I'd appreciate help centering the contents of the topmost row vertically and horizontally in their cells(?). I've tried using \multicolumn without luck.
\documentclass[10pt,a4paper]{scrreprt}
\usepackage{classicthesis-ldpkg}
\usepackage{multicol}
\usepackage{multirow}
\usepackage{rotating}
\begin{document}
\begin{sidewaystable}
\centering
\renewcommand\multirowsetup{\centering}
\begin{tabular}{|>{\centering}p{20mm}|>{\centering}p{18mm}|>{\centering}p{20mm}|>{\centering}p{18mm}|>{\centering}p{20mm}|>{\centering}p{20mm}|>{\centering}m{15mm}|>{\centering}m{20mm}|>{\centering}m{15mm}|m{20mm}<{\centering}|} \hline
\multirow{2}{20mm}{Head Model} & \# SG computed & \# Computed directly & \# SG Corrected & \# SG Approximated & SMAS triangle count & \multicolumn{2}{>{\centering}p{35mm}|}{Machine~1} & \multicolumn{2}{>{\centering}p{35mm}|}{Machine~2} \\ \cline{7-10}
& & & & & & Runtime & \% spent calc geodesics & Runtime & \% spent calc geodesics \\ \hline
African & 1102 & 994 & 102 & 56 & -- & 499~sec. (8.3~min.) & 77\% & -- & -- \\ \hline
\end{tabular}
\end{sidewaystable}
\end{document}
multirowpackage was missing from the original code. I've added it. – Gonzalo Medina Aug 12 '11 at 01:19