[vtkusers] How to get poits of the output polydata of a vtkcutter( has pieces instead of points)?

[Bill Lorensen]

This is a common error. VTK's pipeline is demand driven. When you set
up the connections, you are just establishing a pipeline. Unless the
pipeline is requested to update (via a render, or an Update
typically), none of the outputs will be up-to-date.

On Thu, Feb 16, 2012 at 1:06 PM, soheilghafurian
<soheilghafurian at yahoo.com> wrote:
> Thanks a lot Jothy. That was missing!! I used getvalue and I thought it
> didn't need updating!!
>
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