added spiral update

tikz/topology-r-spiral-covering-s/topology-r-spiral-covering-s.tex

@@ -4,8 +4,6 @@
 \usetikzlibrary{decorations.markings}
 \pgfplotsset{compat=newest}
 
-\def\Point{36.9}
-
 \begin{document}
 \begin{tikzpicture}
 \draw[->, thick] (7,5) -- (7, 2) node [midway, right] {$p$};