mirror of
https://github.com/osmarks/random-stuff
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51 lines
971 B
Python
51 lines
971 B
Python
# https://www2.isye.gatech.edu/~jjb/research/mow/mow.pdf
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def sierpinski_index(x, y, w):
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index = w
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result = 0
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if x > y:
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result += 1
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x = w - x
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y = w - y
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while index > 0:
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result *= 2
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if x + y > w:
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result += 1
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old_x = x
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x = w - y
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y = old_x
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x *= 2
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y *= 2
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result *= 2
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if y > w:
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result += 1
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old_x = x
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x = y - w
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y = w - old_x
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index //= 2
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return result
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import itertools
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from PIL import Image, ImageDraw
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width = 22
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thing = 16
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border = 8
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points = list(itertools.product(range(width), range(width)))
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print(points)
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points.sort(key=lambda xy: sierpinski_index(xy[0], xy[1], width))
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print(points)
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def scale(point):
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x, y = point
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return x * thing + border, y * thing + border
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img = Image.new("RGB", ((width - 1) * thing + border * 2, (width - 1) * thing + border * 2))
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draw = ImageDraw.Draw(img)
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for sp, ep in zip(points, points[1:]):
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draw.line((scale(sp), scale(ep)), fill="white", width=0)
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img.show()
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img.save("/tmp/apio.png") |