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  2. Point plotting - Wikipedia

    en.wikipedia.org/wiki/Point_plotting

    Using point plotting, one associates an ordered pair of real numbers (x, y) with a point in the plane in a one-to-one manner. As a result, one obtains the 2-dimensional Cartesian coordinate system . To be able to plot points, one needs to first decide on a point in plane which will be called the origin , and a couple of perpendicular lines ...

  3. Geopositioning - Wikipedia

    en.wikipedia.org/wiki/Geopositioning

    Geopositioning yields a set of geographic coordinates (such as latitude and longitude) in a given map datum. Geographic positions may also be expressed indirectly, as a distance in linear referencing or as a bearing and range from a known landmark. In turn, positions can determine a meaningful location, such as a street address.

  4. Wikipedia:Obtaining geographic coordinates - Wikipedia

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

    Map to coordinates: Move a marker on a Google Maps map (map or satellite view) and get Latitude, Longitude for the location. User interface in English language. Mapcoordinates: Map to coordinates: Move a marker on a Google Maps map (map or satellite view) and get Latitude, Longitude and Elevation for the location. User interface in German language.

  5. Wikipedia:Coordinate-referenced map templates - Wikipedia

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

    Then in the sidebar of the TopoZone page change the "Coordinate Format" to "DD.DDD". The decimal coordinates are now displayed above the map. Libre Map Project - As part of The Libre Map Project I've created a database with all the GNIS place names from the USGS. It displays the Latitude and Longitude in decimal format so you don't have to convert.

  6. Map projection - Wikipedia

    en.wikipedia.org/wiki/Map_projection

    A medieval depiction of the Ecumene (1482, Johannes Schnitzer, engraver), constructed after the coordinates in Ptolemy's Geography and using his second map projection. In cartography, a map projection is any of a broad set of transformations employed to represent the curved two-dimensional surface of a globe on a plane.

  7. Equirectangular projection - Wikipedia

    en.wikipedia.org/wiki/Equirectangular_projection

    Equirectangular projection of the world; the standard parallel is the equator (plate carrée projection). Equirectangular projection with Tissot's indicatrix of deformation and with the standard parallels lying on the equator True-colour satellite image of Earth in equirectangular projection Height map of planet Earth at 2km per pixel, including oceanic bathymetry information, normalized as 8 ...

  8. Projected coordinate system - Wikipedia

    en.wikipedia.org/wiki/Projected_coordinate_system

    A projected coordinate system – also called a projected coordinate reference system, planar coordinate system, or grid reference system – is a type of spatial reference system that represents locations on Earth using Cartesian coordinates (x, y) on a planar surface created by a particular map projection. [1]

  9. Wikipedia : WikiProject Geographical coordinates

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

    New features include an improved layout, bookmarkable articles, and plotting geolocated articles near to the user's location on a map. The app is a free download from the App Store." Signpost/2010-11-01 , "One million geocoordinates: Last week, the number of geographical coordinates on the English Wikipedia surpassed one million , in around ...