[vtkusers] Xlib: unexpected async reply

Stefan Bruckner stefan.bruckner at chello.at
Sun Sep 15 09:29:31 EDT 2002


I have found a solution for my problem that seems to work. I just wanted
to post it here, maybe other people are struggling with this problem
too.

I perform explicit mutual exclusion by calling Qt's QApplication::lock()
/ QApplication::unlock() before / after calling
vtkRenderWindow::Render().

This works very well. The main thread doesn't seem to be blocked very
long by that (at least it performs much better this way - when I posted
paint events every time I wanted to redraw it really was unacceptable)
... 

Thanks for your help anyway!

--
Stefan Bruckner


Am Fre, 2002-09-13 um 16.34 schrieb stefan.bruckner at chello.at:
> Hi! 
>  
> I'm using vtk with Qt (utilizing vtk_qt by Carsten Kuebler). I want 
> to do rendering in a seperate QThread, but I always get "Xlib: 
> unexpected async reply" errors and no rendering is done. 
>  
> Can anybody help me on this? 
>  
> -- 
> Thanks, 
> Stefan Bruckner 
> 
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