[英]How to properly position edge labels on the edges of graph using networkx?
我已经编写了一个代码来从 csv 文件创建一个图形,如下所示
import matplotlib.pyplot as plt
import networkx as nx
import pandas as pd
df = pd.read_csv("pracmap.csv")
g = nx.Graph()
Vlandict = {}
for idx, e in df.iterrows():
edge_list = []
EL={}
ctr = 1
for dev in ['DEVICE1', 'DEVICE3', 'DEVICE4', 'DEVICE2']:
# print(e[dev])
if e[dev] == "NONE":
continue
edge_list.append(e[dev])
# print(edge_list)
if ctr == 2:
unode = edge_list[0]
vnode = edge_list[1]
Vlandict[(unode, vnode)] = e['VLAN']
edge_list.reverse()
edge_list.pop()
else:
ctr = ctr +1
print(g.nodes)
pos = nx.spring_layout(g, k=0.5, iterations=20)
nx.draw_networkx_edge_labels(g, pos, edge_labels=Vlandict, font_color='green',label_pos=0.5, rotate=False, font_size=8)
nx.draw(g, with_labels=1,node_shape="s",bbox=dict(facecolor="orange", edgecolor='black', boxstyle='round,pad=0.2'))
plt.savefig("pracmappp.png", format="PNG")
plt.show()
这种图像我得到的边缘标签位置不正确。 我想 position 这些边缘标签在边缘:
代替
nx.draw(g, with_labels=1,node_shape="s",bbox=dict(facecolor="orange", edgecolor='black', boxstyle='round,pad=0.2'))
利用
nx.draw(g, pos=pos, with_labels=1,node_shape="s",bbox=dict(facecolor="orange", edgecolor='black', boxstyle='round,pad=0.2'))
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