osx 中的 gnuplot 和 texshop
我已经通过 macports 安装了 gnuplot，但是当我在 texshop 中编译我的 Latex 文档时，它没有显示绘图，并且我在日志文件中收到这些错误：
Package pgf Warning: Plot data file `tutorial.x.table' not found. on input line
17.
Package pgf Warning: Plot data file `tutorial.sin.table' not found. on input li
ne 19.
Package pgf Warning: Plot data file `tutorial.exp.table' not found. on input li
ne 21.
我只是想编译这个基本示例：
% Author: Till Tantau
% Source: The PGF/TikZ manual
\documentclass{article}
\usepackage[latin1]{inputenc}
\usepackage{tikz}
% GNUPLOT required
\begin{document}
\pagestyle{empty}
\begin{tikzpicture}[domain=0:4]
\draw[very thin,color=gray] (-0.1,-1.1) grid (3.9,3.9);
\draw[->] (-0.2,0) -- (4.2,0) node[right] {$x$};
\draw[->] (0,-1.2) -- (0,4.2) node[above] {$f(x)$};
\draw[color=red] plot[id=x] function{x}
node[right] {$f(x) =x$};
\draw[color=blue] plot[id=sin] function{sin(x)}
node[right] {$f(x) = \sin x$};
\draw[color=orange] plot[id=exp] function{0.05*exp(x)}
node[right] {$f(x) = \frac{1}{20} \mathrm e^x$};
\end{tikzpicture}
\end{document}
I have installed gnuplot through macports but when i compile my latex document in texshop it doesn't show the plots and I get these errors in the log file:
Package pgf Warning: Plot data file `tutorial.x.table' not found. on input line
17.
Package pgf Warning: Plot data file `tutorial.sin.table' not found. on input li
ne 19.
Package pgf Warning: Plot data file `tutorial.exp.table' not found. on input li
ne 21.
I'm just trying to compile this basic example:
% Author: Till Tantau
% Source: The PGF/TikZ manual
\documentclass{article}
\usepackage[latin1]{inputenc}
\usepackage{tikz}
% GNUPLOT required
\begin{document}
\pagestyle{empty}
\begin{tikzpicture}[domain=0:4]
\draw[very thin,color=gray] (-0.1,-1.1) grid (3.9,3.9);
\draw[->] (-0.2,0) -- (4.2,0) node[right] {$x$};
\draw[->] (0,-1.2) -- (0,4.2) node[above] {$f(x)$};
\draw[color=red] plot[id=x] function{x}
node[right] {$f(x) =x$};
\draw[color=blue] plot[id=sin] function{sin(x)}
node[right] {$f(x) = \sin x$};
\draw[color=orange] plot[id=exp] function{0.05*exp(x)}
node[right] {$f(x) = \frac{1}{20} \mathrm e^x$};
\end{tikzpicture}
\end{document}
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是的，您需要将 tikz 创建的 .gnuplot 文件转换为表格文件。为此，您有两种选择：
您可以使用附加命令行开关 --shell-escape（有时也称为 --enable-write-18）运行 (pdf)latex，然后 gnuplot 会自动为您运行。 （不过，您可能不愿意允许从 pdflatex 中启动任意程序。）
您可以自己在 test.exp.gnuplot、test.sin.gnuplot、test.x.gnuplot 等文件上运行 gnuplot 。只需
gnuplot test.exp.gnuplot就可以了。 （这里无法验证，因为我的 gnuplot 版本太旧了。）Yes, you need to turn the .gnuplot files that tikz creates into the tables files. You have two choices for this:
you can run (pdf)latex with the additional command line switch --shell-escape, sometimes also called --enable-write-18, then gnuplot is run automatically for you. (You might not be comfortable with allowing arbitrary programs to be starte from within pdflatex, though.)
you can run gnuplot yourself on the test.exp.gnuplot, test.sin.gnuplot, test.x.gnuplot etc. files. Simply
gnuplot test.exp.gnuplotshould do it. (Can't verify here, since my gnuplot version is too old.)