"MichaelJF" <mi-### [at] t-onlinede> wrote:
> Le_Forgeron <jgr### [at] freefr> wrote:
> > Le 03/01/2015 10:13, Warp a écrit :
> > > Anthony D. Baye <Sha### [at] spamnomorehotmailcom> wrote:
> > >> So povray's textures are supposed to be 3D, and indeed the patterns are
> > >> demonstrably three-dimensional, however they do not seem to be sampled for the
> > >> inside of an object.
> > >
> > >> So I guess my question is: Why not?
> > >
> > > POV-Ray renders *surfaces*.
> > >
> > Sampling 3D is done with media (and there is three kind of them), inside
> > surface.
>
>
> Obviously media are the way to go. A good way here may be the use of df3-files.
> Bill Pokorny has given the link to an interesting visualisation tool just some
> days ago
>
> http://news.povray.org/povray.general/thread/%3C54a2dc7e%241%40news.povray.org%3E/
>
> Of course one must generate or obtain the df3-files first. But this is another
> story...
>
> Best regards,
> Michael

There's a key difference between media and textures. Textures have finishes.

As for Warps glib response about povray only rendering surfaces: that hasn't
been true since media was added. Subsurface scattering is also b.d. not on the
surface.  Why can't textures be sampled for the interior as well?

A.D.B.

Post a reply to this message