[pstricks] small change

[Germain BOYER]

Bonjour,

I do a small change to have #1 = dotxlength

\newcommand*{\psdotx}[3][0.30cm]{%
\pnode#2{thenode}
\multido{\r=#3+90 , \ra=1+1}{4}{%
\pnode([unit=#1,nodesep=0.5,angle=\r]thenode){thenode\ra}
\psline(thenode)(thenode\ra)%
}% fin du \multido
}% fin de \newcommand

Germain
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