openmaptiles/layers/boundary/boundary.yaml

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2.7 KiB
YAML

layer:
id: "boundary"
requires:
tables:
- osm_border_linestring
- ne_10m_admin_0_countries
- ne_10m_admin_0_boundary_lines_land
- ne_10m_admin_1_states_provinces_lines
- ne_50m_admin_0_boundary_lines_land
- ne_110m_admin_0_boundary_lines_land
description: |
Contains administrative boundaries as linestrings.
Until z4 [Natural Earth data](http://www.naturalearthdata.com/downloads/) is used after which
OSM boundaries ([`boundary=administrative`](http://wiki.openstreetmap.org/wiki/Tag:boundary%3Dadministrative))
are present from z5 to z14 (also for maritime boundaries with `admin_level <= 2` at z4).
OSM data contains several [`admin_level`](http://wiki.openstreetmap.org/wiki/Tag:boundary%3Dadministrative#admin_level)
but for most styles it makes sense to just style `admin_level=2` and `admin_level=4`.
fields:
admin_level: |
OSM [admin_level](http://wiki.openstreetmap.org/wiki/Tag:boundary%3Dadministrative#admin_level)
indicating the level of importance of this boundary.
The `admin_level` corresponds to the lowest `admin_level`
the line participates in.
At low zoom levels the Natural Earth boundaries are mapped to the equivalent admin levels.
adm0_l: |
State name on the left of the border. For country boundaries only (`admin_level = 2`).
adm0_r: |
State name on the right of the border. For country boundaries only (`admin_level = 2`).
disputed:
description: |
Mark with `1` if the border is disputed.
values: [0, 1]
disputed_name:
description: |
Field containing name of the disputed area (extracted from border relation in OSM, without spaces).
For country boundaries only (`admin_level = 2`).
Value examples from Asian OSM pbf extract
values:
- AbuMusaIsland
- BaraHotiiValleys
- ChineseClaim
- Crimea
- Demchok
- Dokdo
- IndianClaim-North
- IndianClaimwesternKashmir
- PakistaniClaim
- SamduValleys
- TirpaniValleys
claimed_by:
description: |
ISO2 code of country, which wants to see the boundary line.
For country boundaries only (`admin_level = 2`).
maritime:
description: |
Mark with `1` if it is a maritime border.
values: [0, 1]
buffer_size: 4
datasource:
geometry_field: geometry
query: (SELECT geometry, admin_level, adm0_l, adm0_r, disputed, disputed_name, claimed_by, maritime FROM layer_boundary(!bbox!, z(!scale_denominator!))) AS t
schema:
- ./boundary_name.sql
- ./boundary.sql
datasources:
- type: imposm3
mapping_file: ./mapping.yaml