[Paraview] Exporting Animations from ParaView

[Alessandro Bellina]

Mike,
thanks for your answer. I made sure that chache geometry was unchecked
and I am still getting the black screens. I never had that option
checked so the memory leaks are the same. Maybe I should try
installing 2.6...

Alessandro

On Jan 22, 2008 9:23 AM, Mike Jackson <imikejackson at gmail.com> wrote:
> There was an option in PV 2.6 called "cache geometry" where basically
> PV would load all your time steps into memory which was a problem for
> me. If you uncheck this box then PV will reuse the memory for each
> time step. This allows you to animate your entire data set but kills
> the performance of trying to playback the animation in real time from
> within PV. I would look for something similar in PV 3.
>
> Mike
>
>
> On Jan 22, 2008, at 9:48 AM, Alessandro Bellina wrote:
>
> > Thanks for your answer Pei. Using FFMPEG works fine when I am able to
> > output the files. It is still giving me problems a certain amount of
> > frames in (jpg files) and creates similar effects as the export to
> > avi. So, it prolongs the creation of usable frames but nevertheless
> > stops working after a little while. Looking at the memory usage using
> > "top", I can see that my memory is going away at a rate of about
> > 100MB/frame, and that is never freed (even after exiting paraview). I
> > am wondering if there is some sort of memory management problem with
> > the animation output.
> >
> > Now, this wouldn't be too much of a big deal if I could tell paraview
> > to pick up where it left off (i.e. frame0100.jpg) and keep going until
> > the end, it always tries to start from the beginning (i.e.
> > frame0000.jpg). That's something else I noted.
> >
> > My files are VTK files with a PVD file that has a collection node
> > (where I specify the corresponding timesteps). Correct me if I am
> > wrong, but I am supposed to output to each one of the files the mesh
> > structure (cells, nodes, offsets and type) each time I output a
> > timestep? I thought I could get around this and have one file that
> > describes the geometry, and have timesteps that only contain data
> > values but I am not sure how this would be done. I think that this
> > might have something to do with the memory problems.
> >
> > Thanks,
> >
> > Alessandro
> >
> >
> >
> > On Jan 22, 2008 6:03 AM, Pei-Ying Hsieh <phsieh2005 at yahoo.com> wrote:
> >>
> >> Hi,
> >>
> >> This happened to me when there are many time steps.  In this case,
> >> I usually
> >> export each time step as jpg (you can save animation, then, select
> >> jpg.
> >> this will save a sequence of jpg images).  Then, use ffmpeg to
> >> convert the
> >> sequence of jpg into mpg.
> >>
> >> BTW, I am still using paraview 2.4.4.
> >>
> >> Pei
> >>
> >> ----- Original Message ----
> >> From: Alessandro Bellina <bellina at uiuc.edu>
> >> To: paraview at paraview.org
> >> Sent: Monday, January 21, 2008 10:28:03 PM
> >> Subject: [Paraview] Exporting Animations from ParaView
> >>
> >>  Hello,
> >> I am using ParaView 3.2.1 and Linux Ubuntu. I am trying to output an
> >> animation based on a collection of about 2000 time frames. The output
> >> file(s) get corrupted. I have tried exporting as AVI and JPEG but the
> >> same issue happens. After 1 or two frames, they go black, and the
> >> remainder of the movie is either black frames or grainy looking (like
> >> static on digital TV). I am not sure what the problem is. I have
> >> tried
> >> cutting the amount of time steps to 500 and I still get the same
> >> issue. Any recommendations?
> >>
> >> Thanks,
> >>
> >> Alessandro
> >>
>