There was a post here somewhere by somebody (sorry... memory failing... need
more coffee...) that gave a good overview of the existing rendering
techniques.
Basically, scanline uses Z-buffering to sort polygons by their distance from
the viewpoint. Rendering is fast, but reflections/refractions and many other
things can't be done directly; instead they have to be "mapped" onto objects
and this is not very precise. The two methods can be used together (3DSMax,
for example).

Margus

Kyle wrote in message <36B76C24.ADD718EF@geocities.com>...
>Really?  I didn't know that.  That's one thing I've never understood.
>What's the difference between a scanline and a raytracing engine?  All I
>know is that 3DS has a scanline renderer and it's considerably faster
>than POVray.  Not as god quality though I don't think.
> Kyle

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