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correction of bug EDF 7972. Revealed in MEDReader. The problem happens with a field...
[modules/med.git] / src / MEDLoader / Swig / MEDLoaderTest4.py
index 24d7f25c5fad97fc88bc63a86249a61339eb65cc..a0006742db63924c73e27b4a24cacc17645fec74 100644 (file)
@@ -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 +4150,202 @@ 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
+        ncc,a0,a1,a2,a3,a4,a5=mml2.buildVTUArrays()
+        self.assertTrue(not ncc)# BUG EDF 7972 ! here all the nodes are taken, BUT the coordinates comes from a non available array in file so in memory ! so false is returned !
+        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
+    
     pass
 
 unittest.main()