[Paraview] non-interactive viz on cluster
Yves Rogez
yves.rogez at obs.ujf-grenoble.fr
Thu Jul 23 11:55:07 EDT 2015
Hi Patrick,
have you tried to just get rid of the depth peeling ?
(Settings -> Render view tab -> Advanced mode -> Uncheck the depth
peeling box) and set an opacity < 1.0 on the object.
Cheers,
Yves
Le 23/07/2015 17:44, Kharche, Sanjay a écrit :
>
>
> Dear All
>
>
> I found that I can use VNC server (and which is available to me on my
> current machine) with the offscreen rendering options to paraview.
>
>
> VNC server seems to be a proprietary software. Are there free options
> available?
>
>
> cheers
>
> Sanjay
>
>
>
>
> ------------------------------------------------------------------------
> *From:* David E DeMarle <dave.demarle at kitware.com>
> *Sent:* 19 July 2015 13:46
> *To:* Kharche, Sanjay
> *Cc:* paraview at paraview.org
> *Subject:* Re: [Paraview] non-interactive viz on cluster
> I am not wanting to do the visualisation using the PBS -X option, which
>
> will forward the X11 graphics from the compute mnodes to my
> desktop screen.
>
> I want to do it completely non-interactively.
>
>
> Agreed. Don't forward X, N compute nodes sending their graphics calls
> over the network to your desktop is much worse than N times slower.
>
> I could not find any other way of
>
> changing the DISPLAY variable. If there is one, please suggest.
>
>
> I think it is site specific. Talk with your sys admins about how to
> submit a job that has access to X displays on the compute nodes.
>
> In the meantime, I am trying to find out of the paraview on our
> cluster is
>
> compiled to use off screen rendering. I will also try to have a go
> at using
>
> some precompiled binaries (pvbatch) if I can find any.
>
>
> Sounds like a good backup plan. If that fails, you can compile
> paraview for offscreen rendering yourself and run your own binary.
>
> cheers
>
> Sanjay
>
>
>
> good luck!
>
>
> ------------------------------------------------------------------------
> *From:* David E DeMarle <dave.demarle at kitware.com
> <mailto:dave.demarle at kitware.com>>
> *Sent:* 18 July 2015 02:08
> *To:* Kharche, Sanjay
> *Cc:* paraview at paraview.org <mailto:paraview at paraview.org>
> *Subject:* Re: [Paraview] non-interactive viz on cluster
>
> The error message indicates that pv batch can not connect the
> xwindows.
> If the cluster is configured to run X for you, ensure that the job
> has the correct DISPLAY environment variable.
> If not, you should either start X in the job ("xinit pvbatch" or
> something like that) or recompile paraview to use offscreen rendering.
>
>
> On Saturday, July 18, 2015, Kharche, Sanjay
> <S.R.Kharche at exeter.ac.uk <mailto:S.R.Kharche at exeter.ac.uk>> wrote:
>
>
> Dear All
>
> I need to non-interactively make png images of a series of
> sequentially
> numbered vts/vtk files. Since this is a large amount of data,
> I would like
> to do this using a cluster. The cluster has paraview and
> OpenFoam. I am not
> very familiar with OpenFoam, and have just started using
> Paraview in
> terms of python scripts. When I submit the job, I get an
> error. I gather
> that the error is because there is always a blank Paraview
> OpenGL window
> that opens when I use the script below. Can someone suggest a
> solution?
>
> thanks
> Sanjay
>
> error from the pbs job:
> ERROR: In
> /home/kitware/Kitware/ParaView-3.10/source/VTK/Rendering/vtkXOpenGLRenderWindow.cxx,
> line 541
> vtkXOpenGLRenderWindow (0x1ba5ad0): bad X server connection.
> DISPLAY=ERROR: In
> /home/kitware/Kitware/ParaView-3.10/source/VTK/Rendering/vtkXOpenGLRenderWindow.cxx,
> line 343
> vtkXOpenGLRenderWindow (0x1ba5ad0): bad X server connection.
> DISPLAY=
>
> My python script that I created using the GUI, and then edited
> for writing the png is below. I run it using the
> non screen rendering option:
>
> pvbatch --use-offscreen-rendering mouse2d.py &
>
> mouse2d.py is this:
>
> try: paraview.simple
> except: from paraview.simple import *
> paraview.simple._DisableFirstRenderCameraReset()
>
> # this does not make a difference to the viz.
> # SetActiveView(GetRenderView())
> # GetActiveView().UseOffscreenRenderingForScreenshots = 1
>
> # loop through all files.
> for i in range (1,3999):
> mouse2D_SAN1_vts = XMLStructuredGridReader(
> FileName=['mouse2D_SAN%d.vts' % (i)] )
> mouse2D_SAN1_vts.PointArrayStatus = ['Unnamed0']
> RenderView1 = GetRenderView()
> DataRepresentation1 = Show()
> DataRepresentation1.EdgeColor = [0.0, 0.0, 0.5000076295109483]
> RenderView1.CenterOfRotation = [78.0, 58.5, 0.0]
> Transform1 = Transform( Transform="Transform" )
> a1_Unnamed0_PVLookupTable = GetLookupTableForArray(
> "Unnamed0", 1, NanColor=[0.25, 0.0, 0.0], RGBPoints=[-0.01,
> 0.23, 0.299, 0.754, 1.0, 0.706, 0.016, 0.15],
> VectorMode='Magnitude', ColorSpace='Diverging',
> LockScalarRange=1 )
> a1_Unnamed0_PiecewiseFunction = CreatePiecewiseFunction()
> RenderView1.CameraPosition = [78.0, 58.5,
> 376.71107225273664]
> RenderView1.CameraFocalPoint = [78.0, 58.5, 0.0]
> RenderView1.CameraClippingRange = [372.94396153020926,
> 382.3617383365277]
> RenderView1.CameraParallelScale = 97.5
> DataRepresentation1.ColorArrayName = 'Unnamed0'
> DataRepresentation1.LookupTable = a1_Unnamed0_PVLookupTable
> Transform1.Transform = "Transform"
> DataRepresentation2 = Show()
> DataRepresentation2.ColorArrayName = 'Unnamed0'
> DataRepresentation2.LookupTable = a1_Unnamed0_PVLookupTable
> DataRepresentation2.EdgeColor = [0.0, 0.0, 0.5000076295109483]
> DataRepresentation1.Visibility = 0
>
> Transform1.Transform.Scale = [1.0, -1.0, 0.0]
> RenderView1.CenterAxesVisibility = 0
> RenderView1.CameraPosition = [78.0, -58.5,
> 376.71107225273664]
> RenderView1.OrientationAxesVisibility = 0
> RenderView1.CameraFocalPoint = [78.0, -58.5, 0.0]
> RenderView1.CenterOfRotation = [78.0, -58.5, 0.0]
> # Render()
> WriteImage("dir_%i.png" % (i))
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> --
> David E DeMarle
> Kitware, Inc.
> R&D Engineer
> 21 Corporate Drive
> Clifton Park, NY 12065-8662
> Phone: 518-881-4909 <tel:518-881-4909>
>
>
>
>
> _______________________________________________
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> Visit other Kitware open-source projects at http://www.kitware.com/opensource/opensource.html
>
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--
Yves Rogez
/CONSERT Operations Engineer/
*IPAG*
/Institut de Planétologie et d'Astrophysique de Grenoble /
Bat D de Physique - BP. 53 - 38041 Grenoble - FRANCE
tel : +33 (0)4 76 63 52 80
lab : +33 (0)4 76 63 57 60
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