[Paraview] Connect ParaViewWeb to Catalyst

[Sven Kramer]

Thank you, Seb,
it seems like I am getting it to work. There are still some difficulties
because of my limited javascript experience, but with some quick&dirty
workarounds I do have the Catalyst output displayed from ParaViewWeb. As
you said, nothing else was required than wrapping the C functions in python.

Thanks
Sven


2016-05-20 18:59 GMT+02:00 Sebastien Jourdain <
sebastien.jourdain at kitware.com>:

> Hi Sven,
>
> I am not aware on any specific developer documentation for Catalyst on the
> ParaView side (but I haven't worked on that subject for years), although
> Utkarsh or Andy might know.
>
> Usually looking at the code and redoing it in the Python world is what is
> required, but as I said, I'm not sure of what it means since I don't know
> that code anymore. ;-)
>
> For the timeframe, I can't tell (meaning I don't know), but we can still
> try to help you or implement the missing piece via support contract if that
> make sense on your end.
>
> Thanks,
>
> Seb
>
> On Fri, May 20, 2016 at 10:46 AM, Sven Kramer <svenkramer40 at gmail.com>
> wrote:
>
>> Hello Seb,
>> glad to read your answer. So the problem is not only that I was unable to
>> find the relevant information.
>>
>> You say, you have not (yet) written the required code. Does "not (yet)"
>> mean that it is on the agenda maybe within the next half year? Then I could
>> find a workaround and look forward to the next Paraview updates.
>>
>> Otherwise I would try to work on the implementation for connecting
>> Paraviewweb to Catalyst output. Is there any developer documentation of
>> Catalysts "specific socket connection"? Or some general Catalyst developer
>> information? Those would be great to get started.
>> My first attempt would be to "wrap" the functionality of
>> Qt/ApplicationComponents/pqCatalystConnectReaction.cxx into pvserver and
>> make it available to the web client. Or are the necessary steps much more
>> involved?
>>
>> Thank you
>> Sven
>>
>>
>> 2016-05-20 15:42 GMT+02:00 Sebastien Jourdain <
>> sebastien.jourdain at kitware.com>:
>>
>>> Hi Sven,
>>>
>>> Live catalyst connection require a specific socket connection to the
>>> in-situ process with some special handling.
>>> We did not (yet) wrote the Python code to perform that specific action
>>> for ParaViewWeb so it could be triggered by the web client or configured
>>> via an argument at launch time.
>>> I don't see any reason why this couldn't work, but as for now, I also
>>> don't know an easy step to do it without spending time doing it myself.
>>>
>>> Seb
>>>
>>> On Thu, May 19, 2016 at 1:52 PM, Sven Kramer <svenkramer40 at gmail.com>
>>> wrote:
>>>
>>>> Hello,
>>>> I am looking for the recommended steps how to display an in-situ (live)
>>>> Catalyst simulation through ParaViewWeb.
>>>>
>>>> After some efforts I am able to run ParaViewWeb successfully and I can
>>>> view a Catalyst-enabled simulation in paraview.
>>>>
>>>> I hope, it is also possible to show the live Catalyst output via
>>>> ParaViewWeb, but I cannot imagine how to achieve this. I tried starting a
>>>> pvserver as mentioned at the end of
>>>> https://blog.kitware.com/introduction-to-paraview-catalyst-live/ and
>>>> giving "--ds-host localhost --ds-port 11111" options to
>>>> pv_web_visualizer.py, but it doesn't help. I can't share anything to be
>>>> displayed on the web.
>>>>
>>>> Below you find the (not too detailed) steps I took to have a working
>>>> solution for either Catalyst-enabled simulations or a working web
>>>> visualizer:
>>>>
>>>> Test connection from Catalyst simulation to paraview:
>>>> 1) Build and execute paraview from ParaView-v5.0.1-source.tar.gz (from
>>>> http://www.paraview.org/download/)
>>>> 2) Choose Catalyst->Connect in paraview
>>>> 3) Run CFullExample from
>>>> https://github.com/Kitware/ParaViewCatalystExampleCode
>>>> 4) Pipeline from CFullExample is shown in paraview.
>>>> Success!
>>>>
>>>> Test ParaViewWeb:
>>>> 1) Download ParaViewData-5.0.0.tar.gz from
>>>> http://www.paraview.org/download/, extract in /data
>>>> 2) Run $ParaView_DIR/bin/pvpython
>>>> $ParaView_DIR/lib/site-packages/paraview/web/pv_web_visualizer.py --content
>>>> $ParaView_DIR/www  --data-dir /data --port 8080
>>>> 3) Open the Visualizer App http://localhost:8080/apps/Visualizer/
>>>> Success!
>>>>
>>>> But how do I get Catalyst into the web visualizer? Is there any example
>>>> how to combine them? Anybody who can suggest the required steps?
>>>>
>>>> Regards,
>>>> Sven
>>>>
>>>>
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>>
>
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