[pstricks] PSMatrix and Node labels

[Herbert Voss]

Thomas Mensink schrieb:

> I have a PSMatrix with two kinds of nodes, circles (with text inside)
> and gray squares, and there are some arrows.
> This is easy using the psmatrix environment
> 
> eg:
> \newcommand{\PN}[2]{[name=#1,mnode=oval,linewidth=0.1mm]{\ensuremath{#2}}}
> \newcommand{\FN}[1]{[name=#1,mnode=f,fillstyle=solid,fillcolor=lightgray]}
> \begin{psmatrix}
> 	\PN{pn1}{1} & & \FN{fna}&
> 	\PN{pn2}{2} & & \FN{fnb}&
> 	\PN{pn3}{3} & & \FN{fnc}&
> 	\PN{pn4}{4}\\
> %draw some lines
> \psset{shortput=nab,labelsep=3pt}
> 	\ncline{pn1}{fna}

e.g.:
	\ncline{pn1}{fna}\uput{2ex}[90](fna){$f_1$}

> 	\ncline{fna}{pn2}
> 	\ncline{pn2}{fnb}
> 	\ncline{fnb}{pn3}
> 	\ncline{pn3}{fnc}
> 	\ncline{fnc}{pn4}
> \end{psmatrix}
> 
> However, I want to add a label below (or above) the squares denoting
> what the mean (eg the label f_1)

Herbert