Prioritize Director thread

[farshizzo]

What exactly are you trying to accomplish? Are you trying to manually implement field sequential stereo? It is generally not possible to do this, and you will need hardware to perform the swapping for you.

Either way, the viz.waitframe(1) command will wait for the next frame to be rendered by Vizard. So if you perform some long file loading operation then the frame will not be rendered until this is complete. So I'm not sure how increasing the priority of your thread will have any effect.