[Paraview] Exporting Animations from ParaView

Tue Jan 22 13:46:12 EST 2008

Alessandro,

You can download it from:
http://paraview.org/files/v3.2/ParaViewData3.2.zip

Additional instructions for getting it through CVS can be found at
http://paraview.org/New/download.html

Utkarsh


Alessandro Bellina wrote:
> Utkarsh,
> Where can I find can.ex2? I don't have that in my Examples folder...
> 
> Alessandro
> 
> On Jan 22, 2008 12:10 PM, Utkarsh Ayachit <utkarsh.ayachit at kitware.com> wrote:
>> Hi Alessandro,
>>
>> To help focus on the issue, why don't you try to reproduce the animation
>> saving bug with an already provided dataset.
>> Try loading can.ex2 from eg, and saving the animation. Does that work,
>> or are you still getting the blank images?
>>
>> Utkarsh
>>
>>
>> Alessandro Bellina wrote:
>>> Utkarsh,
>>> I tried recompiling ParaView 3.3 from CVS and I am still having the
>>> same issue with VTU/PVD files. It actually opens fine the files that
>>> come from the Examples folder from ParaView but these VTU/PVD files
>>> that used to work in ParaView 3.2.1 don't work anymore. Different
>>> format?
>>>
>>> On Jan 22, 2008 10:15 AM, Alessandro Bellina <bellina at uiuc.edu> wrote:
>>>> Utkarsh,
>>>> I used the binary version first. I tried the HEAD of the CVS
>>>> repositor, compiled it and was able to run it but when I open my
>>>> dataset it hangs (it doesn't even give me the apply button.) I am not
>>>> sure if anybody else had that problem. Do send me the patch... I will
>>>> try to recompile and see what happens...
>>>>
>>>> Thanks,
>>>>
>>>> Alessandro
>>>>
>>>>
>>>> On Jan 22, 2008 10:11 AM, Utkarsh Ayachit <utkarsh.ayachit at kitware.com> wrote:
>>>>> The blank images could be related to the fact that we use offscreen
>>>>> rendering when saving animation images. Some cards/drivers have shown
>>>>> issues with the frame buffer object based offscreen rendering we use.
>>>>> Are you using binaries or have you built from source? In CVS paraview,
>>>>> we now have an option to disable offscreen rendering.  If you have built
>>>>> from source, I can send you a patch to disable offscreen rendering.
>>>>>
>>>>> Utkarsh
>>>>>
>>>>>
>>>>> Alessandro Bellina wrote:
>>>>>> 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
>>>>>>>>>
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