[pstricks] Using names for point coordinates

Alan Ristow ristow at ece.gatech.edu
Sun Aug 6 15:15:46 CEST 2006

See pst-node. It's part of the main pstricks distribution, so see the 
documentation (under "Nodes", I believe) to learn how to use it.


j.romildo at gmail.com wrote:
> Hello.
> I am new to pstricks and I am using it to draw some graphics on my
> thesis.
> I am looking for a way to bind names to point coordinates and use those
> names instead of the direct coordinates. These way updating some
> coordinates would be much easier: just change the binding. Currently if
> I need to change a coordinate, I have to look at every command using
> that coordinate and make the change there.
> For instance, in the pspicture envirenment below
>   \begin{pspicture}(0,0)(10,10)
>     \psdots(5.2,3.4) \uput[45](5.2,3.4){Base}
>   \end{pspicture}
> I would like to bind a name to the coordinate (5.2,3.4) and use this
> name on the psdots and uput commands. If later on I decide to change the
> coodinates, the change would occur just in one place: the
> binding. Currently I would have to change every occurrence of the
> coordinate pair. So I would like to be able to write something like
>   \begin{pspicture}(0,0)(10,10)
>     \defcoord(5.2,3.4){base}
>     \psdots(base) \uput[45](base){Base}
>   \end{pspicture}
> Regards,
> Romildo
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