[vtkusers] Rendering with long interval

[Dejan Zivkovic]

I have (in a huge application) a vtk scene that is updated with Qt timer
every 30ms (some updates and GetRenderWindowI)->Render()). This animation
worked so far, and now it shows only black screen. One thing that changed
is that the application does much more processing in the main thread, so
these Qt update-render call is called not so often (delay is a few
seconds). Is that the possible reason for just showing black screen?

If the Render() method is called rarely, does the animations shows?
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