"Christoph Hormann" <chr### [at] gmxde> schreef in bericht
news:cd2s1c$3fe$1@chho.imagico.de...
> Thomas de Groot wrote:
> > [...]Using rotate doesn't work
> > (except around the vertical axis). Is that possible?
> > [...]
> >
> > isosurface {
> >   function {y - P(x, 1, 1-z)}
>
> What did you expect?  The result of P does not depend on the vertical
> coordinate.
>
Hmm... Consider me as a moron where maths is concerned (very far in the
past, and not a dayly meal). So, please take me by the hand and explain what
I should do. After all I used here the function once provided by Mike
Williams, and I do not pretend to understand exactly what it does...

Thomas

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