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  2. Well-known text representation of coordinate reference ...

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

    Well-known text representation of coordinate reference systems ( WKT or WKT-CRS) is a text markup language for representing spatial reference systems and transformations between spatial reference systems. The formats were originally defined by the Open Geospatial Consortium (OGC) and described in their Simple Feature Access [ 1] and Well-known ...

  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 Geospatial ...

  4. Web Mercator projection - Wikipedia

    en.wikipedia.org/wiki/Web_Mercator_projection

    Web Mercator, Google Web Mercator, Spherical Mercator, WGS 84 Web Mercator[1] or WGS 84/Pseudo-Mercator is a variant of the Mercator map projection and is the de facto standard for Web mapping applications. It rose to prominence when Google Maps adopted it in 2005. [2] It is used by virtually all major online map providers, including Google ...

  5. Wikipedia : Creating shape maps from OpenStreetMap data

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

    Click 'Edit' by the website banner. Now you should see the 'Add Feature' options at the top, with buttons for 'Point', 'Line', and 'Area'. Click 'Area'. You can now start to form a shape, clicking on each corner, adjusting the edges of the shape as needed. You can press 'Escape' on your keyboard to finish the shape.

  6. 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 ...

  7. EPSG Geodetic Parameter Dataset - Wikipedia

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

    Geodesy. 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 ...

  8. Playworld - Wikipedia

    en.wikipedia.org/wiki/Playworld

    History. Playworld began in 1952 as QE Manufacturing Company, which made parts for heavy machinery. [ 2] The company expanded its operations to playground equipment seven years later in 1959. [ 3] In 1971, Playworld Systems became its own company. [ 4] In January 1999, Playworld Systems moved to its current corporate headquarters in Lewisburg.

  9. Empower Playgrounds - Wikipedia

    en.wikipedia.org/wiki/Empower_playgrounds

    empowerplaygrounds .org. Empower Playgrounds, Inc. is a U.S.-based 501 (c) (3) public charity that has developed electricity-generating playground equipment for use in rural third-world communities with low rates of rural electrification. [1] The charity works in predominantly subsistence agriculture communities, where children often work on ...

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