Yup.  Use *one* media statement ( media {....}) and put 3 density statements
with gradient x, gradient y, and gradient z.  Use one color_map for all of
these; something like:
color_map {
[0 rgb 1]
[.1 rgb 1]
[.1 rgb 0]
[1 rgb 0]
}

Put this in a large box with lotsa samples and there you go!

H.E. Day

Heimo Truhetz wrote:

> To produce some specialeffects I'd like to use the media-statement. It's
> possible to change the medias density by choosing a different
> density-function like sine_wave or cubic_wave combined with some
> pattern-types like gradient, boxed... . But that's not enough for me!
> I'd like to create my own density as a function of a spacegrid. It's result
> should be a kind of density-distribution over a given spacegrid.
>
> Does anybody know how to get this?
>
> Bye,
>
> Heimo

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