OSM-3D-Integrated-DEM

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Integrated DEM Style

All landuse, natural, vegetaion and other areas are displayed together with the Digital Elevation Model (DEM). The DEM is computed by the OSM-3D DEMTileGenerator process and stored as multiple tile sets in the W3DS data base. Due to the complexity of the DEM computation, the tiles are not generated on demand, but always retrieved from the W3DS data base, which is updated periodically. The sizes of the DEM tiles correspond with the tile sizes as defined by the OSM tile cache. That is, level 0 is covering the whole world, a level 16 tile represents just a small portion of approx. 611x611 meters, which can be shown at larger scales. With each level, the tile size is divided by 2 and the number is quadrupled. Currently, level 7 through level 16 are being processed. All map features that represent physical structures of the earth surface and that can be described by a distinctive surface structure, are rendered as part of the DEM. This applies also to linear features such as the road network, paths, railways, waterways, and such. In this case, a geometrical buffer (Hausdorff distance around the lines) is applied to them in order to display them as part of the DEM. The buffer width increases with the tile size, since otherwise, these features would quickly disappear in the distance if only the "original", i.e. estimated real width would be taken.

The following table summarizes all land coverage, natural, and road features that are currently extracted from OSM and served by the W3DS. The values in the Buffer / Tile Level columns indicate whether or not the feature is selected for the specific tile level. Zero values mean that the feature is selected although no buffer is applied, since it's a polygon feature. Positive values describe the buffer width in meters (to both sides of the line, thus the actual feature width is twice this value).


Key Value Element Color Buffer / Tile Level
16 15 14 13 12 11 10 9 8 7 6 5 4 3 2
Natural
natural coastline Area 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
natural beach Area 0 0 0 0 0 0
natural cliff Area 0 0 0 0 0 0
natural wetland Area 0 0 0 0 0 0
natural marsh Area 0 0 0 0 0 0
natural mud Area 0 0 0 0 0 0
natural scree Area 0 0 0 0 0 0
natural fell Area 0 0 0 0 0 0 0 0 0 0 0 0 0 0
natural glacier Area 0 0 0 0 0 0 0 0 0 0 0 0 0 0
natural heath Area 0 0 0 0 0 0 0 0 0 0 0 0 0 0
natural scrub Area 0 0 0 0 0 0 0 0 0 0 0
natural water Area 0 0 0 0 0 0 0 0
natural land Area 0 0 0 0 0
Landuse
landuse allotments Area 0 0 0
landuse cemetery Area 0 0 0 0 0
landuse commercial Area 0 0 0 0 0 0 0 0 0 0
landuse farm Area 0 0 0 0 0 0 0 0 0 0 0 0 0 0
landuse farmland Area 0 0 0 0 0 0 0 0 0 0 0 0 0 0
landuse farmyard Area 0 0 0 0 0 0 0 0 0 0 0 0 0 0
landuse grass Area 0 0 0 0 0 0 0 0 0 0 0 0 0 0
landuse greenfield Area 0 0 0 0 0 0 0 0 0 0 0 0 0 0
landuse recreation_ground Area 0 0 0 0 0 0 0 0 0 0
landuse vineyard Area 0 0 0 0 0 0 0 0 0 0
landuse forest Area 0 0 0 0 0 0 0 0 0 0 0 0 0 0
landuse industrial Area 0 0 0 0 0 0 0 0 0 0
landuse meadow Area 0 0 0 0 0 0 0 0 0 0 0 0 0 0
landuse quarry Area 0 0 0 0 0 0 0 0 0 0
landuse residential Area 0 0 0 0 0 0 0 0 0 0 0 0 0 0
landuse retail Area 0 0 0 0 0 0 0 0 0 0
landuse village_green Area 0 0 0 0 0 0 0 0 0 0
landuse wood Area 0 0 0 0 0 0 0 0 0 0 0 0 0 0
landuse railway Area 0 0 0 0 0 0
landuse construction Area 0 0 0 0 0
landuse landfill Area 0 0 0 0 0
landuse brownfield Area 0 0 0 0 0
Leisure
leisure park Area 0 0 0 0 0 0 0 0 0 0 0
leisure water_park Area 0 0 0 0
Waterway
waterway riverbank Area 0 0 0 0 0 0 0 0
waterway river Way 10 15 22,5 33,75 50,625 75,9375 113,90625 170,859375
waterway canal Way 15 22,5 33,75 50,625 75,9375 113,90625 170,859375
waterway stream Way 5 7,5 11,25 16,875
Place
place island Area 0 0 0 0 0 0 0
Aeroway
aeroway taxiway Area 18,5 18,5 18,5 18,5 18,5
aeroway runway Area 30 30 30 30 30 30
Highway
highway motorway Way 14,25 14,25 21,375 32,0625 48,09375 72,140625 108,2109375 162,3164063 243,4746094
highway motorway_link Way 6,0375 6,0375 9,05625 13,584375 20,3765625 30,56484375
highway trunk Way 11,25 11,25 16,875 25,3125 37,96875 56,953125 85,4296875 128,1445313 192,2167969
highway trunk_link Way 6,0375 6,0375 9,05625 13,584375 20,3765625 30,56484375
highway primary Way 9,6 9,6 14,4 21,6 32,4
highway primary_link Way 3,9 3,9 5,85 8,775
highway secondary Way 6 6 9 13,5
highway secondary_link Way 3,75 3,75 5,625 8,4375
highway tertiary Way 5,625 5,625 8,4375
highway unclassified Way 4,5 4,5
highway residential Way 5,625 5,625 8,4375
highway living_street Way 4,5 4,5
highway service Way 4,5 4,5
highway track Way 3 4,5
highway pedestrian Way 6 6
highway path Way 3 4,5
highway cycleway Way 2 3
highway footway Way 1,5 2,25
Railway
railway rail Way 3 4,5 6,75 10,125 15,1875

This table is a wiki template with a default description in English. Editable here.