python 分形

代码如下：
#!/usr/bin/env python
# -*-coding:UTF-8-*-#
from common import *
import Image, ImageFilter, math, sys, os, random
def modifyImageObj(img, matrix) :
    width, height = img.size   
   
    for h in range(0, height) :       
        for w in range(0, width) :
            pixel = matrix[h][w]
            img.putpixel((w, h), pixel)
    return img
def initMatrix(h, w, v = (0, 0, 0)) :
    result = []
    for _h in range(0, h) :
        row = []
        for _w in range(0, w) :
            row.append(v)
        result.append(row)
    return result
size = (600, 600)
img = Image.new('RGB', size)
h, w = size
matrix = initMatrix(h, w, (0, 0, 0))
m = []
m.append([-0.04, 0, -0.19, -0.47, -0.12, 0.3, 0.25])
m.append([0.65, 0, 0, 0.56, 0.06, 1.56, 0.25])
m.append([0.41, 0.46, -0.39, 0.61, 0.46, 0.4, 0.25])
m.append([0.52, -0.35, 0.25, 0.74, -0.48, 0.38, 0.25])
n = 0
x, y, a, b, c, d, e, f, newx, newy = 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
while n < 300000 :
    r = random.uniform(0, 1)
    if r <= m[0][6] :
        a=m[0][0]
        b=m[0][1]
        c=m[0][2]
        d=m[0][3]
        e=m[0][4]
        f=m[0][5]
    elif r <= m[0][6] + m[1][6] :
        a=m[1][0]
   &nb