[pstricks] basic arithmetics in pstricks without defining nodes

[Juergen Gilg]

Hi Patrick,

you can do that within PSTricks like:

\documentclass{article}
\usepackage{pstricks,pstricks-add}
\begin{document}

\begin{pspicture}(-4,-4)(4,4)
\psset{unit=1}
\SpecialCoor

\def\MyRadius{0.7}

\pstVerb{/MyDiameter \MyRadius\space 2 mul def}
\psline(\MyRadius,0)(!MyDiameter 0)
\end{pspicture}
\end{document}

Regards,

Juergen

Patrick Drechsler wrote:
> Hi,
>
> how do I do simple arithmetics in tex and use them in pstricks?
>
> I am thinking along the lines of:
>
> \SpecialCoor%
> \def\MyRadius{0.7cm}%
> \def\MyDiameter{! \MyRadius 2 mul}%
> %
> \psline(\MyRadius,0)(\MyDiameter,0)
>
> I know this will not work. I am wondering what the correct approach
> would look like...
>
> TIA,
>
> Patrick 
>   

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  jürgen gilg
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