"LanuHum" <Lan### [at] yandexru> wrote:
>
> Give in range:
> You have empty: list drive C: and install Povray
> Step 1. You open Povray and create scene:
> global_setting...
> camera...
> light_source
> box{<-1,-1,-1> <1,1,1>}
>
> Step 2. You have apply media with density using df3.
> What do you do?

df3 density files are often used to generate clouds. The most prominent approach
is given by Gilles Tran at www.oyonale.com (Cloud Generator). You can get an
idea and sample programs to play with:

http://www.oyonale.com/modeles.php?lang=en&page=36

There are other uses of and methods to create df3 files as Le Forgeron pointed
out, but this should give you a first impression.

Best regards,
Michael

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