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"Thies Heidecke" <h3i### [at] gmx net> wrote in message
news:3d6bf04a@news.povray.org...
> "Pandora" <pan### [at] pandora-softwarecom> schrieb im Newsbeitrag
> news:3d6bee5e@news.povray.org...
> > Is it DivX'd ?
> > What version ?
>
> It's encoded with the free Version of DivX 5.0
Huh ? Like what-the... Well I dunno where I was looking b4 - I go to
www.divx.com and bingo there it is DivX 5.0!
How long's it been out ? hmm... v.5.0 released 04-03-2002 - it can't
have been that long since I checked, can it ??? Guess it must have been...
Freaky... It feels, like, just yesterday...
(I must be getting old, or something.)
--
Pandora/Scott Hill/[::O:M:C::]Scorpion
Software Engineer.
http://www.pandora-software.com
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Thanks, Thies! That looks great! I was using a sine function applied to the
turbulence (lambda) of a pigment, and had a little success. The problem was
that the clouds would change really quickly between 0 and about 60 degrees,
then not change much at all between 60 and 120 degrees, then start moving
really fast again. It looked awkward. I tried to compensate by using four
different pigments each offset by a few degrees so some were changing
quickly while others weren't, and that helped some. But your solution (and
Greg Johnson must have been suggesting a similar solution) is much better.
And it's a heck of a lot simpler, too.
Regards,
Dave
"Thies Heidecke" <h3i### [at] gmxnet> wrote in message
news:3d6bde35@news.povray.org...
> Hi again,
>
> I made an example-scene which shows the basic use of it.
> Sorry for the pseudo-code in my last post, was a bit lazy..
>
> To get the formula to work within POV one has to use
> a pattern-function. The cyclic-animation Trick works
> by making a Linear-Interpolation between two instances
> of the cloud-pattern. The Trick is to translate the second
> pattern in such a way that it is identical to the first
> pattern when the loop is finished. Thats actually what the
> formula does.
> feel free to ask if something's still unclear.
>
> Greetings,
> Thies
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