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Dear David,<br>
<br>
couldn't solve the problem with 2 arrowhead at the end of the lines
drawn, however the rest should work fine.<br>
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type="cite">
<pre wrap="">
Looking for ideas.
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</blockquote>
<pre class="moz-signature" cols="65"><font color="#003300">\documentclass{article}
\begin{document}
\pagestyle{empty}

\newcommand{\DaveArnold}[4]{%
\psset{unit=0.5}
\begin{pspicture}(-6,-6)(6,6)
\psgrid[gridcolor=lightgray,gridlabels=0pt,subgriddiv=1](0,0)(-5,-5)(5,5)
\psaxes[labels=none,ticks=none]{-&gt;}(0,0)(-5.5,-5.5)(5.5,5.5)
\psclip{\psframe[linestyle=none](-5,-5)(5,5)}
\ncline[nodesep=10cm,linecolor=blue]{&lt;-&gt;}{A}{B}
\endpsclip
\uput[0](5.5,0){$x$}
\uput[90](0,5.5){$y$}
\end{pspicture}
\resetOptions
}

\DaveArnold{1}{2}{-3}{5}
%First Argument     x-Koordinate Point A
%Second Argument    y-Koordinate Point A
%Third Argument     x-Koordinate Point B
%Fourth Argument    y-Koordinate Point B

\DaveArnold{-1}{-2}{3}{3}

\DaveArnold{-5}{-5}{1}{2}

%NO PROBLEM to so produce vertical and horizontal lines as well.
\end{document} </font>
</pre>
<br>
Regards,<br>
<br>
Juergen<br>
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