Method: Charta::GML#initialize

Defined in:
lib/charta/gml.rb

#initialize(data, srid = :WGS84) ⇒ GML

Returns a new instance of GML.



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# File 'lib/charta/gml.rb', line 16

def initialize(data, srid = :WGS84)
  srid ||= :WGS84
  @gml = if data.is_a? String

           Nokogiri::XML(data.to_s.split.join(' ')) do |config|
             config.options = Nokogiri::XML::ParseOptions::NOBLANKS
           end

         else
           # Nokogiri::XML::Document expected
           data
         end
  up = false
  # ensure namespaces are defined
  begin
    @gml.root.add_namespace_definition('xmlns', '')
    NS.each do |k, v|
      if @gml.xpath("//@*[xmlns:#{k}]").empty?
        @gml.root.namespace_definitions << @gml.root.add_namespace_definition(k.to_s, v)
        up = true
      end
    end
  rescue
    false
  end

  @gml = Nokogiri::XML(@gml.to_xml) if up

  boundaries = @gml.css("#{GML_PREFIX}|boundedBy")
  unless boundaries.nil?
    boundaries.each do |node|
      srid = Charta.find_srid(node['srsName']) unless node['srsName'].nil?
    end
  end

  @srid = Charta.find_srid(srid)
end