> I think he did ask the questions. He wants to know what the
> aforementioned functions do and how to control them.
Yep. But maybe he wants to know more than just the few functions implemented
POVRay. Maybe some more on vector algebra?
I think it is more important to understand the vector algebra first before
looking at the implementation.
But anyway, the functions are at least a base for a discussion. Let's see if
I can write a short AND understandable explanation..... but for now I have
to do something else. It's on the list ;-)
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