[Tex/LaTex] Gnuplottex basic example fails with ‘undefined control sequence’

gnuplotpdftex

I'm using latest TeXLive on Linux, and have gnuplot installed. I have also installed gnuplottex package.

Then, I'm trying to compile the basic gnuplottex CTAN example, example-pdf.tex; however, I get this:

$ pdflatex -shell-escape test.tex
...
! Undefined control sequence.
\gnuplotverbatimwrite ...e \openout \verbatim@out 
                                                  #1 \BeforeStream \let \do ...
l.7 ...f,terminaloptions={font ",10" linewidth 3}]

? X

(full log here)

Anyone have any idea how do I get this basic example to work?

Best Answer

I've updated the package with the bug fix, should be at a CTAN mirror near you shortly. Thanks guys!

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[Tex/LaTex] GnuplotTex: automatic plotting and vertical line indication

I would use the pgfplots package for this. You can generate the data with gnuplot by using \addplot gnuplot {<expression>};, and then read the generated data using \pgfplotstableread{\jobname.pgf-plot.table}\table. After sorting this table, you just access the first element, which now contains the local maximum.

\documentclass{article}
\usepackage{pgfplots}
\usepackage{pgfplotstable}
\begin{document}

\begin{tikzpicture}
\begin{axis}[ymin=0,ymax=0.05,xmin=0,xmax=2000,grid=both]

\addplot [domain={0:2000},samples=1000]
  gnuplot {(20*x)/(100000 + 50*x + x**2)};

\pgfplotstableread{\jobname.pgf-plot.table}\table
\pgfplotstablesort[sort cmp={float >},sort key={[index] 1}]\sorted{\table}
\pgfplotstablegetelem{0}{[index] 1}\of{\sorted}
\let\maxy=\pgfplotsretval
\pgfplotstablegetelem{0}{[index] 0}\of{\sorted}
\let\maxx=\pgfplotsretval


\node at (axis cs:\maxx,\maxy)
  [circle, fill, red,inner sep=1.5pt,
   pin={
    [fill=white]40:{(\pgfmathprintnumber{\maxx}, \pgfmathprintnumber{\maxy}})
   }
  ] {};
\draw [red] (axis cs:\maxx,0) -- (axis cs:\maxx,1);
\end{axis}
\end{tikzpicture}

\end{document}

finding the local maximum using pgpflots

[Tex/LaTex] Error with TextMate 2, PATH, –shell-escape and gnuplot in 10.8.2

This might be an issue with TextMate's PATH, which is not (necessarily) the same as the PATH when you work from Terminal. You can check that TextMate is able to find gnuplot by opening a new file in TextMate, typing the line which gnuplot, and running that line with Ctrl-R. If TextMate gives you an error message, then it can't find gnuplot; if it prints a directory name then it can.

So assuming that TextMate can't find gnuplot, the easiest way to fix this is to go to TextMate's Preferences > Variables and edit the entry for PATH. You should change this so that the directory containing gnuplot is in the list, for example

/usr/texbin:$PATH:/opt/local/bin:/opt/local/sbin:/opt/bin

might work for you. (It's important that you keep $PATH in this list too, otherwise TextMate won't be able to use many important commands.) Make sure the check box next to PATH is checked. Now if you open a new file and type which gnuplot, Ctrl-R, it should give you something, and if you type which pdflatex, Ctrl-R, it should say /usr/texbin.

Finally, you need to make sure that TextMate runs pdflatex with the shell-escape option. TextMate allows you to pass options to the TeX compiler using comments at the beginning of your document. Try adding this

%!TEX TS-options = --shell-escape

as the first line of your file. Both of the examples you provided compile without any problems on my machine if I include this as the first line. (TextMate 2.0-alpha.9387)

Best Answer

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[Tex/LaTex] Error with TextMate 2, PATH, –shell-escape and gnuplot in 10.8.2

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