[pstricks] grid as background in an environment

[Herbert Voss]

Martin Buchmann schrieb:

> That's working better than i expected at first but there is a small 
> problem because \psgrid takes integer values as coordinates. How can i 
> convert the size of my box into coordinates for psgrid so that the grid 
> is never to small?

draw the grid by yourself.

Herbert


\makeatletter
\newcount\xLines \xLines=20
\newcount\yLines \yLines=4
\newcommand\grid[2]{{%
	\newdimen\xMax \xMax=#2%
	\newdimen\yMax \yMax=#1%
	\newdimen\dx \dx=\xMax \divide\dx by \xLines%
	\newdimen\dy \dy=\yMax \divide\dy by \yLines%
	\psset{unit=1pt, linecolor=yellow}%
	\advance\xLines by 1%
	\advance\yLines by 1%
	\multido{\rA=0+\strip at pt\dx}{\xLines}{\psline(\rA,0)(\rA,\yMax)}%
	\multido{\rA=0+\strip at pt\dy}{\yLines}{\psline(0,\rA)(\xMax,\rA)}%
}}
\makeatother





> 
> Thanks
>   Martin
> 


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