[Paraview] Fwd: pvbatch rendering issue

[Maxim Torgonskiy]

---------- Forwarded message ----------
From: Maxim Torgonskiy <kriolog at gmail.com>
Date: 2017-07-03 13:54 GMT-04:00
Subject: Re: [Paraview] pvbatch rendering issue
To: Utkarsh Ayachit <utkarsh.ayachit at kitware.com>


Ok, I've found the source of the problem. The state has links between views
'<CameraLink name=' which somehow cause rendering of everything when I
touch a view and the view image I want to write is almost never the right
one. I removed these links and now everything works fine. Thank you for
your help!

Ps. The python script is that I've posted above (just with two hardcoded
pathes 'pvsm_file' and 'baseline_path'). The pvsm state won't be
reproducible with paraview since it uses many custom plugins.

2017-07-03 12:44 GMT-04:00 Utkarsh Ayachit <utkarsh.ayachit at kitware.com>:

> Mind sending me the script? Not sure what's going on.
>
> On Mon, Jul 3, 2017 at 11:49 AM, Maxim Torgonskiy <kriolog at gmail.com>
> wrote:
> > Hello Utkarsh,
> >
> > Thank you for your quick reply. Yes, I tried with and without
> > `--use-offscreen-rendering`, the result is the same.
> >
> > 2017-07-03 11:38 GMT-04:00 Utkarsh Ayachit <utkarsh.ayachit at kitware.com
> >:
> >>
> >> Maxim,
> >>
> >> Can you try passing `--use-offscreen-rendering` flag to pvbatch. Does
> >> that help? I am not sure how you're getting incorrect sizes with
> >> osmesa too, but let's focus of the X error to begin with.
> >>
> >> Utkarsh
> >>
> >> On Mon, Jul 3, 2017 at 11:36 AM, Maxim Torgonskiy <kriolog at gmail.com>
> >> wrote:
> >> > Hello,
> >> >
> >> > I need to load a heavy pvsm state with pvbatch and render multiple
> >> > output
> >> > views for my regression tests. The python script which I use is quite
> >> > straightforward:
> >> >
> >> > import paraview.simple as ParaViewSimple
> >> > import os
> >> > ...
> >> > ParaViewSimple.servermanager.LoadState(pvsm_file)
> >> > for view in ParaViewSimple.GetRenderViews():
> >> >   pxm = ParaViewSimple.servermanager.ProxyManager()
> >> >   view_name = pxm.GetProxyName("views", view)
> >> >   ParaViewSimple.SaveScreenshot(os.path.join(baseline_path, "%s.png"
> %
> >> > view_name), view)
> >> >
> >> > If I launch it with pvbatch it returns multiple warnings "Warning: In
> >> >
> >> > /home/kriolog/projects/caboma/SpecifX/VTK/Rendering/OpenGL2/
> vtkXOpenGLRenderWindow.cxx,
> >> > line 1080
> >> > vtkXOpenGLRenderWindow (0x556adac32720): warning window did not resize
> >> > in
> >> > the allotted time" and generates wrong images (10 identical images of
> >> > one of
> >> > the views and one different instead 11 different images). However,
> when
> >> > I
> >> > launch the same script from ParaView it generates correct images.
> When I
> >> > launch pvbatch  in my docker container (osmesa, no Qt) it silently
> >> > generates
> >> > the same wrong images. Could you please me give me some advice about
> how
> >> > to
> >> > debug it?
> >> >
> >> > The version of VTK which I use is 7.1.1 (slightly modified).
> >> >
> >> > Thanks,
> >> > Maxim
> >> >
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