Centering a column vertically with longtable and pictures in rows

Question

I am having trouble vertically centering the first row to be in the middle of the pictures. I have tried:

\raisebox{-.5\height}{\includegraphics
raisebox{\dimexpr-.5\height+.5\ht\strutbox\relax} {\includegraphics
\adjustbox{valign=m}

Problem with these were that they had no vertical empty space left between the rows...do you know how to fix this?

Or should I use another tactic to center the first row?

Thanks a lot guys!

\begin{longtable}{@{\extracolsep{\fill}}c c c c c r@{}}\toprule
Var. & Aufnahme & Positionierung & Ausrichtung-Drehung Y & Führung X&amp;Y & Anschlag X&amp;Y    \
\midrule\[3pt]
1 &      {\includegraphics[width=1in]{Projekte/LV1.jpeg}}
      &  {\includegraphics[width=1in]{Projekte/IMG_6228.jpg}}

      &

      &

      & \
2 &      {\includegraphics[width=1in]{Projekte/LV2.jpeg}}
      &  {\includegraphics[width=1in]{Projekte/IMG_6235.jpg}} 
      &

      &

      & \
3 &      {\includegraphics[width=1in]{Projekte/LV3.jpeg}}
      &  {\includegraphics[width=1in]{Projekte/IMG_6236.jpg}}
      &

      &

      & \
4 &      {\includegraphics[width=1in]{Projekte/LV4.jpeg}}
      &

      &

      &

      & \
5 &      {\includegraphics[width=1in]{Projekte/LV5.jpeg}}
      &

      &

      &

      & \
6 &      {\includegraphics[width=1in]{Projekte/LV6.jpeg}}
      &

      &

      &

      & \
7 &     {\includegraphics[width=1in]{Projekte/LV7.jpeg}}&  &  &  & \
8 &     {\includegraphics[width=1in]{Projekte/LV8.jpeg}}&  &  &  & \
  \hline

\end{longtable}

Welcome to TeX SX! Try with the cellspacepackage, which lets you define minimal vertical spacing at the top and bottom of cells in columns with specifier prefixed with the letter S (or C if you load siunitx). — Bernard, Nov 20 '20 at 23:29
@GiovanniGorza -- please see if the answer meets the requirement -- you could off course experiment with the textwidth and linewidth to taste — js bibra, Nov 21 '20 at 01:37

score 1 · Accepted Answer · answered Nov 21 '20 at 03:10

With use of adjustbox packages is just fine. Assuming that all columns except the first contain images of the same width, then your table can be written as follows:

\documentclass[a4paper]{scrreprt}
%---------------- show page layout. don't use in a real document!
\usepackage{showframe}
\renewcommand\ShowFrameLinethickness{0.15pt}
\renewcommand*\ShowFrameColor{\color{red}}
%---------------------------------------------------------------%
\usepackage[T1]{fontenc}
\usepackage[ngerman,english]{babel}
\usepackage{booktabs, longtable, makecell}
\usepackage[export]{adjustbox}  % it load graphicx too
\begin{document}
\begingroup
\setlength\tabcolsep{3pt}
\adjustboxset{width=0.17\linewidth,valign=c, margin=0pt 3pt 0pt 3pt}
\begin{longtable}{@{} *{6}{c} @{}}
Var.    &   Aufnahme 
            &   Positionierung 
                &   \makecell{Ausrichtung-\Drehung Y} 
                    &   \makecell{Führung\ X&amp;Y} 
                        &   \makecell{Anschlag\ X&amp;Y}    \
\toprule
1 & \adjustimage{}{example-image-a}
  & \adjustimage{}{example-image-b} 
  & \adjustimage{}{example-image-c} 
  & %\adjustimage{}{example-image}

  & %\adjustimage{}{example-image}

  \
2 & \adjustimage{}{example-image-a}
  & \adjustimage{}{example-image-b}
  & \adjustimage{}{example-image-c}
  & \adjustimage{}{example-image}
  & \adjustimage{}{example-image}
  \
\bottomrule
\end{longtable}
\endgroup
\end{document}

which gives:

(red lines indicate page layout)

In cases, when last five columns in the table not contain images, those columns will adopt to cells content.

that worked perfectly! Thanks so much! – Giovanni Gorza Nov 21 '20 at 11:16 — Giovanni Gorza, Nov 21 '20 at 11:16

score 0 · Answer 2 · answered Nov 21 '20 at 01:36

Does this serve the purpose -- as adapted from --

https://tex.stackexchange.com/a/457216/197451

\documentclass[a4paper]{scrreprt}
\usepackage[T1]{fontenc}
\usepackage[utf8]{inputenc}
\usepackage[ngerman,english]{babel}
\usepackage{longtable}
\usepackage{array}
\usepackage{booktabs}
\usepackage{graphicx}
\newcommand{\lowincludegraphics}[2][]{%
  \raisebox{-0.7\dp\strutbox}{\includegraphics[#1]{#2}}%
}
\begin{document}
\begin{longtable}{
  c
  m{0.4\textwidth}
  m{0.4\textwidth}
}
Index & \multicolumn{1}{c}{Figure1} & \multicolumn{1}{c}{Figure2} \
\toprule
1 & \lowincludegraphics[width=\linewidth]{example-image-a} 
  & \lowincludegraphics[width=\linewidth]{example-image-a} \
\bottomrule
\end{longtable}
\end{document}

Centering a column vertically with longtable and pictures in rows

2 Answers2

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