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Well, Hymyly,
you know how it is with these POV macros: some things you can adjust, but
not everything. The sex with the cloud macro will be a bit boring, I can
tell you - you can't do the certain, more exciting techniques, you just can
follow the given parameters...
Sven
"Hymyly" <chr### [at] hotmail com> schrieb im Newsbeitrag
news:web.47a746bebaeb603d63108fea0@news.povray.org...
> David Buck skribis:
>> Is there a better more modern way to create spectacular clouds? Many of
>> the clouds I'm seeing seem to go beyond the simple texturing technique I
>> used to use.
>
> Project Tierra, an automated landscape generation macro by Jaime Vives
> Piqueres
> has the most beautiful clouds I've ever seen in POV-ray. It contains
> macros for
> both cumulus and cirrus clouds, and the basic technique for creating one
> cloud
> is this (if I read the code correctly).
>
> 1. Creating a union of spheres randomly jittered about a central point.
> 2. Using this union object as a pigment function. (Inside = 1, outside =
> 0)
> 3. Adding some turbulence for fluffiness.
> 4. Using the resulting function as a density function for a scattering
> medium.
>
> See for yourself at:
>
> http://www.ignorancia.org/en/index.php?page=Project_Tierra
>
> Personally, I like this macro so much I want to have sex with it.
>
> Hymyly.
> And there was light.
>
>
>
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