src/Plugins/MEDReader/plugin/Test/testMEDReader7.py

   1 #  -*- coding: iso-8859-1 -*-
   2 # Copyright (C) 2007-2022  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
  26 from medcoupling import *
  27 from paraview.simple import *
  28 from MEDReaderHelper import WriteInTmpDir,RetriveBaseLine
  29
  30 def GenerateCase():
  31     """ This test generate a simple multi time field with a very aggressive time steps triplets. Neither dt, nor iteration nor order is considered.
  32     In this case only the rank is considered.
  33     """
  34     fname="testMEDReader7.med"
  35     #########
  36     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)])
  37     m0=MEDCouplingUMesh("mesh",2) ; m0.setCoords(arr) ; m0.allocateCells()
  38     for elt in [[2,3,6],[3,7,6],[6,9,5],[6,10,9]]:
  39         m0.insertNextCell(NORM_TRI3,elt)
  40         pass
  41     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]]:
  42         m0.insertNextCell(NORM_QUAD4,elt)
  43         pass
  44     mm=MEDFileUMesh()
  45     mm.setMeshAtLevel(0,m0)
  46     grp0=DataArrayInt([0,1,4,5,7,10]) ; grp0.setName("grp0")
  47     mm.setGroupsAtLevel(0,[grp0])
  48     fmts=MEDFileFieldMultiTS()
  49     #
  50     fNode=MEDCouplingFieldDouble(ON_NODES) ; fNode.setName("fNode")
  51     fNode.setMesh(m0)
  52     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]))
  53     fNode.getArray().setInfoOnComponent(0,"C0")
  54     fNode.setTime(0.5,1,1)
  55     f1ts=MEDFileField1TS() ; f1ts.setFieldNoProfileSBT(fNode) ; fmts.pushBackTimeStep(f1ts)
  56     #
  57     fNode.getArray().reverse()
  58     fNode.setTime(0.5,1,2)
  59     f1ts=MEDFileField1TS() ; f1ts.setFieldNoProfileSBT(fNode) ; fmts.pushBackTimeStep(f1ts)
  60     #
  61     fNode.getArray().reverse()
  62     fNode.setTime(0.5,2,1)
  63     f1ts=MEDFileField1TS() ; f1ts.setFieldNoProfileSBT(fNode) ; fmts.pushBackTimeStep(f1ts)
  64     #
  65     fNode.getArray().reverse()
  66     fNode.setTime(0.5,2,2)
  67     f1ts=MEDFileField1TS() ; f1ts.setFieldNoProfileSBT(fNode) ; fmts.pushBackTimeStep(f1ts)
  68     #
  69     mm.write(fname,2)
  70     fmts.write(fname,0)
  71     return fname
  72
  73
  74 @WriteInTmpDir
  75 def test(baseline_file):
  76     fname = GenerateCase()
  77     ################### MED write is done -> Go to MEDReader
  78     myMedReader=MEDReader(FileName=fname)
  79     myMedReader.AllArrays = ['TS0/mesh/ComSup0/fNode@@][@@P1']
  80     assert(list(myMedReader.TimestepValues)==[0.,1.,2.,3.])
  81
  82     if '-D' not in sys.argv:
  83         RenderView1 = GetRenderView()
  84         RenderView1.CameraFocalPoint = [1.5, 1.5, 0.0]
  85         RenderView1.CameraPosition = [1.5, 1.5, 10000.0]
  86         RenderView1.InteractionMode = '3D'
  87         RenderView1.CameraPosition = [1.5, 1.5, 8.196152422706632]
  88         RenderView1.CameraParallelScale = 2.1213203435596424
  89         RenderView1.CenterOfRotation = [1.5, 1.5, 0.0]
  90
  91         DataRepresentation4 = Show()
  92         DataRepresentation4.EdgeColor = [0.0, 0.0, 0.5000076295109483]
  93         DataRepresentation4.SelectionPointFieldDataArrayName = 'fNode'
  94         DataRepresentation4.ScaleFactor = 0.3182729169726372
  95
  96         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 )
  97         a1_fGauss_PiecewiseFunction = CreatePiecewiseFunction( Points=[0.0, 0.0, 0.5, 0.0, 1.0, 1.0, 0.5, 0.0] )
  98         DataRepresentation4.ColorArrayName = 'fNode'
  99         DataRepresentation4.LookupTable = a1_fGauss_PVLookupTable
 100         a1_fGauss_PVLookupTable.ScalarOpacityFunction = a1_fGauss_PiecewiseFunction
 101
 102         RenderView1.ViewTime = 1.0 #### Important # red is in right bottom
 103         RenderView1.CacheKey = 1.0
 104         RenderView1.UseCache = 1
 105         RenderView1.ViewSize=[300,300]
 106         Render()
 107
 108         # compare with baseline image
 109         import vtk.test.Testing
 110         from vtk.util.misc import vtkGetTempDir
 111         vtk.test.Testing.VTK_TEMP_DIR = vtk.util.misc.vtkGetTempDir()
 112         vtk.test.Testing.compareImage(GetActiveView().GetRenderWindow(), baseline_file,
 113                                                                     threshold=6)
 114         vtk.test.Testing.interact()
 115
 116 if __name__ == "__main__":
 117   outImgName="testMEDReader7.png"
 118   baseline_file = RetriveBaseLine(outImgName)
 119   test(baseline_file)
 120   pass