1 # -*- coding: iso-8859-1 -*-
2 # Copyright (C) 2016, 2017 CEA/DEN, EDF R&D
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.
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.
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
18 # See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
20 # Author : Anthony Geay (EDF R&D)
22 # non regression test that emulates https://ageay@git.salome-platform.org/gitpub/samples/datafiles.git Med/ResOK_0000.med
23 # This test point error during commit efd9331a9455785d0f04b75 in PARAVIS
24 # Commit of the correction : a4e89b15c2faff6341ab9c3d78abc in PARAVIS
25 # Due to mistake in MEDReader, the family field array on nodes was deleted twice when changing time step
30 from MEDLoader import *
32 fname="testMEDReader20.med"
33 png="testMEDReader20.png"
35 arrX=DataArrayDouble(nb+1) ; arrX.iota()
36 arrY=DataArrayDouble([0.,1.])
37 m=MEDCouplingCMesh() ; m.setCoords(arrX,arrY) ; m=m.buildUnstructured(); m.setName("mesh") ; m.simplexize(0)
38 mm=MEDFileUMesh() ; mm[0]=m
39 m1=m.computeSkin() ; mm[-1]=m1
41 f0=DataArrayInt(m1.getNumberOfCells()) ; f0.iota() ; mm.setFamilyFieldArr(-1,f0)
42 f1=DataArrayInt(m1.getNumberOfNodes()) ; f1.iota() ; mm.setFamilyFieldArr(1,f1) # <- very important the bug can be shown here
44 nbCells=m1.getNumberOfCells() ; nbNodes=m.getNumberOfNodes()
47 f=MEDCouplingFieldDouble(ON_CELLS) ; f.setMesh(m)
49 arr=DataArrayInt(2*nb) ; arr.iota(i) ; arr%=nb ; arr=arr.convertToDblArr()
50 f.setArray(arr) ; f.setTime(float(i),i,0)
51 WriteFieldUsingAlreadyWrittenMesh(fname,f)
53 f=MEDCouplingFieldDouble(ON_CELLS) ; f.setMesh(m1)
55 arr=DataArrayInt(nbCells) ; arr.iota(i) ; arr%=nbCells ; arr=arr.convertToDblArr()
56 f.setArray(arr) ; f.setTime(float(i),i,0)
57 WriteFieldUsingAlreadyWrittenMesh(fname,f)
59 f=MEDCouplingFieldDouble(ON_NODES) ; f.setMesh(m)
60 f.setName("FieldNode")
61 arr=DataArrayDouble(nbNodes) ; arr[:]=float(i)
62 f.setArray(arr) ; f.setTime(float(i),i,0)
63 WriteFieldUsingAlreadyWrittenMesh(fname,f)
66 from paraview.simple import *
67 #### disable automatic camera reset on 'Show'
68 paraview.simple._DisableFirstRenderCameraReset()
70 # create a new 'MED Reader'
71 testMEDReader20med = MEDReader(FileName=fname)
72 testMEDReader20med.AllArrays = ['TS0/mesh/ComSup0/Field@@][@@P0']
73 testMEDReader20med.AllTimeSteps = ['0000', '0001', '0002', '0003', '0004']
76 animationScene1 = GetAnimationScene()
78 # update animation scene based on data timesteps
79 animationScene1.UpdateAnimationUsingDataTimeSteps()
81 if '-D' not in sys.argv:
83 renderView1 = GetActiveViewOrCreate('RenderView')
84 # uncomment following to set a specific view size
85 # renderView1.ViewSize = [610, 477]
88 testMEDReader20medDisplay = Show(testMEDReader20med, renderView1)
89 # trace defaults for the display properties.
90 testMEDReader20medDisplay.ColorArrayName = [None, '']
91 testMEDReader20medDisplay.GlyphType = 'Arrow'
92 testMEDReader20medDisplay.ScalarOpacityUnitDistance = 4.664739046219201
94 # reset view to fit data
95 renderView1.ResetCamera()
97 #changing interaction mode based on data extents
98 renderView1.InteractionMode = '2D'
99 renderView1.CameraPosition = [5.0, 0.5, 10000.0]
100 renderView1.CameraFocalPoint = [5.0, 0.5, 0.0]
102 # set scalar coloring
103 ColorBy(testMEDReader20medDisplay, ('CELLS', 'Field'))
105 # rescale color and/or opacity maps used to include current data range
106 testMEDReader20medDisplay.RescaleTransferFunctionToDataRange(True)
108 # do not show color bar/color legend
109 testMEDReader20medDisplay.SetScalarBarVisibility(renderView1, False)
111 # get color transfer function/color map for 'Field'
112 fieldLUT = GetColorTransferFunction('Field')
114 # get opacity transfer function/opacity map for 'Field'
115 fieldPWF = GetOpacityTransferFunction('Field')
117 animationScene1.GoToNext() # <- very important to see the bug play with time steps...
118 animationScene1.GoToNext()
119 animationScene1.GoToNext()
120 animationScene1.GoToNext()
121 animationScene1.GoToPrevious()
122 animationScene1.GoToPrevious()
124 # current camera placement for renderView1
125 renderView1.InteractionMode = '2D'
126 renderView1.CameraPosition = [5.0, 0.5, 10000.0]
127 renderView1.CameraFocalPoint = [5.0, 0.5, 0.0]
128 renderView1.CameraParallelScale = 5.024937810560445
132 renderView1.ViewSize =[300,300]
136 #### saving camera placements for all active views
138 # current camera placement for renderView1
139 renderView1.InteractionMode = '2D'
140 renderView1.CameraPosition = [5.0, 0.5, 10000.0]
141 renderView1.CameraFocalPoint = [5.0, 0.5, 0.0]
142 renderView1.CameraParallelScale = 5.024937810560445
144 # compare with baseline image
146 baselineIndex = sys.argv.index('-B')+1
147 baselinePath = sys.argv[baselineIndex]
149 print("Could not get baseline directory. Test failed.")
151 baseline_file = os.path.join(baselinePath,png)
152 import vtk.test.Testing
153 from vtk.util.misc import vtkGetTempDir
154 vtk.test.Testing.VTK_TEMP_DIR = vtk.util.misc.vtkGetTempDir()
155 vtk.test.Testing.compareImage(GetActiveView().GetRenderWindow(), baseline_file, threshold=1)
156 vtk.test.Testing.interact()