I am trying to embed a longtable in landscape mode. What I have always done is put \usepackage{longtable} and \usepackage{pdflscape} in the preamble, then put the table between \begin{landscape} and \end{landscape}. But this is simply not working on the file I have posted at this link. When I export to pdf, the first page comes out empty, and the second page clips the bottom rows.
Sorry for this trivial question, but I simply can't figure it out.
1 Answer
Simply adding \usepackage{longtable} to the preamble does not mean that all tables automatically are allowed to break across pages. The standard LaTeX environment for tables, which is used by LyX as default, is called tabular, and does not break across pages. The longtable package defines a new table environment by the same name which can break across pages (between table rows). Small LaTeX code example:
\documentclass{article}
\usepackage{longtable}
\begin{document}
Default \texttt{tabular}, can not break across pages:
\begin{tabular}{c}
...
\end{tabular}
\texttt{longtable}, can break across pages:
\begin{longtable}{c}
...
\end{longtable}
\end{document}
You have to tell LyX to use the latter construct. This is done in the tabular settings, which is found by right clicking inside the table, and choosing More --> Settings. The third tab is called Longtable, and there is a check box Use long table at the top that must be checked, see screenshot below. This will also add \usepackage{longtable} to the preamble, so it is not necessary to do that manually.
answered Nov 18, 2013 at 12:28
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Many thanks for the detailed response, Torbjørn. I just accepted it as correct.– user3671Nov 19, 2013 at 8:14
longtable, but a normaltabular, and that cannot break across pages.\usepackage{longtable}to the preamble does nothing. You have to go into the table settings and activate Use long table in the Longtable tab. This would also add the package to the preamble, so there's no need to do that manually.