Geoff Wedig schrieb in Nachricht <3aeefb25@news.povray.org>...
>Well, this sort of reparameterization isn't in the manuals, really.
The isosurface manual at http://users.skynet.be/smellenbergh/ covers the
substitution of parameters quite good IIRC. Not exactly your though. BTW:
wouldn't it be easier to use the build-in functions TH and R for that (never
tried myself though)?
Marc-Hendrik
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