Contents

module CartoJson
  class Polygon < LineString
    type :polygon

    def to_wkt
      "#{type.to_s.upcase} ((#{@points.dup.push(@points.first).collect {|p| "#{p.send(LNG)} #{p.send(LAT)}"}.join(', ')}))"
    end

    protected

    def validate
      if @points.length < 3
        raise InsufficientPointsError, "a minimum of 3 points is required to make a polygon, you provided #{@points.length}"
      end
    end
  end
end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
carto_json-0.0.9	lib/carto_json/polygon.rb
carto_json-0.0.8	lib/carto_json/polygon.rb
carto_json-0.0.7	lib/carto_json/polygon.rb