[vtk-developers] VTK Web with no window opened by the VTK server

[Dan Lipsa]

On Thu, Aug 31, 2017 at 11:35 AM, Sebastien Jourdain <
sebastien.jourdain at kitware.com> wrote:

> The solution was in my first email
>
> => If you use pvbatch, that should work out of the box with
> PV_ALLOW_BATCH_INTERACTION=1.
>

Nice! This does work. Sorry, I missed this.



>
> For the window part ask Utkarsh since he did that work a couple weeks ago
> on ParaView...
>
> On Thu, Aug 31, 2017 at 9:30 AM, Dan Lipsa <dan.lipsa at kitware.com> wrote:
>
>> On Thu, Aug 31, 2017 at 11:20 AM, Sebastien Jourdain <
>> sebastien.jourdain at kitware.com> wrote:
>>
>>> And then if you use pvbatch instead of pvpython, that window disappear
>>> the way you want...
>>>
>>
>> While this works to show the cone on the client, it crashes when you try
>> to interact with it. I've seen the same
>> behavior for the VTK server if you don't set the interactor at all.
>>
>>
>> There are many reasons why that's the case but mostly history. What
>>> ParaView is doing is figuring out at runtime which render window it should
>>> instantiate.
>>> Since you are not in ParaView, you have to implement that logic yourself.
>>>
>>
>> I think it chooses different render windows only if EGL or OSMesa are
>> available. Otherwise it just sets OffScreenRenderingOn(). I'll dig to see
>> what else it does so that no window shows.
>>
>> Thanks Seb.
>>
>> Dan
>>
>>
>
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