"Ron Parker" <ron### [at] povrayorg> wrote in message
news:slr### [at] fwicom...
>
> When I came up with the syntax, I considered the possibility that it would
> drive people mad, but I thought that the alternative - that y'all would
> think the ray actually has an endpoint - was no better.  So I kept it the
> way it is.
>

Hmm, my confusion was/is whether the direction is relative to the start
point or relative to <0,0,0> (rather than whether the trace has an
endpoint).

A quick look at the relevant example in the help serves to remind me if I
think REALLY hard.

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