openmaptiles/layers/transportation/mapping.yaml

generalized_tables:
# etldoc: imposm3 -> osm_railway_linestring_gen2
  railway_linestring_gen2:
    source: railway_linestring_gen1
    tolerance: ZRES11

# etldoc: imposm3 -> osm_railway_linestring_gen1
  railway_linestring_gen1:
    source: railway_linestring
    sql_filter: railway='rail' AND service=''
    tolerance: ZRES12

# etldoc: imposm3 -> osm_highway_linestring_gen2
  highway_linestring_gen2:
    source: highway_linestring_gen1
    sql_filter: highway IN ('motorway','trunk', 'primary', 'secondary') AND NOT is_area
    tolerance: ZRES10

# etldoc: imposm3 -> osm_highway_linestring_gen1
  highway_linestring_gen1:
    source: highway_linestring
    sql_filter: highway IN ('motorway','trunk', 'primary', 'secondary', 'tertiary') AND NOT is_area
    tolerance: ZRES11

name_field: &name
  name: name
  key: name
  type: string
name_en_field: &name_en
  name: name_en
  key: name:en
  type: string
name_de_field: &name_de
  name: name_de
  key: name:de
  type: string
short_name_field: &short_name
  key: short_name
  name: short_name
  type: string
tunnel_field: &tunnel
  key: tunnel
  name: is_tunnel
  type: bool
bridge_field: &bridge
  key: bridge
  name: is_bridge
  type: bool
ramp_field: &ramp
  key: ramp
  name: is_ramp
  type: bool
ford_field: &ford
  key: ford
  name: is_ford
  type: bool
oneway_field: &oneway
  key: oneway
  name: is_oneway
  type: bool
area_field: &area
  name: is_area
  key: area
  type: bool
service_field: &service
  key: service
  name: service
  type: string
usage_field: &usage
  key: usage
  name: usage
  type: string
ref_field: &ref
  key: ref
  name: ref
  type: string
network_field: &network
  key: network
  name: network
  type: string
layer_field: &layer
  key: layer
  name: layer
  type: integer
z_order_field: &z_order
  name: z_order
  type: wayzorder

tables:
# etldoc: imposm3 -> osm_highway_linestring
  highway_linestring:
    type: linestring
    fields:
    - name: osm_id
      type: id
    - name: geometry
      type: geometry
    - name: highway
      key: highway
      type: string
    - *ref
    - *network
    - *z_order
    - *layer
    - *name
    - *name_en
    - *name_de
    - *short_name
    - *tunnel
    - *bridge
    - *ramp
    - *ford
    - *oneway
    - *area
    - *service
    - *usage
    mapping:
      highway:
      - motorway
      - motorway_link
      - trunk
      - trunk_link
      - primary
      - primary_link
      - secondary
      - secondary_link
      - tertiary
      - tertiary_link
      - unclassified
      - residential
      - road
      - living_street
      - raceway
      - track
      - service
      - path
      - cycleway
      - bridleway
      - footway
      - corridor
      - pedestrian
      - steps

# etldoc: imposm3 -> osm_railway_linestring
  railway_linestring:
    type: linestring
    fields:
    - name: osm_id
      type: id
    - name: geometry
      type: geometry
    - key: railway
      name: railway
      type: string
    - *ref
    - *network
    - *z_order
    - *layer
    - *name
    - *name_en
    - *name_de
    - *short_name
    - *tunnel
    - *bridge
    - *ramp
    - *ford
    - *oneway
    - *area
    - *service
    - *usage
    mapping:
      railway:
      - rail
      - narrow_gauge
      - preserved
      - funicular
      - subway
      - light_rail
      - monorail
      - tram

# etldoc: imposm3 -> osm_highway_polygon
  highway_polygon:
    type: polygon
    fields:
    - name: osm_id
      type: id
    - name: geometry
      type: geometry
    - name: highway
      key: highway
      type: string
    - name: z_order
      type: wayzorder
    - name: layer
      key: layer
      type: integer
    - name: is_area
      key: area
      type: bool
    mapping:
      highway:
      - pedestrian

# TODO: Future table for joining networks
# etldoc: imposm3 -> osm_route_member
  route_member:
    type: relation_member
    columns:
    - name: osm_id
      type: id
    - name: member
      type: member_id
    - name: role
      type: member_role
    - name: type
      type: member_type
    - *ref
    - *network
    - *name
    mapping:
      route:
      - road