1 \section{Numbering of the vertices
}
3 There is an option that permits the marking of the
\Index{vertices
} (with a black circle) and/or numbers them either globally or individually.
5 \item \texttt{\Lkeyword{show
}=all
} marks all the vertices;
6 \item \texttt{\Lkeyword{num
}=all
} numbers all the vertices;
7 \item \verb+show=
0 1 2 3+ marks the vertices with the index number
0,
1,
2 and
3;
8 \item \verb+num=
0 1 2 3+ numbers the vertices with the index number
0,
1,
2 and
3.
11 \begin{LTXexample
}[width=
6cm
]
12 \begin{pspicture
}(-
3,-
2.5)(
7,
2.5)
13 \psset{viewpoint=
50 20 20 rtp2xyz,Decran=
40}
25 \begin{LTXexample
}[width=
6cm
]
26 \begin{pspicture
}(-
3,-
2.5)(
7,
2.5)
27 \psset{viewpoint=
50 20 20 rtp2xyz,Decran=
40}