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Null Island is the location at zero degrees latitude and zero degrees longitude ( 0°N 0°E ), i.e., where the prime meridian and the equator intersect. The name is often used in mapping software as a placeholder to help find and correct database entries that have erroneously been assigned the coordinates 0,0.
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.
The history of longitude describes the centuries-long effort by astronomers, cartographers and navigators to discover a means of determining the longitude of any given place on Earth. The measurement of longitude is important to both cartography and navigation. In particular, for safe ocean navigation, knowledge of both latitude and longitude ...
45.1°N 83.85°W. / 45.1; -83.85. image. Great-Lakes.svg. Module:Location map/data/Great Lakes is a location map definition used to overlay markers and labels on an equirectangular projection map of Great Lakes. The markers are placed by latitude and longitude coordinates on the default map or a similar map image.
Location map of Central America. / 12.5; -85. Module:Location map/data/Central America is a location map definition used to overlay markers and labels on an equirectangular projection map of Central America. The markers are placed by latitude and longitude coordinates on the default map or a similar map image.
Geopositioning is the process of determining or estimating the geographic position of an object. [ 1] Geopositioning yields a set of geographic coordinates (such as latitude and longitude) in a given map datum; positions may also be expressed as a bearing and range from a known landmark. In turn, positions can determine a meaningful location ...
Latitude at bottom edge of map, in decimal degrees; left = -77.0886 Longitude at left edge of map, in decimal degrees; right = -76.9902 Longitude at right edge of map, in decimal degrees; Precision. Longitude: from West to East this map definition covers 0.0984 degrees. At an image width of 200 pixels, that is 0.0005 degrees per pixel.
An alternative map image, usually a relief map, which can be displayed via the relief or AlternativeMap parameters; top = 40.8 Latitude at top edge of map, in decimal degrees; bottom = 35.8 Latitude at bottom edge of map, in decimal degrees; left = -96 Longitude at left edge of map, in decimal degrees; right = -88.9 Longitude at right edge of ...