26 lines
1.7 KiB
YAML
26 lines
1.7 KiB
YAML
layer:
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id: "railway"
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description: |
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The `railway` layer contains linestrings marking tracks from [OSM Railways](http://wiki.openstreetmap.org/wiki/Railways).
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It contains tracks for [passenger and freight trains]() and smaller tracks for [Trams](http://wiki.openstreetmap.org/wiki/Tag:railway%3Dtram) or [similar](http://wiki.openstreetmap.org/wiki/Tag:railway%3Dlight_rail) vehicles. But also tracks for [subways](http://wiki.openstreetmap.org/wiki/Tag:railway%3Dsubway), [narrow-gauge trains](http://wiki.openstreetmap.org/wiki/Tag:railway%3Dnarrow_gauge) or [historic trains](http://wiki.openstreetmap.org/wiki/Tag:railway%3Dpreserved).
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Non mainline tracks (marked with class `minor_rail`) used for [storage of trains](http://wiki.openstreetmap.org/wiki/Tag:service%3Dyard) and [maintenance](http://wiki.openstreetmap.org/wiki/Tag:service%3Dsiding) are contained in the highest zoom levels and should be styled more subtle than the mainline tracks with class `rail`.
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fields:
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class: |
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Divides the track into mainline tracks (class `rail`) and less important tracks
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used for maintenance (class `minor_rail`).
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subclass: |
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Original value of the [`railway`](http://wiki.openstreetmap.org/wiki/Key:railway) can be one of
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`rail`, `light_rail`, `subway`, `narrow_gauge`, `preserved`, `tram`.
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properties: |
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Additional properties describing the nature of tracks. Can be either `bridge` or `tunnel`.
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buffer_size: 4
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datasource:
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geometry_field: geometry
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query: (SELECT geometry, class, subclass, properties::text FROM layer_railway(!bbox!, z(!scale_denominator!))) AS t
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schema:
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- ./types.sql
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- ./railway.sql
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datasources:
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- type: imposm3
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mapping_file: ./mapping.yaml
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