tikz/pi: Add

tikz/pi/create.py

@@ -0,0 +1,36 @@
+#!/usr/bin/env python
+
+"""Create a data.csv file."""
+
+import csv
+
+try:
+    # import version included with old SymPy
+    from sympy.mpmath import mp
+except ImportError:
+    # import newer version
+    from mpmath import mp
+
+mp.dps = 1000  # set number of digits
+pi = mp.pi
+print(pi)
+
+# Split pi in groups of two digits
+pi = str(pi)[2:]
+split_pi = []
+for i in range(0, len(pi), 2):
+    part = pi[i:i + 2]
+    if len(part) != 2:
+        continue
+    split_pi.append(part)
+
+# Representation of pi
+data = [("x", "y", "color")]  # header
+for e1, e2 in zip(split_pi, split_pi[1:]):
+    tuple_date = (int(e1), int(e2), "c{}".format(int(int(e1) / 10)))
+    data.append(tuple_date)
+
+# Write data to csv
+with open('data.csv', 'w') as fp:
+    writer = csv.writer(fp, delimiter=',')
+    writer.writerows(data)