[vtkusers] How to multithread from TCL?

[bzigon at iquest.net]

Gang

I have a simple request. Have a dual proc machine. 
I render 1 image to a viewport and then render another image
to the same viewport from TCL. The problem is that only one
of my cpu's gets utilized.

How do I render both images in parallel and then render them to
the viewport? 

If you have a very simple example you could email me, that would be great!

Bob