[Paraview] Coprocessing with many time steps

[Hermano Lustosa]

Ohh I see...

Just another quick question. Currently, I am creating a series of VTU and
VTI files whose names follow the pattern mysimulation-t%d. With %d being
replaced by an integer index identifying the time step. I am about to code
a simple PVD writer to consolidate the output and also to assign the real
time step value in seconds instead of maintaining this integer index.

It doesn't seem to be very hard to create this PVD file by hand, but I was
just wondering if there is something in the VTK library that could
automatically create these files for me. I still could not understand how I
can assign the real time step in seconds to a file, don't know if its even
possible with VT? files. If this is possible, some directions that could
help me implement that would be very nice!

Thanks once again!





On Thu, Sep 28, 2017 at 3:50 PM, Andy Bauer <andy.bauer at kitware.com> wrote:

> Hi,
>
> The TemporalStatistics filter (or any other filter that iterates through
> time steps) doesn't currently work with Catalyst. We hope to change this in
> the future but because of the way that the ParaView pipeline works it makes
> it a non-trivial change.
>
> Andy
>
> On Thu, Sep 28, 2017 at 2:40 PM, Hermano Lustosa <hllustosa at gmail.com>
> wrote:
>
>> I have doubt about using paraview catalyst from my simulation code.
>> Suppose I created a simple Paraview pipeline containing the
>> TemporalStatistics filter only.
>>
>> Initially, it is not clear for which "dummy" source is adequate for the
>> script. I used a simple programmable source or even a unstructured cell
>> types source to create the python script. Then, I call the script from
>> catalyst in my code like this:
>>
>> for each time step
>>     update grid;
>>     create data description;
>>     call coprocessing method;
>>
>> The problem is that I expect the TemporalStatistics filter to create a
>> single file containing the statistics for all the time steps. However, this
>> approach creates a file for every time step. What I should do in the
>> catalyst (or during the script creation) to have a single output for this
>> filter.
>>
>> Thanks in advance.
>>
>>
>>
>>
>>
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