[vtkusers] How to query actors visible in the render window

[David E DeMarle]

vtkAreaPicker

On 9/19/07, Weiguang Guan <guanw at rhpcs.mcmaster.ca> wrote:
>
> Hello,
>
> Is there a way to determine which actors are visible in the render window
> (those that are not clipped by the viewing frustum) ? Thanks.
>
> Weiguang
>
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