Networkx 绘图标签部分在框外

问题描述

只需绘制一个非常简单的 4 节点网络，

Just draw a very simple 4-node network,

import networkx as nx
import matplotlib.pyplot as plt
G = nx.Graph()
node1 = "116.251.211.248"
node2 = "5.79.100.165"
node3 = "http.anturis.com"
node4 = "s411993.ip-37-187-141.eu"
G.add_node(node1)
G.add_node(node2)
G.add_node(node3)
G.add_node(node4)
G.add_weighted_edges_from([(node1, node2, 0.742345), (node1, node3, 0.916954), (node1, node4, 0.662011), (node1, node4, 0.818537), (node2, node3, 0.947824), (node2, node4, 0.800774), (node3, node4, 0.928537)])
pos=nx.shell_layout(G)
nx.draw(G, pos, with_labels=True)
plt.show()

我的问题是边缘标签部分落在框外

My problem is the edge labels fall partially outside of the box

我是用 networkx 绘图的新手.如何向左右添加边距以便显示完整标签?

I am new to drawing with networkx. How do I add margins to the left and right so the full labels can be shown?

推荐答案

不幸的是，似乎没有用于修复边距的自动化程序.您可以通过调用 plt.xlim(xmin,xmax) 手动调整边距.由于您知道节点位置 (pos)，因此您可以在每一侧添加额外的 25%:

Unfortunately, there does not seem to be an automated procedure for fixing the margins. You can adjust the margins by hand by calling plt.xlim(xmin,xmax). Since you know the node positions (pos), you can add, say, an extra 25% on each side:

#Your code here....
nx.draw(G, pos, with_labels=True)
x_values, y_values = zip(*pos.values())
x_max = max(x_values)
x_min = min(x_values)
x_margin = (x_max - x_min) * 0.25
plt.xlim(x_min - x_margin, x_max + x_margin)
plt.show()

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