From 749cedb8d78149bd1de04d027138567dd26027e1 Mon Sep 17 00:00:00 2001
From: nojhan <nojhan@gmail.com>
Date: Sun, 24 Jul 2011 08:06:06 +0200
Subject: [PATCH] use a L-system to generate a penrose tiling and save it in
 the TSPlib format

---
 penrose_tsp.py | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 penrose_tsp.py

diff --git a/penrose_tsp.py b/penrose_tsp.py
new file mode 100644
index 0000000..0cb94b0
--- /dev/null
+++ b/penrose_tsp.py
@@ -0,0 +1,33 @@
+import lindenmayer
+import tsplib
+import sys
+
+depth = 1
+if len(sys.argv) > 1:
+    depth = int( sys.argv[1] )
+
+segment_size = 10
+float_rounding = 10
+
+import turtle
+ttl = turtle.Turtle()
+ttl.speed('fastest')
+penrose = lindenmayer.DumpTurtleLSystem(ttl, 
+        axiom="[X]++[X]++[X]++[X]++[X]", 
+        rules={
+            'F': "",
+            'W': "YF++ZF----XF[-YF----WF]++",
+            'X': "+YF--ZF[---WF--XF]+",
+            'Y': "-WF++XF[+++YF++ZF]-",
+            'Z': "--YF++++WF[+ZF++++XF]--XF"
+        }, 
+        angle=36, heading=0, size=segment_size, rounding=float_rounding )
+
+penrose.draw( depth )
+#print penrose
+
+#plot_segments( penrose.segments )
+
+
+tsplib.write_segments( penrose.segments, segment_size, depth, float_rounding, fd=sys.stdout )
+