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I have posted a question Different width for caption and floatfoot with floatrow (which contains a MWE) regarding setting caption and \floatfoot width in the floatrow package, which was answered so wonderfully! I was not sure if proper etiquette is to create a new question although related, so please feel free to let me know if I should have simply added this as a comment in the previous answer.

In any case, I was wondering what the best way to set a custom width of the caption is, with regards to the method used in the previous question. I did some research and found Caption and footnote width with ctable, but it seems to pertain specifically to the ctable package and environment.

So I was wondering what the best way to obtain a specific width for my caption in the first link would be. I wasn't sure if something like minipage or such would be a proper solution, or what the best/most proper way to define the width would be.

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Don't worry, follow-up questions are welcome. – Gonzalo Medina Jul 20 '12 at 17:01
up vote 4 down vote accepted

You can use a \parbox of the desired width. For example, to get a width equal to 0.6 times the width of the text area you can say:



\parbox{.6\textwidth}{\RawCaption{\caption{Selected Interatomic Distances of Protons in $\beta$-Pinene Normal Lactone}\label{fig:noeDistances}}}\vskip1ex
    \floatfoot{\textsuperscript{1}All distances reported are in \si{\angstrom}.\\ \textsuperscript{2}Selected carbon numbering is given in cyan.}}


enter image description here

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Perfect, exactly the look I was going for. Thank you. – J M Jul 20 '12 at 17:04

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