Circle-Packings/fractal_dimension/mcmullen_stuff/septanode.py
2021-07-16 00:59:31 -04:00

48 lines
No EOL
1.6 KiB
Python

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 <= 6:
temp = [temp[i] for i in (g%7, (g+1)%7, 7)]
else:
temp = [temp[i] for i in (g%7, (g+1)%7, 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