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Geocoding with Google Maps

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  1. # gLatLong.py - M.Keranen ([email protected]) - 01/09/2006
  2. # ------------------------------------------------------
  3. # Get lat/long coordinates of an address from Google Maps
  4.  
  5. import os,urllib
  6.  
  7. addr = raw_input('\nAddress or (Lat,Long): ')
  8. while addr <> '':
  9.     url = ''
  10.     if addr[0]=='(':
  11.         center = addr.replace('(','').replace(')','')
  12.         lat,lng = center.split(',')
  13.         url = 'http://maps.google.com/maps?q=%s+%s' % (lat,lng)
  14.     else:
  15.         # Encode query string into URL
  16.         url = 'http://maps.google.com/?q=' + urllib.quote(addr) + '&output=js'
  17.         print '\nQuery: %s' % (url)
  18.  
  19.         # Get XML location
  20.         xml = urllib.urlopen(url).read()
  21.  
  22.         if '<error>' in xml:
  23.            print '\nGoogle cannot interpret the address.'
  24.         else:
  25.             # Strip lat/long coordinates from XML
  26.             lat,lng = 0.0,0.0
  27.             center = xml[xml.find('{center')+10:xml.find('}',xml.find('{center'))]
  28.             center = center.replace('lat:','').replace('lng:','')
  29.             lat,lng = center.split(',')
  30.             url = 'http://maps.google.com/maps?q=%s+%s' % (lat,lng)
  31.  
  32.     if url<>'':
  33.         print 'Map: %s' % (url)
  34.         os.startfile(url)
  35.  
  36.     addr = raw_input('\nAddress or (Lat,Long): ')

URL: http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/498128

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