08.01-Chu_2013.tex

\documentclass[tikz]{standalone}
\usepackage{units}
\usepackage{helvet}
\usepackage[T1]{sansmath}
\renewcommand{\familydefault}{\sfdefault}
\normalfont

\begin{document}
\begin{sansmath}
\footnotesize    
\tikzstyle{task} = [
	draw, 
	minimum height = 1.0cm,
	minimum width = 1.5cm,
	fill=yellow!0,
	rectangle,
	text centered]
	
\tikzstyle{state} = [
	draw,
	minimum height = 0.7cm,
	circle]

\begin{tikzpicture}[auto,thick,node distance = 1cm, scale=0.95]
    %\draw[step=1cm,gray,very thin] (0,0) grid (16,9);
  
  	% states
  	\draw ( 0, 8) node [state] (M1) {M1};
  	\draw ( 0,6.67) node [state] (M2) {M2};
  	\draw ( 0,5.33) node [state] (M3) {M3};
  	\draw ( 0, 4) node [state] (M4) {M4};
  	\draw ( 4, 6) node [state] (I1) {I1};
  	\draw ( 6, 4) node [state] (I2) {I2};
  	\draw ( 8, 8) node [state] (I3) {I3};
  	\draw ( 8, 6) node [state] (I4) {I4};
  	\draw (12, 8) node [state] (I5) {I5};
  	\draw (12, 6) node [state] (I6) {I6};
  	\draw (16,10) node [state] (P1) {P1};
  	\draw (16, 8) node [state] (P2) {P2};
  	\draw (16, 6) node [state] (P3) {P3};
  	\draw (16, 4) node [state] (P4) {P4};

	% tasks
	\draw ( 2, 6) node [task] (RMPrep) {RM Prep};
	\draw ( 4, 8) node [task] (Reaction1) {Reaction 1};
	\draw ( 4, 4) node [task] (Reaction2) {Reaction 2};
	\draw ( 6, 6) node [task] (Reaction3) {Reaction 3};
	\draw (10, 8) node [task] (Packing1) {Packing 1};
	\draw (10, 6) node [task] (Packing2) {Packing 2};
	\draw (14, 8) node [task] (Drum1) {Drum 1};
	\draw (14, 6) node [task] (Drum2) {Drum 2};
	
    % state to task arcs
    \draw [->] (M1) -- node [below] {80\%} (Reaction1);
    \draw [->] (M2) -- node [above] {50\%} (RMPrep);
    \draw [->] (M3) -- node [below] {50\%} (RMPrep);
    \draw [->] (M4) -- node [above] {70\%} (Reaction2);
    \draw [->] (I1) -- node [left] {20\%} (Reaction1);
    \draw [->] (I1) -- node [left] {30\%} (Reaction2);
    \draw [->] (I1) -- node [below] {40\%} (Reaction3);
    \draw [->] (I2) -- node [left] {60\%} (Reaction3);
    \draw [->] (I3) -- (Packing1);
    \draw [->] (I4) -- (Packing2);
    \draw [->] (I5) -- (Drum1);
    \draw [->] (I6) -- (Drum2);

	% task to state arcs
	\draw [->] (RMPrep) -- (I1);
    \draw [->] (Packing1) -- node [right] {50\%} ++(0,2) -- (P1);
    \draw [->] (Packing1) -- node [above] {50\%} (I5);
    \draw [->] (Drum1) -- (P2);
    \draw [->] (Drum2) -- (P3);
    \draw [->] (Packing2) -- node [right] {50\%} ++(0,-2) -- (P4);
    \draw [->] (Packing2) -- node [above] {50\%} (I6);
    \draw [->] (Reaction1) -- (I3);
	\draw [->] (Reaction2) -- (I2);
	\draw [->] (Reaction3) -- (I4);

\end{tikzpicture}
\end{sansmath}
\end{document}