Cath,

I'm so happy it worked right. You're test image is spectacular. I didn't try any other situations, so it's great to see that it did the right thing.

Robo - Glad you got it sorted out. In case you really have to know, those nodes are just Simple_Color or Math_Functions. But even if you tried to build it - how could you? I didn't show you the rest of the nodes. There are a lot more nodes. In my screenshots I just showed you the ones you have to touch.

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Renderosity forum reply notifications are wonky. If I read a follow-up in a thread, but I don't myself reply, then notifications no longer happen AT ALL on that thread. So if I seem to be ignoring a question, that's why. (Updated September 23, 2019)