Q: vtkMultiThreader crash

[Audrius Stundzia]

Hi Lisa,

I celebrated the 4th by solving my problem. I can now have 2 or more
visualization windows displaying stuff concurrently and interactively
without
blocking control. I took your suggestion, then used the X Windows code in
the User Guide and wrote a modified XtAppMainLoop() in my visualization loop
that checks whether or not there are any X events pending before calling the
blocking XtAppNextEvent:

   pending = XtAppPending( context);

   if (pending > 0) 
   {
      XtAppNextEvent(  context
                    , &event );
                 
      XtDispatchEvent( &event);
   }

Thanks again for all your help.
vtk is great software backed by a great team :)

Regards, 

Audrius Stundzia

IBMG

On Fri, 02 Jul 1999 15:31:00 -0400, Lisa Sobierajski Avila wrote:

> Hi Audrius,
> 
> >
> >1. In the event loop, do I just repeatedly call aWindow->Render() for
each
> >   graphics pipeline?
> 
> No - you would write an event loop for X or Windows (I don't remember if
> you mentioned with you are using). For example, if you look at the code
for 
> XtAppMainLoop() in Xt you would need to do something like that - pull
> events off the queue and process them in a loop.
> 
> >2. Having intialized the interactor, can I use the default interaction
> >commands     to rotate, zoom, pick, etc.? The impression I get from your
> >e-mail comment
> >   "(other than interaction)" is that I can't. I need to interact with
the 
> >   actors in the windows esp. rotate and pick.
> 
> If you write an event handling loop as mentioned above all registered
> events would be processed - so you would be able to interact as always in
> each of the render windows.
> 
> 
> >3. If I can interact with the window, do I have to implement the
> >appropriate
> >   interactor callbacks (assuming  #2 is wrong)?
> >
> 
> You only have to implement any specialized ones that you would want. All
> the standard ones would work (rotate, translate, zoom, pick, etc).
> 
> 
> Lisa
> 
> 
> 
>
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