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#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
Example using unicode strings as graph labels.
Also shows creative use of the Heavy Metal Umlaut:
http://en.wikipedia.org/wiki/Heavy_metal_umlaut
"""
__author__ = """Aric Hagberg (hagberg@lanl.gov)"""
__date__ = ""
__credits__ = """"""
__revision__ = ""
# Copyright (C) 2006 by
# Aric Hagberg <hagberg@lanl.gov>
# Dan Schult <dschult@colgate.edu>
# Pieter Swart <swart@lanl.gov>
# All rights reserved.
# BSD license.
import networkx as NX
try:
import pylab as P
except ImportError:
pass
try:
hd='H' + unichr(252) + 'sker D' + unichr(252)
mh='Mot' + unichr(246) + 'rhead'
mc='M' + unichr(246) + 'tley Cr' + unichr(252) + 'e'
st='Sp' + unichr(305) + 'n' + unichr(776) + 'al Tap'
q='Queensr' + unichr(255) + 'che'
boc='Blue ' + unichr(214) +'yster Cult'
dt='Deatht' + unichr(246) + 'ngue'
except NameError:
hd='H' + chr(252) + 'sker D' + chr(252)
mh='Mot' + chr(246) + 'rhead'
mc='M' + chr(246) + 'tley Cr' + chr(252) + 'e'
st='Sp' + chr(305) + 'n' + chr(776) + 'al Tap'
q='Queensr' + chr(255) + 'che'
boc='Blue ' + chr(214) +'yster Cult'
dt='Deatht' + chr(246) + 'ngue'
G=NX.Graph()
G.add_edge(hd,mh)
G.add_edge(mc,st)
G.add_edge(boc,mc)
G.add_edge(boc,dt)
G.add_edge(st,dt)
G.add_edge(q,st)
G.add_edge(dt,mh)
G.add_edge(st,mh)
# write in UTF-8 encoding
fh=open('edgelist.utf-8','wb')
fh.write('# -*- coding: utf-8 -*-\n'.encode('utf-8')) # encoding hint for emacs
NX.write_multiline_adjlist(G,fh,delimiter='\t', encoding = 'utf-8')
# read and store in UTF-8
fh=open('edgelist.utf-8','rb')
H=NX.read_multiline_adjlist(fh,delimiter='\t', encoding = 'utf-8')
for n in G.nodes():
if n not in H:
print(False)
print(G.nodes())
try:
pos=NX.spring_layout(G)
NX.draw(G,pos,font_size=16,with_labels=False)
for p in pos: # raise text positions
pos[p][1]+=0.07
NX.draw_networkx_labels(G,pos)
P.show()
except:
pass
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