src/Plugins/MEDReader/Test/testMEDReader16.py

   1 #  -*- coding: iso-8859-1 -*-
   2 # Copyright (C) 2007-2016  CEA/DEN, EDF R&D
   3 #
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  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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  12 # Lesser General Public License for more details.
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  15 # License along with this library; if not, write to the Free Software
  16 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  17 #
  18 # See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  19 #
  20 # Author : Anthony Geay (EDF R&D)
  21
  22 from MEDLoader import *
  23
  24 """ This test is a non regression test of EDF8662 : This bug revealed that ELNOMesh and ELNOPoints do not behave correctly after the call of ExtractGroup"""
  25
  26 fname="testMEDReader16.med"
  27
  28 arr=DataArrayDouble([0,1,2])
  29 m=MEDCouplingCMesh() ; m.setCoords(arr,arr) ; m=m.buildUnstructured() ; m.setName("Mesh")
  30 mm=MEDFileUMesh() ; mm.setMeshAtLevel(0,m)
  31 grp0=DataArrayInt([0,1]) ; grp0.setName("grp0")
  32 grp1=DataArrayInt([2,3]) ; grp1.setName("grp1")
  33 grp2=DataArrayInt([1,2]) ; grp2.setName("grp2")
  34 grp3=DataArrayInt([0,1,2,3]) ; grp3.setName("grp3")
  35 mm.setGroupsAtLevel(0,[grp0,grp1,grp2,grp3])
  36 f=MEDCouplingFieldDouble(ON_GAUSS_NE) ; f.setMesh(m) ; f.setName("MyField") ; f.setTime(0.,0,0)
  37 arr2=DataArrayDouble(4*4*2) ; arr2.iota() ; arr2.rearrange(2) ; arr2.setInfoOnComponents(["aa","bbb"])
  38 f.setArray(arr2) ; arr2+=0.1 ; f.checkConsistencyLight()
  39 mm.write(fname,2)
  40 WriteFieldUsingAlreadyWrittenMesh(fname,f)
  41 #
  42 from paraview.simple import *
  43 from paraview import servermanager
  44
  45 paraview.simple._DisableFirstRenderCameraReset()
  46 reader=MEDReader(FileName=fname)
  47 ExpectedEntries=['TS0/Mesh/ComSup0/MyField@@][@@GSSNE','TS1/Mesh/ComSup0/Mesh@@][@@P0']
  48 assert(reader.GetProperty("FieldsTreeInfo")[::2]==ExpectedEntries)
  49 reader.AllArrays=['TS0/Mesh/ComSup0/MyField@@][@@GSSNE']
  50 ExtractGroup1 = ExtractGroup(Input=reader)
  51 ExtractGroup1.UpdatePipelineInformation()
  52 ExtractGroup1.AllGroups=["GRP_grp1"]
  53 ELNOMesh1=ELNOMesh(Input=ExtractGroup1)
  54 ELNOPoints1=ELNOPoints(Input=ExtractGroup1)
  55 ELNOPoints1.SelectSourceArray=['ELNO@MyField']
  56 for elt in [ELNOMesh1,ELNOPoints1]:
  57     elnoMesh=servermanager.Fetch(ELNOPoints1,0)
  58     vtkArrToTest=elnoMesh.GetBlock(0).GetPointData().GetArray("MyField")
  59     assert(vtkArrToTest.GetNumberOfTuples()==8)
  60     assert(vtkArrToTest.GetNumberOfComponents()==2)
  61     assert(vtkArrToTest.GetComponentName(0)==arr2.getInfoOnComponent(0))
  62     assert(vtkArrToTest.GetComponentName(1)==arr2.getInfoOnComponent(1))
  63     vals=[vtkArrToTest.GetValue(i) for i in xrange(16)]
  64     assert(arr2[8:].isEqualWithoutConsideringStr(DataArrayDouble(vals,8,2),1e-12))
  65     pass
  66 #
  67 ExtractGroup1.AllGroups=["GRP_grp2"]
  68 for elt in [ELNOMesh1,ELNOPoints1]:
  69     elnoMesh=servermanager.Fetch(ELNOMesh1)
  70     vtkArrToTest=elnoMesh.GetBlock(0).GetPointData().GetArray("MyField")
  71     assert(vtkArrToTest.GetNumberOfTuples()==8)
  72     assert(vtkArrToTest.GetNumberOfComponents()==2)
  73     assert(vtkArrToTest.GetComponentName(0)==arr2.getInfoOnComponent(0))
  74     assert(vtkArrToTest.GetComponentName(1)==arr2.getInfoOnComponent(1))
  75     vals=[vtkArrToTest.GetValue(i) for i in xrange(16)]
  76     assert(arr2[4:12].isEqualWithoutConsideringStr(DataArrayDouble(vals,8,2),1e-12))
  77     pass
  78 # important to check that if all the field is present that it is OK (check of the optimization)
  79 ExtractGroup1.AllGroups=["GRP_grp3"]
  80 for elt in [ELNOMesh1,ELNOPoints1]:
  81     elnoMesh=servermanager.Fetch(ELNOMesh1)
  82     vtkArrToTest=elnoMesh.GetBlock(0).GetPointData().GetArray("MyField")
  83     assert(vtkArrToTest.GetNumberOfTuples()==16)
  84     assert(vtkArrToTest.GetNumberOfComponents()==2)
  85     assert(vtkArrToTest.GetComponentName(0)==arr2.getInfoOnComponent(0))
  86     assert(vtkArrToTest.GetComponentName(1)==arr2.getInfoOnComponent(1))
  87     vals=[vtkArrToTest.GetValue(i) for i in xrange(32)]
  88     assert(arr2.isEqualWithoutConsideringStr(DataArrayDouble(vals,16,2),1e-12))
  89     pass
  90 ELNOMesh1=ELNOMesh(Input=reader)
  91 ELNOPoints1=ELNOPoints(Input=reader)
  92 ELNOPoints1.SelectSourceArray=['ELNO@MyField']
  93 for elt in [ELNOMesh1,ELNOPoints1]:
  94     elnoMesh=servermanager.Fetch(ELNOMesh1)
  95     vtkArrToTest=elnoMesh.GetBlock(0).GetPointData().GetArray("MyField")
  96     assert(vtkArrToTest.GetNumberOfTuples()==16)
  97     assert(vtkArrToTest.GetNumberOfComponents()==2)
  98     assert(vtkArrToTest.GetComponentName(0)==arr2.getInfoOnComponent(0))
  99     assert(vtkArrToTest.GetComponentName(1)==arr2.getInfoOnComponent(1))
 100     vals=[vtkArrToTest.GetValue(i) for i in xrange(32)]
 101     assert(arr2.isEqualWithoutConsideringStr(DataArrayDouble(vals,16,2),1e-12))
 102     pass