"Thomas de Groot" <t.d### [at] internlDOTnet> wrote:
> "Bruno Cabasson" <bru### [at] alcatelaleniaspacefr> schreef in bericht
> news:web.4746b46aee83a16ce8ba46670@news.povray.org...
>
> > I used a kind of 'fadeaway' technique for my snow texture for TerraPOV,
> > and I
> > posted recently and test render here. It is based on the distance wrt
> > camera
> > (use of spherical pattern): when near it is one texture, when far it tends
> > to
> > be a plain color (or whatever else). I intend to integrate fadeaway
> > texturing
> > macros like this in TerraPOV, because terrain pigments become plain colors
> > with
> > distance. Something like this can be applied to sand (same problem). It
> > can also
> > be used for other purposes, of course.
> >
>
> Another possibility, I guess, would be to use the boxed or the cylindrical
> patterns. Maybe cylindrical would be better than spherical in a landscape?
> What do you think?
>
> Thomas

Spherical and cylindrical patterns are equivalent when the camera is near the
ground. But if the camera is positionned high, only spherical is correct to
make things depend on distance.

    Bruno

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