[pstricks] How to use a csv-file for draw a piechart with package pstricks-add

[Herbert Voss]

Am 20.11.22 um 18:47 schrieb José Jesús Rosell Escolar:
> Hello every one
> I usually use the packages pst-plot  for plotting bar diagram from a csv file.
> In this moment I really want to plot a piechart, and the package pstricks-add has the command \psChart, but it is necessary to write the values by hand.
> My question is: is it possible to use a csv file for drawing a piechart within the command \psChart?

The latest version of pst-plot (http://hvoss.org/pst-plot.tex)
knows the key outDelimiter toi definie the delimiter _after_ reading the
csv data. It is by defafult \space, but \psChart expects a comma.
I'll upload this version tomorrow to CTAN.


\begin{filecontents}[force]{Datitos.csv}
%Dato Frecuencia
1,4
2,7
3,5
4,1
5,4
6,6
\end{filecontents}

\documentclass{article}
\usepackage{pst-plot}

\begin{document}
\psreadDataColumn[ignoreLines=1,outDelimiter={,\space}]{2}{,}{\dada}{Datitos.csv}

\begin{pspicture}(-4,-4)(4,4)
     \expandafter\psChart\expandafter{\dada}{}{4}
\end{pspicture}
\end{document}

Herbert

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