src/Plugins/MEDReader/Test/testMEDReader7.py

   1 #  -*- coding: iso-8859-1 -*-
   2 # Copyright (C) 2007-2019  CEA/DEN, EDF R&D
   3 #
   4 # This library is free software; you can redistribute it and/or
   5 # modify it under the terms of the GNU Lesser General Public
   6 # License as published by the Free Software Foundation; either
   7 # version 2.1 of the License, or (at your option) any later version.
   8 #
   9 # This library is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12 # Lesser General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU Lesser General Public
  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
  21
  22 import os
  23 import sys
  24
  25 from MEDLoader import *
  26
  27 """ This test generate a simple multi time field with a very aggressive time steps triplets. Neither dt, nor iteration nor order is considered.
  28 In this case only the rank is considered.
  29 """
  30
  31 fname="testMEDReader7.med"
  32 outImgName="testMEDReader7.png"
  33 #########
  34 arr=DataArrayDouble([(0,0,0),(1,0,0),(2,0,0),(3,0,0),(0,1,0),(1,1,0),(2,1,0),(3,1,0),(0,2,0),(1,2,0),(2,2,0),(3,2,0),(0,3,0),(1,3,0),(2,3,0),(3,3,0)])
  35 m0=MEDCouplingUMesh("mesh",2) ; m0.setCoords(arr) ; m0.allocateCells()
  36 for elt in [[2,3,6],[3,7,6],[6,9,5],[6,10,9]]:
  37     m0.insertNextCell(NORM_TRI3,elt)
  38     pass
  39 for elt in [[0,4,5,1],[5,6,2,1],[4,8,9,5],[6,10,11,7],[8,12,13,9],[9,13,14,10],[10,14,15,11]]:
  40     m0.insertNextCell(NORM_QUAD4,elt)
  41     pass
  42 mm=MEDFileUMesh()
  43 mm.setMeshAtLevel(0,m0)
  44 grp0=DataArrayInt([0,1,4,5,7,10]) ; grp0.setName("grp0")
  45 mm.setGroupsAtLevel(0,[grp0])
  46 fmts=MEDFileFieldMultiTS()
  47 #
  48 fNode=MEDCouplingFieldDouble(ON_NODES) ; fNode.setName("fNode")
  49 fNode.setMesh(m0)
  50 fNode.setArray(DataArrayDouble([3,2,1,0,3.16,2.23,1.41,1,3.6,2.82,2.23,2,4.24,3.6,3.16,3]))
  51 fNode.getArray().setInfoOnComponent(0,"C0")
  52 fNode.setTime(0.5,1,1)
  53 f1ts=MEDFileField1TS() ; f1ts.setFieldNoProfileSBT(fNode) ; fmts.pushBackTimeStep(f1ts)
  54 #
  55 fNode.getArray().reverse()
  56 fNode.setTime(0.5,1,2)
  57 f1ts=MEDFileField1TS() ; f1ts.setFieldNoProfileSBT(fNode) ; fmts.pushBackTimeStep(f1ts)
  58 #
  59 fNode.getArray().reverse()
  60 fNode.setTime(0.5,2,1)
  61 f1ts=MEDFileField1TS() ; f1ts.setFieldNoProfileSBT(fNode) ; fmts.pushBackTimeStep(f1ts)
  62 #
  63 fNode.getArray().reverse()
  64 fNode.setTime(0.5,2,2)
  65 f1ts=MEDFileField1TS() ; f1ts.setFieldNoProfileSBT(fNode) ; fmts.pushBackTimeStep(f1ts)
  66 #
  67 mm.write(fname,2)
  68 fmts.write(fname,0)
  69 ################### MED write is done -> Go to MEDReader
  70 from paraview.simple import *
  71
  72 myMedReader=MEDReader(FileName=fname)
  73 myMedReader.AllArrays = ['TS0/mesh/ComSup0/fNode@@][@@P1']
  74 assert(list(myMedReader.TimestepValues)==[0.,1.,2.,3.])
  75
  76 if '-D' not in sys.argv:
  77     RenderView1 = GetRenderView()
  78     RenderView1.CameraFocalPoint = [1.5, 1.5, 0.0]
  79     RenderView1.CameraPosition = [1.5, 1.5, 10000.0]
  80     RenderView1.InteractionMode = '3D'
  81     RenderView1.CameraPosition = [1.5, 1.5, 8.196152422706632]
  82     RenderView1.CameraParallelScale = 2.1213203435596424
  83     RenderView1.CenterOfRotation = [1.5, 1.5, 0.0]
  84
  85     DataRepresentation4 = Show()
  86     DataRepresentation4.EdgeColor = [0.0, 0.0, 0.5000076295109483]
  87     DataRepresentation4.SelectionPointFieldDataArrayName = 'fNode'
  88     DataRepresentation4.ScaleFactor = 0.3182729169726372
  89
  90     a1_fGauss_PVLookupTable = GetLookupTableForArray( "fNode", 1, RGBPoints=[0.22, 0.23, 0.299, 0.754, 2.95, 0.706, 0.016, 0.15], VectorMode='Magnitude', NanColor=[0.25, 0.0, 0.0], ColorSpace='Diverging', ScalarRangeInitialized=1.0, AllowDuplicateScalars=1 )
  91     a1_fGauss_PiecewiseFunction = CreatePiecewiseFunction( Points=[0.0, 0.0, 0.5, 0.0, 1.0, 1.0, 0.5, 0.0] )
  92     DataRepresentation4.ColorArrayName = 'fNode'
  93     DataRepresentation4.LookupTable = a1_fGauss_PVLookupTable
  94     a1_fGauss_PVLookupTable.ScalarOpacityFunction = a1_fGauss_PiecewiseFunction
  95
  96     RenderView1.ViewTime = 1.0 #### Important # red is in right bottom
  97     RenderView1.CacheKey = 1.0
  98     RenderView1.UseCache = 1
  99     RenderView1.ViewSize=[300,300]
 100     Render()
 101
 102     # compare with baseline image
 103     try:
 104       baselineIndex = sys.argv.index('-B')+1
 105       baselinePath = sys.argv[baselineIndex]
 106     except:
 107       print("Could not get baseline directory. Test failed.")
 108       exit(1)
 109     baseline_file = os.path.join(baselinePath, "testMEDReader7.png")
 110     import vtk.test.Testing
 111     from vtk.util.misc import vtkGetTempDir
 112     vtk.test.Testing.VTK_TEMP_DIR = vtk.util.misc.vtkGetTempDir()
 113     vtk.test.Testing.compareImage(GetActiveView().GetRenderWindow(), baseline_file,
 114                                                                 threshold=6)
 115     vtk.test.Testing.interact()