[Tex/LaTex] Multiple captions for a single figure

captionscross-referencingfloats

How do I get subfig-like captions for a single figure? I've got images that have multiple panels each, and I'd like to make a caption for all the sub-panels, as well as be able to reference each sub-panel. Something like Fig 1A, 1B etc.

Update This is what I've come up with, based on Werner's answer:

\documentclass[11pt]{article}
\usepackage{geometry}
\geometry{letterpaper}

\usepackage{graphicx}

\usepackage[labelformat=simple]{caption,subcaption}
\usepackage{hyperref}
\usepackage{varioref}

\renewcommand\thesubfigure{\Alph{subfigure}}

\begin{document}

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\captionsetup{singlelinecheck=false}

\begin{figure}[htb]
    \includegraphics[scale=1]{figure2}
    \caption{This is a general heading for figure 1.}\label{fig:1}

    \subcaptionbox{This is something about figure 1A.}[\linewidth]{\label{fig:1a}}
    \subcaptionbox{This is more more more more more more more more more more text about figure 1B. Sustainable terry richardson craft beer homo, cardigan wayfarers blog commodo DIY quinoa sartorial american apparel nostrud.\label{fig:1b}}[\linewidth]  {}


\end{figure}

Here's a ref to fig \vref{fig:1b}.Skateboard tempor hoodie helvetica quis. Sustainable terry richardson craft beer homo, cardigan wayfarers blog commodo DIY quinoa sartorial american apparel nostrud. Williamsburg aute mcsweeney's wes anderson. Dolor eiusmod tempor assumenda stumptown, delectus irony laboris 


\end{document}

Best Answer

This example, slightly altered from the subcaption package documentation is probably what you're looking for (\rule is meant for illustration only):

\documentclass{article}
\usepackage{caption,subcaption}
\begin{document}
\begin{figure}
  \hfill\subcaptionbox{A subfigure\label{fig:1a}}[8em]{\centering \rule{5pt}{3em}}
  \hfill\subcaptionbox{Another subfigure\label{fig:1b}}{\centering \rule{10em}{2em}}
  \hfill\subcaptionbox{A final subfigure\label{fig:1c}}[9em]{\centering \rule{2em}{4em}}
  \hfill\null
  \caption{A figure}\label{fig:1}
\end{figure}
Look at Figure~\ref{fig:1a} and~\ref{fig:1b}, or even Figure~\ref{fig:1c}. Everything is contained in Figure~\ref{fig:1}.
\end{document}

​ Subfigures in a figure

The subcaption package necessarily requires its contents to be typeset in a box. As such, the use of the \subcaptionbox{<heading>}[<width>][<inner-pos>]{<contents>} is ideal to have possible variable-width (the <width> argument is optional) contents with a subcaption. Without the <width> specification, the subfigure will be put in a box of "natural width" equivalent to the width of <contents>. So, if you have images that are very wide, you don't have to worry about specifying <width>. However, for a very narrow <contents> specifying <width> will allow for correct typesetting of the caption.

Also, there are ways to manipulate the representation of the your (sub-)captions and references.

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