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Try to fix race when MEDWRITER tests are launched in parallel
[modules/paravis.git] / src / Plugins / MEDWriter / plugin / Test / TestMEDWriter0.py
index 937d5de3842b84308c15da6a0095d2761af2342b..bbe457389592e1f986754239d54f11d3648e7245 100644 (file)
@@ -28,225 +28,224 @@ import tempfile
 #### disable automatic camera reset on 'Show'
 paraview.simple._DisableFirstRenderCameraReset()
 
-tmpdir = tempfile.TemporaryDirectory(prefix="MEDWriter_")
-
-pat=os.path.join(tmpdir.name, 'testMEDWriter_%i.med')
-fname0=pat%0
-fname1=pat%1
-fname2=pat%2
-fname3=pat%3
-fname4=pat%4
-fname4_vtp=os.path.splitext(pat%4)[0]+".vtp"
-fname5=pat%5
-fname6_vtu=os.path.splitext(pat%6)[0]+".vtu"
-fname6=pat%6
-fname7_vtu=os.path.splitext(pat%7)[0]+".vtu"
-fname7=pat%7
-fname8_vtr=os.path.splitext(pat%8)[0]+".vtr"
-fname8=pat%8
-
-##### First test with a simple sphere
-
-plane1 = Sphere()
-SaveData(fname0,proxy=plane1,WriteAllTimeSteps=1)
-#
-totomed=MEDReader(FileName=fname0)
-totomed.AllArrays=['TS1/Mesh/ComSup0/Mesh@@][@@P0']
-totomed.AllTimeSteps=['0000']
-SaveData(fname1,proxy=totomed,WriteAllTimeSteps=1)
-# Sphere has been written. Try to check to write it in MED file !
-mfd=ml.MEDFileData(fname0)
-mm=mfd.getMeshes()[0] ; m0=mm[0]
-area=m0.getMeasureField(True).accumulate()[0]
-assert(abs(sqrt(area/(4*pi))-0.975/2.)<0.01) # 4*pi*radius**2
-f=mfd.getFields()[0][0].getFieldOnMeshAtLevel(ml.ON_NODES,0,mm)
-f_array_double = f.getArray().convertToDblArr() # f is MEDCouplingFieldFloat
-assert(abs(ml.DataArrayDouble(f_array_double.accumulate(),1,3).magnitude()[0])<1e-12) # sum of all normal vector should be 0
-
-
-##### Build a MED file from scratch
-
-fieldName0="F0"
-fieldName1="F1"
-c=ml.DataArrayDouble([0.,0.,1.,1.,2.,2.,1.,0.,2.,0.,0.,2.,1.,2.,0.,1.,2.,1.],9,2)
-c.setInfoOnComponents(["X abc","Y defg"])
-#
-mName="mesh"
-m0=ml.MEDCouplingUMesh(mName,2) ; m0.allocateCells() ; m0.setCoords(c)
-m0.insertNextCell(ml.NORM_TRI3,[3,1,4])
-m0.insertNextCell(ml.NORM_TRI3,[1,8,4])
-m0.insertNextCell(ml.NORM_QUAD4,[0,7,1,3])
-m0.insertNextCell(ml.NORM_QUAD4,[1,6,2,4])
-m0.insertNextCell(ml.NORM_QUAD4,[7,5,6,1])
-m1=ml.MEDCouplingUMesh(mName,1) ; m1.allocateCells() ; m1.setCoords(c)
-m1.insertNextCell(ml.NORM_SEG2,[0,7])
-m1.insertNextCell(ml.NORM_SEG2,[7,5])
-m1.insertNextCell(ml.NORM_SEG2,[5,6])
-mm=ml.MEDFileUMesh() ; mm[0]=m0 ; mm[-1]=m1
-mm.setFamilyFieldArr(1,ml.DataArrayInt([200,201,202,203,204,205,206,207,208]))
-mm.setFamilyFieldArr(0,ml.DataArrayInt([100,101,102,103,104]))
-mm.setFamilyFieldArr(-1,ml.DataArrayInt([105,106,107]))
-mm.setFamilyId("Fam3",3) ; mm.setFamilyId("Fam5",7)
-mm.setFamiliesOnGroup("gr0",["Fam3"])
-mm.setFamiliesOnGroup("gr1",["Fam5"])
-mm.setFamiliesOnGroup("gr2",["Fam3","Fam5"])
-mm.write(fname2,2)
-#
-f1ts0=ml.MEDFileField1TS()
-f0=ml.MEDCouplingFieldDouble(ml.ON_CELLS) ; f0.setName(fieldName0)
-f0.setMesh(m0) ; f0.setArray(ml.DataArrayDouble([8,7,6,5,4]))
-f1ts0.setFieldNoProfileSBT(f0)
-f0=ml.MEDCouplingFieldDouble(ml.ON_CELLS) ; f0.setName(fieldName0)
-f0.setMesh(m1) ; f0.setArray(ml.DataArrayDouble([3,2,1]))
-f0.setTime(0,0,0)
-f1ts0.setFieldNoProfileSBT(f0)
-f1ts0.write(fname2,0)
-#
-f1ts1=ml.MEDFileField1TS()
-f0=ml.MEDCouplingFieldDouble(ml.ON_NODES) ; f0.setName(fieldName1)
-arr=ml.DataArrayDouble([9,109,8,108,7,107,6,106,5,105,4,104,3,103,2,102,1,101],9,2)
-arr.setInfoOnComponents(["aa","bbb"])
-f0.setMesh(m0) ; f0.setArray(arr)
-f0.setTime(0,0,0)
-f1ts1.setFieldNoProfileSBT(f0)
-f1ts1.write(fname2,0)
-#
-test3=MEDReader(FileName=fname2)
-test3.AllArrays=['TS0/%s/ComSup0/%s@@][@@P0'%(mName,fieldName0),'TS0/%s/ComSup0/%s@@][@@P1'%(mName,fieldName1)]
-test3.AllTimeSteps = ['0000']
-SaveData(fname3,proxy=test3,WriteAllTimeSteps=1)
-### test content of fname3
-mfd2=ml.MEDFileData(fname3)
-mm2=mfd2.getMeshes()[0]
-c1=mm2.getCoords()
-assert(c.isEqualWithoutConsideringStr(c1[:,:2],1e-12))
-fs2=ml.MEDFileFields(fname3)
-assert(len(fs2)==2)
-assert(mm2.getSpaceDimension()==3) ; assert(mm2.getCoords()[:,2].isUniform(0.,0.))
-m2_0=mm2[0].deepCopy() ; m2_0.changeSpaceDimension(2,0.) ; m2_0.getCoords().setInfoOnComponents(mm[0].getCoords().getInfoOnComponents())
-assert(m2_0.isEqual(mm[0],1e-12))
-m2_1=mm2[-1].deepCopy() ; m2_1.changeSpaceDimension(2,0.) ; m2_1.getCoords().setInfoOnComponents(mm[0].getCoords().getInfoOnComponents())
-assert(m2_1.isEqual(mm[-1],1e-12))
-f2_0=mfd2.getFields()[fieldName0][0].getFieldOnMeshAtLevel(ml.ON_CELLS,0,mm2) ; f2_0.setMesh(m2_0)
-assert(f1ts0.getFieldOnMeshAtLevel(ml.ON_CELLS,0,mm).isEqual(f2_0,1e-12,1e-12))
-f2_1=mfd2.getFields()[fieldName1][0].getFieldOnMeshAtLevel(ml.ON_NODES,0,mm2) ; f2_1.setMesh(m2_0)
-assert(f1ts1.getFieldOnMeshAtLevel(ml.ON_NODES,0,mm).isEqual(f2_1,1e-12,1e-12))
-assert(mm2.getGroupsNames()==('gr0','gr1','gr2'))
-assert(mm2.getFamiliesOnGroup("gr0")==("Fam3",))
-assert(mm2.getFamiliesOnGroup("gr1")==("Fam5",))
-assert(mm2.getFamiliesOnGroup("gr2")==("Fam3","Fam5"))
-assert(mm2.getFamiliesNames()==('FAMILLE_ZERO','Fam3','Fam5'))
-assert([mm2.getFamilyId(elt) for elt in ['FAMILLE_ZERO','Fam3','Fam5']]==[0,3,7])
-assert(mm2.getFamilyFieldAtLevel(0).isEqual(mm.getFamilyFieldAtLevel(0)))
-assert(mm2.getFamilyFieldAtLevel(-1).isEqual(mm.getFamilyFieldAtLevel(-1)))
-assert(mm2.getFamilyFieldAtLevel(1).isEqual(mm.getFamilyFieldAtLevel(1)))
-# Write a polydata mesh
-mergeBlocks1 = MergeBlocks(Input=test3)
-extractSurface1 = ExtractSurface(Input=mergeBlocks1)
-SaveData(fname4_vtp,proxy=extractSurface1)
-test4vtp = XMLPolyDataReader(FileName=[fname4_vtp])
-test4vtp.CellArrayStatus = ['F0', 'FamilyIdCell']
-SaveData(fname5,proxy=test4vtp,WriteAllTimeSteps=1)
-### test content of fname5
-mfd5=ml.MEDFileData(fname5)
-m5=mfd5.getMeshes()[0][0].deepCopy()
-assert(m5.getSpaceDimension()==3) # 
-m5.setName(mm.getName()) ; m5.changeSpaceDimension(2,0.) ; m5.getCoords().setInfoOnComponents(mm[0].getCoords().getInfoOnComponents())
-bary5=m5.computeCellCenterOfMass()
-bary=mm[0].computeCellCenterOfMass()
-a,b=bary5.areIncludedInMe(bary,1e-12) ; assert(a)
-a,c=mm[0].getCoords().areIncludedInMe(m5.getCoords(),1e-12) ; assert(a)
-m5.renumberNodes(c,len(c))#c.invertArrayO2N2N2O(len(c)))
-assert(m5.unPolyze())
-assert(m5.getCoords().isEqual(mm[0].getCoords(),1e-12))
-assert(m5.isEqual(mm[0],1e-12))
-f5_0=mfd5.getFields()[fieldName0][0].getFieldOnMeshAtLevel(ml.ON_CELLS,0,mfd5.getMeshes()[0]) ; f5_0.setMesh(m5)
-assert(f1ts0.getFieldOnMeshAtLevel(ml.ON_CELLS,0,mm).isEqual(f5_0,1e-12,1e-12))
-f5_1=mfd5.getFields()[fieldName1][0].getFieldOnMeshAtLevel(ml.ON_NODES,0,mfd5.getMeshes()[0]) ; f5_1.setMesh(m5)
-f5_1.setArray(f5_1.getArray()[c.invertArrayO2N2N2O(len(c))])
-assert(f1ts1.getFieldOnMeshAtLevel(ml.ON_NODES,0,mm).isEqual(f5_1,1e-12,1e-12))
-
-### test with a non geo types non sorted
-
-c=ml.DataArrayDouble([0.,0.,1.,1.,2.,2.,1.,0.,2.,0.,0.,2.,1.,2.,0.,1.,2.,1.],9,2)
-c.setInfoOnComponents(["X abc","Y defg"])
-m6=ml.MEDCouplingUMesh(mName,2) ; m6.allocateCells() ; m6.setCoords(c)
-m6.insertNextCell(ml.NORM_TRI3,[3,1,4])
-m6.insertNextCell(ml.NORM_QUAD4,[0,7,1,3])
-m6.insertNextCell(ml.NORM_TRI3,[1,8,4])
-m6.insertNextCell(ml.NORM_QUAD4,[1,6,2,4])
-m6.insertNextCell(ml.NORM_QUAD4,[7,5,6,1])
-fieldName6="F6"
-f6=ml.MEDCouplingFieldDouble(ml.ON_CELLS) ; f6.setMesh(m6) ; f6.setName(fieldName6)
-f6.setArray(ml.DataArrayDouble([20,21,22,23,24]))
-f6.writeVTK(fname6_vtu)
-test6vtu=XMLUnstructuredGridReader(FileName=[fname6_vtu])
-SaveData(fname6,proxy=test6vtu,WriteAllTimeSteps=1)
-mfd7=ml.MEDFileData(fname6)
-assert(len(mfd7.getMeshes())==1)
-m7=mfd7.getMeshes()[0][0]
-assert(len(mfd7.getFields())==1)
-f7=mfd7.getFields()[0][0].getFieldOnMeshAtLevel(ml.ON_CELLS,0,mfd7.getMeshes()[0])
-assert(f7.getMesh().isEqual(m7,1e-12))
-assert(m7.getCoords()[:,:2].isEqualWithoutConsideringStr(m6.getCoords(),1e-12))
-assert(m7.getNodalConnectivity().isEqual(ml.DataArrayInt([3,3,1,4,3,1,8,4,4,0,7,1,3,4,1,6,2,4,4,7,5,6,1]))) # there is a permutation of cells
-assert(m7.getNodalConnectivityIndex().isEqual(ml.DataArrayInt([0,4,8,13,18,23]))) # there is a permutation of cells
-assert(f7.getArray().isEqual(ml.DataArrayFloat([20,22,21,23,24]),1e-12)) # there is a permutation of cells
-
-### test with polyhedron
-
-m8=ml.MEDCouplingCMesh() ; m8.setCoords(ml.DataArrayDouble([0,1,2,3]),ml.DataArrayDouble([0,1]),ml.DataArrayDouble([0,1]))
-m8=m8.buildUnstructured()
-m8.getCoords().setInfoOnComponents(['X', 'Y', 'Z'])
-m8_0=m8[0] ; m8_0.simplexize(ml.PLANAR_FACE_5)
-m8_1=m8[1:]
-m8_1.convertAllToPoly()
-m8=ml.MEDCouplingUMesh.MergeUMeshesOnSameCoords([m8_0,m8_1])
-m8=m8[[0,5,1,2,6,3,4]]
-fieldName8="F8"
-f8=ml.MEDCouplingFieldDouble(ml.ON_CELLS) ; f8.setMesh(m8) ; f8.setName(fieldName8)
-f8.setArray(ml.DataArrayDouble([20,21,22,23,24,25,26]))
-f8.writeVTK(fname7_vtu)
-test8vtu=XMLUnstructuredGridReader(FileName=[fname7_vtu])
-SaveData(fname7,proxy=test8vtu,WriteAllTimeSteps=1)
-mfd9=ml.MEDFileData(fname7)
-assert(len(mfd9.getMeshes())==1)
-m9=mfd9.getMeshes()[0][0]
-assert(len(mfd9.getFields())==1)
-assert(m9.getCoords().isEqual(m8.getCoords(),1e-12))
-c9=ml.DataArrayInt([0,2,3,5,6,1,4])
-assert(m8[c9].isEqualWithoutConsideringStr(m9,1e-12))
-f9=mfd9.getFields()[0][0].getFieldOnMeshAtLevel(ml.ON_CELLS,0,mfd9.getMeshes()[0])
-f9_array_double = f9.getArray().convertToDblArr() # f9 is MEDCouplingFieldFloat
-assert(f9_array_double.isEqual(f8.getArray()[c9],1e-12))
-
-### test with cartesian
-
-FieldName10="F10"
-FieldName10_n="F10_n"
-m10=ml.MEDCouplingCMesh()
-m10.setCoordsAt(0,ml.DataArrayDouble([0,1,2]))
-m10.setCoordsAt(1,ml.DataArrayDouble([1,2,3,4]))
-m10.setCoordsAt(2,ml.DataArrayDouble([3,5,6,7,8]))
-f10=ml.MEDCouplingFieldDouble(ml.ON_CELLS) ; f10.setMesh(m10)
-f10.setName(FieldName10)
-f10.setArray(ml.DataArrayInt.Range(0,m10.getNumberOfCells(),1).convertToDblArr()) ; f10.checkConsistencyLight()
-f10_n=ml.MEDCouplingFieldDouble(ml.ON_NODES) ; f10_n.setMesh(m10)
-f10_n.setName(FieldName10_n)
-f10_n.setArray(ml.DataArrayInt.Range(0,m10.getNumberOfNodes(),1).convertToDblArr()) ; f10_n.checkConsistencyLight()
-ml.MEDCouplingFieldDouble.WriteVTK(fname8_vtr,[f10,f10_n])
-test10vtr=XMLRectilinearGridReader(FileName=[fname8_vtr])
-SaveData(fname8,proxy=test10vtr,WriteAllTimeSteps=1)
-mfd11=ml.MEDFileData(fname8)
-assert(len(mfd11.getMeshes())==1)
-assert(len(mfd11.getFields())==2)
-mfd11=ml.MEDFileData(fname8)
-m11=mfd11.getMeshes()[0]
-assert(isinstance(m11,ml.MEDFileCMesh))
-f11=mfd11.getFields()[FieldName10][0].getFieldOnMeshAtLevel(ml.ON_CELLS,0,m11)
-f11_n=mfd11.getFields()[FieldName10_n][0].getFieldOnMeshAtLevel(ml.ON_NODES,0,m11)
-f11_array_double = f11.getArray().convertToDblArr() # f11 is MEDCouplingFieldFloat
-assert(f11_array_double.isEqualWithoutConsideringStr(f10.getArray(),1e-12))
-f11_n_array_double = f11_n.getArray().convertToDblArr() # f11_n is MEDCouplingFieldFloat
-assert(f11_n_array_double.isEqualWithoutConsideringStr(f10_n.getArray(),1e-12))
+with tempfile.TemporaryDirectory(prefix="MEDWriter_") as tmpdir:
+    pat=os.path.join(tmpdir, 'testMEDWriter_%i.med')
+    fname0=pat%0
+    fname1=pat%1
+    fname2=pat%2
+    fname3=pat%3
+    fname4=pat%4
+    fname4_vtp=os.path.splitext(pat%4)[0]+".vtp"
+    fname5=pat%5
+    fname6_vtu=os.path.splitext(pat%6)[0]+".vtu"
+    fname6=pat%6
+    fname7_vtu=os.path.splitext(pat%7)[0]+".vtu"
+    fname7=pat%7
+    fname8_vtr=os.path.splitext(pat%8)[0]+".vtr"
+    fname8=pat%8
+
+    ##### First test with a simple sphere
+
+    plane1 = Sphere()
+    SaveData(fname0,proxy=plane1,WriteAllTimeSteps=1)
+    #
+    totomed=MEDReader(FileName=fname0)
+    totomed.AllArrays=['TS1/Mesh/ComSup0/Mesh@@][@@P0']
+    totomed.AllTimeSteps=['0000']
+    SaveData(fname1,proxy=totomed,WriteAllTimeSteps=1)
+    # Sphere has been written. Try to check to write it in MED file !
+    mfd=ml.MEDFileData(fname0)
+    mm=mfd.getMeshes()[0] ; m0=mm[0]
+    area=m0.getMeasureField(True).accumulate()[0]
+    assert(abs(sqrt(area/(4*pi))-0.975/2.)<0.01) # 4*pi*radius**2
+    f=mfd.getFields()[0][0].getFieldOnMeshAtLevel(ml.ON_NODES,0,mm)
+    f_array_double = f.getArray().convertToDblArr() # f is MEDCouplingFieldFloat
+    assert(abs(ml.DataArrayDouble(f_array_double.accumulate(),1,3).magnitude()[0])<1e-12) # sum of all normal vector should be 0
+
+
+    ##### Build a MED file from scratch
+
+    fieldName0="F0"
+    fieldName1="F1"
+    c=ml.DataArrayDouble([0.,0.,1.,1.,2.,2.,1.,0.,2.,0.,0.,2.,1.,2.,0.,1.,2.,1.],9,2)
+    c.setInfoOnComponents(["X abc","Y defg"])
+    #
+    mName="mesh"
+    m0=ml.MEDCouplingUMesh(mName,2) ; m0.allocateCells() ; m0.setCoords(c)
+    m0.insertNextCell(ml.NORM_TRI3,[3,1,4])
+    m0.insertNextCell(ml.NORM_TRI3,[1,8,4])
+    m0.insertNextCell(ml.NORM_QUAD4,[0,7,1,3])
+    m0.insertNextCell(ml.NORM_QUAD4,[1,6,2,4])
+    m0.insertNextCell(ml.NORM_QUAD4,[7,5,6,1])
+    m1=ml.MEDCouplingUMesh(mName,1) ; m1.allocateCells() ; m1.setCoords(c)
+    m1.insertNextCell(ml.NORM_SEG2,[0,7])
+    m1.insertNextCell(ml.NORM_SEG2,[7,5])
+    m1.insertNextCell(ml.NORM_SEG2,[5,6])
+    mm=ml.MEDFileUMesh() ; mm[0]=m0 ; mm[-1]=m1
+    mm.setFamilyFieldArr(1,ml.DataArrayInt([200,201,202,203,204,205,206,207,208]))
+    mm.setFamilyFieldArr(0,ml.DataArrayInt([100,101,102,103,104]))
+    mm.setFamilyFieldArr(-1,ml.DataArrayInt([105,106,107]))
+    mm.setFamilyId("Fam3",3) ; mm.setFamilyId("Fam5",7)
+    mm.setFamiliesOnGroup("gr0",["Fam3"])
+    mm.setFamiliesOnGroup("gr1",["Fam5"])
+    mm.setFamiliesOnGroup("gr2",["Fam3","Fam5"])
+    mm.write(fname2,2)
+    #
+    f1ts0=ml.MEDFileField1TS()
+    f0=ml.MEDCouplingFieldDouble(ml.ON_CELLS) ; f0.setName(fieldName0)
+    f0.setMesh(m0) ; f0.setArray(ml.DataArrayDouble([8,7,6,5,4]))
+    f1ts0.setFieldNoProfileSBT(f0)
+    f0=ml.MEDCouplingFieldDouble(ml.ON_CELLS) ; f0.setName(fieldName0)
+    f0.setMesh(m1) ; f0.setArray(ml.DataArrayDouble([3,2,1]))
+    f0.setTime(0,0,0)
+    f1ts0.setFieldNoProfileSBT(f0)
+    f1ts0.write(fname2,0)
+    #
+    f1ts1=ml.MEDFileField1TS()
+    f0=ml.MEDCouplingFieldDouble(ml.ON_NODES) ; f0.setName(fieldName1)
+    arr=ml.DataArrayDouble([9,109,8,108,7,107,6,106,5,105,4,104,3,103,2,102,1,101],9,2)
+    arr.setInfoOnComponents(["aa","bbb"])
+    f0.setMesh(m0) ; f0.setArray(arr)
+    f0.setTime(0,0,0)
+    f1ts1.setFieldNoProfileSBT(f0)
+    f1ts1.write(fname2,0)
+    #
+    test3=MEDReader(FileName=fname2)
+    test3.AllArrays=['TS0/%s/ComSup0/%s@@][@@P0'%(mName,fieldName0),'TS0/%s/ComSup0/%s@@][@@P1'%(mName,fieldName1)]
+    test3.AllTimeSteps = ['0000']
+    SaveData(fname3,proxy=test3,WriteAllTimeSteps=1)
+    ### test content of fname3
+    mfd2=ml.MEDFileData(fname3)
+    mm2=mfd2.getMeshes()[0]
+    c1=mm2.getCoords()
+    assert(c.isEqualWithoutConsideringStr(c1[:,:2],1e-12))
+    fs2=ml.MEDFileFields(fname3)
+    assert(len(fs2)==2)
+    assert(mm2.getSpaceDimension()==3) ; assert(mm2.getCoords()[:,2].isUniform(0.,0.))
+    m2_0=mm2[0].deepCopy() ; m2_0.changeSpaceDimension(2,0.) ; m2_0.getCoords().setInfoOnComponents(mm[0].getCoords().getInfoOnComponents())
+    assert(m2_0.isEqual(mm[0],1e-12))
+    m2_1=mm2[-1].deepCopy() ; m2_1.changeSpaceDimension(2,0.) ; m2_1.getCoords().setInfoOnComponents(mm[0].getCoords().getInfoOnComponents())
+    assert(m2_1.isEqual(mm[-1],1e-12))
+    f2_0=mfd2.getFields()[fieldName0][0].getFieldOnMeshAtLevel(ml.ON_CELLS,0,mm2) ; f2_0.setMesh(m2_0)
+    assert(f1ts0.getFieldOnMeshAtLevel(ml.ON_CELLS,0,mm).isEqual(f2_0,1e-12,1e-12))
+    f2_1=mfd2.getFields()[fieldName1][0].getFieldOnMeshAtLevel(ml.ON_NODES,0,mm2) ; f2_1.setMesh(m2_0)
+    assert(f1ts1.getFieldOnMeshAtLevel(ml.ON_NODES,0,mm).isEqual(f2_1,1e-12,1e-12))
+    assert(mm2.getGroupsNames()==('gr0','gr1','gr2'))
+    assert(mm2.getFamiliesOnGroup("gr0")==("Fam3",))
+    assert(mm2.getFamiliesOnGroup("gr1")==("Fam5",))
+    assert(mm2.getFamiliesOnGroup("gr2")==("Fam3","Fam5"))
+    assert(mm2.getFamiliesNames()==('FAMILLE_ZERO','Fam3','Fam5'))
+    assert([mm2.getFamilyId(elt) for elt in ['FAMILLE_ZERO','Fam3','Fam5']]==[0,3,7])
+    assert(mm2.getFamilyFieldAtLevel(0).isEqual(mm.getFamilyFieldAtLevel(0)))
+    assert(mm2.getFamilyFieldAtLevel(-1).isEqual(mm.getFamilyFieldAtLevel(-1)))
+    assert(mm2.getFamilyFieldAtLevel(1).isEqual(mm.getFamilyFieldAtLevel(1)))
+    # Write a polydata mesh
+    mergeBlocks1 = MergeBlocks(Input=test3)
+    extractSurface1 = ExtractSurface(Input=mergeBlocks1)
+    SaveData(fname4_vtp,proxy=extractSurface1)
+    test4vtp = XMLPolyDataReader(FileName=[fname4_vtp])
+    test4vtp.CellArrayStatus = ['F0', 'FamilyIdCell']
+    SaveData(fname5,proxy=test4vtp,WriteAllTimeSteps=1)
+    ### test content of fname5
+    mfd5=ml.MEDFileData(fname5)
+    m5=mfd5.getMeshes()[0][0].deepCopy()
+    assert(m5.getSpaceDimension()==3) # 
+    m5.setName(mm.getName()) ; m5.changeSpaceDimension(2,0.) ; m5.getCoords().setInfoOnComponents(mm[0].getCoords().getInfoOnComponents())
+    bary5=m5.computeCellCenterOfMass()
+    bary=mm[0].computeCellCenterOfMass()
+    a,b=bary5.areIncludedInMe(bary,1e-12) ; assert(a)
+    a,c=mm[0].getCoords().areIncludedInMe(m5.getCoords(),1e-12) ; assert(a)
+    m5.renumberNodes(c,len(c))#c.invertArrayO2N2N2O(len(c)))
+    assert(m5.unPolyze())
+    assert(m5.getCoords().isEqual(mm[0].getCoords(),1e-12))
+    assert(m5.isEqual(mm[0],1e-12))
+    f5_0=mfd5.getFields()[fieldName0][0].getFieldOnMeshAtLevel(ml.ON_CELLS,0,mfd5.getMeshes()[0]) ; f5_0.setMesh(m5)
+    assert(f1ts0.getFieldOnMeshAtLevel(ml.ON_CELLS,0,mm).isEqual(f5_0,1e-12,1e-12))
+    f5_1=mfd5.getFields()[fieldName1][0].getFieldOnMeshAtLevel(ml.ON_NODES,0,mfd5.getMeshes()[0]) ; f5_1.setMesh(m5)
+    f5_1.setArray(f5_1.getArray()[c.invertArrayO2N2N2O(len(c))])
+    assert(f1ts1.getFieldOnMeshAtLevel(ml.ON_NODES,0,mm).isEqual(f5_1,1e-12,1e-12))
+
+    ### test with a non geo types non sorted
+
+    c=ml.DataArrayDouble([0.,0.,1.,1.,2.,2.,1.,0.,2.,0.,0.,2.,1.,2.,0.,1.,2.,1.],9,2)
+    c.setInfoOnComponents(["X abc","Y defg"])
+    m6=ml.MEDCouplingUMesh(mName,2) ; m6.allocateCells() ; m6.setCoords(c)
+    m6.insertNextCell(ml.NORM_TRI3,[3,1,4])
+    m6.insertNextCell(ml.NORM_QUAD4,[0,7,1,3])
+    m6.insertNextCell(ml.NORM_TRI3,[1,8,4])
+    m6.insertNextCell(ml.NORM_QUAD4,[1,6,2,4])
+    m6.insertNextCell(ml.NORM_QUAD4,[7,5,6,1])
+    fieldName6="F6"
+    f6=ml.MEDCouplingFieldDouble(ml.ON_CELLS) ; f6.setMesh(m6) ; f6.setName(fieldName6)
+    f6.setArray(ml.DataArrayDouble([20,21,22,23,24]))
+    f6.writeVTK(fname6_vtu)
+    test6vtu=XMLUnstructuredGridReader(FileName=[fname6_vtu])
+    SaveData(fname6,proxy=test6vtu,WriteAllTimeSteps=1)
+    mfd7=ml.MEDFileData(fname6)
+    assert(len(mfd7.getMeshes())==1)
+    m7=mfd7.getMeshes()[0][0]
+    assert(len(mfd7.getFields())==1)
+    f7=mfd7.getFields()[0][0].getFieldOnMeshAtLevel(ml.ON_CELLS,0,mfd7.getMeshes()[0])
+    assert(f7.getMesh().isEqual(m7,1e-12))
+    assert(m7.getCoords()[:,:2].isEqualWithoutConsideringStr(m6.getCoords(),1e-12))
+    assert(m7.getNodalConnectivity().isEqual(ml.DataArrayInt([3,3,1,4,3,1,8,4,4,0,7,1,3,4,1,6,2,4,4,7,5,6,1]))) # there is a permutation of cells
+    assert(m7.getNodalConnectivityIndex().isEqual(ml.DataArrayInt([0,4,8,13,18,23]))) # there is a permutation of cells
+    assert(f7.getArray().isEqual(ml.DataArrayFloat([20,22,21,23,24]),1e-12)) # there is a permutation of cells
+
+    ### test with polyhedron
+
+    m8=ml.MEDCouplingCMesh() ; m8.setCoords(ml.DataArrayDouble([0,1,2,3]),ml.DataArrayDouble([0,1]),ml.DataArrayDouble([0,1]))
+    m8=m8.buildUnstructured()
+    m8.getCoords().setInfoOnComponents(['X', 'Y', 'Z'])
+    m8_0=m8[0] ; m8_0.simplexize(ml.PLANAR_FACE_5)
+    m8_1=m8[1:]
+    m8_1.convertAllToPoly()
+    m8=ml.MEDCouplingUMesh.MergeUMeshesOnSameCoords([m8_0,m8_1])
+    m8=m8[[0,5,1,2,6,3,4]]
+    fieldName8="F8"
+    f8=ml.MEDCouplingFieldDouble(ml.ON_CELLS) ; f8.setMesh(m8) ; f8.setName(fieldName8)
+    f8.setArray(ml.DataArrayDouble([20,21,22,23,24,25,26]))
+    f8.writeVTK(fname7_vtu)
+    test8vtu=XMLUnstructuredGridReader(FileName=[fname7_vtu])
+    SaveData(fname7,proxy=test8vtu,WriteAllTimeSteps=1)
+    mfd9=ml.MEDFileData(fname7)
+    assert(len(mfd9.getMeshes())==1)
+    m9=mfd9.getMeshes()[0][0]
+    assert(len(mfd9.getFields())==1)
+    assert(m9.getCoords().isEqual(m8.getCoords(),1e-12))
+    c9=ml.DataArrayInt([0,2,3,5,6,1,4])
+    assert(m8[c9].isEqualWithoutConsideringStr(m9,1e-12))
+    f9=mfd9.getFields()[0][0].getFieldOnMeshAtLevel(ml.ON_CELLS,0,mfd9.getMeshes()[0])
+    f9_array_double = f9.getArray().convertToDblArr() # f9 is MEDCouplingFieldFloat
+    assert(f9_array_double.isEqual(f8.getArray()[c9],1e-12))
+
+    ### test with cartesian
+
+    FieldName10="F10"
+    FieldName10_n="F10_n"
+    m10=ml.MEDCouplingCMesh()
+    m10.setCoordsAt(0,ml.DataArrayDouble([0,1,2]))
+    m10.setCoordsAt(1,ml.DataArrayDouble([1,2,3,4]))
+    m10.setCoordsAt(2,ml.DataArrayDouble([3,5,6,7,8]))
+    f10=ml.MEDCouplingFieldDouble(ml.ON_CELLS) ; f10.setMesh(m10)
+    f10.setName(FieldName10)
+    f10.setArray(ml.DataArrayInt.Range(0,m10.getNumberOfCells(),1).convertToDblArr()) ; f10.checkConsistencyLight()
+    f10_n=ml.MEDCouplingFieldDouble(ml.ON_NODES) ; f10_n.setMesh(m10)
+    f10_n.setName(FieldName10_n)
+    f10_n.setArray(ml.DataArrayInt.Range(0,m10.getNumberOfNodes(),1).convertToDblArr()) ; f10_n.checkConsistencyLight()
+    ml.MEDCouplingFieldDouble.WriteVTK(fname8_vtr,[f10,f10_n])
+    test10vtr=XMLRectilinearGridReader(FileName=[fname8_vtr])
+    SaveData(fname8,proxy=test10vtr,WriteAllTimeSteps=1)
+    mfd11=ml.MEDFileData(fname8)
+    assert(len(mfd11.getMeshes())==1)
+    assert(len(mfd11.getFields())==2)
+    mfd11=ml.MEDFileData(fname8)
+    m11=mfd11.getMeshes()[0]
+    assert(isinstance(m11,ml.MEDFileCMesh))
+    f11=mfd11.getFields()[FieldName10][0].getFieldOnMeshAtLevel(ml.ON_CELLS,0,m11)
+    f11_n=mfd11.getFields()[FieldName10_n][0].getFieldOnMeshAtLevel(ml.ON_NODES,0,m11)
+    f11_array_double = f11.getArray().convertToDblArr() # f11 is MEDCouplingFieldFloat
+    assert(f11_array_double.isEqualWithoutConsideringStr(f10.getArray(),1e-12))
+    f11_n_array_double = f11_n.getArray().convertToDblArr() # f11_n is MEDCouplingFieldFloat
+    assert(f11_n_array_double.isEqualWithoutConsideringStr(f10_n.getArray(),1e-12))