[vtkusers] interrupt the vtkRenderWindowInteractor?

[Jeff Lee]

Steven.Aston at tessella.com wrote:

>Hello,
>
>I am new to  VTK, so please be patient with this question.
>
>I have written a small application in Java (1.4.1) which has a swing GUI
>which runs in the main thread and a vtkRenderWindow (using vtk 4.0) which
>runs in a separate thread.  These windows are displayed simultaneously.  I
>would like the user to be able to interact directly with the image in the
>render window via a vtkRenderWindowInteractor (which works) but also allow
>the image to be manipulated from elsewhere, such as being automatically
>rotated on  a button press from the GUI (which doesn't work, unless a
>window resize is also invoked).
>
>I understand that the interactor has its own event loop, so simply updating
>the active camera angle of the renderer and calling render doesn't work
>because this is outside the interactors event loop.  How should I go about
>interrupting or adding to the interactor, is this a question of adding an
>observer? I would very much appreciate any suggestions.
>
Are you using vtkPanel?
-Jeff

>
>Thanks in advance.
>
>Steve
>
>
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