[vtkusers] Why I can't create a global vtkPolyData instance?

[David Doria]

On Tue, May 1, 2012 at 8:44 AM, Wenlong <scc.wwl at gmail.com> wrote:
> Hi, Alex
>
> Many thanks to your reply. It is working now.
>
> Thank you very much.
>
> Best wishes
> Wenlong

Though that works, you should really really try to avoid global
variables like that. Once your code gets to be a couple hundred lines,
it will surely be very hard to follow/keep track of.

David