Hello, Bone-Idol...
It's always nice to hear that a quick explanation has such a positive outcome for someone. We've all been there, and as Granny Nance said there are always new things to learn, so I say "bug away"!
Happy rendering!
Izi

"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)