1 files changed, 0 insertions, 50 deletions
diff --git a/Demo/tkinter/guido/brownian.py b/Demo/tkinter/guido/brownian.py
deleted file mode 100644
index 7ab3e67..0000000
--- a/Demo/tkinter/guido/brownian.py
+++ /dev/null
@@ -1,50 +0,0 @@
-# Brownian motion -- an example of a multi-threaded Tkinter program.
-
-from tkinter import *
-import random
-import threading
-import time
-import sys
-
-WIDTH = 400
-HEIGHT = 300
-SIGMA = 10
-BUZZ = 2
-RADIUS = 2
-LAMBDA = 10
-FILL = 'red'
-
-stop = 0                                # Set when main loop exits
-
-def particle(canvas):
-    r = RADIUS
-    x = random.gauss(WIDTH/2.0, SIGMA)
-    y = random.gauss(HEIGHT/2.0, SIGMA)
-    p = canvas.create_oval(x-r, y-r, x+r, y+r, fill=FILL)
-    while not stop:
-        dx = random.gauss(0, BUZZ)
-        dy = random.gauss(0, BUZZ)
-        dt = random.expovariate(LAMBDA)
-        try:
-            canvas.move(p, dx, dy)
-        except TclError:
-            break
-        time.sleep(dt)
-
-def main():
-    global stop
-    root = Tk()
-    canvas = Canvas(root, width=WIDTH, height=HEIGHT)
-    canvas.pack(fill='both', expand=1)
-    np = 30
-    if sys.argv[1:]:
-        np = int(sys.argv[1])
-    for i in range(np):
-        t = threading.Thread(target=particle, args=(canvas,))
-        t.start()
-    try:
-        root.mainloop()
-    finally:
-        stop = 1
-
-main()