openmaptiles/layers/waterway/waterway.yaml

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YAML

layer:
id: "waterway"
description: |
OpenStreetMap [waterways](https://wiki.openstreetmap.org/wiki/Waterways) for higher zoom levels
and Natural Earth rivers and lake centerlines for low zoom levels.
Linestrings without a name or which are too short are filtered
out at low zoom levels. Waterways do no not have a `subclass` field.
buffer_size: 4
fields:
name: |
The OSM [`name`](http://wiki.openstreetmap.org/wiki/Key:name) value of the waterway.
The `name` field may be empty for NaturalEarth data or at lower zoom levels.
name_en: English name `name:en` if available, otherwise `name`.
name_de: German name `name:de` if available, otherwise `name` or `name:en`.
class:
description: |
The original value of the [`waterway`](http://wiki.openstreetmap.org/wiki/Key:waterway) tag.
values:
- stream
- river
- canal
- drain
- ditch
brunnel:
description: |
Mark whether way is a tunnel or bridge.
values:
- bridge
- tunnel
intermittent:
description: |
Mark with `1` if it is an [intermittent](http://wiki.openstreetmap.org/wiki/Key:intermittent) waterway.
values: [0, 1]
datasource:
geometry_field: geometry
query: (SELECT geometry, name, name_en, name_de, {name_languages}, class, brunnel, intermittent FROM layer_waterway(!bbox!, z(!scale_denominator!))) AS t
schema:
- ./update_waterway_linestring.sql
- ./update_important_waterway.sql
- ./waterway.sql
datasources:
- type: imposm3
mapping_file: ./mapping.yaml