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v. t. e. A geographic coordinate system ( GCS) is a spherical or geodetic coordinate system for measuring and communicating positions directly on Earth as latitude and longitude. [ 1] It is the simplest, oldest and most widely used of the various spatial reference systems that are in use, and forms the basis for most others.
Geographic coordinate conversion has applications in cartography, surveying, navigation and geographic information systems . In geodesy, geographic coordinate conversion is defined as translation among different coordinate formats or map projections all referenced to the same geodetic datum. [ 1] A geographic coordinate transformation is a ...
Geodetic latitude and geocentric latitude have different definitions. Geodetic latitude is defined as the angle between the equatorial plane and the surface normal at a point on the ellipsoid, whereas geocentric latitude is defined as the angle between the equatorial plane and a radial line connecting the centre of the ellipsoid to a point on the surface (see figure).
For example, Albany, New York is roughly 140 miles north of New York City. Every site on Earth has a unique absolute location, which can be identified with a reference grid (such as latitude and longitude). Maps and globes can be used to find location and can also be used to convey other types of geographical information. Map projections are ...
The steps for adding a geolink can be summarized as follows: Find the coordinates (generally latitude and longitude) of the geographic location you want to link. Select the template with the appropriate scale for the map to zoom into. Add the coordinates to the template using the template's format. Place the template reference into the article.
Decimal degrees ( DD) is a notation for expressing latitude and longitude geographic coordinates as decimal fractions of a degree. DD are used in many geographic information systems (GIS), web mapping applications such as OpenStreetMap, and GPS devices. Decimal degrees are an alternative to using sexagesimal degrees (degrees, minutes, and ...
U.S. - Los Angeles Metropolitan Area location map.svg. Module:Location map/data/USA Los Angeles Metropolitan Area is a location map definition used to overlay markers and labels on an equirectangular projection map of the Los Angeles metropolitan area. The markers are placed by latitude and longitude coordinates on the default map or a similar ...
45.625°N 10.75°E. / 45.625; 10.75. image. Alps location map.png. Map of the Alps. Module:Location map/data/Alps is a location map definition used to overlay markers and labels on an equirectangular projection map of the Alps. The markers are placed by latitude and longitude coordinates on the default map or a similar map image.