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| import sys
import math
import copy
from random import shuffle
from random import randint
from math import sqrt
import time
from Tkinter import *
objet = []
class Component:
def __init__(self, id_, x_, y_):
self.id = id_
self.x = x_
self.y = y_
self.links = []
def newList():
liste = []
for i in range(5):
for j in range(5):
bob = Component(i*5+j, i, j)
liste.append(bob)
if i > 0 :
liste[i*5 -5 + j].links.append(bob)
bob.links.append(liste[i*5 -5 + j])
if j > 0 :
liste[i*5 -1 + j].links.append(bob)
bob.links.append(liste[i*5 -1 + j])
return liste
def shuffleList(l_):
shuffle(l_)
for i in range(5):
for j in range(5):
l_[i*5+j].x = i
l_[i*5+j].y = j
return l_
def printComponentsList(l_):
for x in l_:
n = []
for item in x.links:
n.append(item.id)
print("[{}]({};{}) -> {}".format(x.id, x.x, x.y, n))
def dist(c1, c2):
val = (c1.x-c2.x)*(c1.x-c2.x) + (c1.y-c2.y)*(c1.y-c2.y)
return sqrt(val)
def energy(l_):
total = 0
for x in l_:
for item in x.links:
total = total + dist(x, item)
return total
def switch(l_):
#print("---pre")
#printComponentsList(l_)
a = randint(0,24)
b = randint(0,24)
lbis = []
for e in l_:
lbis.append(copy.copy(e))
c1 = lbis[a]
c2 = lbis[b]
c1.x = l_[b].x
c1.y = l_[b].y
c2.x = l_[a].x
c2.y = l_[a].y
lbis[a] = c2
lbis[b] = c1
#print("---pre")
#printComponentsList(l_)
#print("---next")
#printComponentsList(lbis)
#print("----")
return lbis
def draw_squares(l_, canvas, fenetre):
canvas.delete(ALL)
canvas.update()
for i in objet:
canvas.delete(fenetre, i)
del objet[:]
for i in l_:
print ("i dans draw_square : ID = ", i.id, ", coordx = ", i.x, ", coordy = ", i.y)
for j in i.links:
x_temp_i = i.x * 50 * 2 + 50
y_temp_i = i.y * 50 * 2 + 50
x_temp_j = j.x * 50 * 2 + 50
y_temp_j = j.y * 50 * 2 + 50
#a = canvas.create_line(x_temp_i + 25, y_temp_i + 25, x_temp_j + 25, y_temp_j + 25)
b = canvas.create_rectangle(x_temp_i, y_temp_i, x_temp_i + 50, y_temp_i + 50, fill="white")
c = canvas.create_rectangle(x_temp_j, y_temp_j, x_temp_j + 50, y_temp_j + 50, fill="white")
d = canvas.create_text(x_temp_i + 25, y_temp_i + 25, text=i.id, font="Arial 15", fill="blue")
e = canvas.create_text(x_temp_j + 25, y_temp_j + 25, text=j.id, font="Arial 15", fill="blue")
#objet.append(a)
objet.append(b)
objet.append(c)
objet.append(d)
objet.append(e)
canvas.update()
def boucle(liste, canvas, fenetre):
s = liste
e = energy(liste)
k = 0
while k < 100:
sn = switch(s)
en = energy(sn)
if en < e :
s = sn
e = en
print("Energy: {}".format(en));
canvas.delete(ALL)
draw_squares(s, canvas, fenetre)
printComponentsList(s)
k += 1
def main():
fenetre = Tk();
canvas = Canvas(fenetre, width=550, height=550)
canvas.pack()
liste = newList()
printComponentsList(liste)
draw_squares(liste, canvas, fenetre)
print("Energy: {}".format(energy(liste)));
liste = shuffleList(liste)
printComponentsList(liste)
draw_squares(liste, canvas, fenetre)
print("Energy: {}".format(energy(liste)));
btn = Button(text='go', command= lambda liste=liste, canvas=canvas, fenetre=fenetre:boucle(liste, canvas, fenetre))
btn.pack();
fenetre.mainloop()
if __name__ == '__main__': main() |
