"Zeger Knaepen" <zeg### [at] studentkuleuvenacbe> schreef in bericht
news:42891a68@news.povray.org...
> "Florian Brucker" <tor### [at] torfboldcom> wrote in message
> news:4289163d$1@news.povray.org...
> > It
> > would be really nice with isosurfaces (wasn't there anyone doing some
> > stuff in that direction?) and with terrain generators or things like
> > that. IIRC it's a standard feature for meshes in most commercial
packages.
>
> But most commercial packages use scanline-rendering, where the speed is
> proportional to the amount of polygons in the scene.  With raytracing,
it's
> different.  The main factor is the image resolution, not the scene-detail.
> Extremely detailed scenes will render faster with raytracing than with
scanline
> rendering.  So I really wonder if a LOD-system for height_fields has any
use :-/
>

Still, that idea of Florian, to apply the technique to isosurfaces, seems
interesting to me. It would not parse faster I suppose, but wouldn't it
render faster?

Thomas

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