| Current Path : /proc/thread-self/root/usr/local/share/doc/networkx-2.5/examples/drawing/ |
Linux ift1.ift-informatik.de 5.4.0-216-generic #236-Ubuntu SMP Fri Apr 11 19:53:21 UTC 2025 x86_64 |
| Current File : //proc/thread-self/root/usr/local/share/doc/networkx-2.5/examples/drawing/plot_ego_graph.py |
"""
=========
Ego Graph
=========
Example using the NetworkX ego_graph() function to return the main egonet of
the largest hub in a Barabási-Albert network.
"""
from operator import itemgetter
import matplotlib.pyplot as plt
import networkx as nx
# Create a BA model graph
n = 1000
m = 2
G = nx.generators.barabasi_albert_graph(n, m)
# find node with largest degree
node_and_degree = G.degree()
(largest_hub, degree) = sorted(node_and_degree, key=itemgetter(1))[-1]
# Create ego graph of main hub
hub_ego = nx.ego_graph(G, largest_hub)
# Draw graph
pos = nx.spring_layout(hub_ego)
nx.draw(hub_ego, pos, node_color="b", node_size=50, with_labels=False)
# Draw ego as large and red
options = {"node_size": 300, "node_color": "r"}
nx.draw_networkx_nodes(hub_ego, pos, nodelist=[largest_hub], **options)
plt.show()