90 lines
2.7 KiB
YAML
90 lines
2.7 KiB
YAML
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layer:
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id: "landcover"
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requires:
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tables:
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- ne_10m_antarctic_ice_shelves_polys
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- ne_10m_glaciated_areas
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- ne_50m_antarctic_ice_shelves_polys
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- ne_50m_glaciated_areas
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- ne_110m_glaciated_areas
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description: |
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Landcover is used to describe the physical material at the surface of the earth. At lower zoom levels this is
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from Natural Earth data for glaciers and ice shelves and at higher zoom levels the landcover is [implied by OSM tags](http://wiki.openstreetmap.org/wiki/Landcover). The most common use case for this layer
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is to style wood (`class=wood`) and grass (`class=grass`) areas.
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buffer_size: 4
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fields:
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class:
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description: |
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Use the **class** to assign natural colors for **landcover**.
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values:
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farmland:
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subclass: ['farmland', 'farm', 'orchard', 'vineyard', 'plant_nursery']
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ice:
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subclass: ['glacier', 'ice_shelf']
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wood:
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subclass: ['wood', 'forest']
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rock:
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subclass: ['bare_rock', 'scree']
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grass:
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subclass: ['fell', 'flowerbed', 'grassland', 'heath', 'scrub', 'shrubbery', 'tundra', 'grass', 'meadow', 'allotments', 'park', 'village_green', 'recreation_ground', 'garden', 'golf_course']
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wetland:
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subclass: ['wetland', 'bog', 'swamp', 'wet_meadow', 'marsh', 'reedbed', 'saltern', 'tidalflat', 'saltmarsh', 'mangrove']
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sand:
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subclass: ['beach', 'sand', 'dune']
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subclass:
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description: |
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Use **subclass** to do more precise styling.
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Original value of either the
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[`natural`](http://wiki.openstreetmap.org/wiki/Key:natural),
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[`landuse`](http://wiki.openstreetmap.org/wiki/Key:landuse),
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[`leisure`](http://wiki.openstreetmap.org/wiki/Key:leisure),
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or [`wetland`](http://wiki.openstreetmap.org/wiki/Key:wetland) tag.
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values:
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- allotments
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- bare_rock
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- beach
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- bog
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- dune
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- scrub
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- shrubbery
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- farm
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- farmland
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- fell
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- flowerbed
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- forest
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- garden
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- glacier
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- grass
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- grassland
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- golf_course
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- heath
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- mangrove
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- marsh
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- meadow
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- orchard
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- park
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- plant_nursery
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- recreation_ground
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- reedbed
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- saltern
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- saltmarsh
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- sand
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- scree
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- swamp
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- tidalflat
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- tundra
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- village_green
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- vineyard
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- wet_meadow
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- wetland
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- wood
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datasource:
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geometry_field: geometry
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query: (SELECT geometry, class, subclass FROM layer_landcover(!bbox!, z(!scale_denominator!))) AS t
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schema:
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- ./generalized.sql
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- ./landcover.sql
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datasources:
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- type: imposm3
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mapping_file: ./mapping.yaml
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