Gluing an Edge at a Trivalent Trace Diagram Vertex

Snippets Page

Trivalent diagram with a single vertex, and a blue strand adjacent to the vertex.

# Source Code

``````\tikz[trivalent]{
\coordinate(vxa)at(.5,.5)
edge[]node[rightlabel,pos=1]{\$a\$}(.5,-.1)
edge[bend left]node[rightlabel,pos=1]{\$c\$}(0,1.1)
edge[bend right]node[rightlabel,pos=1]{\$b\$}(1,1.1);
\draw[blue](.3,-.1)to[wavyup](-.2,1.1)node[leftlabel]{\$1\$};}
\tikz[trivalent]{
\coordinate(vxa)at(.5,.5)
edge[]node[leftlabel,pos=1]{\$a\$}(.5,-.1)
edge[bend left]node[leftlabel,pos=1]{\$b\$}(0,1.1)
edge[bend right]node[leftlabel,pos=1]{\$c\$}(1,1.1);
\draw[blue](.7,-.1)to[wavyup](1.2,1.1)node[rightlabel]{\$1\$};}
\tikz[trivalent]{
\coordinate(vxa)at(.5,.5)
edge[]node[rightlabel,pos=1]{\$a\$}(.5,1.1)
edge[bend left]node[rightlabel,pos=1]{\$b\$}(1,-.1)
edge[bend right]node[rightlabel,pos=1]{\$c\$}(0,-.1);
\draw[blue](-.2,-.1)to[wavyup](.3,1.1)node[leftlabel]{\$1\$};}
\tikz[trivalent]{
\coordinate(vxa)at(.5,.5)
edge[]node[leftlabel,pos=1]{\$a\$}(.5,1.1)
edge[bend left]node[leftlabel,pos=1]{\$c\$}(1,-.1)
edge[bend right]node[leftlabel,pos=1]{\$b\$}(0,-.1);
\draw[blue](1.2,-.1)to[wavyup](.7,1.1)node[rightlabel]{\$1\$};}```
```
page revision: 2, last edited: 26 Jan 2009 15:13