openmaptiles/layers/waterway/mapping.yaml

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YAML

generalized_tables:
# etldoc: imposm3 -> osm_waterway_linestring_gen0
waterway_linestring_gen0:
source: waterway_linestring_gen1
sql_filter: waterway IN ('river') AND ST_Length(geometry) > 10000
tolerance: 200.0
# etldoc: imposm3 -> osm_waterway_linestring_gen1
waterway_linestring_gen1:
source: waterway_linestring
sql_filter: waterway IN ('river') AND ST_Length(geometry) > 5000
tolerance: 100.0
tables:
# etldoc: imposm3 -> osm_waterway_linestring
waterway_linestring:
type: linestring
fields:
- name: osm_id
type: id
- name: geometry
type: geometry
- name: waterway
key: waterway
type: string
- key: name
name: name
type: string
- name: name_en
key: name:en
type: string
mapping:
waterway:
- stream
- river
- canal
- drain
- ditch