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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).
ISO 6709, Standard representation of geographic point location by coordinates, is the international standard for representation of latitude, longitude and altitude for geographic point locations. The first edition ( ISO 6709:1983) was developed by ISO/IEC JTC 1 /SC 32. Later the standard was transferred to ISO/TC211, Geographic information ...
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.
Module:Location map/data/USA Washington, D.C. is a location map definition used to overlay markers and labels on an equirectangular projection map of Washington, D.C.. The markers are placed by latitude and longitude coordinates on the default map or a similar map image.
Graticule (cartography) A graticule (from Latin crāticula 'grill/grating'), on a map, is a graphical depiction of a coordinate system as a grid of lines, each line representing a constant coordinate value. [ 1 ] It is thus a form of isoline, and is commonly found on maps of many kinds, at scales from local to global.
Relief map of USA Alaska.png. Map of Alaska (click on map to see larger image) Module:Location map/data/USA Alaska is a location map definition used to overlay markers and labels on an equirectangular projection map of the U.S. state of Alaska. The markers are placed by latitude and longitude coordinates on the default map or a similar map image.
image. China Hong Kong location map.svg. Module:Location map/data/Hong Kong is a location map definition used to overlay markers and labels on an equirectangular projection map of Hong Kong. The markers are placed by latitude and longitude coordinates on the default map or a similar map image.
USA MidwestMap01.png. Map of USA Midwest. Module:Location map/data/USA Midwest is a location map definition used to overlay markers and labels on an equirectangular projection map of USA Midwest. The markers are placed by latitude and longitude coordinates on the default map or a similar map image.