[vtkusers] Re: too much flicker under Linux

[Nigel Nunn]

[prabhu at aero.iitm.ernet.in] wrote: 
 
> The one big problem I have with wx + VTK + Python widget 
> is that there is too much flicker under Linux.  I dont 
> know if this has been fixed in any recent release but a 
> search on google and the archives of wx didnt seem to 
> shed any light.  This problem had been mentioned earlier
> on this list too.  Would be happy to know the current 
> status on this.
 
We can cause flicker under Win32/OpenGL if the Win32 window 
is allowed to erase its background before the Vtk-OpenGL 
rendering begins.  We fix this by not erasing the window. 
Perhaps something similar is happening in your widget? 
Nigel.