您必须致电nx.draw_networkx_edge_labels()
,这将使您能够…绘制networkX边缘标签:)
编辑:完整修改的源
#!/usr/bin/python
import networkx as nx
import matplotlib.pyplot as plt
G=nx.Graph()
i=1
G.add_node(i,pos=(i,i))
G.add_node(2,pos=(2,2))
G.add_node(3,pos=(1,0))
G.add_edge(1,2,weight=0.5)
G.add_edge(1,3,weight=9.8)
pos=nx.get_node_attributes(G,'pos')
nx.draw(G,pos)
labels = nx.get_edge_attributes(G,'weight')
nx.draw_networkx_edge_labels(G,pos,edge_labels=labels)
plt.savefig(<wherever>)