Castle Poser tried to explain every node.

Some found it helpful.

Questions like Laurie asked earlier are perplexing to me.

The exp, max, min, sin, cos, etc. functions, for example, are taught in math class, not in CG artist class. How you use them is like asking how you use a pencil.

You hold it, press it against paper, and move it around. It will leave behind some dark marks.

Now - go sketch a portrait with a pencil.

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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)