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% Demonstration of pgf-umlsd.sty, a convenient set of macros for drawing
% UML sequence diagrams. Written by Xu Yuan <xuyuan.cn@gmail.com> from
% Southeast University, China.
% This file is part of pgf-umlsd
% you may get it at
% http://code.google.com/p/pgf-umlsd/
\documentclass{article}
\usepackage{tikz}
\usetikzlibrary{arrows,shadows} % for pgf-umlsd
\usepackage[underline=true,rounded corners=false]{pgf-umlsd}
\begin{document}
\begin{figure}
\centering
\begin{sequencediagram}
\newthread{ss}{:SimulationServer}
\newinst{ctr}{:SimControlNode}
\newinst{ps}{:PhysicsServer}
\newinst[1]{sense}{:SenseServer}
\begin{call}{ss}{Initialize()}{sense}{}
\end{call}
\begin{sdblock}{Run Loop}{The main loop}
\begin{call}{ss}{StartCycle()}{ctr}{}
\begin{call}{ctr}{ActAgent()}{sense}{}
\end{call}
\end{call}
\begin{call}{ss}{Update()}{ps}{}
\begin{messcall}{ps}{PrePhysicsUpdate()}{sense}{state}
\end{messcall}
\begin{sdblock}{Physics Loop}{}
\begin{callself}{ps}{PhysicsUpdate()}{}
\end{callself}
\end{sdblock}
\begin{call}{ps}{PostPhysicsUpdate()}{sense}{}
\end{call}
\end{call}
\begin{call}{ss}{EndCycle()}{ctr}{}
\begin{call}{ctr}{SenseAgent()}{sense}{}
\end{call}
\end{call}
\end{sdblock}
\end{sequencediagram}
\caption{UML sequence diagram demo. The used style-file is
\texttt{pgf-umlsd.sty}, you may get it at
http://code.google.com/p/pgf-umlsd/}
\end{figure}
\begin{figure}
\centering
\begin{sequencediagram}
\tikzstyle{inststyle}+=[bottom color=yellow] % custom the style
\newthread[blue]{ss}{:SimulationServer}
\newinst{ps}{:PhysicsServer}
\newinst[2]{sense}{:SenseServer}
\newthread[red]{ctr}{:SimControlNode}
\begin{sdblock}[green!20]{Run Loop}{The main loop}
\mess{ctr}{StartCycle}{ss}
\begin{call}{ss}{Update()}{ps}{}
\prelevel
\begin{callself}{ctr}{SenseAgent()}{}
\begin{call}[3]{ctr}{Read}{sense}{}
\end{call}
\end{callself}
\prelevel\prelevel\prelevel\prelevel
\setthreadbias{west}
\begin{call}{ps}{PrePhysicsUpdate()}{sense}{}
\end{call}
\setthreadbias{center}
\begin{callself}{ps}{Update()}{}
\begin{callself}{ps}{\small CollisionDetection()}{}
\end{callself}
\begin{callself}{ps}{Dynamics()}{}
\end{callself}
\end{callself}
\begin{call}{ps}{PostPhysicsUpdate()}{sense}{}
\end{call}
\end{call}
\mess{ss}{EndCycle}{ctr}
\begin{callself}{ctr}{ActAgent()}{}
\begin{call}{ctr}{Write}{sense}{}
\end{call}
\end{callself}
\end{sdblock}
\end{sequencediagram}
\caption{Example of a sequence with parallel activities and the
customed style. The used style-file is \texttt{pgf-umlsd.sty}, you
may get it at http://code.google.com/p/pgf-umlsd/}
\end{figure}
\end{document}
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