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#!/usr/bin/env python
"""
Draw a graph with matplotlib, color by degree.
You must have matplotlib for this to work.
"""
__author__ = """Aric Hagberg (hagberg@lanl.gov)"""
# Copyright (C) 2004-2006 by
# Aric Hagberg <hagberg@lanl.gov>
# Dan Schult <dschult@colgate.edu>
# Pieter Swart <swart@lanl.gov>
# Distributed under the terms of the GNU Lesser General Public License
# http://www.gnu.org/copyleft/lesser.html
try:
from pylab import *
except:
print "pylab not found: see https://networkx.lanl.gov/Drawing.html for info"
raise
from networkx import *
G=grid_2d_graph(4,4) #4x4 grid
pos=spring_layout(G)
draw(G,pos,node_color=array([G.degree(v) for v in G]),node_size=800)
savefig("grid.png") # save as png
show() # display
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