Nice idea !!!

--
Luis


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3cc195e1$1@news.povray.org...
> Chris:
>
>   I'll volunteer to do a Morray plug in for your macro ...
>
>                   == John ==
>
> "Chris Colefax" <chr### [at] tagpovrayorg> wrote in message
> news:3cb6daa9@news.povray.org...
> > Another example, and some answers:
> >
> > As many deduced, and Gilles illustrated, the clouds are POV-Ray pigments
> > billboarded onto semi-transparent objects.  And, as Gilles pointed out,
I
> > first posted an example of this back in Sep 2000 (see
> > http://news.povray.org/povray.binaries.images/12959/).
> >
> > I recently sat down with 3.5, though, and attacked the idea again with
all
> > of the new features available.  However, after trying various pattern
> > functions I discovered my original 3.1 code gave faster, more attractive
> > results.  These last two postings, then, don't use any 3.5 features - no
> > function patterns or otherwise.
> >
> > From my experiments, I would say the technique is best for creating
> cumulus
> > clouds - i.e. puffy, medium height "cotton wool" clouds.  The hard edges
> in
> > the last post, and the depth of fog, basically replicate what I see when
I
> > look outside my window every day!  Of course, it's very easy to soften
the
> > cloud textures, and to reduce the amount of fog.  Because the clouds are
> > individual objects, you can have complete control over their placement
in
> a
> > scene, and they are focal-blur compatible.  I've also created various
> > animations, flying from below to above the clouds, through the clouds,
> > around the clouds, etc., and the results are reasonably effective.
> >
> > Now the downsides - because the clouds are flat objects and designed to
> look
> > best from the camera's viewpoint, there can be problems with reflections
> and
> > shadowing.  I am working on solutions for this, which I don't think
should
> > be too difficult.  I also want to build in more sun-lighting features,
and
> > possibly combine the cloud generation with other related effects...
> >
> >
> >
>
>

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