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The Wikimapia layer is a collection of "objects" with a polygonal outline (like buildings, forests, or lakes) and "linear features" (streets, railroads, rivers, ferry). Streets are connected by intersection points to form a street grid. Both kinds of items may have textual descriptions and photos attached to them.
United States. Apple Maps - covers the whole country. Bing Maps – covers the whole country. Google Maps - covers the whole country. Libre Map Project. MapQuest - covers the whole country. The National Map by the United States Geological Survey. Roadtrippers - covers the whole country. TerraServer-USA - covers the whole country.
Wikipedia is written by volunteer editors and hosted by the Wikimedia Foundation, a non-profit organization that also hosts a range of other volunteer projects: Commons. Free media repository. MediaWiki. Wiki software development. Meta-Wiki. Wikimedia project coordination. Wikibooks. Free textbooks and manuals.
World map. A world map is a map of most or all of the surface of Earth. World maps, because of their scale, must deal with the problem of projection. Maps rendered in two dimensions by necessity distort the display of the three-dimensional surface of the Earth. While this is true of any map, these distortions reach extremes in a world map.
2006: WikiMapia is launched; 2009: MapTiler released as open source software for tiling of geographic data for web maps. [28] 2009: Nokia made Ovi Maps free on its smartphones. 2012: Apple Maps, the first vector-tile based mapping app, [29] is launched, replacing Apple's own Google Maps client as the default mapping app for its platforms. [30]
Google Earth is a web and computer program that renders a 3D representation of Earth based primarily on satellite imagery. The program maps the Earth by superimposing satellite images, aerial photography, and GIS data onto a 3D globe, allowing users to see cities and landscapes from various angles. Users can explore the globe by entering ...
OpenStreetMap (abbreviated OSM) is a free, open geographic database updated and maintained by a community of volunteers via open collaboration. Contributors collect data from surveys, trace from aerial photo imagery or satellite imagery, and also import from other freely licensed geodata sources.
Tristan da Cunha (/ ˌ t r ɪ s t ən d ə ˈ k uː n (j) ə /), colloquially Tristan, is a remote group of volcanic islands in the South Atlantic Ocean.It is the most remote inhabited archipelago in the world, lying approximately 2,787 kilometres (1,732 mi) from Cape Town in South Africa, 2,437 kilometres (1,514 mi) from Saint Helena, 3,949 kilometres (2,454 mi) from Mar del Plata [6] in ...