[Paraview] Detect Catalyst extraction from within a coprocessor

[Andy Bauer]

Hi Simon,

Currently there's nothing that allows the coprocessor to get information
that the user has clicked on the extract icon during a Catalyst Live
connection. You may be able to hack in a solution though by looking at
either vtkLiveInSituLink (
https://www.paraview.org/ParaView/Doc/Nightly/www/cxx-doc/classvtkLiveInsituLink.html)
or coprocessing.py.

By the way, I'm curious about the use case for this -- what functionality
are you hoping to do with this information? FYI: we're hoping to add
significant functionality in the near future for Catalyst Live so something
like that may be supported in the near future.

Best,
Andy

On Tue, Feb 27, 2018 at 9:47 AM, Michalke, Simon <simon.michalke at fau.de>
wrote:

> Hi,
>
> is there any way that the coprocessor can detect if the catalyst user
> clicks on the extract icon? Something like a function that sleeps until a
> new coprocess steps needs to be done.
> Or do I have to continuously poll the catalyst client if it needs a new
> batch of data transmitted?
>
> Simon
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