
diff -r 23675bc2a768 -r 233afb8cdae2 text/ncat.tex
--- a/text/ncat.tex	Wed Jun 22 23:09:35 2011 -0700
+++ b/text/ncat.tex	Thu Jun 23 09:19:51 2011 -0700
@@ -675,8 +675,107 @@
 We call $P\times \{1\}$ the base of $\vcone(P)$.
 (See Figure \ref{vcone-fig}.)
 \begin{figure}[t]
-$$\mathfig{.65}{tempkw/vcone}$$
-\caption{(a) $P$, (b) $P\times I$, (c) $\Cone(P)$, (d) $\vcone(P)$}\label{vcone-fig}
+\centering
+\begin{tikzpicture}
+	[kw node/.style={circle,fill=orange!70},
+	kw arrow/.style={-latex, very thick, blue!70, shorten >=.06cm, shorten <=.06cm},
+	kw label/.style={cca},
+	]
+
+	\definecolor{cca}{rgb}{.1,.4,.3};
+
+	\node at (0,0) {
+		\begin{tikzpicture}	
+			\draw 
+				(0,0) node[kw node](p1){}
+				(1,.5) node[kw node](p2){}
+				(2,0) node[kw node](p3){};
+			
+			\draw[kw arrow] (p1) -- (p3);
+			\draw[kw arrow] (p2) -- (p3);
+			\draw[kw arrow] (p1) -- (p2);
+			
+			\draw[kw label] (1,-.6) node{(a)};
+		\end{tikzpicture}
+	};
+	
+	\node at (7,0) {
+		\begin{tikzpicture}	
+			\draw 
+				(0,0) node[kw node](p1){}
+				++(0,2.5) node[kw node](q1){}
+				(1,.5) node[kw node](p2){}
+				++(0,2.5) node[kw node](q2){}
+				(2,0)  node[kw node](p3){}
+				++(0,2.5) node[kw node](q3){}
+				;
+			
+			\draw[kw arrow] (p1) -- (p3);
+			\draw[kw arrow] (p2) -- (p3);
+			\draw[kw arrow] (p1) -- (p2);
+			\draw[kw arrow] (q1) -- (q3);
+			\draw[kw arrow] (q2) -- (q3);
+			\draw[kw arrow] (q1) -- (q2);
+			\draw[kw arrow] (p1) -- (q1);
+			\draw[kw arrow] (p2) -- (q2);
+			\draw[kw arrow] (p3) -- (q3);
+
+			\draw[kw label] (1,-.6) node{(b)};
+		\end{tikzpicture}
+	};
+	
+	\node at (0,-5) {
+		\begin{tikzpicture}	
+			\draw 
+				(0,0) node[kw node](p1){}
+				(1,.5) node[kw node](p2){}
+				++(0,2.5) node[kw node](v){}
+				(2,0)  node[kw node](p3){}
+				;
+			
+			\draw[kw arrow] (p1) -- (p3);
+			\draw[kw arrow] (p2) -- (p3);
+			\draw[kw arrow] (p1) -- (p2);
+			\draw[kw arrow] (p1) -- (v);
+			\draw[kw arrow] (p2) -- (v);
+			\draw[kw arrow] (p3) -- (v);
+
+			\draw[kw label] (1,-.6) node{(c)};
+		\end{tikzpicture}
+	};
+	
+	\node at (7,-5) {
+		\begin{tikzpicture}	
+			\draw 
+				(0,0) node[kw node](p1){}
+				++(-2,2.5) node[kw node](q1){}
+				(1,.5) node[kw node](p2){}
+				++(-2,2.5) node[kw node](q2){}
+				++(4,0) node[kw node](v){}
+				(2,0)  node[kw node](p3){}
+				++(-2,2.5) node[kw node](q3){}
+				;
+			
+			\draw[kw arrow] (p1) -- (p3);
+			\draw[kw arrow] (p2) -- (p3);
+			\draw[kw arrow] (p1) -- (p2);
+			\draw[kw arrow] (p1) -- (v);
+			\draw[kw arrow] (p2) -- (v);
+			\draw[kw arrow] (p3) -- (v);
+			\draw[kw arrow] (q1) -- (q3);
+			\draw[kw arrow] (q2) -- (q3);
+			\draw[kw arrow] (q1) -- (q2);
+			\draw[kw arrow] (p1) -- (q1);
+			\draw[kw arrow] (p2) -- (q2);
+			\draw[kw arrow] (p3) -- (q3);
+
+			\draw[kw label] (1,-.6) node{(d)};
+		\end{tikzpicture}
+	};
+	
+\end{tikzpicture}
+\caption{(a) $P$, (b) $P\times I$, (c) $\Cone(P)$, (d) $\vcone(P)$}
+\label{vcone-fig}
 \end{figure}
 
 \nn{maybe call this ``splittings" instead of ``V-cones"?}




