anchor.diff:                  "name" : "String. Some names are abbreviated, eg: 'St' instead of 'Street'. Localized name variants are in properties like 'name:en'. Common value.",
                   "id" : "Integer. Common value.",
                   "source" : "String. Common value, one of: openstreetmap.org, naturalearthdata.com.",
  -                "kind" : "String. Common value, one of: aerialway, exit, ferry, highway, major_road, minor_road, path, piste, racetrack, rail.",
  -                "landuse_kind" : "String. Mapzen calculates the `landuse_kind` value by intercutting `buildings` with the `landuse` layer to determine if a building is over a parks, hospitals, universities or other landuse features. Common value, one of: aerodrome, allotments, amusement_ride, animal, apron, aquarium, artwork, attraction, aviary, battlefield, beach, breakwater, bridge, camp_site, caravan_site, carousel, cemetery, cinema, city_wall, college, commercial, common, cutline, dam, dike, dog_park, enclosure, farm, farmland, farmyard, fence, footway, forest, fort, fuel, garden, gate, generator, glacier, golf_course, grass, groyne, hanami, hospital, industrial, land, library, maze, meadow, military, national_park, nature_reserve, park, parking, pedestrian, petting_zoo, picnic_site, pier, pitch, place_of_worship, plant, playground, prison, protected_area, quarry, railway, recreation_ground, recreation_track, residential, resort, rest_area, retail, retaining_wall, rock, roller_coaster, runway, rural, school, scree, scrub, service_area, snow_fence, sports_centre, stadium, stone, substation, summer_toboggan, taxiway, theatre, theme_park, tower, trail_riding_station, university, urban_area, urban, village_green, wastewater_plant, water_park, water_slide, water_works, wetland, wilderness_hut, wildlife_park, winery, winter_sports, wood, works, zoo.",
  +                "kind" : "String. Common value, one of: aerialway, exit, ferry, highway, major_road, minor_road, path, piste, quay, racetrack, rail.",
  +                "landuse_kind" : "String. Tilezen calculates the `landuse_kind` value by intercutting `buildings` with the `landuse` layer to determine if a building is over a parks, hospitals, universities or other landuse features. Common value, one of: aerodrome, allotments, amusement_ride, animal, apron, aquarium, artwork, attraction, aviary, battlefield, beach, breakwater, bridge, camp_site, caravan_site, carousel, cemetery, cinema, city_wall, college, commercial, common, cutline, dam, dike, dog_park, enclosure, farm, farmland, farmyard, fence, footway, forest, fort, fuel, garden, gate, generator, glacier, golf_course, grass, groyne, hanami, hospital, industrial, land, library, maze, meadow, military, national_park, nature_reserve, park, parking, pedestrian, petting_zoo, picnic_site, pier, pitch, place_of_worship, plant, playground, prison, protected_area, quarry, railway, recreation_ground, recreation_track, residential, resort, rest_area, retail, retaining_wall, rock, roller_coaster, runway, rural, school, scree, scrub, service_area, snow_fence, sports_centre, stadium, stone, substation, summer_toboggan, taxiway, theatre, theme_park, tower, trail_riding_station, university, urban_area, urban, village_green, wastewater_plant, water_park, water_slide, water_works, wetland, wilderness_hut, wildlife_park, winery, winter_sports, wood, works, zoo.",
                   "ref" : "String. Used for road shields. Common value.",
                   "sort_rank" : "Integer. Suggestion for which order to draw features (lower values are bottom, bigger values on top). Common value.",
  +                "access" : "String. Common optional value",
                   "aerialway" : "String. Common optional value, one of: cable_car, canopy, chair_lift, drag_lift, gondola, goods, j_bar, magic_carpet, mixed_lift, platter, rope_tow, t_bar, unknown, zip_line.",
                   "aeroway" : "String. Common optional value, one of: runway, taxiway.",
                   "bicycle_network" : "String. Present if the feature is part of a bicycle network. Common optional value, one of: icn, ncn, rcn, lcn.",
  +                "cutting" : "String. Common optional value.",
                   "cycleway" : "String. Common optional value.",
                   "cycleway_left" : "String. Common optional value.",
                   "cycleway_right" : "String. Common optional value.",
  +                "embankment" : "String. Common optional value.",
                   "ferry" : "String. Common optional value.",
                   "highway" : "String. See kind list below. Common optional value, one of: alley, bridleway, cycleway, drive_through, driveway, footway, footway, living_street, motorway, motorway_link, parking_aisle, path, pedestrian, primary, primary_link, residential, road, secondary, secondary_link, steps, steps, tertiary, tertiary_link, track, trunk, trunk_link, unclassified.",
                   "is_bicycle_related" : "Boolean. True when road features is a dedicated cycleway, part of an OSM bicycle network route relation, or includes cycleway infrastructure like bike lanes or designed for shared use. Common optional value, one of: True.",
  
positive.code:         40.764372592558985,
          15
      ],
      "description" : "mapzen",
      "format" : "<%= @params[:format] %>",
      "maxzoom" : 16.000000,
      "minzoom" : 0.000000,
  
negative.code:             "fields" : {
                  "name" : "String. Localized name variants are in properties like 'name:en'. Common value.",
                  "id"   : "Number. Common value.",
                  "kind" : "String. Common value, one of: aboriginal_lands, country, county, disputed, indefinite, indeterminate, lease_limit, line_of_control, macroregion, map_unit, municipality, overlay_limit, region.",
                  "sort_rank" : "Integer. Suggestion for which order to draw features (lower values are bottom, bigger values on top). Common value.",
                  "area" : "Number. Common value.",
                  "admin_level" : "Common optional value, one of: 2, 4, 6, 8.",
  