Circle-Packings/fractal_dimension/mcmullen_stuff/icosanode.py

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2021-08-03 13:08:06 -07:00
import numpy as np
import math
class Node:
def __init__(self, tuple, word, words, infertile):
self.tuple = tuple
self.children = []
self.word = word
self.infertile = infertile
words[str(word)] = self
def dc_not_too_big(self, g, generator, dual_curvature):
temp = np.matmul(generator, self.tuple)
if g == 0:
temp = [temp[i] for i in (0,1,8)]
elif g == 1:
temp = [temp[i] for i in (0,1,5)]
elif g == 2:
temp = [temp[i] for i in (1,4,10)]
elif g == 3:
temp = [temp[i] for i in (3,7,9)]
elif g == 4:
temp = [temp[i] for i in (4,5,11)]
elif g == 5:
temp = [temp[i] for i in (6,8,10)]
elif g == 6:
temp = [temp[i] for i in (7,9,11)]
elif g == 7:
temp = [temp[i] for i in (3,6,7)]
elif g == 8:
temp = [temp[i] for i in (2,4,11)]
elif g == 9:
temp = [temp[i] for i in (2,6,10)]
elif g == 10:
temp = [temp[i] for i in (2,7,11)]
elif g == 11:
temp = [temp[i] for i in (2,6,7)]
elif g == 12:
temp = [temp[i] for i in (0,3,9)]
elif g == 13:
temp = [temp[i] for i in (1,4,5)]
elif g == 14:
temp = [temp[i] for i in (1,8,10)]
elif g == 15:
temp = [temp[i] for i in (2,4,10)]
elif g == 16:
temp = [temp[i] for i in (0,5,9)]
elif g == 17:
temp = [temp[i] for i in (0,3,8)]
elif g == 18:
temp = [temp[i] for i in (5,9,11)]
elif g == 19:
temp = [temp[i] for i in (3,6,8)]
return math.sqrt(temp[0]*temp[1] + temp[0]*temp[2] + temp[1]*temp[2]) < dual_curvature
def next_generation(self, words, dual_curvature, generators):
if self.infertile:
return [self]
if self.children == []:
for g,generator in enumerate(generators):
if len(self.word) == 0 or g != self.word[-1]:
self.children.append(Node(np.matmul(generator,self.tuple), self.word[:] + [g], words, not self.dc_not_too_big(g, generator, dual_curvature)))
if self.children == []:
return [self]
else:
return self.children
def next(self):
if self.children == []:
return [self]
else:
return self.children
def leaves(self):
current_leaves = [self]
while True:
new_leaves = []
for leaf in current_leaves:
new_leaves += leaf.next()
if current_leaves == new_leaves:
break
else:
current_leaves = new_leaves
return current_leaves