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[tools/medcoupling.git] / src / MEDLoader / Swig / MEDLoaderTest4.py
index 203f7f5788b2671c95a7ab209e134401b996730c..b7c17377ab1b20225fb0dae45d0b8814080da29d 100644 (file)
@@ -1,10 +1,10 @@
 #  -*- coding: iso-8859-1 -*-
-# Copyright (C) 2007-2013  CEA/DEN, EDF R&D
+# Copyright (C) 2007-2015  CEA/DEN, EDF R&D
 #
 # This library is free software; you can redistribute it and/or
 # modify it under the terms of the GNU Lesser General Public
 # License as published by the Free Software Foundation; either
-# version 2.1 of the License.
+# version 2.1 of the License, or (at your option) any later version.
 #
 # This library is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -149,15 +149,20 @@ class MEDLoaderTest4(unittest.TestCase):
         a0Exp=mm.getCoords().deepCpy()
         del m,m1,mm,fs,f,fCell0,fCell1
         ########## GO for reading in MEDReader, by not loading all. Mesh is fully loaded but not fields values
-        ms=MEDFileMeshes(fname)
+        ms=MEDFileMeshes(fname) ; ms.cartesianizeMe()
         fields=MEDFileFields(fname,False) # False is important to not read the values
+        fields.removeFieldsWithoutAnyTimeStep()
         refMem=fields.getHeapMemorySize()
         fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
         allFMTSLeavesToDisplay=[]
         for fields in fields_per_mesh:
             allFMTSLeavesToDisplay2=[]
             for fmts in fields:
-                allFMTSLeavesToDisplay2+=fmts.splitDiscretizations()
+                tmp=fmts.splitDiscretizations()
+                for itmp in tmp:
+                    self.assertTrue(not itmp.presenceOfMultiDiscPerGeoType())
+                    pass
+                allFMTSLeavesToDisplay2+=tmp
                 pass
             allFMTSLeavesToDisplay.append(allFMTSLeavesToDisplay2)
             pass
@@ -360,14 +365,19 @@ class MEDLoaderTest4(unittest.TestCase):
         a0Exp=mm.getCoords().deepCpy()
         del m,m1,mm,fs,f,fCell0,fCell1
         ########## GO for reading in MEDReader, by not loading all. Mesh is fully loaded but not fields values
-        ms=MEDFileMeshes(fname)
+        ms=MEDFileMeshes(fname) ; ms.cartesianizeMe()
         fields=MEDFileFields(fname,False)
+        fields.removeFieldsWithoutAnyTimeStep()
         fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
         allFMTSLeavesToDisplay=[]
         for fields in fields_per_mesh:
             allFMTSLeavesToDisplay2=[]
             for fmts in fields:
-                allFMTSLeavesToDisplay2+=fmts.splitDiscretizations()
+                tmp=fmts.splitDiscretizations()
+                for itmp in tmp:
+                    self.assertTrue(not itmp.presenceOfMultiDiscPerGeoType())
+                    pass
+                allFMTSLeavesToDisplay2+=tmp
                 pass
             allFMTSLeavesToDisplay.append(allFMTSLeavesToDisplay2)
             pass
@@ -521,14 +531,19 @@ class MEDLoaderTest4(unittest.TestCase):
         a0Exp=mm.getCoords().deepCpy()
         del m,m1,mm,fs,f,fCell0,fCell1
         ########## GO for reading in MEDReader, by not loading all. Mesh is fully loaded but not fields values
-        ms=MEDFileMeshes(fname)
+        ms=MEDFileMeshes(fname) ; ms.cartesianizeMe()
         fields=MEDFileFields(fname,False)
+        fields.removeFieldsWithoutAnyTimeStep()
         fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
         allFMTSLeavesToDisplay=[]
         for fields in fields_per_mesh:
             allFMTSLeavesToDisplay2=[]
             for fmts in fields:
-                allFMTSLeavesToDisplay2+=fmts.splitDiscretizations()
+                tmp=fmts.splitDiscretizations()
+                for itmp in tmp:
+                    self.assertTrue(not itmp.presenceOfMultiDiscPerGeoType())
+                    pass
+                allFMTSLeavesToDisplay2+=tmp
                 pass
             allFMTSLeavesToDisplay.append(allFMTSLeavesToDisplay2)
             pass
@@ -771,14 +786,19 @@ class MEDLoaderTest4(unittest.TestCase):
         a0Exp=mm.getCoords().deepCpy()
         del m,mm,fs1,fs2,fs3,f,fNode
         ########## GO for reading in MEDReader, by not loading all. Mesh is fully loaded but not fields values
-        ms=MEDFileMeshes(fname)
+        ms=MEDFileMeshes(fname) ; ms.cartesianizeMe()
         fields=MEDFileFields(fname,False)
+        fields.removeFieldsWithoutAnyTimeStep()
         fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
         allFMTSLeavesToDisplay=[]
         for fields in fields_per_mesh:
             allFMTSLeavesToDisplay2=[]
             for fmts in fields:
-                allFMTSLeavesToDisplay2+=fmts.splitDiscretizations()
+                tmp=fmts.splitDiscretizations()
+                for itmp in tmp:
+                    self.assertTrue(not itmp.presenceOfMultiDiscPerGeoType())
+                    pass
+                allFMTSLeavesToDisplay2+=tmp
                 pass
             allFMTSLeavesToDisplay.append(allFMTSLeavesToDisplay2)
             pass
@@ -898,14 +918,19 @@ class MEDLoaderTest4(unittest.TestCase):
         a0Exp=mm.getCoords().deepCpy()
         del m,mm,fs1,fs2,fs3,f,fNode
         ########## GO for reading in MEDReader,by not loading all. Mesh is fully loaded but not fields values
-        ms=MEDFileMeshes(fname)
+        ms=MEDFileMeshes(fname) ; ms.cartesianizeMe()
         fields=MEDFileFields(fname,False)
+        fields.removeFieldsWithoutAnyTimeStep()
         fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
         allFMTSLeavesToDisplay=[]
         for fields in fields_per_mesh:
             allFMTSLeavesToDisplay2=[]
             for fmts in fields:
-                allFMTSLeavesToDisplay2+=fmts.splitDiscretizations()
+                tmp=fmts.splitDiscretizations()
+                for itmp in tmp:
+                    self.assertTrue(not itmp.presenceOfMultiDiscPerGeoType())
+                    pass
+                allFMTSLeavesToDisplay2+=tmp
                 pass
             allFMTSLeavesToDisplay.append(allFMTSLeavesToDisplay2)
             pass
@@ -1059,14 +1084,19 @@ class MEDLoaderTest4(unittest.TestCase):
         fs0.write(fname,0) ; fs1.write(fname,0) ; fs2.write(fname,0) ; fs3.write(fname,0) ; fs4.write(fname,0)
         del m,mm,fs1,fs2,fs3,f,fNode
         ########## GO for reading in MEDReader,by not loading all. Mesh is fully loaded but not fields values
-        ms=MEDFileMeshes(fname)
+        ms=MEDFileMeshes(fname) ; ms.cartesianizeMe()
         fields=MEDFileFields(fname,False)
+        fields.removeFieldsWithoutAnyTimeStep()
         fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
         allFMTSLeavesToDisplay=[]
         for fields in fields_per_mesh:
             allFMTSLeavesToDisplay2=[]
             for fmts in fields:
-                allFMTSLeavesToDisplay2+=fmts.splitDiscretizations()
+                tmp=fmts.splitDiscretizations()
+                for itmp in tmp:
+                    self.assertTrue(not itmp.presenceOfMultiDiscPerGeoType())
+                    pass
+                allFMTSLeavesToDisplay2+=tmp
                 pass
             allFMTSLeavesToDisplay.append(allFMTSLeavesToDisplay2)
             pass
@@ -1086,7 +1116,8 @@ class MEDLoaderTest4(unittest.TestCase):
         fcscp=allFMTSLeavesPerCommonSupport[0][1]
         mml=fcscp.buildFromScratchDataSetSupport(0,fields)
         mml2=mml.prepare()
-        a,b=mml2.buildVTUArrays()
+        (a,b),c=mml2.buildVTUArrays()
+        self.assertTrue(c)# c is True here because the returned array is directly those coming from internal structure
         self.assertTrue(a.isEqual(coordsX,1e-12))
         self.assertTrue(b.isEqual(coordsY,1e-12))
         self.assertTrue(isinstance(mml2,MEDCMeshMultiLev))
@@ -1126,7 +1157,8 @@ class MEDLoaderTest4(unittest.TestCase):
         mml=fcscp.buildFromScratchDataSetSupport(0,fields)
         mml2=mml.prepare()
         self.assertTrue(isinstance(mml2,MEDCMeshMultiLev)) # here the 2nd support is a part of CMesh that is also a CMesh -> CMesh not a UMesh
-        a,b=mml2.buildVTUArrays()
+        (a,b),c=mml2.buildVTUArrays()
+        self.assertTrue(not c)# c is False because this a sub support specialy built for buildVTUArrays
         self.assertTrue(a.isEqual(coordsX[[2,3,4]],1e-12))
         self.assertTrue(b.isEqual(coordsY,1e-12))
         a6,a7=mml2.retrieveFamilyIdsOnCells()
@@ -1261,14 +1293,19 @@ class MEDLoaderTest4(unittest.TestCase):
         fs0.write(fname,0) ; fs1.write(fname,0) ; fs2.write(fname,0) ; fs3.write(fname,0) ; fs4.write(fname,0)
         del m,mm,fs1,fs2,fs3,f,fNode
         ########## GO for reading in MEDReader,by not loading all. Mesh is fully loaded but not fields values
-        ms=MEDFileMeshes(fname)
+        ms=MEDFileMeshes(fname) ; ms.cartesianizeMe()
         fields=MEDFileFields(fname,False)
+        fields.removeFieldsWithoutAnyTimeStep()
         fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
         allFMTSLeavesToDisplay=[]
         for fields in fields_per_mesh:
             allFMTSLeavesToDisplay2=[]
             for fmts in fields:
-                allFMTSLeavesToDisplay2+=fmts.splitDiscretizations()
+                tmp=fmts.splitDiscretizations()
+                for itmp in tmp:
+                    self.assertTrue(not itmp.presenceOfMultiDiscPerGeoType())
+                    pass
+                allFMTSLeavesToDisplay2+=tmp
                 pass
             allFMTSLeavesToDisplay.append(allFMTSLeavesToDisplay2)
             pass
@@ -1289,7 +1326,8 @@ class MEDLoaderTest4(unittest.TestCase):
         mml=fcscp.buildFromScratchDataSetSupport(0,fields)
         mml2=mml.prepare()
         self.assertTrue(isinstance(mml2,MEDCurveLinearMeshMultiLev))
-        a,b=mml2.buildVTUArrays()
+        a,b,c=mml2.buildVTUArrays()
+        self.assertTrue(c)#True here because a is directly coming from internal data without copy
         self.assertTrue(a.isEqual(a0Exp,1e-12))
         self.assertEqual(b,[5,3])
         a6,a7=mml2.retrieveFamilyIdsOnCells()
@@ -1325,7 +1363,8 @@ class MEDLoaderTest4(unittest.TestCase):
         mml=fcscp.buildFromScratchDataSetSupport(0,fields)
         mml2=mml.prepare()
         self.assertTrue(isinstance(mml2,MEDCurveLinearMeshMultiLev)) # here the 2nd support is a part of CMesh that is also a CMesh -> CMesh not a UMesh
-        a,b=mml2.buildVTUArrays()
+        a,b,c=mml2.buildVTUArrays()
+        self.assertTrue(not c)#False here because a is the result of a computation not the internal strucutre
         self.assertTrue(a.isEqual(a0Exp[pfl2],1e-12))
         self.assertEqual(b,[3,3])
         a6,a7=mml2.retrieveFamilyIdsOnCells()
@@ -1453,14 +1492,19 @@ class MEDLoaderTest4(unittest.TestCase):
         a0Exp=mm.getCoords().deepCpy()
         del m,mm,fs1,fs2,fs3,f,fNode
         ########## GO for reading in MEDReader,by not loading all. Mesh is fully loaded but not fields values
-        ms=MEDFileMeshes(fname)
+        ms=MEDFileMeshes(fname) ; ms.cartesianizeMe()
         fields=MEDFileFields(fname,False)
+        fields.removeFieldsWithoutAnyTimeStep()
         fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
         allFMTSLeavesToDisplay=[]
         for fields in fields_per_mesh:
             allFMTSLeavesToDisplay2=[]
             for fmts in fields:
-                allFMTSLeavesToDisplay2+=fmts.splitDiscretizations()
+                tmp=fmts.splitDiscretizations()
+                #for itmp in tmp:
+                #    self.assertTrue(not itmp.presenceOfMultiDiscPerGeoType())
+                #    pass
+                allFMTSLeavesToDisplay2+=tmp
                 pass
             allFMTSLeavesToDisplay.append(allFMTSLeavesToDisplay2)
             pass
@@ -1596,14 +1640,19 @@ class MEDLoaderTest4(unittest.TestCase):
         a0Exp=mm.getCoords().deepCpy()
         del m,mm,fs1,fs2,fs3,f,fNode
         ########## GO for reading in MEDReader,by not loading all. Mesh is fully loaded but not fields values
-        ms=MEDFileMeshes(fname)
+        ms=MEDFileMeshes(fname) ; ms.cartesianizeMe()
         fields=MEDFileFields(fname,False)
+        fields.removeFieldsWithoutAnyTimeStep()
         fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
         allFMTSLeavesToDisplay=[]
         for fields in fields_per_mesh:
             allFMTSLeavesToDisplay2=[]
             for fmts in fields:
-                allFMTSLeavesToDisplay2+=fmts.splitDiscretizations()
+                tmp=fmts.splitDiscretizations()
+                #for itmp in tmp:
+                #    self.assertTrue(not itmp.presenceOfMultiDiscPerGeoType())
+                #    pass
+                allFMTSLeavesToDisplay2+=tmp
                 pass
             allFMTSLeavesToDisplay.append(allFMTSLeavesToDisplay2)
             pass
@@ -1724,14 +1773,19 @@ class MEDLoaderTest4(unittest.TestCase):
         a0Exp=mm.getCoords().deepCpy()
         del m,mm,fs1,fs2,f,fNode
         ########## GO for reading in MEDReader,by not loading all. Mesh is fully loaded but not fields values
-        ms=MEDFileMeshes(fname)
+        ms=MEDFileMeshes(fname) ; ms.cartesianizeMe()
         fields=MEDFileFields(fname,False)
+        fields.removeFieldsWithoutAnyTimeStep()
         fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
         allFMTSLeavesToDisplay=[]
         for fields in fields_per_mesh:
             allFMTSLeavesToDisplay2=[]
             for fmts in fields:
-                allFMTSLeavesToDisplay2+=fmts.splitDiscretizations()
+                tmp=fmts.splitDiscretizations()
+                for itmp in tmp:
+                    self.assertTrue(not itmp.presenceOfMultiDiscPerGeoType())
+                    pass
+                allFMTSLeavesToDisplay2+=tmp
                 pass
             allFMTSLeavesToDisplay.append(allFMTSLeavesToDisplay2)
             pass
@@ -1822,14 +1876,19 @@ class MEDLoaderTest4(unittest.TestCase):
         a0Exp=mm.getCoords().deepCpy()
         del m,mm,fs0,f,fNode
         ########## GO for reading in MEDReader,by not loading all. Mesh is fully loaded but not fields values
-        ms=MEDFileMeshes(fname)
+        ms=MEDFileMeshes(fname) ; ms.cartesianizeMe()
         fields=MEDFileFields(fname,False)
+        fields.removeFieldsWithoutAnyTimeStep()
         fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
         allFMTSLeavesToDisplay=[]
         for fields in fields_per_mesh:
             allFMTSLeavesToDisplay2=[]
             for fmts in fields:
-                allFMTSLeavesToDisplay2+=fmts.splitDiscretizations()
+                tmp=fmts.splitDiscretizations()
+                #for itmp in tmp:
+                #    self.assertTrue(not itmp.presenceOfMultiDiscPerGeoType())
+                #    pass
+                allFMTSLeavesToDisplay2+=tmp
                 pass
             allFMTSLeavesToDisplay.append(allFMTSLeavesToDisplay2)
             pass
@@ -1912,14 +1971,19 @@ class MEDLoaderTest4(unittest.TestCase):
         a0Exp=mm.getCoords().deepCpy()
         del m,mm,fs0,fs1,f,fNode
         ########## GO for reading in MEDReader,by not loading all. Mesh is fully loaded but not fields values
-        ms=MEDFileMeshes(fname)
+        ms=MEDFileMeshes(fname) ; ms.cartesianizeMe()
         fields=MEDFileFields(fname,False)
+        fields.removeFieldsWithoutAnyTimeStep()
         fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
         allFMTSLeavesToDisplay=[]
         for fields in fields_per_mesh:
             allFMTSLeavesToDisplay2=[]
             for fmts in fields:
-                allFMTSLeavesToDisplay2+=fmts.splitDiscretizations()
+                tmp=fmts.splitDiscretizations()
+                #for itmp in tmp:
+                #    self.assertTrue(not itmp.presenceOfMultiDiscPerGeoType())
+                #    pass
+                allFMTSLeavesToDisplay2+=tmp
                 pass
             allFMTSLeavesToDisplay.append(allFMTSLeavesToDisplay2)
             pass
@@ -2024,14 +2088,19 @@ class MEDLoaderTest4(unittest.TestCase):
             a0Exp=mm.getCoords().deepCpy()
             del m,mm,fs0
             ########## GO for reading in MEDReader,by not loading all. Mesh is fully loaded but not fields values
-            ms=MEDFileMeshes(fname)
+            ms=MEDFileMeshes(fname) ; ms.cartesianizeMe()
             fields=MEDFileFields(fname,False)
+            fields.removeFieldsWithoutAnyTimeStep()
             fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
             allFMTSLeavesToDisplay=[]
             for fields in fields_per_mesh:
                 allFMTSLeavesToDisplay2=[]
                 for fmts in fields:
-                    allFMTSLeavesToDisplay2+=fmts.splitDiscretizations()
+                    tmp=fmts.splitDiscretizations()
+                    for itmp in tmp:
+                        self.assertTrue(not itmp.presenceOfMultiDiscPerGeoType())
+                        pass
+                    allFMTSLeavesToDisplay2+=tmp
                     pass
                 allFMTSLeavesToDisplay.append(allFMTSLeavesToDisplay2)
                 pass
@@ -2175,14 +2244,19 @@ class MEDLoaderTest4(unittest.TestCase):
             a0Exp=mm.getCoords().deepCpy()
             del m,mm,fs0
             ########## GO for reading in MEDReader,by not loading all. Mesh is fully loaded but not fields values
-            ms=MEDFileMeshes(fname)
+            ms=MEDFileMeshes(fname) ; ms.cartesianizeMe()
             fields=MEDFileFields(fname,False)
+            fields.removeFieldsWithoutAnyTimeStep()
             fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
             allFMTSLeavesToDisplay=[]
             for fields in fields_per_mesh:
                 allFMTSLeavesToDisplay2=[]
                 for fmts in fields:
-                    allFMTSLeavesToDisplay2+=fmts.splitDiscretizations()
+                    tmp=fmts.splitDiscretizations()
+                    for itmp in tmp:
+                        self.assertTrue(not itmp.presenceOfMultiDiscPerGeoType())
+                        pass
+                    allFMTSLeavesToDisplay2+=tmp
                     pass
                 allFMTSLeavesToDisplay.append(allFMTSLeavesToDisplay2)
                 pass
@@ -2332,14 +2406,19 @@ class MEDLoaderTest4(unittest.TestCase):
         mm.write(fname,2)
         ffs.write(fname,0)
         ########## GO for reading in MEDReader,by not loading all. Mesh is fully loaded but not fields values
-        ms=MEDFileMeshes(fname)
+        ms=MEDFileMeshes(fname) ; ms.cartesianizeMe()
         fields=MEDFileFields(fname,False)
+        fields.removeFieldsWithoutAnyTimeStep()
         fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
         allFMTSLeavesToDisplay=[]
         for fields in fields_per_mesh:
             allFMTSLeavesToDisplay2=[]
             for fmts in fields:
-                allFMTSLeavesToDisplay2+=fmts.splitDiscretizations()
+                tmp=fmts.splitDiscretizations()
+                for itmp in tmp:
+                    self.assertTrue(not itmp.presenceOfMultiDiscPerGeoType())
+                    pass
+                allFMTSLeavesToDisplay2+=tmp
                 pass
             allFMTSLeavesToDisplay.append(allFMTSLeavesToDisplay2)
             pass
@@ -2519,14 +2598,19 @@ class MEDLoaderTest4(unittest.TestCase):
         #
         mms.write(fname,2) ; mts.write(fname,0)
         ########## GO for reading in MEDReader,by not loading all. Mesh is fully loaded but not fields values
-        ms=MEDFileMeshes(fname)
+        ms=MEDFileMeshes(fname) ; ms.cartesianizeMe()
         fields=MEDFileFields(fname,False)
+        fields.removeFieldsWithoutAnyTimeStep()
         fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
         allFMTSLeavesToDisplay=[]
         for fields in fields_per_mesh:
             allFMTSLeavesToDisplay2=[]
             for fmts in fields:
-                allFMTSLeavesToDisplay2+=fmts.splitDiscretizations()
+                tmp=fmts.splitDiscretizations()
+                for itmp in tmp:
+                    self.assertTrue(not itmp.presenceOfMultiDiscPerGeoType())
+                    pass
+                allFMTSLeavesToDisplay2+=tmp
                 pass
             allFMTSLeavesToDisplay.append(allFMTSLeavesToDisplay2)
             pass
@@ -2590,14 +2674,19 @@ class MEDLoaderTest4(unittest.TestCase):
         f3.setName(fieldName3)
         MEDLoader.WriteFieldUsingAlreadyWrittenMesh(fname,f3)
         ########## GO for reading in MEDReader,by not loading all. Mesh is fully loaded but not fields values
-        ms=MEDFileMeshes(fname)
+        ms=MEDFileMeshes(fname) ; ms.cartesianizeMe()
         fields=MEDFileFields(fname,False)
+        fields.removeFieldsWithoutAnyTimeStep()
         fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
         allFMTSLeavesToDisplay=[]
         for fields in fields_per_mesh:
             allFMTSLeavesToDisplay2=[]
             for fmts in fields:
-                allFMTSLeavesToDisplay2+=fmts.splitDiscretizations()
+                tmp=fmts.splitDiscretizations()
+                for itmp in tmp:
+                    self.assertTrue(not itmp.presenceOfMultiDiscPerGeoType())
+                    pass
+                allFMTSLeavesToDisplay2+=tmp
                 pass
             allFMTSLeavesToDisplay.append(allFMTSLeavesToDisplay2)
             pass
@@ -2701,14 +2790,19 @@ class MEDLoaderTest4(unittest.TestCase):
         f3.setName(fieldName3)
         MEDLoader.WriteFieldUsingAlreadyWrittenMesh(fname,f3)
         ########## GO for reading in MEDReader,by not loading all. Mesh is fully loaded but not fields values
-        ms=MEDFileMeshes(fname)
+        ms=MEDFileMeshes(fname) ; ms.cartesianizeMe()
         fields=MEDFileFields(fname,False)
+        fields.removeFieldsWithoutAnyTimeStep()
         fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
         allFMTSLeavesToDisplay=[]
         for fields in fields_per_mesh:
             allFMTSLeavesToDisplay2=[]
             for fmts in fields:
-                allFMTSLeavesToDisplay2+=fmts.splitDiscretizations()
+                tmp=fmts.splitDiscretizations()
+                for itmp in tmp:
+                    self.assertTrue(not itmp.presenceOfMultiDiscPerGeoType())
+                    pass
+                allFMTSLeavesToDisplay2+=tmp
                 pass
             allFMTSLeavesToDisplay.append(allFMTSLeavesToDisplay2)
             pass
@@ -2724,6 +2818,7 @@ class MEDLoaderTest4(unittest.TestCase):
         mst=MEDFileMeshStruct.New(ms[0])
         #
         fcscp=allFMTSLeavesPerCommonSupport1[0][1]
+        self.assertEqual([NORM_QUAD4],fcscp.getGeoTypesAt(0,ms[0]))
         mml=fcscp.buildFromScratchDataSetSupport(0,fields)
         mml2=mml.prepare()
         self.assertTrue(isinstance(mml2,MEDUMeshMultiLev))
@@ -2765,14 +2860,18 @@ class MEDLoaderTest4(unittest.TestCase):
             self.assertTrue(v.isEqual(vExp1[i],1e-12))
             pass
         ## Now same exercise but with a different load strategy. All is load directly.
-        ms=MEDFileMeshes(fname)
+        ms=MEDFileMeshes(fname) ; ms.cartesianizeMe()
         fields=MEDFileFields(fname) # here all is read, the SauvReader (or other Reader) is emulated
         fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
         allFMTSLeavesToDisplay=[]
         for fields in fields_per_mesh:
             allFMTSLeavesToDisplay2=[]
             for fmts in fields:
-                allFMTSLeavesToDisplay2+=fmts.splitDiscretizations()
+                tmp=fmts.splitDiscretizations()
+                for itmp in tmp:
+                    self.assertTrue(not itmp.presenceOfMultiDiscPerGeoType())
+                    pass
+                allFMTSLeavesToDisplay2+=tmp
                 pass
             allFMTSLeavesToDisplay.append(allFMTSLeavesToDisplay2)
             pass
@@ -2865,14 +2964,19 @@ class MEDLoaderTest4(unittest.TestCase):
         mm.write(fname,2)
         ff.write(fname,0)
         ########## GO for reading in MEDReader,by not loading all. Mesh is fully loaded but not fields values
-        ms=MEDFileMeshes(fname)
+        ms=MEDFileMeshes(fname) ; ms.cartesianizeMe()
         fields=MEDFileFields(fname,False)
+        fields.removeFieldsWithoutAnyTimeStep()
         fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
         allFMTSLeavesToDisplay=[]
         for fields in fields_per_mesh:
             allFMTSLeavesToDisplay2=[]
             for fmts in fields:
-                allFMTSLeavesToDisplay2+=fmts.splitDiscretizations()
+                tmp=fmts.splitDiscretizations()
+                for itmp in tmp:
+                    self.assertTrue(not itmp.presenceOfMultiDiscPerGeoType())
+                    pass
+                allFMTSLeavesToDisplay2+=tmp
                 pass
             allFMTSLeavesToDisplay.append(allFMTSLeavesToDisplay2)
             pass
@@ -3044,14 +3148,19 @@ class MEDLoaderTest4(unittest.TestCase):
         fs.appendGlobs(fmts3,1e-12)
         fs.write(fname,0)
         ########## GO for reading in MEDReader,by not loading all. Mesh is fully loaded but not fields values
-        ms=MEDFileMeshes(fname)
+        ms=MEDFileMeshes(fname) ; ms.cartesianizeMe()
         fields=MEDFileFields(fname,False)
+        fields.removeFieldsWithoutAnyTimeStep()
         fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
         allFMTSLeavesToDisplay=[]
         for fields in fields_per_mesh:
             allFMTSLeavesToDisplay2=[]
             for fmts in fields:
-                allFMTSLeavesToDisplay2+=fmts.splitDiscretizations()
+                tmp=fmts.splitDiscretizations()
+                for itmp in tmp:
+                    self.assertTrue(not itmp.presenceOfMultiDiscPerGeoType())
+                    pass
+                allFMTSLeavesToDisplay2+=tmp
                 pass
             allFMTSLeavesToDisplay.append(allFMTSLeavesToDisplay2)
             pass
@@ -3240,14 +3349,19 @@ class MEDLoaderTest4(unittest.TestCase):
         mm.write(fname,2)
         fs.write(fname,0)
         ########## GO for reading in MEDReader,by not loading all. Mesh is fully loaded but not fields values
-        ms=MEDFileMeshes(fname)
+        ms=MEDFileMeshes(fname) ; ms.cartesianizeMe()
         fields=MEDFileFields(fname,False)
+        fields.removeFieldsWithoutAnyTimeStep()
         fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
         allFMTSLeavesToDisplay=[]
         for fields in fields_per_mesh:
             allFMTSLeavesToDisplay2=[]
             for fmts in fields:
-                allFMTSLeavesToDisplay2+=fmts.splitDiscretizations()
+                tmp=fmts.splitDiscretizations()
+                for itmp in tmp:
+                    self.assertTrue(not itmp.presenceOfMultiDiscPerGeoType())
+                    pass
+                allFMTSLeavesToDisplay2+=tmp
                 pass
             allFMTSLeavesToDisplay.append(allFMTSLeavesToDisplay2)
             pass
@@ -3263,6 +3377,7 @@ class MEDLoaderTest4(unittest.TestCase):
         mst=MEDFileMeshStruct.New(ms[0])
         #
         fcscp=allFMTSLeavesPerCommonSupport1[0][1]
+        self.assertEqual([NORM_TRI3,NORM_SEG2],fcscp.getGeoTypesAt(0,ms[0]))#contains all cell types of underlying mesh because only nodes with no profiles
         mml=fcscp.buildFromScratchDataSetSupport(0,fields)
         mml2=mml.prepare()
         self.assertTrue(isinstance(mml2,MEDUMeshMultiLev))
@@ -3346,14 +3461,19 @@ class MEDLoaderTest4(unittest.TestCase):
         mm.write(fname,2)
         fmts0.write(fname,0)
         ########## GO for reading in MEDReader,by not loading all. Mesh is fully loaded but not fields values
-        ms=MEDFileMeshes(fname)
+        ms=MEDFileMeshes(fname) ; ms.cartesianizeMe()
         fields=MEDFileFields(fname,False)
+        fields.removeFieldsWithoutAnyTimeStep()
         fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
         allFMTSLeavesToDisplay=[]
         for fields in fields_per_mesh:
             allFMTSLeavesToDisplay2=[]
             for fmts in fields:
-                allFMTSLeavesToDisplay2+=fmts.splitDiscretizations()
+                tmp=fmts.splitDiscretizations()
+                for itmp in tmp:
+                    self.assertTrue(not itmp.presenceOfMultiDiscPerGeoType())
+                    pass
+                allFMTSLeavesToDisplay2+=tmp
                 pass
             allFMTSLeavesToDisplay.append(allFMTSLeavesToDisplay2)
             pass
@@ -3446,14 +3566,19 @@ class MEDLoaderTest4(unittest.TestCase):
         mm.write(fname,2)
         fmts0.write(fname,0)
         ########## GO for reading in MEDReader,by not loading all. Mesh is fully loaded but not fields values
-        ms=MEDFileMeshes(fname)
+        ms=MEDFileMeshes(fname) ; ms.cartesianizeMe()
         fields=MEDFileFields(fname,False)
+        fields.removeFieldsWithoutAnyTimeStep()
         fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
         allFMTSLeavesToDisplay=[]
         for fields in fields_per_mesh:
             allFMTSLeavesToDisplay2=[]
             for fmts in fields:
-                allFMTSLeavesToDisplay2+=fmts.splitDiscretizations()
+                tmp=fmts.splitDiscretizations()
+                for itmp in tmp:
+                    self.assertTrue(not itmp.presenceOfMultiDiscPerGeoType())
+                    pass
+                allFMTSLeavesToDisplay2+=tmp
                 pass
             allFMTSLeavesToDisplay.append(allFMTSLeavesToDisplay2)
             pass
@@ -3472,7 +3597,8 @@ class MEDLoaderTest4(unittest.TestCase):
         mml=fcscp.buildFromScratchDataSetSupport(0,fields)
         mml2=mml.prepare()
         self.assertTrue(isinstance(mml2,MEDCMeshMultiLev))
-        a,b,c=mml2.buildVTUArrays()
+        (a,b,c),d=mml2.buildVTUArrays()
+        self.assertTrue(d)#d is True because the a,b and c are directly those in the internal data structure
         self.assertTrue(a.isEqual(arr0,1e-12))
         self.assertTrue(b.isEqual(arr1,1e-12))
         self.assertTrue(c.isEqual(arr2,1e-12))
@@ -3490,7 +3616,1767 @@ class MEDLoaderTest4(unittest.TestCase):
             self.assertTrue(v.isEqual(vExp,1e-12))
             pass
         pass
-    
+
+    def test25(self):
+        """ A tricky test that reproduces an invalid behaviour
+        Here a same field is defined both on CELLS and GAUSS_PT, with a profile for each.
+        The problem appears on array computation when performing CELLS then GAUSS_PT and CELLS again.
+        """
+        fname="ForMEDReader25.med"
+        m=MEDFileUMesh()
+        coords=DataArrayDouble([0.,0.,1.,0.,2.,0.,0.,1.,1.,1.,2.,1.,0.,2.,1.,2.,2.,2.,0.,3.,1.,3.,2.,3.,1.,4.,1.,5.,1.,6.],15,2)
+        m0=MEDCouplingUMesh("mesh",2) ; m0.setCoords(coords)
+        m0.allocateCells()
+        m0.insertNextCell(NORM_QUAD4,[0,3,4,1])
+        m0.insertNextCell(NORM_QUAD4,[1,4,5,2])
+        m0.insertNextCell(NORM_QUAD4,[3,6,7,4])
+        m0.insertNextCell(NORM_QUAD4,[4,7,8,5])
+        m0.insertNextCell(NORM_QUAD4,[6,9,10,7])
+        m0.insertNextCell(NORM_QUAD4,[7,10,11,8])
+        m.setMeshAtLevel(0,m0)
+        m1=MEDCouplingUMesh("mesh",1) ; m1.setCoords(coords)
+        m1.allocateCells()
+        m1.insertNextCell(NORM_SEG2,[10,12])
+        m1.insertNextCell(NORM_SEG2,[12,13])
+        m1.insertNextCell(NORM_SEG2,[13,14])
+        m.setMeshAtLevel(-1,m1)
+        m.setFamilyFieldArr(0,DataArrayInt([-1,-2,-3,-4,-5,-6]))
+        m.setFamilyFieldArr(-1,DataArrayInt([-7,-8,-9]))
+        m.setFamilyFieldArr(1,DataArrayInt([3,4,5,6,7,8,9,10,11,12,13,14,15,16,17]))
+        m.setRenumFieldArr(0,DataArrayInt([101,102,103,104,105,106]))
+        m.setRenumFieldArr(-1,DataArrayInt([107,108,109]))
+        m.setRenumFieldArr(1,DataArrayInt([203,204,205,206,207,208,209,210,211,212,213,214,215,216,217]))
+        #
+        fmts=MEDFileFieldMultiTS()
+        info0=["aa","bbb"]
+        name0="zeField"
+        pflName0="pfl"
+        pflName1="pfl2"
+        #
+        f1ts=MEDFileField1TS()
+        f=MEDCouplingFieldDouble(ON_CELLS) ; f.setName(name0)
+        arr=DataArrayDouble([(-1,-11),(-2,-22)]) ; arr.setInfoOnComponents(info0)
+        f.setArray(arr)
+        pfl0=DataArrayInt([0,1]) ; pfl0.setName(pflName0)
+        f1ts.setFieldProfile(f,m,-1,pfl0)
+        del f
+        f2=MEDCouplingFieldDouble(ON_GAUSS_PT) ; f2.setName(name0)
+        arr=DataArrayDouble(15) ; arr.iota(1)
+        arr=DataArrayDouble.Meld(arr,arr+10) ; arr.setInfoOnComponents(info0)
+        f2.setArray(arr)
+        pfl1=DataArrayInt([1,3,5]) ; pfl1.setName(pflName1)
+        tmp=m0[pfl1] ; f2.setMesh(tmp)
+        f2.setGaussLocalizationOnType(NORM_QUAD4,[-1.,-1.,1.,-1.,1.,1.,-1.,1.],[-0.5,-0.5,0.5,-0.5,0.5,0.5,-0.5,0.5,0.,0.],[0.1,0.1,0.1,0.1,0.6])
+        f2.checkCoherency()
+        f1ts.setFieldProfile(f2,m,0,pfl1)
+        fmts.pushBackTimeStep(f1ts)
+        #
+        m.write(fname,2)
+        fmts.write(fname,0)
+        ########## GO for reading in MEDReader,by not loading all. Mesh is fully loaded but not fields values
+        ms=MEDFileMeshes(fname) ; ms.cartesianizeMe()
+        fields=MEDFileFields(fname,False) # false is absolutely necessary for the test
+        fields.removeFieldsWithoutAnyTimeStep()
+        fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
+        allFMTSLeavesToDisplay=[]
+        for fields in fields_per_mesh:
+            allFMTSLeavesToDisplay2=[]
+            for fmts in fields:
+                tmp=fmts.splitDiscretizations()
+                for itmp in tmp:
+                    self.assertTrue(not itmp.presenceOfMultiDiscPerGeoType())
+                    pass
+                allFMTSLeavesToDisplay2+=tmp
+                pass
+            allFMTSLeavesToDisplay.append(allFMTSLeavesToDisplay2)
+            pass
+        self.assertEqual(len(allFMTSLeavesToDisplay),1)
+        self.assertEqual(len(allFMTSLeavesToDisplay[0]),2)
+        ### here the test is important !!! Pointers must be different !
+        self.assertTrue(allFMTSLeavesToDisplay[0][0][0].getUndergroundDataArray().getHiddenCppPointer()!=allFMTSLeavesToDisplay[0][1][0].getUndergroundDataArray().getHiddenCppPointer())
+        allFMTSLeavesPerTimeSeries=MEDFileAnyTypeFieldMultiTS.SplitIntoCommonTimeSeries(sum(allFMTSLeavesToDisplay,[]))
+        self.assertEqual(len(allFMTSLeavesPerTimeSeries),1)
+        self.assertEqual(len(allFMTSLeavesPerTimeSeries[0]),2)
+        ### here the test is important !!! Pointers must be different !
+        self.assertTrue(allFMTSLeavesToDisplay[0][0][0].getUndergroundDataArray().getHiddenCppPointer()!=allFMTSLeavesToDisplay[0][1][0].getUndergroundDataArray().getHiddenCppPointer())
+        allFMTSLeavesPerCommonSupport1=MEDFileAnyTypeFieldMultiTS.SplitPerCommonSupport(allFMTSLeavesToDisplay[0],ms[ms.getMeshesNames()[0]])
+        self.assertTrue(allFMTSLeavesToDisplay[0][0][0].getUndergroundDataArray().getHiddenCppPointer()!=allFMTSLeavesToDisplay[0][1][0].getUndergroundDataArray().getHiddenCppPointer())
+        self.assertEqual(len(allFMTSLeavesPerCommonSupport1),2)
+        self.assertEqual(len(allFMTSLeavesPerCommonSupport1[0][0]),1)
+        self.assertEqual(len(allFMTSLeavesPerCommonSupport1[1][0]),1)
+        #
+        mst=MEDFileMeshStruct.New(ms[0])
+        # emulate first click
+        fcscp=allFMTSLeavesPerCommonSupport1[0][1]
+        self.assertEqual([NORM_SEG2],fcscp.getGeoTypesAt(0,ms[0]))
+        mml=fcscp.buildFromScratchDataSetSupport(0,fields)
+        mml2=mml.prepare()
+        self.assertTrue(isinstance(mml2,MEDUMeshMultiLev))
+        ncc,a0,a1,a2,a3,a4,a5=mml2.buildVTUArrays()
+        self.assertTrue(not ncc) # copy here because 2D -> 3D
+        expCoords=coords.changeNbOfComponents(3,0.)
+        self.assertTrue(a0.isEqual(expCoords,1e-12))
+        self.assertTrue(a1.isEqual(DataArrayByte([3,3])))
+        self.assertTrue(a2.isEqual(DataArrayInt([0,3])))
+        self.assertTrue(a3.isEqual(DataArrayInt([2,10,12,2,12,13])))
+        self.assertTrue(a4 is None)
+        self.assertTrue(a5 is None)
+        a6,a7=mml2.retrieveFamilyIdsOnCells()
+        self.assertTrue(a6.isEqual(DataArrayInt([-7,-8])))
+        self.assertTrue(not a7) # copy here because profile on cells
+        a8,a9=mml2.retrieveNumberIdsOnCells()
+        self.assertTrue(a8.isEqual(DataArrayInt([107,108])))
+        self.assertTrue(not a9) # copy here because profile on cells
+        a10,a11=mml2.retrieveFamilyIdsOnNodes()
+        self.assertTrue(a10.isEqual(DataArrayInt([3,4,5,6,7,8,9,10,11,12,13,14,15,16,17])))
+        self.assertTrue(a11) # no copy here
+        a12,a13=mml2.retrieveNumberIdsOnNodes()
+        self.assertTrue(a12.isEqual(DataArrayInt([203,204,205,206,207,208,209,210,211,212,213,214,215,216,217])))
+        self.assertTrue(a13) # no copy here
+        fff0=allFMTSLeavesPerCommonSupport1[0][0][0][0]
+        fsst=MEDFileField1TSStructItem.BuildItemFrom(fff0,mst)
+        fff0.loadArraysIfNecessary()
+        self.assertEqual([ON_CELLS],fff0.getTypesOfFieldAvailable())
+        v=mml.buildDataArray(fsst,fields,fff0.getUndergroundDataArray())
+        self.assertEqual(fff0.getName(),name0)
+        self.assertEqual(v.getHiddenCppPointer(),fff0.getUndergroundDataArray().getHiddenCppPointer())
+        vExp=DataArrayDouble([(-1,-11),(-2,-22)]) ; vExp.setInfoOnComponents(info0)
+        self.assertTrue(v.isEqual(vExp,1e-12))
+        del fff0
+        # emulate second click
+        fcscp=allFMTSLeavesPerCommonSupport1[1][1]
+        self.assertEqual([NORM_QUAD4],fcscp.getGeoTypesAt(0,ms[0]))
+        mml=fcscp.buildFromScratchDataSetSupport(0,fields)
+        mml2=mml.prepare()
+        self.assertTrue(isinstance(mml2,MEDUMeshMultiLev))
+        ncc,a0,a1,a2,a3,a4,a5=mml2.buildVTUArrays()
+        self.assertTrue(not ncc) # copy here because 2D -> 3D
+        expCoords=coords.changeNbOfComponents(3,0.)
+        self.assertTrue(a0.isEqual(expCoords,1e-12))
+        self.assertTrue(a1.isEqual(DataArrayByte([9,9,9])))
+        self.assertTrue(a2.isEqual(DataArrayInt([0,5,10])))
+        self.assertTrue(a3.isEqual(DataArrayInt([4,1,4,5,2,4,4,7,8,5,4,7,10,11,8])))
+        self.assertTrue(a4 is None)
+        self.assertTrue(a5 is None)
+        a6,a7=mml2.retrieveFamilyIdsOnCells()
+        self.assertTrue(a6.isEqual(DataArrayInt([-2,-4,-6])))
+        self.assertTrue(not a7) # copy here because profile on cells
+        a8,a9=mml2.retrieveNumberIdsOnCells()
+        self.assertTrue(a8.isEqual(DataArrayInt([102,104,106])))
+        self.assertTrue(not a9) # copy here because profile on cells
+        a10,a11=mml2.retrieveFamilyIdsOnNodes()
+        self.assertTrue(a10.isEqual(DataArrayInt([3,4,5,6,7,8,9,10,11,12,13,14,15,16,17])))
+        self.assertTrue(a11) # no copy here
+        a12,a13=mml2.retrieveNumberIdsOnNodes()
+        self.assertTrue(a12.isEqual(DataArrayInt([203,204,205,206,207,208,209,210,211,212,213,214,215,216,217])))
+        self.assertTrue(a13) # no copy here
+        fff1=allFMTSLeavesPerCommonSupport1[1][0][0][0]
+        fsst=MEDFileField1TSStructItem.BuildItemFrom(fff1,mst)
+        fff1.loadArraysIfNecessary()
+        self.assertEqual([ON_GAUSS_PT],fff1.getTypesOfFieldAvailable())
+        v=mml.buildDataArray(fsst,fields,fff1.getUndergroundDataArray())
+        self.assertEqual(fff1.getName(),name0)
+        self.assertEqual(v.getHiddenCppPointer(),fff1.getUndergroundDataArray().getHiddenCppPointer())
+        vExp=DataArrayDouble([1.,11.,2.,12.,3.,13.,4.,14.,5.,15.,6.,16.,7.,17.,8.,18.,9.,19.,10.,20.,11.,21.,12.,22.,13.,23.,14.,24.,15.,25.],15,2) ; vExp.setInfoOnComponents(info0)
+        self.assertTrue(v.isEqual(vExp,1e-12))
+        # emulate third click
+        fcscp=allFMTSLeavesPerCommonSupport1[0][1]
+        mml=fcscp.buildFromScratchDataSetSupport(0,fields)
+        mml2=mml.prepare()
+        self.assertTrue(isinstance(mml2,MEDUMeshMultiLev))
+        ncc,a0,a1,a2,a3,a4,a5=mml2.buildVTUArrays()
+        self.assertTrue(not ncc) # copy here because 2D -> 3D
+        expCoords=coords.changeNbOfComponents(3,0.)
+        self.assertTrue(a0.isEqual(expCoords,1e-12))
+        self.assertTrue(a1.isEqual(DataArrayByte([3,3])))
+        self.assertTrue(a2.isEqual(DataArrayInt([0,3])))
+        self.assertTrue(a3.isEqual(DataArrayInt([2,10,12,2,12,13])))
+        self.assertTrue(a4 is None)
+        self.assertTrue(a5 is None)
+        a6,a7=mml2.retrieveFamilyIdsOnCells()
+        self.assertTrue(a6.isEqual(DataArrayInt([-7,-8])))
+        self.assertTrue(not a7) # copy here because profile on cells
+        a8,a9=mml2.retrieveNumberIdsOnCells()
+        self.assertTrue(a8.isEqual(DataArrayInt([107,108])))
+        self.assertTrue(not a9) # copy here because profile on cells
+        a10,a11=mml2.retrieveFamilyIdsOnNodes()
+        self.assertTrue(a10.isEqual(DataArrayInt([3,4,5,6,7,8,9,10,11,12,13,14,15,16,17])))
+        self.assertTrue(a11) # no copy here
+        a12,a13=mml2.retrieveNumberIdsOnNodes()
+        self.assertTrue(a12.isEqual(DataArrayInt([203,204,205,206,207,208,209,210,211,212,213,214,215,216,217])))
+        self.assertTrue(a13) # no copy here
+        fff0=allFMTSLeavesPerCommonSupport1[0][0][0][0]
+        fsst=MEDFileField1TSStructItem.BuildItemFrom(fff0,mst)
+        fff0.loadArraysIfNecessary()
+        self.assertEqual([ON_CELLS],fff0.getTypesOfFieldAvailable())
+        v=mml.buildDataArray(fsst,fields,fff0.getUndergroundDataArray())
+        self.assertEqual(fff0.getName(),name0)
+        self.assertEqual(v.getHiddenCppPointer(),fff0.getUndergroundDataArray().getHiddenCppPointer())
+        vExp=DataArrayDouble([(-1,-11),(-2,-22)]) ; vExp.setInfoOnComponents(info0)
+        self.assertTrue(v.isEqual(vExp,1e-12)) # <- THE test is here !!!
+        del fff0
+        pass
+
+    def test26(self):
+        """ Test focused on field on nodes (here f0Node and f1Node) lying on a profile of nodes that do not match perfectly a sub set of cells of its underlying mesh. See bug EDF 2405 and 2177.
+        For this type of fields the support will contain only vertices.
+        """
+        fname="ForMEDReader26.med"
+        coords=DataArrayDouble([(0.,0.,0.),(1.,0.,0.),(2.,0.,0.),(3.,0.,0.),(0.,1.,0.),(1.,1.,0.),(2.,1.,0.),(3.,1.,0.),(0.,2.,0.),(1.,2.,0.),(2.,2.,0.),(3.,2.,0.),(0.,3.,0.),(1.,3.,0.),(2.,3.,0.),(3.,3.,0.)])
+        m0=MEDCouplingUMesh("mesh",2)
+        m0.allocateCells()
+        for elt in [[2,6,3],[6,7,3],[9,6,5],[9,10,6]]:
+            m0.insertNextCell(NORM_TRI3,elt)
+            pass
+        for elt in [[0,4,5,1],[1,5,6,2],[4,8,9,5],[6,10,11,7],[8,12,13,9],[9,13,14,10],[10,14,15,11]]:
+            m0.insertNextCell(NORM_QUAD4,elt)
+            pass
+        m0.setCoords(coords)
+        ##
+        mm=MEDFileUMesh()
+        mm.setMeshAtLevel(0,m0)
+        mm.setFamilyFieldArr(0,DataArrayInt([-1,-2,-3,-4,-5,-6,-7,-8,-9,-10,-11]))
+        mm.setFamilyFieldArr(1,DataArrayInt([1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16]))
+        #
+        f1ts0Node=MEDFileField1TS()
+        f1ts1Node=MEDFileField1TS()
+        f1ts2Cell=MEDFileField1TS()
+        f1ts3Cell=MEDFileField1TS()
+        f1ts4Cell=MEDFileField1TS()
+        f1ts5Node=MEDFileField1TS()
+        #
+        pfl0=DataArrayInt([4,5,6,8,9,12]) ; pfl0.setName("pfl0")
+        pfl1=DataArrayInt([0,1,4,5,7,10]) ; pfl1.setName("pfl1")
+        pfl2=DataArrayInt([0,1,2,3,4,5,6,7,10,11,14,15]) ; pfl2.setName("pfl2")
+        #
+        f0Node=MEDCouplingFieldDouble(ON_NODES) ; f0Node.setName("f0Node")
+        arr0=DataArrayDouble(6) ; arr0.iota()
+        f0Node.setArray(arr0)
+        f1ts0Node.setFieldProfile(f0Node,mm,0,pfl0)
+        #
+        f1Node=MEDCouplingFieldDouble(ON_NODES) ; f1Node.setName("f1Node")
+        arr1=DataArrayDouble(6) ; arr1.iota() ; arr1.reverse()
+        f1Node.setArray(arr1)
+        f1ts1Node.setFieldProfile(f1Node,mm,0,pfl0)
+        #
+        f2Cell=MEDCouplingFieldDouble(ON_CELLS) ; f2Cell.setName("f2Cell")
+        arr2=DataArrayDouble([2,3,0,1,4,5])
+        f2Cell.setArray(arr2)
+        f1ts2Cell.setFieldProfile(f2Cell,mm,0,pfl1)
+        #
+        f3Cell=MEDCouplingFieldDouble(ON_CELLS) ; f3Cell.setName("f3Cell")
+        arr3=DataArrayDouble([5,4,3,2,1,0])
+        f3Cell.setArray(arr3)
+        f1ts3Cell.setFieldProfile(f3Cell,mm,0,pfl1)
+        #
+        f4Cell=MEDCouplingFieldDouble(ON_CELLS) ; f4Cell.setName("f4Cell")
+        arr4=DataArrayDouble([2,2,0,1,1,0])
+        f4Cell.setArray(arr4)
+        f1ts4Cell.setFieldProfile(f4Cell,mm,0,pfl1)
+        #
+        f5Node=MEDCouplingFieldDouble(ON_NODES) ; f5Node.setName("f5Node")
+        arr5=DataArrayDouble([0,1,2,3,10,11,13,2,11,1,10,0])
+        f5Node.setArray(arr5)
+        f1ts5Node.setFieldProfile(f5Node,mm,0,pfl2)
+        #
+        fs=MEDFileFields()
+        for f in [f1ts0Node,f1ts1Node,f1ts2Cell,f1ts3Cell,f1ts4Cell,f1ts5Node]:
+            fmts=MEDFileFieldMultiTS()
+            fmts.pushBackTimeStep(f)
+            fs.pushField(fmts)
+            pass
+        mm.write(fname,2)
+        fs.write(fname,0)
+        ########## GO for reading in MEDReader,by not loading all. Mesh is fully loaded but not fields values
+        ms=MEDFileMeshes(fname) ; ms.cartesianizeMe()
+        fields=MEDFileFields(fname,False)
+        fields.removeFieldsWithoutAnyTimeStep()
+        fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
+        allFMTSLeavesToDisplay=[]
+        for fields in fields_per_mesh:
+            allFMTSLeavesToDisplay2=[]
+            for fmts in fields:
+                tmp=fmts.splitDiscretizations()
+                for itmp in tmp:
+                    self.assertTrue(not itmp.presenceOfMultiDiscPerGeoType())
+                    pass
+                allFMTSLeavesToDisplay2+=tmp
+                pass
+            allFMTSLeavesToDisplay.append(allFMTSLeavesToDisplay2)
+            pass
+        self.assertEqual(len(allFMTSLeavesToDisplay),1)
+        self.assertEqual(len(allFMTSLeavesToDisplay[0]),6)
+        allFMTSLeavesPerTimeSeries=MEDFileAnyTypeFieldMultiTS.SplitIntoCommonTimeSeries(sum(allFMTSLeavesToDisplay,[]))
+        self.assertEqual(len(allFMTSLeavesPerTimeSeries),1)
+        self.assertEqual(len(allFMTSLeavesPerTimeSeries[0]),6)
+        allFMTSLeavesPerCommonSupport1=MEDFileAnyTypeFieldMultiTS.SplitPerCommonSupport(allFMTSLeavesToDisplay[0],ms[ms.getMeshesNames()[0]])
+        self.assertEqual(len(allFMTSLeavesPerCommonSupport1),2)
+        self.assertEqual(len(allFMTSLeavesPerCommonSupport1[0][0]),4)
+        self.assertEqual(len(allFMTSLeavesPerCommonSupport1[1][0]),2)# <- the smart one is here
+        #
+        mst=MEDFileMeshStruct.New(ms[0])
+        #
+        fcscp=allFMTSLeavesPerCommonSupport1[1][1]
+        mml=fcscp.buildFromScratchDataSetSupport(0,fields)
+        mml2=mml.prepare()
+        self.assertTrue(isinstance(mml2,MEDUMeshMultiLev))
+        self.assertEqual([3,4,0],mml2.getGeoTypes())
+        ncc,a0,a1,a2,a3,a4,a5=mml2.buildVTUArrays()
+        self.assertTrue(not ncc)
+        self.assertTrue(a0.isEqual(DataArrayDouble([0.,1.,0.,1.,1.,0.,2.,1.,0.,0.,2.,0.,1.,2.,0.,0.,3.,0.],6,3),1e-12))
+        self.assertTrue(a1.isEqual(DataArrayByte([5,9,1])))
+        self.assertTrue(a2.isEqual(DataArrayInt([0,4,9])))
+        self.assertTrue(a3.isEqual(DataArrayInt([3,4,2,1,4,0,3,4,1,1,5])))
+        self.assertTrue(a4 is None)
+        self.assertTrue(a5 is None)
+        a6,a7=mml2.retrieveFamilyIdsOnCells()
+        self.assertTrue(a6.isEqual(DataArrayInt([-3,-7,13])))
+        self.assertTrue(not a7) # copy here because profile on cells
+        a8,a9=mml2.retrieveNumberIdsOnCells()
+        self.assertTrue(a8 is None)
+        self.assertTrue(a9) # no copy here because no number field
+        a10,a11=mml2.retrieveFamilyIdsOnNodes()
+        self.assertTrue(a10.isEqual(DataArrayInt([5,6,7,9,10,13])))
+        self.assertTrue(not a11) # copy here
+        a12,a13=mml2.retrieveNumberIdsOnNodes()
+        self.assertTrue(a12 is None)
+        self.assertTrue(a13) # no copy here because no number field
+        #
+        fff0=allFMTSLeavesPerCommonSupport1[1][0][0][0]
+        fsst=MEDFileField1TSStructItem.BuildItemFrom(fff0,mst)
+        fff0.loadArraysIfNecessary()
+        v=mml2.buildDataArray(fsst,fields,fff0.getUndergroundDataArray())
+        self.assertEqual(fff0.getName(),"f0Node")
+        self.assertEqual(v.getHiddenCppPointer(),fff0.getUndergroundDataArray().getHiddenCppPointer())
+        vExp=DataArrayDouble([0.,1.,2.,3.,4.,5.])
+        self.assertTrue(v.isEqual(vExp,1e-12)) # <- THE test is here !!!
+        #
+        fff1=allFMTSLeavesPerCommonSupport1[1][0][1][0]
+        fsst=MEDFileField1TSStructItem.BuildItemFrom(fff1,mst)
+        fff1.loadArraysIfNecessary()
+        v=mml2.buildDataArray(fsst,fields,fff1.getUndergroundDataArray())
+        self.assertEqual(fff1.getName(),"f1Node")
+        self.assertEqual(v.getHiddenCppPointer(),fff1.getUndergroundDataArray().getHiddenCppPointer())
+        vExp=DataArrayDouble([5.,4.,3.,2.,1.,0.])
+        self.assertTrue(v.isEqual(vExp,1e-12)) # <- THE test is here !!!
+        pass
+
+    def test27(self):
+        """ This test defines 2 fields f0 and f1 on nodes lying on an unstructured mesh with no cells.
+        f0 is a field on all nodes. f1 is a partial field on nodes.
+        """
+        fname="ForMEDReader27.med"
+        coords=DataArrayDouble([(0.,0.,0.),(1.,0.,0.),(2.,0.,0.),(3.,0.,0.),(0.,1.,0.),(1.,1.,0.),(2.,1.,0.),(3.,1.,0.),(0.,2.,0.),(1.,2.,0.),(2.,2.,0.),(3.,2.,0.),(0.,3.,0.),(1.,3.,0.),(2.,3.,0.),(3.,3.,0.)])
+        m0=MEDCouplingUMesh("mesh",2)
+        m0.allocateCells()
+        m0.setCoords(coords)
+        ##
+        mm=MEDFileUMesh()
+        mm.setMeshAtLevel(0,m0)
+        mm.setFamilyFieldArr(1,DataArrayInt([1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16]))
+        #
+        f1ts0=MEDFileField1TS()
+        f1ts1=MEDFileField1TS()
+        #
+        f0=MEDCouplingFieldDouble(ON_NODES) ; f0.setMesh(m0) ; f0.setName("f0NoPfl")
+        arr0=DataArrayDouble([0.,1.,2.,3.,1.,1.5,2.2,3.1,2.,2.2,3.,3.1,3.,3.1,3.5,4.])
+        f0.setArray(arr0)
+        f0.checkCoherency()
+        f1ts0.setFieldNoProfileSBT(f0)
+        self.assertEqual(f1ts0.getMeshName(),"mesh")
+        #
+        pfl1=DataArrayInt([0,1,2,3,4,5,6,8,9,12]) ; pfl1.setName("pfl1")
+        f1=MEDCouplingFieldDouble(ON_NODES) ; f1.setName("f1Pfl")
+        arr1=DataArrayDouble([3.,2.,1.,0.,2.,1.5,0.,1.,0.,0.2])
+        f1.setArray(arr1)
+        f1ts1.setFieldProfile(f1,mm,0,pfl1)
+        self.assertEqual(f1ts1.getMeshName(),"mesh")
+        #
+        fs=MEDFileFields()
+        fmts0=MEDFileFieldMultiTS()
+        fmts0.pushBackTimeStep(f1ts0)
+        fmts1=MEDFileFieldMultiTS()
+        fmts1.pushBackTimeStep(f1ts1)
+        fs.pushField(fmts0) ; fs.pushField(fmts1)
+        self.assertEqual(fs[0].getMeshName(),"mesh")
+        self.assertEqual(fs[1].getMeshName(),"mesh")
+        mm.write(fname,2)
+        fs.write(fname,0)
+        ########## GO for reading in MEDReader,by not loading all. Mesh is fully loaded but not fields values
+        ms=MEDFileMeshes(fname) ; ms.cartesianizeMe()
+        fields=MEDFileFields(fname,False)
+        fields.removeFieldsWithoutAnyTimeStep()
+        self.assertEqual(fields[0].getMeshName(),"mesh")
+        self.assertEqual(fields[1].getMeshName(),"mesh")
+        fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
+        self.assertEqual(fields_per_mesh[0][0].getMeshName(),"mesh")
+        self.assertEqual(fields_per_mesh[0][1].getMeshName(),"mesh")
+        allFMTSLeavesToDisplay=[]
+        for fields in fields_per_mesh:
+            allFMTSLeavesToDisplay2=[]
+            for fmts in fields:
+                tmp=fmts.splitDiscretizations()
+                for itmp in tmp:
+                    self.assertTrue(not itmp.presenceOfMultiDiscPerGeoType())
+                    pass
+                allFMTSLeavesToDisplay2+=tmp
+                pass
+            allFMTSLeavesToDisplay.append(allFMTSLeavesToDisplay2)
+            pass
+        self.assertEqual(len(allFMTSLeavesToDisplay),1)
+        self.assertEqual(len(allFMTSLeavesToDisplay[0]),2)
+        allFMTSLeavesPerTimeSeries=MEDFileAnyTypeFieldMultiTS.SplitIntoCommonTimeSeries(sum(allFMTSLeavesToDisplay,[]))
+        self.assertEqual(len(allFMTSLeavesPerTimeSeries),1)
+        self.assertEqual(len(allFMTSLeavesPerTimeSeries[0]),2)
+        allFMTSLeavesPerCommonSupport1=MEDFileAnyTypeFieldMultiTS.SplitPerCommonSupport(allFMTSLeavesToDisplay[0],ms[ms.getMeshesNames()[0]])
+        self.assertEqual(len(allFMTSLeavesPerCommonSupport1),2)
+        self.assertEqual(len(allFMTSLeavesPerCommonSupport1[0][0]),1)
+        self.assertEqual(len(allFMTSLeavesPerCommonSupport1[1][0]),1)
+        #
+        mst=MEDFileMeshStruct.New(ms[0])
+        #
+        fcscp=allFMTSLeavesPerCommonSupport1[0][1]
+        mml=fcscp.buildFromScratchDataSetSupport(0,fields)
+        mml2=mml.prepare()
+        self.assertTrue(isinstance(mml2,MEDUMeshMultiLev))
+        ncc,a0,a1,a2,a3,a4,a5=mml2.buildVTUArrays()
+        self.assertTrue(ncc)
+        self.assertTrue(a0.isEqual(DataArrayDouble([(0.,0.,0.),(1.,0.,0.),(2.,0.,0.),(3.,0.,0.),(0.,1.,0.),(1.,1.,0.),(2.,1.,0.),(3.,1.,0.),(0.,2.,0.),(1.,2.,0.),(2.,2.,0.),(3.,2.,0.),(0.,3.,0.),(1.,3.,0.),(2.,3.,0.),(3.,3.,0.)]),1e-12))
+        self.assertTrue(a1.isEqual(DataArrayByte([])))
+        self.assertTrue(a2.isEqual(DataArrayInt([])))
+        self.assertTrue(a3.isEqual(DataArrayInt([])))
+        self.assertTrue(a4 is None)
+        self.assertTrue(a5 is None)
+        #
+        fff0=allFMTSLeavesPerCommonSupport1[0][0][0][0]
+        fsst=MEDFileField1TSStructItem.BuildItemFrom(fff0,mst)
+        fff0.loadArraysIfNecessary()
+        v=mml2.buildDataArray(fsst,fields,fff0.getUndergroundDataArray())
+        self.assertEqual(fff0.getName(),"f0NoPfl")
+        self.assertEqual(v.getHiddenCppPointer(),fff0.getUndergroundDataArray().getHiddenCppPointer())
+        vExp=DataArrayDouble([0.,1.,2.,3.,1.,1.5,2.2,3.1,2.,2.2,3.,3.1,3.,3.1,3.5,4])
+        self.assertTrue(v.isEqual(vExp,1e-12))
+        #
+        fcscp=allFMTSLeavesPerCommonSupport1[1][1]
+        mml=fcscp.buildFromScratchDataSetSupport(0,fields)
+        mml2=mml.prepare()
+        self.assertTrue(isinstance(mml2,MEDUMeshMultiLev))
+        ncc,a0,a1,a2,a3,a4,a5=mml2.buildVTUArrays()
+        self.assertTrue(not ncc)
+        self.assertTrue(a0.isEqual(DataArrayDouble([(0,0,0),(1,0,0),(2,0,0),(3,0,0),(0,1,0),(1,1,0),(2,1,0),(0,2,0),(1,2,0),(0,3,0)]),1e-12))
+        self.assertTrue(a1.isEqual(DataArrayByte([])))
+        self.assertTrue(a2.isEqual(DataArrayInt([])))
+        self.assertTrue(a3.isEqual(DataArrayInt([])))
+        self.assertTrue(a4 is None)
+        self.assertTrue(a5 is None)
+        fff1=allFMTSLeavesPerCommonSupport1[1][0][0][0]
+        fsst=MEDFileField1TSStructItem.BuildItemFrom(fff1,mst)
+        fff1.loadArraysIfNecessary()
+        v=mml2.buildDataArray(fsst,fields,fff1.getUndergroundDataArray())
+        self.assertEqual(fff1.getName(),"f1Pfl")
+        self.assertNotEqual(v.getHiddenCppPointer(),fff1.getUndergroundDataArray().getHiddenCppPointer()) # pointers are not equal because Profile
+        vExp=DataArrayDouble([3.,2.,1.,0.,2.,1.5,0.,1.,0.,0.2])
+        self.assertTrue(v.isEqual(vExp,1e-12))
+        pass
+
+    def test28(self):
+        """ This test defines 2 fields f0,f1,f2,f3 lying on an unstructured mesh whith cells including NORM_POINT1.
+        Both f0 and f1 are on NODES and f2 and f3 are on cells. f1 and f2 share the same support.
+        f0 is on a nodal support that is not matchable with any cells (including NORM_POINT1)
+        This test is a more aggressive version of test26.
+        """
+        fname="ForMEDReader28.med"
+        coords=DataArrayDouble([(0.,0.,0.),(1.,0.,0.),(2.,0.,0.),(3.,0.,0.),(0.,1.,0.),(1.,1.,0.),(2.,1.,0.),(3.,1.,0.),(0.,2.,0.),(1.,2.,0.),(2.,2.,0.),(3.,2.,0.),(0.,3.,0.),(1.,3.,0.),(2.,3.,0.),(3.,3.,0.)])
+        m0=MEDCouplingUMesh("mesh",2)
+        m0.allocateCells()
+        for elt in [[2,6,3],[6,7,3],[9,6,5],[9,10,6]]:
+            m0.insertNextCell(NORM_TRI3,elt)
+            pass
+        for elt in [[0,4,5,1],[1,5,6,2],[4,8,9,5],[6,10,11,7],[8,12,13,9],[9,13,14,10],[10,14,15,11]]:
+            m0.insertNextCell(NORM_QUAD4,elt)
+            pass
+        m0.setCoords(coords)
+        m2=MEDCouplingUMesh("mesh",0) ; m2.setCoords(coords)
+        m2.allocateCells()
+        for elt in [[8],[13]]:
+            m2.insertNextCell(NORM_POINT1,elt)
+            pass
+        ##
+        mm=MEDFileUMesh()
+        mm.setMeshAtLevel(0,m0)
+        mm.setMeshAtLevel(-2,m2)
+        mm.setFamilyFieldArr(0,DataArrayInt([-1,-2,-3,-4,-5,-6,-7,-8,-9,-10,-11]))
+        mm.setFamilyFieldArr(-2,DataArrayInt([-12,-13]))
+        mm.setFamilyFieldArr(1,DataArrayInt([1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16]))
+        #
+        f1ts0Node=MEDFileField1TS()
+        f1ts1Node=MEDFileField1TS()
+        f1ts2Cell=MEDFileField1TS()
+        f1ts3Cell=MEDFileField1TS()
+        #
+        pfl0=DataArrayInt([4,5,6,8,9,12]) ; pfl0.setName("pfl0")
+        pfl1=DataArrayInt([0,1,4,5,7,10]) ; pfl1.setName("pfl1")
+        pfl2=DataArrayInt([0,1,2,3,4,5,6,7,10,11,14,15]) ; pfl2.setName("pfl2")
+        #
+        f0Node=MEDCouplingFieldDouble(ON_NODES) ; f0Node.setName("f0Node")
+        arr0=DataArrayDouble(6) ; arr0.iota()
+        f0Node.setArray(arr0)
+        f1ts0Node.setFieldProfile(f0Node,mm,0,pfl0)
+        #
+        f1Node=MEDCouplingFieldDouble(ON_NODES) ; f1Node.setName("f1Node")
+        arr1=DataArrayDouble(12) ; arr1.iota() ; arr1.reverse()
+        f1Node.setArray(arr1)
+        f1ts1Node.setFieldProfile(f1Node,mm,0,pfl2)
+        #
+        f2Cell=MEDCouplingFieldDouble(ON_CELLS) ; f2Cell.setName("f2Cell")
+        arr2=DataArrayDouble([2,3,0,1,4,5])
+        f2Cell.setArray(arr2)
+        f1ts2Cell.setFieldProfile(f2Cell,mm,0,pfl1)
+        #
+        f3Cell=MEDCouplingFieldDouble(ON_CELLS) ; f3Cell.setName("f3Cell")
+        arr3=DataArrayDouble([5,4,3,2,1,0]) ; f3Cell.setArray(arr3)
+        f1ts3Cell.setFieldProfile(f3Cell,mm,0,pfl1)
+        f3Cell.setMesh(m2)
+        arr3=DataArrayDouble([-1.1,-3.1]) ; f3Cell.setArray(arr3)
+        f1ts3Cell.setFieldNoProfileSBT(f3Cell)
+        #
+        fs=MEDFileFields()
+        for f in [f1ts0Node,f1ts1Node,f1ts2Cell,f1ts3Cell]:
+            fmts=MEDFileFieldMultiTS()
+            fmts.pushBackTimeStep(f)
+            fs.pushField(fmts)
+            pass
+        mm.write(fname,2)
+        fs.write(fname,0)
+        ########## GO for reading in MEDReader,by not loading all. Mesh is fully loaded but not fields values
+        ms=MEDFileMeshes(fname) ; ms.cartesianizeMe()
+        fields=MEDFileFields(fname,False)
+        fields.removeFieldsWithoutAnyTimeStep()
+        fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
+        allFMTSLeavesToDisplay=[]
+        for fields in fields_per_mesh:
+            allFMTSLeavesToDisplay2=[]
+            for fmts in fields:
+                tmp=fmts.splitDiscretizations()
+                for itmp in tmp:
+                    self.assertTrue(not itmp.presenceOfMultiDiscPerGeoType())
+                    pass
+                allFMTSLeavesToDisplay2+=tmp
+                pass
+            allFMTSLeavesToDisplay.append(allFMTSLeavesToDisplay2)
+            pass
+        self.assertEqual(len(allFMTSLeavesToDisplay),1)
+        self.assertEqual(len(allFMTSLeavesToDisplay[0]),4)
+        allFMTSLeavesPerTimeSeries=MEDFileAnyTypeFieldMultiTS.SplitIntoCommonTimeSeries(sum(allFMTSLeavesToDisplay,[]))
+        self.assertEqual(len(allFMTSLeavesPerTimeSeries),1)
+        self.assertEqual(len(allFMTSLeavesPerTimeSeries[0]),4)
+        allFMTSLeavesPerCommonSupport1=MEDFileAnyTypeFieldMultiTS.SplitPerCommonSupport(allFMTSLeavesToDisplay[0],ms[ms.getMeshesNames()[0]])
+        self.assertEqual(len(allFMTSLeavesPerCommonSupport1),3)
+        self.assertEqual(len(allFMTSLeavesPerCommonSupport1[0][0]),2)
+        self.assertEqual(len(allFMTSLeavesPerCommonSupport1[1][0]),1)
+        self.assertEqual(len(allFMTSLeavesPerCommonSupport1[2][0]),1)
+        #
+        mst=MEDFileMeshStruct.New(ms[0])
+        #
+        fcscp=allFMTSLeavesPerCommonSupport1[2][1]
+        mml=fcscp.buildFromScratchDataSetSupport(0,fields)
+        mml2=mml.prepare()
+        self.assertTrue(isinstance(mml2,MEDUMeshMultiLev))
+        ncc,a0,a1,a2,a3,a4,a5=mml2.buildVTUArrays()
+        self.assertTrue(not ncc)
+        self.assertTrue(a0.isEqual(DataArrayDouble([0.,1.,0.,1.,1.,0.,2.,1.,0.,0.,2.,0.,1.,2.,0.,0.,3.,0.],6,3),1e-12))
+        self.assertTrue(a1.isEqual(DataArrayByte([5,9,1,1])))
+        self.assertTrue(a2.isEqual(DataArrayInt([0,4,9,11])))
+        self.assertTrue(a3.isEqual(DataArrayInt([3,4,2,1,4,0,3,4,1,1,3,1,5])))
+        self.assertTrue(a4 is None)
+        self.assertTrue(a5 is None)
+        a6,a7=mml2.retrieveFamilyIdsOnCells()
+        self.assertTrue(a6.isEqual(DataArrayInt([-3,-7,-12,13])))
+        self.assertTrue(not a7) # copy here because profile on cells
+        a8,a9=mml2.retrieveNumberIdsOnCells()
+        self.assertTrue(a8 is None)
+        self.assertTrue(a9) # no copy here because no number field
+        a10,a11=mml2.retrieveFamilyIdsOnNodes()
+        self.assertTrue(a10.isEqual(DataArrayInt([5,6,7,9,10,13])))
+        self.assertTrue(not a11) # copy here
+        a12,a13=mml2.retrieveNumberIdsOnNodes()
+        self.assertTrue(a12 is None)
+        self.assertTrue(a13) # no copy here because no number field
+        #
+        fff0=allFMTSLeavesPerCommonSupport1[2][0][0][0]
+        fsst=MEDFileField1TSStructItem.BuildItemFrom(fff0,mst)
+        fff0.loadArraysIfNecessary()
+        v=mml2.buildDataArray(fsst,fields,fff0.getUndergroundDataArray())
+        self.assertEqual(fff0.getName(),"f0Node")
+        self.assertEqual(v.getHiddenCppPointer(),fff0.getUndergroundDataArray().getHiddenCppPointer())
+        vExp=DataArrayDouble([0.,1.,2.,3.,4.,5.])
+        self.assertTrue(v.isEqual(vExp,1e-12)) # <- THE test is here !!!
+        ###
+        fcscp=allFMTSLeavesPerCommonSupport1[0][1]
+        mml=fcscp.buildFromScratchDataSetSupport(0,fields)
+        mml2=mml.prepare()
+        self.assertTrue(isinstance(mml2,MEDUMeshMultiLev))
+        ncc,a0,a1,a2,a3,a4,a5=mml2.buildVTUArrays()
+        self.assertTrue(not ncc)
+        self.assertTrue(a0.isEqual(DataArrayDouble([(0,0,0),(1,0,0),(2,0,0),(3,0,0),(0,1,0),(1,1,0),(2,1,0),(3,1,0),(2,2,0),(3,2,0),(2,3,0),(3,3,0)]),1e-12))
+        self.assertTrue(a1.isEqual(DataArrayByte([5,5,9,9,9,9])))
+        self.assertTrue(a2.isEqual(DataArrayInt([0,4,8,13,18,23])))
+        self.assertTrue(a3.isEqual(DataArrayInt([3,2,6,3,3,6,7,3,4,0,4,5,1,4,1,5,6,2,4,6,8,9,7,4,8,10,11,9])))
+        self.assertTrue(a4 is None)
+        self.assertTrue(a5 is None)
+        fff1=allFMTSLeavesPerCommonSupport1[0][0][0][0]
+        fsst=MEDFileField1TSStructItem.BuildItemFrom(fff1,mst)
+        fff1.loadArraysIfNecessary()
+        v=mml2.buildDataArray(fsst,fields,fff1.getUndergroundDataArray())
+        self.assertEqual(fff1.getName(),"f2Cell")
+        self.assertNotEqual(v.getHiddenCppPointer(),fff0.getUndergroundDataArray().getHiddenCppPointer())
+        vExp=DataArrayDouble([2,3,0,1,4,5])
+        self.assertTrue(v.isEqual(vExp,1e-12))
+        fff2=allFMTSLeavesPerCommonSupport1[0][0][1][0]
+        fsst=MEDFileField1TSStructItem.BuildItemFrom(fff2,mst)
+        fff2.loadArraysIfNecessary()
+        v=mml2.buildDataArray(fsst,fields,fff2.getUndergroundDataArray())
+        self.assertEqual(fff2.getName(),"f1Node")
+        self.assertNotEqual(v.getHiddenCppPointer(),fff0.getUndergroundDataArray().getHiddenCppPointer())
+        vExp=DataArrayDouble([11,10,9,8,7,6,5,4,3,2,1,0])
+        self.assertTrue(v.isEqual(vExp,1e-12))
+        ###
+        fcscp=allFMTSLeavesPerCommonSupport1[1][1]
+        mml=fcscp.buildFromScratchDataSetSupport(0,fields)
+        mml2=mml.prepare()
+        self.assertTrue(isinstance(mml2,MEDUMeshMultiLev))
+        ncc,a0,a1,a2,a3,a4,a5=mml2.buildVTUArrays()
+        self.assertTrue(ncc)# here all the 16 nodes are taken
+        self.assertTrue(a0.isEqual(DataArrayDouble([(0.,0.,0.),(1.,0.,0.),(2.,0.,0.),(3.,0.,0.),(0.,1.,0.),(1.,1.,0.),(2.,1.,0.),(3.,1.,0.),(0.,2.,0.),(1.,2.,0.),(2.,2.,0.),(3.,2.,0.),(0.,3.,0.),(1.,3.,0.),(2.,3.,0.),(3.,3.,0.)]),1e-12))
+        self.assertTrue(a1.isEqual(DataArrayByte([1,1,5,5,9,9,9,9])))
+        self.assertTrue(a2.isEqual(DataArrayInt([0,2,4,8,12,17,22,27])))
+        self.assertTrue(a3.isEqual(DataArrayInt([1,8,1,13,3,2,6,3,3,6,7,3,4,0,4,5,1,4,1,5,6,2,4,6,10,11,7,4,10,14,15,11])))
+        self.assertTrue(a4 is None)
+        self.assertTrue(a5 is None)
+        fff3=allFMTSLeavesPerCommonSupport1[1][0][0][0]
+        fsst=MEDFileField1TSStructItem.BuildItemFrom(fff3,mst)
+        fff3.loadArraysIfNecessary()
+        v=mml2.buildDataArray(fsst,fields,fff3.getUndergroundDataArray())
+        self.assertEqual(fff3.getName(),"f3Cell")
+        self.assertNotEqual(v.getHiddenCppPointer(),fff0.getUndergroundDataArray().getHiddenCppPointer())
+        vExp=DataArrayDouble([-1.1,-3.1,5,4,3,2,1,0])
+        self.assertTrue(v.isEqual(vExp,1e-12))
+        pass
+
+    def test29(self):
+        """ This test focused on HEXA27 cell for which the MED numbering is not equal to the VTK numbering. So here the HEXA27 cell is those in MED file documentation (reference element).
+        """
+        fname="ForMEDReader29.med"
+        coo=DataArrayDouble([[0.,2.,2.],[0.,0.,2.],[2.,0.,2.],[2.,2.,2.],[0.,2.,0.],[0.,0.,0.],[2.,0.,0.],[2.,2.,0.], [0.,1.,2.],[1.,0.,2.],[2.,1.,2.],[1.,2.,2.], [0.,1.,0.],[1.,0.,0.],[2.,1.,0.],[1.,2.,0.], [0.,2.,1.],[0.,0.,1.],[2.,0.,1.],[2.,2.,1.], [1.,1.,2.], [0.,1.,1.],[1.,0.,1.],[2.,1.,1.],[1.,2.,1.], [1.,1.,0.], [1.,1.,1.]])
+        m=MEDCouplingUMesh("mesh",3) ; m.setCoords(coo)
+        m.allocateCells()
+        # MED = [0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26]
+        # VTK = [0,1,2,3,4,5,6,7, 8,9,10,11,12,13,14,15,16,17,18,19,24,22,21,23,20,25,26]
+        m.insertNextCell(NORM_HEXA27,[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26])
+        fCell=MEDCouplingFieldDouble(ON_CELLS) ; fCell.setName("fCell")
+        arrCell=DataArrayDouble([7.]) ; arrCell.setInfoOnComponent(0,"smth") ; fCell.setArray(arrCell)
+        fCell.setMesh(m)
+        MEDLoader.WriteField(fname,fCell,True)
+        refCoo=[-1.,-1.,-1.,-1.,1.,-1.,1.,1.,-1.,1.,-1.,-1.,-1.,-1.,1.,-1.,1.,1.,1.,1.,1.,1.,-1.,1.,-1.,0.,-1.,0.,1.,-1.,1.,0.,-1.,0.,-1.,-1.,-1.,0.,1.,0.,1.,1.,1.,0.,1.,0.,-1.,1.,-1.,-1.,0.,-1.,1.,0.,1.,1.,0.,1.,-1.,0.,0.,0.,-1.,-1.,0.,0.,0.,1.,0.,1.,0.,0.,0.,-1.,0.,0.,0.,1.,0.,0.,0.]
+        weights=[0.1714677640603571,0.27434842249657115,0.1714677640603571,0.27434842249657115,0.43895747599451346,0.27434842249657115,0.1714677640603571,0.27434842249657115,0.1714677640603571,0.27434842249657115,0.43895747599451346,0.27434842249657115,0.43895747599451346,0.7023319615912209,0.43895747599451346,0.27434842249657115,0.43895747599451346,0.27434842249657115,0.1714677640603571,0.27434842249657115,0.1714677640603571,0.27434842249657115,0.43895747599451346,0.27434842249657115,0.1714677640603571,0.27434842249657115,0.1714677640603571]
+        gCoords=[-0.774596669241483,-0.774596669241483,-0.774596669241483,-0.774596669241483,-0.774596669241483,0.0,-0.774596669241483,-0.774596669241483,0.774596669241483,-0.774596669241483,0.0,-0.774596669241483,-0.774596669241483,0.0,0.0,-0.774596669241483,0.0,0.774596669241483,-0.774596669241483,0.774596669241483,-0.774596669241483,-0.774596669241483,0.774596669241483,0.0,-0.774596669241483,0.774596669241483,0.774596669241483,0.0,-0.774596669241483,-0.774596669241483,0.0,-0.774596669241483,0.0,0.0,-0.774596669241483,0.774596669241483,0.0,0.0,-0.774596669241483,0.0,0.0,0.0,0.0,0.0,0.774596669241483,0.0,0.774596669241483,-0.774596669241483,0.0,0.774596669241483,0.0,0.0,0.774596669241483,0.774596669241483,0.774596669241483,-0.774596669241483,-0.774596669241483,0.774596669241483,-0.774596669241483,0.0,0.774596669241483,-0.774596669241483,0.774596669241483,0.774596669241483,0.0,-0.774596669241483,0.774596669241483,0.0,0.0,0.774596669241483,0.0,0.774596669241483,0.774596669241483,0.774596669241483,-0.774596669241483,0.774596669241483,0.774596669241483,0.0,0.774596669241483,0.774596669241483,0.774596669241483]
+        fGauss=MEDCouplingFieldDouble(ON_GAUSS_PT) ; fGauss.setName("fGauss")
+        fGauss.setMesh(m)
+        fGauss.setGaussLocalizationOnType(NORM_HEXA27,refCoo,gCoords,weights)
+        arrGauss=DataArrayDouble(fGauss.getNumberOfTuplesExpected()) ; arrGauss.setInfoOnComponent(0,"gaussc") ; arrGauss.iota()
+        fGauss.setArray(arrGauss)
+        MEDLoader.WriteFieldUsingAlreadyWrittenMesh(fname,fGauss)
+        ########## GO for reading in MEDReader,by not loading all. Mesh is fully loaded but not fields values
+        ms=MEDFileMeshes(fname) ; ms.cartesianizeMe()
+        fields=MEDFileFields(fname,False)
+        fields.removeFieldsWithoutAnyTimeStep()
+        fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
+        allFMTSLeavesToDisplay=[]
+        for fields in fields_per_mesh:
+            allFMTSLeavesToDisplay2=[]
+            for fmts in fields:
+                tmp=fmts.splitDiscretizations()
+                for itmp in tmp:
+                    self.assertTrue(not itmp.presenceOfMultiDiscPerGeoType())
+                    pass
+                allFMTSLeavesToDisplay2+=tmp
+                pass
+            allFMTSLeavesToDisplay.append(allFMTSLeavesToDisplay2)
+            pass
+        self.assertEqual(len(allFMTSLeavesToDisplay),1)
+        self.assertEqual(len(allFMTSLeavesToDisplay[0]),2)
+        allFMTSLeavesPerTimeSeries=MEDFileAnyTypeFieldMultiTS.SplitIntoCommonTimeSeries(sum(allFMTSLeavesToDisplay,[]))
+        self.assertEqual(len(allFMTSLeavesPerTimeSeries),1)
+        self.assertEqual(len(allFMTSLeavesPerTimeSeries[0]),2)
+        allFMTSLeavesPerCommonSupport1=MEDFileAnyTypeFieldMultiTS.SplitPerCommonSupport(allFMTSLeavesToDisplay[0],ms[ms.getMeshesNames()[0]])
+        self.assertEqual(len(allFMTSLeavesPerCommonSupport1),1)
+        self.assertEqual(len(allFMTSLeavesPerCommonSupport1[0][0]),2)
+        #
+        mst=MEDFileMeshStruct.New(ms[0])
+        #
+        fcscp=allFMTSLeavesPerCommonSupport1[0][1]
+        mml=fcscp.buildFromScratchDataSetSupport(0,fields)
+        mml2=mml.prepare()
+        self.assertTrue(isinstance(mml2,MEDUMeshMultiLev))
+        ncc,a0,a1,a2,a3,a4,a5=mml2.buildVTUArrays()
+        self.assertTrue(a0.isEqual(coo,1e-12))
+        self.assertTrue(a1.isEqual(DataArrayByte([29])))
+        self.assertTrue(a2.isEqual(DataArrayInt([0])))
+        # the connectivity must be not a iota as declared in m.insertNextCell
+        self.assertTrue(a3.isEqual(DataArrayInt([27,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,24,22,21,23,20,25,26])))# the test is on this line to check that connectivity has been processed for HEXA27
+        self.assertTrue(a4 is None)
+        self.assertTrue(a5 is None)
+        ffCell=allFMTSLeavesPerCommonSupport1[0][0][0][0]
+        fsst=MEDFileField1TSStructItem.BuildItemFrom(ffCell,mst)
+        ffCell.loadArraysIfNecessary()
+        v=mml2.buildDataArray(fsst,fields,ffCell.getUndergroundDataArray())
+        self.assertEqual(v.getHiddenCppPointer(),ffCell.getUndergroundDataArray().getHiddenCppPointer())
+        self.assertEqual(ffCell.getName(),"fCell")
+        self.assertTrue(v.isEqual(arrCell,1e-12)) ; self.assertTrue(v.isEqualWithoutConsideringStr(DataArrayDouble([7.]),1e-12)) ; self.assertEqual(v.getInfoOnComponents(),["smth"])
+        del ffCell
+        #
+        ffGauss=allFMTSLeavesPerCommonSupport1[0][0][1][0]
+        fsst=MEDFileField1TSStructItem.BuildItemFrom(ffGauss,mst)
+        ffGauss.loadArraysIfNecessary()
+        v=mml2.buildDataArray(fsst,fields,ffGauss.getUndergroundDataArray())
+        self.assertEqual(v.getHiddenCppPointer(),ffGauss.getUndergroundDataArray().getHiddenCppPointer())
+        self.assertEqual(ffGauss.getName(),"fGauss")
+        self.assertTrue(v.isEqual(arrGauss,1e-12)) ; self.assertTrue(v.isEqualWithoutConsideringStr(DataArrayDouble(range(27)),1e-12)) ; self.assertEqual(v.getInfoOnComponents(),["gaussc"])
+        ffGauss=allFMTSLeavesPerCommonSupport1[0][0][1][0]
+        pass
+
+    def test30(self):
+        """ This test is focused on cartesian meshes. Here the cartesian mesh "CartMesh" has a field on HEXA8 (FieldOnCells) and a field on QUAD4 (FieldOnFaces).
+        So the first one (FieldOnCells) lies on a cartesian mesh whereas the second one lies on unstructured one.
+        """
+        fname="ForMEDReader30.med"
+        c=MEDCouplingCMesh()
+        arrX=DataArrayDouble(3) ; arrX.iota()
+        arrY=DataArrayDouble(4) ; arrY.iota()
+        arrZ=DataArrayDouble(5) ; arrZ.iota()
+        c.setCoords(arrX,arrY,arrZ)
+        c.setName("CartMesh")
+        cc=MEDFileCMesh()
+        cc.setMesh(c)
+        tmpFacesMesh=c.build1SGTSubLevelMesh()
+        famIdFaces=DataArrayInt(98) ; famIdFaces[:36]=-1 ; famIdFaces[36:68]=-2 ; famIdFaces[68:]=-3
+        famIdCells=DataArrayInt(24) ; famIdCells[:]=0
+        #cc.setFamilyFieldArr(0,famIdCells)
+        #cc.setFamilyFieldArr(-1,famIdFaces)
+        cc.addFamily("FacesX",-1) ; cc.addFamily("FacesY",-2) ; cc.addFamily("FacesZ",-3)
+        cc.setFamiliesOnGroup("FacesX1",["FacesX"])
+        cc.setFamiliesOnGroup("FacesY1",["FacesY"])
+        cc.setFamiliesOnGroup("FacesZ1",["FacesZ"])
+        #
+        fmts0=MEDFileFieldMultiTS()
+        fmts1=MEDFileFieldMultiTS()
+        for i in xrange(30):
+            f1ts=MEDFileField1TS()
+            fFaces=MEDCouplingFieldDouble(ON_CELLS) ; fFaces.setName("FieldOnFaces")
+            arr=DataArrayDouble(98) ; arr.iota() ; arr[i]=100.
+            fFaces.setArray(arr)
+            fFaces.setTime(float(i)+0.1,i,-1)
+            fFaces.setMesh(tmpFacesMesh)
+            f1ts.setFieldNoProfileSBT(fFaces)
+            fmts0.pushBackTimeStep(f1ts)
+            #
+            f1ts=MEDFileField1TS()
+            fCells=MEDCouplingFieldDouble(ON_CELLS) ; fCells.setName("FieldOnCells")
+            arr=DataArrayDouble(24) ; arr.iota() ; arr[i%24]=30.
+            fCells.setArray(arr)
+            fCells.setTime(float(i)+0.1,i,-1)
+            fCells.setMesh(c)
+            f1ts.setFieldNoProfileSBT(fCells)
+            fmts1.pushBackTimeStep(f1ts)
+            pass
+        fs=MEDFileFields()
+        fs.pushField(fmts0)
+        fs.pushField(fmts1)
+        cc.write(fname,2)
+        fs.write(fname,0)
+        ########## GO for reading in MEDReader,by not loading all. Mesh is fully loaded but not fields values
+        ms=MEDFileMeshes(fname) ; ms.cartesianizeMe()
+        fields=MEDFileFields(fname,False)
+        fields.removeFieldsWithoutAnyTimeStep()
+        fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
+        allFMTSLeavesToDisplay=[]
+        for fields in fields_per_mesh:
+            allFMTSLeavesToDisplay2=[]
+            for fmts in fields:
+                tmp=fmts.splitDiscretizations()
+                for itmp in tmp:
+                    self.assertTrue(not itmp.presenceOfMultiDiscPerGeoType())
+                    pass
+                allFMTSLeavesToDisplay2+=tmp
+                pass
+            allFMTSLeavesToDisplay.append(allFMTSLeavesToDisplay2)
+            pass
+        self.assertEqual(len(allFMTSLeavesToDisplay),1)
+        self.assertEqual(len(allFMTSLeavesToDisplay[0]),2)
+        allFMTSLeavesPerTimeSeries=MEDFileAnyTypeFieldMultiTS.SplitIntoCommonTimeSeries(sum(allFMTSLeavesToDisplay,[]))
+        self.assertEqual(len(allFMTSLeavesPerTimeSeries),1)
+        self.assertEqual(len(allFMTSLeavesPerTimeSeries[0]),2)
+        allFMTSLeavesPerCommonSupport1=MEDFileAnyTypeFieldMultiTS.SplitPerCommonSupport(allFMTSLeavesToDisplay[0],ms[ms.getMeshesNames()[0]])
+        self.assertEqual(len(allFMTSLeavesPerCommonSupport1),2)
+        self.assertEqual(len(allFMTSLeavesPerCommonSupport1[0][0]),1)
+        self.assertEqual(len(allFMTSLeavesPerCommonSupport1[1][0]),1)
+        #
+        mst=MEDFileMeshStruct.New(ms[0])
+        #
+        fcscp=allFMTSLeavesPerCommonSupport1[0][1]
+        mml=fcscp.buildFromScratchDataSetSupport(0,fields)
+        mml2=mml.prepare()
+        self.assertTrue(isinstance(mml2,MEDCMeshMultiLev)) # here CMesh is important
+        (a,b,c),d=mml2.buildVTUArrays()
+        self.assertTrue(d)#d is True because the a,b and c are directly those in the internal data structure
+        self.assertTrue(a.isEqual(arrX,1e-12))
+        self.assertTrue(b.isEqual(arrY,1e-12))
+        self.assertTrue(c.isEqual(arrZ,1e-12))
+        for i in xrange(30):
+            ffCell=allFMTSLeavesPerCommonSupport1[0][0][0][i]
+            fsst=MEDFileField1TSStructItem.BuildItemFrom(ffCell,mst)
+            ffCell.loadArraysIfNecessary()
+            v=mml2.buildDataArray(fsst,fields,ffCell.getUndergroundDataArray())
+            self.assertEqual(v.getHiddenCppPointer(),ffCell.getUndergroundDataArray().getHiddenCppPointer())
+            myarr=DataArrayDouble(24) ; myarr.iota() ; myarr[i%24]=30.
+            self.assertEqual(ffCell.getName(),"FieldOnCells")
+            self.assertTrue(v.isEqual(myarr,1e-12))
+            pass
+        #
+        fcscp=allFMTSLeavesPerCommonSupport1[1][1]
+        mml=fcscp.buildFromScratchDataSetSupport(0,fields)
+        mml2=mml.prepare()
+        self.assertTrue(isinstance(mml2,MEDUMeshMultiLev)) # here UMesh is important
+        ref=ms[0].getImplicitFaceMesh().getCoords().getHiddenCppPointer()
+        ncc,a0,a1,a2,a3,a4,a5=mml2.buildVTUArrays()
+        self.assertEqual(ref,a0.getHiddenCppPointer())
+        self.assertTrue(ncc)
+        self.assertTrue(a1.isEqual(DataArrayByte([9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9])))
+        self.assertTrue(a2.isEqual(DataArrayInt([0,5,10,15,20,25,30,35,40,45,50,55,60,65,70,75,80,85,90,95,100,105,110,115,120,125,130,135,140,145,150,155,160,165,170,175,180,185,190,195,200,205,210,215,220,225,230,235,240,245,250,255,260,265,270,275,280,285,290,295,300,305,310,315,320,325,330,335,340,345,350,355,360,365,370,375,380,385,390,395,400,405,410,415,420,425,430,435,440,445,450,455,460,465,470,475,480,485])))
+        self.assertTrue(a3.isEqual(DataArrayInt([4,0,12,15,3,4,12,24,27,15,4,24,36,39,27,4,36,48,51,39,4,3,15,18,6,4,15,27,30,18,4,27,39,42,30,4,39,51,54,42,4,6,18,21,9,4,18,30,33,21,4,30,42,45,33,4,42,54,57,45,4,1,13,16,4,4,13,25,28,16,4,25,37,40,28,4,37,49,52,40,4,4,16,19,7,4,16,28,31,19,4,28,40,43,31,4,40,52,55,43,4,7,19,22,10,4,19,31,34,22,4,31,43,46,34,4,43,55,58,46,4,2,14,17,5,4,14,26,29,17,4,26,38,41,29,4,38,50,53,41,4,5,17,20,8,4,17,29,32,20,4,29,41,44,32,4,41,53,56,44,4,8,20,23,11,4,20,32,35,23,4,32,44,47,35,4,44,56,59,47,4,0,12,13,1,4,12,24,25,13,4,24,36,37,25,4,36,48,49,37,4,1,13,14,2,4,13,25,26,14,4,25,37,38,26,4,37,49,50,38,4,3,15,16,4,4,15,27,28,16,4,27,39,40,28,4,39,51,52,40,4,4,16,17,5,4,16,28,29,17,4,28,40,41,29,4,40,52,53,41,4,6,18,19,7,4,18,30,31,19,4,30,42,43,31,4,42,54,55,43,4,7,19,20,8,4,19,31,32,20,4,31,43,44,32,4,43,55,56,44,4,9,21,22,10,4,21,33,34,22,4,33,45,46,34,4,45,57,58,46,4,10,22,23,11,4,22,34,35,23,4,34,46,47,35,4,46,58,59,47,4,0,1,4,3,4,3,4,7,6,4,6,7,10,9,4,1,2,5,4,4,4,5,8,7,4,7,8,11,10,4,12,13,16,15,4,15,16,19,18,4,18,19,22,21,4,13,14,17,16,4,16,17,20,19,4,19,20,23,22,4,24,25,28,27,4,27,28,31,30,4,30,31,34,33,4,25,26,29,28,4,28,29,32,31,4,31,32,35,34,4,36,37,40,39,4,39,40,43,42,4,42,43,46,45,4,37,38,41,40,4,40,41,44,43,4,43,44,47,46,4,48,49,52,51,4,51,52,55,54,4,54,55,58,57,4,49,50,53,52,4,52,53,56,55,4,55,56,59,58])))
+        self.assertTrue(a4 is None)
+        self.assertTrue(a5 is None)
+        for i in xrange(30):
+            ffCell=allFMTSLeavesPerCommonSupport1[1][0][0][i]
+            fsst=MEDFileField1TSStructItem.BuildItemFrom(ffCell,mst)
+            ffCell.loadArraysIfNecessary()
+            v=mml2.buildDataArray(fsst,fields,ffCell.getUndergroundDataArray())
+            self.assertEqual(v.getHiddenCppPointer(),ffCell.getUndergroundDataArray().getHiddenCppPointer())
+            myarr=DataArrayDouble(98) ; myarr.iota() ; myarr[i]=100.
+            self.assertEqual(ffCell.getName(),"FieldOnFaces")
+            self.assertTrue(v.isEqual(myarr,1e-12))
+            pass
+        pass
+
+    def test31(self):
+        """non regression test of EDF 7972"""
+        fname="ForMEDReader31.med"
+        c=MEDCouplingCMesh()
+        arrX=DataArrayDouble(3) ; arrX.iota()
+        arrY=DataArrayDouble(4) ; arrY.iota()
+        arrZ=DataArrayDouble(5) ; arrZ.iota()
+        c.setCoords(arrX,arrY,arrZ)
+        c.setName("CartMesh")
+        cc=MEDFileCMesh()
+        cc.setMesh(c)
+        famIdCells=DataArrayInt(24) ; famIdCells[:]=0
+        cc.setFamilyFieldArr(0,famIdCells)
+        #cc.setFamilyFieldArr(-1,famIdFaces)
+        cc.addFamily("FacesX",-1) ; cc.addFamily("FacesY",-2) ; cc.addFamily("FacesZ",-3)
+        cc.setFamiliesOnGroup("FacesX1",["FacesX"])
+        cc.setFamiliesOnGroup("FacesY1",["FacesY"])
+        cc.setFamiliesOnGroup("FacesZ1",["FacesZ"])
+        fmts0=MEDFileFieldMultiTS()
+        fmts1=MEDFileFieldMultiTS()
+        pfl=DataArrayInt(11) ; pfl.iota() ; pfl.setName("PflOnHECA8")
+        for i in xrange(30):
+            f1ts=MEDFileField1TS()
+            fFaces=MEDCouplingFieldDouble(ON_CELLS) ; fFaces.setName("FieldOnCells")
+            arr=DataArrayDouble(11) ; arr.iota() ; arr[i%11]=100.
+            fFaces.setArray(arr)
+            fFaces.setTime(float(i)+0.1,i,-1)
+            fFaces.setMesh(c.buildUnstructured()[:11])
+            f1ts.setFieldProfile(fFaces,cc,0,pfl)# here, a test is done to check that "NORM_HEXA8" string is not 30 times appended at the end of pfl name.
+            self.assertEqual("PflOnHECA8",pfl.getName())
+            fmts0.pushBackTimeStep(f1ts)
+            pass
+        fs=MEDFileFields()
+        fs.pushField(fmts0)
+        cc.write(fname,2)
+        fs.write(fname,0)
+        ########## GO for reading in MEDReader,by not loading all. Mesh is fully loaded but not fields values
+        ms=MEDFileMeshes(fname) ; ms.cartesianizeMe()
+        fields=MEDFileFields(fname,False)
+        fields.removeFieldsWithoutAnyTimeStep()
+        fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
+        allFMTSLeavesToDisplay=[]
+        for fields in fields_per_mesh:
+            allFMTSLeavesToDisplay2=[]
+            for fmts in fields:
+                tmp=fmts.splitDiscretizations()
+                for itmp in tmp:
+                    self.assertTrue(not itmp.presenceOfMultiDiscPerGeoType())
+                    pass
+                allFMTSLeavesToDisplay2+=tmp
+                pass
+            allFMTSLeavesToDisplay.append(allFMTSLeavesToDisplay2)
+            pass
+        self.assertEqual(len(allFMTSLeavesToDisplay),1)
+        self.assertEqual(len(allFMTSLeavesToDisplay[0]),1)
+        allFMTSLeavesPerTimeSeries=MEDFileAnyTypeFieldMultiTS.SplitIntoCommonTimeSeries(sum(allFMTSLeavesToDisplay,[]))
+        self.assertEqual(len(allFMTSLeavesPerTimeSeries),1)
+        self.assertEqual(len(allFMTSLeavesPerTimeSeries[0]),1)
+        allFMTSLeavesPerCommonSupport1=MEDFileAnyTypeFieldMultiTS.SplitPerCommonSupport(allFMTSLeavesToDisplay[0],ms[ms.getMeshesNames()[0]])
+        self.assertEqual(len(allFMTSLeavesPerCommonSupport1),1)
+        self.assertEqual(len(allFMTSLeavesPerCommonSupport1[0][0]),1)
+        #
+        mst=MEDFileMeshStruct.New(ms[0])
+        #
+        fcscp=allFMTSLeavesPerCommonSupport1[0][1]
+        mml=fcscp.buildFromScratchDataSetSupport(0,fields)
+        mml2=mml.prepare()
+        self.assertTrue(isinstance(mml2,MEDUMeshMultiLev)) # here UMesh is important
+        ncc,a0,a1,a2,a3,a4,a5=mml2.buildVTUArrays()
+        self.assertTrue(not ncc)# here ncc=False because the coordinates are not in ms neither in children. This is the most important line in the test.
+        self.assertTrue(a0.isEqual(DataArrayDouble([0.,0.,0.,1.,0.,0.,2.,0.,0.,0.,1.,0.,1.,1.,0.,2.,1.,0.,0.,2.,0.,1.,2.,0.,2.,2.,0.,0.,3.,0.,1.,3.,0.,2.,3.,0.,0.,0.,1.,1.,0.,1.,2.,0.,1.,0.,1.,1.,1.,1.,1.,2.,1.,1.,0.,2.,1.,1.,2.,1.,2.,2.,1.,0.,3.,1.,1.,3.,1.,2.,3.,1.,0.,0.,2.,1.,0.,2.,2.,0.,2.,0.,1.,2.,1.,1.,2.,2.,1.,2.,0.,2.,2.,1.,2.,2.,2.,2.,2.,0.,3.,2.,1.,3.,2.,2.,3.,2.,0.,0.,3.,1.,0.,3.,2.,0.,3.,0.,1.,3.,1.,1.,3.,2.,1.,3.,0.,2.,3.,1.,2.,3.,2.,2.,3.,0.,3.,3.,1.,3.,3.,2.,3.,3.,0.,0.,4.,1.,0.,4.,2.,0.,4.,0.,1.,4.,1.,1.,4.,2.,1.,4.,0.,2.,4.,1.,2.,4.,2.,2.,4.,0.,3.,4.,1.,3.,4.,2.,3.,4.],60,3),1e-12))
+        self.assertTrue(a1.isEqual(DataArrayByte([12,12,12,12,12,12,12,12,12,12,12])))
+        self.assertTrue(a2.isEqual(DataArrayInt([0,9,18,27,36,45,54,63,72,81,90])))
+        self.assertTrue(a3.isEqual(DataArrayInt([8,1,0,3,4,13,12,15,16,8,2,1,4,5,14,13,16,17,8,4,3,6,7,16,15,18,19,8,5,4,7,8,17,16,19,20,8,7,6,9,10,19,18,21,22,8,8,7,10,11,20,19,22,23,8,13,12,15,16,25,24,27,28,8,14,13,16,17,26,25,28,29,8,16,15,18,19,28,27,30,31,8,17,16,19,20,29,28,31,32,8,19,18,21,22,31,30,33,34])))
+        self.assertTrue(a4 is None)
+        self.assertTrue(a5 is None)
+        for i in xrange(30):
+            ffCell=allFMTSLeavesPerCommonSupport1[0][0][0][i]
+            fsst=MEDFileField1TSStructItem.BuildItemFrom(ffCell,mst)
+            ffCell.loadArraysIfNecessary()
+            v=mml2.buildDataArray(fsst,fields,ffCell.getUndergroundDataArray())
+            # self.assertEqual(v.getHiddenCppPointer(),ffCell.getUndergroundDataArray().getHiddenCppPointer()) # to be improved... maybe this line could be true
+            myarr=DataArrayDouble(11) ; myarr.iota() ; myarr[i%11]=100.
+            self.assertEqual(ffCell.getName(),"FieldOnCells")
+            self.assertTrue(v.isEqual(myarr,1e-12))
+            pass
+        pass
+
+    def test32(self):
+        """ This test is close to test30 except that here the profiles on dim-1 of structured mesh is considered here."""
+        fname="ForMEDReader32.med"
+        c=MEDCouplingCMesh()
+        arrX=DataArrayDouble(3) ; arrX.iota()
+        arrY=DataArrayDouble(4) ; arrY.iota()
+        arrZ=DataArrayDouble(5) ; arrZ.iota()
+        c.setCoords(arrX,arrY,arrZ)
+        c.setName("CartMesh")
+        cc=MEDFileCMesh()
+        cc.setMesh(c)
+        tmpFacesMesh=c.build1SGTSubLevelMesh()
+        famIdFaces=DataArrayInt(98) ; famIdFaces[:36]=-1 ; famIdFaces[36:68]=-2 ; famIdFaces[68:]=-3
+        famIdCells=DataArrayInt(24) ; famIdCells[:]=0
+        cc.setFamilyFieldArr(0,famIdCells)
+        #cc.setFamilyFieldArr(-1,famIdFaces)
+        cc.addFamily("FacesX",-1) ; cc.addFamily("FacesY",-2) ; cc.addFamily("FacesZ",-3)
+        cc.setFamiliesOnGroup("FacesX1",["FacesX"])
+        cc.setFamiliesOnGroup("FacesY1",["FacesY"])
+        cc.setFamiliesOnGroup("FacesZ1",["FacesZ"])
+        fmts0=MEDFileFieldMultiTS()
+        fmts1=MEDFileFieldMultiTS()
+        pfl=DataArrayInt(31) ; pfl.iota() ; pfl.setName("PflOnQUAD4")
+        for i in xrange(30):
+            f1ts=MEDFileField1TS()
+            fFaces=MEDCouplingFieldDouble(ON_CELLS) ; fFaces.setName("FieldOnFaces")
+            arr=DataArrayDouble(31) ; arr.iota() ; arr[i]=100.
+            fFaces.setArray(arr)
+            fFaces.setTime(float(i)+0.1,i,-1)
+            fFaces.setMesh(tmpFacesMesh[:31])
+            f1ts.setFieldProfile(fFaces,cc,-1,pfl)# here, a test is done to check that "NORM_QUAD4" string is not 30 times appended at the end of pfl name.
+            self.assertEqual("PflOnQUAD4",pfl.getName())
+            fmts0.pushBackTimeStep(f1ts)
+            #
+            f1ts=MEDFileField1TS()
+            fCells=MEDCouplingFieldDouble(ON_CELLS) ; fCells.setName("FieldOnCells")
+            arr=DataArrayDouble(24) ; arr.iota() ; arr[i%24]=30.
+            fCells.setArray(arr)
+            fCells.setTime(float(i)+0.1,i,-1)
+            fCells.setMesh(c)
+            f1ts.setFieldNoProfileSBT(fCells)
+            fmts1.pushBackTimeStep(f1ts)
+            pass
+        fs=MEDFileFields()
+        fs.pushField(fmts0)
+        fs.pushField(fmts1)
+        cc.write(fname,2)
+        fs.write(fname,0)
+        ########## GO for reading in MEDReader,by not loading all. Mesh is fully loaded but not fields values
+        ms=MEDFileMeshes(fname) ; ms.cartesianizeMe()
+        fields=MEDFileFields(fname,False)
+        fields.removeFieldsWithoutAnyTimeStep()
+        fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
+        allFMTSLeavesToDisplay=[]
+        for fields in fields_per_mesh:
+            allFMTSLeavesToDisplay2=[]
+            for fmts in fields:
+                tmp=fmts.splitDiscretizations()
+                for itmp in tmp:
+                    self.assertTrue(not itmp.presenceOfMultiDiscPerGeoType())
+                    pass
+                allFMTSLeavesToDisplay2+=tmp
+                pass
+            allFMTSLeavesToDisplay.append(allFMTSLeavesToDisplay2)
+            pass
+        self.assertEqual(len(allFMTSLeavesToDisplay),1)
+        self.assertEqual(len(allFMTSLeavesToDisplay[0]),2)
+        allFMTSLeavesPerTimeSeries=MEDFileAnyTypeFieldMultiTS.SplitIntoCommonTimeSeries(sum(allFMTSLeavesToDisplay,[]))
+        self.assertEqual(len(allFMTSLeavesPerTimeSeries),1)
+        self.assertEqual(len(allFMTSLeavesPerTimeSeries[0]),2)
+        allFMTSLeavesPerCommonSupport1=MEDFileAnyTypeFieldMultiTS.SplitPerCommonSupport(allFMTSLeavesToDisplay[0],ms[ms.getMeshesNames()[0]])
+        self.assertEqual(len(allFMTSLeavesPerCommonSupport1),2)
+        self.assertEqual(len(allFMTSLeavesPerCommonSupport1[0][0]),1)
+        self.assertEqual(len(allFMTSLeavesPerCommonSupport1[1][0]),1)
+        #
+        mst=MEDFileMeshStruct.New(ms[0])
+        #
+        fcscp=allFMTSLeavesPerCommonSupport1[0][1]
+        mml=fcscp.buildFromScratchDataSetSupport(0,fields)
+        mml2=mml.prepare()
+        self.assertTrue(isinstance(mml2,MEDCMeshMultiLev)) # here CMesh is important
+        (a,b,c),d=mml2.buildVTUArrays()
+        self.assertTrue(d)#d is True because the a,b and c are directly those in the internal data structure
+        self.assertTrue(a.isEqual(arrX,1e-12))
+        self.assertTrue(b.isEqual(arrY,1e-12))
+        self.assertTrue(c.isEqual(arrZ,1e-12))
+        for i in xrange(30):
+            ffCell=allFMTSLeavesPerCommonSupport1[0][0][0][i]
+            fsst=MEDFileField1TSStructItem.BuildItemFrom(ffCell,mst)
+            ffCell.loadArraysIfNecessary()
+            v=mml2.buildDataArray(fsst,fields,ffCell.getUndergroundDataArray())
+            self.assertEqual(v.getHiddenCppPointer(),ffCell.getUndergroundDataArray().getHiddenCppPointer())
+            myarr=DataArrayDouble(24) ; myarr.iota() ; myarr[i%24]=30.
+            self.assertEqual(ffCell.getName(),"FieldOnCells")
+            self.assertTrue(v.isEqual(myarr,1e-12))
+            pass
+        #
+        fcscp=allFMTSLeavesPerCommonSupport1[1][1]
+        mml=fcscp.buildFromScratchDataSetSupport(0,fields)
+        mml2=mml.prepare()
+        self.assertTrue(isinstance(mml2,MEDUMeshMultiLev)) # here UMesh is important
+        ncc,a0,a1,a2,a3,a4,a5=mml2.buildVTUArrays()
+        self.assertTrue(ncc)# True because, the coords are computed by the implicit unstructured level -1 structured mesh
+        self.assertTrue(a0.isEqual(DataArrayDouble([0.,0.,0.,1.,0.,0.,2.,0.,0.,0.,1.,0.,1.,1.,0.,2.,1.,0.,0.,2.,0.,1.,2.,0.,2.,2.,0.,0.,3.,0.,1.,3.,0.,2.,3.,0.,0.,0.,1.,1.,0.,1.,2.,0.,1.,0.,1.,1.,1.,1.,1.,2.,1.,1.,0.,2.,1.,1.,2.,1.,2.,2.,1.,0.,3.,1.,1.,3.,1.,2.,3.,1.,0.,0.,2.,1.,0.,2.,2.,0.,2.,0.,1.,2.,1.,1.,2.,2.,1.,2.,0.,2.,2.,1.,2.,2.,2.,2.,2.,0.,3.,2.,1.,3.,2.,2.,3.,2.,0.,0.,3.,1.,0.,3.,2.,0.,3.,0.,1.,3.,1.,1.,3.,2.,1.,3.,0.,2.,3.,1.,2.,3.,2.,2.,3.,0.,3.,3.,1.,3.,3.,2.,3.,3.,0.,0.,4.,1.,0.,4.,2.,0.,4.,0.,1.,4.,1.,1.,4.,2.,1.,4.,0.,2.,4.,1.,2.,4.,2.,2.,4.,0.,3.,4.,1.,3.,4.,2.,3.,4.],60,3),1e-12))
+        self.assertTrue(a1.isEqual(DataArrayByte([9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9])))
+        self.assertTrue(a2.isEqual(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])))
+        self.assertTrue(a3.isEqual(DataArrayInt([4,0,12,15,3,4,12,24,27,15,4,24,36,39,27,4,36,48,51,39,4,3,15,18,6,4,15,27,30,18,4,27,39,42,30,4,39,51,54,42,4,6,18,21,9,4,18,30,33,21,4,30,42,45,33,4,42,54,57,45,4,1,13,16,4,4,13,25,28,16,4,25,37,40,28,4,37,49,52,40,4,4,16,19,7,4,16,28,31,19,4,28,40,43,31,4,40,52,55,43,4,7,19,22,10,4,19,31,34,22,4,31,43,46,34,4,43,55,58,46,4,2,14,17,5,4,14,26,29,17,4,26,38,41,29,4,38,50,53,41,4,5,17,20,8,4,17,29,32,20,4,29,41,44,32])))
+        self.assertTrue(a4 is None)
+        self.assertTrue(a5 is None)
+        a6,a7=mml2.retrieveFamilyIdsOnCells()
+        self.assertTrue(a6 is None)
+        self.assertTrue(a7)
+        for i in xrange(30):
+            ffCell=allFMTSLeavesPerCommonSupport1[1][0][0][i]
+            fsst=MEDFileField1TSStructItem.BuildItemFrom(ffCell,mst)
+            ffCell.loadArraysIfNecessary()
+            v=mml2.buildDataArray(fsst,fields,ffCell.getUndergroundDataArray())
+            self.assertEqual(v.getHiddenCppPointer(),ffCell.getUndergroundDataArray().getHiddenCppPointer())
+            myarr=DataArrayDouble(31) ; myarr.iota() ; myarr[i]=100.
+            self.assertEqual(ffCell.getName(),"FieldOnFaces")
+            self.assertTrue(v.isEqual(myarr,1e-12))
+            pass
+        pass
+    
+    def test33(self):
+        """Non regression test concerning polygons. Thanks Adrien. This bug can't be shown by simply reading an displaying a MED file containing only polygons. A filter must be applied on it to show it. The a2 array was responsible of that bug."""
+        fname="ForMEDReader33.med"
+        fieldName="ACellField"
+        coo=DataArrayDouble([(5.5,0.5),(5.5,-0.5),(6.5,0.5),(6.5,-0.5),(6.5,1.5),(7.5,0.5),(7.5,-0.5),(7.5,1.5),(7.5,2.5),(8.5,0.5),(8.5,-0.5),(8.5,1.5),(8.5,2.5),(8.5,3.5),(8.55,0.5),(8.55,-0.5),(8.55,1.5),(8.55,2.5),(8.55,3.5)])
+        m=MEDCouplingUMesh("mesh",2)
+        m.setCoords(coo)
+        m.allocateCells()
+        for i,c in enumerate([(1,0,2,3),(3,2,5,6),(2,4,7,5),(6,5,9,10),(5,7,11,9),(7,8,12,11),(10,9,14,15),(9,11,16,14),(11,12,17,16),(12,13,18,17)]):
+            if i<6:
+                typ=NORM_QUAD4
+                pass
+            else:
+                typ=NORM_POLYGON
+                pass
+            m.insertNextCell(typ,c)
+            pass
+        mm=MEDFileUMesh()
+        mm.setMeshAtLevel(0,m)
+        mm.write(fname,2)
+        for i in xrange(15):
+            fCell0=MEDCouplingFieldDouble(ON_CELLS) ; fCell0.setTime(float(i)+0.1,i,0)
+            fCell0.setName(fieldName) ; fCell0.setMesh(m)
+            arr=DataArrayDouble(m.getNumberOfCells()) ; arr.iota(0) ; arr[i%10]=100.
+            fCell0.setArray(arr) ; arr.setInfoOnComponents(["Comp1 [m]"])
+            fCell0.checkCoherency()
+            MEDLoader.WriteFieldUsingAlreadyWrittenMesh(fname,fCell0)
+            pass
+        ########## GO for reading in MEDReader,by not loading all. Mesh is fully loaded but not fields values
+        ms=MEDFileMeshes(fname) ; ms.cartesianizeMe()
+        fields=MEDFileFields(fname,False)
+        fields.removeFieldsWithoutAnyTimeStep()
+        fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
+        allFMTSLeavesToDisplay=[]
+        for fields in fields_per_mesh:
+            allFMTSLeavesToDisplay2=[]
+            for fmts in fields:
+                tmp=fmts.splitDiscretizations()
+                for itmp in tmp:
+                    self.assertTrue(not itmp.presenceOfMultiDiscPerGeoType())
+                    pass
+                allFMTSLeavesToDisplay2+=tmp
+                pass
+            allFMTSLeavesToDisplay.append(allFMTSLeavesToDisplay2)
+            pass
+        self.assertEqual(len(allFMTSLeavesToDisplay),1)
+        self.assertEqual(len(allFMTSLeavesToDisplay[0]),1)
+        allFMTSLeavesPerTimeSeries=MEDFileAnyTypeFieldMultiTS.SplitIntoCommonTimeSeries(sum(allFMTSLeavesToDisplay,[]))
+        self.assertEqual(len(allFMTSLeavesPerTimeSeries),1)
+        self.assertEqual(len(allFMTSLeavesPerTimeSeries[0]),1)
+        allFMTSLeavesPerCommonSupport1=MEDFileAnyTypeFieldMultiTS.SplitPerCommonSupport(allFMTSLeavesToDisplay[0],ms[ms.getMeshesNames()[0]])
+        self.assertEqual(len(allFMTSLeavesPerCommonSupport1),1)
+        self.assertEqual(len(allFMTSLeavesPerCommonSupport1[0][0]),1)
+        #
+        mst=MEDFileMeshStruct.New(ms[0])
+        #
+        fcscp=allFMTSLeavesPerCommonSupport1[0][1]
+        mml=fcscp.buildFromScratchDataSetSupport(0,fields)
+        mml2=mml.prepare()
+        self.assertTrue(isinstance(mml2,MEDUMeshMultiLev))
+        ncc,a0,a1,a2,a3,a4,a5=mml2.buildVTUArrays()
+        self.assertTrue(not ncc)# false beacause 2D in MED file
+        self.assertTrue(a0.isEqual(DataArrayDouble([(5.5,0.5,0),(5.5,-0.5,0),(6.5,0.5,0),(6.5,-0.5,0),(6.5,1.5,0),(7.5,0.5,0),(7.5,-0.5,0),(7.5,1.5,0),(7.5,2.5,0),(8.5,0.5,0),(8.5,-0.5,0),(8.5,1.5,0),(8.5,2.5,0),(8.5,3.5,0),(8.55,0.5,0),(8.55,-0.5,0),(8.55,1.5,0),(8.55,2.5,0),(8.55,3.5,0)]),1e-12))
+        self.assertTrue(a1.isEqual(DataArrayByte([9,9,9,9,9,9,7,7,7,7])))
+        self.assertTrue(a2.isEqual(DataArrayInt([0,5,10,15,20,25,30,35,40,45])))# the bug was here.
+        self.assertTrue(a3.isEqual(DataArrayInt([4,1,0,2,3,4,3,2,5,6,4,2,4,7,5,4,6,5,9,10,4,5,7,11,9,4,7,8,12,11,4,10,9,14,15,4,9,11,16,14,4,11,12,17,16,4,12,13,18,17])))
+        self.assertTrue(a4 is None)
+        self.assertTrue(a5 is None)
+        for i in xrange(15):
+            ffCell=allFMTSLeavesPerCommonSupport1[0][0][0][i]
+            fsst=MEDFileField1TSStructItem.BuildItemFrom(ffCell,mst)
+            ffCell.loadArraysIfNecessary()
+            v=mml2.buildDataArray(fsst,fields,ffCell.getUndergroundDataArray())
+            self.assertEqual(v.getHiddenCppPointer(),ffCell.getUndergroundDataArray().getHiddenCppPointer())
+            myarr=DataArrayDouble(10) ; myarr.iota() ; myarr[i%10]=100. ; myarr.setInfoOnComponent(0,"Comp1 [m]")
+            self.assertEqual(ffCell.getName(),fieldName)
+            self.assertTrue(v.isEqual(myarr,1e-12))
+            pass
+        pass
+
+    def test34(self):
+        """ This test is the thirs ultimate test (base on test12) for the profiles with gauss points.
+        This test highlight the hidden imp linked to bug #8655.
+        This test is close to test11 but here a 2nd field on cells without profile. So here the mesh is expected to be the same than m.
+        """
+        fname="ForMEDReader34.med"
+        m=MEDCouplingCMesh("mesh")
+        arr=DataArrayDouble(5) ; arr.iota()
+        m.setCoords(arr,arr)
+        m=m.buildUnstructured() ; m.getCoords().setInfoOnComponents(["XX [m]","YYY [km]"])
+        mm=MEDFileUMesh() ; mm.setMeshes([m])
+        #
+        fieldName0="zeField0"
+        fieldName1="zeField1"
+        fs0=MEDFileFieldMultiTS() ; fs1=MEDFileFieldMultiTS()
+        for i in xrange(5):
+            f=MEDFileField1TS()
+            fNode=MEDCouplingFieldDouble(ON_GAUSS_PT) ; fNode.setTime(float(i),i,0)
+            fNode.setName(fieldName0) ; fNode.setMesh(m)
+            fNode.setGaussLocalizationOnCells([0,2,3,4,7,15],[-1.,-1.,1.,-1.,1.,1.,-1.,1.],[0.5,0.5,0.7,0.7],[0.8,0.2])
+            fNode.setGaussLocalizationOnCells([1,5,8,9],[-1.,-1.,1.,-1.,1.,1.,-1.,1.],[0.5,0.5,0.7,0.7,0.1,0.1,0.2,0.2,0.3,0.3],[0.8,0.05,0.1,0.04,0.01])
+            fNode.setGaussLocalizationOnCells([6,10,13],[-1.,-1.,1.,-1.,1.,1.,-1.,1.],[0.5,0.5,0.7,0.7,0.1,0.1,0.2,0.2],[0.8,0.05,0.1,0.04])
+            fNode.setGaussLocalizationOnCells([11,12,14],[-1.,-1.,1.,-1.,1.,1.,-1.,1.],[0.5,0.5,0.7,0.7,0.1,0.1,0.2,0.2,0.3,0.3,0.4,0.4,0.8,0.8],[0.8,0.05,0.1,0.01,0.02,0.005,0.005])
+            arr=DataArrayDouble(2*(2*6+5*4+4*3+7*3)) ; arr.iota(0+1000*i) ; arr.rearrange(2)
+            fNode.setArray(arr) ; arr.setInfoOnComponents(["Comp1_0 [m]","Com2_0 [s^2]"]) ; fNode.checkCoherency()
+            f.setFieldNoProfileSBT(fNode)
+            fs0.pushBackTimeStep(f)
+            #
+            f=MEDFileField1TS()
+            fNode=MEDCouplingFieldDouble(ON_CELLS) ; fNode.setTime(float(i),i,0)
+            fNode.setName(fieldName1) ; fNode.setMesh(m)
+            arr=DataArrayDouble(2*16) ; arr.iota(300+1000*i) ; arr.rearrange(2)
+            fNode.setArray(arr) ; arr.setInfoOnComponents(["Comp1_1 [m]","Com2_1 [s^2]"]) ; fNode.checkCoherency()
+            f.setFieldNoProfileSBT(fNode)
+            fs1.pushBackTimeStep(f)
+            pass
+        mm.write(fname,2)
+        fs0.write(fname,0) ; fs1.write(fname,0)
+        a0Exp=mm.getCoords().deepCpy()
+        del m,mm,fs0,fs1,f,fNode
+        ########## GO for reading in MEDReader,by not loading all. Mesh is fully loaded but not fields values
+        ms=MEDFileMeshes(fname) ; ms.cartesianizeMe()
+        fields=MEDFileFields(fname,False)
+        fields.removeFieldsWithoutAnyTimeStep()
+        fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
+        allFMTSLeavesToDisplay=[]
+        for fields in fields_per_mesh:
+            allFMTSLeavesToDisplay2=[]
+            for fmts in fields:
+                tmp=fmts.splitDiscretizations()
+                for itmp in tmp:
+                    if itmp.presenceOfMultiDiscPerGeoType():
+                        tmp2=itmp.splitMultiDiscrPerGeoTypes()
+                        for iii,itmp2 in enumerate(tmp2):
+                            name="%s_%i"%(itmp2.getName(),iii)
+                            itmp2.setName(name)
+                            allFMTSLeavesToDisplay2.append(itmp2)
+                            pass
+                        pass
+                    else:
+                        allFMTSLeavesToDisplay2.append(itmp)
+                        pass
+                pass
+            allFMTSLeavesToDisplay.append(allFMTSLeavesToDisplay2)
+            pass
+        # Here 2 MED fields in input and at the end 5 ! 1+4 ! 4 fields have been built from zeField0 due to subspliting per dis / per geo type
+        self.assertEqual(len(allFMTSLeavesToDisplay),1)
+        self.assertEqual(len(allFMTSLeavesToDisplay[0]),5)
+        allFMTSLeavesPerTimeSeries=MEDFileAnyTypeFieldMultiTS.SplitIntoCommonTimeSeries(sum(allFMTSLeavesToDisplay,[]))
+        self.assertEqual(len(allFMTSLeavesPerTimeSeries),1) # one time serie here : because the 2 fields are defined on the same time steps
+        self.assertEqual(len(allFMTSLeavesPerTimeSeries[0]),5)
+        allFMTSLeavesPerCommonSupport=MEDFileAnyTypeFieldMultiTS.SplitPerCommonSupport(allFMTSLeavesPerTimeSeries[0],ms[ms.getMeshesNames()[0]])
+        self.assertEqual(len(allFMTSLeavesPerCommonSupport),5)
+        for i in xrange(5):
+            self.assertEqual(len(allFMTSLeavesPerCommonSupport[i][0]),1)
+        #
+        mst=MEDFileMeshStruct.New(ms[0])
+        #
+        fcscp=allFMTSLeavesPerCommonSupport[4][1]
+        mml=fcscp.buildFromScratchDataSetSupport(0,fields)
+        mml2=mml.prepare()
+        self.assertTrue(isinstance(mml2,MEDUMeshMultiLev))
+        ncc,a0,a1,a2,a3,a4,a5=mml2.buildVTUArrays()
+        self.assertTrue(not ncc)
+        self.assertTrue(a0.isEqual(a0Exp.changeNbOfComponents(3,0.),1e-12))
+        self.assertTrue(a1.isEqual(DataArrayByte([9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9])))
+        self.assertTrue(a2.isEqual(DataArrayInt([0,5,10,15,20,25,30,35,40,45,50,55,60,65,70,75])))
+        self.assertTrue(a3.isEqual(DataArrayInt([4,1,0,5,6,4,2,1,6,7,4,3,2,7,8,4,4,3,8,9,4,6,5,10,11,4,7,6,11,12,4,8,7,12,13,4,9,8,13,14,4,11,10,15,16,4,12,11,16,17,4,13,12,17,18,4,14,13,18,19,4,16,15,20,21,4,17,16,21,22,4,18,17,22,23,4,19,18,23,24]))) # <- here the mesh is NOT renumbered : the mesh is equal to m
+        self.assertTrue(a4 is None)
+        self.assertTrue(a5 is None)
+        for i in xrange(1,5):
+            self.assertTrue((fcscp.isDataSetSupportEqualToThePreviousOne(i,fields)))
+            pass
+        for i in xrange(5):
+            f=allFMTSLeavesPerCommonSupport[0][0][0][i]
+            fsst=MEDFileField1TSStructItem.BuildItemFrom(f,mst)
+            f.loadArraysIfNecessary()
+            v=mml.buildDataArray(fsst,fields,f.getUndergroundDataArray())
+            self.assertEqual(f.getName(),fieldName0)
+            vExp=DataArrayDouble([(0.,1.),(2.,3.),(14.,15.),(16.,17.),(18.,19.),(20.,21.),(22.,23.),(24.,25.),(44.,45.),(46.,47.),(126.,127.),(128.,129.)])
+            vExp.setInfoOnComponents(['Comp1_0 [m]','Com2_0 [s^2]'])
+            vExp+=i*1000
+            self.assertTrue(v.isEqual(vExp,1e-12))
+            #
+            f=allFMTSLeavesPerCommonSupport[1][0][0][i]
+            fsst=MEDFileField1TSStructItem.BuildItemFrom(f,mst)
+            f.loadArraysIfNecessary()
+            v=mml.buildDataArray(fsst,fields,f.getUndergroundDataArray())
+            self.assertEqual(f.getName(),fieldName0)
+            vExp=DataArrayDouble([(4.,5.),(6.,7.),(8.,9.),(10.,11.),(12.,13.),(26.,27.),(28.,29.),(30.,31.),(32.,33.),(34.,35.),(48.,49.),(50.,51.),(52.,53.),(54.,55.),(56.,57.),(58.,59.),(60.,61.),(62.,63.),(64.,65.),(66.,67.)])
+            vExp.setInfoOnComponents(['Comp1_0 [m]','Com2_0 [s^2]'])
+            vExp+=i*1000
+            self.assertTrue(v.isEqual(vExp,1e-12))
+            #
+            f=allFMTSLeavesPerCommonSupport[2][0][0][i]
+            fsst=MEDFileField1TSStructItem.BuildItemFrom(f,mst)
+            f.loadArraysIfNecessary()
+            v=mml.buildDataArray(fsst,fields,f.getUndergroundDataArray())
+            self.assertEqual(f.getName(),fieldName0)
+            vExp=DataArrayDouble([(36.,37.),(38.,39.),(40.,41.),(42.,43.),(68.,69.),(70.,71.),(72.,73.),(74.,75.),(104.,105.),(106.,107.),(108.,109.),(110.,111.)])
+            vExp.setInfoOnComponents(['Comp1_0 [m]','Com2_0 [s^2]'])
+            vExp+=i*1000
+            self.assertTrue(v.isEqual(vExp,1e-12))
+            #
+            f=allFMTSLeavesPerCommonSupport[3][0][0][i]
+            fsst=MEDFileField1TSStructItem.BuildItemFrom(f,mst)
+            f.loadArraysIfNecessary()
+            v=mml.buildDataArray(fsst,fields,f.getUndergroundDataArray())
+            self.assertEqual(f.getName(),fieldName0)
+            vExp=DataArrayDouble([(76,77),(78,79),(80,81),(82,83),(84,85),(86,87),(88,89),(90,91),(92,93),(94,95),(96,97),(98,99),(100,101),(102,103),(112,113),(114,115),(116,117),(118,119),(120,121),(122,123),(124,125)])
+            vExp.setInfoOnComponents(['Comp1_0 [m]','Com2_0 [s^2]'])
+            vExp+=i*1000
+            self.assertTrue(v.isEqual(vExp,1e-12))
+            #
+            f=allFMTSLeavesPerCommonSupport[4][0][0][i]
+            fsst=MEDFileField1TSStructItem.BuildItemFrom(f,mst)
+            f.loadArraysIfNecessary()
+            v=mml.buildDataArray(fsst,fields,f.getUndergroundDataArray())
+            self.assertEqual(f.getName(),fieldName1)
+            self.assertEqual(v.getHiddenCppPointer(),f.getUndergroundDataArray().getHiddenCppPointer())
+            vExp=DataArrayDouble(16*2) ; vExp.iota(300+i*1000) ; vExp.rearrange(2) ; vExp.setInfoOnComponents(['Comp1_1 [m]','Com2_1 [s^2]'])
+            self.assertTrue(v.isEqual(vExp,1e-12))
+            pass
+        pass
+
+    def test35(self):
+        """ Emulate MEDReader in // mode context. Here a Simple mesh having more nodes than really needed. This test focuses on that point particulary."""
+        fname="ForMEDReader35.med"
+        arrX=DataArrayDouble(7) ; arrX.iota()
+        arrY=DataArrayDouble([0.,1.])
+        m=MEDCouplingCMesh() ; m.setCoords(arrX,arrY) ; m=m.buildUnstructured() ; m=m[[0,5,1,4,2,3]] ; m.changeSpaceDimension(3,0.) ; m.setName("Mesh")
+        f=MEDCouplingFieldDouble(ON_CELLS) ; f.setMesh(m) ; f.setName("Field") ; f.setArray(DataArrayDouble([(0.1,1.1),(2.1,3.1),(4.1,5.1),(6.1,7.1),(8.1,9.1),(10.1,11.1)])) ; f.getArray().setInfoOnComponents(["aa","bbb"])
+        MEDLoader.WriteUMesh(fname,m,True)
+        MEDLoader.WriteFieldUsingAlreadyWrittenMesh(fname,f)
+        ########## GO for reading in MEDReader,by not loading all. Mesh is fully loaded but not fields values
+        ms=MEDFileMeshes() # here we reproduce what is done by ParaMEDFileMeshes.ParaNew
+        ms.pushMesh(MEDFileUMesh.LoadPartOf(fname,"Mesh",[NORM_QUAD4],[0,2,1],-1,-1));
+        ms[0].zipCoords()
+        ms.cartesianizeMe()
+        #
+        fields=MEDFileFields.LoadPartOf(fname,False,ms);
+        fields.removeFieldsWithoutAnyTimeStep()
+        fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
+        allFMTSLeavesToDisplay=[]
+        for fields in fields_per_mesh:
+            allFMTSLeavesToDisplay2=[]
+            for fmts in fields:
+                tmp=fmts.splitDiscretizations()
+                for itmp in tmp:
+                    if itmp.presenceOfMultiDiscPerGeoType():
+                        tmp2=itmp.splitMultiDiscrPerGeoTypes()
+                        for iii,itmp2 in enumerate(tmp2):
+                            name="%s_%i"%(itmp2.getName(),iii)
+                            itmp2.setName(name)
+                            allFMTSLeavesToDisplay2.append(itmp2)
+                            pass
+                        pass
+                    else:
+                        allFMTSLeavesToDisplay2.append(itmp)
+                        pass
+                pass
+            allFMTSLeavesToDisplay.append(allFMTSLeavesToDisplay2)
+            pass
+        #
+        self.assertEqual(len(allFMTSLeavesToDisplay),1)
+        self.assertEqual(len(allFMTSLeavesToDisplay[0]),1)
+        allFMTSLeavesPerTimeSeries=MEDFileAnyTypeFieldMultiTS.SplitIntoCommonTimeSeries(sum(allFMTSLeavesToDisplay,[]))
+        self.assertEqual(len(allFMTSLeavesPerTimeSeries),1) # one time serie here : because the 2 fields are defined on the same time steps
+        self.assertEqual(len(allFMTSLeavesPerTimeSeries[0]),1)
+        allFMTSLeavesPerCommonSupport=MEDFileAnyTypeFieldMultiTS.SplitPerCommonSupport(allFMTSLeavesPerTimeSeries[0],ms[ms.getMeshesNames()[0]])
+        self.assertEqual(len(allFMTSLeavesPerCommonSupport),1)
+        self.assertEqual(len(allFMTSLeavesPerCommonSupport[0][0]),1)
+        #
+        mst=MEDFileMeshStruct.New(ms[0])
+        #
+        fcscp=allFMTSLeavesPerCommonSupport[0][1]
+        mml=fcscp.buildFromScratchDataSetSupport(0,fields)
+        mml2=mml.prepare()
+        self.assertTrue(isinstance(mml2,MEDUMeshMultiLev))
+        ncc,a0,a1,a2,a3,a4,a5=mml2.buildVTUArrays()
+        self.assertTrue(ncc)
+        self.assertTrue(a0.isEqual(m.getCoords()[[0,1,5,6,7,8,12,13]],1e-12))# <- the aim of the test
+        self.assertTrue(a1.isEqual(DataArrayByte([9,9])))
+        self.assertTrue(a2.isEqual(DataArrayInt([0,5])))
+        self.assertTrue(a3.isEqual(DataArrayInt([4,1,0,4,5,4,3,2,6,7])))
+        self.assertTrue(a4 is None)
+        self.assertTrue(a5 is None)
+        f2=allFMTSLeavesPerCommonSupport[0][0][0][0]
+        fsst=MEDFileField1TSStructItem.BuildItemFrom(f2,mst)
+        f2.loadArraysIfNecessary()
+        v=mml.buildDataArray(fsst,fields,f2.getUndergroundDataArray())
+        self.assertEqual(f2.getName(),f.getName())
+        vExp=DataArrayDouble([(0.1,1.1),(2.1,3.1)])
+        vExp.setInfoOnComponents(['aa','bbb'])
+        self.assertTrue(v.isEqual(vExp,1e-12))
+        pass
+
+    def test36(self):
+        """Bug EDF11027. Here mesh at level 0 (TRI3) does not fetch all the nodes. Level -1 (SEG2) does not fetch all the nodes neither. But all TRI3 + all SEG2 fetch all nodes.
+        aaa field on GAUSSPoints lying only on TRI3 share the same support than profile node field ccc.
+        But bbb field on all nodes is not on the same support. Past optimization that make the assumtion a support on all lev0 cells lies on all nodes is now over."""
+        meshName="mesh"
+        fname="ForMEDReader36.med"
+        c=DataArrayDouble([(0,0),(1,0),(1,1),(0,1),(2,0),(-1,0),(1,2)])
+        m0=MEDCoupling1SGTUMesh(meshName,NORM_TRI3)
+        m0.setCoords(c)
+        m0.setNodalConnectivity(DataArrayInt([0,2,1,3,2,0,2,4,1]))
+        mm=MEDFileUMesh()
+        mm[0]=m0
+        m1=MEDCoupling1SGTUMesh(meshName,NORM_SEG2)
+        m1.setCoords(c)
+        m1.setNodalConnectivity(DataArrayInt([5,0,0,3,3,2,2,6]))
+        mm[-1]=m1
+        #
+        zeTime=(1.1,2,3)
+        ff1=MEDFileField1TS()
+        f1=MEDCouplingFieldDouble(ON_NODES) ; f1.setMesh(m0)
+        arr=DataArrayDouble(7) ; arr.iota(2000)
+        f1.setArray(arr)
+        f1.setName("bbb")
+        f1.checkCoherency()
+        f1.setTime(*zeTime)
+        ff1.setFieldNoProfileSBT(f1)
+        #
+        ff2=MEDFileField1TS()
+        f2=MEDCouplingFieldDouble(ON_GAUSS_NE) ; f2.setMesh(m0)
+        arr=DataArrayDouble(9) ; arr.iota(4000)
+        f2.setArray(arr)
+        f2.setName("ddd")
+        f2.checkCoherency()
+        f2.setTime(*zeTime)
+        ff2.setFieldNoProfileSBT(f2)
+        #
+        ff3=MEDFileField1TS()
+        f3=MEDCouplingFieldDouble(ON_GAUSS_PT) ; f3.setMesh(m0)
+        f3.setGaussLocalizationOnType(NORM_TRI3,[0,0,1,0,0,1],[0.333333,0.333333],[0.5])
+        arr=DataArrayDouble(3) ; arr.iota(1000)
+        f3.setArray(arr)
+        f3.checkCoherency()
+        f3.setTime(*zeTime)
+        f3.setName("aaa")
+        ff3.setFieldNoProfileSBT(f3)
+        #
+        ff4=MEDFileField1TS()
+        m0d=m0.deepCpy() ; m0d.zipCoords()
+        f4=MEDCouplingFieldDouble(ON_NODES) ; f4.setMesh(m0d)
+        arr=DataArrayDouble(5) ; arr.iota(3000)
+        f4.setArray(arr)
+        f4.setName("ccc")
+        f4.checkCoherency()
+        f4.setTime(*zeTime)
+        pfl=DataArrayInt([0,1,2,3,4]) ; pfl.setName("PFL")
+        ff4.setFieldProfile(f4,mm,0,pfl)
+        #
+        mm.write(fname,2)
+        ff3.write(fname,0)
+        ff1.write(fname,0)
+        ff4.write(fname,0)
+        ###
+        ms=MEDFileMeshes(fname) ; ms.cartesianizeMe()
+        fields=MEDFileFields(fname,False)
+        fields.removeFieldsWithoutAnyTimeStep()
+        fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
+        allFMTSLeavesToDisplay=[]
+        for fields in fields_per_mesh:
+            allFMTSLeavesToDisplay2=[]
+            for fmts in fields:
+                tmp=fmts.splitDiscretizations()
+                for itmp in tmp:
+                    self.assertTrue(not itmp.presenceOfMultiDiscPerGeoType())
+                    pass
+                allFMTSLeavesToDisplay2+=tmp
+                pass
+            allFMTSLeavesToDisplay.append(allFMTSLeavesToDisplay2)
+            pass
+        self.assertEqual(len(allFMTSLeavesToDisplay),1)
+        self.assertEqual(len(allFMTSLeavesToDisplay[0]),3)
+        allFMTSLeavesPerTimeSeries=MEDFileAnyTypeFieldMultiTS.SplitIntoCommonTimeSeries(sum(allFMTSLeavesToDisplay,[]))
+        self.assertEqual(len(allFMTSLeavesPerTimeSeries),1)
+        self.assertEqual(len(allFMTSLeavesPerTimeSeries[0]),3)
+        allFMTSLeavesPerCommonSupport1=MEDFileAnyTypeFieldMultiTS.SplitPerCommonSupport(allFMTSLeavesToDisplay[0],ms[ms.getMeshesNames()[0]])
+        self.assertEqual(len(allFMTSLeavesPerCommonSupport1),2)
+        self.assertEqual(len(allFMTSLeavesPerCommonSupport1[0][0]),2)
+        self.assertEqual(len(allFMTSLeavesPerCommonSupport1[1][0]),1)
+        #
+        mst=MEDFileMeshStruct.New(ms[0])
+        fcscp=allFMTSLeavesPerCommonSupport1[0][1]
+        mml=fcscp.buildFromScratchDataSetSupport(0,fields)
+        mml2=mml.prepare()
+        self.assertTrue(isinstance(mml2,MEDUMeshMultiLev))
+        ncc,a0,a1,a2,a3,a4,a5=mml2.buildVTUArrays()
+        self.assertTrue(not ncc)# here ncc=False because the coordinates are not in ms neither in children.
+        self.assertTrue(a0.isEqual(DataArrayDouble([(0,0,0),(1,0,0),(1,1,0),(0,1,0),(2,0,0)]),1e-12))
+        self.assertTrue(a1.isEqual(DataArrayByte([5,5,5])))
+        self.assertTrue(a2.isEqual(DataArrayInt([0,4,8])))
+        self.assertTrue(a3.isEqual(DataArrayInt([3,0,2,1,3,3,2,0,3,2,4,1])))
+        self.assertTrue(a4 is None)
+        self.assertTrue(a5 is None)
+        for i in xrange(1):
+            ffCell=allFMTSLeavesPerCommonSupport1[0][0][0][i]
+            fsst=MEDFileField1TSStructItem.BuildItemFrom(ffCell,mst)
+            ffCell.loadArraysIfNecessary()
+            v=mml2.buildDataArray(fsst,fields,ffCell.getUndergroundDataArray())
+            self.assertEqual(v.getHiddenCppPointer(),ffCell.getUndergroundDataArray().getHiddenCppPointer())
+            v.isEqual(DataArrayDouble([1000,1001,1002]),1e-12)
+            #
+            ffCell=allFMTSLeavesPerCommonSupport1[0][0][1][i]
+            fsst=MEDFileField1TSStructItem.BuildItemFrom(ffCell,mst)
+            ffCell.loadArraysIfNecessary()
+            v=mml2.buildDataArray(fsst,fields,ffCell.getUndergroundDataArray())
+            self.assertEqual(v.getHiddenCppPointer(),ffCell.getUndergroundDataArray().getHiddenCppPointer())
+            v.isEqual(DataArrayDouble([3000,3001,3002,3003,3004]),1e-12)
+            pass
+        fcscp=allFMTSLeavesPerCommonSupport1[1][1]
+        mml=fcscp.buildFromScratchDataSetSupport(0,fields)
+        mml2=mml.prepare()
+        self.assertTrue(isinstance(mml2,MEDUMeshMultiLev))
+        ncc,a0,a1,a2,a3,a4,a5=mml2.buildVTUArrays()
+        self.assertTrue(not ncc)# here ncc=False because the coordinates are not in ms neither in children.
+        self.assertTrue(a0.isEqual(DataArrayDouble([(0,0,0),(1,0,0),(1,1,0),(0,1,0),(2,0,0),(-1,0,0),(1,2,0)]),1e-12))
+        self.assertTrue(a1.isEqual(DataArrayByte([5,5,5,3,3,3,3])))
+        self.assertTrue(a2.isEqual(DataArrayInt([0,4,8,12,15,18,21])))
+        self.assertTrue(a3.isEqual(DataArrayInt([3,0,2,1,3,3,2,0,3,2,4,1,2,5,0,2,0,3,2,3,2,2,2,6])))
+        self.assertTrue(a4 is None)
+        self.assertTrue(a5 is None)
+        for i in xrange(1):
+            ffCell=allFMTSLeavesPerCommonSupport1[1][0][0][i]
+            fsst=MEDFileField1TSStructItem.BuildItemFrom(ffCell,mst)
+            ffCell.loadArraysIfNecessary()
+            v=mml2.buildDataArray(fsst,fields,ffCell.getUndergroundDataArray())
+            self.assertEqual(v.getHiddenCppPointer(),ffCell.getUndergroundDataArray().getHiddenCppPointer())
+            v.isEqual(DataArrayDouble([2000,2001,2002,2003,2004,2005,2006]),1e-12)
+            pass
+        pass
+
+    def test37(self):
+        """ Introduction of non cartesian meshes management. Here cylindrical."""
+        fname="ForMEDReader37.med"
+        meshName="mesh"
+        description="Cylindrical grid"
+        comps=["X [cm]","Y [cm]","Z [cm]"]
+        arrX=DataArrayDouble(3) ; arrX.iota() ; arrX*=0.8 ; arrX.setInfoOnComponent(0,comps[0])
+        arrY=DataArrayDouble(4) ; arrY.iota() ; arrY*=pi/(len(arrY)-1) ; arrY.setInfoOnComponent(0,comps[1])
+        arrZ=DataArrayDouble(5) ; arrZ.iota() ; arrZ*=1.6 ; arrZ-=8. ; arrZ.setInfoOnComponent(0,comps[2])
+        m=MEDCouplingCMesh() ; m.setCoords(arrX,arrY,arrZ) ; m.setName(meshName)
+        mm=MEDFileCMesh() ; mm.setMesh(m) ; mm.setDescription(description)
+        mm.setAxType(AX_CYL) # the test is here !
+        f=MEDCouplingFieldDouble(ON_CELLS) ; f.setMesh(m) ; f.setName("Field")
+        arr=DataArrayDouble(m.getNumberOfCells()) ; arr.iota() ; arr*=0.1 ; f.setArray(arr) ; f.checkCoherency()
+        ff=MEDFileField1TS() ; ff.setFieldNoProfileSBT(f)
+        fmts=MEDFileFieldMultiTS() ; fmts.pushBackTimeStep(ff)
+        #
+        ms=MEDFileMeshes() ; ms.pushMesh(mm)
+        fields=MEDFileFields() ; fields.pushField(fmts)
+        #ms.write(fname,2) ; fields.write(fname,0)
+        # WARNING for the moment we do not reread fname ! It is not a hidden bug it is just to wait EF control. Coming soon.
+        ms.cartesianizeMe()
+        #
+        fields.removeFieldsWithoutAnyTimeStep()
+        fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
+        allFMTSLeavesToDisplay=[]
+        for fields in fields_per_mesh:
+            allFMTSLeavesToDisplay2=[]
+            for fmts in fields:
+                tmp=fmts.splitDiscretizations()
+                for itmp in tmp:
+                    self.assertTrue(not itmp.presenceOfMultiDiscPerGeoType())
+                    pass
+                allFMTSLeavesToDisplay2+=tmp
+                pass
+            allFMTSLeavesToDisplay.append(allFMTSLeavesToDisplay2)
+            pass
+        #
+        self.assertEqual(len(allFMTSLeavesToDisplay),1)
+        self.assertEqual(len(allFMTSLeavesToDisplay[0]),1)
+        allFMTSLeavesPerTimeSeries=MEDFileAnyTypeFieldMultiTS.SplitIntoCommonTimeSeries(sum(allFMTSLeavesToDisplay,[]))
+        self.assertEqual(len(allFMTSLeavesPerTimeSeries),1)
+        allFMTSLeavesPerCommonSupport1=MEDFileAnyTypeFieldMultiTS.SplitPerCommonSupport(allFMTSLeavesToDisplay[0],ms[ms.getMeshesNames()[0]])
+        self.assertEqual(len(allFMTSLeavesPerCommonSupport1),1)
+        #
+        mst=MEDFileMeshStruct.New(ms[0])
+        fcscp=allFMTSLeavesPerCommonSupport1[0][1]
+        mml=fcscp.buildFromScratchDataSetSupport(0,fields)
+        mml2=mml.prepare()
+        self.assertTrue(isinstance(mml2,MEDCurveLinearMeshMultiLev))# <- hehe it is a CurveLinear no more a CMesh !
+        a,b,c=mml2.buildVTUArrays()
+        self.assertTrue(c)# the array is thoose in structure
+        ref_a=DataArrayDouble([0.,0.,-8.,0.8,0.,-8.,1.6,0.,-8.,0.,0.,-8.,0.4,0.6928203230275509,-8.,0.8,1.3856406460551018,-8.,-0.,0.,-8.,-0.4,0.692820323027551,-8.,-0.8,1.385640646055102,-8.,-0.,0.,-8.,-0.8,0.,-8.,-1.6,0.,-8.,0.,0.,-6.4,0.8,0.,-6.4,1.6,0.,-6.4,0.,0.,-6.4,0.4,0.6928203230275509,-6.4,0.8,1.3856406460551018,-6.4,-0.,0.,-6.4,-0.4,0.692820323027551,-6.4,-0.8,1.385640646055102,-6.4,-0.,0.,-6.4,-0.8,0.,-6.4,-1.6,0.,-6.4,0.,0.,-4.8,0.8,0.,-4.8,1.6,0.,-4.8,0.,0.,-4.8,0.4,0.6928203230275509,-4.8,0.8,1.3856406460551018,-4.8,-0.,0.,-4.8,-0.4,0.692820323027551,-4.8,-0.8,1.385640646055102,-4.8,-0.,0.,-4.8,-0.8,0.,-4.8,-1.6,0.,-4.8,0.,0.,-3.2,0.8,0.,-3.2,1.6,0.,-3.2,0.,0.,-3.2,0.4,0.6928203230275509,-3.2,0.8,1.3856406460551018,-3.2,-0.,0.,-3.2,-0.4,0.692820323027551,-3.2,-0.8,1.385640646055102,-3.2,-0.,0.,-3.2,-0.8,0.,-3.2,-1.6,0.,-3.2,0.,0.,-1.6,0.8,0.,-1.6,1.6,0.,-1.6,0.,0.,-1.6,0.4,0.6928203230275509,-1.6,0.8,1.3856406460551018,-1.6,-0.,0.,-1.6,-0.4,0.692820323027551,-1.6,-0.8,1.385640646055102,-1.6,-0.,0.,-1.6,-0.8,0.,-1.6,-1.6,0.,-1.6],60,3)
+        ref_a.setInfoOnComponents(comps)
+        self.assertTrue(a.isEqual(ref_a,1e-14))
+        self.assertEqual(b,[3,4,5])
+        for i in xrange(1):
+            ffCell=allFMTSLeavesPerCommonSupport1[0][0][0][i]
+            fsst=MEDFileField1TSStructItem.BuildItemFrom(ffCell,mst)
+            ffCell.loadArraysIfNecessary()
+            v=mml2.buildDataArray(fsst,fields,ffCell.getUndergroundDataArray())
+            self.assertEqual(v.getHiddenCppPointer(),ffCell.getUndergroundDataArray().getHiddenCppPointer())
+            self.assertTrue(v.isEqual(DataArrayDouble([0.0,0.1,0.2,0.3,0.4,0.5,0.6,0.7,0.8,0.9,1.0,1.1,1.2,1.3,1.4,1.5,1.6,1.7,1.8,1.9,2.0,2.1,2.2,2.3]),1e-14))
+            pass
+        pass
+        
+    def test38(self):
+        """ Introduction of non cartesian meshes management. Here spherical."""
+        fname="ForMEDReader38.med"
+        meshName="mesh"
+        description="Spherical grid"
+        comps=["X [cm]","Y [cm]","Z [cm]"]
+        arrX=DataArrayDouble(3) ; arrX.iota() ; arrX*=0.8 ; arrX.setInfoOnComponent(0,comps[0])
+        arrY=DataArrayDouble(4) ; arrY.iota() ; arrY*=pi/(len(arrY)-1) ; arrY.setInfoOnComponent(0,comps[1])
+        arrZ=DataArrayDouble(5) ; arrZ.iota() ; arrZ*=2*pi/(len(arrZ)-1) ; arrZ.setInfoOnComponent(0,comps[2])
+        m=MEDCouplingCMesh() ; m.setCoords(arrX,arrY,arrZ) ; m.setName(meshName)
+        mm=MEDFileCMesh() ; mm.setMesh(m) ; mm.setDescription(description)
+        mm.setAxType(AX_SPHER) # the test is here !
+        f=MEDCouplingFieldDouble(ON_CELLS) ; f.setMesh(m) ; f.setName("Field")
+        arr=DataArrayDouble(m.getNumberOfCells()) ; arr.iota() ; arr*=0.1 ; f.setArray(arr) ; f.checkCoherency()
+        ff=MEDFileField1TS() ; ff.setFieldNoProfileSBT(f)
+        fmts=MEDFileFieldMultiTS() ; fmts.pushBackTimeStep(ff)
+        #
+        ms=MEDFileMeshes() ; ms.pushMesh(mm)
+        fields=MEDFileFields() ; fields.pushField(fmts)
+        #ms.write(fname,2) ; fields.write(fname,0)
+        # WARNING for the moment we do not reread fname ! It is not a hidden bug it is just to wait EF control. Coming soon.
+        ms.cartesianizeMe()
+        #
+        fields.removeFieldsWithoutAnyTimeStep()
+        fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
+        allFMTSLeavesToDisplay=[]
+        for fields in fields_per_mesh:
+            allFMTSLeavesToDisplay2=[]
+            for fmts in fields:
+                tmp=fmts.splitDiscretizations()
+                for itmp in tmp:
+                    self.assertTrue(not itmp.presenceOfMultiDiscPerGeoType())
+                    pass
+                allFMTSLeavesToDisplay2+=tmp
+                pass
+            allFMTSLeavesToDisplay.append(allFMTSLeavesToDisplay2)
+            pass
+        #
+        self.assertEqual(len(allFMTSLeavesToDisplay),1)
+        self.assertEqual(len(allFMTSLeavesToDisplay[0]),1)
+        allFMTSLeavesPerTimeSeries=MEDFileAnyTypeFieldMultiTS.SplitIntoCommonTimeSeries(sum(allFMTSLeavesToDisplay,[]))
+        self.assertEqual(len(allFMTSLeavesPerTimeSeries),1)
+        allFMTSLeavesPerCommonSupport1=MEDFileAnyTypeFieldMultiTS.SplitPerCommonSupport(allFMTSLeavesToDisplay[0],ms[ms.getMeshesNames()[0]])
+        self.assertEqual(len(allFMTSLeavesPerCommonSupport1),1)
+        #
+        mst=MEDFileMeshStruct.New(ms[0])
+        fcscp=allFMTSLeavesPerCommonSupport1[0][1]
+        mml=fcscp.buildFromScratchDataSetSupport(0,fields)
+        mml2=mml.prepare()
+        self.assertTrue(isinstance(mml2,MEDCurveLinearMeshMultiLev))
+        a,b,c=mml2.buildVTUArrays()
+        self.assertTrue(c)# the array is thoose in structure
+        ref_a=DataArrayDouble([0.,0.,0.,0.,0.,0.8,0.,0.,1.6,0.,0.,0.,0.6928203230275509,0.,0.4,1.3856406460551018,0.,0.8,0.,0.,-0.,0.692820323027551,0.,-0.4,1.385640646055102,0.,-0.8,0.,0.,-0.,0.,0.,-0.8,0.,0.,-1.6,0.,0.,0.,0.,0.,0.8,0.,0.,1.6,0.,0.,0.,0.,0.6928203230275509,0.4,0.,1.3856406460551018,0.8,0.,0.,-0.,0.,0.692820323027551,-0.4,0.,1.385640646055102,-0.8,0.,0.,-0.,0.,0.,-0.8,0.,0.,-1.6,-0.,0.,0.,-0.,0.,0.8,-0.,0.,1.6,-0.,0.,0.,-0.6928203230275509,0.,0.4,-1.3856406460551018,0.,0.8,-0.,0.,-0.,-0.692820323027551,0.,-0.4,-1.385640646055102,0.,-0.8,-0.,0.,-0.,0.,0.,-0.8,0.,0.,-1.6,-0.,-0.,0.,-0.,-0.,0.8,-0.,-0.,1.6,-0.,-0.,0.,0.,-0.6928203230275509,0.4,0.,-1.3856406460551018,0.8,-0.,-0.,-0.,0.,-0.692820323027551,-0.4,0.,-1.385640646055102,-0.8,-0.,-0.,-0.,0.,0.,-0.8,0.,0.,-1.6,0.,-0.,0.,0.,-0.,0.8,0.,-0.,1.6,0.,-0.,0.,0.6928203230275509,0.,0.4,1.3856406460551018,0.,0.8,0.,-0.,-0.,0.692820323027551,0.,-0.4,1.385640646055102,0.,-0.8,0.,-0.,-0.,0.,0.,-0.8,0.,0.,-1.6],60,3)
+        ref_a.setInfoOnComponents(comps)
+        self.assertTrue(a.isEqual(ref_a,1e-14))
+        self.assertEqual(b,[3,4,5])
+        for i in xrange(1):
+            ffCell=allFMTSLeavesPerCommonSupport1[0][0][0][i]
+            fsst=MEDFileField1TSStructItem.BuildItemFrom(ffCell,mst)
+            ffCell.loadArraysIfNecessary()
+            v=mml2.buildDataArray(fsst,fields,ffCell.getUndergroundDataArray())
+            self.assertEqual(v.getHiddenCppPointer(),ffCell.getUndergroundDataArray().getHiddenCppPointer())
+            self.assertTrue(v.isEqual(DataArrayDouble([0.0,0.1,0.2,0.3,0.4,0.5,0.6,0.7,0.8,0.9,1.0,1.1,1.2,1.3,1.4,1.5,1.6,1.7,1.8,1.9,2.0,2.1,2.2,2.3]),1e-14))
+            pass
+        pass
+
+    def test39(self):
+        """Idem test37, test38, test39, test40 except that here it is an unstructured mesh."""
+        fname="ForMEDReader39.med"
+        meshName="mesh"
+        description="Spherical grid"
+        comps=["X [cm]","Y [cm]","Z [cm]"]
+        arrX=DataArrayDouble(3) ; arrX.iota() ; arrX*=0.8 ; arrX.setInfoOnComponent(0,comps[0])
+        arrY=DataArrayDouble(4) ; arrY.iota() ; arrY*=pi/(len(arrY)-1) ; arrY.setInfoOnComponent(0,comps[1])
+        arrZ=DataArrayDouble(5) ; arrZ.iota() ; arrZ*=2*pi/(len(arrZ)-1) ; arrZ.setInfoOnComponent(0,comps[2])
+        m=MEDCouplingCMesh() ; m.setCoords(arrX,arrY,arrZ) ; m.setName(meshName) ; m=m.buildUnstructured()
+        mm=MEDFileUMesh() ; mm[0]=m ; mm.setDescription(description) # the test is here : UMesh !
+        mm.setAxType(AX_SPHER) # the test is here !
+        f=MEDCouplingFieldDouble(ON_CELLS) ; f.setMesh(m) ; f.setName("Field")
+        arr=DataArrayDouble(m.getNumberOfCells()) ; arr.iota() ; arr*=0.1 ; f.setArray(arr) ; f.checkCoherency()
+        ff=MEDFileField1TS() ; ff.setFieldNoProfileSBT(f)
+        fmts=MEDFileFieldMultiTS() ; fmts.pushBackTimeStep(ff)
+        #
+        ms=MEDFileMeshes() ; ms.pushMesh(mm)
+        fields=MEDFileFields() ; fields.pushField(fmts)
+        ms.write(fname,2) ; fields.write(fname,0)
+        #
+        ms=MEDFileMeshes(fname) ; ms.cartesianizeMe()
+        fields=MEDFileFields(fname,False)
+        fields.removeFieldsWithoutAnyTimeStep()
+        fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
+        allFMTSLeavesToDisplay=[]
+        for fields in fields_per_mesh:
+            allFMTSLeavesToDisplay2=[]
+            for fmts in fields:
+                tmp=fmts.splitDiscretizations()
+                for itmp in tmp:
+                    self.assertTrue(not itmp.presenceOfMultiDiscPerGeoType())
+                    pass
+                allFMTSLeavesToDisplay2+=tmp
+                pass
+            allFMTSLeavesToDisplay.append(allFMTSLeavesToDisplay2)
+            pass
+        #
+        self.assertEqual(len(allFMTSLeavesToDisplay),1)
+        self.assertEqual(len(allFMTSLeavesToDisplay[0]),1)
+        allFMTSLeavesPerTimeSeries=MEDFileAnyTypeFieldMultiTS.SplitIntoCommonTimeSeries(sum(allFMTSLeavesToDisplay,[]))
+        self.assertEqual(len(allFMTSLeavesPerTimeSeries),1)
+        allFMTSLeavesPerCommonSupport1=MEDFileAnyTypeFieldMultiTS.SplitPerCommonSupport(allFMTSLeavesToDisplay[0],ms[ms.getMeshesNames()[0]])
+        self.assertEqual(len(allFMTSLeavesPerCommonSupport1),1)
+        #
+        mst=MEDFileMeshStruct.New(ms[0])
+        fcscp=allFMTSLeavesPerCommonSupport1[0][1]
+        mml=fcscp.buildFromScratchDataSetSupport(0,fields)
+        mml2=mml.prepare()
+        self.assertTrue(isinstance(mml2,MEDUMeshMultiLev))
+        ncc,a0,a1,a2,a3,a4,a5=mml2.buildVTUArrays()
+        self.assertTrue(ncc)
+        ref_a=DataArrayDouble([0.,0.,0.,0.,0.,0.8,0.,0.,1.6,0.,0.,0.,0.6928203230275509,0.,0.4,1.3856406460551018,0.,0.8,0.,0.,-0.,0.692820323027551,0.,-0.4,1.385640646055102,0.,-0.8,0.,0.,-0.,0.,0.,-0.8,0.,0.,-1.6,0.,0.,0.,0.,0.,0.8,0.,0.,1.6,0.,0.,0.,0.,0.6928203230275509,0.4,0.,1.3856406460551018,0.8,0.,0.,-0.,0.,0.692820323027551,-0.4,0.,1.385640646055102,-0.8,0.,0.,-0.,0.,0.,-0.8,0.,0.,-1.6,-0.,0.,0.,-0.,0.,0.8,-0.,0.,1.6,-0.,0.,0.,-0.6928203230275509,0.,0.4,-1.3856406460551018,0.,0.8,-0.,0.,-0.,-0.692820323027551,0.,-0.4,-1.385640646055102,0.,-0.8,-0.,0.,-0.,0.,0.,-0.8,0.,0.,-1.6,-0.,-0.,0.,-0.,-0.,0.8,-0.,-0.,1.6,-0.,-0.,0.,0.,-0.6928203230275509,0.4,0.,-1.3856406460551018,0.8,-0.,-0.,-0.,0.,-0.692820323027551,-0.4,0.,-1.385640646055102,-0.8,-0.,-0.,-0.,0.,0.,-0.8,0.,0.,-1.6,0.,-0.,0.,0.,-0.,0.8,0.,-0.,1.6,0.,-0.,0.,0.6928203230275509,0.,0.4,1.3856406460551018,0.,0.8,0.,-0.,-0.,0.692820323027551,0.,-0.4,1.385640646055102,0.,-0.8,0.,-0.,-0.,0.,0.,-0.8,0.,0.,-1.6],60,3)
+        ref_a.setInfoOnComponents(comps)
+        self.assertTrue(a0.isEqual(ref_a,1e-14))#<- Test is here
+        for i in xrange(1):
+            ffCell=allFMTSLeavesPerCommonSupport1[0][0][0][i]
+            fsst=MEDFileField1TSStructItem.BuildItemFrom(ffCell,mst)
+            ffCell.loadArraysIfNecessary()
+            v=mml2.buildDataArray(fsst,fields,ffCell.getUndergroundDataArray())
+            self.assertEqual(v.getHiddenCppPointer(),ffCell.getUndergroundDataArray().getHiddenCppPointer())
+            self.assertTrue(v.isEqual(DataArrayDouble([0.0,0.1,0.2,0.3,0.4,0.5,0.6,0.7,0.8,0.9,1.0,1.1,1.2,1.3,1.4,1.5,1.6,1.7,1.8,1.9,2.0,2.1,2.2,2.3]),1e-14))
+        pass
+
+    def test40(self):
+        """Idem test37, test38, test39, test40 except that here it is a CL mesh."""
+        fname="ForMEDReader40.med"
+        meshName="mesh"
+        description="Spherical grid"
+        comps=["X [cm]","Y [cm]","Z [cm]"]
+        arrX=DataArrayDouble(3) ; arrX.iota() ; arrX*=0.8 ; arrX.setInfoOnComponent(0,comps[0])
+        arrY=DataArrayDouble(4) ; arrY.iota() ; arrY*=pi/(len(arrY)-1) ; arrY.setInfoOnComponent(0,comps[1])
+        arrZ=DataArrayDouble(5) ; arrZ.iota() ; arrZ*=2*pi/(len(arrZ)-1) ; arrZ.setInfoOnComponent(0,comps[2])
+        m=MEDCouplingCMesh() ; m.setCoords(arrX,arrY,arrZ) ; m.setName(meshName) ; m=m.buildCurveLinear()
+        mm=MEDFileCurveLinearMesh() ; mm.setMesh(m) ; mm.setDescription(description) # the test is here CLMesh!
+        mm.setAxType(AX_SPHER) # the test is here !
+        f=MEDCouplingFieldDouble(ON_CELLS) ; f.setMesh(m) ; f.setName("Field")
+        arr=DataArrayDouble(m.getNumberOfCells()) ; arr.iota() ; arr*=0.1 ; f.setArray(arr) ; f.checkCoherency()
+        ff=MEDFileField1TS() ; ff.setFieldNoProfileSBT(f)
+        fmts=MEDFileFieldMultiTS() ; fmts.pushBackTimeStep(ff)
+        #
+        ms=MEDFileMeshes() ; ms.pushMesh(mm)
+        fields=MEDFileFields() ; fields.pushField(fmts)
+        ms.write(fname,2) ; fields.write(fname,0)
+        #
+        ms=MEDFileMeshes(fname) ; ms.cartesianizeMe()
+        fields=MEDFileFields(fname,False)
+        fields.removeFieldsWithoutAnyTimeStep()
+        fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
+        allFMTSLeavesToDisplay=[]
+        for fields in fields_per_mesh:
+            allFMTSLeavesToDisplay2=[]
+            for fmts in fields:
+                tmp=fmts.splitDiscretizations()
+                for itmp in tmp:
+                    self.assertTrue(not itmp.presenceOfMultiDiscPerGeoType())
+                    pass
+                allFMTSLeavesToDisplay2+=tmp
+                pass
+            allFMTSLeavesToDisplay.append(allFMTSLeavesToDisplay2)
+            pass
+        #
+        self.assertEqual(len(allFMTSLeavesToDisplay),1)
+        self.assertEqual(len(allFMTSLeavesToDisplay[0]),1)
+        allFMTSLeavesPerTimeSeries=MEDFileAnyTypeFieldMultiTS.SplitIntoCommonTimeSeries(sum(allFMTSLeavesToDisplay,[]))
+        self.assertEqual(len(allFMTSLeavesPerTimeSeries),1)
+        allFMTSLeavesPerCommonSupport1=MEDFileAnyTypeFieldMultiTS.SplitPerCommonSupport(allFMTSLeavesToDisplay[0],ms[ms.getMeshesNames()[0]])
+        self.assertEqual(len(allFMTSLeavesPerCommonSupport1),1)
+        #
+        mst=MEDFileMeshStruct.New(ms[0])
+        fcscp=allFMTSLeavesPerCommonSupport1[0][1]
+        mml=fcscp.buildFromScratchDataSetSupport(0,fields)
+        mml2=mml.prepare()
+        self.assertTrue(isinstance(mml2,MEDCurveLinearMeshMultiLev))
+        a,b,c=mml2.buildVTUArrays()
+        self.assertTrue(c)
+        ref_a=DataArrayDouble([0.,0.,0.,0.,0.,0.8,0.,0.,1.6,0.,0.,0.,0.6928203230275509,0.,0.4,1.3856406460551018,0.,0.8,0.,0.,-0.,0.692820323027551,0.,-0.4,1.385640646055102,0.,-0.8,0.,0.,-0.,0.,0.,-0.8,0.,0.,-1.6,0.,0.,0.,0.,0.,0.8,0.,0.,1.6,0.,0.,0.,0.,0.6928203230275509,0.4,0.,1.3856406460551018,0.8,0.,0.,-0.,0.,0.692820323027551,-0.4,0.,1.385640646055102,-0.8,0.,0.,-0.,0.,0.,-0.8,0.,0.,-1.6,-0.,0.,0.,-0.,0.,0.8,-0.,0.,1.6,-0.,0.,0.,-0.6928203230275509,0.,0.4,-1.3856406460551018,0.,0.8,-0.,0.,-0.,-0.692820323027551,0.,-0.4,-1.385640646055102,0.,-0.8,-0.,0.,-0.,0.,0.,-0.8,0.,0.,-1.6,-0.,-0.,0.,-0.,-0.,0.8,-0.,-0.,1.6,-0.,-0.,0.,0.,-0.6928203230275509,0.4,0.,-1.3856406460551018,0.8,-0.,-0.,-0.,0.,-0.692820323027551,-0.4,0.,-1.385640646055102,-0.8,-0.,-0.,-0.,0.,0.,-0.8,0.,0.,-1.6,0.,-0.,0.,0.,-0.,0.8,0.,-0.,1.6,0.,-0.,0.,0.6928203230275509,0.,0.4,1.3856406460551018,0.,0.8,0.,-0.,-0.,0.692820323027551,0.,-0.4,1.385640646055102,0.,-0.8,0.,-0.,-0.,0.,0.,-0.8,0.,0.,-1.6],60,3)
+        ref_a.setInfoOnComponents(comps)
+        self.assertTrue(a.isEqual(ref_a,1e-14))#<- Test is here
+        self.assertEqual(b,[3,4,5])
+        for i in xrange(1):
+            ffCell=allFMTSLeavesPerCommonSupport1[0][0][0][i]
+            fsst=MEDFileField1TSStructItem.BuildItemFrom(ffCell,mst)
+            ffCell.loadArraysIfNecessary()
+            v=mml2.buildDataArray(fsst,fields,ffCell.getUndergroundDataArray())
+            self.assertEqual(v.getHiddenCppPointer(),ffCell.getUndergroundDataArray().getHiddenCppPointer())
+            self.assertTrue(v.isEqual(DataArrayDouble([0.0,0.1,0.2,0.3,0.4,0.5,0.6,0.7,0.8,0.9,1.0,1.1,1.2,1.3,1.4,1.5,1.6,1.7,1.8,1.9,2.0,2.1,2.2,2.3]),1e-14))
+        pass
+
     pass
 
-unittest.main()
+if __name__ == "__main__":
+  unittest.main()