[vtkusers] Question for C++ Gurus!

[vidyadhar]

Hi,
You can use SetClientData method of vtkCallbackCommand and give it reference
to your class instance. This reference comes back in the static method which
you can typecast and use.
HTH
----- Original Message -----
From: "Jessica Weiner" <suspended at gmail.com>
To: <vtkusers at vtk.org>
Sent: Wednesday, March 22, 2006 10:15 PM
Subject: [vtkusers] Question for C++ Gurus!


> I am capturing left mouse click events in my vtk scene. Whenever the left
> mouse button is released I want to change the vtk scene somehow. My event
> handler method (myKeyPressCallback) is a static method and therefor it
does
> not have access to the variables of the class it belongs to. I would like
to
> have a pointer to the parent class (CSdiogl2View) inside the event handler
> which has all the actors. How can this be done? I have written my code
like
> this:
>
>
> vtkCallbackCommand * keypressCB = vtkCallbackCommand::New();
>  keypressCB->SetCallback(&CSdiogl2View::myKeyPressCallback);
>
> style = vtkInteractorStyleTrackballActor::New();
> style->AddObserver(vtkCommand::LeftButtonReleaseEvent,keypressCB);
> iren->SetInteractorStyle(style);
>
> Thanks.
> Jess
>
>
>