画像を分割するやつ

4div.py

import sys
from PIL import Image

im = Image.open(sys.argv[1])

(w, h) = im.size


im.crop((0, 0, w/2, h/2)).save("f/a.png")
im.crop((w/2, 0, w, h/2)).save("f/b.png")
im.crop((0, h/2, w/2, h)).save("f/c.png")
im.crop((w/2, h/2, w, h)).save("f/d.png")

fragm.py

import sys
from PIL import Image

im = Image.open(sys.argv[1])

(w, h) = im.size

wn = 3
hn = 3

p = 10


canvas = Image.new("RGB", (w+(p*(wn-1)), h+(p*(hn-1))), (0,0,0))



for y in range(0, hn):
    for x in range(0, wn):
        x1 = x * (w/wn)
        x2 = (x+1) * (w/wn)
        y1 = y * (h/hn)
        y2 = (y+1) * (h/hn)

        fragm = im.crop((x1, y1, x2, y2))
        fragm.save("f/{}-{}.png".format(x, y))

        canvas.paste(fragm, (int(x1+(p*x)), int(y1+(p*y))))


canvas.save("f/t.png")