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Size: 971 Bytes
Versions: 13
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Stored size: 971 Bytes
Contents
module Graticule
module Geocoder
# Library for looking up coordinates with MetaCarta's GeoParser API.
#
# http://labs.metacarta.com/GeoParser/documentation.html
class MetaCarta < Rest
def initialize # :nodoc:
@url = URI.parse 'http://labs.metacarta.com/GeoParser/'
end
# Finds +location+ and returns a Location object.
def locate(location)
get :q => location.is_a?(String) ? location : location_from_params(location).to_s, :output => 'locations'
end
private
def check_error(xml) # :nodoc:
raise AddressError, 'bad location' unless xml.elements['Locations/Location']
end
def parse_response(xml) # :nodoc:
result = xml.elements['/Locations/Location[1]']
coords = result.elements['Centroid/gml:Point/gml:coordinates'].text.split ','
Location.new :latitude => coords.first.to_f, :longitude => coords.last.to_f
end
end
end
end
Version data entries
13 entries across 13 versions & 4 rubygems