[Paraview] Coprocessing with many time steps

[Samuel Key]

Hermano,

Here is an example *pvd file.

Samuel Key
FMA Development
1005 39th Ave NE
Great Falls, Montana,  USA

On 9/28/2017 1:21 PM, Andy Bauer wrote:
> Hi,
>
> The XML readers and writers don't properly support time so currently 
> the best way would be to create a pvd file which would contain the 
> time and time step information. I don't know of anything in VTK or 
> ParaView that writes out pvd files (I only see a vtkPVDReader in 
> ParaView) but the format is meant to be simple. I would suggest doing 
> it directly in the Catalyst Python script through some Python library 
> as the best workaround for now.
>
>
>
> On Thu, Sep 28, 2017 at 3:08 PM, Hermano Lustosa <hllustosa at gmail.com 
> <mailto:hllustosa at gmail.com>> wrote:
>
>     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 <mailto: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 <mailto: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.
>
>
>
>
>
>             _______________________________________________
>             Powered by www.kitware.com <http://www.kitware.com>
>
>             Visit other Kitware open-source projects at
>             http://www.kitware.com/opensource/opensource.html
>             <http://www.kitware.com/opensource/opensource.html>
>
>             Please keep messages on-topic and check the ParaView Wiki
>             at: http://paraview.org/Wiki/ParaView
>             <http://paraview.org/Wiki/ParaView>
>
>             Search the list archives at:
>             http://markmail.org/search/?q=ParaView
>             <http://markmail.org/search/?q=ParaView>
>
>             Follow this link to subscribe/unsubscribe:
>             http://public.kitware.com/mailman/listinfo/paraview
>             <http://public.kitware.com/mailman/listinfo/paraview>
>
>
>
>
>
>
> _______________________________________________
> Powered by www.kitware.com
>
> Visit other Kitware open-source projects at http://www.kitware.com/opensource/opensource.html
>
> Please keep messages on-topic and check the ParaView Wiki at: http://paraview.org/Wiki/ParaView
>
> Search the list archives at: http://markmail.org/search/?q=ParaView
>
> Follow this link to subscribe/unsubscribe:
> http://public.kitware.com/mailman/listinfo/paraview

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://public.kitware.com/pipermail/paraview/attachments/20170928/9068bc75/attachment.html>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: fmavto.pvd
Type: text/xml
Size: 5708 bytes
Desc: not available
URL: <http://public.kitware.com/pipermail/paraview/attachments/20170928/9068bc75/attachment.xml>