python—networkx：在一張圖中畫出多個子圖

標籤：networkx   python   子圖   subplot   

通過plt.subplot可以在一張圖中畫出多個子圖

#coding: utf-8#!/usr/bin/env python"""Draw a graph with matplotlib.You must have matplotlib for this to work."""__author__ = """Aric Hagberg ([email protected])"""#    Copyright (C) 2004-2008#    Aric Hagberg <[email protected]>#    Dan Schult <[email protected]>#    Pieter Swart <[email protected]>#    All rights reserved.#    BSD license.#raise的使用要求這一步必須執行try:    import matplotlib.pyplot as pltexcept:    raiseimport networkx as nx#用grid_2d_graph()產生一個16個節點的網格圖G=nx.grid_2d_graph(4,4)  #4x4 gridpos=nx.spring_layout(G,iterations=100)#開始畫各個小圖plt.subplot(221)nx.draw(G,pos,font_size=8)plt.subplot(222)nx.draw(G,pos,node_color='k',node_size=0,with_labels=False)plt.subplot(223)nx.draw(G,pos,node_color='g',node_size=250,with_labels=False,width=6)#最後一幅子圖轉為有向圖plt.subplot(224)H=G.to_directed()nx.draw(H,pos,node_color='b',node_size=20,with_labels=False)plt.savefig("four_grids.png")plt.show()

python—networkx：在一張圖中畫出多個子圖