"Alex Kluchikov" <klk### [at] ukrnet> wrote in message
news:40a1ed5a@news.povray.org...
[...]
>   The real trick is plane texture. I found out a way to create checker bump.
> It is multiplication of 2 perpendicular sines (sin(x)*sin(z)), powered and
> normalized into range of (0, 1). This pattern looks like blurred checker and
> appears to be very suitable for bumping. If you want more detailed
> description, I'll post the source.
[...]

Very nice!  Did you post source? If so, where?
I would appreciate if you do.
Thanks!

--Jim

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