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--- vectortile:schema:v2:landcover [2020/03/06 07:04]
tgwikiupdate
+++ vectortile:schema:v2:landcover [2020/03/16 08:44] (current)
tgwikiupdate
@@ Line 1: / Line 1: @@
 <html>
 <h1>Landcover <img src="http://wiki.thinkgeo.com/wiki/_media/water_polygon.png?w=18&h=18&t=1546847374&tok=ad7996" /></h1>
-<h3>Buffer: 0, Zoom level: 0 ~ 14</h3>
+<h3>Buffer: 0, Min Zoom level: 0 </h3>
 Describes the primary use of the land by humans or the physical material at the surface of the earth. It’s the <a href="https://wiki.openstreetmap.org/wiki/Proposed_features/landcover"> landcover <a/> together with <a href="https://wiki.openstreetmap.org/wiki/Key:landuse">landuse</a> in <a href="https://openstreetmap.org">OpenStreetMap</a>. Besides the data from OpenStreetMap, <a href="http://www.naturalearthdata.com/">Natural Earth</a>,<a href="https://openaddresses.io/">OpenAddresses</a> and some data collected by ThinkGeo are other data sources. The polygons are sorted by the area of the  geometry to make sure we don't show small polygons at some zoom levels.
@@ Line 12: / Line 12: @@
 ==== class ====
-We use ''class'' to assign natural colors for landcover.
+A category of landcover, so that you can easily track a specific object.
-^Value (class)	    ^Description^
-|'agriculture'	|This tag is used for areas that agriculture related to humans. For'farmland', it is related to tillage and pasture. For 'orchard', it is an area growing trees for commercial production, such as fruit, nut-producing trees and fruit garden. For'plant_nursery', it is an area for intentional planting of plants maintaining for the production of new plants. And 'vineyard' is a area where grapes grow.|
-|'cemetery'	    |For burials.|
-|'grass'	|The 'grassland' and 'grass' is an area that grasses(Poaceae) and other herbaceous(non-woody) plants are grown. The 'meadow' is used to tag an area for hay or for grazing animals(pasture) and vegetated by grass and other non-woody plants.|
+^Value (class)	    ^Description^.|
-|'wood'	        |'wood' is woodland where timber production does not dominate use. 'forest' is managed forest or woodland plantation.|
+|aeroway	    |Areas for aerodrome,apron,heliport,helipad and runway.|
-|'scrub'	    |'scrub' : uncultivated land covered with bushes or stunted trees.'heath' : A dwarf-shrub habitat, characterised by open, low growing woody vegetation, often dominated by plants of the Ericaceae. 'moor':Moorland or moor is a type of habitat, in the temperate grasslands, savannas, and shrublands biome, found in upland areas, characterised by low-growing vegetation on acidic soils. 'fell':Habitat above tree line covered with grass, dwarf shrubs and mosses.|
+|agriculture	|Aboriginal Areas, such as farmland,orchard,plant_nursery, or vineyard.|
-|'sand'	        |'sand'：An area covered by sand with no or very little vegetation. 'beach'：Beach.|
+|cemetery	    |Areas for cemeteries or graveyards.|
-|'rock'	        |'bare_rock':An area with sparse or no vegetation, so that the bedrock becomes visible. 'scree':Unconsolidated angular rocks formed by rockfall and weathering from adjacent rockfaces. 'shingle': An accumulation of rounded rock fragments on a beach or riverbed. 'quarry': A quarry, ie an area of land used for surface mineral extraction.|
+|crop	    |Plant or animal product growing.|
-|'wetland'	    |'wetland':A wetland is a land area that is saturated with water, either permanently or seasonally. 'mud' :Indicates an area covered with mud, that is wet, water saturated fine grained soil without significant plant growth.|
+|hospital	    |hospital, nursing_home, social_facility, nursing_home, doctors grounds.|
-|'pitch'	    |'fitness_centre':A place with exercise machines and/or fitness/dance classes..'ice_rink':A place where you can skate or play ice hockey.'swimming_area':A swimming area - place over river, lake or other water reservoir where swimming is allowed. 'swimming_pool':A swimming pool (water area only).'track': e.g. running, cycle-racing, greyhound, horses. 'stadium': A major sports arena with substantial tiered seating.|
+|School	    |Areas for college,kindergarten,school and university.|
-|'park'	        |'dog_park':Designated area, with or without a fenced boundary, where dog-owners are permitted to exercise their pets unrestrained.'garden':Place where flowers and other plants are grown in a decorative and structured manner or for scientific purposes.'golf_course':The outline of a golf course. 'miniature_golf':A place or area that you can play miniature golf.'nature_reserve':Protected area of importance for wildlife, flora, fauna or features of geological or other special interest.'park':Open, green area for recreation, usually municipal.'playground':Playground for little children.'village_green': An area of common land, usually grass, in the centre of a village.'national_park':Area of outstanding natural beauty, set aside for conservation and for recreation.|
+|grass	|Grassland, meadow, or the grass areas with grasses(Poaceae) and other herbaceous(non-woody) plants growing.|
-|'trees'	   |Trees of vegetaion.|
+|glacier	|Glaciers or permanent ice/snow there.|
-|'tundra'	   |Tundra of vegetaion.|
+|park	        |National parks, nature reserves, city parks, village greens, summer_camp,  playgrounds etc.|
+|rock	        |Bare_rock, scree，shingle, quarry, bare_rock or gravel.|
+|scrub	    |Scrub, heath or bushes.|
+|sand	        |Sand, beach or loam.|
+|tundra	   |Land with ground below always frozen and no trees growing there. |
+|urban	    |A human settlement with high population density.|
+|wood	        |Areas for forest and trees.|
+|wetland	    |Moor, mud or wetland.|
+==== type ====
+Indicates a specific classification for the landcover, for example, "grassland","fell" for the class "grass".
-==== type field ====
-The ''type'' field is used to identify the features from the same '' 'class' '', it can be used to filter out the features with the different styles.

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