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  2. Web Mercator projection - Wikipedia

    en.wikipedia.org/wiki/Web_Mercator_projection

    Properties. Web Mercator is a slight variant of the Mercator projection, one used primarily in Web-based mapping programs. It uses the same formulas as the standard Mercator as used for small-scale maps. However, the Web Mercator uses the spherical formulas at all scales whereas large-scale Mercator maps normally use the ellipsoidal form of the ...

  3. Well-known text representation of geometry - Wikipedia

    en.wikipedia.org/wiki/Well-known_text...

    Well-known text ( WKT) is a text markup language for representing vector geometry objects. A binary equivalent, known as well-known binary ( WKB ), is used to transfer and store the same information in a more compact form convenient for computer processing but that is not human-readable. The formats were originally defined by the Open ...

  4. OpenStreetMap - Wikipedia

    en.wikipedia.org/wiki/OpenStreetMap

    OpenStreetMap ( 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 imagery and also import from other freely licensed geodata sources. OpenStreetMap is freely licensed under the Open Database License and as a result ...

  5. Wikipedia : Creating shape maps from OpenStreetMap data

    en.wikipedia.org/wiki/Wikipedia:Creating_shape...

    Part 1: Finding the shape data. Method 1: Wikidata. Method 2: Using the OpenStreetMap website. Method 3: Using the OSM Relation Analyzer. Part 2: If you need to create the shape. Part 3: Embedding the shape into an article. Method 1: Using Wikidata. Method 2: Using Wikimedia Commons.

  6. Overture Maps Foundation - Wikipedia

    en.wikipedia.org/wiki/Overture_Maps_Foundation

    The Overture Maps Foundation is an open data mapping collaboration, launched in mid-December 2022 under the auspices of the Linux Foundation. Its stated mission is "powering current and next-generation map products by creating reliable, easy-to-use, and interoperable open map data." Overture founding members were Amazon, Meta, Microsoft and TomTom.

  7. EPSG Geodetic Parameter Dataset - Wikipedia

    en.wikipedia.org/wiki/EPSG_Geodetic_Parameter...

    e. 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. Each entity is assigned an EPSG code between 1024 and 32767, [1 ...

  8. OpenStreetMap Foundation - Wikipedia

    en.wikipedia.org/wiki/OpenStreetMap_Foundation

    OpenStreetMap Foundation. / 52.55098; -1.81860. The OpenStreetMap Foundation (abbreviated OSMF) is a non-profit foundation whose aim is to support and enable the development of freely-reusable geospatial data. Founded in 2006, it is closely connected with the OpenStreetMap project, although its constitution does not prevent it supporting other ...

  9. OGC GeoSPARQL - Wikipedia

    en.wikipedia.org/wiki/OGC_GeoSPARQL

    OGC GeoSPARQL. GeoSPARQL is a standard for representation and querying of geospatial linked data for the Semantic Web from the Open Geospatial Consortium (OGC). [1] The definition of a small ontology based on well-understood OGC standards is intended to provide a standardized exchange basis for geospatial RDF data which can support both ...