mirror of
https://github.com/kalmarek/SmallHyperbolic
synced 2024-11-09 04:05:27 +01:00
42 lines
1.1 KiB
Python
42 lines
1.1 KiB
Python
|
import networkx
|
||
|
|
import json
|
||
|
|
import os
|
||
|
|
|
||
|
|
DATA_DIR = os.path.join("..", "..", "data")
|
||
|
|
|
||
|
|
MORPHISMS_FILE = os.path.join(DATA_DIR, "morphisms.dot")
|
||
|
|
MORPHISMS_JSON = os.path.join(DATA_DIR, "triangle_groups_morphisms.json")
|
||
|
|
|
||
|
|
def level(G, node):
|
||
|
|
parents = list(G.predecessors(node))
|
||
|
|
if len(parents) == 0:
|
||
|
|
return 0
|
||
|
|
else:
|
||
|
|
return 1 + max([level(G, n) for n in parents])
|
||
|
|
|
||
|
|
def nodes_from_component(G, cc, graph_json):
|
||
|
|
subG = networkx.induced_subgraph(G, cc)
|
||
|
|
assert networkx.is_weakly_connected(subG)
|
||
|
|
|
||
|
|
root = [n for n,d in subG.in_degree() if d==0][0]
|
||
|
|
|
||
|
|
for node in graph_json["nodes"]:
|
||
|
|
if node["id"] in subG:
|
||
|
|
print(node)
|
||
|
|
n = node["id"]
|
||
|
|
node["level"] = level(G, n)
|
||
|
|
node["component_id"] = root
|
||
|
|
|
||
|
|
return graph_json
|
||
|
|
|
||
|
|
G = networkx.nx_pydot.read_dot(MORPHISMS_FILE)
|
||
|
|
G_json = networkx.node_link_data(G)
|
||
|
|
G_components = networkx.weakly_connected_components(G)
|
||
|
|
|
||
|
|
for cc in G_components:
|
||
|
|
nodes_from_component(G, cc, G_json)
|
||
|
|
|
||
|
|
with open(MORPHISMS_JSON, "w") as file:
|
||
|
|
print("writing to ", MORPHISMS_JSON, "\n")
|
||
|
|
json.dump(G_json, file, indent=4)
|