#!/usr/bin/env python
import sys
sys.path.insert(1,'..')
import biggles
import string
err_msg = """
This example needs the following data file:
http://biggles.sourceforge.net/data/continents
"""
try:
m = biggles.read_rows( "continents" )
except IOError:
print err_msg
sys.exit(-1)
p = biggles.HammerAitoffPlot()
p.ribs_l = 2
for i in range(len(m)/2):
l = m[2*i]
b = m[2*i+1]
p.add( biggles.Curve(l, b) )
#p.write_img( 400, 400, "example7.png" )
#p.write_eps( "example7.eps" )
p.show()
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