From 9daaea00f05306ae1b920874267d8940ab47a0ce Mon Sep 17 00:00:00 2001
From: Robin Clark <robin48gx@gmail.com>
Date: Sun, 12 Jun 2011 13:52:21 +0100
Subject: [PATCH] ARRRGGGGHHH tikz with a spelling mistake, errors are so
 difficult to find

---
 .../System_safety_2011/submission.tex         | 52 ++-----------------
 1 file changed, 5 insertions(+), 47 deletions(-)

diff --git a/fmmd_concept/System_safety_2011/submission.tex b/fmmd_concept/System_safety_2011/submission.tex
index bfcd076..4cab1b7 100644
--- a/fmmd_concept/System_safety_2011/submission.tex
+++ b/fmmd_concept/System_safety_2011/submission.tex
@@ -403,7 +403,7 @@ we can assign the failure modes of $OPEN$ and $SHORT$ to each of the resistors.
 This is shown as a graph in figure \ref{fig:rdag}.
 
 %\ifthenelse {\boolean{dag}}
-{
+%{
 We can now represent a resistor in terms of its failure modes as a directed acyclic graph (DAG)
 (see figure \ref{fig:rdag}).
 \begin{figure}[h+]
@@ -424,7 +424,7 @@ We can now represent a resistor in terms of its failure modes as a directed acyc
  \caption{DAG representing a reistor and its failure modes}
  \label{fig:rdag}
  \end{figure}
-}
+%}
 %{
 %}
 Thus or the potential divider in the circuit in figure~\ref{fig:pd}, 
@@ -432,59 +432,17 @@ $R1$ has failure modes $\{R1\_OPEN, R1\_SHORT\}$ and $R2$ has failure modes $\{R
 
 
 %\clearpage
-\section{Failure Mode Analysis of the Potential Divider}
+\paragraph{Failure Mode Analysis of the Potential Divider}
 
 
 %\ifthenelse {\boolean{dag}}
-{
+%{
 Modelling the two resistors as a functional group, we present this as a directed graph.
 %failure modes, taken from the components R1 and R2,
 %in the potential divider, shown 
 in figure \ref{fig:fg1dag}.
-\begin{figure}
- \centering
- \begin{tikzpicture}[shorten >=1pt,->,draw=black!50, node distance=\layersep]
-     \tikzstyle{every pin edge}=[<-,shorten <=1pt]
-     \tikzstyle{fmmde}=[circle,fill=black!25,minimum size=30pt,inner sep=0pt]
-     \tikzstyle{component}=[fmmde, fill=green!50];
-     \tikzstyle{failure}=[fmmde, fill=red!50];
-     \tikzstyle{symptom}=[fmmde, fill=blue!50];
-     \tikzstyle{annot} = [text width=4em, text centered]
- 
-     \node[component] (R1) at (0,-4) {$R_1$};
-     \node[component] (R2) at (0,-6) {$R_2$};
 
-     \node[failure] (R1SHORT) at (\layersep,-2) {$R1_{SHORT}$};
-     \node[failure] (R1OPEN) at (\layersep,-4) {$R1_{OPEN}$};
 
-     \node[failure] (R2SHORT) at (\layersep,-6) {$R2_{SHORT}$};
-     \node[failure] (R2OPEN) at (\layersep,-8) {$R2_{OPEN}$};
- 
-     \path (R1) edge (R1SHORT);
-     \path (R1) edge (R1OPEN);
-
-     \path (R2) edge (R2SHORT);
-     \path (R2) edge (R2OPEN);
-
-     % Potential divider failure modes
-     %  
-     %\node[symptom]  (PDHIGH) at (\layersep*2,-4) {$PD_{HIGH}$};
-     %\node[symptom] (PDLOW) at (\layersep*2,-6) {$PD_{LOW}$};
-
-     %\path (R1OPEN) edge (PDHIGH);
-     %\path (R2SHORT) edge (PDHIGH);
-
-     %\path (R2OPEN) edge (PDLOW);
-     %\path (R1SHORT) edge (PDLOW);
-
- \end{tikzpicture}
-
- \caption{DAG representing the functional group `Potential Divider'}
- \label{fig:fg1dag}
- \end{figure}
-}
-%{
-%}
 
 We can now look at each of these base component failure modes,
 and determine how they will affect the operation of the potential divider.
@@ -521,7 +479,7 @@ This is represented in the DAG in figure \ref{fig:fg1adag}.
      \tikzstyle{every pin edge}=[<-,shorten <=1pt]
      \tikzstyle{fmmde}=[circle,fill=black!25,minimum size=30pt,inner sep=0pt]
      \tikzstyle{component}=[fmmde, fill=green!50];
-     \tikzstyle{faitinylure}=[fmmde, fill=red!50];
+     \tikzstyle{failure}=[fmmde, fill=red!50];
      \tikzstyle{symptom}=[fmmde, fill=blue!50];
      \tikzstyle{annot} = [text width=4em, text centered]