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  1. World Geographic Reference System. The World Geographic Reference System ( GEOREF) is a geocode, a grid-based method of specifying locations on the surface of the Earth. GEOREF is essentially based on the geographic system of latitude and longitude, but using a simpler and more flexible notation. GEOREF was used primarily in aeronautical charts ...

  2. Il Geographic Information System ( GIS) (anche detto sistema informativo geografico o anche sistema informativo territoriale) è un sistema informativo computerizzato che permette l'acquisizione, registrazione, analisi, visualizzazione, restituzione, condivisione e presentazione di informazioni . È quindi un sistema informativo in grado di ...

  3. Swiss coordinate system. The Swiss coordinate system (or Swiss grid) is a geographic coordinate system used in Switzerland and Liechtenstein for maps and surveying by the Swiss Federal Office of Topography ( Swisstopo ). A first coordinate system was introduced in 1903 under the name LV03 ( Landesvermessung 1903, German for “land survey 1903 ...

  4. Prior to the development of the Universal Transverse Mercator coordinate system, several European nations demonstrated the utility of grid-based conformal maps by mapping their territory during the interwar period.

  5. In mathematics, a spherical coordinate system is a coordinate system for three-dimensional space where the position of a given point in space is specified by three numbers, ( r, θ, φ ): the radial distance of the radial line r connecting the point to the fixed point of origin (which is located on a fixed polar axis, or zenith direction axis ...

  6. Geographic coordinate system. Longitude lines are perpendicular to and latitude lines are parallel to the Equator. GCS ( Geographic Coordinate System) ni nthowa yakuyezgera malo pa caru nga ni latitude na longitude. Ndilo ni languro lapachanya chomene, lakale chomene, na lakugwiliskirika ntchito chomene pa vinthu vyakupambanapambana ivyo ...

  7. 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] Each projected coordinate system, such as " Universal Transverse Mercator WGS 84 ...