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MEDReader now manages fields on profile of -1 level of structured meshes (using impli...
[tools/medcoupling.git] / src / MEDLoader / Swig / MEDLoaderTest4.py
index 164269087805c54946bec3e3dd41153c8807385b..56d0b4a5757d067ec618dcd2c7bf118f12404a75 100644 (file)
@@ -1,10 +1,10 @@
 #  -*- coding: iso-8859-1 -*-
-# Copyright (C) 2007-2013  CEA/DEN, EDF R&D
+# Copyright (C) 2007-2014  CEA/DEN, EDF R&D
 #
 # This library is free software; you can redistribute it and/or
 # modify it under the terms of the GNU Lesser General Public
 # License as published by the Free Software Foundation; either
-# version 2.1 of the License.
+# version 2.1 of the License, or (at your option) any later version.
 #
 # This library is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -151,6 +151,7 @@ class MEDLoaderTest4(unittest.TestCase):
         ########## GO for reading in MEDReader, by not loading all. Mesh is fully loaded but not fields values
         ms=MEDFileMeshes(fname)
         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=[]
@@ -362,6 +363,7 @@ class MEDLoaderTest4(unittest.TestCase):
         ########## GO for reading in MEDReader, by not loading all. Mesh is fully loaded but not fields values
         ms=MEDFileMeshes(fname)
         fields=MEDFileFields(fname,False)
+        fields.removeFieldsWithoutAnyTimeStep()
         fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
         allFMTSLeavesToDisplay=[]
         for fields in fields_per_mesh:
@@ -523,6 +525,7 @@ class MEDLoaderTest4(unittest.TestCase):
         ########## GO for reading in MEDReader, by not loading all. Mesh is fully loaded but not fields values
         ms=MEDFileMeshes(fname)
         fields=MEDFileFields(fname,False)
+        fields.removeFieldsWithoutAnyTimeStep()
         fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
         allFMTSLeavesToDisplay=[]
         for fields in fields_per_mesh:
@@ -773,6 +776,7 @@ class MEDLoaderTest4(unittest.TestCase):
         ########## GO for reading in MEDReader, by not loading all. Mesh is fully loaded but not fields values
         ms=MEDFileMeshes(fname)
         fields=MEDFileFields(fname,False)
+        fields.removeFieldsWithoutAnyTimeStep()
         fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
         allFMTSLeavesToDisplay=[]
         for fields in fields_per_mesh:
@@ -900,6 +904,7 @@ class MEDLoaderTest4(unittest.TestCase):
         ########## GO for reading in MEDReader,by not loading all. Mesh is fully loaded but not fields values
         ms=MEDFileMeshes(fname)
         fields=MEDFileFields(fname,False)
+        fields.removeFieldsWithoutAnyTimeStep()
         fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
         allFMTSLeavesToDisplay=[]
         for fields in fields_per_mesh:
@@ -1061,6 +1066,7 @@ class MEDLoaderTest4(unittest.TestCase):
         ########## GO for reading in MEDReader,by not loading all. Mesh is fully loaded but not fields values
         ms=MEDFileMeshes(fname)
         fields=MEDFileFields(fname,False)
+        fields.removeFieldsWithoutAnyTimeStep()
         fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
         allFMTSLeavesToDisplay=[]
         for fields in fields_per_mesh:
@@ -1265,6 +1271,7 @@ class MEDLoaderTest4(unittest.TestCase):
         ########## GO for reading in MEDReader,by not loading all. Mesh is fully loaded but not fields values
         ms=MEDFileMeshes(fname)
         fields=MEDFileFields(fname,False)
+        fields.removeFieldsWithoutAnyTimeStep()
         fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
         allFMTSLeavesToDisplay=[]
         for fields in fields_per_mesh:
@@ -1459,6 +1466,7 @@ class MEDLoaderTest4(unittest.TestCase):
         ########## GO for reading in MEDReader,by not loading all. Mesh is fully loaded but not fields values
         ms=MEDFileMeshes(fname)
         fields=MEDFileFields(fname,False)
+        fields.removeFieldsWithoutAnyTimeStep()
         fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
         allFMTSLeavesToDisplay=[]
         for fields in fields_per_mesh:
@@ -1602,6 +1610,7 @@ class MEDLoaderTest4(unittest.TestCase):
         ########## GO for reading in MEDReader,by not loading all. Mesh is fully loaded but not fields values
         ms=MEDFileMeshes(fname)
         fields=MEDFileFields(fname,False)
+        fields.removeFieldsWithoutAnyTimeStep()
         fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
         allFMTSLeavesToDisplay=[]
         for fields in fields_per_mesh:
@@ -1730,6 +1739,7 @@ class MEDLoaderTest4(unittest.TestCase):
         ########## GO for reading in MEDReader,by not loading all. Mesh is fully loaded but not fields values
         ms=MEDFileMeshes(fname)
         fields=MEDFileFields(fname,False)
+        fields.removeFieldsWithoutAnyTimeStep()
         fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
         allFMTSLeavesToDisplay=[]
         for fields in fields_per_mesh:
@@ -1828,6 +1838,7 @@ class MEDLoaderTest4(unittest.TestCase):
         ########## GO for reading in MEDReader,by not loading all. Mesh is fully loaded but not fields values
         ms=MEDFileMeshes(fname)
         fields=MEDFileFields(fname,False)
+        fields.removeFieldsWithoutAnyTimeStep()
         fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
         allFMTSLeavesToDisplay=[]
         for fields in fields_per_mesh:
@@ -1918,6 +1929,7 @@ class MEDLoaderTest4(unittest.TestCase):
         ########## GO for reading in MEDReader,by not loading all. Mesh is fully loaded but not fields values
         ms=MEDFileMeshes(fname)
         fields=MEDFileFields(fname,False)
+        fields.removeFieldsWithoutAnyTimeStep()
         fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
         allFMTSLeavesToDisplay=[]
         for fields in fields_per_mesh:
@@ -2030,6 +2042,7 @@ class MEDLoaderTest4(unittest.TestCase):
             ########## GO for reading in MEDReader,by not loading all. Mesh is fully loaded but not fields values
             ms=MEDFileMeshes(fname)
             fields=MEDFileFields(fname,False)
+            fields.removeFieldsWithoutAnyTimeStep()
             fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
             allFMTSLeavesToDisplay=[]
             for fields in fields_per_mesh:
@@ -2181,6 +2194,7 @@ class MEDLoaderTest4(unittest.TestCase):
             ########## GO for reading in MEDReader,by not loading all. Mesh is fully loaded but not fields values
             ms=MEDFileMeshes(fname)
             fields=MEDFileFields(fname,False)
+            fields.removeFieldsWithoutAnyTimeStep()
             fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
             allFMTSLeavesToDisplay=[]
             for fields in fields_per_mesh:
@@ -2338,6 +2352,7 @@ class MEDLoaderTest4(unittest.TestCase):
         ########## GO for reading in MEDReader,by not loading all. Mesh is fully loaded but not fields values
         ms=MEDFileMeshes(fname)
         fields=MEDFileFields(fname,False)
+        fields.removeFieldsWithoutAnyTimeStep()
         fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
         allFMTSLeavesToDisplay=[]
         for fields in fields_per_mesh:
@@ -2525,6 +2540,7 @@ class MEDLoaderTest4(unittest.TestCase):
         ########## GO for reading in MEDReader,by not loading all. Mesh is fully loaded but not fields values
         ms=MEDFileMeshes(fname)
         fields=MEDFileFields(fname,False)
+        fields.removeFieldsWithoutAnyTimeStep()
         fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
         allFMTSLeavesToDisplay=[]
         for fields in fields_per_mesh:
@@ -2596,6 +2612,7 @@ class MEDLoaderTest4(unittest.TestCase):
         ########## GO for reading in MEDReader,by not loading all. Mesh is fully loaded but not fields values
         ms=MEDFileMeshes(fname)
         fields=MEDFileFields(fname,False)
+        fields.removeFieldsWithoutAnyTimeStep()
         fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
         allFMTSLeavesToDisplay=[]
         for fields in fields_per_mesh:
@@ -2707,6 +2724,7 @@ class MEDLoaderTest4(unittest.TestCase):
         ########## GO for reading in MEDReader,by not loading all. Mesh is fully loaded but not fields values
         ms=MEDFileMeshes(fname)
         fields=MEDFileFields(fname,False)
+        fields.removeFieldsWithoutAnyTimeStep()
         fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
         allFMTSLeavesToDisplay=[]
         for fields in fields_per_mesh:
@@ -2872,6 +2890,7 @@ class MEDLoaderTest4(unittest.TestCase):
         ########## GO for reading in MEDReader,by not loading all. Mesh is fully loaded but not fields values
         ms=MEDFileMeshes(fname)
         fields=MEDFileFields(fname,False)
+        fields.removeFieldsWithoutAnyTimeStep()
         fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
         allFMTSLeavesToDisplay=[]
         for fields in fields_per_mesh:
@@ -3051,6 +3070,7 @@ class MEDLoaderTest4(unittest.TestCase):
         ########## GO for reading in MEDReader,by not loading all. Mesh is fully loaded but not fields values
         ms=MEDFileMeshes(fname)
         fields=MEDFileFields(fname,False)
+        fields.removeFieldsWithoutAnyTimeStep()
         fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
         allFMTSLeavesToDisplay=[]
         for fields in fields_per_mesh:
@@ -3247,6 +3267,7 @@ class MEDLoaderTest4(unittest.TestCase):
         ########## GO for reading in MEDReader,by not loading all. Mesh is fully loaded but not fields values
         ms=MEDFileMeshes(fname)
         fields=MEDFileFields(fname,False)
+        fields.removeFieldsWithoutAnyTimeStep()
         fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
         allFMTSLeavesToDisplay=[]
         for fields in fields_per_mesh:
@@ -3354,6 +3375,7 @@ class MEDLoaderTest4(unittest.TestCase):
         ########## GO for reading in MEDReader,by not loading all. Mesh is fully loaded but not fields values
         ms=MEDFileMeshes(fname)
         fields=MEDFileFields(fname,False)
+        fields.removeFieldsWithoutAnyTimeStep()
         fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
         allFMTSLeavesToDisplay=[]
         for fields in fields_per_mesh:
@@ -3454,6 +3476,7 @@ class MEDLoaderTest4(unittest.TestCase):
         ########## GO for reading in MEDReader,by not loading all. Mesh is fully loaded but not fields values
         ms=MEDFileMeshes(fname)
         fields=MEDFileFields(fname,False)
+        fields.removeFieldsWithoutAnyTimeStep()
         fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
         allFMTSLeavesToDisplay=[]
         for fields in fields_per_mesh:
@@ -3557,6 +3580,7 @@ class MEDLoaderTest4(unittest.TestCase):
         ########## GO for reading in MEDReader,by not loading all. Mesh is fully loaded but not fields values
         ms=MEDFileMeshes(fname)
         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:
@@ -3766,6 +3790,7 @@ class MEDLoaderTest4(unittest.TestCase):
         ########## GO for reading in MEDReader,by not loading all. Mesh is fully loaded but not fields values
         ms=MEDFileMeshes(fname)
         fields=MEDFileFields(fname,False)
+        fields.removeFieldsWithoutAnyTimeStep()
         fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
         allFMTSLeavesToDisplay=[]
         for fields in fields_per_mesh:
@@ -3876,6 +3901,7 @@ class MEDLoaderTest4(unittest.TestCase):
         ########## GO for reading in MEDReader,by not loading all. Mesh is fully loaded but not fields values
         ms=MEDFileMeshes(fname)
         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()]
@@ -4017,6 +4043,7 @@ class MEDLoaderTest4(unittest.TestCase):
         ########## GO for reading in MEDReader,by not loading all. Mesh is fully loaded but not fields values
         ms=MEDFileMeshes(fname)
         fields=MEDFileFields(fname,False)
+        fields.removeFieldsWithoutAnyTimeStep()
         fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
         allFMTSLeavesToDisplay=[]
         for fields in fields_per_mesh:
@@ -4123,6 +4150,480 @@ class MEDLoaderTest4(unittest.TestCase):
         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)
+        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()
+                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)
+        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()
+                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)
+        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()
+                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)
+        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()
+                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)
+        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)
+        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()
+                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
     pass
 
 unittest.main()