"Tom & Lu Melly" <all### [at] tomandlucouk> wrote in message
news:3eb18673@news.povray.org...

<snip>

It does occur to me that the solution I posted might not be what you are
after, in that the image will be mirrored around two axis. If you want a
more natural tileable image, my only suggestion (but I'm sure that there are
others), would be a function that returned the same values at x*-1 as x*1 as
well as y*-1 and y*1.

Could a warp or something provide a more general solution? Anyone?

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