[pstricks] Placing labels at arbitrary positions

Herbert Voss LaTeX at zedat.fu-berlin.de
Sun Oct 15 22:47:32 CEST 2006

Matthias Kirchner wrote:
> Hi,
> I'm currently doing my first experiences with pstricks. So far, I used 
> R to generate my graphs. I found, that the psgraph-environment from the 
> pstricks-add package is well suited for my problems. Thus, by writing 
> my R-generated values into a file and using \readdata, I end up with 
> nice plots. I'm now wondering if there is a macro similar to one which 
> I was using heavily with R. There, the function is called "text" and 
> has the following functionality:
> text(x,y,labels,...)
> -> It takes a vector of x and y coordinates  and writes the 
> corresponding values which are stored in the labels vector at those  
> positions, one label at each (x,y)-pair.
> Maybe someone can give me a hint? (The labels should be read from a 
> file.)

0 1 0
1 1.5 2.345
2 3 Joe2
6 2.2 Kathy
10 2.34 1000


\def\psLabelPlot#1{\expandafter\psLabelPlot at i#1}
\def\psLabelPlot at i #1{\psLabelPlot at ii#1}
\def\psLabelPlot at ii#1 #2 #3 #4 #5 #6 {%
    \@ifnextchar D{\psLabelPlot at ii}{}%



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