[vtkusers] MakeCurrent error with multiple renderwindows and vtkPropPicker

[Ken Martin]

Right now duplicate the actor and mapper. You can use the same polydata
input just not the same actor/texture/mapper.  In the future we plan to
change this so that multiple render windows can share contexts (and
actors/mappers/etc) but it is still in development.

On Fri, Oct 27, 2017 at 10:31 AM, laurachenlc <laurachenlc at 163.com> wrote:

> thanks Martin, but if I want to show the same data in multiple
> renderwindows, how should I do normally ?
>
>
> At 2017-10-27 20:28:59, "Ken Martin" <ken.martin at kitware.com> wrote:
>
> You cannot share actors across renderwindows right now.
>
> On Fri, Oct 27, 2017 at 12:05 AM, laurachenlc <laurachenlc at 163.com> wrote:
>
>> and the attached is my project on this problem.
>>
>>
>>
>>
>>
>> At 2017-10-27 09:19:43, "LauraLC" <laurachenlc at 163.com> wrote:
>> >Hi,
>> >
>> >I have add the same actor into 2 qvtkWidget,  and for the renderwindow of
>> >one qvtkWidget, I add an InteractorStyle with vtkPropPicker;
>> >now the problem is: if I click the actor in the first qvtkWidget, and then
>> >click it in another qvtkWidget, then click in the first qvtkWidget again,
>> >the error pops up:
>> >---------------
>> >ERROR: In C:\Activiz\VTK7.1\Rendering\OpenGL\vtkWin32OpenGLRenderWindow.cxx,
>> >line 248
>> >vtkWin32OpenGLRenderWindow (000002A17C00FD20): Attempting to call
>> >MakeCurrent for a different window than the one doing the picking, this can
>> >causes crashes and/or bad pick results
>> >-----------------
>> >
>> >is there any body know what's the problem and how to handle it?
>> >
>> >Thanks
>> >
>> >
>> >
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>
>
> --
> Ken Martin PhD
> Distinguished Engineer
> Kitware Inc.
> 28 Corporate Drive
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-- 
Ken Martin PhD
Distinguished Engineer
Kitware Inc.
28 Corporate Drive
Clifton Park NY 12065

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