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In July 2010, MapQuest announced [14] [15] plans to become the first major mapping site to embrace open-source mapping data, launching a new site [16] separate from its main site, entirely using data from the OpenStreetMap project. [17] On July 14, 2010, MapQuest launched a simplified user interface and made the site more compact.
EPSG Geodetic Parameter Dataset (also EPSG registry) is a public registry of geodetic datums, spatial reference systems, Earth ellipsoids, coordinate transformations and related units of measurement, originated by a member of the European Petroleum Survey Group (EPSG) in 1985.
Formulas for the Web Mercator are fundamentally the same as for the standard spherical Mercator, but before applying zoom, the "world coordinates" are adjusted such that the upper left corner is (0, 0) and the lower right corner is ( , ): [7] = ⌊ (+) ⌋ = ⌊ ( [ (+)]) ⌋ where is the longitude in radians and is geodetic latitude in radians.
One of its many users is the OpenStreetMap project (OSM), which uses it in combination with an Apache Web Server module (mod_tile) and openstreetmap-carto style to render tiles that make up the OSM default layer. [4] [5] Mapnik is also used by CloudMade, [6] MapQuest, [7] and MapBox. [8]
Tile Map Service or TMS, is a specification for tiled web maps, developed by the Open Source Geospatial Foundation.The definition generally requires a URI structure which attempts to fulfill REST principles.
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Volunteered geographic information (VGI) is the harnessing of tools to create, assemble, and disseminate geographic data provided voluntarily by individuals. [1] [2] VGI is a special case of the larger phenomenon known as user-generated content, [3] and allows people to have a more active role in activities such as urban planning and mapping.
Maps.me is a mobile app for Android, iOS and BlackBerry that provides offline maps using OpenStreetMap data. It was formerly known as MapsWithMe.In November 2014, it was acquired by Mail.Ru Group and became part of its My.com brand.