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从 figure.pgf 生成独立的 figure.pdf？

tag-icon • tag-icon tikz-pgf externalize
从 figure.pgf 生成独立的 figure.pdf？

我注意到构建 pgf 图形是一个漫长的过程，每次构建文档时运行它都要花很长时间。相反，我想单独生成图形。

所以我写了这个：

\documentclass{article}
\usepackage{tikz}
\usepackage{pgfplots}

\usetikzlibrary{matrix}
\usetikzlibrary{arrows.meta}
\usetikzlibrary{backgrounds}
\usepgfplotslibrary{groupplots}

\pgfplotsset{compat=newest,
    width=12cm,
    height=2.5cm,
    scale only axis=true,
    max space between ticks=25pt,    
    every axis/.style={  
        axis y line=left,
        axis x line=bottom,
        axis line style={thick,->,>=latex, shorten >=-.4cm},
    },
    xtick=\empty,
    every axis plot/.append style={thick},
    tick style={black, thick},
}

\tikzset{
    semithick/.style={line width=1.2pt},
}

\usetikzlibrary{external}
\tikzexternalize % activate!
\tikzset{external/force remake}
\begin{document}
\input{figure.pgf}
\end{document}

不幸的是，我得到的是整页而不是仅是与其大小相符的图形。

我应该如何生成该图形？

答案1

尝试此代码。使用\tikzexternalize将生成全部第一次运行期间，tikz 图形将出现在您的文档中，因此新构建将运行得更快。（如果您每次都不强制重制！）

文件main.tex（包含两个数字：width=7cm，height=5cm）

编译为 pdflatex.exe -synctex=1 -interaction=nonstopmode -shell-escape main.tex

% !TeX TS-program = pdflatex    

%%% File main.tex

\documentclass{article}

\usepackage{showframe}% to see the margins <<<<

\usepackage{pgfplots}
\pgfplotsset{compat=newest}

\usepgfplotslibrary{patchplots}% just for this plots

\pgfplotsset{compat=newest,
    width=7cm, % <<<<<<<<<<<<<<<
    height=5cm, % <<<<<<<<<<<<<<<
    scale only axis=true,
    max space between ticks=25pt,    
    every axis/.style={  
        axis y line=left,
        axis x line=bottom,
        axis line style={thick,->,>=latex, shorten >=-.4cm},
    },
    xtick=\empty,
    every axis plot/.append style={thick},
    tick style={black, thick},
}

\tikzset{
    semithick/.style={line width=1.2pt},
}

\usetikzlibrary{external}
\tikzexternalize[% activate!
up to date check={simple}, % do not force remake every time!
]%


\begin{document}
    \input{figure1.tex} %<<<<<<<<<<<<<<<<
    
    \input{figure2.tex} %<<<<<<<<<<<<<<<<
\end{document}

figure1.tex同一目录中的文件

%% file figure1.tex

\begin{tikzpicture}
    \begin{axis}
        \addplot3[
        patch,patch refines=3,
        shader=faceted interp,
        patch type=biquadratic] 
        table[z expr=x^2-y^2]
        {
            x  y
            -2 -2
            2  -2
            2  2
            -2 2
            0  -2
            2  0
            0  2
            -2 0
            0  0
        };
    \end{axis}  
\end{tikzpicture}

figure2.tex同一目录中的文件

%% file figure2.tex

\begin{tikzpicture}
    \begin{axis}[
        title={Grids with shader=faceted interp}]
        
        \addplot3[patch,patch type=biquadratic,
        shader=faceted interp,patch refines=3]
        coordinates {
            (0,0,1) (6,1,1.6) (5,5,1.3) (-1,5,0)
            (3,1,0) (6,3,0.4) (2,6,1.1) (0,3,0.9)
            (3,3.75,0.5)
        };
    \end{axis}
\end{tikzpicture}

它将产生这个输出

C

同时将生成main-figure0.pdf和，页面大小为。main-figure1.pdf3.2x2.2in

A

第二次（更快）运行将输出消息

(figure1.tex
===== Image 'main-figure0' is up-to-date. ======
)
(figure2.tex
===== Image 'main-figure1' is up-to-date. ======
)

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