[pstricks] Access dimensions of pspicture via macro?

[Christophe Jorssen]

pstricks-bounces at tug.org wrote:
> Moin.
> 
> I often want to position something relative to the edges of a
> pspicture like:
> 
>   \begin{pspicture}(-1,1)(1,-1)
>     \rput(\pspictureleft,\pspicturebottom){Label}
>   \end{pspicture}
> 
> Are there lengths like the (invented) '\pspictureleft' and
> '\pspicturebottom' already defined?
> 

Try pst-PSPNodes (PsPictureNodes).

http://christophe.jorssen.free.fr/pst-PSPNodes/

(not an "official package" :-) )

Bestn regards

--
Christophe