problem formatting longtable caption to match normal table

Question

This is driving me mad, so hopefully someone can put me out of my misery. I can't seem to match the caption formatting of a 'normal' table with that of the longtable. The issue i have is using the ieeeaccess.cls file (or so i believe). From what i understand longtable should format the caption with the same format as the article class but it seems to revert back to the default. The MWE code below is my example. I would like the same font/format shown in Table 1 to be replicated in Table 2 at the top of the table and across the page span. I have tried to carve out the code that formats the captions from the cls file (described here) but it doesn't want to work with me. I also tried replicating with captionsetup but i couldn't get this to work either. Any suggestions? Is there something simple that i am missing? How do i force longtable to use the caption format from the class? Or force it to use the caption formatting from another Table?

\documentclass{ieeeaccess}
\usepackage{graphicx}
\usepackage{longtable}
\usepackage{lipsum}
\setlength{\LTcapwidth}{\textwidth}
\begin{document}
\lipsum[1]
Normal Table\ref{tab:table1} and long Table\ref{tab:longtable}
\begin{table} [h]
\caption{first caption}\label{tab:table1}
\centering
 \begin{tabular}{l l} 
 \hline
 \textbf{H1} & \textbf{H2} \ 
 \hline
 1 & 2 \
 1 & 2 \
 \hline
 \end{tabular}
 \end{table}
\onecolumn
\begin{longtable}{|p{4cm}|p{4cm}|p{4cm}|p{4cm}|}
\caption{A simple longtable A simple longtable A simple longtable A simple longtable A simple longtable A simple longtable A simple longtable}\label{tab:longtable}\
\hline
\textbf{First entry} & \textbf{Second entry} & \textbf{Third entry} & \textbf{Fourth entry} \
\hline
\endfirsthead
% \multicolumn{4}{c}% 
\caption[]{A simple longtable A simple longtable A simple longtable A simple longtable A simple longtable A simple longtable A simple longtable}\
\hline
\textbf{First entry} & \textbf{Second entry} & \textbf{Third entry} & \textbf{Fourth entry} \
\hline
\endhead \hline \multicolumn{4}{r}{\textit{Continued on next page}} \
\endfoot \hline
\endlastfoot \hline \hline
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
\end{longtable}
\twocolumn
\EOD
\end{document}

Longtable uses a custom caption. It might be possible to modify it to match IEEEtran. — John Kormylo, Feb 02 '23 at 18:05
I can't find how to download ieeaccess.doc. It appears to only be available through overleaf. — John Kormylo, Feb 02 '23 at 18:14
Thanks for taking a look. The ieeeaccess.cls is available through the link i embedded above. The format of the manuscript has more color and embedded graphics than other IEEE templates, which is why it isn't a very clean way of posting here and asking for assistance.
I have implemented your solution below. I can probably live without the Table caption appearing on every page. Thanks. — colbrown, Feb 02 '23 at 19:30

John Kormylo · Answer 1 · 2023-02-02T19:47:56.943

The easy solution is to simply add a normal table caption before the longtable. I don't know what IEEE will think of a "Continued" caption.

\documentclass{IEEEtran}
\usepackage{graphicx}
\usepackage{longtable}
\usepackage{lipsum}
\setlength{\LTcapwidth}{\textwidth}
\begin{document}
\lipsum[1]
Normal Table\ref{tab:table1} and long Table\ref{tab:longtable}
\begin{table} [h]
\caption{first caption}\label{tab:table1}
\centering
 \begin{tabular}{l l} 
 \hline
 \textbf{H1} & \textbf{H2} \ 
 \hline
 1 & 2 \
 1 & 2 \
 \hline
 \end{tabular}
 \end{table}
\onecolumn
\begin{table}[h!]
\caption{A simple longtable A simple longtable A simple longtable A simple longtable A simple longtable A simple longtable A simple longtable}
\label{tab:longtable}
\end{table}
%
\vskip-\intextsep
\setlength{\LTpre}{0pt}%
\begin{longtable}{|p{4cm}|p{4cm}|p{4cm}|p{4cm}|}
\hline
\textbf{First entry} & \textbf{Second entry} & \textbf{Third entry} & \textbf{Fourth entry} \
\hline
\endfirsthead
% \multicolumn{4}{c}% 
\hline
\textbf{First entry} & \textbf{Second entry} & \textbf{Third entry} & \textbf{Fourth entry} \
\hline
\endhead \hline \multicolumn{4}{r}{\textit{Continued on next page}} \
\endfoot \hline
\endlastfoot \hline \hline
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
\end{longtable}
\twocolumn
\end{document}

This version modifies the longtable caption format. Only the firsthead caption appears in the \listoftables.

\documentclass{IEEEtran}
\usepackage{graphicx}
\usepackage{longtable}
\usepackage{lipsum}
\setlength{\LTcapwidth}{\textwidth}
\usepackage{showframe}% MWE only
\makeatletter
\def\LT@makecaption#1#2#3{%
  \LT@mcol\LT@cols c{\hbox to\z@{\hss\parbox[t]\LTcapwidth{%
    \centering #1{#2\\}#3%
    \endgraf\vskip\baselineskip}%
  \hss}}}
\makeatother
\begin{document}
\lipsum[1]
Normal Table\ref{tab:table1} and long Table\ref{tab:longtable}
\begin{table} [h]
\caption{first caption}\label{tab:table1}
\centering
 \begin{tabular}{l l} 
 \hline
 \textbf{H1} & \textbf{H2} \ 
 \hline
 1 & 2 \
 1 & 2 \
 \hline
 \end{tabular}
 \end{table}
\onecolumn
\begin{longtable}{|p{4cm}|p{4cm}|p{4cm}|p{4cm}|}
\caption{A simple longtable A simple longtable A simple longtable A simple longtable A simple longtable A simple longtable A simple longtable}
\label{tab:longtable}\
\hline
\textbf{First entry} & \textbf{Second entry} & \textbf{Third entry} & \textbf{Fourth entry} \
\hline
\endfirsthead
% \multicolumn{4}{c}% 
\caption[]{A simple longtable A simple longtable A simple longtable A simple longtable A simple longtable A simple longtable A simple longtable}\
\hline
\textbf{First entry} & \textbf{Second entry} & \textbf{Third entry} & \textbf{Fourth entry} \
\hline
\endhead \hline \multicolumn{4}{r}{\textit{Continued on next page}} \
\endfoot \hline
\endlastfoot \hline \hline
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \ 1 & 2 & 3 & 4 \
\end{longtable}
\twocolumn
\end{document}

problem formatting longtable caption to match normal table

1 Answers1