> Paul Bourke spake:
>
> > I used PovRay to create a number of illustrations for a Vision Research
> > paper
> >    http://astronomy.swin.edu.au/~pbourke/papers/visres/visres.pdf

I just stumbled upon this posting because I saw science metnionned. Nice.
In fact, I stumbled upon your web site last week when trying to learn about
fractals.  I ended up coding PovRay to make those intriguing Peter De Jong
Attractor graphs you have at your site.  One image is below.  Because I set
it up to randomly assign the a,b,c,d vlaues, I added the a,b,c,d values in
the corner so I could remake them if I want.
Thanks for making math fascinating and elegant.
Wayne

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