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Location map of Chicago. / 41.88745; -87.6698. Module:Location map/data/United States Chicago is a location map definition used to overlay markers and labels on an equirectangular projection map of Chicago. The markers are placed by latitude and longitude coordinates on the default map or a similar map image.
According to the United States Census Bureau, the City of Chicago has a total area of 606.1 km 2 (234.0 sq mi). 588.3 km 2 (227.1 sq mi) of it is land and 17.8 square kilometres (6.9 sq mi) of it is water. The total area is 2.94% water. The city has been built on relatively flat land, the average height of land is 579 feet (176 m) above sea level.
Module:Location map/data/United States Chicago metropolitan area is a location map definition used to overlay markers and labels on an equirectangular projection map of Chicago metropolitan area. The markers are placed by latitude and longitude coordinates on the default map or a similar map image.
Location map of Downtown Chicago. / 41.88292; -87.62255. Module:Location map/data/United States Chicago Downtown is a location map definition used to overlay markers and labels on an equirectangular projection map of Downtown Chicago. The markers are placed by latitude and longitude coordinates on the default map or a similar map image.
Module:Location map/data/United States Chicago Near North Side is a location map definition used to overlay markers and labels on an equirectangular projection map of Near North Side, Chicago. The markers are placed by latitude and longitude coordinates on the default map or a similar map image.
Module:Location map/data/United States Chicago Central is a location map definition used to overlay markers and labels on an equirectangular projection map of Central Chicago. The markers are placed by latitude and longitude coordinates on the default map or a similar map image.
The reverse conversion is harder: given X-Y-Z can immediately get longitude, but no closed formula for latitude and height exists. See "Geodetic system." Using Bowring's formula in 1976 Survey Review the first iteration gives latitude correct within 10-11 degree as long as the point is within 10,000 meters above or 5,000 meters below the ellipsoid.
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. Since there is no landmass located at these coordinates, it is not an actual island. The name is often used in mapping software as a placeholder to help find and correct database entries that ...