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我该如何格式化 8 个子图以在页面右侧显示单个图例？

tag-icon • tag-icon floats positioning subfloats subcaption
我该如何格式化 8 个子图以在页面右侧显示单个图例？

我的代码生成的图形如下所示： enter image description here

我怎样才能让它看起来像这样：

enter image description here

（我用油漆制作的。）

代码

\usepackage{graphicx}
\usepackage{subcaption}
\begin{document}
\begin{figure}
    \centering
    \begin{subfigure}[b]{0.45\textwidth}
        \includegraphics[width=\textwidth]{./dct_for_publication_no_legend/ACTA2}
        \caption{1}
    \end{subfigure}
    \begin{subfigure}[b]{0.45\textwidth}
        \includegraphics[width=\textwidth]{./dct_for_publication_no_legend/ACTA2}
        \caption{2}
        \label{}
    \end{subfigure}
    \begin{subfigure}[b]{0.45\textwidth}
        \includegraphics[width=\textwidth]{./dct_for_publication_no_legend/ACTA2}
        \caption{3}
    \end{subfigure}
    \begin{subfigure}[b]{0.45\textwidth}
        \includegraphics[width=\textwidth]{./dct_for_publication_no_legend/ACTA2}
        \caption{4}
        \label{}
    \end{subfigure}
        \begin{subfigure}[b]{0.45\textwidth}
        \includegraphics[width=\textwidth]{./dct_for_publication_no_legend/ACTA2}
        \caption{5}
        \label{}
    \end{subfigure}
    \begin{subfigure}[b]{0.45\textwidth}
        \includegraphics[width=\textwidth]{./dct_for_publication_no_legend/ACTA2}
        \caption{6}
        \label{}
    \end{subfigure}
        \begin{subfigure}[b]{0.05\textwidth}
        \includegraphics[height=0.35\textheight]{./dct_for_publication_no_legend/legend}
    \end{subfigure}
    \begin{subfigure}[b]{0.45\textwidth}
        \includegraphics[width=\textwidth]{./dct_for_publication_no_legend/ACTA2}
        \caption{7}
        \label{}
    \end{subfigure}
    \begin{subfigure}[b]{0.45\textwidth}
        \includegraphics[width=\textwidth]{./dct_for_publication_no_legend/ACTA2}
        \caption{8}
        \label{}
    \end{subfigure}
    \caption{Pictures}\label{}
\end{figure}
\end{document}

答案1

您可以将子图设置为minipage

\documentclass{article}
\usepackage{graphicx}
\usepackage{subcaption}

\usepackage{showframe} % just for the example

\begin{document}

\begin{figure}[p]
\begin{minipage}{0.9\textwidth}
\centering
\begin{subfigure}[b]{0.45\textwidth}
  \includegraphics[width=\textwidth]{example-image}
  \caption{1}\label{1}
\end{subfigure}\hspace*{\fill}
\begin{subfigure}[b]{0.45\textwidth}
  \includegraphics[width=\textwidth]{example-image}
  \caption{2}\label{2}
\end{subfigure}\hspace*{\fill}

\begin{subfigure}[b]{0.45\textwidth}
  \includegraphics[width=\textwidth]{example-image}
  \caption{3}\label{3}
\end{subfigure}\hspace*{\fill}
\begin{subfigure}[b]{0.45\textwidth}
  \includegraphics[width=\textwidth]{example-image}
  \caption{4}\label{4}
\end{subfigure}\hspace*{\fill}

\begin{subfigure}[b]{0.45\textwidth}
  \includegraphics[width=\textwidth]{example-image}
  \caption{5}\label{5}
\end{subfigure}\hspace*{\fill}
\begin{subfigure}[b]{0.45\textwidth}
  \includegraphics[width=\textwidth]{example-image}
  \caption{6}\label{6}
\end{subfigure}\hspace*{\fill}

\begin{subfigure}[b]{0.45\textwidth}
  \includegraphics[width=\textwidth]{example-image}
  \caption{7}\label{7}
\end{subfigure}\hspace*{\fill}
\begin{subfigure}[b]{0.45\textwidth}
  \includegraphics[width=\textwidth]{example-image}
  \caption{8}\label{8}
\end{subfigure}\hspace*{\fill}
\end{minipage}% <--- don't forget
\begin{minipage}{0.1\textwidth}
\includegraphics[width=\textwidth,height=8cm]{example-image}
\end{minipage}

\caption{Global caption}\label{global}

\end{figure}
\end{document}

该showframe包仅用于显示相对于文本块的位置。

enter image description here

答案2

我尝试保持图像的大小不变，但改变间距。请注意， 会minipage改变 的值\textwidth，因此使用\mywidth。

由于实际图像顶部有很多空白，因此子标题应该放置在适当的位置。

请注意，图例相对于图像及其标题居中。这可以修复，但您需要测量不带标题的图像的高度。

\documentclass{article}
\usepackage[demo]{graphicx}
\usepackage{subcaption}
\usepackage{showframe}% dubugging tool
\newlength{\mywidth}
\begin{document}
\begin{figure}
    \mywidth=0.45\textwidth
    \begin{subfigure}[b]{\mywidth}
        \includegraphics[width=\textwidth]{./dct_for_publication_no_legend/ACTA2}
        \caption{1}
    \end{subfigure}\hfil
    \begin{subfigure}[b]{\mywidth}
        \includegraphics[width=\textwidth]{./dct_for_publication_no_legend/ACTA2}
        \caption{2}
        %\label{}
    \end{subfigure}

  \begin{minipage}[c]{.925\textwidth}
    \begin{subfigure}[b]{\mywidth}
        \includegraphics[width=\textwidth]{./dct_for_publication_no_legend/ACTA2}
        \caption{3}
    \end{subfigure}\hfill
    \begin{subfigure}[b]{\mywidth}
        \includegraphics[width=\textwidth]{./dct_for_publication_no_legend/ACTA2}
        \caption{4}
        %\label{}
    \end{subfigure}

    \begin{subfigure}[b]{\mywidth}
        \includegraphics[width=\textwidth]{./dct_for_publication_no_legend/ACTA2}
        \caption{5}
        %\label{}
    \end{subfigure}\hfill
    \begin{subfigure}[b]{\mywidth}
        \includegraphics[width=\textwidth]{./dct_for_publication_no_legend/ACTA2}
        \caption{6}
        %\label{}
    \end{subfigure}
  \end{minipage}\hfill
  \raisebox{-0.5\height}{\includegraphics[height=0.35\textheight,width=0.05\textwidth]{./dct_for_publication_no_legend/legend}}

    \begin{subfigure}[b]{\mywidth}
        \includegraphics[width=\textwidth]{./dct_for_publication_no_legend/ACTA2}
        \caption{7}
        %\label{}
    \end{subfigure}\hfil
    \begin{subfigure}[b]{\mywidth}
        \includegraphics[width=\textwidth]{./dct_for_publication_no_legend/ACTA2}
        \caption{8}
        %\label{}
    \end{subfigure}

  \caption{Pictures}\label{}
\end{figure}
\end{document}

demo

此版本计算宽度以\columnsep在图像之间留出间隙并使用图例的自然宽度。当然，在演示模式下看起来很糟糕。

\documentclass{article}
\usepackage[demo]{graphicx}
\usepackage{subcaption}
\usepackage{showframe}% dubugging tool
\newlength{\mywidth}
\begin{document}
\begin{figure}
  \sbox0{\includegraphics[height=0.35\textheight]{./dct_for_publication_no_legend/legend}}%
  \setlength{\mywidth}{\dimexpr 0.5\textwidth-\columnsep-0.5\wd0}%
    \begin{subfigure}[b]{\mywidth}
        \includegraphics[width=\textwidth]{./dct_for_publication_no_legend/ACTA2}
        \caption{1}
    \end{subfigure}\hfil
    \begin{subfigure}[b]{\mywidth}
        \includegraphics[width=\textwidth]{./dct_for_publication_no_legend/ACTA2}
        \caption{2}
        %\label{}
    \end{subfigure}

  \begin{minipage}[c]{\dimexpr \textwidth-\columnsep-\wd0}
    \begin{subfigure}[b]{\mywidth}
        \includegraphics[width=\textwidth]{./dct_for_publication_no_legend/ACTA2}
        \caption{3}
    \end{subfigure}\hfill
    \begin{subfigure}[b]{\mywidth}
        \includegraphics[width=\textwidth]{./dct_for_publication_no_legend/ACTA2}
        \caption{4}
        %\label{}
    \end{subfigure}

    \begin{subfigure}[b]{\mywidth}
        \includegraphics[width=\textwidth]{./dct_for_publication_no_legend/ACTA2}
        \caption{5}
        %\label{}
    \end{subfigure}\hfill
    \begin{subfigure}[b]{\mywidth}
        \includegraphics[width=\textwidth]{./dct_for_publication_no_legend/ACTA2}
        \caption{6}
        %\label{}
    \end{subfigure}
  \end{minipage}\hfill
  \raisebox{-0.5\ht0}{\usebox0}

    \begin{subfigure}[b]{\mywidth}
        \includegraphics[width=\textwidth]{./dct_for_publication_no_legend/ACTA2}
        \caption{7}
        %\label{}
    \end{subfigure}\hfil
    \begin{subfigure}[b]{\mywidth}
        \includegraphics[width=\textwidth]{./dct_for_publication_no_legend/ACTA2}
        \caption{8}
        %\label{}
    \end{subfigure}

  \caption{Pictures}\label{}
\end{figure}
\end{document}

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