[vtk-developers] Timer in vtkOpenVRRenderWindowInteractor

Ken Martin ken.martin at kitware.com
Mon Oct 30 14:16:48 EDT 2017


One way to do animation is to use an observer on the render's StartEvent
and update your items there.

Thanks!
Ken

On Tue, Oct 17, 2017 at 1:24 AM, Florence8627 <florence.wang at csiro.au>
wrote:

> I am having issues in creating a repeating timer with
> vtkOpenVRRenderWindowInteractor..
> I definied a vtkTimerCallback class just like how timer is used in normal
> vtkRenderWindowInteractor Then, // assuming iren is the interactor pointer
>   vtkNew<vtkOpenVRRenderWindowInteractor> iren;
>   iren->Initialize();
> // Sign up to receive TimerEvent
>   vtkSmartPointer<vtkTimerCallback2> cb =
> vtkSmartPointer<vtkTimerCallback2>::New();
>   iren->AddObserver(vtkCommand::TimerEvent, cb);
>   iren->CreateRepeatingTimer(1000);
>   iren->Start();
>
> It seems after start() is called the timer is blocked. Does anyone have any
> clue how to run a timer in vtkOpenVR module ? Or anyway of doing animation
> in vtkOpenVR module?
>
> Thanks !
>
>
>
>
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-- 
Ken Martin PhD
Distinguished Engineer
Kitware Inc.
28 Corporate Drive
Clifton Park NY 12065

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