[Paraview] Connect ParaViewWeb to Catalyst

[Sebastien Jourdain]

Glad to ear that you managed to get something going. If you feel like
sharing your code, we might be able to provide some integration into
ParaView and/or ParaViewWeb proper.

Seb

On Sat, May 21, 2016 at 11:53 AM, Sven Kramer <svenkramer40 at gmail.com>
wrote:

> 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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