[pstricks] About pst-solides 3d

[Herbert Voss]

Am 16.08.2010 18:26, schrieb mathias legrand:

> I'm considering example ex2.tex from http://tug.org/PSTricks/main.cgi/
> Is there a chance that soon, this piece of code will provide
> an image correctly showing what's before the blue plane, and what's
> behind it?
> In this example, everything is behind it, and should not: not an easy task
> probably.

that is already possible ...
When using a plane you have to use the extension _s for
the planes name.

\documentclass{article}
\usepackage{pst-solides3d}
\pagestyle{empty}

\begin{document}

\begin{pspicture}(-5,-5)(7,9)
  \psset{viewpoint=20 10 10,Decran=40,lightsrc=20 10 5,solidmemory}
  \defFunction{cone}(u,v){u v Cos mul}{u v Sin mul}{u}
  \psSolid[object=surfaceparametree,base=-2 2 0 2 pi mul,
     inhue=0.8 0.2,hue=0.8 0.2,
     function=cone,linewidth=0.5\pslinewidth,
     ngrid=25 40,fillcolor=cyan!50,
     intersectionplan={[1 0 0 -1]},
     intersectioncolor=(bleu),
     intersectionlinewidth=3,
     intersectiontype=0,
     name=XYZ,action=none]%
  \psSolid[object=plan,definition=equation,
    args={[1 0 0 -1]},
    fillcolor=blue!50,
    base=-2 2 -2.5 2.5,ngrid=30 30,action=none,name=Plane]
  \psSolid[object=fusion,base=XYZ Plane_s,action=draw**]
  \gridIIID[Zmin=-2,Zmax=2](-2,2)(-2,2)
\end{pspicture}

\end{document}

Herbert
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