It is hard to describe what I'm looking for. This is the reason why I have made an image:

Has someone an idea how to do this with LaTeX? The subfloats are no problem, but how can I create "category 1" and "category 2"?
summer
NEW: TikZ book now 40% off at Amazon.com for a short time.
just write them before the subfigures, e.g.summer wrote: Has someone an idea how to do this with LaTeX? The subfloats are no problem, but how can I create "category 1" and "category 2"?
Code: Select all
\documentclass{article}\usepackage[demo]{graphicx}\usepackage{subcaption}\begin{document}\begin{figure}\centeringcategory 1\hfill\begin{subfigure}[c]{0.25\linewidth}\includegraphics[width=0.9\linewidth]{a1}\end{subfigure}%\begin{subfigure}[c]{0.25\linewidth}\includegraphics[width=0.9\linewidth]{a2}\end{subfigure}%\begin{subfigure}[c]{0.25\linewidth}\includegraphics[width=0.9\linewidth]{a3}\end{subfigure}\par\medskip\raisebox{\baselineskip}{category 2}\hfill\begin{subfigure}[c]{0.25\linewidth}\includegraphics[width=0.9\linewidth]{b1}\caption{}\end{subfigure}%\begin{subfigure}[c]{0.25\linewidth}\includegraphics[width=0.9\linewidth]{b2}\caption{}\end{subfigure}%\begin{subfigure}[c]{0.25\linewidth}\includegraphics[width=0.9\linewidth]{b3}\caption{}\end{subfigure}\caption{categorized subfigures}\end{figure}\end{document}
NEW: TikZ book now 40% off at Amazon.com for a short time.