[vtkusers] How to estimate render time

[Massimo Bortolato]

Hi all,

I have my program slow in executing vtkRenderWindow::Render() (or maybe vtkRenderer::Render() ??) so I wonder if there is any event I can listen to to avoid the application looking freezed (for example I’d like to show a progress bar...)

Thankyou in advance!
Massimo
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