[pstricks] \pspolygon and dimen=inner

[Adam Fenn]

>Obviously, we can define an inner and an outer for closed path, even for 
>crossed path (there is several different definitions in this case) but it's 
>not easy to code.
>
>Here is a not so good solution:
>
>% inner
>\begin{pspicture}(0,0)(3,4)
>   \def\cliparg{[linewidth=0pt]}
>   \def\polygonarg{[linewidth=10pt]}
>   \def\polygonpath{(0,0)(2,4)(3,1)(2,0)}
>   \begin{psclip}{\expandafter\expandafter\expandafter
>       \pspolygon\expandafter\cliparg\polygonpath}
>     \expandafter\expandafter\expandafter
>       \pspolygon\expandafter\polygonarg\polygonpath
>   \end{psclip}
>   \pspolygon[linewidth=0.2pt,linecolor=green](0,0)(2,4)(3,1)(2,0)
>\end{pspicture}


Thank you Jean-Côme and Herbert for your help, this is exactly what I 
wanted.

Adam Fenn