Hello,<br><br>I don&#39;t know what you want to reach. Maybe you can use the package pstricks-add which provide the command plotNoMax.<br><br>Here an example:<br><br>%%%%<br>\documentclass{book}<br>\pagestyle{empty}<br>\usepackage{filecontents}<br>
\begin{filecontents}{chlora.dat}<br>2.5 0.0006 -0.00006 0.00006<br>5 0.0023 -0.00030 0.00030<br>8 0.0043 -0.00087 0.00087<br>12 0.0070 -0.00038 0.00038<br>24 0.0260 -0.00282 0.00282<br>96 0.1070 -0.01009 0.01009<br>\end{filecontents}<br>
<br>\begin{filecontents}{chlorb.dat}<br>2.5 0.000125 -0.000019 0.000019<br>5 0.000871 -0.000115 0.000115<br>8 0.001662 -0.000363 0.000363<br>12 0.002551 -0.000074 0.000074<br>24 0.010362 -0.000791 0.000791<br>96 0.041813 -0.003139 0.003139<br>
\end{filecontents}<br><br>\usepackage{pstricks,pst-plot}<br>\usepackage{pstricks-add}<br>\psset{xunit=0.15cm,yunit=80cm,runit=1cm}<br>\begin{document}<br>% \readdata{\Data}{chlora.dat}\psset{dotscale=.8}<br>\readdata{\Data}{chlorb.dat}\psset{dotscale=.8}<br>
\begin{pspicture}(-.1,-.1)(100,0.07)<br>  \psaxes[Dx=5,Dy=0.02]{-&gt;}(100,0.06)<br>\listplot[plotstyle=line,showpoints=true,plotNo=1,plotNoMax=3]{\Data}<br>\listplot[plotstyle=bar,linecolor=green,showpoints=true,plotNo=1,plotNoMax=3]{\Data}<br>
\listplot[linecolor=red,plotstyle=line,showpoints=true,plotNo=2,plotNoMax=3]{\Data}<br>\listplot[linecolor=blue,plotstyle=line,showpoints=true,plotNo=3,plotNoMax=3]{\Data}<br>\end{pspicture}<br>\end{document}<br>%%%%%%%%%%<br>
<br>regards<br>Marco<br><br>