[pstricks] another confusion about \parametricplotThreeD

Herbert Voss Herbert.Voss at FU-Berlin.DE
Mon Jan 2 15:59:29 CET 2012

Am 01.01.2012 23:31, schrieb Nitecki, Zbigniew H.:
> I have a confusing situation:  the code below leads to the attached figure, which is OK except that the green curves
> are supposed to be in the xz-plane (they have y=0) but instead they are in the yz-plane.  What can cause this anomaly?
> BTW, can one use an algebraic notation option (instead of reverse Polish=postscript) in \parametricplotThreeD?

I already send you an example with algebraic notation

> \parametricplotThreeD[linecolor=green](-3,3){%
> t
> 0
> t dup t mul 36 add sqrt 3 div
> }

the same problem as in your another example, a missing mul

t dup t mul mul 36 add sqrt 3 div


t 3 exp

instead, then it is easier or use algrbraic noattion


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