[Paraview] paraviewweb, linked views, mouse handler

[Sebastien Jourdain]

You need ParaView 5.5.2 or master as I said last time, I fixed some stuff
on the python side to properly register animation on a given view.
Or you may have patched your ParaView. But for sure, you need Python code
along with the pvw change I made.

On Wed, Jun 20, 2018 at 1:12 PM Sgouros, Thomas <thomas_sgouros at brown.edu>
wrote:

>
>
> On Wed, Jun 20, 2018 at 10:43 AM, Sebastien Jourdain <
> sebastien.jourdain at kitware.com> wrote:
>
>> Hi Tom,
>>
>> - The mouse handler seems to listen only to one view...
>>
>> I though the example in https://github.com/Kitware/paraviewweb-examples
>> was taking care of that. Or maybe I don't understand what you mean here.
>>
>
> I'm not really sure if it is or it isn't. It may be an illusion created by
> the other problem, but I don't know how to tell for sure which view is
> listening.
>
>
>
>> - The behavior I observe is that one of the views moves...
>>
>> That could be possible but are you using the latest ParaView/master?
>> Normally any registered view should receive a stream of images. With the
>> fix I've done last time for the multi-view.
>>
>>
> The example you wrote behaves this way for me, too, even when I link the
> views (see patch attached). One moves with the cursor and the other only
> moves when you lift up the mouse button. Change the sphere to something you
> can see move better and you'll see. I'm using the ParaViewWeb 3.2.2 that
> you made. Or are you talking about Paraview itself? That's at 5.5.0rc3.
> Were there relevant changes since then?
>
>
>
>> - When I make one of the views invisible...
>>
>> Do you still have a css / size issue when you make it available again?
>> You need to inspect the DOM to see where that component is present (area of
>> active).
>> Then does interacting on that area is not enough to get the images, or
>> interacting does not work because the "active" area has a size 0x0?
>>
>>
> I did fix the css / size issue that was pestering me last week. Your
> explanation has the air of plausibility, but I don't completely understand
> how this would work. Can you suggest how I would find the size of the
> active area?
>
> Thanks,
>
>  -Tom
>
>
>
>
> On Wed, Jun 20, 2018 at 6:38 AM Sgouros, Thomas <thomas_sgouros at brown.edu>
>> wrote:
>>
>>> Hi All:
>>>
>>> I'm working on a ParaViewWeb client talking to a pvpython server that
>>> shows two linked renderviews. The link works, and it all looks great, but
>>> there remain a couple of oddities I can't seem to squeeze out:
>>>
>>>  - The mouse handler seems to listen only to one view, and I can't seem
>>> to control which one it pays attention to. How can I demand it listen to
>>> one or the other?
>>>
>>>  - The behavior I observe is that one of the views moves with the mouse
>>> on a click and the other catches up when I release it. They do not move
>>> together, although this is close enough. Is this the expected behavior?
>>>
>>> A possibly relevant data point: On the machine where the pvpython server
>>> is running, there is a little undecorated window that appears, and the view
>>> that I see in there is the one that moves with the mouse. But I can't seem
>>> to control which view is visible there. Most of the time it seems to be the
>>> one I draw second, but not all the time. What is this window and what can
>>> it tell me?
>>>
>>> One other issue:
>>>
>>>  - When I make one of the views invisible (by simply not rendering it in
>>> the parent React object) I can't get it to render when it reappears. The
>>> render function is being invoked, but nothing appears. If I refresh the
>>> whole page, it appears again.
>>>
>>>
>>> Thank you,
>>>
>>>  -Tom
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>
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