Sha256: 2507fa93ea1d2bd370d3203dfbda8bc40b5d32fcb6ab2f1cdd331d9abb373190
Contents?: true
Size: 994 Bytes
Versions: 6
Compression:
Stored size: 994 Bytes
Contents
require 'ostruct'
module SpatialFeatures
module Importers
class KML < Base
private
def each_record(&block)
Nokogiri::XML(@data).css('Placemark').each do |placemark|
name = placemark.css('name').text
metadata = { :description => placemark.css('description').text }
placemark.css('ExtendedData SimpleData').each do |node|
metadata[node['name']] = node.text
end
metadata.delete_if {|key, value| value.blank? }
{'Polygon' => 'POLYGON', 'LineString' => 'LINE', 'Point' => 'POINT'}.each do |kml_type, sql_type|
placemark.css(kml_type).each do |placemark|
yield OpenStruct.new(:feature_type => sql_type, :geog => geom_from_kml(placemark), :name => name, :metadata => metadata)
end
end
end
end
def geom_from_kml(kml)
ActiveRecord::Base.connection.select_value("SELECT ST_GeomFromKML('#{kml}')")
end
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems