--- /dev/null
+# -*- coding: iso-8859-1 -*-
+# Copyright (C) 2016 CEA/DEN, EDF R&D
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+#
+# See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+#
+# Author : Anthony Geay (EDF R&D)
+
+# non regression test that emulates https://ageay@git.salome-platform.org/gitpub/samples/datafiles.git Med/ResOK_0000.med
+# This test point error during commit efd9331a9455785d0f04b75 in PARAVIS
+
+from MEDLoader import *
+fname="testMEDReader20.med"
+png="testMEDReader20.png"
+nb=10
+arrX=DataArrayDouble(nb+1) ; arrX.iota()
+arrY=DataArrayDouble([0.,1.])
+m=MEDCouplingCMesh() ; m.setCoords(arrX,arrY) ; m=m.buildUnstructured(); m.setName("mesh") ; m.simplexize(0)
+mm=MEDFileUMesh() ; mm[0]=m
+m1=m.computeSkin() ; mm[-1]=m1
+#
+f0=DataArrayInt(m1.getNumberOfCells()) ; f0.iota() ; mm.setFamilyFieldArr(-1,f0)
+f1=DataArrayInt(m1.getNumberOfNodes()) ; f1.iota() ; mm.setFamilyFieldArr(1,f1) # <- very important the bug can be shown here
+#
+nbCells=m1.getNumberOfCells() ; nbNodes=m.getNumberOfNodes()
+mm.write(fname,2)
+for i in range(5):
+ f=MEDCouplingFieldDouble(ON_CELLS) ; f.setMesh(m)
+ f.setName("Field")
+ arr=DataArrayInt(2*nb) ; arr.iota(i) ; arr%=nb ; arr=arr.convertToDblArr()
+ f.setArray(arr) ; f.setTime(float(i),i,0)
+ WriteFieldUsingAlreadyWrittenMesh(fname,f)
+ #
+ f=MEDCouplingFieldDouble(ON_CELLS) ; f.setMesh(m1)
+ f.setName("Field")
+ arr=DataArrayInt(nbCells) ; arr.iota(i) ; arr%=nbCells ; arr=arr.convertToDblArr()
+ f.setArray(arr) ; f.setTime(float(i),i,0)
+ WriteFieldUsingAlreadyWrittenMesh(fname,f)
+ #
+ f=MEDCouplingFieldDouble(ON_NODES) ; f.setMesh(m)
+ f.setName("FieldNode")
+ arr=DataArrayDouble(nbNodes) ; arr[:]=float(i)
+ f.setArray(arr) ; f.setTime(float(i),i,0)
+ WriteFieldUsingAlreadyWrittenMesh(fname,f)
+ pass
+#####################
+from paraview.simple import *
+#### disable automatic camera reset on 'Show'
+paraview.simple._DisableFirstRenderCameraReset()
+
+# create a new 'MED Reader'
+testMEDReader20med = MEDReader(FileName=fname)
+testMEDReader20med.AllArrays = ['TS0/mesh/ComSup0/Field@@][@@P0']
+testMEDReader20med.AllTimeSteps = ['0000', '0001', '0002', '0003', '0004']
+
+# get animation scene
+animationScene1 = GetAnimationScene()
+
+# update animation scene based on data timesteps
+animationScene1.UpdateAnimationUsingDataTimeSteps()
+
+# get active view
+renderView1 = GetActiveViewOrCreate('RenderView')
+# uncomment following to set a specific view size
+# renderView1.ViewSize = [610, 477]
+
+# show data in view
+testMEDReader20medDisplay = Show(testMEDReader20med, renderView1)
+# trace defaults for the display properties.
+testMEDReader20medDisplay.ColorArrayName = [None, '']
+testMEDReader20medDisplay.GlyphType = 'Arrow'
+testMEDReader20medDisplay.ScalarOpacityUnitDistance = 4.664739046219201
+testMEDReader20medDisplay.SelectUncertaintyArray = [None, '']
+testMEDReader20medDisplay.UncertaintyTransferFunction = 'PiecewiseFunction'
+testMEDReader20medDisplay.OpacityArray = [None, '']
+testMEDReader20medDisplay.RadiusArray = [None, '']
+testMEDReader20medDisplay.RadiusRange = [0.0, 10.0]
+testMEDReader20medDisplay.ConstantRadius = 10.0
+testMEDReader20medDisplay.PointSpriteDefaultsInitialized = 1
+testMEDReader20medDisplay.SelectInputVectors = [None, '']
+testMEDReader20medDisplay.WriteLog = ''
+
+# reset view to fit data
+renderView1.ResetCamera()
+
+#changing interaction mode based on data extents
+renderView1.InteractionMode = '2D'
+renderView1.CameraPosition = [5.0, 0.5, 10000.0]
+renderView1.CameraFocalPoint = [5.0, 0.5, 0.0]
+
+# set scalar coloring
+ColorBy(testMEDReader20medDisplay, ('FIELD', 'vtkBlockColors'))
+
+# show color bar/color legend
+testMEDReader20medDisplay.SetScalarBarVisibility(renderView1, True)
+
+# get color transfer function/color map for 'vtkBlockColors'
+vtkBlockColorsLUT = GetColorTransferFunction('vtkBlockColors')
+
+# get opacity transfer function/opacity map for 'vtkBlockColors'
+vtkBlockColorsPWF = GetOpacityTransferFunction('vtkBlockColors')
+
+# set scalar coloring
+ColorBy(testMEDReader20medDisplay, ('CELLS', 'Field'))
+
+# rescale color and/or opacity maps used to include current data range
+testMEDReader20medDisplay.RescaleTransferFunctionToDataRange(True)
+
+# show color bar/color legend
+testMEDReader20medDisplay.SetScalarBarVisibility(renderView1, True)
+
+# get color transfer function/color map for 'Field'
+fieldLUT = GetColorTransferFunction('Field')
+
+# get opacity transfer function/opacity map for 'Field'
+fieldPWF = GetOpacityTransferFunction('Field')
+
+animationScene1.GoToNext() # <- very important to see the bug play with time steps...
+animationScene1.GoToNext()
+animationScene1.GoToNext()
+animationScene1.GoToNext()
+animationScene1.GoToPrevious()
+animationScene1.GoToPrevious()
+
+# current camera placement for renderView1
+renderView1.InteractionMode = '2D'
+renderView1.CameraPosition = [5.0, 0.5, 10000.0]
+renderView1.CameraFocalPoint = [5.0, 0.5, 0.0]
+renderView1.CameraParallelScale = 5.024937810560445
+
+#
+
+renderView1.ViewSize =[300,300]
+Render()
+#WriteImage(png)
+
+#### saving camera placements for all active views
+
+# current camera placement for renderView1
+renderView1.InteractionMode = '2D'
+renderView1.CameraPosition = [5.0, 0.5, 10000.0]
+renderView1.CameraFocalPoint = [5.0, 0.5, 0.0]
+renderView1.CameraParallelScale = 5.024937810560445
+# compare with baseline image
+import os
+import sys
+try:
+ baselineIndex = sys.argv.index('-B')+1
+ baselinePath = sys.argv[baselineIndex]
+except:
+ print "Could not get baseline directory. Test failed."
+ exit(1)
+baseline_file = os.path.join(baselinePath,png)
+import vtk.test.Testing
+vtk.test.Testing.VTK_TEMP_DIR = vtk.util.misc.vtkGetTempDir()
+vtk.test.Testing.compareImage(GetActiveView().GetRenderWindow(), baseline_file, threshold=25)
+vtk.test.Testing.interact()
