"Hugo" <hua### [at] post3teledk> wrote in message
news:3cce861a$1@news.povray.org...
> But is there an easy article on the net, that I should read to understand> more of this stuff?>
http://www.darwin3d.com/gdm1999.htm#gdm0499
has some cool c source code with exe's for this sort of thing
jim