"Tim McMurdo" <jod### [at] wohrrcom> schreef in bericht
news:web.4351606455de2096395d82550@news.povray.org...
>
> The Norm is reguired by the the slope function.
>
I am not sure I understand this. Because in your original example Norm did
not seem to be used.
Do you mean that Norm is what in the docs is called  the <Direction> of
slope? That would make sense to me.

Thomas

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