[vtkusers] vtkCommand calldata parameter of Execute()

[Sebastien Jourdain]

Forget about callback and anything relative to that... Just get the
information you want from the scene at each "tick".
For that make sure you're vtkCommand has a reference to the scene and
you don't get it from the callback parameters...

On Tue, Jan 3, 2012 at 2:24 AM, Luke <hazelnusse at gmail.com> wrote:
> On Mon, Jan 2, 2012 at 3:43 PM, Sebastien Jourdain
> <sebastien.jourdain at kitware.com> wrote:
>> Then you are looking at the wrong side of the problem. Try to get and
>> keep a reference of the object you are interested in and fetch the
>> information that you need each time you get a callback (with no
>> parameter).
>>
>
> I'm not sure what you mean.  Could you be more specific?
>
> Is there a simple way you can modify [0] so that a pointer from main()
> could be passed to vtkTimerCallback2::Execute() every time the timer
> event occurs?  This is all I want to do but I am unclear on how to
> register that pointer with the appropriate class.
>
> Thanks,
> ~Luke
>
> [0] -- http://www.vtk.org/Wiki/VTK/Examples/Cxx/Utilities/Animation