Quote - look the script is giving you extra settings. but in the default render window you have all GC settings that you need.

so you turn GC on and tehn you can go in the D3D

Yes, I am quite able to get that far on my own brain power. It's not a chore at all.
My question was answered by grichter in the second post, but thanks for everyone's input.

"If I were a shadow, I know I wouldn't like to be half of what I should be."
Mr Otsuka, the old black tomcat in Kafka on the Shore (Haruki Murakami)