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I'd like to know how to hack subfig in order to change the format of \subref. The current format, when subfig is initialized with listofformat=parens yields output like 4.5(b) . I'd like to add a space between the 4.5 and (b).

I know the documentation of subfig says that new formats can be defined with \DeclareSubrefFormat{hkeyword valuei}{hcodei} but I haven't managed to actually get hat to work.

Does anyone have an example of how the format can be changed?

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1 Answer 1

up vote 3 down vote accepted

The option listofformat controls the way subfloat numbers are typeset in the List of Figures/Tables and the actual format of the string produced by the \subref command. To change this format, you have to declare a new format using \DeclareCaptionListOfFormat and then use this new format in \captionsetup. In the second argument of the \DeclareCaptionListOfFormat command, #1 represents the float number and #2 represents the subfloat number. So to obtain the space between the float number and the subfloat number in the the LoF/LoT and when using \subref, you'll have to do something like the following:

\documentclass{book}
\usepackage[demo]{graphicx}
\usepackage[lofdepth]{subfig}

\DeclareCaptionListOfFormat{myparens}{#1~(#2)}
\captionsetup[subfloat]{listofformat=myparens,listofnumwidth=4em}

\begin{document}
\listoffigures

\chapter{Test Chapter}
\section{Test Section}

\subref{fig:sub1}
\begin{figure}
  \centering
  \subfloat[Text 1 In Toc][Text 1 in document\label{fig:sub1}]{\includegraphics[width=3cm]{name1}}\qquad
  \subfloat[Text 2 In Toc][Text 2 in document\label{fig:sub2}]{\includegraphics[width=3cm]{name2}}
  \caption{test}
\end{figure}


\end{document}

Here's the List of Figures obtained:

enter image description here

and a fragment of the document, showing the output produce by \subref:

enter image description here

If you only want to change the way \subref* (note the star) typesets the string associated to a subfloat, without affecting the entries in the Lof/Lot, you have to declare a new format using \DeclareSubrefFormat and then use this format in \captionsetup. In the second argument of \DeclareSubrefFormat you can use #1 (the string associated to the float), #2 (the string associated to the subfloat), #3 (the value of the float counter) y #4 (the value of the counter associated to the subfloat). A little example producing a space between the float and subfloat numbers:

\documentclass{book}
\usepackage[demo]{graphicx}
\usepackage[lofdepth]{subfig}

\DeclareSubrefFormat{myparens}{#1~(#2)}
\captionsetup[subfloat]{subrefformat=myparens}

\begin{document}
\listoffigures

\chapter{Test Chapter}
\section{Test Section}

\subref*{fig:sub1}
\begin{figure}
  \centering
  \subfloat[Text 1 In Toc][Text 1 in document\label{fig:sub1}]{\includegraphics[width=3cm]{name1}}\qquad
  \subfloat[Text 2 In Toc][Text 2 in document\label{fig:sub2}]{\includegraphics[width=3cm]{name2}}
  \caption{test}
\end{figure}

\end{document}

Now the LoF looks like this:

enter image description here

and the fragment showing the output of \subref*:

enter image description here

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Thanks for your help. The solution works perfectly! –  Koffiman Dec 30 '11 at 11:26
    
@Koffiman you are welcome! Please consider accepting the answer. –  Gonzalo Medina Jan 2 '12 at 16:04

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