65 lines
1.6 KiB
Python
65 lines
1.6 KiB
Python
from shapely.geometry import LineString
|
|
import axi
|
|
import random
|
|
|
|
X1 = 0
|
|
X2 = 11
|
|
Y1 = 0
|
|
Y2 = 8.5
|
|
|
|
def make_segment(x1, y1, x2, y2):
|
|
return LineString([(x1, y1), (x2, y2)])
|
|
|
|
def intersections(segments, segment):
|
|
result = []
|
|
for other in segments:
|
|
x = segment.intersection(other)
|
|
if x:
|
|
try:
|
|
result.append((x.x, x.y))
|
|
except Exception:
|
|
pass
|
|
return result
|
|
|
|
def new_segment(segments):
|
|
if random.random() < 0.5:
|
|
x = X1 + random.random() * (X2 - X1)
|
|
x = round(x * 5) / 5
|
|
s = make_segment(x, Y1, x, Y2)
|
|
ixs = intersections(segments, s)
|
|
(x1, y1), (x2, y2) = random.sample(ixs, 2)
|
|
return make_segment(x1, y1, x2, y2)
|
|
else:
|
|
y = Y1 + random.random() * (Y2 - Y1)
|
|
y = round(y * 5) / 5
|
|
s = make_segment(X1, y, X2, y)
|
|
ixs = intersections(segments, s)
|
|
(x1, y1), (x2, y2) = random.sample(ixs, 2)
|
|
return make_segment(x1, y1, x2, y2)
|
|
|
|
def main():
|
|
# seed = random.randint(0, 99999999)
|
|
# print seed
|
|
random.seed(82480774)
|
|
segments = [
|
|
make_segment(X1, Y1, X2, Y1),
|
|
make_segment(X1, Y2, X2, Y2),
|
|
make_segment(X1, Y2, X1, Y1),
|
|
make_segment(X2, Y2, X2, Y1),
|
|
]
|
|
for i in range(50):
|
|
# print i
|
|
segment = new_segment(segments)
|
|
segments.append(segment)
|
|
paths = []
|
|
for segment in segments:
|
|
paths.append(list(segment.coords))
|
|
d = axi.Drawing(paths)
|
|
d = d.sort_paths()
|
|
d = d.join_paths(0.001)
|
|
d.render().write_to_png('out.png')
|
|
axi.draw(d)
|
|
|
|
if __name__ == '__main__':
|
|
main()
|