added voronoi anim pyscript and integrated Jacopo comments on readme

buzz_scripts/log/anim_voronoi_cells.py

@@ -0,0 +1,28 @@
+#!/usr/bin/python
+import matplotlib.pyplot as plt
+plt.style.use('seaborn-whitegrid')
+import matplotlib.animation as animation
+import numpy as np
+import csv
+
+fig = plt.figure()
+ax = fig.add_subplot(1,1,1)
+axes = plt.gca()
+axes.set_xlim([-70,70])
+axes.set_ylim([-70,70])
+datafile = open('src/rosbuzz/buzz_scripts/log/voronoi_4.csv', 'r')
+Vorreader = csv.reader(datafile, delimiter=',')
+
+def animate(i):
+    for row in Vorreader:
+        ax.clear()
+#        ax.plot([-50, -50, 50, 50, -50],[-50, 50, 50, -50, -50],'b--')
+        j = 1
+        while j < len(row)-2:
+            ax.plot([float(row[j]), float(row[j+2])], [float(row[j+1]), float(row[j+3])])
+            j += 6
+        ax.plot(float(row[len(row)-2]),float(row[len(row)-1]),'x')
+        return
+
+ani = animation.FuncAnimation(fig, animate, interval=250)
+plt.show()