<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title></title>
<style type="text/css">
<!--
body{margin-left:10px;margin-right:10px;margin-top:10px;margin-bottom:10px;}
-->
</style>
</head>
<body marginleft="10" marginright="10" margintop="10" marginbottom="10">
<div align="left" style="text-align:left;"><font face="Arial" size="+0" color="#000000" style="font-family:Arial;font-size:10pt;color:#000000;">The following (silly) project works</font></div>
<br />
<div align="left" style="text-align:left;"><font face="Arial" size="+0" color="#DD0000" style="font-family:Arial;font-size:10pt;color:#DD0000;">\documentclass{article}</font></div>
<div align="left" style="text-align:left;"><font face="Arial" size="+0" color="#DD0000" style="font-family:Arial;font-size:10pt;color:#DD0000;">\usepackage{multido}</font></div>
<div align="left" style="text-align:left;"><font face="Arial" size="+0" color="#DD0000" style="font-family:Arial;font-size:10pt;color:#DD0000;">\usepackage[x11names]{xcolor}</font></div>
<div align="left" style="text-align:left;"><font face="Arial" size="+0" color="#DD0000" style="font-family:Arial;font-size:10pt;color:#DD0000;">\usepackage{pst-tools}</font></div>
<div align="left" style="text-align:left;"><font face="Arial" size="+0" color="#DD0000" style="font-family:Arial;font-size:10pt;color:#DD0000;">\usepackage{pstricks-add}</font></div>
<br />
<br />
<div align="left" style="text-align:left;"><font face="Arial" size="+0" color="#DD0000" style="font-family:Arial;font-size:10pt;color:#DD0000;">\begin{document}</font></div>
<div align="left" style="text-align:left;"><font face="Arial" size="+0" color="#DD0000" style="font-family:Arial;font-size:10pt;color:#DD0000;">\pstVerb{/nxmax 5 def /nymax 4 def}</font></div>
<div align="left" style="text-align:left;"><font face="Arial" size="+0" color="#DD0000" style="font-family:Arial;font-size:10pt;color:#DD0000;">\psset{linecolor=red}</font></div>
<div align="left" style="text-align:left;"><font face="Arial" size="+0" color="#DD0000" style="font-family:Arial;font-size:10pt;color:#DD0000;">\begin{psgraph}[arrows=->](0,0)(5,4){5cm}{5cm}</font></div>
<div align="left" style="text-align:left;"><font face="Arial" size="+0" color="#DD0000" style="font-family:Arial;font-size:10pt;color:#DD0000;">\multido{\ny=1+1}{4}{</font></div>
<div align="left" style="text-align:left;"><font face="Arial" size="+0" color="#DD0000" style="font-family:Arial;font-size:10pt;color:#DD0000;"> \multido{\nx=1+1}{5}{</font></div>
<div align="left" style="text-align:left;"><font face="Arial" size="+0" color="#DD0000" style="font-family:Arial;font-size:10pt;color:#DD0000;"> \uput{0pt}[90]{0}(!\nx\space \ny\space){\psPrintValue{\nx\space \ny\space mul}}</font></div>
<div align="left" style="text-align:left;"><font face="Arial" size="+0" color="#DD0000" style="font-family:Arial;font-size:10pt;color:#DD0000;"> }</font></div>
<div align="left" style="text-align:left;"><font face="Arial" size="+0" color="#DD0000" style="font-family:Arial;font-size:10pt;color:#DD0000;">}</font></div>
<div align="left" style="text-align:left;"><font face="Arial" size="+0" color="#DD0000" style="font-family:Arial;font-size:10pt;color:#DD0000;">\end{psgraph}</font></div>
<div align="left" style="text-align:left;"><font face="Arial" size="+0" color="#DD0000" style="font-family:Arial;font-size:10pt;color:#DD0000;">\end{document}</font></div>
<br />
<div align="left" style="text-align:left;"><font face="Arial" size="+0" color="#000000" style="font-family:Arial;font-size:10pt;color:#000000;">but I would like to control everything with postscript variables, for instance as follows (which does not work):</font></div>
<br />
<div align="left" style="text-align:left;"><font face="Arial" size="+0" color="#006600" style="font-family:Arial;font-size:10pt;color:#006600;">\documentclass{article}</font></div>
<div align="left" style="text-align:left;"><font face="Arial" size="+0" color="#006600" style="font-family:Arial;font-size:10pt;color:#006600;">\usepackage{multido}</font></div>
<div align="left" style="text-align:left;"><font face="Arial" size="+0" color="#006600" style="font-family:Arial;font-size:10pt;color:#006600;">\usepackage[x11names]{xcolor}</font></div>
<div align="left" style="text-align:left;"><font face="Arial" size="+0" color="#006600" style="font-family:Arial;font-size:10pt;color:#006600;">\usepackage{pst-tools}</font></div>
<div align="left" style="text-align:left;"><font face="Arial" size="+0" color="#006600" style="font-family:Arial;font-size:10pt;color:#006600;">\usepackage{pstricks-add}</font></div>
<br />
<br />
<div align="left" style="text-align:left;"><font face="Arial" size="+0" color="#006600" style="font-family:Arial;font-size:10pt;color:#006600;">\begin{document}</font></div>
<div align="left" style="text-align:left;"><font face="Arial" size="+0" color="#006600" style="font-family:Arial;font-size:10pt;color:#006600;">\pstVerb{/nxmax 5 def /nymax 4 def}</font></div>
<div align="left" style="text-align:left;"><font face="Arial" size="+0" color="#006600" style="font-family:Arial;font-size:10pt;color:#006600;">\psset{linecolor=red}</font></div>
<div align="left" style="text-align:left;"><font face="Arial" size="+0" color="#006600" style="font-family:Arial;font-size:10pt;color:#006600;">\begin{psgraph}[arrows=->](0,0)(!nxmax nymax){5cm}{5cm}</font></div>
<div align="left" style="text-align:left;"><font face="Arial" size="+0" color="#006600" style="font-family:Arial;font-size:10pt;color:#006600;">\multido{\ny=1+1}{!nymax}{</font></div>
<div align="left" style="text-align:left;"><font face="Arial" size="+0" color="#006600" style="font-family:Arial;font-size:10pt;color:#006600;"> \multido{\nx=1+1}{!nxmax}{</font></div>
<div align="left" style="text-align:left;"><font face="Arial" size="+0" color="#006600" style="font-family:Arial;font-size:10pt;color:#006600;"> \uput{0pt}[90]{0}(!\nx\space \ny\space){\psPrintValue{\nx\space \ny\space mul}}</font></div>
<div align="left" style="text-align:left;"><font face="Arial" size="+0" color="#006600" style="font-family:Arial;font-size:10pt;color:#006600;"> }</font></div>
<div align="left" style="text-align:left;"><font face="Arial" size="+0" color="#006600" style="font-family:Arial;font-size:10pt;color:#006600;">}</font></div>
<div align="left" style="text-align:left;"><font face="Arial" size="+0" color="#006600" style="font-family:Arial;font-size:10pt;color:#006600;">\end{psgraph}</font></div>
<div align="left" style="text-align:left;"><font face="Arial" size="+0" color="#006600" style="font-family:Arial;font-size:10pt;color:#006600;">\end{document}</font></div>
<br />
<div align="left" style="text-align:left;"><font face="Arial" size="+0" color="#000000" style="font-family:Arial;font-size:10pt;color:#000000;">How can I make it work?</font></div>
<br />
<br />
<div align="left" style="text-align:left;"><font face="Arial" size="+0" color="#000000" style="font-family:Arial;font-size:10pt;color:#000000;">Poul Riis</font></div>
</body>
</html>