anchor.diff:  *,*,*,*,*,*,*,*,*,*,*,*,*,*,*,stop_area,*,*,*,*,*,*,*,*,*,*,${15},stop_area
   *,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,stop_area,*,*,*,${15},stop_area
   *,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,alpine_hut,*,${15},alpine_hut
  -*,*,helipad;gate,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,${16},${aeroway}
  -*,*,*,bus_station;car_sharing;picnic_site;recycling;shelter,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,${16},${amenity}
  -*,*,*,*,block;bollard;lift_gate,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,${16},${barrier}
  -*,*,*,*,*,brewery;winery;sawmill,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,${16},${craft}
  +*,helipad;gate,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,${16},${aeroway}
  +*,*,bus_station;car_sharing;picnic_site;recycling;shelter,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,${16},${amenity}
  +*,*,*,block;bollard;lift_gate,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,${16},${barrier}
  +*,*,*,*,brewery;winery;sawmill,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,${16},${craft}
   *,*,*,*,*,*,*,ford,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,${16},ford
   *,*,*,*,*,*,*,*,archaeological_site,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,${16},archaeological_site
   *,*,*,*,*,*,*,*,*,*,*,windmill,*,*,*,*,*,*,*,*,*,*,*,*,*,*,${16},windmill
   *,*,*,*,*,*,*,*,*,*,*,*,tree,*,*,*,*,*,*,*,*,*,*,*,*,*,${16},tree
   *,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,camp_site;caravan_site;information;viewpoint,*,${16},${tourism}
  -*,*,*,atm;bicycle_rental;bicycle_parking;bus_stop;drinking_water;emergency_phone;parking;post_box;telephone;theatre;toilets,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,${17},${amenity}
  +*,*,atm;bicycle_rental;bicycle_parking;bus_stop;drinking_water;emergency_phone;parking;post_box;telephone;theatre;toilets,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,${17},${amenity}
   *,*,*,*,*,*,*,bus_stop;traffic_signals,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,${17},${highway}
   *,*,*,*,*,*,*,*,memorial,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,${17},memorial
   *,*,*,*,*,*,*,*,*,playground;slipway,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,${17},${leisure}
  
positive.code: *,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,bakery;bicycle;books;butcher;car;car_repair;clothes;computer;convenience;dry_cleaning;fashion;florist;gift;greengrocer;hairdresser;jewelry;mobile_phone;optician;pet,*,*,*,*,*,*,*,*,${17},${shop}
  *,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,bed_and_breakfast;chalet;guest_house;hostel,*,${17},${tourism}
  *,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,subway_entrance,*,*,*,*,*,*,*,*,*,${17},subway_entrance
  *,*,*,bench;waste_basket,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,${18},${amenity}
  
negative.code: *,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,resort,*,"${GREATEST(14, LEAST(zoom + 5.32, 17))}",resort
  *,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,aquarium,*,"${GREATEST(14, LEAST(zoom + 3.09, 17))}",aquarium
  *,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,winery,*,"${GREATEST(14, LEAST(zoom + 2.85, 17))}",winery
  *,*,social_facility;clinic;doctors;dentist,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,${17},${amenity}
  *,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,midwife,*,*,*,*,*,${17},midwife
  *,*,kindergarten;childcare,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,${17},${amenity}
  *,*,*,*,*,*,phone,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,${18},phone
  *,*,toilets,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,${18},toilets
  *,*,*,gate,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,${15},gate
  *,*,*,*,sawmill,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,${15},sawmill
  *,*,*,*,*,*,*,gate;mini_roundabout,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,${15},${highway}
  *,*,*,*,*,*,*,*,*,*,yes,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,${15},lock
  *,*,*,*,*,*,*,*,*,*,*,lighthouse;power_wind,*,*,*,*,*,*,*,*,*,*,*,*,*,*,${15},${man_made}
  *,*,*,*,*,*,*,*,*,*,*,*,cave_entrance,*,*,*,*,*,*,*,*,*,*,*,*,*,${15},cave_entrance
  *,*,*,*,*,*,*,*,*,*,*,*,*,*,generator,*,*,*,*,*,*,*,*,*,*,*,${15},generator
  *,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,lock,${15},lock
  station,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,${13},station
  *,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,halt;tram_stop;stop,*,*,*,*,*,*,*,*,*,${13},${railway}
  *,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,platform,*,*,*,*,*,*,*,*,*,${15},platform
  *,*,*,*,*,*,*,platform,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,${15},platform
  