如何在子图环境中移动子标题

如何在子图环境中移动子标题

我使用 subfigure 环境显示 4 个图形,每行 2 个。现在的问题是每个图形的标题超过两行。我希望标题写在一行中,但同时保持图形的尺寸较小。以下是我包含图形的方式:

\begin{figure}[t!]
    \centering
    \begin{subfigure}{.3\textwidth}
        \includegraphics[width=\linewidth]{imgs/first_figure.png}
        \vspace*{.2cm}
        \caption{My first subcaption.}
    \end{subfigure}\hspace*{3cm}
    \begin{subfigure}{.3\textwidth}
        \includegraphics[width=\linewidth]{imgs/second_figure.png}
        \vspace*{.2cm}
        \caption{second subcaption is slightly longer.}
    \end{subfigure} \\\vspace*{.5cm}
    \begin{subfigure}{.3\textwidth}
        \includegraphics[width=\linewidth]{imgs/third_figure.png}
        \vspace*{.2cm}
        \caption{third subcaption is slightly longer.}
    \end{subfigure}\hspace*{3cm}
    \begin{subfigure}{.3\textwidth}
        \includegraphics[width=\linewidth]{imgs/fourth_figure.png}
        \vspace*{.2cm}
        \caption{fourth subcaption is slightly longer.}
    \end{subfigure}
    \vspace*{.5cm}
    \caption{Four figures.}
\end{figure}

我尝试\hspace*{-2cm}在每个子标题前面添加一个附加内容,但实际上没有任何效果。这很奇怪,因为它\vspace*{.2cm}完全按照我的意图运行。有什么建议吗?

答案1

由于您有 4 个子图,因此您可以轻松地为每个子图使用最多0.5\textwidth。您只需要缩小图像即可。

\documentclass{article} 
\usepackage{graphicx}
\usepackage{subcaption}
\begin{document}
\begin{figure}[t]
    \advance\abovecaptionskip  by 0.2cm
    \centering
    \begin{subfigure}{.5\textwidth}
        \centering
        \includegraphics[width=0.6\linewidth]{example-image-a}
        \caption{My first subcaption.}
    \end{subfigure}%
    \begin{subfigure}{.5\textwidth}
        \centering
        \includegraphics[width=0.6\linewidth]{example-image-b}
        \caption{second subcaption is slightly longer.}
    \end{subfigure}
    
    \begin{subfigure}{.5\textwidth}
        \centering
        \includegraphics[width=0.6\linewidth]{example-image-c}
        \caption{third subcaption is slightly longer.}
    \end{subfigure}%
    \begin{subfigure}{0.5\textwidth}
        \centering
        \includegraphics[width=0.6\linewidth]{example-image}
        \caption{fourth subcaption is slightly longer.}
    \end{subfigure}
    \vspace{.3cm}% plus 0.2
    \caption{Four figures.}
\end{figure}
\end{document}

演示

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