[vtkusers] Qt + Vtk - Callbacks and signals/slots

[Anka Kochanowska]

Does your class has a

Q_OBJECT

macro included?

Anka





On Wed, Aug 21, 2013 at 6:09 PM, Jose Ignacio Prieto <
joseignacio.prieto at gmail.com> wrote:

> Hi all,
> I think I am not fully understanding callbacks and signals. I have a qt
> project where the ui loads a vtk renderwindow. That render window has a
> callback (a box widget that has to update the clipping planes of the
> vtkvolume). After that I would like that inside the callback it emits a
> signal and the qvtkwidget then calls its renderwindow and renders all.
> I couldn't emit a signal, so I made the class mycallback to inherit both
> from vtkcommand and qobject, and now it doesn't compile showing
>
> undefined reference to `vtable for vtkBoxCallback'
>
>
> What should I do?
> Thanks
>
> --
> José Ignacio Prieto
> celular(nuevo): 94348182
>
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