[pstricks] Re: pstricks qustion

[Herbert Voss]

Aaron Jackson wrote:
> I would like to draw two parallel vertical lines of different lengths 
> and widths that touch.  The problem I am having is knowing where to 
> place the second line so that the parallel lines scale properly.  For 
> example:
> 
> \begin{pspicture}(0,0)(3,2)
> \psline[linewidth=2pt](0,1)(0,-1)
> \psline[linewidth=4pt](0.1,0.3)(0.1,-0.3)
> \end{pspicture}
> 
> works for the given widths.  However if I change the thickness of either 
> line, then I have to recalculate the x offset (0.1 in this case) so that 
> the lines are tangent to each other.  Two solutions come to mind.

choose pcline from pst-node, then the offset can be
set with the option and it is half the width of both
lines

\begin{pspicture}(0,0)(3,2)
   \pcline[linewidth=8pt,offset=-11pt](0,1)(0,-1)
   \pcline[linewidth=14pt](0,0.3)(0,-0.3)
\end{pspicture}


Herbert



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