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Fantastic! I have saved the sample images, and if you could post the source
for your include file I will start using it in all my projects. Thanks.
"JRG" <jrg### [at] hotmailcom> wrote in message
news:3b80d15f@news.povray.org...
> I began modifying the finish definitions of the standard metals.inc. The
> pigment were right to me, but they looked really too dark with the new
> finishes. So I normalized every color vector ( < r, g, b > / vlength (< r,
> g, b > ) ) and then I multiplied it by sqrt(3) in order to get every color
> vector as bright as <1,1,1> ( if a normalized vector is one unit long and
> you multiply it by sqrt (3) you have a color vector as long (i.e. bright)
as
> <1,1,1> since vlength (<1,1,1>) = sqrt ( 1^2 + 1^2 + 1^2) = sqrt (3)).
Then
> I lowered each value to get the right brightness. Here follow some (badly
> compressed :-\ ) examples. As an aside, if you want the whole .inc file
> just ask.
> Cheers,
>
> --
> Jonathan.
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