\renewcommand{\tdx}{0.5} % depth of 3d

\renewcommand{\tdx}{0.5} % depth of 3d
\renewcommand{\tdy}{30}

\def\onecol{red}
\def\twocol{green}
%-------------------------------------------------
%this is the way to redefine styles
% \newpsstyle{mytickstyle}{linewidth=1pt,linecolor=blue}
%
\newpsstyle{diagframestyle}{linewidth=1pt,linecolor=black,fillcolor=white}
\renewcommand\numbercolor{\black\bf}
\renewcommand{\betweenticks}{200}
\bardiagrambegin{15}{1000}{3cm}{1}{3}{1cm}{0.01cm}
\baritem{}{721}{\onecol}
\subbaritem{Jelger}{500}{\twocol}
\baritem{}{412}{\onecol}
\subbaritem{Johan}{500}{\twocol}
\baritem{}{810}{\onecol}
\subbaritem{Rikkert}{500}{\twocol}
\baritem{}{310}{\onecol}
\subbaritem{Henk}{500}{\twocol}
\baritem{}{0}{\onecol}
\subbaritem{New Guy}{542}{\twocol}
\drawlevellines
% Legend
%\diagLegendoptions{yellow}{yellow}{0.0pt}
%
\diagLegendbegin{10}{890}{3.5}
\diagLegenditem{19.12.2002}{\onecol}
\diagLegenditem{06.05.2003}{\twocol}
\diagLegendend
\bardiagramend{\large Cluster Users}{\large Jobs Submitted}