--- /dev/null
+# -*- coding: iso-8859-1 -*-
+# Copyright (C) 2016-2019 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
+# Commit of the correction : a4e89b15c2faff6341ab9c3d78abc in PARAVIS
+# Due to mistake in MEDReader, the family field array on nodes was deleted twice when changing time step
+
+import os
+import sys
+
+from medcoupling import *
+from paraview.simple import *
+from MEDReaderHelper import WriteInTmpDir,RetriveBaseLine
+
+#### disable automatic camera reset on 'Show'
+paraview.simple._DisableFirstRenderCameraReset()
+
+def GenerateCase():
+ fname="testMEDReader20.med"
+ 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
+ return fname
+
+@WriteInTmpDir
+def test(baseline_file):
+ fname = GenerateCase()
+ #####################
+ # 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()
+
+ if '-D' not in sys.argv:
+ # 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
+
+ # 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, ('CELLS', 'Field'))
+
+ # rescale color and/or opacity maps used to include current data range
+ testMEDReader20medDisplay.RescaleTransferFunctionToDataRange(True)
+
+ # do not show color bar/color legend
+ testMEDReader20medDisplay.SetScalarBarVisibility(renderView1, False)
+
+ # 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 vtk.test.Testing
+ from vtk.util.misc import vtkGetTempDir
+ vtk.test.Testing.VTK_TEMP_DIR = vtk.util.misc.vtkGetTempDir()
+ vtk.test.Testing.compareImage(GetActiveView().GetRenderWindow(), baseline_file, threshold=1)
+ vtk.test.Testing.interact()
+ pass
+
+if __name__ == "__main__":
+ outImgName="testMEDReader20.png"
+ baseline_file = RetriveBaseLine(outImgName)
+ test(baseline_file)
+ pass
