Hi Shawn Thank you so much. I wouldn't have been able to work it out without your Tutorial.

The only strange thing that I encountered is that if I save the z Depth image in Vue as an "exr", it's a blank image, when I open it in PhotoShop. 

Adriaan Barel (a.k.a. Vege Mite)
"Morality, like art, means drawing a line someplace." -- Oscar Wilde