tikz: Visualization of pi

tikz/pi/data.csv

@@ -0,0 +1,499 @@
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tikz/pi/pi.tex

@@ -25,7 +25,7 @@
     }
     \csvreader[ head to column names]%
                 {data.csv}{}{%
-    \path (\x) edge [bend right, \color] (\y);
+    \path (\x) edge [bend right, color=\color] (\y);
     }
 \end{tikzpicture}
 \end{document}