[pstricks] pst-3dplot
Herbert Voss
Herbert.Voss at fu-berlin.de
Fri Jan 7 20:14:50 CET 2022
Am 07.01.22 um 18:08 schrieb Patrice MEGRET:
>
> I have a small problem with pst-3dplot.
>
> \begin{pspicture}(-3,-3)(3,3)
>
> \psset{Alpha=90,Beta=30}
>
> %\pstThreeDCoor[linecolor=red,xMax=4,yMax=4.5,zMax=3.5]
>
Patrice,
see documentation, page 5, the last two sentences:
\pstThreeDCoor[drawing=false]
Herbert
> \parametricplotThreeD[xPlotpoints=100,yPlotpoints=20](-90,90)(0,180){%
>
> 1.5t cos u sin mul mul %
>
> 4t sin u sin mul mul %
>
> 3u cos mul}
>
> \parametricplotThreeD[yPlotpoints=20,xPlotpoints=100](0,180)(-90,90){%
>
> 1.5u cos t sin mul mul %
>
> 4u sin t sin mul mul %
>
> 3t cos mul}
>
> \end{pspicture}
>
> \end{document}
>
> When I used “\pstThreeDCoor[linecolor=red,xMax=4,yMax=4.5,zMax=3.5]”
> the first graph, the second is wrong if
> ”\pstThreeDCoor[linecolor=red,xMax=4,yMax=4.5,zMax=3.5]” is commented out.
>
> If there are no \pstThreeDcoor at all, it is also correct.
>
> It seems that Alpha and Beta are not set properly.
>
>
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