell(NORM_TRI3,[103,104,105])
+        mm2_1.insertNextCell(NORM_TRI3,[106,107,108])
+        mm2_1.insertNextCell(NORM_QUAD4,[109,110,111,112])
+        mm2_1.insertNextCell(NORM_QUAD4,[113,114,115,116])
+        mm2_1.insertNextCell(NORM_QUAD4,[117,118,119,120])
+        mm2_1.insertNextCell(NORM_QUAD4,[121,122,123,124])
+        mm2_1.insertNextCell(NORM_QUAD4,[125,126,127,128])
+        mm2[-1]=mm2_1
+        mm2.setFamilyFieldArr(-1,DataArrayInt([200,201,202,203,204,205,206,207]))
+        mm2.setRenumFieldArr(-1,DataArrayInt([300,301,302,303,304,305,306,307]))
+        for i in range(1,12):
+            mm2.setFamilyId("G%d"%i,i+30)
+        mm2.setFamilyId("H1",100)
+        mm2.setFamilyId("FAMILLE_ZERO",0)
+        mm2.setFamiliesOnGroup("myGRP",["G2","G6"])
+        mm2.setFamiliesOnGroup("myGRP2",["G4","G7"])
+        mm2.setFamilyFieldArr(1,DataArrayInt([112,113,114,115,116]))
+        mm2.setRenumFieldArr(1,DataArrayInt([122,123,124,125,126]))
+        #
+        mm=MEDFileUMesh.Aggregate([mm1,mm2])
+        #######
+        def CheckMesh(tester,mm):
+            cooExp=DataArrayDouble([(1,2,10),(3,4,11),(5,6,12),(7,8,13),(9,10,30),(11,12,31),(13,14,32),(15,16,33),(17,18,34)]) ; cooExp.setInfoOnComponents(["aa [m]","bbb [kg]","cccc [MW]"])
+            tester.assertTrue(mm.getCoords().isEqual(cooExp,1e-12))
+            tester.assertTrue(mm[0].getNodalConnectivity().isEqual(DataArrayInt([14,0,1,2,3,14,4,5,6,7,14,104,105,106,107,14,108,109,110,111,14,112,113,114,115,16,8,9,10,11,12,13,16,14,15,16,17,18,19,16,20,21,22,23,24,25,16,116,117,118,119,120,121])))
+            tester.assertTrue(mm[0].getNodalConnectivityIndex().isEqual(DataArrayInt([0,5,10,15,20,25,32,39,46,53])))
+            tester.assertTrue(mm[-1].getNodalConnectivity().isEqual(DataArrayInt([3,0,1,2,3,3,4,5,3,104,105,106,3,107,108,109,3,110,111,112,4,6,7,8,9,4,10,11,12,13,4,14,15,16,17,4,18,19,20,21,4,113,114,115,116,4,117,118,119,120,4,121,122,123,124,4,125,126,127,128,4,129,130,131,132])))
+            tester.assertTrue(mm[-1].getNodalConnectivityIndex().isEqual(DataArrayInt([0,4,8,12,16,20,25,30,35,40,45,50,55,60,65])))
+            tester.assertTrue(mm.getFamilyFieldAtLevel(0).isEqual(DataArrayInt([1,2,40,41,42,3,4,5,43])))
+            tester.assertTrue(mm.getNumberFieldAtLevel(0).isEqual(DataArrayInt([11,12,50,51,52,13,14,15,53])))
+            tester.assertTrue(mm.getFamilyFieldAtLevel(-1).isEqual(DataArrayInt([6,7,200,201,202,8,9,10,11,203,204,205,206,207])))
+            tester.assertTrue(mm.getNumberFieldAtLevel(-1).isEqual(DataArrayInt([16,17,300,301,302,18,19,20,21,303,304,305,306,307])))
+            refFamIds=[("FAMILLE_ZERO",0),('F1',1),('F2',2),('F3',3),('F4',4),('F5',5),('F6',6),('F7',7),('F8',8),('F9',9),('G1',31),('G10',40),('G11',41),('G2',32),('G3',33),('G4',34),('G5',35),('G6',36),('G7',37),('G8',38),('G9',39),("H1",100)]
+            tester.assertEqual(set(mm.getFamiliesNames()),set([elt[0] for elt in refFamIds]))
+            tester.assertEqual(set([mm.getFamilyId(elt) for elt in mm.getFamiliesNames()]),set([elt[1] for elt in refFamIds]))
+            tester.assertEqual(mm.getGroupsNames(),('myGRP','myGRP1','myGRP2'))
+            tester.assertEqual(mm.getAllDistributionOfTypes(),[(NORM_TRI3,5),(NORM_QUAD4,9),(NORM_TETRA4,5),(NORM_PENTA6,4),(NORM_ERROR,9)])
+            pass
+        CheckMesh(self,mm)
+        ##
+        fieldName="zeField"
+        t1=(2.3,3,5)
+        t2=(5.6,7,12)
+        infoc=["dd [W]","eee [kA]"]
+        ##
+        fmts1=MEDFileFieldMultiTS()
+        f1ts1=MEDFileField1TS()
+        f1_1=MEDCouplingFieldDouble(ON_CELLS) ; f1_1.setMesh(mm1[0]) ; f1_1.setName(fieldName)
+        arr1=DataArrayDouble([(10,110),(11,111),(12,112),(13,113),(14,114)])
+        arr1.setInfoOnComponents(infoc)
+        f1_1.setArray(arr1) ; f1_1.setTime(*t1) ; f1_1.setTimeUnit("ms")
+        f1_1.checkConsistencyLight()
+        f1ts1.setFieldNoProfileSBT(f1_1)
+        #
+        f1_2=MEDCouplingFieldDouble(ON_CELLS) ; f1_2.setMesh(mm1[-1]) ; f1_2.setName(fieldName)
+        arr2=DataArrayDouble([(15,115),(16,116),(17,117),(18,118),(19,119),(20,120)])
+        arr2.setInfoOnComponents(infoc)
+        f1_2.setArray(arr2) ; f1_2.setTime(*t1) ; f1_2.setTimeUnit("ms")
+        f1_2.checkConsistencyLight()
+        f1ts1.setFieldNoProfileSBT(f1_2)
+        f1_3=MEDCouplingFieldDouble(ON_NODES) ; f1_3.setMesh(mm1[0]) ; f1_3.setName(fieldName)
+        arr3=DataArrayDouble([(21,121),(22,122),(23,123),(24,124)])
+        arr3.setInfoOnComponents(infoc)
+        f1_3.setArray(arr3) ; f1_3.setTime(*t1) ; f1_3.setTimeUnit("ms")
+        f1_3.checkConsistencyLight()
+        f1ts1.setFieldNoProfileSBT(f1_3)
+        fmts1.pushBackTimeStep(f1ts1)
+        #
+        f1ts2=f1ts1.deepCopy()
+        f1ts2.setTime(t2[1],t2[2],t2[0])
+        f1ts2.getUndergroundDataArray()[:]+=2000
+        fmts1.pushBackTimeStep(f1ts2)
+        ### fmts2
+        fmts2=MEDFileFieldMultiTS()
+        f1ts3=MEDFileField1TS()
+        f2_1=MEDCouplingFieldDouble(ON_CELLS) ; f2_1.setMesh(mm2[0]) ; f2_1.setName(fieldName)
+        arr4=DataArrayDouble([(50,150),(51,151),(52,152),(53,153)])
+        arr4.setInfoOnComponents(infoc)
+        f2_1.setArray(arr4) ; f2_1.setTime(*t1) ; f2_1.setTimeUnit("ms")
+        f2_1.checkConsistencyLight()
+        f1ts3.setFieldNoProfileSBT(f2_1)
+        f2_2=MEDCouplingFieldDouble(ON_CELLS) ; f2_2.setMesh(mm2[-1]) ; f2_2.setName(fieldName)
+        arr5=DataArrayDouble([(54,154),(55,155),(56,156),(57,157),(158,158),(59,159),(60,160),(61,161)])
+        arr5.setInfoOnComponents(infoc)
+        f2_2.setArray(arr5) ; f2_2.setTime(*t1) ; f2_2.setTimeUnit("ms")
+        f2_2.checkConsistencyLight()
+        f1ts3.setFieldNoProfileSBT(f2_2)
+        f2_3=MEDCouplingFieldDouble(ON_NODES) ; f2_3.setMesh(mm2[0]) ; f2_3.setName(fieldName)
+        arr6=DataArrayDouble([(62,162),(63,163),(64,164),(65,165),(66,166)])
+        arr6.setInfoOnComponents(infoc)
+        f2_3.setArray(arr6) ; f2_3.setTime(*t1) ; f2_3.setTimeUnit("ms")
+        f2_3.checkConsistencyLight()
+        f1ts3.setFieldNoProfileSBT(f2_3)
+        fmts2.pushBackTimeStep(f1ts3)
+        #
+        f1ts4=f1ts3.deepCopy()
+        f1ts4.setTime(t2[1],t2[2],t2[0])
+        f1ts4.getUndergroundDataArray()[:]+=2000
+        fmts2.pushBackTimeStep(f1ts4)
+        #
+        mfd1=MEDFileData()
+        mfd1.setMeshes(MEDFileMeshes())
+        mfd1.getMeshes().pushMesh(mm1)
+        mfd1.setFields(MEDFileFields())
+        mfd1.getFields().pushField(fmts1)
+        #
+        mfd2=MEDFileData()
+        mfd2.setMeshes(MEDFileMeshes())
+        mfd2.getMeshes().pushMesh(mm2)
+        mfd2.setFields(MEDFileFields())
+        mfd2.getFields().pushField(fmts2)
+        # ze Call !
+        mfd=MEDFileData.Aggregate([mfd1,mfd2])
+        def CheckMFD(tester,mfd):
+            tester.assertEqual(len(mfd.getMeshes()),1)
+            tester.assertEqual(len(mfd.getFields()),1)
+            CheckMesh(self,mfd.getMeshes()[0])
+            tester.assertEqual(len(mfd.getFields()[0]),2)
+            zeF1=mfd.getFields()[0][0]
+            zeF1_1=zeF1.getFieldOnMeshAtLevel(ON_CELLS,0,mfd.getMeshes()[0])
+            ref=MEDCouplingFieldDouble.MergeFields([f1_1,f2_1])
+            o2n=ref.getMesh().deepCopy().sortCellsInMEDFileFrmt()
+            ref.renumberCells(o2n)
+            tester.assertTrue(ref.isEqual(zeF1_1,1e-12,1e-12))
+            zeF1_2=zeF1.getFieldOnMeshAtLevel(ON_CELLS,-1,mfd.getMeshes()[0])
+            ref=MEDCouplingFieldDouble.MergeFields([f1_2,f2_2])
+            o2n=ref.getMesh().deepCopy().sortCellsInMEDFileFrmt()
+            ref.renumberCells(o2n)
+            tester.assertTrue(ref.isEqual(zeF1_2,1e-12,1e-12))
+            zeF1_3=zeF1.getFieldOnMeshAtLevel(ON_NODES,0,mfd.getMeshes()[0])
+            ref=MEDCouplingFieldDouble.MergeFields([f1_3,f2_3])
+            o2n=ref.getMesh().deepCopy().sortCellsInMEDFileFrmt()
+            ref.renumberCells(o2n)
+            tester.assertTrue(ref.isEqual(zeF1_3,1e-12,1e-12))
+            #
+            zeF2=mfd.getFields()[0][1]
+            zeF2_1=zeF2.getFieldOnMeshAtLevel(ON_CELLS,0,mfd.getMeshes()[0])
+            ref=MEDCouplingFieldDouble.MergeFields([f1_1,f2_1])
+            o2n=ref.getMesh().deepCopy().sortCellsInMEDFileFrmt()
+            ref.renumberCells(o2n)
+            ref.setTime(*t2) ; ref.getArray()[:]+=2000
+            tester.assertTrue(ref.isEqual(zeF2_1,1e-12,1e-12))
+            zeF2_2=zeF2.getFieldOnMeshAtLevel(ON_CELLS,-1,mfd.getMeshes()[0])
+            ref=MEDCouplingFieldDouble.MergeFields([f1_2,f2_2])
+            o2n=ref.getMesh().deepCopy().sortCellsInMEDFileFrmt()
+            ref.renumberCells(o2n)
+            ref.setTime(*t2) ; ref.getArray()[:]+=2000
+            tester.assertTrue(ref.isEqual(zeF2_2,1e-12,1e-12))
+            zeF2_3=zeF2.getFieldOnMeshAtLevel(ON_NODES,0,mfd.getMeshes()[0])
+            ref=MEDCouplingFieldDouble.MergeFields([f1_3,f2_3])
+            o2n=ref.getMesh().deepCopy().sortCellsInMEDFileFrmt()
+            ref.renumberCells(o2n)
+            ref.setTime(*t2) ; ref.getArray()[:]+=2000
+            tester.assertTrue(ref.isEqual(zeF2_3,1e-12,1e-12))
+        CheckMFD(self,mfd)
+        mfd1.write(fname1,2) ; mfd2.write(fname2,2)
+        mfd=MEDFileData.Aggregate([MEDFileData(fname1),MEDFileData(fname2)])
+        CheckMFD(self,mfd)
+        pass
+
+    def testExtrudedMesh1(self):
+        fname="Pyfile107.med"
+        arrX=DataArrayDouble([0,1,2,3]) ; arrY=DataArrayDouble([0,1,2,3,4]) ; arrZ=DataArrayDouble([0,1,2,3,4,5])
+        mesh3D=MEDCouplingCMesh() ; mesh3D.setCoords(arrX,arrY,arrZ) ; mesh3D.setName("mesh")
+        ex=MEDCouplingMappedExtrudedMesh(mesh3D)
+        mm=MEDFileUMesh(ex)
+        mm.write(fname,2)
+        ex2=mm.convertToExtrudedMesh()
+        mm2=MEDFileMesh.New(fname)
+        ex3=mm2.convertToExtrudedMesh()
+        self.assertTrue(ex.isEqual(ex2,1e-12))
+        self.assertTrue(ex.isEqual(ex3,1e-12))
+        pass
+    
+    @unittest.skipUnless(LooseVersion(MEDFileVersionStr())>=LooseVersion('3.2.1'),"This test requires at least MEDFile version 3.2.1")
+    def testWriteInto30(self):
+        fname="Pyfile108.med"
+        fname2="Pyfile109.med"
+        m=MEDCouplingUMesh("mesh",1) ; m.setCoords(DataArrayDouble([0,0,1,1],2,2)) ; m.allocateCells() ; m.insertNextCell(NORM_SEG2,[1,0])
+        mm=MEDFileUMesh() ; mm[0]=m
+        mm.setFamilyId("FAMILLE_ZERO",0)
+        #
+        mm.write30(fname,2)
+        assert(LooseVersion(MEDFileVersionOfFileStr(fname)).version[:2]==[3,0]) # checks that just written MED file has a version == 3.0.x
+        mm2=MEDFileUMesh(fname)
+        self.assertTrue(mm.isEqual(mm2,1e-12))
+        #
+        mm.write(fname2,2)
+        assert(LooseVersion(MEDFileVersionOfFileStr(fname2)).version[:2]==list(MEDFileVersion()[:2])) # checks that MED file version of written mesh is thoose of the current MED file lib
         pass
     pass
 
-unittest.main()
+if __name__ == "__main__":
+    unittest.main()