"gramirosimancas" <nomail@nomail> wrote in
news:web.3f4d28bf8f004971d63a77300@news.povray.org: 

> Thorsten Froehlich wrote:

[snip]

> In the 2d case where "pyramid raytracing" is used successfully in many
> vector drawing programs and render libs there is an alias removal bost
> while compared to bad libraries that do simple pixel sampling
> (equivalent to 3d raytracing).
> An example library that does this kind of antialiasing in the 2d world
> is http://www.levien.com/libart/
> 
> No current antialias method in povray can cope with a simple checker
> surface at any distance while using pyramid raytracing have always best
> results at any distance. If you use a checker structure with a program
> that uses libart you'll see there's no energy lost at any distance (i.e.
> the picture is neither completely black nor completely white.

Although I am far from being qualified to add to this discusion, I would be
very curious to see such a picture. 

-- 
(MIKA) Marc Champagne
marcch.AT.videotron.DOT.ca
Montreal, CANADA

Post a reply to this message