[pstricks] Strange behavior of \CircleThreeD

[A. Erhardt]

Hello, Herbert Voss
(I sure hope, this email address is still valid, I had asked my last question in 2013)

I need a 3d Sphere without the grid. Shading etc. will be added, that is not the problem.
The problem is \CircleThreeD:
 
a)\SphereThreeD works fine, as it should - here my minimal code: (See attachment)
\begin{document}
\begin{pspicture}(-5,0)(15,10)
\psset{unit=10.0mm}
\SphereThreeD(0,0,0){30}
\end{pspicture}%
\end{document}

b)\CircleThreeD produces an ellipse - why?- here my minimal code:  (See attachment)
\begin{document}
\begin{pspicture}(-5,0)(15,10)
\psset{unit=10.0mm}
\CircleThreeD(0,0,0){30}
\end{pspicture}%
\end{document}


Thank you in advance for any hint!
Angelika Erhardt
(Dante member 2018)
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