[Paraview] pvbatch rendering issue

[Utkarsh Ayachit]

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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