File: edge_colormap.py

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python-networkx 1.11-1~bpo8%2B1
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#!/usr/bin/env python
"""
Draw a graph with matplotlib, color edges.
You must have matplotlib>=87.7 for this to work.
"""
# Author: Aric Hagberg (hagberg@lanl.gov)
try:
    import matplotlib.pyplot as plt
except:
    raise

import networkx as nx

G=nx.star_graph(20)
pos=nx.spring_layout(G)
colors=range(20)
nx.draw(G,pos,node_color='#A0CBE2',edge_color=colors,width=4,edge_cmap=plt.cm.Blues,with_labels=False)
plt.savefig("edge_colormap.png") # save as png
plt.show() # display